Merge branch 'master' of github.com:ehlxr/budd

Bump mybatis from 3.2.7 to 3.5.6

.gitignore

@@ -7,9 +7,10 @@
 target
 *.project
 *.classpath
-/.settings
+**/.settings
 /bin
 /useful-code.iml
 /.idea
 /resources/debug.log
-*.iml
+*.iml
+budd-common/.settings

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright © 2020 xrv <xrg@live.com>
+Copyright © 2022 xrv <xrv@live.com>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -6,3 +6,7 @@
 [![](https://badgen.net/github/releases/ehlxr/budd)](https://github.com/ehlxr/budd/releases)
 
 常用的一些 Java 代码
+
+## Thanks to the following organizations for providing open source licenses
+
+[<img src="https://github.com/ehlxr/budd/blob/master/jetbrains.svg" width = "200" height = "217" alt="jetbrains" align=center />](https://jb.gg/OpenSource)

budd-common/pom.xml

@@ -0,0 +1,55 @@
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>io.github.ehlxr</groupId>
+        <artifactId>budd</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+    <artifactId>budd-common</artifactId>
+    <name>budd-common</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-redis</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-annotations</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.squareup.okhttp3</groupId>
+            <artifactId>okhttp</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+        </dependency>
+    </dependencies>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>9</source>
+                    <target>9</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>

budd-common/src/main/java/io/github/ehlxr/algorithm/FindKthLargest.java

@@ -0,0 +1,123 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2020 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.algorithm;
+
+/**
+ * @author ehlxr
+ * @since 2021-12-28 23:16.
+ */
+public class FindKthLargest {
+    public static void main(String[] args) {
+        int[] nums = new int[]{3, 2, 1, 5, 6, 4};
+        System.out.println(findKthLargest(nums, 2));
+    }
+
+    public static int findKthLargest2(int[] nums, int k) {
+        for (int i = nums.length / 2 - 1; i >= 0; i--) {
+            // 从第一个非叶子结点从下至上，从右至左调整结构
+            adjustHeap(nums, i, nums.length);
+        }
+
+        for (int j = nums.length - 1; j >= 0; j--) {
+            k--;
+
+            if (k == 0) {
+                return nums[0];
+            }
+
+            swap(nums, 0, j);
+            adjustHeap(nums, 0, j);
+        }
+
+        return 0;
+    }
+
+    public static void adjustHeap(int[] arr, int i, int length) {
+        // 先取出当前元素 i
+        int temp = arr[i];
+        // 从 i 结点的左子结点开始，也就是 2i+1 处开始
+        for (int k = i * 2 + 1; k < length; k = k * 2 + 1) {
+            // 如果左子结点小于右子结点，k 指向右子结点
+            if (k + 1 < length && arr[k] < arr[k + 1]) {
+                k++;
+            }
+            // 如果子节点大于父节点，将子节点和父节点交换
+            // if (arr[k] > arr[i]) {
+            // swap(arr, k, i);
+            if (arr[k] > temp) {
+                // 不用进行交换
+                arr[i] = arr[k];
+
+                i = k;
+            } else {
+                break;
+            }
+        }
+
+        // 将 temp 值放到最终的位置
+        arr[i] = temp;
+    }
+
+
+    public static int findKthLargest(int[] nums, int k) {
+        if (nums == null || nums.length < k) {
+            return -1;
+        }
+
+        int q = partition(nums, 0, nums.length - 1);
+        while (q + 1 != k) {
+            if (k < q + 1) {
+                q = partition(nums, 0, q - 1);
+            } else {
+                q = partition(nums, q + 1, nums.length - 1);
+            }
+        }
+
+        return nums[q];
+    }
+
+
+    public static int partition(int[] a, int p, int r) {
+        int pivot = a[r];
+        int i = p;
+        for (int j = p; j < r; j++) {
+            if (a[j] >= pivot) {
+                swap(a, i++, j);
+            }
+        }
+
+        swap(a, i, r);
+        return i;
+    }
+
+    private static void swap(int[] a, int i, int j) {
+        if (i == j) {
+            return;
+        }
+        int temp = a[i];
+        a[i] = a[j];
+        a[j] = temp;
+    }
+}

budd-common/src/main/java/io/github/ehlxr/algorithm/MinWindow.java

@@ -0,0 +1,86 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2022 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.algorithm;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author ehlxr
+ * @since 2022-04-29 11:07.
+ */
+public class MinWindow {
+    public static void main(String[] args) {
+        System.out.println(minWindow("cabwefgewcwaefgcf", "cae"));
+        System.out.println(minWindow("bba", "ab"));
+        System.out.println(minWindow("ADOBECODEBANC", "ABC"));
+        System.out.println(minWindow("a", "a"));
+        System.out.println(minWindow("a", "b"));
+        System.out.println(minWindow("", "a"));
+        System.out.println(minWindow("", ""));
+        System.out.println(minWindow("a", "aa"));
+        System.out.println(minWindow("aa", "a"));
+    }
+
+    public static String minWindow(String s, String t) {
+        Map<Character, Integer> windows = new HashMap<>();
+        Map<Character, Integer> needs = new HashMap<>();
+        for (int i = 0; i < t.length(); i++) {
+            needs.put(t.charAt(i), needs.getOrDefault(t.charAt(i), 0) + 1);
+        }
+
+        int left = 0, right = 0, valid = 0, start = -1, len = Integer.MAX_VALUE;
+        while (right < s.length()) {
+            char r = s.charAt(right);
+
+            if (needs.containsKey(r)) {
+                windows.put(r, windows.getOrDefault(r, 0) + 1);
+                if (windows.get(r).equals(needs.get(r))) {
+                    valid++;
+                }
+            }
+            right++;
+
+            while (valid == needs.size()) {
+                if (right - left < len) {
+                    len = right - left;
+                    start = left;
+                }
+
+                char l = s.charAt(left);
+                left++;
+
+                if (windows.containsKey(l)) {
+                    if (windows.get(l).equals(needs.get(l))) {
+                        valid--;
+                    }
+                    windows.put(l, windows.get(l) - 1);
+                }
+            }
+        }
+
+        return start > -1 ? s.substring(start, start + len) : "";
+    }
+}

budd-common/src/main/java/io/github/ehlxr/algorithm/Permutation.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2022 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,45 +22,49 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.proxy;
+package io.github.ehlxr.algorithm;
 
-import java.lang.reflect.Proxy;
+import java.util.ArrayList;
+import java.util.List;
 
 /**
+ * 全排列
+ *
  * @author ehlxr
- * @since 2019-06-28.
+ * @since 2022-04-20 16:42.
  */
-public class Main {
+public class Permutation {
+    static List<List<Integer>> res = new ArrayList<>();
+
     public static void main(String[] args) {
-        Flyable proxy = (Flyable) Proxy.newProxyInstance(Flyable.class.getClassLoader(),
-                new Class[]{Flyable.class}, new MyInvocationHandler(new Bird()));
-
-        // 动态代理会生成类似以下的 Java 代码
-        /*
-        package me.ehlxr.proxy;
-
-        import java.lang.reflect.InvocationHandler;
-        import java.lang.reflect.Method;
-
-        public class Proxy implements Flyable {
-            private InvocationHandler handler;
-
-            public Proxy(InvocationHandler handler) {
-                this.handler = handler;
-            }
-
-            @Override
-            public void fly() {
-                try {
-                    Method method = Flyable.class.getMethod("fly");
-                    this.handler.invoke(this, method, null);
-                } catch (Throwable e) {
-                    e.printStackTrace();
-                }
+        int[] arr = {1, 2, 3};
+        for (List<Integer> r : permute(arr)) {
+            for (int i : r) {
+                System.out.print(i + " ");
             }
+            System.out.println();
         }
-         */
+    }
 
-        proxy.fly();
+    public static List<List<Integer>> permute(int[] nums) {
+        List<Integer> track = new ArrayList<>();
+        backtrack(nums, track);
+        return res;
+    }
+
+    public static void backtrack(int[] nums, List<Integer> track) {
+        // 回溯结束条件
+        if (track.size() == nums.length) {
+            res.add(new ArrayList<>(track));
+            return;
+        }
+        for (int num : nums) {
+            if (track.contains(num)) {
+                continue;
+            }
+            track.add(num);
+            backtrack(nums, track);
+            track.remove(track.size() - 1);
+        }
     }
 }

budd-common/src/main/java/io/github/ehlxr/algorithm/binarytree/heap/Heap.java

@@ -0,0 +1,106 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2020 xrv <xrg@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.algorithm.binarytree.heap;
+
+import java.util.Arrays;
+
+/**
+ * @author ehlxr
+ * @since 2022-03-15 07:40.
+ */
+public class Heap {
+    private static void createHeap(int[] a) {
+        int n = a.length - 1; // 最后一个叶子节点下标
+        buildHeap(a, n);
+    }
+
+    private static void buildHeap(int[] a, int n) {
+        // (n - 1) / 2 表示最后一个叶子节点父节点，即为最后一个非叶子节点
+        for (int i = (n - 1) / 2; i >= 0; --i) {
+            heapify(a, n, i);
+        }
+    }
+
+    /**
+     * 堆化
+     *
+     * @param a 数组
+     * @param n 最后一个元素下标
+     * @param i 需要调整的父节点下标
+     */
+    private static void heapify(int[] a, int n, int i) {
+        while (true) {
+            int max = i;
+
+            // 从当前节点和左右叶子节点中找出最大的
+            int l = 2 * i + 1;
+            if (l <= n && a[l] > a[max]) {
+                max = l;
+            }
+
+            int r = 2 * i + 2;
+            if (r <= n && a[r] > a[max]) {
+                max = r;
+            }
+
+            // 当前节点最大时退出
+            if (max == i) {
+                break;
+            }
+
+            swap(a, i, max);
+
+            // 最大节点和当前节点交换后，继续以当前节点为父节点堆化
+            i = max;
+        }
+    }
+
+    /**
+     * 堆排序
+     */
+    private static void sort(int[] a) {
+        for (int i = a.length - 1; i > 0; i--) {
+            buildHeap(a, i);
+            // 堆顶元素和最后一个元素交换，除过最后一个元素外其它元素再次构建大顶堆
+            swap(a, 0, i);
+        }
+    }
+
+    public static void main(String[] args) {
+        int[] arr = new int[]{1, 2, 3, 4, 5, 6};
+        createHeap(arr);
+        System.out.println(Arrays.toString(arr));
+
+        sort(arr);
+        System.out.println(Arrays.toString(arr));
+
+    }
+
+    private static void swap(int[] arr, int i, int j) {
+        int tmp = arr[i];
+        arr[i] = arr[j];
+        arr[j] = tmp;
+    }
+}

budd-common/src/main/java/io/github/ehlxr/algorithm/dp/FindMaxSum.java

@@ -0,0 +1,65 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2020 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.algorithm.dp;
+
+/**
+ * 在一个数组 arr 中，找出一组不相邻的数字，使得最后的和最大
+ * <p>
+ * 图解 https://cdn.jsdelivr.net/gh/0vo/oss/images/dp.jpg
+ *
+ * @author ehlxr
+ * @since 2021-10-31 22:46.
+ */
+public class FindMaxSum {
+    public static int recOpt(int[] arr, int i) {
+        if (i == 0) {
+            return arr[0];
+        } else if (i == 1) {
+            return Math.max(arr[0], arr[1]);
+        } else {
+            int a = recOpt(arr, i - 2) + arr[i];
+            int b = recOpt(arr, i - 1);
+            return Math.max(a, b);
+        }
+    }
+
+    public static int dpOpt(int[] arr) {
+        int[] opt = new int[arr.length];
+        opt[0] = arr[0];
+        opt[1] = Math.max(arr[0], arr[1]);
+        for (int i = 2; i < opt.length; i++) {
+            int a = opt[i - 2] + arr[i];
+            int b = opt[i - 1];
+            opt[i] = Math.max(a, b);
+        }
+        return opt[arr.length - 1];
+    }
+
+    public static void main(String[] args) {
+        int[] arr = {4, 1, 1, 9, 1};
+        System.out.println(dpOpt(arr));
+        System.out.println(recOpt(arr, arr.length - 1));
+    }
+}

budd-common/src/main/java/io/github/ehlxr/algorithm/dp/KnapSack.java

@@ -0,0 +1,126 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2022 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.algorithm.dp;
+
+/**
+ * 对于一组不同重量、不同价值、不可分割的物品，我们选择将某些物品装入背包，在满足背包最大重量限制的前提下，背包中可装入物品的总价值最大是多少呢？
+ *
+ * @author ehlxr
+ * @since 2022-03-05 14:31.
+ */
+public class KnapSack {
+    private final int[] weight = {2, 2, 4, 6, 3};  // 物品的重量
+    private final int[] value = {3, 4, 8, 9, 6}; // 物品的价值
+    private final int n = 5; // 物品个数
+    private final int w = 9; // 背包承受的最大重量
+    private int maxV = Integer.MIN_VALUE; // 结果放到 maxV 中
+
+    public static void main(String[] args) {
+        System.out.println(knapsack3(new int[]{2, 2, 4, 6, 3}, new int[]{3, 4, 8, 9, 6}, 5, 9));
+        // System.out.println(knapsack(new int[]{2, 2, 4, 6, 3}, new int[]{3, 4, 8, 9, 6}, 5, 9));
+    }
+
+    /**
+     * 动态规划方式
+     *
+     * @param weight 物品重量
+     * @param value  物品的价值
+     * @param n      物品个数
+     * @param w      背包可承载重量
+     * @return 最大价值
+     */
+    // public static int knapsack(int[] weight, int[] value, int n, int w) {
+    //     int[][] dp = new int[][];
+    // }
+
+    /**
+     * 动态规划方式
+     *
+     * @param weight 物品重量
+     * @param value  物品的价值
+     * @param n      物品个数
+     * @param w      背包可承载重量
+     * @return 最大价值
+     */
+    public static int knapsack3(int[] weight, int[] value, int n, int w) {
+        int[][] states = new int[n][w + 1];
+        for (int i = 0; i < n; ++i) { // 初始化 states,默认 -1
+            for (int j = 0; j < w + 1; ++j) {
+                states[i][j] = -1;
+            }
+        }
+        states[0][0] = 0;
+        if (weight[0] <= w) {
+            states[0][weight[0]] = value[0];
+        }
+        for (int i = 1; i < n; ++i) { // 动态规划,状态转移
+            for (int j = 0; j <= w; ++j) { // 不选择第 i 个物品
+                if (states[i - 1][j] >= 0) {
+                    // 复制上一层状态
+                    states[i][j] = states[i - 1][j];
+                }
+            }
+            // 下面的 j 表示重量
+            for (int j = 0; j <= w - weight[i]; ++j) { // 选择第 i 个物品
+                if (states[i - 1][j] >= 0) { // 表示上一层存在重量为 j 的状态
+                    int v = states[i - 1][j] + value[i]; // 上一层重量为 j 的价值 + i 物品的价值
+                    if (v > states[i][j + weight[i]]) { // states[i][j + weight[i]]：存储当前重量 j + 物品 i 的重量所在位置的价值
+                        states[i][j + weight[i]] = v;
+                    }
+                }
+            }
+        }
+        // 找出最大值
+        int maxvalue = -1;
+        for (int j = 0; j <= w; ++j) {
+            if (states[n - 1][j] > maxvalue) {
+                maxvalue = states[n - 1][j];
+            }
+        }
+        return maxvalue;
+    }
+
+    /**
+     * 回溯方式
+     *
+     * @param i  第几个物品
+     * @param cw 物品的重量
+     * @param cv 物品的价值
+     */
+    public void f(int i, int cw, int cv) { // 调用 f (0, 0, 0)
+        if (cw == w || i == n) { //cw==w 表示装满了,i==n 表示物品都考察完了
+            if (cv > maxV) {
+                maxV = cv;
+            }
+            return;
+        }
+        f(i + 1, cw, cv); // 选择不装第 i 个物品
+        if (cw + weight[i] <= w) {
+            f(i + 1, cw + weight[i], cv + value[i]); // 选择装第 i 个物品
+        }
+    }
+
+
+}

budd-common/src/main/java/io/github/ehlxr/algorithm/dp/MinDist.java

@@ -0,0 +1,107 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2022 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.algorithm.dp;
+
+/**
+ * 假设我们有一个 n 乘以 n 的矩阵 w [n][n]。矩阵存储的都是正整数。棋子起始位置在左上角，终止位置在右下角。
+ * 我们将棋子从左上角移动到右下角。每次只能向右或者向下移动一位。从左上角到右下角，会有很多不同的路径可以走。
+ * 我们把每条路径经过的数字加起来看作路径的长度。那从左上角移动到右下角的最短路径长度是多少呢？
+ *
+ * @author ehlxr
+ * @since 2022-03-05 16:46.
+ */
+public class MinDist {
+
+    private final int[][] matrix = {{1, 3, 5, 9}, {2, 1, 3, 4}, {5, 2, 6, 7}, {6, 8, 4, 3}};
+    private final int[][] mem = new int[4][4];
+    private int minDist = Integer.MAX_VALUE; // 全局变量或者成员变量
+
+    /**
+     * 动态规划：状态转移表法
+     */
+    public int minDistDP(int[][] matrix, int n) {
+        int[][] states = new int[n][n];
+        int sum = 0;
+        for (int j = 0; j < n; ++j) { // 初始化states的第一行数据
+            sum += matrix[0][j];
+            states[0][j] = sum;
+        }
+        sum = 0;
+        for (int i = 0; i < n; ++i) { // 初始化states的第一列数据
+            sum += matrix[i][0];
+            states[i][0] = sum;
+        }
+        for (int i = 1; i < n; ++i) {
+            for (int j = 1; j < n; ++j) {
+                states[i][j] = matrix[i][j] + Math.min(states[i][j - 1], states[i - 1][j]);
+            }
+        }
+        return states[n - 1][n - 1];
+    }
+
+    /**
+     * 动态规划：状态转移方程法
+     */
+    public int minDist(int i, int j) { // 调用minDist(n-1, n-1);
+        if (i == 0 && j == 0) {
+            return matrix[0][0];
+        }
+        // 备忘录，如果计算过，即有数字存在，则直接返回
+        if (mem[i][j] > 0) {
+            return mem[i][j];
+        }
+        int minLeft = Integer.MAX_VALUE;
+        if (j - 1 >= 0) {
+            minLeft = minDist(i, j - 1);
+        }
+        int minUp = Integer.MAX_VALUE;
+        if (i - 1 >= 0) {
+            minUp = minDist(i - 1, j);
+        }
+
+        int currMinDist = matrix[i][j] + Math.min(minLeft, minUp);
+        mem[i][j] = currMinDist;
+        return currMinDist;
+    }
+
+    /**
+     * 回溯方式
+     */
+    public void minDistBacktracing(int i, int j, int dist, int[][] w, int n) {
+        // 到达了n-1, n-1这个位置了，这里看着有点奇怪哈，你自己举个例子看下
+        if (i == n && j == n) {
+            if (dist < minDist) {
+                minDist = dist;
+            }
+            return;
+        }
+        if (i < n) { // 往下走，更新i=i+1, j=j
+            minDistBacktracing(i + 1, j, dist + w[i][j], w, n);
+        }
+        if (j < n) { // 往右走，更新i=i, j=j+1
+            minDistBacktracing(i, j + 1, dist + w[i][j], w, n);
+        }
+    }
+}

budd-common/src/main/java/io/github/ehlxr/algorithm/linkedlist/FindKthFromEnd.java

@@ -0,0 +1,79 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2022 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.algorithm.linkedlist;
+
+/**
+ * @author ehlxr
+ * @since 2022-05-01 14:18.
+ */
+public class FindKthFromEnd {
+    public static void main(String[] args) {
+        ListNode head = new ListNode(1);
+        head.next = new ListNode(2);
+        head.next.next = new ListNode(3);
+        head.next.next.next = new ListNode(4);
+        head.next.next.next.next = new ListNode(5);
+        head.next.next.next.next.next = new ListNode(6);
+
+        System.out.println(head);
+
+        System.out.println(findKthFromEnd(head, 1));
+        System.out.println(findKthFromEnd2(head, 1));
+    }
+
+    public static ListNode findKthFromEnd(ListNode head, int k) {
+        int n = 0;
+        ListNode node = head;
+        ListNode p = null;
+        while (node != null) {
+            if (p != null) {
+                p = p.next;
+            }
+
+            n++;
+            if (n == k) {
+                p = head;
+            }
+
+            node = node.next;
+        }
+        return p;
+    }
+
+    public static ListNode findKthFromEnd2(ListNode head, int k) {
+        ListNode p = head;
+        ListNode q = head;
+        for (int i = 0; i < k; i++) {
+            q = q.next;
+        }
+        while (q != null) {
+            p = p.next;
+            q = q.next;
+        }
+        return p;
+    }
+
+
+}

budd-common/src/main/java/io/github/ehlxr/algorithm/linkedlist/Leecode21.java

@@ -0,0 +1,105 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2020 xrv <xrg@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.algorithm.linkedlist;
+
+/**
+ * @author ehlxr
+ * @since 2022-04-15 08:41.
+ */
+public class Leecode21 {
+    public static void main(String[] args) {
+        ListNode list1 = new ListNode(1);
+        ListNode list2 = new ListNode(2);
+        ListNode list3 = new ListNode(4);
+        list1.next = list2;
+        list2.next = list3;
+        ListNode list4 = new ListNode(1);
+        ListNode list5 = new ListNode(3);
+        ListNode list6 = new ListNode(4);
+        list4.next = list5;
+        list5.next = list6;
+        ListNode list7 = mergeTwoLists(list1, list4);
+        while (list7 != null) {
+            System.out.println(list7.val);
+            list7 = list7.next;
+        }
+    }
+
+    public static ListNode mergeTwoLists(ListNode list1, ListNode list2) {
+        ListNode res = new ListNode();
+        ListNode tmp = res;
+
+        while (list1 != null || list2 != null) {
+            if (list1 == null) {
+                tmp.next = list2;
+                break;
+            }
+            if (list2 == null) {
+                tmp.next = list1;
+                break;
+            }
+            if (list1.val < list2.val) {
+                tmp.next = list1;
+                list1 = list1.next;
+            } else {
+                tmp.next = list2;
+                list2 = list2.next;
+            }
+            tmp = tmp.next;
+        }
+
+        return res.next;
+    }
+
+    public static ListNode  mergeTwoLists2(ListNode l1, ListNode l2) {
+        // 虚拟头结点
+        ListNode dummy = new ListNode(-1), p = dummy;
+        ListNode p1 = l1, p2 = l2;
+
+        while (p1 != null && p2 != null) {
+            // 比较 p1 和 p2 两个指针
+            // 将值较小的的节点接到 p 指针
+            if (p1.val > p2.val) {
+                p.next = p2;
+                p2 = p2.next;
+            } else {
+                p.next = p1;
+                p1 = p1.next;
+            }
+            // p 指针不断前进
+            p = p.next;
+        }
+
+        if (p1 != null) {
+            p.next = p1;
+        }
+
+        if (p2 != null) {
+            p.next = p2;
+        }
+
+        return dummy.next;
+    }
+}

budd-common/src/main/java/io/github/ehlxr/algorithm/linkedlist/ListNode.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2022 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,13 +22,11 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.leetcode;
+package io.github.ehlxr.algorithm.linkedlist;
 
 /**
- * 链表结构
- *
  * @author ehlxr
- * @since 2021-02-27 21:09.
+ * @since 2022-12-04 22:25.
  */
 public class ListNode {
     int val;
@@ -53,4 +51,4 @@ public class ListNode {
                 ", next=" + next +
                 '}';
     }
-}
+}

budd-common/src/main/java/io/github/ehlxr/algorithm/linkedlist/Palindrome.java

@@ -0,0 +1,91 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2022 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.algorithm.linkedlist;
+
+/**
+ * 判断单链表是否是回文
+ *
+ * @author ehlxr
+ * @since 2022-12-03 23:11.
+ */
+public class Palindrome {
+    public static void main(String[] args) {
+        ListNode head = new ListNode(1);
+        head.next = new ListNode(2);
+        head.next.next = new ListNode(3);
+        head.next.next.next = new ListNode(2);
+        head.next.next.next.next = new ListNode(1);
+        System.out.println(head);
+        System.out.println(isPalindrome(head));
+
+        head = new ListNode(1);
+        head.next = new ListNode(2);
+        head.next.next = new ListNode(3);
+        head.next.next.next = new ListNode(3);
+        head.next.next.next.next = new ListNode(2);
+        head.next.next.next.next.next = new ListNode(1);
+        System.out.println(head);
+        System.out.println(isPalindrome(head));
+
+    }
+
+    /**
+     * slow, fast 双指针，slow 前进一步，fast 前进两步，当 fast 到达链表尾部时，slow 处于链表中间
+     * 与此同时反转链表前半部分（head 到中间节点部分）
+     */
+    public static boolean isPalindrome(ListNode head) {
+        if (head == null) {
+            return false;
+        }
+
+        ListNode slow = head, fast = head, pre = null;
+        while (fast != null && fast.next != null) {
+            fast = fast.next.next;
+
+            ListNode tmp = slow.next;
+            slow.next = pre;
+            pre = slow;
+            slow = tmp;
+            // slow = slow.next;
+        }
+        if (fast != null) {
+            // 节点个数为奇数
+            slow = slow.next;
+        }
+        System.out.println("中间节点：" + slow);
+        System.out.println("中位点反转：" + pre);
+
+        while (pre != null) {
+            if (pre.val != slow.val) {
+                return false;
+            }
+            pre = pre.next;
+            slow = slow.next;
+        }
+
+        return true;
+    }
+
+}

budd-common/src/main/java/io/github/ehlxr/algorithm/linkedlist/ReverseKGroup.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2022 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,42 +22,47 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.leetcode;
-
-import java.util.Arrays;
-import java.util.PriorityQueue;
+package io.github.ehlxr.algorithm.linkedlist;
 
 /**
  * @author ehlxr
- * @since 2020-10-20 17:54.
+ * @since 2022-05-03 14:26.
  */
-public class Solution5 {
-
-    public int findKthLargest(int[] nums, int k) {
-        PriorityQueue<Integer> queue = new PriorityQueue<>();
-        for (int val : nums) {
-            queue.add(val);
-            if (queue.size() > k) {
-                queue.poll();
-            }
-        }
-        return queue.peek();
-    }
-
+public class ReverseKGroup {
     public static void main(String[] args) {
-        int[] arr = {4, 6, 8, 5, 9};
-        // PriorityQueue<Integer> queue = new PriorityQueue<>();
-        // for (int val : arr) {
-        //     queue.add(val);
-        // }
-        // System.out.println(Arrays.toString(queue.toArray()));
-        //
-        //
-        // arr = new int[]{4, 6, 8, 5, 9};
-        PriorityQueue<Integer> maxHeap = new PriorityQueue<>(arr.length, (o1, o2) -> o2 - o1);
-        for (int val : arr) {
-            maxHeap.add(val);
-        }
-        System.out.println(Arrays.toString(maxHeap.toArray()));
+        ListNode head = new ListNode(1);
+        head.next = new ListNode(2);
+        head.next.next = new ListNode(3);
+        head.next.next.next = new ListNode(4);
+        head.next.next.next.next = new ListNode(5);
+        System.out.println(head);
+        System.out.println(reverseKGroup(head, 2));
     }
+
+    public static ListNode reverseKGroup(ListNode head, int k) {
+        ListNode p = head;
+        for (int i = 0; i < k; i++) {
+            if (p == null) {
+                return head;
+            }
+            p = p.next;
+        }
+
+        ListNode r = reverseN(head, p);
+        head.next = reverseKGroup(p, k);
+
+        return r;
+    }
+
+    public static ListNode reverseN(ListNode head, ListNode n) {
+        ListNode cur = head, pre = null;
+        while (cur != n) {
+            ListNode next = cur.next;
+            cur.next = pre;
+            pre = cur;
+            cur = next;
+        }
+        return pre;
+    }
+
 }

budd-common/src/main/java/io/github/ehlxr/algorithm/linkedlist/ReverseLinkedList.java

@@ -0,0 +1,101 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2022 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.algorithm.linkedlist;
+
+/**
+ * 反转单链表
+ *
+ * @author ehlxr
+ * @since 2022-03-14 07:05.
+ */
+public class ReverseLinkedList {
+    public static void main(String[] args) {
+        ListNode ListNode5 = new ListNode(5, null);
+        ListNode ListNode4 = new ListNode(4, ListNode5);
+        ListNode ListNode3 = new ListNode(3, ListNode4);
+        ListNode ListNode2 = new ListNode(2, ListNode3);
+        ListNode head = new ListNode(1, ListNode2);
+
+        // ListNode reverse = reverse(root);
+        // reverse.print();
+
+        // System.out.println(reverseToN(head, ListNode3));
+        // System.out.println(reverseToN(head, 2));
+        System.out.println(reverseFm2N(head, 2, 4));
+
+    }
+
+    public static ListNode reverseToN(ListNode root, ListNode n) {
+        ListNode pre = null, cur = root, tmp = root;
+        while (cur != n) {
+            tmp = cur.next;
+
+            cur.next = pre;
+            pre = cur;
+            cur = tmp;
+        }
+
+        return pre;
+
+    }
+
+    static ListNode next = null;
+
+    public static ListNode reverseToN(ListNode root, int n) {
+        if (n == 1) {
+            next = root.next;
+            return root;
+        }
+
+        ListNode h = reverseToN(root.next, n - 1);
+        root.next.next = root;
+        root.next = next;
+        return h;
+    }
+
+    public static ListNode reverseFm2N(ListNode root, int m, int n) {
+        if (m == 1) {
+            return reverseToN(root, n);
+        }
+        root.next = reverseFm2N(root.next, m - 1, n - 1);
+        return root;
+    }
+
+    public static ListNode reverse(ListNode root) {
+
+        ListNode pre = null;
+        ListNode cur = root;
+        while (cur != null) {
+            ListNode tmp = cur.next;
+
+            cur.next = pre;
+            pre = cur;
+            cur = tmp;
+            // tmp = cur.next;
+        }
+
+        return pre;
+    }
+}

budd-common/src/main/java/io/github/ehlxr/algorithm/match/BruteForce.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2020 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,33 +22,45 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.test;
-
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
+package io.github.ehlxr.algorithm.match;
 
 /**
+ * 字符串匹配：暴力匹配
+ *
  * @author ehlxr
- * @date 2016/12/22
+ * @since 2022-03-12 13:36.
  */
-//@SuppressWarnings({"AlibabaRemoveCommentedCode", "Convert2Lambda", "UnnecessaryLocalVariable"})
-public class ThreadPoolExecutorTest {
+public class BruteForce {
     public static void main(String[] args) {
-        ExecutorService cachedThreadPool = Executors.newCachedThreadPool();
-        for (int i = 0; i < 10; i++) {
-            final int index = i;
-            //try {
-            //    Thread.sleep(index * 1000);
-            //} catch (InterruptedException e) {
-            //    e.printStackTrace();
-            //}
-            cachedThreadPool.execute(new Runnable() {
-                @Override
-                public void run() {
-                    //System.out.println(index);
-                    System.out.println("Thread: " + Thread.currentThread().getName());
+        String s = "abdcfhjudfadf";
+        String p = "dcf";
+
+        System.out.println(bf(s, p));
+    }
+
+    public static int bf(String s, String p) {
+        int m = s.length();
+        int n = p.length();
+
+        for (int i = 0; i <= m - n; i++) {
+            int j = 0;
+            for (; j < n; j++) {
+                // if (s.charAt(i) == p.charAt(j)) {
+                //     i++;
+                // } else {
+                //     break;
+                // }
+                // 如果主串与模式串不匹配，则主串向右移动一个字符,模式串从头开始匹配
+                if (s.charAt(i + j) != p.charAt(j)) {
+                    break;
                 }
-            });
+            }
+            if (j == n) {
+                // return i - n;
+                return i;
+            }
         }
+
+        return -1;
     }
 }

budd-common/src/main/java/io/github/ehlxr/algorithm/match/Kmp.java

@@ -0,0 +1,123 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2022 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.algorithm.match;
+
+import java.util.Arrays;
+
+/**
+ * 字符串匹配算法 KPM
+ *
+ * @author ehlxr
+ * @since 2022-03-13 10:06.
+ */
+public class Kmp {
+    public static void main(String[] args) {
+        String s = "bacbababaabcbab";
+        String p = "abab";
+
+        System.out.println(Arrays.toString(getNexts(p)));
+        System.out.println(kmp(s, p));
+    }
+
+    public static int kmp(String s, String p) {
+        char[] scs = s.toCharArray();
+        char[] pcs = p.toCharArray();
+
+        int m = s.length();
+        int n = p.length();
+
+        int[] next = getNexts(p);
+
+        for (int i = 0; i <= m - n; i++) {
+            int j = 0;
+            // while (j < n) {
+            //     if (scs[i] == pcs[j]) {
+            //         i++;
+            //         j++;
+            //     } else {
+            //         // 当模式串与主串不匹配时，如果**不匹配字符**对应模式串下标大于 j > 0 (非首个模式串字符)，
+            //         // 并且此字符前一个字符对应字符串部分匹配表中的值 next[j - 1] 也大于 0，
+            //         // j - next[j - 1] 即模式串为后移的位数，等价于 j 置为 next[j - 1]
+            //         if (j > 0 && next[j - 1] > 0) {
+            //             j = next[j - 1];
+            //         } else {
+            //             break;
+            //         }
+            //     }
+            // }
+            // if (j == n) {
+            //     return i - n;
+            // }
+
+            for (; j < n; j++) {
+                if (scs[i + j] != pcs[j]) {
+          			// 暴力匹配算法当模式串和主串不匹配时，主串匹配下标 +1，模式串匹配下标置为 0，
+        			// KMP 算法优化点在于将模式串下标置为不匹配字符前一个字符对应 next 数组的值
+                    if (j > 0 && next[j - 1] > 0) {
+                        // 当模式串与主串不匹配时，如果**不匹配字符**对应模式串下标大于 j > 0 (非首个模式串字符)，
+                        // 并且此字符前一个字符对应字符串部分匹配表中的值 next[j - 1] 也大于 0，
+                        // j - next[j - 1] 即模式串为后移的位数，等价于 j 置为 next[j - 1]
+                        j = next[j - 1];
+                    } else {
+                        break;
+                    }
+                }
+            }
+            if (j == n) {
+                return i;
+            }
+        }
+
+        return -1;
+    }
+
+    private static int[] getNexts(String p) {
+        int m = p.length();
+        char[] b = p.toCharArray();
+        int[] next = new int[m];
+
+        next[0] = 0;
+        int k = 0; // 表示前后缀相匹配的最大长度
+
+        // 根据已知 next 数组的前 i-1 位推测第 i 位
+        for (int i = 1; i < m; ++i) {
+            while (k != 0 && b[k] != b[i]) {
+                // k 为 b[0, i) 子串最大匹配前后缀长度
+                // b[0, k) 为 b[0, i) 子串最大匹配前缀子串
+
+                // 若：1、b[k] != b[i]，则求 b[0, i] 子串最大匹配前后缀长度问题
+                // 转换成了求 b[0, k) 子串最大匹配前后缀长度问题
+                // 循环直到 b[k] == b[i] (下一步处理) 或 k == 0 
+                k = next[k];
+            }
+            // 若：2、b[k] == b[i]，则 b[0, i] 子串最大匹配前后缀长度为 k + 1
+            if (b[k] == b[i]) {
+                ++k;
+            }
+            next[i] = k;
+        }
+        return next;
+    }
+}

budd-common/src/main/java/io/github/ehlxr/algorithm/search/BinarySearch.java

@@ -0,0 +1,207 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2022 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.algorithm.search;
+
+/**
+ * @author ehlxr
+ * @since 2022-01-01 17:06.
+ */
+public class BinarySearch {
+    public static void main(String[] args) {
+        int[] a = new int[]{1, 3, 5, 6, 7, 8, 9};
+        System.out.println(search(a, a.length, 3));
+        System.out.println(searchRec(a, a.length, 3));
+        a = new int[]{1, 2, 2, 2, 2, 5, 6, 7, 8, 9};
+        System.out.println(searchFirst(a, a.length, 2));
+        a = new int[]{1, 3, 4, 5, 6, 8, 8, 8, 9};
+        System.out.println(searchLast(a, a.length, 8));
+        a = new int[]{1, 2, 2, 3, 4, 5, 6, 7, 8, 8, 9};
+        System.out.println(searchFirstGreater(a, a.length, 7));
+        a = new int[]{1, 2, 3, 4, 5, 6, 8, 9};
+        System.out.println(searchLastLess(a, a.length, 7));
+    }
+
+    /**
+     * 非递归二分查找
+     *
+     * @param a 要查找的数组
+     * @param n 数组的长度
+     * @param v 要查找的值
+     * @return 要查找值在数组中的索引
+     */
+    public static int search(int[] a, int n, int v) {
+        int low = 0;
+        int high = n - 1;
+        while (low <= high) {
+            int mid = low + ((high - low) >> 1);
+            if (a[mid] == v) {
+                return mid;
+            } else if (a[mid] < v) {
+                low = mid + 1;
+            } else {
+                high = mid - 1;
+            }
+        }
+        return -1;
+    }
+
+    /**
+     * 递归二分查找
+     *
+     * @param a 要查找的数组
+     * @param n 数组的长度
+     * @param v 要查找的值
+     * @return 要查找值在数组中的索引
+     */
+    public static int searchRec(int[] a, int n, int v) {
+        return searchRec(a, 0, n - 1, v);
+    }
+
+    /**
+     * 递归二分查找
+     */
+    public static int searchRec(int[] a, int low, int high, int v) {
+        if (low > high) {
+            return -1;
+        }
+
+        int mid = low + ((high - low) >> 1);
+        if (a[mid] == v) {
+            return mid;
+        } else if (a[mid] < v) {
+            return searchRec(a, mid + 1, high, v);
+        } else {
+            return searchRec(a, low, mid - 1, v);
+        }
+    }
+
+    /**
+     * 查找第一个值等于给定值的元素
+     *
+     * @param a 要查找的数组
+     * @param n 数组的长度
+     * @param v 要查找的值
+     * @return 要查找值在数组中的索引
+     */
+    public static int searchFirst(int[] a, int n, int v) {
+        int low = 0;
+        int high = n - 1;
+        while (low <= high) {
+            int mid = low + ((high - low) >> 1);
+            if (a[mid] == v) {
+                if (mid == 0 || a[mid - 1] != v) {
+                    return mid;
+                } else {
+                    high = mid - 1;
+                }
+            } else if (a[mid] < v) {
+                low = mid + 1;
+            } else {
+                high = mid - 1;
+            }
+        }
+        return -1;
+    }
+
+    /**
+     * 查找最后一个值等于给定值的元素
+     *
+     * @param a 要查找的数组
+     * @param n 数组的长度
+     * @param v 要查找的值
+     * @return 要查找值在数组中的索引
+     */
+    public static int searchLast(int[] a, int n, int v) {
+        int low = 0;
+        int high = n - 1;
+        while (low <= high) {
+            int mid = low + ((high - low) >> 1);
+            if (a[mid] == v) {
+                if (mid == n - 1 || a[mid + 1] != v) {
+                    return mid;
+                } else {
+                    low = mid + 1;
+                }
+            } else if (a[mid] < v) {
+                low = mid + 1;
+            } else {
+                high = mid - 1;
+            }
+        }
+        return -1;
+    }
+
+    /**
+     * 查找第一个大于等于给定值的元素
+     *
+     * @param a 要查找的数组
+     * @param n 数组的长度
+     * @param v 要查找的值
+     * @return 要查找值在数组中的索引
+     */
+    public static int searchFirstGreater(int[] a, int n, int v) {
+        int low = 0;
+        int high = n - 1;
+        while (low <= high) {
+            int mid = low + ((high - low) >> 1);
+            if (a[mid] < v) {
+                low = mid + 1;
+            } else {
+                if (mid == 0 || a[mid - 1] < v) {
+                    return mid;
+                } else {
+                    high = mid - 1;
+                }
+            }
+        }
+        return -1;
+    }
+
+    /**
+     * 查找最后一个小于等于给定值的元素
+     *
+     * @param a 要查找的数组
+     * @param n 数组的长度
+     * @param v 要查找的值
+     * @return 要查找值在数组中的索引
+     */
+    public static int searchLastLess(int[] a, int n, int v) {
+        int low = 0;
+        int high = n - 1;
+        while (low <= high) {
+            int mid = low + ((high - low) >> 1);
+            if (a[mid] > v) {
+                high = mid - 1;
+            } else {
+                if (mid == n - 1 || a[mid + 1] > v) {
+                    return mid;
+                } else {
+                    low = mid + 1;
+                }
+            }
+        }
+        return -1;
+    }
+}

budd-common/src/main/java/io/github/ehlxr/algorithm/sort/MergeSort.java

@@ -0,0 +1,111 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.algorithm.sort;
+
+import java.util.Arrays;
+
+/**
+ * @author ehlxr
+ * @since 2021-12-27 19:06.
+ */
+public class MergeSort {
+    public static void main(String[] args) {
+        int[] arrs = new int[]{3, 2, 5, 7, 1, 9};
+        System.out.println(Arrays.toString(sort(arrs)));
+        System.out.println(Arrays.toString(sort2(arrs)));
+    }
+
+    public static int[] sort(int[] arrs) {
+        if (arrs.length <= 1) {
+            return arrs;
+        }
+        int[] a1 = sort(Arrays.copyOfRange(arrs, 0, arrs.length / 2));
+        int[] a2 = sort(Arrays.copyOfRange(arrs, arrs.length / 2, arrs.length));
+
+        return merge(a1, a2);
+    }
+
+    public static int[] merge(int[] a1, int[] a2) {
+        int i = 0;
+        int j = 0;
+        int[] result = new int[a1.length + a2.length];
+        int k = 0;
+        while (i < a1.length || j < a2.length) {
+            int temp;
+            if (i >= a1.length) {
+                temp = a2[j++];
+            } else if (j >= a2.length) {
+                temp = a1[i++];
+            } else if (a1[i] <= a2[j]) {// 为了保证算法的稳定性，如果 a1、a2 有相同的元素，保证 a1 的元素在前面
+                temp = a1[i++];
+            } else {
+                temp = a2[j++];
+            }
+
+            result[k] = temp;
+            k++;
+        }
+
+        return result;
+    }
+
+
+    public static int[] sort2(int[] a) {
+        if (a == null || a.length <= 1) {
+            return a;
+        }
+
+        return merge2(sort2(Arrays.copyOfRange(a, 0, a.length / 2)),
+                sort2(Arrays.copyOfRange(a, a.length / 2, a.length)));
+    }
+
+    public static int[] merge2(int[] a, int[] b) {
+        int[] r = new int[a.length + b.length];
+
+        int i = 0;
+        int j = 0;
+        int m = 0;
+        while (i < a.length || j < b.length) {
+            if (i >= a.length) {
+                r[m++] = b[j++];
+                continue;
+            }
+
+            if (j >= b.length) {
+                r[m++] = a[i++];
+                continue;
+            }
+
+            if (a[i] < b[j]) {
+                r[m++] = a[i++];
+            } else {
+                r[m++] = b[j++];
+            }
+        }
+
+
+        return r;
+    }
+}

budd-common/src/main/java/io/github/ehlxr/algorithm/sort/QuickSort.java

@@ -0,0 +1,116 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.algorithm.sort;
+
+import java.util.Arrays;
+
+/**
+ * @author ehlxr
+ * @since 2021-12-28 19:57.
+ */
+public class QuickSort {
+    public static void main(String[] args) {
+        int[] a = new int[]{3, 9, 5, 7, 1, 2};
+        sort2(a, 0, a.length - 1);
+
+        System.out.println(Arrays.toString(a));
+    }
+
+    public static void sort(int[] a, int p, int r) {
+        if (p >= r) {
+            return;
+        }
+
+        int q = partition(a, p, r);
+
+        sort(a, p, q - 1);
+        sort(a, q + 1, r);
+    }
+
+    /**
+     * 获取分区点
+     * <p>
+     * 图示：https://cdn.jsdelivr.net/gh/0vo/oss/images/quick_sort.jpg
+     * <p>
+     * 通过游标 i 把 a[p...r] 分成两部分。
+     * a[p...i-1] 的元素都是小于 pivot 的，我们暂且叫它 “已处理区间”，a[i...r] 是 “未处理区间”。
+     * 我们每次都从未处理的区间 a[i...r] 中取一个元素 a[j]，与 pivot 对比，
+     * 如果小于 pivot，则将其加入到已处理区间的尾部，也就是 a[i] 的位置
+     * <p>
+     * 只需要将 a[i] 与 a[j] 交换，就可以在 O(1) 时间复杂度内将 a[j] 放到下标为 i 的位置。
+     */
+    public static int partition(int[] a, int p, int r) {
+        int i = p;
+        int pivot = a[r];
+        for (int j = p; j < r; j++) {
+            if (a[j] < pivot) {
+                swap(a, i++, j);
+            }
+        }
+
+        swap(a, i, r);
+        System.out.println("i=" + i + " " + Arrays.toString(a));
+
+        return i;
+    }
+
+    public static void swap(int[] a, int i, int j) {
+        if (i == j) {
+            return;
+        }
+        int temp = a[i];
+        a[i] = a[j];
+        a[j] = temp;
+    }
+
+    public static void sort2(int[] a, int l, int r) {
+        if (a == null || l >= r) {
+            return;
+        }
+
+        int i = l, j = r;
+        int p = l; // 选择最左边的元素为 pivot
+        while (l < r) {
+            // 如果选择 p = l 必须先从右边找到小于 a[p] 的第一个元素
+            while (l < r && a[r] >= a[p]) {
+                r--;
+            }
+            swap(a, r, p);
+            p = r;
+
+            // 从左边找到大于 a[p] 的第一个元素
+            while (l < r && a[l] <= a[p]) {
+                l++;
+            }
+            swap(a, l, p);
+            p = l;
+            System.out.println(Arrays.toString(a));
+
+        }
+
+        sort2(a, i, p - 1);
+        sort2(a, p + 1, j);
+    }
+}

budd-common/src/main/java/io/github/ehlxr/annotations/NoRequestLog.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2021 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,10 +22,7 @@
  * THE SOFTWARE.
  */
 
-/**
- *
- */
-package io.github.ehlxr.annotation;
+package io.github.ehlxr.annotations;
 
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
@@ -33,11 +30,12 @@ import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
 /**
- * @author ehlxr
+ * 请求日志排除注解
  *
+ * @author ehlxr
+ * @since 2021-08-18 14:03.
  */
-@Target(ElementType.PACKAGE)
 @Retention(RetentionPolicy.RUNTIME)
-@interface PkgAnnotation {
-
+@Target(ElementType.METHOD)
+public @interface NoRequestLog {
 }

budd-common/src/main/java/io/github/ehlxr/common/Constant.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2021 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,28 +22,26 @@
  * THE SOFTWARE.
  */
 
+package io.github.ehlxr.common;
+
 /**
- * @author ehlxr
- */
-/**
- * @author ehlxr
+ * 常量
  *
+ * @author ehlxr
+ * @since 2021-08-29 18:32.
  */
-@PkgAnnotation
-package io.github.ehlxr.annotation;
+public interface Constant {
+    /**
+     * traceID
+     */
+    String LOG_TRACE_ID = "logTraceId";
 
-/**
- * 包内方法
- */
-class MyPackageMethod {
-    public void myPackageMethod() {
-        System.out.println("MyPackageMethod...");
-    }
+    /**
+     * 接口请求开始时间戳
+     */
+    String REQUEST_START_TIME = "request_start_time";
+
+    int SUCCESS_CODE = 0;
+
+    String SUCCESS_MSG = "success";
 }
-
-/**
- * 包内常量
- */
-class MyPackageConst {
-    static final java.lang.String PACKAGE_STRING = "myPackageConst";
-}

budd-common/src/main/java/io/github/ehlxr/common/Result.java

@@ -1,28 +1,4 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr.utils;
+package io.github.ehlxr.common;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.core.JsonProcessingException;
@@ -30,6 +6,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
 import com.google.common.base.Strings;
 import com.google.common.base.Throwables;
+import io.github.ehlxr.enums.CodeEnum;
 
 import java.io.Serializable;
 import java.text.SimpleDateFormat;
@@ -67,7 +44,7 @@ public class Result<T> implements Serializable {
     }
 
     public static <T> Result<T> success(T data, String message) {
-        return new Result<>(Code.SUCCESSFUL.getCode(), data, message);
+        return new Result<>(CodeEnum.SUCCESSFUL.getCode(), data, message);
     }
 
     public static <T> Result<T> success(T data) {
@@ -82,35 +59,35 @@ public class Result<T> implements Serializable {
         return new Result<>(c, d, m);
     }
 
-    public static <T> Result<T> of(Code c, T d, String m) {
+    public static <T> Result<T> of(CodeEnum c, T d, String m) {
         return new Result<>(c.getCode(), d, m);
     }
 
-    public static <T> Result<T> fail(Code code, String message) {
-        return of(code.getCode(), null, message);
+    public static <T> Result<T> fail(CodeEnum codeEnum, String message) {
+        return of(codeEnum.getCode(), null, message);
     }
 
-    public static <T> Result<T> fail(Code code) {
-        return fail(code, code.getMessage());
+    public static <T> Result<T> fail(CodeEnum codeEnum) {
+        return fail(codeEnum, codeEnum.getMessage());
     }
 
     public static <T> Result<T> fail(Throwable e) {
         // 格式化异常消息，防止输出异常栈信息到结果集
         e = Throwables.getRootCause(e);
-        return of(Code.UNKNOWN_EXCEPTION.getCode(), null, String.format("%s: %s", e.getClass().getSimpleName(), e.getMessage()));
+        return of(CodeEnum.UNKNOWN_EXCEPTION.getCode(), null, String.format("%s: %s", e.getClass().getSimpleName(), e.getMessage()));
     }
 
     public String getMessage() {
         // return Strings.isNullOrEmpty(m) ? c.getMessage() : m;
         if (Strings.isNullOrEmpty(message)) {
-            Code code;
+            CodeEnum codeEnum;
             try {
-                code = Code.code(this.code);
+                codeEnum = CodeEnum.code(this.code);
             } catch (Exception e) {
                 return message;
             }
 
-            return Objects.isNull(code) ? "" : code.getMessage();
+            return Objects.isNull(codeEnum) ? "" : codeEnum.getMessage();
         }
         return message;
     }

budd-common/src/main/java/io/github/ehlxr/config/RedisTemplateConfig.java

@@ -0,0 +1,56 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.serializer.StringRedisSerializer;
+
+/**
+ * @author ehlxr
+ * @since 2021-08-29 18:32.
+ */
+@Configuration
+public class RedisTemplateConfig {
+    @Bean(name = "redisTemplate")
+    public RedisTemplate<String, String> getRedisTemplate(RedisConnectionFactory factory) {
+        return buildRedisTemplateByString(factory);
+    }
+
+    /**
+     * 构建 redisTemplate 使用 string序列化
+     */
+    public RedisTemplate<String, String> buildRedisTemplateByString(RedisConnectionFactory factory) {
+        RedisTemplate<String, String> redisTemplate = new RedisTemplate<>();
+        redisTemplate.setConnectionFactory(factory);
+        redisTemplate.setKeySerializer(new StringRedisSerializer());
+        redisTemplate.setValueSerializer(new StringRedisSerializer());
+        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
+        redisTemplate.setHashValueSerializer(new StringRedisSerializer());
+        return redisTemplate;
+    }
+}

budd-common/src/main/java/io/github/ehlxr/datastructure/Node.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2021 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,35 +22,51 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.proxy;
-
-import java.lang.reflect.InvocationHandler;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
+package io.github.ehlxr.datastructure;
 
 /**
+ * 链表节点数据结构
+ *
  * @author ehlxr
- * @since 2019-06-28.
+ * @since 2021-12-23 14:41.
  */
-public class MyInvocationHandler implements InvocationHandler {
-    private final Bird bird;
+public class Node<T> {
+    private T val;
+    private Node<T> next;
 
-    public MyInvocationHandler(Bird bird) {
-        this.bird = bird;
+    public Node(T val, Node<T> next) {
+        this.val = val;
+        this.next = next;
+    }
+
+    public T getVal() {
+        return val;
+    }
+
+    public void setVal(T val) {
+        this.val = val;
+    }
+
+    public Node<T> getNext() {
+        return next;
+    }
+
+    public void setNext(Node<T> next) {
+        this.next = next;
+    }
+
+    public void print() {
+        Node<T> n = this;
+        while (n != null) {
+            System.out.printf("%s -> ", n.getVal());
+            n = n.getNext();
+        }
+        System.out.print("null");
+        System.out.println();
     }
 
     @Override
-    public Object invoke(Object proxy, Method method, Object[] args) {
-        long start = System.currentTimeMillis();
-
-        try {
-            method.invoke(bird, args);
-        } catch (IllegalAccessException | InvocationTargetException e) {
-            e.printStackTrace();
-        }
-
-        long end = System.currentTimeMillis();
-        System.out.println("Fly time = " + (end - start));
-        return null;
+    public String toString() {
+        return "Node{" + val + '}';
     }
 }

budd-common/src/main/java/io/github/ehlxr/datastructure/linkedlist/ReverseLinkedList.java

@@ -0,0 +1,103 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.datastructure.linkedlist;
+
+import io.github.ehlxr.datastructure.Node;
+
+/**
+ * 反转链表
+ *
+ * @author ehlxr
+ * @since 2021-12-23 14:40.
+ */
+public class ReverseLinkedList<T> {
+    public static void main(String[] args) {
+        ReverseLinkedList<Integer> reverseLinkedList = new ReverseLinkedList<>();
+        Node<Integer> n5 = new Node<>(5, null);
+        Node<Integer> n4 = new Node<>(4, n5);
+        Node<Integer> n3 = new Node<>(3, n4);
+        Node<Integer> n2 = new Node<>(2, n3);
+        Node<Integer> n1 = new Node<>(1, n2);
+        Node<Integer> head = new Node<>(0, n1);
+
+        head.print();
+
+        System.out.println("-------------");
+        // head = reverse(head);
+        head = reverseLinkedList.reverse2(head);
+        // head = reverse3(head, null);
+        head.print();
+    }
+
+
+    // 循环方式
+    public Node<T> reverse(Node<T> head) {
+        if (head == null || head.getNext() == null) {
+            return head;
+        }
+        Node<T> pre = null;
+
+        Node<T> cur = head;
+        while (cur != null) {
+            Node<T> next = cur.getNext();
+            cur.setNext(pre);
+            pre = cur;
+
+            cur = next;
+        }
+
+        return pre;
+    }
+
+    // 递归一
+    public Node<T> reverse2(Node<T> head) {
+        if (head == null || head.getNext() == null) {
+            return head;
+        }
+
+        Node<T> next = head.getNext();
+        Node<T> node = reverse2(next);
+
+        head.getNext().setNext(head);
+        head.setNext(null);
+
+        return node;
+    }
+
+    // 递归二
+    public Node<T> reverse3(Node<T> head, Node<T> pre) {
+        if (head == null) {
+            return pre;
+        }
+
+        Node<T> next = head.getNext();
+        Node<T> node = reverse3(next, head);
+
+        head.setNext(pre);
+
+        return node;
+    }
+
+}

budd-common/src/main/java/io/github/ehlxr/datastructure/queue/CircularQueue.java

@@ -0,0 +1,101 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2020 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.datastructure.queue;
+
+/**
+ * 数组实现循环队列
+ * <p>
+ * 一般情况下只需要 tail + 1 == head 即可判定队列已满，结合特殊情况（head == 0，tail == n - 1）
+ * 可使用公式 (tail + 1) % size == head 判定队列已满，head == tail 判断队列为空，
+ * 但这种公式判断循环队列会浪费一个数组的存储空间。
+ * <p>
+ * 另也可使用一个变量 n 记录当前队列中的数量（入队 +1，出队 -1），当 head == tail 时，
+ * 如果 n == size，则队列已满，如果 n == 0 则队列为空。
+ *
+ * @author ehlxr
+ * @since 2021-12-25 21:01.
+ */
+public class CircularQueue {
+    private final Integer[] data;
+    private int head = 0;
+    private int tail = 0;
+    private final int size;
+
+    public CircularQueue(int size) {
+        data = new Integer[size];
+        this.size = size;
+    }
+
+    public static void main(String[] args) {
+        CircularQueue queue = new CircularQueue(5);
+
+        // 循环队列会浪费一个数组的存储空间。队列容量为 5，入队 5 个最后一个失败
+        for (int i = 0; i < 5; i++) {
+            System.out.println(queue.enqueue(i));
+        }
+
+        // 出队 2 个，然后还可以入队 2 个
+        for (int i = 0; i < 2; i++) {
+            System.out.println(queue.dequeue());
+        }
+        System.out.println(queue.enqueue(7));
+        System.out.println(queue.enqueue(8));
+        System.out.println(queue.enqueue(9));
+
+        // 出队 6 个，最后一个失败
+        for (int i = 0; i < 6; i++) {
+            System.out.println(queue.dequeue());
+        }
+    }
+
+    /**
+     * 入队（从队尾添加元素）
+     */
+    public boolean enqueue(Integer item) {
+        // 判断队列是否已满
+        if ((tail + 1) % size == head) {
+            return false;
+        }
+        data[tail] = item;
+        tail = (tail + 1) % size;
+
+        return true;
+    }
+
+    /**
+     * 出队（从队首取出元素）
+     */
+    public Integer dequeue() {
+        // 判断队列是否为空
+        if (head == tail) {
+            return null;
+        }
+
+        Integer no = data[head];
+        head = (head + 1) % size;
+
+        return no;
+    }
+}

budd-common/src/main/java/io/github/ehlxr/datastructure/queue/DynamicArrayQueue.java

@@ -0,0 +1,103 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.datastructure.queue;
+
+/**
+ * 数组实现动态扩容队列
+ *
+ * @author ehlxr
+ * @since 2021-12-25 15:19.
+ */
+public class DynamicArrayQueue {
+    private final String[] data;
+    private final int size;
+    private int head = 0;
+    private int tail = 0;
+
+    public DynamicArrayQueue(int size) {
+        data = new String[size];
+        this.size = size;
+    }
+
+    public static void main(String[] args) {
+        DynamicArrayQueue queue = new DynamicArrayQueue(5);
+
+        // 队列容量为 5，入队 6 个最后一个失败
+        for (int i = 0; i < 6; i++) {
+            System.out.println(queue.enqueue("" + i));
+        }
+
+        // 出队 2 个，然后还可以入队 2 个
+        for (int i = 0; i < 2; i++) {
+            System.out.println(queue.dequeue());
+        }
+        System.out.println(queue.enqueue("a"));
+        System.out.println(queue.enqueue("b"));
+        System.out.println(queue.enqueue("c"));
+
+        // 出队 6 个，最后一个失败
+        for (int i = 0; i < 6; i++) {
+            System.out.println(queue.dequeue());
+        }
+    }
+
+    /**
+     * 入队（从队尾添加元素）
+     */
+    public boolean enqueue(String item) {
+        // 判断队列是否已满
+        if (tail == size) {
+            if (head == 0) {
+                return false;
+            }
+
+            // 如果 tail == size，而 head != 0，0 与 head 之间还有空位，向前移动 head 与 tail 之间的数据
+            // for (int i = head; i < tail; i++) {
+            //     data[i - head] = data[i];
+            // }
+            if (tail - head >= 0) {
+                System.arraycopy(data, head, data, 0, tail - head);
+            }
+
+            tail -= head;
+            head = 0;
+        }
+
+        data[tail++] = item;
+        return true;
+    }
+
+    /**
+     * 出队（从队首取出元素）
+     */
+    public String dequeue() {
+        // 判断队列是否为空
+        if (head == tail) {
+            return null;
+        }
+
+        return data[head++];
+    }
+}

budd-common/src/main/java/io/github/ehlxr/datastructure/queue/LinkedListQueue.java

@@ -0,0 +1,92 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.datastructure.queue;
+
+import io.github.ehlxr.datastructure.Node;
+
+/**
+ * 基于链表实现的队列
+ * <p>
+ * 入队时间复杂度 O(n)
+ *
+ * @author ehlxr
+ * @since 2021-12-25 16:02.
+ */
+public class LinkedListQueue<T> {
+    private Node<T> head;
+
+    public static void main(String[] args) {
+        LinkedListQueue<Integer> queue = new LinkedListQueue<>();
+        for (int i = 0; i < 6; i++) {
+            System.out.println(queue.enqueue(i));
+        }
+
+        for (int i = 0; i < 6; i++) {
+            queue.getData().print();
+            System.out.println(queue.dequeue());
+        }
+
+        System.out.println(queue.dequeue());
+    }
+
+    /**
+     * 入队（从队尾添加元素）
+     * 时间复杂度 O(n)
+     */
+    public boolean enqueue(T item) {
+        Node<T> node = new Node<T>(item, null);
+        if (head == null) {
+            head = node;
+            return true;
+        }
+
+        // 找到队尾
+        Node<T> tail = head;
+        while (tail.getNext() != null) {
+            tail = tail.getNext();
+        }
+
+        tail.setNext(node);
+        return true;
+    }
+
+    /**
+     * 出队（从队首取出元素）
+     */
+    public T dequeue() {
+        if (head == null) {
+            return null;
+        }
+
+        T val = head.getVal();
+        head = head.getNext();
+
+        return val;
+    }
+
+    public Node<T> getData() {
+        return head;
+    }
+}

budd-common/src/main/java/io/github/ehlxr/datastructure/queue/LinkedListQueue2.java

@@ -0,0 +1,94 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.datastructure.queue;
+
+import io.github.ehlxr.datastructure.Node;
+
+/**
+ * 基于链表实现的队列
+ * <p>
+ * 多一个变量 tail，换取入队时间复杂度为 O(1)
+ *
+ * @author ehlxr
+ * @since 2021-12-25 16:48.
+ */
+public class LinkedListQueue2<T> {
+    private Node<T> head = null;
+    private Node<T> tail = null;
+
+    public static void main(String[] args) {
+        LinkedListQueue2<Integer> queue = new LinkedListQueue2<>();
+        for (int i = 0; i < 6; i++) {
+            System.out.println(queue.enqueue(i));
+        }
+
+        for (int i = 0; i < 6; i++) {
+            queue.getData().print();
+            System.out.println(queue.dequeue());
+        }
+
+        System.out.println(queue.dequeue());
+    }
+
+    /**
+     * 入队（从队尾添加元素）
+     * 时间复杂度 O(1)
+     */
+    public boolean enqueue(T item) {
+        Node<T> node = new Node<>(item, null);
+
+        if (tail == null) {
+            head = node;
+            tail = node;
+            return true;
+        }
+
+        tail.setNext(node);
+        tail = node;
+        return true;
+    }
+
+    /**
+     * 出队（从队首取出元素）
+     */
+    public T dequeue() {
+        if (head == null) {
+            return null;
+        }
+
+        T val = head.getVal();
+        head = head.getNext();
+        // 如果队列为空了，需要把 tail 置空
+        if (head == null) {
+            tail = null;
+        }
+
+        return val;
+    }
+
+    public Node<T> getData() {
+        return head;
+    }
+}

budd-common/src/main/java/io/github/ehlxr/datastructure/stack/ArrayStack.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2020 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,44 +22,56 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.hashing.consistent;
+package io.github.ehlxr.datastructure.stack;
 
-import java.util.SortedMap;
-import java.util.TreeMap;
+/**
+ * @author ehlxr
+ * @since 2021-12-25 22:10.
+ */
+public class ArrayStack {
+    private final Integer[] data;
+    private final int size;
+    // 栈顶下标
+    private int top = 0;
 
-public class Cluster {
-    private static final int SERVER_SIZE_MAX = 1024;
-
-    private final SortedMap<Integer, Server> servers = new TreeMap<>();
-    private int size = 0;
-
-    public void put(Entry e) {
-        routeServer(e.hashCode()).put(e);
-    }
-
-    public Entry get(Entry e) {
-        return routeServer(e.hashCode()).get(e);
-    }
-
-    public Server routeServer(int hash) {
-        if (servers.isEmpty())
-            return null;
-
-        if (!servers.containsKey(hash)) {
-            SortedMap<Integer, Server> tailMap = servers.tailMap(hash);
-            hash = tailMap.isEmpty() ? servers.firstKey() : tailMap.firstKey();
-            // hash = servers.firstKey();
+    public static void main(String[] args) {
+        ArrayStack stack = new ArrayStack(5);
+        for (int i = 0; i < 6; i++) {
+            System.out.println(stack.push(i));
         }
-        return servers.get(hash);
+
+        for (int i = 0; i < 6; i++) {
+            System.out.println(stack.pop());
+        }
+
     }
 
-    public boolean addServer(Server s) {
-        if (size >= SERVER_SIZE_MAX)
+    public ArrayStack(int size) {
+        data = new Integer[size];
+        this.size = size;
+    }
+
+    /**
+     * 入栈
+     */
+    public boolean push(Integer item) {
+        // 判断栈是否已满
+        if (top == size) {
             return false;
+        }
+        data[top++] = item;
 
-        servers.put(s.hashCode(), s);
-
-        size++;
         return true;
     }
+
+    /**
+     * 出栈
+     */
+    public Integer pop() {
+        // 判断栈是否为空
+        if (top == 0) {
+            return null;
+        }
+        return data[--top];
+    }
 }

budd-common/src/main/java/io/github/ehlxr/datastructure/stack/LinkedListStack.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2020 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,55 +22,63 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.test;
+package io.github.ehlxr.datastructure.stack;
+
+import io.github.ehlxr.datastructure.Node;
 
 /**
- * Created by ehlxr on 2017/4/14.
+ * @author ehlxr
+ * @since 2021-12-25 22:28.
  */
-public class TestReference {
+public class LinkedListStack<T> {
+    private Node<T> head;
+
+    public Node<T> getData() {
+        return head;
+    }
+
     public static void main(String[] args) {
-        Person person = new Person();
+        LinkedListStack<Integer> stack = new LinkedListStack<>();
+        for (int i = 0; i < 6; i++) {
+            System.out.println(stack.push(i));
+        }
+
+        for (int i = 0; i < 6; i++) {
+            stack.getData().print();
+            System.out.println(stack.pop());
+        }
 
-        person.age = 20;
-        person.name = "test20";
-        System.out.println(person);
-        TestReference testReference = new TestReference();
-        testReference.test(person);
-        System.out.println(person);
     }
 
-    public void test(Person person) {
-        person = new Person();
-        person.age = 21;
-        person.name = "test21";
+    /**
+     * 入栈
+     */
+    public boolean push(T item) {
+        Node<T> node = new Node<>(item, null);
+        if (head == null) {
+            head = node;
+            return true;
+        }
+
+        node.setNext(head);
+        head = node;
+        return true;
     }
 
-    static class Person {
-        String name;
-        int age;
-
-        @Override
-        public String toString() {
-            return "Person{" +
-                    "name='" + name + '\'' +
-                    ", age=" + age +
-                    '}';
+    /**
+     * 出栈
+     */
+    public T pop() {
+        if (head == null) {
+            return null;
         }
 
-        public String getName() {
-            return name;
-        }
+        T val = head.getVal();
+        head = head.getNext();
+        return val;
+    }
 
-        public void setName(String name) {
-            this.name = name;
-        }
-
-        public int getAge() {
-            return age;
-        }
-
-        public void setAge(int age) {
-            this.age = age;
-        }
+    public void clear() {
+        head = null;
     }
 }

budd-common/src/main/java/io/github/ehlxr/enums/CodeEnum.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2021 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,7 +22,7 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.utils;
+package io.github.ehlxr.enums;
 
 /**
  * 自定义状态码
@@ -30,7 +30,7 @@ package io.github.ehlxr.utils;
  * @author ehlxr
  * @since 2020/3/18.
  */
-public enum Code {
+public enum CodeEnum {
     /**
      * 成功
      */
@@ -55,7 +55,7 @@ public enum Code {
     private final int code;
     private final String message;
 
-    Code(int code, String message) {
+    CodeEnum(int code, String message) {
         this.code = code;
         this.message = message;
     }
@@ -76,10 +76,10 @@ public enum Code {
                 '}';
     }
 
-    private static final Code[] CODES = Code.values();
+    private static final CodeEnum[] CODE_ENUMS = CodeEnum.values();
 
-    public static Code code(int code) {
-        for (Code c : CODES) {
+    public static CodeEnum code(int code) {
+        for (CodeEnum c : CODE_ENUMS) {
             if (code == c.getCode()) {
                 return c;
             }

budd-common/src/main/java/io/github/ehlxr/enums/FormType.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2021 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,7 +22,7 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.utils;
+package io.github.ehlxr.enums;
 
 /**
  * FORM 表单提交类型

budd-common/src/main/java/io/github/ehlxr/enums/HttpContentType.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2021 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,7 +22,7 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.utils;
+package io.github.ehlxr.enums;
 
 /**
  * @author ehlxr

budd-common/src/main/java/io/github/ehlxr/exception/JsonParseException.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2021 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,31 +22,30 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.singleton;
-
-import java.util.stream.IntStream;
+package io.github.ehlxr.exception;
 
 /**
- * 枚举单例模式
- *
  * @author ehlxr
- * @since 2021-02-18 10:28.
+ * @since 2020-05-06.
  */
-public enum SingleEnum {
-    /**
-     * 唯一实例
-     */
-    INSTANCE;
+public class JsonParseException extends RuntimeException {
+    private static final long serialVersionUID = -2626765995683345473L;
 
-    public static SingleEnum getInstance() {
-        return INSTANCE;
+    public JsonParseException(String msg) {
+        super(msg);
     }
 
-    public String hello(String str) {
-        return "hello " + str;
+    public JsonParseException(String msg, Throwable e) {
+        super(msg, e);
     }
 
-    public static void main(String[] args) {
-        IntStream.range(0, 5).parallel().forEach(i -> System.out.println(Thread.currentThread().getName() + " => " + SingleEnum.getInstance()));
+    public JsonParseException(Throwable e) {
+        super(e);
+    }
+
+    @Override
+    public synchronized Throwable fillInStackTrace() {
+        // 不拷贝栈信息
+        return null;
     }
 }

budd-common/src/main/java/io/github/ehlxr/exception/ServiceDataException.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2020 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,28 +22,46 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.singleton;
+package io.github.ehlxr.exception;
 
-import java.util.stream.IntStream;
+import io.github.ehlxr.enums.CodeEnum;
 
 /**
  * @author ehlxr
- * @since 2021-02-18 11:23.
+ * @since 2021-08-29 19:18.
  */
-public class SingleTonStaticInnerClass {
-    private SingleTonStaticInnerClass() {
+public class ServiceDataException extends RuntimeException {
+    /**
+     * 错误码
+     */
+    private int code;
+    /**
+     * 异常信息
+     */
+    private String msg;
+
+    public int getCode() {
+        return code;
     }
 
-    private static class HandlerInstance {
-        private static SingleTonStaticInnerClass instance = new SingleTonStaticInnerClass();
+
+    public String getMsg() {
+        return msg;
     }
 
-    public static SingleTonStaticInnerClass getInstance() {
-        return HandlerInstance.instance;
+
+    public ServiceDataException(Throwable throwable) {
+        super(throwable);
     }
 
-    public static void main(String[] args) {
-        IntStream.range(0, 5).parallel().forEach(i -> System.out.println(Thread.currentThread().getName() + " => " + SingleTonStaticInnerClass.getInstance()));
+    public ServiceDataException(CodeEnum codeEnum) {
+        this.code = codeEnum.getCode();
+        this.msg = codeEnum.getMessage();
     }
 
-}
+    public ServiceDataException(int code, String msg) {
+        super(msg);
+        this.code = code;
+        this.msg = msg;
+    }
+}

budd-common/src/main/java/io/github/ehlxr/function/BlockerActionConsumer.java

@@ -0,0 +1,74 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.function;
+
+import java.util.concurrent.ForkJoinPool;
+import java.util.concurrent.RecursiveAction;
+import java.util.function.Consumer;
+
+/**
+ * @author ehlxr
+ * @since 2021-09-06 10:48.
+ */
+public class BlockerActionConsumer<T> extends RecursiveAction {
+    private static final long serialVersionUID = 4942349095463615123L;
+    private final MyManagedBlockerImpl<T> blocker;
+
+    public BlockerActionConsumer(Consumer<T> consumer, T t) {
+        this.blocker = new MyManagedBlockerImpl<>(consumer, t);
+    }
+
+    @Override
+    protected void compute() {
+        try {
+            ForkJoinPool.managedBlock(blocker);
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    static class MyManagedBlockerImpl<T> implements ForkJoinPool.ManagedBlocker {
+        private final Consumer<T> consumer;
+        private final T t;
+        private boolean done = false;
+
+        public MyManagedBlockerImpl(Consumer<T> consumer, T t) {
+            this.consumer = consumer;
+            this.t = t;
+        }
+
+        @Override
+        public boolean block() {
+            consumer.accept(t);
+            done = true;
+            return true;
+        }
+
+        @Override
+        public boolean isReleasable() {
+            return done;
+        }
+    }
+}

budd-common/src/main/java/io/github/ehlxr/function/BlockerTaskFunction.java

@@ -0,0 +1,77 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.function;
+
+import java.util.concurrent.ForkJoinPool;
+import java.util.concurrent.RecursiveTask;
+import java.util.function.Function;
+
+/**
+ * @author ehlxr
+ * @since 2021-09-06 10:39.
+ */
+public class BlockerTaskFunction<T, R> extends RecursiveTask<R> {
+    private static final long serialVersionUID = -4114798302790287199L;
+    private final MyManagedBlockerImpl<T, R> blocker;
+
+    public BlockerTaskFunction(Function<T, R> function, T t) {
+        this.blocker = new MyManagedBlockerImpl<>(function, t);
+    }
+
+    @Override
+    protected R compute() {
+        try {
+            ForkJoinPool.managedBlock(blocker);
+            setRawResult(blocker.r);
+            return getRawResult();
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    static class MyManagedBlockerImpl<T, R> implements ForkJoinPool.ManagedBlocker {
+        private final Function<T, R> function;
+        private final T t;
+        private R r;
+        private boolean done = false;
+
+        public MyManagedBlockerImpl(Function<T, R> function, T t) {
+            this.function = function;
+            this.t = t;
+        }
+
+        @Override
+        public boolean block() {
+            r = function.apply(t);
+            done = true;
+            return true;
+        }
+
+        @Override
+        public boolean isReleasable() {
+            return done;
+        }
+    }
+}

budd-common/src/main/java/io/github/ehlxr/function/CallableFunction.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2021 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,27 +22,26 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.proxy;
+package io.github.ehlxr.function;
 
-import java.util.Random;
+import java.util.concurrent.Callable;
+import java.util.function.Function;
 
 /**
  * @author ehlxr
- * @since 2019-06-28.
+ * @since 2021-09-06 10:40.
  */
-public class Bird implements Flyable {
-    @Override
-    public void fly() {
-        System.out.println("Bird is flying...");
-        try {
-            Thread.sleep(new Random().nextInt(1000));
-        } catch (InterruptedException e) {
-            e.printStackTrace();
-        }
+public class CallableFunction<T, R> implements Callable<R> {
+    private final T t;
+    private final Function<T, R> function;
+
+    public CallableFunction(Function<T, R> function, T t) {
+        this.function = function;
+        this.t = t;
     }
 
-    // @Override
-    // public void run() {
-    //     System.out.println("Bird is running...");
-    // }
-}
+    @Override
+    public R call() {
+        return function.apply(t);
+    }
+}

budd-common/src/main/java/io/github/ehlxr/function/RecursiveTaskFunction.java

@@ -0,0 +1,48 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.function;
+
+import java.util.concurrent.RecursiveTask;
+import java.util.function.Function;
+
+/**
+ * @author ehlxr
+ * @since 2021-09-06 10:41.
+ */
+public class RecursiveTaskFunction<T, R> extends RecursiveTask<R> {
+    private static final long serialVersionUID = 4451027118600634633L;
+    private final T t;
+    private final Function<T, R> function;
+
+    public RecursiveTaskFunction(Function<T, R> function, T t) {
+        this.function = function;
+        this.t = t;
+    }
+
+    @Override
+    protected R compute() {
+        return function.apply(t);
+    }
+}

budd-common/src/main/java/io/github/ehlxr/function/RunnableConsumer.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2021 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,21 +22,25 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.hashing.consistent;
+package io.github.ehlxr.function;
 
-public class Entry {
-    private final String key;
+import java.util.function.Consumer;
 
-    Entry(String key) {
-        this.key = key;
+/**
+ * @author ehlxr
+ * @since 2021-09-06 10:40.
+ */
+public class RunnableConsumer<T> implements Runnable {
+    private final T t;
+    private final Consumer<T> consumer;
+
+    public RunnableConsumer(Consumer<T> consumer, T t) {
+        this.consumer = consumer;
+        this.t = t;
     }
 
     @Override
-    public String toString() {
-        return key;
+    public void run() {
+        consumer.accept(t);
     }
-
-    public int hashCode() {
-        return key.hashCode();
-    }
-}
+}

budd-common/src/main/java/io/github/ehlxr/queue/RedisDelayQueue.java

@@ -0,0 +1,113 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2022 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.queue;
+
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.PostConstruct;
+import java.util.Set;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * @author ehlxr
+ * @since 2022-02-24 20:00.
+ */
+@Component
+public class RedisDelayQueue {
+    private static final Logger log = LoggerFactory.getLogger(RedisDelayQueue.class);
+    /**
+     * 延迟队列名称
+     */
+    private static final String DELAY_QUEUE_NAME = "budd:delayQueue";
+    private static final ExecutorService POOL = new ThreadPoolExecutor(5, 200,
+            0L, TimeUnit.MILLISECONDS,
+            new LinkedBlockingQueue<>(1024), new ThreadFactoryBuilder()
+            .setNameFormat("RedisDelayQueue-pool-%d").build(),
+            new ThreadPoolExecutor.AbortPolicy());
+    private final RedisTemplate<String, String> redisTemplate;
+
+    public RedisDelayQueue(RedisTemplate<String, String> redisTemplate) {
+        this.redisTemplate = redisTemplate;
+    }
+
+    /**
+     * 添加延迟任务
+     *
+     * @param msg       延迟任务消息
+     * @param delayTime 延迟时间（毫秒）
+     */
+    public void addDelayTasks(String msg, long delayTime) {
+        Boolean result = redisTemplate.opsForZSet()
+                .add(DELAY_QUEUE_NAME, msg, System.currentTimeMillis() + delayTime);
+        log.debug("add task {} result {} ", msg, result);
+    }
+
+    /**
+     * 监听延迟消息
+     */
+    @PostConstruct
+    public void listenDelayLoop() {
+        //noinspection AlibabaAvoidManuallyCreateThread
+        new Thread(() -> {
+            while (true) {
+                // 获取一个到点的消息
+                Set<String> taskSet = redisTemplate.opsForZSet()
+                        .rangeByScore(DELAY_QUEUE_NAME, 0, System.currentTimeMillis(), 0, 1);
+
+                // 如果没有，就等等
+                if (taskSet == null || taskSet.isEmpty()) {
+                    try {
+                        // log.debug("there is no task will sleep 1s.");
+                        TimeUnit.SECONDS.sleep(1);
+                    } catch (InterruptedException e) {
+                        log.error("listen delay loop error.", e);
+                    }
+                    // 继续执行
+                    continue;
+                }
+
+                for (String task : taskSet) {
+                    // 任务认领成功
+                    Long isRemove = redisTemplate.opsForZSet().remove(DELAY_QUEUE_NAME, task);
+                    if (isRemove != null && isRemove > 0) {
+                        log.info("will deal task {}", task);
+                        // 拿到任务 后续处理
+                        POOL.execute(() -> log.info("task {} deal done.", task));
+                    } else {
+                        log.warn("task {} has been handled by another instance", task);
+                    }
+                }
+            }
+        }).start();
+    }
+}
+

budd-common/src/main/java/io/github/ehlxr/semaphore/DistributedSemaphore.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2022 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,14 +22,23 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.proxy;
+package io.github.ehlxr.semaphore;
 
 /**
  * @author ehlxr
- * @since 2019-06-28.
+ * @since 2022-03-03 11:25.
  */
-public interface Flyable {
-    void fly();
+public interface DistributedSemaphore {
+    /**
+     * 尝试获取一个信号量
+     *
+     * @return true 获取成功，false 获取失败
+     */
+    boolean tryAcquire();
 
-    // void run();
+    /**
+     * 释放自己持有的信号量
+     */
+    void release();
 }
+

budd-common/src/main/java/io/github/ehlxr/semaphore/RedisSemaphore.java

@@ -0,0 +1,147 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2022 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.semaphore;
+
+import org.springframework.dao.DataAccessException;
+import org.springframework.data.redis.core.RedisOperations;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.core.SessionCallback;
+import org.springframework.data.redis.core.ZSetOperations;
+
+import javax.annotation.Nonnull;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * @author ehlxr
+ * @since 2022-03-03 11:25.
+ */
+public class RedisSemaphore implements DistributedSemaphore {
+    private static final String SEMAPHORE_TIME_KEY = "budd:semaphore:time:";
+    private static final String SEMAPHORE_OWNER_KEY = "budd:semaphore:owner:";
+    private static final String SEMAPHORE_COUNTER_KEY = "budd:semaphore:counter:";
+    private final RedisTemplate<String, String> redisTemplate;
+    private final String timeKey;
+    private final String ownerKey;
+    private final String counterKey;
+    // 信号量的信息
+    private final SemaphoreInfo info;
+    // 信号量实体
+    private final DistributedSemaphore semaphore;
+    // 身份证明
+    private final String identification;
+
+    public RedisSemaphore(SemaphoreInfo info, RedisTemplate<String, String> redisTemplate,
+                          String identification) {
+        this.info = info;
+        this.redisTemplate = redisTemplate;
+        this.timeKey = SEMAPHORE_TIME_KEY.concat(info.getSemaphoreName());
+        this.ownerKey = SEMAPHORE_OWNER_KEY.concat(info.getSemaphoreName());
+        this.counterKey = SEMAPHORE_COUNTER_KEY.concat(info.getSemaphoreName());
+        this.semaphore = info.isFair() ? new FairSemaphore() : new NonfairSemaphore();
+        this.identification = identification;
+    }
+
+    @Override
+    public boolean tryAcquire() {
+        return semaphore.tryAcquire();
+    }
+
+    @Override
+    public void release() {
+        semaphore.release();
+    }
+
+    private class NonfairSemaphore implements DistributedSemaphore {
+        @Override
+        public boolean tryAcquire() {
+            ZSetOperations<String, String> zsetOps = redisTemplate.opsForZSet();
+            long timeMillis = System.currentTimeMillis();
+            // 先清除过期的信号量
+            zsetOps.removeRangeByScore(timeKey, 0, timeMillis - TimeUnit.SECONDS.toMillis(info.getExpire()));
+            // 尝试获取信号量并比较自身的排名，如果小于许可证的数量则表示获取成功 (redis rank 指令从 0 开始计数)
+            zsetOps.add(timeKey, identification, timeMillis);
+            Long rank = zsetOps.rank(timeKey, identification);
+            if (rank != null && rank < info.getPermits()) {
+                return true;
+            }
+            // 获取失败，删除掉上边添加的标识
+            release();
+            return false;
+        }
+
+        @Override
+        public void release() {
+            redisTemplate.opsForZSet().remove(timeKey, identification);
+        }
+    }
+
+    private class FairSemaphore implements DistributedSemaphore {
+        @Override
+        public boolean tryAcquire() {
+            long timeMillis = System.currentTimeMillis();
+            // 用于获取信号量的计数
+            Long counter = redisTemplate.opsForValue().increment(counterKey, 1);
+            if (counter == null) {
+                return false;
+            }
+            // 用流水线把这一堆命令用一次 IO 全部发过去
+            redisTemplate.executePipelined(new SessionCallback<>() {
+                @Override
+                public Object execute(@Nonnull RedisOperations operations) throws DataAccessException {
+                    ZSetOperations<String, Object> zsetOps = operations.opsForZSet();
+                    // 利用 timeKey 来控制是否过期，ownerKey 控制是否超配额，
+                    // 使用 zset 的 intersectAndStore 在获取信号量之前清理过期数据，同时清理排名集合中的数据
+                    // 清除过期的信号量
+                    zsetOps.removeRangeByScore(timeKey, 0, timeMillis - TimeUnit.SECONDS.toMillis(info.getExpire()));
+                    zsetOps.intersectAndStore(timeKey, ownerKey, ownerKey);
+                    // 尝试获取信号量
+                    zsetOps.add(timeKey, identification, timeMillis);
+                    zsetOps.add(ownerKey, identification, counter);
+                    return null;
+                }
+            });
+            // 这里根据 持有者集合 的分数来进行判断
+            Long ownerRank = redisTemplate.opsForZSet().rank(ownerKey, identification);
+            if (ownerRank != null && ownerRank < info.getPermits()) {
+                return true;
+            }
+            release();
+            return false;
+        }
+
+        @Override
+        public void release() {
+            redisTemplate.executePipelined(new SessionCallback<>() {
+                @Override
+                public Object execute(@Nonnull RedisOperations operations) throws DataAccessException {
+                    ZSetOperations<String, Object> zetOps = operations.opsForZSet();
+                    zetOps.remove(timeKey, identification);
+                    zetOps.remove(ownerKey, identification);
+                    return null;
+                }
+            });
+        }
+    }
+}

budd-common/src/main/java/io/github/ehlxr/semaphore/SemaphoreInfo.java

@@ -0,0 +1,67 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2022 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.semaphore;
+
+/**
+ * @author ehlxr
+ * @since 2022-03-03 11:24.
+ */
+public final class SemaphoreInfo {
+    // 信号量的名称
+    private final String semaphoreName;
+    // 许可证的数量
+    private final int permits;
+    // 信号量最大持有时间 (过期时间) 单位 s
+    private final long expire;
+    // 公平 or 非公平
+    private final boolean fair;
+
+    public SemaphoreInfo(String semaphoreName, int permits, long expire) {
+        this(semaphoreName, permits, expire, false);
+    }
+
+    public SemaphoreInfo(String semaphoreName, int permits, long expire, boolean fair) {
+        this.semaphoreName = semaphoreName;
+        this.permits = permits;
+        this.expire = expire;
+        this.fair = fair;
+    }
+
+    public String getSemaphoreName() {
+        return semaphoreName;
+    }
+
+    public int getPermits() {
+        return permits;
+    }
+
+    public long getExpire() {
+        return expire;
+    }
+
+    public boolean isFair() {
+        return fair;
+    }
+}

budd-common/src/main/java/io/github/ehlxr/util/DateUtil.java

@@ -0,0 +1,323 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.util;
+
+import org.apache.commons.lang3.tuple.ImmutablePair;
+
+import java.time.*;
+import java.time.chrono.ChronoLocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.temporal.TemporalAdjusters;
+import java.util.Collections;
+import java.util.Date;
+import java.util.Map;
+import java.util.WeakHashMap;
+
+/**
+ * 日期操作
+ *
+ * @author ehlxr
+ * @since 2021-08-29 18:32.
+ */
+public class DateUtil {
+    public static final String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
+    public static final String YYYY_MM_DD = "yyyy-MM-dd";
+    public static final String MM_DD = "MM-dd";
+    public static final String HH_MM_SS = "HH:mm:ss";
+
+    // private static final DateTimeFormatter DEFAULT_DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern(YYYY_MM_DD_HH_MM_SS);
+    // private static final DateTimeFormatter DEFAULT_DATE_FORMATTER = DateTimeFormatter.ofPattern(YYYY_MM_DD);
+    // private static final DateTimeFormatter DEFAULT_DATE_NO_YEAR_FORMATTER = DateTimeFormatter.ofPattern(MM_DD);
+    // private static final DateTimeFormatter DEFAULT_TIME_FORMATTER = DateTimeFormatter.ofPattern(HH_MM_SS);
+    private static final Map<String, DateTimeFormatter> PATTEN_FORMATTER_MAPPER = Collections.synchronizedMap(new WeakHashMap<>());
+
+    // static {
+    //     PATTEN_FORMATTER_MAPPER.put(YYYY_MM_DD_HH_MM_SS, DEFAULT_DATE_TIME_FORMATTER);
+    //     PATTEN_FORMATTER_MAPPER.put(YYYY_MM_DD, DEFAULT_DATE_FORMATTER);
+    //     PATTEN_FORMATTER_MAPPER.put(MM_DD, DEFAULT_DATE_NO_YEAR_FORMATTER);
+    //     PATTEN_FORMATTER_MAPPER.put(HH_MM_SS, DEFAULT_TIME_FORMATTER);
+    // }
+
+    private static DateTimeFormatter cacheFormatterAndGet(String patten) {
+        DateTimeFormatter dateTimeFormatter = PATTEN_FORMATTER_MAPPER.get(patten);
+        if (dateTimeFormatter == null) {
+            dateTimeFormatter = DateTimeFormatter.ofPattern(patten).withZone(ZoneId.of("+8"));
+            PATTEN_FORMATTER_MAPPER.put(patten, dateTimeFormatter);
+        }
+        return dateTimeFormatter;
+    }
+
+    /**
+     * @param localDateTime date time
+     * @return yyyy-MM-dd HH:mm:ss
+     */
+    public static String formatLocalDateTime(LocalDateTime localDateTime) {
+        return localDateTime.format(cacheFormatterAndGet(YYYY_MM_DD_HH_MM_SS));
+    }
+
+    /**
+     * @param localDateTime time
+     * @param patten        yyyy-MM-dd HH:mm:ss
+     * @return yyyy-MM-dd HH:mm:ss
+     */
+    public static String formatLocalDateTime(LocalDateTime localDateTime, String patten) {
+        DateTimeFormatter dateTimeFormatter = cacheFormatterAndGet(patten);
+        return localDateTime.format(dateTimeFormatter);
+    }
+
+    /**
+     * @param localDate date
+     * @param patten    only date patten
+     * @return yyyy-MM-dd
+     */
+    public static String formatLocalDate(LocalDate localDate, String patten) {
+        DateTimeFormatter dateTimeFormatter = cacheFormatterAndGet(patten);
+        return localDate.format(dateTimeFormatter);
+    }
+
+    /**
+     * @param localDate localDate
+     * @return yyyy-MM-dd
+     */
+    public static String formatLocalDate(LocalDate localDate) {
+        return localDate.format(cacheFormatterAndGet(YYYY_MM_DD));
+    }
+
+    /**
+     * @param localTime localTime
+     * @param patten    patten
+     * @return HH:mm:ss
+     */
+    public static String formatLocalTime(LocalTime localTime, String patten) {
+        DateTimeFormatter dateTimeFormatter = cacheFormatterAndGet(patten);
+        return localTime.format(dateTimeFormatter);
+    }
+
+    /**
+     * @param localTime localTime
+     * @return HH:mm:ss
+     */
+    public static String formatLocalTime(LocalTime localTime) {
+        return localTime.format(cacheFormatterAndGet(HH_MM_SS));
+    }
+
+    /**
+     * @param date   date time
+     * @param patten patten
+     * @return yyyy-MM-dd HH:mm:ss
+     */
+    public static String format(Date date, String patten) {
+        Instant instant = date.toInstant();
+        LocalDateTime localDateTime = LocalDateTime.ofInstant(instant, ZoneId.of("+8"));
+        return localDateTime.format(cacheFormatterAndGet(patten));
+    }
+
+    /**
+     * @param date date
+     * @return yyyy-MM-dd HH:mm:ss
+     */
+    public static String format(Date date) {
+        return format(date, YYYY_MM_DD_HH_MM_SS);
+    }
+
+    /**
+     * @param date date
+     * @return yyyy-MM-dd
+     */
+    public static String formatDate(Date date) {
+        return format(date, YYYY_MM_DD);
+    }
+
+    /**
+     * @param date date
+     * @return HH:mm:ss
+     */
+    public static String formatTime(Date date) {
+        return format(date, HH_MM_SS);
+    }
+
+    /**
+     * @param mills mills
+     * @return yyyy-MM-dd HH:mm:ss
+     */
+    public static String formatMills(long mills, String patten) {
+        Instant instant = Instant.ofEpochMilli(mills);
+        LocalDateTime localDateTime = LocalDateTime.ofInstant(instant, ZoneId.of("+8"));
+        return formatLocalDateTime(localDateTime, patten);
+    }
+
+    /**
+     * @param mills mills
+     * @return yyyy-MM-dd HH:mm:ss
+     */
+    public static String formatMills(long mills) {
+        return formatMills(mills, YYYY_MM_DD_HH_MM_SS);
+    }
+
+    /**
+     * @param mills mills
+     * @return yyyy-MM-dd
+     */
+    public static String formatMillsDate(long mills) {
+        return formatMills(mills, YYYY_MM_DD);
+    }
+
+    /**
+     * @param date date
+     * @return HH:mm:ss
+     */
+    public static String formatMillsTime(long date) {
+        return formatMills(date, HH_MM_SS);
+    }
+
+    /**
+     * @param date yyyy-MM-dd HH:mm:ss
+     * @return Date
+     */
+    public static Date parse(String date) {
+        LocalDateTime localDateTime = parseToLocalDateTime(date);
+        Instant instant = localDateTime.toInstant(OffsetDateTime.now().getOffset());
+        return Date.from(instant);
+    }
+
+    /**
+     * @param date   string date
+     * @param patten formatter patten
+     * @return LocalDateTime
+     */
+    public static LocalDateTime parseToLocalDateTime(String date, String patten) {
+        return LocalDateTime.parse(date, DateTimeFormatter.ofPattern(patten));
+    }
+
+    /**
+     * @param date yyyy-MM-dd HH:mm:ss
+     * @return LocalDateTime
+     */
+    public static LocalDateTime parseToLocalDateTime(String date) {
+        return LocalDateTime.parse(date, cacheFormatterAndGet(YYYY_MM_DD_HH_MM_SS));
+    }
+
+    /**
+     * @param date yyyy-MM-dd HH:mm:ss
+     * @return milliseconds
+     */
+    public static Long parseToMillis(String date) {
+        return parseToMillis(date, YYYY_MM_DD_HH_MM_SS);
+    }
+
+    /**
+     * @param date   string date
+     * @param patten formatter patten
+     * @return milliseconds
+     */
+    public static Long parseToMillis(String date, String patten) {
+        return toInstant(LocalDateTime.parse(date, cacheFormatterAndGet(patten))).toEpochMilli();
+    }
+
+    /**
+     * @param date yyyy-MM-dd
+     * @return LocalDate
+     */
+    public static LocalDate parseToLocalDate(String date) {
+        return LocalDate.parse(date, cacheFormatterAndGet(YYYY_MM_DD));
+    }
+
+    /**
+     * @param date HH:mm:ss
+     * @return LocalTime
+     */
+    public static LocalTime parseToLocalTime(String date) {
+        return LocalTime.parse(date, cacheFormatterAndGet(HH_MM_SS));
+    }
+
+    /**
+     * @param dayStart date
+     * @param dayEnd   date
+     */
+    public static Period betweenDays(Date dayStart, Date dayEnd) {
+        LocalDateTime localDateTimeStart = LocalDateTime.ofInstant(dayStart.toInstant(), OffsetDateTime.now().getOffset());
+        LocalDateTime localDateTimeEnd = LocalDateTime.ofInstant(dayEnd.toInstant(), OffsetDateTime.now().getOffset());
+        return Period.between(localDateTimeStart.toLocalDate(), localDateTimeEnd.toLocalDate());
+    }
+
+    /**
+     * @param dayStart date
+     * @param dayEnd   date
+     */
+    public static Duration betweenTimes(Date dayStart, Date dayEnd) {
+        LocalDateTime localDateTimeStart = LocalDateTime.ofInstant(dayStart.toInstant(), OffsetDateTime.now().getOffset());
+        LocalDateTime localDateTimeEnd = LocalDateTime.ofInstant(dayEnd.toInstant(), OffsetDateTime.now().getOffset());
+        return Duration.between(localDateTimeStart, localDateTimeEnd);
+    }
+
+    /**
+     * @param dayStart date
+     * @param dayEnd   date
+     */
+    public static Period betweenDays(String dayStart, String dayEnd) {
+        return Period.between(parseToLocalDate(dayStart), parseToLocalDate(dayEnd));
+    }
+
+    /**
+     * @param dayStart date
+     * @param dayEnd   date
+     */
+    public static Duration betweenTimes(String dayStart, String dayEnd) {
+        return Duration.between(parseToLocalDateTime(dayStart), parseToLocalDateTime(dayEnd));
+    }
+
+    /**
+     * 每月开始、结束毫秒时间戳
+     */
+    public static ImmutablePair<Long, Long> firstAndLastMillisOfMonth() {
+        LocalDate today = LocalDate.now();
+        Long firstDay = toInstant(LocalDateTime.of(today.with(TemporalAdjusters.firstDayOfMonth()), LocalTime.MIN)).toEpochMilli();
+        Long lastDay = toInstant(LocalDateTime.of(today.with(TemporalAdjusters.lastDayOfMonth()), LocalTime.MAX)).toEpochMilli();
+        return ImmutablePair.of(firstDay, lastDay);
+    }
+
+    public static Instant toInstant(ChronoLocalDateTime<?> d) {
+        return d.toInstant(ZoneOffset.of("+8"));
+    }
+
+    /**
+     * 当前秒级别时间戳
+     *
+     * @return 10 位时间戳
+     */
+    public static Long currentTimeSecond() {
+        return toInstant(LocalDateTime.now()).getEpochSecond();
+    }
+
+    /**
+     * 之前的多少天
+     *
+     * @param days 之前的天数
+     * @return yyyy-MM-dd
+     */
+    public static String beforeDay(long days) {
+        return formatLocalDate(LocalDate.now().minusDays(days));
+    }
+}

budd-common/src/main/java/io/github/ehlxr/util/HttpUtil.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2021 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,25 +22,62 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.utils;
+package io.github.ehlxr.util;
 
 import com.google.common.collect.Maps;
+import io.github.ehlxr.enums.FormType;
+import io.github.ehlxr.enums.HttpContentType;
 import okhttp3.*;
 
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
 import java.io.File;
+import java.security.SecureRandom;
+import java.security.cert.X509Certificate;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
+
 /**
  * @author ehlxr
  * @since 2020/4/20.
  */
 public class HttpUtil {
-    private static final OkHttpClient OK_HTTP_CLIENT = new OkHttpClient.Builder()
+    private static OkHttpClient client = new OkHttpClient.Builder()
             .connectTimeout(1, TimeUnit.MINUTES)
             .readTimeout(1, TimeUnit.MINUTES)
             .build();
 
+    public static void trustAllClient() {
+        Try.of(() -> {
+            X509TrustManager x509TrustManager = new X509TrustManager() {
+                @Override
+                public void checkClientTrusted(X509Certificate[] chain, String authType) {
+                }
+
+                @Override
+                public void checkServerTrusted(X509Certificate[] chain, String authType) {
+                }
+
+                @Override
+                public X509Certificate[] getAcceptedIssuers() {
+                    return new X509Certificate[]{};
+                }
+            };
+
+            SSLContext sslContext = SSLContext.getInstance("TLS");
+            sslContext.init(null, new TrustManager[]{x509TrustManager}, new SecureRandom());
+
+            client = new OkHttpClient.Builder()
+                    .connectTimeout(1, TimeUnit.MINUTES)
+                    .readTimeout(1, TimeUnit.MINUTES)
+                    .sslSocketFactory(sslContext.getSocketFactory(), x509TrustManager)
+                    .hostnameVerifier((s, sslSession) -> true)
+                    .build();
+        }).trap(Throwable::printStackTrace).run();
+    }
+
     public static String get(String url, Map<String, String> headers) {
         String resp;
         try {
@@ -48,7 +85,7 @@ public class HttpUtil {
                     .url(url)
                     .headers(Headers.of(headers))
                     .build();
-            Response response = OK_HTTP_CLIENT.newCall(request).execute();
+            Response response = client.newCall(request).execute();
             if (response.isSuccessful()) {
                 resp = response.body() != null ? response.body().string() : "";
             } else {
@@ -75,7 +112,7 @@ public class HttpUtil {
                     .post(RequestBody.create(mediaType, body))
                     .build();
 
-            Response response = OK_HTTP_CLIENT.newCall(request).execute();
+            Response response = client.newCall(request).execute();
             if (response.isSuccessful()) {
                 resp = response.body() != null ? response.body().string() : "";
             } else {
@@ -117,7 +154,7 @@ public class HttpUtil {
                     .post(builder.build())
                     .headers(Headers.of(header))
                     .build();
-            Response response = OK_HTTP_CLIENT.newCall(request).execute();
+            Response response = client.newCall(request).execute();
             if (response.isSuccessful()) {
                 resp = response.body() != null ? response.body().string() : "";
             } else {
@@ -136,5 +173,9 @@ public class HttpUtil {
 
         return sb.substring(0, sb.length() - 1);
     }
+
+    public static void main(String[] args) {
+        HttpUtil.trustAllClient();
+    }
 }
 

budd-common/src/main/java/io/github/ehlxr/util/IdUtil.java

@@ -0,0 +1,108 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.util;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.stereotype.Component;
+
+import java.time.LocalDateTime;
+import java.time.ZoneOffset;
+import java.time.format.DateTimeFormatter;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * 自增 id 生成工具类
+ *
+ * @author ehlxr
+ * @since 2021-08-29 18:32.
+ */
+@Component
+public class IdUtil {
+    private final static String REDIS_ID_KEY = "com.tzld.piaoquan.incentive_";
+    /**
+     * 每一毫秒生成的最大数
+     */
+    private static final int MAX_NUN = 99;
+    private static final AtomicInteger ATOMIC_NUM = new AtomicInteger();
+    private static RedisTemplate<String, String> redisTemplate;
+    private static String cur_date;
+
+    public static long redisId() {
+        // 生成 17 位的时间戳(每毫秒使用新的时间戳当key)
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMMddHHmmssSSS");
+        String timeStamp = LocalDateTime.now(ZoneOffset.of("+8")).format(formatter);
+        // 获得 redis-key
+        String newKey = String.format("%s:%s", REDIS_ID_KEY, timeStamp);
+        // 获取自增值（时间戳 + 自定义 key）
+        Long increment = redisTemplate.opsForValue().increment(newKey, 1);
+        // 设置时间戳生成的 key 的有效期为 1 秒
+        redisTemplate.expire(newKey, 1, TimeUnit.SECONDS);
+        // 获取订单号，时间戳 + 唯一自增 Id(2 位数,不过前方补 0)
+        return Long.parseLong(String.format("%s%02d", timeStamp, increment));
+    }
+
+    // @Autowired
+    // public IdUtil(RedisTemplate<String, Object> redisTemplate) {
+    //     IdUtil.redisTemplate = redisTemplate;
+    // }
+
+    /**
+     * 生成 19 位数 id
+     * <p>
+     * 17 位日期 + 2 位自增数<br>
+     * 一毫秒最多生成 MAX_NUN 个 id，同一毫秒 id 有序自增
+     */
+    public static long localId() {
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMMddHHmmssSSS");
+        String nowStr = LocalDateTime.now(ZoneOffset.of("+8")).format(formatter);
+
+        // 如果当前时间不是  cur_date 时间 设置 cur_date 为当前时间 重新开始计数
+        if (!nowStr.equals(cur_date)) {
+            cur_date = nowStr;
+
+            ATOMIC_NUM.set(0);
+        }
+        // 如果同一毫秒最大数大于 最大数 MAX_NUN 则等待 1 毫秒 重新计算
+        if (ATOMIC_NUM.get() >= MAX_NUN) {
+            try {
+                Thread.sleep(1);
+            } catch (InterruptedException ignored) {
+            }
+
+            nowStr = LocalDateTime.now(ZoneOffset.of("+8")).format(formatter);
+            ATOMIC_NUM.set(0);
+        }
+
+        // 线程安全的原子操作，所以此方法无需同步 调用 incrementAndGet 函数来进行自增操作
+        return Long.parseLong(String.format("%s%02d", nowStr, ATOMIC_NUM.incrementAndGet()));
+    }
+
+    @Autowired
+    public void setRedisTemplate(RedisTemplate<String, String> redisTemplate) {
+        IdUtil.redisTemplate = redisTemplate;
+    }
+}

budd-common/src/main/java/io/github/ehlxr/util/JsonUtils.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2021 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,7 +22,7 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.utils;
+package io.github.ehlxr.util;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.core.JsonProcessingException;
@@ -30,6 +30,7 @@ import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.*;
 import com.google.common.base.Strings;
 import com.google.common.collect.ImmutableMap;
+import io.github.ehlxr.exception.JsonParseException;
 
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
@@ -75,7 +76,7 @@ public class JsonUtils {
         try {
             return OBJECT_MAPPER.readTree(obj2String(obj));
         } catch (JsonProcessingException e) {
-            throw new RuntimeException(e);
+            throw new JsonParseException(e);
         }
     }
 
@@ -93,7 +94,7 @@ public class JsonUtils {
         try {
             return obj instanceof String ? (String) obj : OBJECT_MAPPER.writeValueAsString(obj);
         } catch (JsonProcessingException e) {
-            throw new RuntimeException(e);
+            throw new JsonParseException(e);
         }
     }
 
@@ -111,7 +112,7 @@ public class JsonUtils {
         try {
             return obj instanceof String ? (String) obj : OBJECT_MAPPER.writerWithDefaultPrettyPrinter().writeValueAsString(obj);
         } catch (JsonProcessingException e) {
-            throw new RuntimeException(e);
+            throw new JsonParseException(e);
         }
     }
 
@@ -130,7 +131,7 @@ public class JsonUtils {
         try {
             return clazz.equals(String.class) ? (T) str : OBJECT_MAPPER.readValue(str, clazz);
         } catch (JsonProcessingException e) {
-            throw new RuntimeException(e);
+            throw new JsonParseException(e);
         }
     }
 
@@ -149,7 +150,7 @@ public class JsonUtils {
         try {
             return typeReference.getType().equals(String.class) ? (T) str : OBJECT_MAPPER.readValue(str, typeReference);
         } catch (JsonProcessingException e) {
-            throw new RuntimeException(e);
+            throw new JsonParseException(e);
         }
     }
 
@@ -167,7 +168,7 @@ public class JsonUtils {
         try {
             return OBJECT_MAPPER.readValue(str, javaType);
         } catch (JsonProcessingException e) {
-            throw new RuntimeException(e);
+            throw new JsonParseException(e);
         }
     }
 
@@ -246,4 +247,3 @@ public class JsonUtils {
     }
 }
 
-

budd-common/src/main/java/io/github/ehlxr/util/MyBloomFilter.java

@@ -0,0 +1,127 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.util;
+
+import java.util.BitSet;
+
+/**
+ * @author ehlxr
+ * @since 2021-12-16 09:36.
+ */
+public class MyBloomFilter {
+    /**
+     * 一个长度为10 亿的比特位
+     */
+    private static final int DEFAULT_SIZE = 256 << 22;
+
+    /**
+     * 为了降低错误率，使用加法hash算法，所以定义一个8个元素的质数数组
+     */
+    private static final int[] SEEDS = {3, 5, 7, 11, 13, 31, 37, 61};
+
+    /**
+     * 相当于构建 8 个不同的hash算法
+     */
+    private static final HashFunction[] HASH_FUNCS = new HashFunction[SEEDS.length];
+
+    /**
+     * 初始化布隆过滤器的 bitmap
+     */
+    private static final BitSet BIT_SET = new BitSet(DEFAULT_SIZE);
+
+    /**
+     * 添加数据
+     *
+     * @param value 需要加入的值
+     */
+    public static void add(String value) {
+        if (value != null) {
+            for (HashFunction f : HASH_FUNCS) {
+                //计算 hash 值并修改 bitmap 中相应位置为 true
+                BIT_SET.set(f.hash(value), true);
+            }
+        }
+    }
+
+    /**
+     * 判断相应元素是否存在
+     *
+     * @param value 需要判断的元素
+     * @return 结果
+     */
+    public static boolean contains(String value) {
+        if (value == null) {
+            return false;
+        }
+        boolean ret = true;
+        for (HashFunction f : HASH_FUNCS) {
+            ret = BIT_SET.get(f.hash(value));
+            //一个 hash 函数返回 false 则跳出循环
+            if (!ret) {
+                break;
+            }
+        }
+        return ret;
+    }
+
+    /**
+     * 模拟用户是不是会员，或用户在不在线。。。
+     */
+    public static void main(String[] args) {
+        for (int i = 0; i < SEEDS.length; i++) {
+            HASH_FUNCS[i] = new HashFunction(DEFAULT_SIZE, SEEDS[i]);
+        }
+
+        // 添加1亿数据
+        for (int i = 0; i < 1_0000_0000; i++) {
+            add(String.valueOf(i));
+        }
+        String id = "123456789";
+        add(id);
+
+        System.out.println(contains(id));   // true
+        System.out.println("" + contains("234567890"));  //false
+    }
+}
+
+class HashFunction {
+    private final int size;
+    private final int seed;
+
+    public HashFunction(int size, int seed) {
+        this.size = size;
+        this.seed = seed;
+    }
+
+    public int hash(String value) {
+        int result = 0;
+        int len = value.length();
+        for (int i = 0; i < len; i++) {
+            result = seed * result + value.charAt(i);
+        }
+        int r = (size - 1) & result;
+        return (size - 1) & result;
+    }
+}

budd-common/src/main/java/io/github/ehlxr/util/RedisUtil.java

@@ -0,0 +1,312 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.util;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.ListOperations;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.core.script.DefaultRedisScript;
+import org.springframework.data.redis.core.script.RedisScript;
+import org.springframework.scripting.support.StaticScriptSource;
+import org.springframework.stereotype.Component;
+
+import java.util.Collections;
+import java.util.Objects;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * redis 操作
+ *
+ * @author ehlxr
+ * @since 2021-08-29 18:32.
+ */
+@Component
+public class RedisUtil {
+    private static final Logger log = LoggerFactory.getLogger(RedisUtil.class);
+
+    /**
+     * 解锁 lua 脚本
+     */
+    private static final String UNLOCK = "if (redis.call('hexists', KEYS[1], ARGV[1]) == 0) then " +
+            "return nil; " +
+            "end; " +
+            "local counter = redis.call('hincrby', KEYS[1], ARGV[1], -1); " +
+            "if (counter > 0) then " +
+            "return 0; " +
+            "else " +
+            "redis.call('del', KEYS[1]); " +
+            "return 1; " +
+            "end; " +
+            "return nil;";
+    /**
+     * 锁前缀
+     */
+    private static final String LOCK_PREFIX = "LOCK_";
+    /**
+     * 默认重试次数
+     */
+    private static final Integer DEFAULT_RETRIES = 1;
+    /**
+     * 默认 10毫秒
+     */
+    private static final Long DEFAULT_INTERVAL = 10L;
+    /**
+     * 加锁 lua 脚本
+     */
+    private static final String LOCK = "if (redis.call('exists', KEYS[1]) == 0) then " +
+            "redis.call('hset', KEYS[1], ARGV[2], 1); " +
+            "redis.call('pexpire', KEYS[1], ARGV[1]); " +
+            "return 1; " +
+            "end; " +
+            "if (redis.call('hexists', KEYS[1], ARGV[2]) == 1) then " +
+            "redis.call('hincrby', KEYS[1], ARGV[2], 1); " +
+            "redis.call('pexpire', KEYS[1], ARGV[1]); " +
+            "return 1; " +
+            "end; " +
+            "return 0;";
+    private static RedisTemplate<String, String> redisTemplate;
+
+    /**
+     * 释放分布式锁时使用的 lua 脚本，保证原子性
+     * <p>
+     * if (redis.call('get', KEYS[1]) == ARGV[1])
+     * then
+     * return redis.call('del', KEYS[1])
+     * else
+     * return 0
+     * end
+     */
+    private static final String RELEASE_LOCK_LUA = "if (redis.call('get', KEYS[1]) == ARGV[1]) then return redis.call('del', KEYS[1]) else return 0 end";
+
+    /**
+     * 滑动窗口限流使用的 lua 脚本，保证原子性
+     * <p>
+     * local key = KEYS[1];
+     * local index = tonumber(ARGV[1]);
+     * local time_window = tonumber(ARGV[2]);
+     * local now_time = tonumber(ARGV[3]);
+     * local far_time = redis.call('lindex', key, index);
+     * if (not far_time)
+     * then
+     * redis.call('lpush', key, now_time);
+     * redis.call('pexpire', key, time_window+1000);
+     * return 1;
+     * end
+     * if (now_time - far_time > time_window)
+     * then
+     * redis.call('rpop', key);
+     * redis.call('lpush', key, now_time);
+     * redis.call('pexpire', key, time_window+1000);
+     * return 1;
+     * else
+     * return 0;
+     * end
+     */
+    private static final String SLIDE_WINDOW_LUA = "local key = KEYS[1];\n" + "local index = tonumber(ARGV[1]);\n" + "local time_window = tonumber(ARGV[2]);\n" + "local now_time = tonumber(ARGV[3]);\n" + "local far_time = redis.call('lindex', key, index);\n" + "if (not far_time)\n" + "then\n" + "  redis.call('lpush', key, now_time);\n" + "  redis.call('pexpire', key, time_window+1000);\n" + "  return 1;\n" + "end\n" + "\n" + "if (now_time - far_time > time_window)\n" + "then\n" + "  redis.call('rpop', key);\n" + "  redis.call('lpush', key, now_time);\n" + "  redis.call('pexpire', key, time_window+1000);\n" + "  return 1;\n" + "else\n" + "  return 0;\n" + "end";
+
+    /**
+     * 获取分布式锁
+     *
+     * @param key        key
+     * @param value      value，需要保证全局唯一，用来删除分布式锁时判断身份使用
+     * @param expireTime 锁过期时间，毫秒，防止业务崩溃未删除锁，导致死锁
+     * @return 是否获取成功锁
+     */
+    public static boolean getDistributedLock(String key, String value, long expireTime) {
+        boolean result = false;
+        try {
+            Boolean set = redisTemplate.opsForValue().setIfAbsent(key, value, expireTime, TimeUnit.MILLISECONDS);
+            result = set == null || set;
+            log.info("getLock redis key: {}, value: {}, expireTime: {}, result: {}", key, value, expireTime, result);
+        } catch (Exception e) {
+            log.error("getLock redis key: {}, value: {}, expireTime: {}", key, value, expireTime, e);
+        }
+        return result;
+    }
+
+    /**
+     * 释放分布式锁
+     *
+     * @param key   key
+     * @param value value，需要和获取锁时传入的一致
+     * @return 是否释放成功锁
+     */
+    public static boolean releaseDistributedLock(String key, String value) {
+        Long execute = null;
+        try {
+            RedisScript<Long> redisScript = new DefaultRedisScript<>(RELEASE_LOCK_LUA, Long.class);
+            execute = redisTemplate.execute(redisScript, Collections.singletonList(key), value);
+            log.debug("releaseLock redis key: {}, value: {}, result: {}", key, value, execute);
+        } catch (Exception e) {
+            log.error("releaseLock redis key: {}, value: {}", key, value, e);
+        }
+        return Long.valueOf(1L).equals(execute);
+    }
+
+    /**
+     * 分布式限流队列，在时间窗口内（包含该时间点），判断是否达到限流的阀值
+     * 本接口实现的方法通过加锁避免并发问题，性能不高。只是为了说明限流逻辑如何实现
+     *
+     * @param key        key
+     * @param count      限流阀值
+     * @param timeWindow 限流时间窗口
+     * @return 是否允许通过（通过即不进行限流）
+     */
+    public static synchronized boolean slideWindow(String key, int count, long timeWindow) {
+        try {
+            long nowTime = System.currentTimeMillis();
+            ListOperations<String, String> list = redisTemplate.opsForList();
+            String farTime = list.index(key, count - 1);
+            if (farTime == null) {
+                list.leftPush(key, String.valueOf(nowTime));
+                redisTemplate.expire(key, timeWindow + 1000L, TimeUnit.MILLISECONDS);
+                return true;
+            }
+            if (nowTime - Long.parseLong(farTime) > timeWindow) {
+                list.rightPop(key);
+                list.leftPush(key, String.valueOf(nowTime));
+                redisTemplate.expire(key, timeWindow + 1000L, TimeUnit.MILLISECONDS);
+                return true;
+            }
+            return false;
+        } catch (Exception e) {
+            log.error("", e);
+            return false;
+        }
+    }
+
+    /**
+     * 分布式限流队列，在时间窗口内（包含该时间点），判断是否达到限流的阀值
+     * 本接口实现的方法通过 Lua 脚本避免并发问题，性能较高。
+     *
+     * @param key        key
+     * @param count      限流阀值
+     * @param timeWindow 限流时间窗口
+     * @return 是否允许通过（通过即不进行限流）
+     */
+    public static boolean slideWindowLua(String key, int count, long timeWindow) {
+        if (count <= 0 || timeWindow <= 0) {
+            return false;
+        }
+        Long execute = null;
+        try {
+            RedisScript<Long> redisScript = new DefaultRedisScript<>(SLIDE_WINDOW_LUA, Long.class);
+            execute = redisTemplate.execute(redisScript, Collections.singletonList(key), String.valueOf(count - 1), String.valueOf(timeWindow), String.valueOf(System.currentTimeMillis()));
+            log.debug("slideWindowLua redis key: {}, count: {}, timeWindow: {}, result: {}", key, count, timeWindow, execute);
+        } catch (Exception e) {
+            log.error("slideWindowLua redis key: {}, count: {}, timeWindow: {}", key, count, timeWindow, e);
+        }
+        return Long.valueOf(1L).equals(execute);
+    }
+
+    /**
+     * 加锁 不可重入
+     *
+     * @param timeout 毫秒
+     */
+    public static Boolean lock(String key, long timeout) {
+        return redisTemplate.opsForValue().setIfAbsent(LOCK_PREFIX + key, "1", timeout, TimeUnit.MILLISECONDS);
+    }
+
+    /**
+     * 解锁 不可重入
+     */
+    public static Boolean unlock(String key) {
+        return redisTemplate.delete(LOCK_PREFIX + key);
+    }
+
+    /**
+     * 加锁
+     *
+     * @param reentrantId 重入Id
+     *                    超时时间 毫秒ms
+     */
+    public static Boolean lock(String key, String reentrantId, long timeout) {
+        return lock(key, reentrantId, timeout, DEFAULT_RETRIES);
+    }
+
+    /**
+     * 加锁
+     *
+     * @param reentrantId 重入Id
+     *                    超时时间 毫秒ms
+     * @param retries     重试次数
+     */
+    public static Boolean lock(String key, String reentrantId, long timeout, int retries) {
+        return lock(key, reentrantId, timeout, retries, DEFAULT_INTERVAL);
+    }
+
+    /**
+     * 加锁
+     *
+     * @param reentrantId 重入Id
+     *                    超时时间 毫秒ms
+     * @param retries     重试次数
+     * @param interval    每次重试间隔时间 毫秒
+     */
+    public static Boolean lock(String key, String reentrantId, long timeout, int retries, long interval) {
+        String lockKey = LOCK_PREFIX + key;
+        DefaultRedisScript<Long> script = new DefaultRedisScript<>();
+        script.setResultType(Long.class);
+        script.setScriptSource(new StaticScriptSource(LOCK));
+        for (int i = 0; i < retries; i++) {
+            Object result = redisTemplate.execute(script, Collections.singletonList(lockKey), String.valueOf(timeout), reentrantId);
+            if (Objects.nonNull(result) && Objects.equals(1L, Long.valueOf(result.toString()))) {
+                return true;
+            }
+            try {
+                TimeUnit.MILLISECONDS.sleep(interval);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+                return null;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * 解锁
+     *
+     * @param reentrantId 重入ID
+     */
+    public static Boolean unlock(String key, String reentrantId) {
+        String lockKey = LOCK_PREFIX + key;
+        DefaultRedisScript<Long> script = new DefaultRedisScript<>();
+        script.setResultType(Long.class);
+        script.setScriptSource(new StaticScriptSource(UNLOCK));
+        Object result = redisTemplate.execute(script, Collections.singletonList(lockKey), reentrantId);
+        if (Objects.isNull(result)) {
+            return null;
+        }
+        return Objects.equals(1L, Long.valueOf(result.toString()));
+    }
+
+    @Autowired
+    public void setRedisTemplate(RedisTemplate<String, String> redisTemplate) {
+        RedisUtil.redisTemplate = redisTemplate;
+    }
+}

budd-common/src/main/java/io/github/ehlxr/util/SendAlarmUtil.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2020 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,9 +22,11 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.utils;
+package io.github.ehlxr.util;
 
 import com.google.common.collect.ImmutableMap;
+import io.github.ehlxr.common.Constant;
+import org.slf4j.MDC;
 
 import java.util.Objects;
 import java.util.concurrent.CompletableFuture;
@@ -48,11 +50,11 @@ public class SendAlarmUtil {
     /**
      * 异步发送预警信息
      *
-     * @param msg    预警信息
-     * @param action {@link BiConsumer} 完成后回调函数式接口
+     * @param message 预警信息
+     * @param action  {@link BiConsumer} 完成后回调函数式接口
      */
-    public static void send(String msg, BiConsumer<? super String, ? super Throwable> action) {
-        // String msg = String.format("%s\ntraceid: %s", msg, MDC.get(Constants.LOG_TRACE_ID));
+    public static void send(String message, BiConsumer<? super String, ? super Throwable> action) {
+        String msg = String.format("%s\ntraceid: %s", message, MDC.get(Constant.LOG_TRACE_ID));
 
         CompletableFuture.supplyAsync(() -> {
                     Objects.requireNonNull(dingtalkUrl, "SendAlarmUtil not init.");
@@ -79,10 +81,10 @@ public class SendAlarmUtil {
                 .trap(System.out::println)
                 .run();
 
-        send("dsfsdf",
+        send("hello",
                 (t, u) -> System.out.println("send exception message to dingtalk result " + t + ". " + u));
 
-        System.out.println("000000");
+        System.out.println("do other something....");
 
         Thread.sleep(2000);
     }

budd-common/src/main/java/io/github/ehlxr/util/Try.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2020 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,7 +22,7 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.utils;
+package io.github.ehlxr.util;
 
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.google.common.collect.ImmutableMap;
@@ -84,6 +84,163 @@ public interface Try {
         return new TryRunnable(runnable);
     }
 
+    @SuppressWarnings({"ConstantConditions", "Convert2MethodRef"})
+    static void main(String[] args) {
+        System.out.println("------------有返回值，无入参----------------");
+        // 有返回值，无入参
+        String param = "hello";
+        Long result = Try.of(() -> Long.valueOf(param)).get(0L);
+        System.out.println("Long.valueOf 1: " + result);
+
+        result = Try.of(() -> Long.valueOf(param)).get();
+        System.out.println("Long.valueOf 2: " + result);
+
+        System.out.println("------------有返回值，有入参----------------");
+        // 有返回值，有入参
+        result = Try.<Map<String, String>, Long>of(s -> Long.valueOf(s.get("k1")))
+                .apply(ImmutableMap.of("k1", param))
+                .trap(e -> System.out.println("Long.valueOf exception: " + e.getMessage()))
+                .andFinally(() -> System.out.println("This message will ignore."))
+                .andFinally(s -> {
+                    Map<String, Object> returnMap = JsonUtils.string2Obj(JsonUtils.obj2String(s), new TypeReference<Map<String, Object>>() {
+                    });
+                    System.out.println("Long.valueOf finally run code." + s);
+                    // 演示抛异常
+                    String k2 = returnMap.get("k2").toString();
+                    System.out.println(k2);
+                })
+                .finallyTrap(e -> System.out.println("Long.valueOf finally exception: " + e.getMessage()))
+                .get();
+        System.out.println("Long.valueOf 3: " + result);
+
+        ArrayList<String> list = null;
+
+        System.out.println("-----------无返回值，无入参-----------------");
+        // 无返回值，无入参
+        Try.of(() -> Thread.sleep(-1L))
+                .andFinally(() -> list.clear())
+                // .andFinally(list::clear) //https://stackoverflow.com/questions/37413106/java-lang-nullpointerexception-is-thrown-using-a-method-reference-but-not-a-lamb
+                .run();
+
+        System.out.println("--------------无返回值，有入参--------------");
+        // 无返回值，有入参
+        Try.<String>of(v -> list.add(0, v))
+                .andFinally(s -> System.out.println(s))
+                .accept("hello");
+    }
+
+    class TryRunnable extends Tryable<TryRunnable> {
+        private final ThrowableRunnable runnable;
+
+        protected TryRunnable(ThrowableRunnable runnable) {
+            Objects.requireNonNull(runnable, "No runnable present");
+            this.runnable = runnable;
+
+            super.c = this;
+        }
+
+        /**
+         * 计算结果
+         */
+        public void run() {
+            try {
+                runnable.run();
+            } catch (final Throwable e) {
+                Optional.ofNullable(throwConsumer).ifPresent(tc -> tc.accept(e));
+            } finally {
+                doFinally();
+            }
+        }
+    }
+
+    class TrySupplier<R> extends Tryable<TrySupplier<R>> {
+        private final ThrowableSupplier<? extends R> supplier;
+
+        protected TrySupplier(ThrowableSupplier<? extends R> supplier) {
+            Objects.requireNonNull(supplier, "No supplier present");
+            this.supplier = supplier;
+
+            super.c = this;
+        }
+
+        /**
+         * 如果有异常返回默认值，否则返回计算结果
+         *
+         * @param r 指定默认值
+         * @return 实际值或默认值
+         */
+        public R get(R r) {
+            try {
+                return supplier.get();
+            } catch (final Throwable e) {
+                Optional.ofNullable(throwConsumer).ifPresent(tc -> tc.accept(e));
+                return r;
+            } finally {
+                doFinally();
+            }
+        }
+
+        /**
+         * 如果有异常返回 null，否则返回计算结果
+         *
+         * @return 实际值或 null
+         */
+        public R get() {
+            try {
+                return supplier.get();
+            } catch (final Throwable e) {
+                Optional.ofNullable(throwConsumer).ifPresent(tc -> tc.accept(e));
+                return null;
+            } finally {
+                doFinally();
+            }
+        }
+    }
+
+    @FunctionalInterface
+    interface ThrowableConsumer<P> {
+        /**
+         * Performs this operation on the given argument.
+         *
+         * @param p the input argument
+         * @throws Throwable throwable
+         */
+        void accept(P p) throws Throwable;
+    }
+
+    @FunctionalInterface
+    interface ThrowableSupplier<R> {
+        /**
+         * Gets a result.
+         *
+         * @return a result
+         * @throws Throwable throwable
+         */
+        R get() throws Throwable;
+    }
+
+    @FunctionalInterface
+    interface ThrowableRunnable {
+        /**
+         * Performs this operation
+         *
+         * @throws Throwable throwable
+         */
+        void run() throws Throwable;
+    }
+
+    @FunctionalInterface
+    interface ThrowableFunction<P, R> {
+        /**
+         * Applies this function to the given argument.
+         *
+         * @param p the function argument
+         * @return the function result
+         * @throws Throwable throwable
+         */
+        R apply(P p) throws Throwable;
+    }
+
     abstract class Tryable<C> {
         Consumer<? super Throwable> throwConsumer;
         ThrowableRunnable finallyRunnable;
@@ -175,74 +332,6 @@ public interface Try {
         }
     }
 
-    class TryRunnable extends Tryable<TryRunnable> {
-        private final ThrowableRunnable runnable;
-
-        protected TryRunnable(ThrowableRunnable runnable) {
-            Objects.requireNonNull(runnable, "No runnable present");
-            this.runnable = runnable;
-
-            super.c = this;
-        }
-
-        /**
-         * 计算结果
-         */
-        public void run() {
-            try {
-                runnable.run();
-            } catch (final Throwable e) {
-                Optional.ofNullable(throwConsumer).ifPresent(tc -> tc.accept(e));
-            } finally {
-                doFinally();
-            }
-        }
-    }
-
-    class TrySupplier<R> extends Tryable<TrySupplier<R>> {
-        private final ThrowableSupplier<? extends R> supplier;
-
-        protected TrySupplier(ThrowableSupplier<? extends R> supplier) {
-            Objects.requireNonNull(supplier, "No supplier present");
-            this.supplier = supplier;
-
-            super.c = this;
-        }
-
-        /**
-         * 如果有异常返回默认值，否则返回计算结果
-         *
-         * @param r 指定默认值
-         * @return 实际值或默认值
-         */
-        public R get(R r) {
-            try {
-                return supplier.get();
-            } catch (final Throwable e) {
-                Optional.ofNullable(throwConsumer).ifPresent(tc -> tc.accept(e));
-                return r;
-            } finally {
-                doFinally();
-            }
-        }
-
-        /**
-         * 如果有异常返回 null，否则返回计算结果
-         *
-         * @return 实际值或 null
-         */
-        public R get() {
-            try {
-                return supplier.get();
-            } catch (final Throwable e) {
-                Optional.ofNullable(throwConsumer).ifPresent(tc -> tc.accept(e));
-                return null;
-            } finally {
-                doFinally();
-            }
-        }
-    }
-
     class TryConsumer<P> extends Tryable<TryConsumer<P>> {
         private final ThrowableConsumer<? super P> consumer;
 
@@ -335,93 +424,4 @@ public interface Try {
             }
         }
     }
-
-    @FunctionalInterface
-    interface ThrowableConsumer<P> {
-        /**
-         * Performs this operation on the given argument.
-         *
-         * @param p the input argument
-         * @throws Throwable throwable
-         */
-        void accept(P p) throws Throwable;
-    }
-
-    @FunctionalInterface
-    interface ThrowableSupplier<R> {
-        /**
-         * Gets a result.
-         *
-         * @return a result
-         * @throws Throwable throwable
-         */
-        R get() throws Throwable;
-    }
-
-    @FunctionalInterface
-    interface ThrowableRunnable {
-        /**
-         * Performs this operation
-         *
-         * @throws Throwable throwable
-         */
-        void run() throws Throwable;
-    }
-
-    @FunctionalInterface
-    interface ThrowableFunction<P, R> {
-        /**
-         * Applies this function to the given argument.
-         *
-         * @param p the function argument
-         * @return the function result
-         * @throws Throwable throwable
-         */
-        R apply(P p) throws Throwable;
-    }
-
-    @SuppressWarnings({"ConstantConditions", "Convert2MethodRef"})
-    static void main(String[] args) {
-        System.out.println("------------有返回值，无入参----------------");
-        // 有返回值，无入参
-        String param = "hello";
-        Long result = Try.of(() -> Long.valueOf(param)).get(0L);
-        System.out.println("Long.valueOf 1: " + result);
-
-        result = Try.of(() -> Long.valueOf(param)).get();
-        System.out.println("Long.valueOf 2: " + result);
-
-        System.out.println("------------有返回值，有入参----------------");
-        // 有返回值，有入参
-        result = Try.<Map<String, String>, Long>of(s -> Long.valueOf(s.get("k1")))
-                .apply(ImmutableMap.of("k1", param))
-                .trap(e -> System.out.println("Long.valueOf exception: " + e.getMessage()))
-                .andFinally(() -> System.out.println("This message will ignore."))
-                .andFinally(s -> {
-                    Map<String, Object> returnMap = JsonUtils.string2Obj(JsonUtils.obj2String(s), new TypeReference<Map<String, Object>>() {
-                    });
-                    System.out.println("Long.valueOf finally run code." + s);
-                    // 演示抛异常
-                    String k2 = returnMap.get("k2").toString();
-                    System.out.println(k2);
-                })
-                .finallyTrap(e -> System.out.println("Long.valueOf finally exception: " + e.getMessage()))
-                .get();
-        System.out.println("Long.valueOf 3: " + result);
-
-        ArrayList<String> list = null;
-
-        System.out.println("-----------无返回值，无入参-----------------");
-        // 无返回值，无入参
-        Try.of(() -> Thread.sleep(-1L))
-                .andFinally(() -> list.clear())
-                // .andFinally(list::clear) //https://stackoverflow.com/questions/37413106/java-lang-nullpointerexception-is-thrown-using-a-method-reference-but-not-a-lamb
-                .run();
-
-        System.out.println("--------------无返回值，有入参--------------");
-        // 无返回值，有入参
-        Try.<String>of(v -> list.add(0, v))
-                .andFinally(s -> System.out.println(s))
-                .accept("hello");
-    }
 }

budd-demo/pom.xml

@@ -0,0 +1,18 @@
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>io.github.ehlxr</groupId>
+        <artifactId>budd</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+    <artifactId>budd-demo</artifactId>
+    <name>budd-demo</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.github.ehlxr</groupId>
+            <artifactId>budd-common</artifactId>
+        </dependency>
+    </dependencies>
+</project>

budd-demo/src/main/java/io/github/ehlxr/File.java

@@ -0,0 +1,123 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2023 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import io.github.ehlxr.util.JsonUtils;
+
+import java.util.Map;
+
+/**
+ * @author ehlxr
+ * @since 2023-03-15 16:08.
+ */
+public class File {
+    public static void main(String[] args) {
+
+        String str0 = "{\"mode\":2,\"isIOSAutoPlay\":true,\"isAndroidAutoPlay\":true,\"isShowDefaultPic\":true,\"isShowWeChatCircleShareButton\":true,\"isForceUpdate\":true,\"isGzhFullScreen\":true,\"isGzhAutoPlay\":true,\"isSharePageFullScreen\":true,\"isSharePageAutoPlay\":true,\"distDir\":\"dist_1_3_4\",\"distNewDir\":\"dist_1_3_4\",\"videoShareFriendPath\":\"pages/user-videos\",\"videoShareMomentPath\":\"pages/user-videos\",\"userShareFriendPath\":\"pages/mine/mine-info\",\"userShareMomentPath\":\"pages/mine/mine-info\",\"addMaskGuide\":false,\"addMaskDayInterval\":2,\"addMaskMaxCount\":3,\"addMaskDuration\":10,\"addBubbleGuide\":true,\"addBubbleDayInterval\":2,\"addBubbleMaxCount\":3,\"addBubbleDuration\":10,\"shortShareFriendPath\":\"pages/shortvideo/shortvideo\",\"shortShareMomentPath\":\"pages/shortvideo/shortvideo\",\"barrageUiShow\":true,\"barrageSwitchOpen\":true,\"sortType\":2,\"barrageInputStates\":0,\"videoBarrageSwitch\":true,\"isOpenUnUploadReason\":false,\"isOpenUploadReason\":false,\"homeTabUserInfoPanel\":true,\"isShowDialogOnUpdate\":false,\"fundebug\":false,\"barrageSection\":30,\"isUploadPageLoadData\":1,\"showPayTipsMaxCount\":2,\"openFollowRemind\":true,\"dayFollowRemind\":1,\"totalFollowRemind\":3,\"sharePageRoute\":1,\"shouldFixWxRenderBug\":1,\"defaultSearchText\":\"搜索你想看的\",\"isShowDetailPageGuide\":false,\"gzhOtherVideoCount\":4,\"otherVideoCount\":10,\"shareVideoDialogCount\":2,\"videoShare2PageNotFoundPercent\":0,\"categoryRouterPercent\":100,\"fixed707Upload\":1,\"albumAvailable\":1,\"csVideoShareH5Title\":\"\",\"activityMoney\":2.88,\"privacyAgreementUrl\":\"https://rescdn.piaoquantv.com/agreement/videoagreement.html\",\"serviceAgreementUrl\":\"https://rescdn.piaoquantv.com/agreement/videoservice.html\",\"h5Domain\":\"https://vlogh5.piaoquantv.com/\",\"sendVideoIgnoreAuthorizeMobile\":1,\"sendVideoPostAuthorizeMobile\":1,\"noGrantLoginEnable\":1}";
+        String str2 = "{\"mode\":2,\"isIOSAutoPlay\":true,\"isAndroidAutoPlay\":true,\"isShowDefaultPic\":true,\"isShowWeChatCircleShareButton\":true,\"isForceUpdate\":true,\"isGzhFullScreen\":true,\"isGzhAutoPlay\":true,\"isSharePageFullScreen\":true,\"isSharePageAutoPlay\":true,\"distDir\":\"dist_1_3_4\",\"distNewDir\":\"dist_1_3_4\",\"videoShareFriendPath\":\"pages/user-videos\",\"videoShareMomentPath\":\"pages/user-videos\",\"userShareFriendPath\":\"pages/mine/mine-info\",\"userShareMomentPath\":\"pages/mine/mine-info\",\"addMaskGuide\":false,\"addMaskDayInterval\":2,\"addMaskMaxCount\":3,\"addMaskDuration\":10,\"addBubbleGuide\":true,\"addBubbleDayInterval\":2,\"addBubbleMaxCount\":3,\"addBubbleDuration\":10,\"shortShareFriendPath\":\"pages/shortvideo/shortvideo\",\"shortShareMomentPath\":\"pages/shortvideo/shortvideo\",\"barrageUiShow\":true,\"barrageSwitchOpen\":true,\"sortType\":2,\"barrageInputStates\":0,\"videoBarrageSwitch\":true,\"isOpenUnUploadReason\":false,\"isOpenUploadReason\":false,\"homeTabUserInfoPanel\":true,\"isShowDialogOnUpdate\":false,\"fundebug\":false,\"barrageSection\":30,\"isUploadPageLoadData\":1,\"showPayTipsMaxCount\":2,\"openFollowRemind\":true,\"dayFollowRemind\":1,\"totalFollowRemind\":3,\"sharePageRoute\":1,\"shouldFixWxRenderBug\":1,\"defaultSearchText\":\"搜索你想看的\",\"isShowDetailPageGuide\":false,\"gzhOtherVideoCount\":4,\"otherVideoCount\":10,\"shareVideoDialogCount\":2,\"videoShare2PageNotFoundPercent\":0,\"categoryRouterPercent\":100,\"fixed707Upload\":1,\"albumAvailable\":1,\"csVideoShareH5Title\":\"\",\"activityMoney\":2.88,\"privacyAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoagreement.html\",\"serviceAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoservice.html\"}";
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+        String str22 = "{\"mode\":2,\"isIOSAutoPlay\":true,\"isAndroidAutoPlay\":true,\"isShowDefaultPic\":true,\"isShowWeChatCircleShareButton\":true,\"isForceUpdate\":true,\"isGzhFullScreen\":true,\"isGzhAutoPlay\":true,\"isSharePageFullScreen\":true,\"isSharePageAutoPlay\":true,\"distDir\":\"dist_1_3_4\",\"distNewDir\":\"dist_1_3_4\",\"videoShareFriendPath\":\"pages/user-videos\",\"videoShareMomentPath\":\"pages/user-videos\",\"userShareFriendPath\":\"pages/mine/mine-info\",\"userShareMomentPath\":\"pages/mine/mine-info\",\"addMaskGuide\":false,\"addMaskDayInterval\":2,\"addMaskMaxCount\":3,\"addMaskDuration\":10,\"addBubbleGuide\":true,\"addBubbleDayInterval\":2,\"addBubbleMaxCount\":3,\"addBubbleDuration\":10,\"shortShareFriendPath\":\"pages/shortvideo/shortvideo\",\"shortShareMomentPath\":\"pages/shortvideo/shortvideo\",\"barrageUiShow\":true,\"barrageSwitchOpen\":true,\"sortType\":2,\"barrageInputStates\":0,\"videoBarrageSwitch\":true,\"isOpenUnUploadReason\":false,\"isOpenUploadReason\":false,\"homeTabUserInfoPanel\":true,\"isShowDialogOnUpdate\":false,\"fundebug\":false,\"barrageSection\":30,\"isUploadPageLoadData\":1,\"showPayTipsMaxCount\":2,\"openFollowRemind\":true,\"dayFollowRemind\":1,\"totalFollowRemind\":3,\"sharePageRoute\":1,\"shouldFixWxRenderBug\":1,\"defaultSearchText\":\"搜索你想看的\",\"isShowDetailPageGuide\":false,\"gzhOtherVideoCount\":4,\"otherVideoCount\":10,\"shareVideoDialogCount\":2,\"videoShare2PageNotFoundPercent\":0,\"categoryRouterPercent\":100,\"fixed707Upload\":1,\"albumAvailable\":1,\"csVideoShareH5Title\":\"\",\"activityMoney\":2.88,\"privacyAgreementUrl\":\"https://rescdn.piaoquantv.com/agreement/videoagreement.html\",\"serviceAgreementUrl\":\"https://rescdn.piaoquantv.com/agreement/videoservice.html\",\"h5Domain\":\"https://vlogh5.piaoquantv.com/\",\"sendVideoIgnoreAuthorizeMobile\":1,\"sendVideoPostAuthorizeMobile\":1,\"noGrantLoginEnable\":1}";
+
+        // String str0 = "{\"mode\":0,\"isIOSAutoPlay\":false,\"isAndroidAutoPlay\":false,\"isShowDefaultPic\":false,\"isShowWeChatCircleShareButton\":false,\"isForceUpdate\":true,\"isGzhFullScreen\":false,\"isGzhAutoPlay\":false,\"isSharePageFullScreen\":false,\"isSharePageAutoPlay\":false,\"distDir\":\"dist_1_3_4\",\"distNewDir\":\"dist_1_3_4\",\"videoShareFriendPath\":\"pages/user-videos\",\"videoShareMomentPath\":\"pages/user-videos\",\"userShareFriendPath\":\"pages/mine/mine-info\",\"userShareMomentPath\":\"pages/mine/mine-info\",\"addMaskGuide\":false,\"addMaskDayInterval\":2,\"addMaskMaxCount\":3,\"addMaskDuration\":10,\"addBubbleGuide\":true,\"addBubbleDayInterval\":2,\"addBubbleMaxCount\":3,\"addBubbleDuration\":10,\"shortShareFriendPath\":\"pages/shortvideo/shortvideo\",\"shortShareMomentPath\":\"pages/shortvideo/shortvideo\",\"barrageUiShow\":true,\"barrageSwitchOpen\":true,\"sortType\":2,\"barrageInputStates\":0,\"videoBarrageSwitch\":true,\"isOpenUnUploadReason\":false,\"isOpenUploadReason\":false,\"homeTabUserInfoPanel\":false,\"isShowDialogOnUpdate\":false,\"fundebug\":false,\"barrageSection\":30,\"isUploadPageLoadData\":0,\"showPayTipsMaxCount\":2,\"openFollowRemind\":true,\"dayFollowRemind\":1,\"totalFollowRemind\":3,\"sharePageRoute\":0,\"shouldFixWxRenderBug\":1,\"defaultSearchText\":\"搜索你想看的\",\"isShowDetailPageGuide\":false,\"gzhOtherVideoCount\":4,\"otherVideoCount\":10,\"shareVideoDialogCount\":2,\"videoShare2PageNotFoundPercent\":0,\"categoryRouterPercent\":100,\"fixed707Upload\":1,\"albumAvailable\":1,\"csVideoShareH5Title\":\"\",\"activityMoney\":2.88,\"privacyAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoagreement.html\",\"serviceAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoservice.html\",\"h5Domain\":\"https://vlogh5.piaoquantv.com/\",\"sendVideoIgnoreAuthorizeMobile\":1,\"sendVideoPostAuthorizeMobile\":1,\"noGrantLoginEnable\":1}";
+        // String str2 = "{\"mode\":0,\"isIOSAutoPlay\":false,\"isAndroidAutoPlay\":false,\"isShowDefaultPic\":false,\"isShowWeChatCircleShareButton\":false,\"isForceUpdate\":true,\"isGzhFullScreen\":false,\"isGzhAutoPlay\":false,\"isSharePageFullScreen\":false,\"isSharePageAutoPlay\":false,\"distDir\":\"dist_1_3_4\",\"distNewDir\":\"dist_1_3_4\",\"videoShareFriendPath\":\"pages/user-videos\",\"videoShareMomentPath\":\"pages/user-videos\",\"userShareFriendPath\":\"pages/mine/mine-info\",\"userShareMomentPath\":\"pages/mine/mine-info\",\"addMaskGuide\":false,\"addMaskDayInterval\":2,\"addMaskMaxCount\":3,\"addMaskDuration\":10,\"addBubbleGuide\":true,\"addBubbleDayInterval\":2,\"addBubbleMaxCount\":3,\"addBubbleDuration\":10,\"shortShareFriendPath\":\"pages/shortvideo/shortvideo\",\"shortShareMomentPath\":\"pages/shortvideo/shortvideo\",\"barrageUiShow\":true,\"barrageSwitchOpen\":true,\"sortType\":2,\"barrageInputStates\":0,\"videoBarrageSwitch\":true,\"isOpenUnUploadReason\":false,\"isOpenUploadReason\":false,\"homeTabUserInfoPanel\":false,\"isShowDialogOnUpdate\":false,\"fundebug\":false,\"barrageSection\":30,\"isUploadPageLoadData\":0,\"showPayTipsMaxCount\":2,\"openFollowRemind\":true,\"dayFollowRemind\":1,\"totalFollowRemind\":3,\"sharePageRoute\":0,\"shouldFixWxRenderBug\":1,\"defaultSearchText\":\"搜索你想看的\",\"isShowDetailPageGuide\":false,\"gzhOtherVideoCount\":4,\"otherVideoCount\":10,\"shareVideoDialogCount\":2,\"videoShare2PageNotFoundPercent\":0,\"categoryRouterPercent\":100,\"fixed707Upload\":1,\"albumAvailable\":1,\"csVideoShareH5Title\":\"\",\"activityMoney\":2.88,\"privacyAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoagreement.html\",\"serviceAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoservice.html\"}";
+        // String str3 = "{\"mode\":0,\"isIOSAutoPlay\":false,\"isAndroidAutoPlay\":false,\"isShowDefaultPic\":false,\"isShowWeChatCircleShareButton\":false,\"isForceUpdate\":true,\"isGzhFullScreen\":false,\"isGzhAutoPlay\":false,\"isSharePageFullScreen\":false,\"isSharePageAutoPlay\":false,\"distDir\":\"dist_1_3_4\",\"distNewDir\":\"dist_1_3_4\",\"videoShareFriendPath\":\"pages/user-videos\",\"videoShareMomentPath\":\"pages/user-videos\",\"userShareFriendPath\":\"pages/mine/mine-info\",\"userShareMomentPath\":\"pages/mine/mine-info\",\"addMaskGuide\":false,\"addMaskDayInterval\":2,\"addMaskMaxCount\":3,\"addMaskDuration\":10,\"addBubbleGuide\":true,\"addBubbleDayInterval\":2,\"addBubbleMaxCount\":3,\"addBubbleDuration\":10,\"shortShareFriendPath\":\"pages/shortvideo/shortvideo\",\"shortShareMomentPath\":\"pages/shortvideo/shortvideo\",\"barrageUiShow\":true,\"barrageSwitchOpen\":true,\"sortType\":2,\"barrageInputStates\":0,\"videoBarrageSwitch\":true,\"isOpenUnUploadReason\":false,\"isOpenUploadReason\":false,\"homeTabUserInfoPanel\":false,\"isShowDialogOnUpdate\":false,\"fundebug\":false,\"barrageSection\":30,\"isUploadPageLoadData\":0,\"showPayTipsMaxCount\":2,\"openFollowRemind\":true,\"dayFollowRemind\":1,\"totalFollowRemind\":3,\"sharePageRoute\":0,\"shouldFixWxRenderBug\":1,\"defaultSearchText\":\"搜索你想看的\",\"isShowDetailPageGuide\":false,\"gzhOtherVideoCount\":4,\"otherVideoCount\":10,\"shareVideoDialogCount\":2,\"videoShare2PageNotFoundPercent\":0,\"categoryRouterPercent\":100,\"fixed707Upload\":1,\"albumAvailable\":1,\"csVideoShareH5Title\":\"\",\"activityMoney\":2.88,\"privacyAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoagreement.html\",\"serviceAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoservice.html\"}";
+        // String str4 = "{\"mode\":0,\"isIOSAutoPlay\":false,\"isAndroidAutoPlay\":false,\"isShowDefaultPic\":false,\"isShowWeChatCircleShareButton\":false,\"isForceUpdate\":true,\"isGzhFullScreen\":false,\"isGzhAutoPlay\":false,\"isSharePageFullScreen\":true,\"isSharePageAutoPlay\":false,\"distDir\":\"dist_1_3_4\",\"distNewDir\":\"dist_1_3_4\",\"videoShareFriendPath\":\"pages/user-videos\",\"videoShareMomentPath\":\"pages/user-videos\",\"userShareFriendPath\":\"pages/mine/mine-info\",\"userShareMomentPath\":\"pages/mine/mine-info\",\"shortShareFriendPath\":\"pages/shortvideo/shortvideo\",\"shortShareMomentPath\":\"pages/shortvideo/shortvideo\",\"addMaskGuide\":false,\"addMaskDayInterval\":2,\"addMaskMaxCount\":3,\"addMaskDuration\":10,\"addBubbleGuide\":true,\"addBubbleDayInterval\":2,\"addBubbleMaxCount\":3,\"addBubbleDuration\":10,\"barrageUiShow\":true,\"barrageSwitchOpen\":true,\"sortType\":2,\"barrageInputStates\":0,\"videoBarrageSwitch\":true,\"isOpenUnUploadReason\":false,\"isOpenUploadReason\":false,\"homeTabUserInfoPanel\":false,\"isShowDialogOnUpdate\":false,\"fundebug\":false,\"barrageSection\":30,\"isUploadPageLoadData\":0,\"showPayTipsMaxCount\":2,\"openFollowRemind\":true,\"dayFollowRemind\":1,\"totalFollowRemind\":3,\"sharePageRoute\":1,\"shouldFixWxRenderBug\":1,\"defaultSearchText\":\"搜索你想看的\",\"isShowDetailPageGuide\":false,\"gzhOtherVideoCount\":4,\"otherVideoCount\":10,\"shareVideoDialogCount\":2,\"videoShare2PageNotFoundPercent\":0,\"categoryRouterPercent\":100,\"fixed707Upload\":1,\"albumAvailable\":1,\"csVideoShareH5Title\":\"\",\"activityMoney\":2.88,\"privacyAgreementUrl\":\"https://rescdn.piaoquantv.com/agreement/videoagreement.html\",\"serviceAgreementUrl\":\"https://rescdn.piaoquantv.com/agreement/videoservice.html\",\"h5Domain\":\"https://vlogh5.piaoquantv.com/\",\"sendVideoIgnoreAuthorizeMobile\":1,\"sendVideoPostAuthorizeMobile\":1,\"noGrantLoginEnable\":1}";
+        // String str5 = "{\"mode\":0,\"isIOSAutoPlay\":false,\"isAndroidAutoPlay\":false,\"isShowDefaultPic\":false,\"isShowWeChatCircleShareButton\":false,\"isForceUpdate\":true,\"isGzhFullScreen\":false,\"isGzhAutoPlay\":false,\"isSharePageFullScreen\":false,\"isSharePageAutoPlay\":false,\"distDir\":\"dist_1_3_4\",\"distNewDir\":\"dist_1_3_4\",\"videoShareFriendPath\":\"pages/user-videos\",\"videoShareMomentPath\":\"pages/user-videos\",\"userShareFriendPath\":\"pages/mine/mine-info\",\"userShareMomentPath\":\"pages/mine/mine-info\",\"shortShareFriendPath\":\"pages/shortvideo/shortvideo\",\"shortShareMomentPath\":\"pages/shortvideo/shortvideo\",\"addMaskGuide\":false,\"addMaskDayInterval\":2,\"addMaskMaxCount\":3,\"addMaskDuration\":10,\"addBubbleGuide\":true,\"addBubbleDayInterval\":2,\"addBubbleMaxCount\":3,\"addBubbleDuration\":10,\"barrageUiShow\":true,\"barrageSwitchOpen\":true,\"sortType\":2,\"barrageInputStates\":0,\"videoBarrageSwitch\":true,\"isOpenUnUploadReason\":false,\"isOpenUploadReason\":false,\"homeTabUserInfoPanel\":false,\"isShowDialogOnUpdate\":false,\"fundebug\":false,\"barrageSection\":30,\"isUploadPageLoadData\":0,\"showPayTipsMaxCount\":2,\"openFollowRemind\":true,\"dayFollowRemind\":1,\"totalFollowRemind\":3,\"sharePageRoute\":1,\"shouldFixWxRenderBug\":1,\"defaultSearchText\":\"搜索你想看的\",\"isShowDetailPageGuide\":false,\"gzhOtherVideoCount\":4,\"otherVideoCount\":10,\"shareVideoDialogCount\":2,\"videoShare2PageNotFoundPercent\":0,\"categoryRouterPercent\":100,\"fixed707Upload\":1,\"albumAvailable\":1,\"privacyAgreementUrl\":\"https://rescdn.piaoquantv.com/agreement/videoagreement.html\",\"serviceAgreementUrl\":\"https://rescdn.piaoquantv.com/agreement/videoservice.html\",\"h5Domain\":\"https://vlogh5.piaoquantv.com/\",\"sendVideoIgnoreAuthorizeMobile\":1,\"sendVideoPostAuthorizeMobile\":1,\"noGrantLoginEnable\":1}";
+        // String str6 = "{\"mode\":0,\"isIOSAutoPlay\":false,\"isAndroidAutoPlay\":false,\"isShowDefaultPic\":false,\"isShowWeChatCircleShareButton\":false,\"isForceUpdate\":true,\"isGzhFullScreen\":false,\"isGzhAutoPlay\":false,\"isSharePageFullScreen\":false,\"isSharePageAutoPlay\":false,\"distDir\":\"dist_1_3_4\",\"distNewDir\":\"dist_1_3_4\",\"videoShareFriendPath\":\"pages/user-videos\",\"videoShareMomentPath\":\"pages/user-videos\",\"userShareFriendPath\":\"pages/mine/mine-info\",\"userShareMomentPath\":\"pages/mine/mine-info\",\"addMaskGuide\":false,\"addMaskDayInterval\":2,\"addMaskMaxCount\":3,\"addMaskDuration\":10,\"addBubbleGuide\":true,\"addBubbleDayInterval\":2,\"addBubbleMaxCount\":3,\"addBubbleDuration\":10,\"shortShareFriendPath\":\"pages/shortvideo/shortvideo\",\"shortShareMomentPath\":\"pages/shortvideo/shortvideo\",\"barrageUiShow\":true,\"barrageSwitchOpen\":true,\"sortType\":2,\"barrageInputStates\":0,\"videoBarrageSwitch\":true,\"isOpenUnUploadReason\":false,\"isOpenUploadReason\":false,\"homeTabUserInfoPanel\":false,\"isShowDialogOnUpdate\":false,\"fundebug\":false,\"barrageSection\":30,\"isUploadPageLoadData\":0,\"showPayTipsMaxCount\":2,\"openFollowRemind\":true,\"dayFollowRemind\":1,\"totalFollowRemind\":3,\"sharePageRoute\":0,\"shouldFixWxRenderBug\":1,\"defaultSearchText\":\"搜索你想看的\",\"isShowDetailPageGuide\":false,\"gzhOtherVideoCount\":4,\"otherVideoCount\":10,\"shareVideoDialogCount\":2,\"videoShare2PageNotFoundPercent\":0,\"categoryRouterPercent\":100,\"fixed707Upload\":1,\"albumAvailable\":1,\"csVideoShareH5Title\":\"\",\"activityMoney\":2.88,\"privacyAgreementUrl\":\"https://rescdn.piaoquantv.com/agreement/videoagreement.html\",\"serviceAgreementUrl\":\"https://rescdn.piaoquantv.com/agreement/videoservice.html\",\"h5Domain\":\"https://vlogh5.piaoquantv.com/\",\"sendVideoIgnoreAuthorizeMobile\":1,\"sendVideoPostAuthorizeMobile\":1,\"noGrantLoginEnable\":1}";
+        // String str7 = "{\"mode\":0,\"isIOSAutoPlay\":false,\"isAndroidAutoPlay\":false,\"isShowDefaultPic\":false,\"isShowWeChatCircleShareButton\":false,\"isForceUpdate\":true,\"isGzhFullScreen\":false,\"isGzhAutoPlay\":false,\"isSharePageFullScreen\":false,\"isSharePageAutoPlay\":false,\"distDir\":\"dist_1_3_4\",\"distNewDir\":\"dist_1_3_4\",\"videoShareFriendPath\":\"pages/user-videos\",\"videoShareMomentPath\":\"pages/user-videos\",\"userShareFriendPath\":\"pages/mine/mine-info\",\"userShareMomentPath\":\"pages/mine/mine-info\",\"addMaskGuide\":false,\"addMaskDayInterval\":2,\"addMaskMaxCount\":3,\"addMaskDuration\":10,\"addBubbleGuide\":true,\"addBubbleDayInterval\":2,\"addBubbleMaxCount\":3,\"addBubbleDuration\":10,\"shortShareFriendPath\":\"pages/shortvideo/shortvideo\",\"shortShareMomentPath\":\"pages/shortvideo/shortvideo\",\"barrageUiShow\":true,\"barrageSwitchOpen\":true,\"sortType\":2,\"barrageInputStates\":0,\"videoBarrageSwitch\":true,\"isOpenUnUploadReason\":false,\"isOpenUploadReason\":false,\"homeTabUserInfoPanel\":false,\"isShowDialogOnUpdate\":false,\"fundebug\":false,\"barrageSection\":30,\"isUploadPageLoadData\":0,\"showPayTipsMaxCount\":2,\"openFollowRemind\":true,\"dayFollowRemind\":1,\"totalFollowRemind\":3,\"sharePageRoute\":0,\"shouldFixWxRenderBug\":1,\"defaultSearchText\":\"搜索你想看的\",\"isShowDetailPageGuide\":false,\"gzhOtherVideoCount\":4,\"otherVideoCount\":10,\"shareVideoDialogCount\":2,\"videoShare2PageNotFoundPercent\":0,\"categoryRouterPercent\":100,\"fixed707Upload\":1,\"albumAvailable\":1,\"csVideoShareH5Title\":\"\",\"activityMoney\":2.88,\"privacyAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoagreement.html\",\"serviceAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoservice.html\"}";
+        // String str10 = "{\"mode\":0,\"isIOSAutoPlay\":false,\"isAndroidAutoPlay\":false,\"isShowDefaultPic\":false,\"isShowWeChatCircleShareButton\":false,\"isForceUpdate\":true,\"isGzhFullScreen\":false,\"isGzhAutoPlay\":false,\"isSharePageFullScreen\":false,\"isSharePageAutoPlay\":false,\"distDir\":\"dist_1_3_4\",\"distNewDir\":\"dist\",\"videoShareFriendPath\":\"pages/user-videos\",\"videoShareMomentPath\":\"pages/user-videos\",\"userShareFriendPath\":\"pages/mine/mine-info\",\"userShareMomentPath\":\"pages/mine/mine-info\",\"shortShareFriendPath\": \"pages/shortvideo/shortvideo\",\"shortShareMomentPath\":\"pages/shortvideo/shortvideo\",\"addMaskGuide\":true,\"addMaskDayInterval\":2,\"addMaskMaxCount\":3,\"addMaskDuration\":10,\"addBubbleGuide\":true,\"addBubbleDayInterval\":2,\"addBubbleMaxCount\":-1,\"addBubbleDuration\":5,\"barrageUiShow\": true,\"barrageSwitchOpen\": true}";
+        // String str17 = "{\"mode\":0,\"isIOSAutoPlay\":true,\"isAndroidAutoPlay\":true,\"isShowDefaultPic\":true,\"isShowWeChatCircleShareButton\":true,\"isForceUpdate\":true,\"isGzhFullScreen\":true,\"isGzhAutoPlay\":true,\"isSharePageFullScreen\":true,\"isSharePageAutoPlay\":true,\"distDir\":\"dist_1_3_4\",\"distNewDir\":\"dist_1_3_4\",\"videoShareFriendPath\":\"pages/user-videos\",\"videoShareMomentPath\":\"pages/user-videos\",\"userShareFriendPath\":\"pages/mine/mine-info\",\"userShareMomentPath\":\"pages/mine/mine-info\",\"addMaskGuide\":false,\"addMaskDayInterval\":2,\"addMaskMaxCount\":3,\"addMaskDuration\":10,\"addBubbleGuide\":true,\"addBubbleDayInterval\":2,\"addBubbleMaxCount\":3,\"addBubbleDuration\":10,\"shortShareFriendPath\":\"pages/shortvideo/shortvideo\",\"shortShareMomentPath\":\"pages/shortvideo/shortvideo\",\"barrageUiShow\":true,\"barrageSwitchOpen\":true,\"sortType\":2,\"barrageInputStates\":0,\"videoBarrageSwitch\":true,\"isOpenUnUploadReason\":false,\"isOpenUploadReason\":false,\"homeTabUserInfoPanel\":true,\"isShowDialogOnUpdate\":false,\"fundebug\":false,\"barrageSection\":30,\"isUploadPageLoadData\":1,\"showPayTipsMaxCount\":2,\"openFollowRemind\":true,\"dayFollowRemind\":1,\"totalFollowRemind\":3,\"sharePageRoute\":1,\"shouldFixWxRenderBug\":1,\"defaultSearchText\":\"搜索你想看的\",\"isShowDetailPageGuide\":false,\"gzhOtherVideoCount\":4,\"otherVideoCount\":10,\"shareVideoDialogCount\":2,\"videoShare2PageNotFoundPercent\":0,\"categoryRouterPercent\":100,\"fixed707Upload\":1,\"albumAvailable\":1,\"csVideoShareH5Title\":\"\",\"activityMoney\":2.88,\"privacyAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoagreement.html\",\"serviceAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoservice.html\",\"h5Domain\":\"https://vlogh5.piaoquantv.com/\"}";
+        // String str18 = "{\"mode\":0,\"isIOSAutoPlay\":true,\"isAndroidAutoPlay\":true,\"isShowDefaultPic\":true,\"isShowWeChatCircleShareButton\":true,\"isForceUpdate\":true,\"isGzhFullScreen\":true,\"isGzhAutoPlay\":true,\"isSharePageFullScreen\":true,\"isSharePageAutoPlay\":true,\"distDir\":\"dist_1_3_4\",\"distNewDir\":\"dist_1_3_4\",\"videoShareFriendPath\":\"pages/user-videos\",\"videoShareMomentPath\":\"pages/user-videos\",\"userShareFriendPath\":\"pages/mine/mine-info\",\"userShareMomentPath\":\"pages/mine/mine-info\",\"addMaskGuide\":false,\"addMaskDayInterval\":2,\"addMaskMaxCount\":3,\"addMaskDuration\":10,\"addBubbleGuide\":true,\"addBubbleDayInterval\":2,\"addBubbleMaxCount\":3,\"addBubbleDuration\":10,\"shortShareFriendPath\":\"pages/shortvideo/shortvideo\",\"shortShareMomentPath\":\"pages/shortvideo/shortvideo\",\"barrageUiShow\":true,\"barrageSwitchOpen\":true,\"sortType\":2,\"barrageInputStates\":0,\"videoBarrageSwitch\":true,\"isOpenUnUploadReason\":false,\"isOpenUploadReason\":false,\"homeTabUserInfoPanel\":true,\"isShowDialogOnUpdate\":false,\"fundebug\":false,\"barrageSection\":30,\"isUploadPageLoadData\":1,\"showPayTipsMaxCount\":2,\"openFollowRemind\":true,\"dayFollowRemind\":1,\"totalFollowRemind\":3,\"sharePageRoute\":1,\"shouldFixWxRenderBug\":1,\"defaultSearchText\":\"搜索你想看的\",\"isShowDetailPageGuide\":false,\"gzhOtherVideoCount\":4,\"otherVideoCount\":10,\"shareVideoDialogCount\":2,\"videoShare2PageNotFoundPercent\":0,\"categoryRouterPercent\":100,\"fixed707Upload\":1,\"albumAvailable\":1,\"csVideoShareH5Title\":\"\",\"activityMoney\":2.88,\"privacyAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoagreement.html\",\"serviceAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoservice.html\",\"h5Domain\":\"https://vlogh5.piaoquantv.com/\"}";
+        // String str19 = "{\"mode\":0,\"isIOSAutoPlay\":true,\"isAndroidAutoPlay\":true,\"isShowDefaultPic\":true,\"isShowWeChatCircleShareButton\":true,\"isForceUpdate\":true,\"isGzhFullScreen\":true,\"isGzhAutoPlay\":true,\"isSharePageFullScreen\":true,\"isSharePageAutoPlay\":true,\"distDir\":\"dist_1_3_4\",\"distNewDir\":\"dist_1_3_4\",\"videoShareFriendPath\":\"pages/user-videos\",\"videoShareMomentPath\":\"pages/user-videos\",\"userShareFriendPath\":\"pages/mine/mine-info\",\"userShareMomentPath\":\"pages/mine/mine-info\",\"addMaskGuide\":false,\"addMaskDayInterval\":2,\"addMaskMaxCount\":3,\"addMaskDuration\":10,\"addBubbleGuide\":true,\"addBubbleDayInterval\":2,\"addBubbleMaxCount\":3,\"addBubbleDuration\":10,\"shortShareFriendPath\":\"pages/shortvideo/shortvideo\",\"shortShareMomentPath\":\"pages/shortvideo/shortvideo\",\"barrageUiShow\":true,\"barrageSwitchOpen\":true,\"sortType\":2,\"barrageInputStates\":0,\"videoBarrageSwitch\":true,\"isOpenUnUploadReason\":false,\"isOpenUploadReason\":false,\"homeTabUserInfoPanel\":true,\"isShowDialogOnUpdate\":false,\"fundebug\":false,\"barrageSection\":30,\"isUploadPageLoadData\":1,\"showPayTipsMaxCount\":2,\"openFollowRemind\":true,\"dayFollowRemind\":1,\"totalFollowRemind\":3,\"sharePageRoute\":1,\"shouldFixWxRenderBug\":1,\"defaultSearchText\":\"搜索你想看的\",\"isShowDetailPageGuide\":false,\"gzhOtherVideoCount\":4,\"otherVideoCount\":10,\"shareVideoDialogCount\":2,\"videoShare2PageNotFoundPercent\":0,\"categoryRouterPercent\":100,\"fixed707Upload\":1,\"albumAvailable\":1,\"csVideoShareH5Title\":\"\",\"activityMoney\":2.88,\"privacyAgreementUrl\":\"https://rescdn.piaoquantv.com/agreement/videoagreement.html\",\"serviceAgreementUrl\":\"https://rescdn.piaoquantv.com/agreement/videoservice.html\",\"h5Domain\":\"https://vlogh5.piaoquantv.com/\",\"sendVideoIgnoreAuthorizeMobile\":1,\"sendVideoPostAuthorizeMobile\":1,\"noGrantLoginEnable\":1}";
+        // String str21 = "{\"mode\":0,\"isIOSAutoPlay\":false,\"isAndroidAutoPlay\":false,\"isShowDefaultPic\":false,\"isShowWeChatCircleShareButton\":false,\"isForceUpdate\":true,\"isGzhFullScreen\":false,\"isGzhAutoPlay\":false,\"isSharePageFullScreen\":false,\"isSharePageAutoPlay\":false,\"distDir\":\"dist_1_3_4\",\"distNewDir\":\"dist_1_3_4\",\"videoShareFriendPath\":\"pages/user-videos\",\"videoShareMomentPath\":\"pages/user-videos\",\"userShareFriendPath\":\"pages/mine/mine-info\",\"userShareMomentPath\":\"pages/mine/mine-info\",\"addMaskGuide\":false,\"addMaskDayInterval\":2,\"addMaskMaxCount\":3,\"addMaskDuration\":10,\"addBubbleGuide\":true,\"addBubbleDayInterval\":2,\"addBubbleMaxCount\":3,\"addBubbleDuration\":10,\"shortShareFriendPath\":\"pages/shortvideo/shortvideo\",\"shortShareMomentPath\":\"pages/shortvideo/shortvideo\",\"barrageUiShow\":true,\"barrageSwitchOpen\":true,\"sortType\":2,\"barrageInputStates\":0,\"videoBarrageSwitch\":true,\"isOpenUnUploadReason\":false,\"isOpenUploadReason\":false,\"homeTabUserInfoPanel\":false,\"isShowDialogOnUpdate\":false,\"fundebug\":false,\"barrageSection\":30,\"isUploadPageLoadData\":0,\"showPayTipsMaxCount\":2,\"openFollowRemind\":true,\"dayFollowRemind\":1,\"totalFollowRemind\":3,\"sharePageRoute\":0,\"shouldFixWxRenderBug\":1,\"defaultSearchText\":\"搜索你想看的\",\"isShowDetailPageGuide\":false,\"gzhOtherVideoCount\":4,\"otherVideoCount\":10,\"shareVideoDialogCount\":2,\"videoShare2PageNotFoundPercent\":0,\"categoryRouterPercent\":100,\"fixed707Upload\":1,\"albumAvailable\":1,\"csVideoShareH5Title\":\"\",\"activityMoney\":2.88,\"privacyAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoagreement.html\",\"serviceAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoservice.html\",\"h5Domain\":\"https://vlogh5.piaoquantv.com/\",\"sendVideoIgnoreAuthorizeMobile\":1,\"sendVideoPostAuthorizeMobile\":1,\"noGrantLoginEnable\":1}";
+        // String str22 = "{\"mode\":0,\"isIOSAutoPlay\":false,\"isAndroidAutoPlay\":false,\"isShowDefaultPic\":false,\"isShowWeChatCircleShareButton\":false,\"isForceUpdate\":true,\"isGzhFullScreen\":false,\"isGzhAutoPlay\":false,\"isSharePageFullScreen\":false,\"isSharePageAutoPlay\":false,\"distDir\":\"dist_1_3_4\",\"distNewDir\":\"dist_1_3_4\",\"videoShareFriendPath\":\"pages/user-videos\",\"videoShareMomentPath\":\"pages/user-videos\",\"userShareFriendPath\":\"pages/mine/mine-info\",\"userShareMomentPath\":\"pages/mine/mine-info\",\"addMaskGuide\":false,\"addMaskDayInterval\":2,\"addMaskMaxCount\":3,\"addMaskDuration\":10,\"addBubbleGuide\":true,\"addBubbleDayInterval\":2,\"addBubbleMaxCount\":3,\"addBubbleDuration\":10,\"shortShareFriendPath\":\"pages/shortvideo/shortvideo\",\"shortShareMomentPath\":\"pages/shortvideo/shortvideo\",\"barrageUiShow\":true,\"barrageSwitchOpen\":true,\"sortType\":2,\"barrageInputStates\":0,\"videoBarrageSwitch\":true,\"isOpenUnUploadReason\":false,\"isOpenUploadReason\":false,\"homeTabUserInfoPanel\":false,\"isShowDialogOnUpdate\":false,\"fundebug\":false,\"barrageSection\":30,\"isUploadPageLoadData\":0,\"showPayTipsMaxCount\":2,\"openFollowRemind\":true,\"dayFollowRemind\":1,\"totalFollowRemind\":3,\"sharePageRoute\":0,\"shouldFixWxRenderBug\":1,\"defaultSearchText\":\"搜索你想看的\",\"isShowDetailPageGuide\":false,\"gzhOtherVideoCount\":4,\"otherVideoCount\":10,\"shareVideoDialogCount\":2,\"videoShare2PageNotFoundPercent\":0,\"categoryRouterPercent\":100,\"fixed707Upload\":1,\"albumAvailable\":1,\"csVideoShareH5Title\":\"\",\"activityMoney\":2.88,\"privacyAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoagreement.html\",\"serviceAgreementUrl\":\"https://weapppiccdn.yishihui.com/resources/agreements/videoservice.html\",\"h5Domain\":\"https://vlogh5.piaoquantv.com/\",\"sendVideoIgnoreAuthorizeMobile\":1,\"sendVideoPostAuthorizeMobile\":1,\"noGrantLoginEnable\":1}";
+
+        Map<String, String> j0 = JsonUtils.string2Obj(str0, new TypeReference<>() {
+        });
+        Map<String, String> j2 = JsonUtils.string2Obj(str2, new TypeReference<>() {
+        });
+        Map<String, String> j3 = JsonUtils.string2Obj(str3, new TypeReference<>() {
+        });
+        Map<String, String> j4 = JsonUtils.string2Obj(str4, new TypeReference<>() {
+        });
+        Map<String, String> j5 = JsonUtils.string2Obj(str5, new TypeReference<>() {
+        });
+        Map<String, String> j6 = JsonUtils.string2Obj(str6, new TypeReference<>() {
+        });
+        Map<String, String> j7 = JsonUtils.string2Obj(str7, new TypeReference<>() {
+        });
+        Map<String, String> j10 = JsonUtils.string2Obj(str10, new TypeReference<>() {
+        });
+        Map<String, String> j17 = JsonUtils.string2Obj(str17, new TypeReference<>() {
+        });
+        Map<String, String> j18 = JsonUtils.string2Obj(str18, new TypeReference<>() {
+        });
+        Map<String, String> j19 = JsonUtils.string2Obj(str19, new TypeReference<>() {
+        });
+        Map<String, String> j21 = JsonUtils.string2Obj(str21, new TypeReference<>() {
+        });
+        Map<String, String> j22 = JsonUtils.string2Obj(str22, new TypeReference<>() {
+        });
+
+
+        for (String key : j0.keySet()) {
+            System.out.println(key + "|" + j0.get(key) + "|" + j2.remove(key)
+                    + "|" + j3.remove(key)
+                    + "|" + j4.remove(key)
+                    + "|" + j5.remove(key)
+                    + "|" + j6.remove(key)
+                    + "|" + j7.remove(key)
+                    + "|" + j10.remove(key)
+                    + "|" + j17.remove(key)
+                    + "|" + j18.remove(key)
+                    + "|" + j19.remove(key)
+                    + "|" + j21.remove(key)
+                    + "|" + j22.remove(key));
+        }
+
+        System.out.println("j2: " + j2);
+        System.out.println("j3: " + j3);
+        System.out.println("j4: " + j4);
+        System.out.println("j5: " + j5);
+        System.out.println("j6: " + j6);
+        System.out.println("j7: " + j7);
+        System.out.println("j10: " + j10);
+        System.out.println("j17: " + j17);
+        System.out.println("j18: " + j18);
+        System.out.println("j19: " + j19);
+        System.out.println("j21: " + j21);
+        System.out.println("j22: " + j22);
+    }
+}

budd-demo/src/main/java/io/github/ehlxr/Main.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2022 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,16 +22,29 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.test;
+package io.github.ehlxr;
 
-import io.github.ehlxr.redis.JedisUtil;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 /**
- * Created by ehlxr on 2016/6/14.
+ * @author ehlxr
+ * @since 2022-01-17 06:31.
  */
 public class Main {
     public static void main(String[] args) {
-        JedisUtil.set("test_20160614", "20160614");
-        System.out.println(JedisUtil.getStr("test_20160614"));
+        int[][] ns = {
+                {1, 2, 3, 4},
+                {5, 6, 7, 8},
+                {9, 10, 11, 12}
+        };
+        System.out.println(ns.length); // 3
+        System.out.println(ns[0].length); // 4
+        System.out.println(ns[2][2]); // 11
+
+
+        List<String> collect = Stream.of("111", "wwwdddd", "dddddd", "12").filter(x -> x.length() > 3).collect(Collectors.toList());
     }
 }

budd-demo/src/main/java/io/github/ehlxr/ManagedBlockerTest.java

@@ -0,0 +1,260 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr;
+
+import com.google.common.base.Stopwatch;
+
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+import java.util.List;
+import java.util.concurrent.*;
+import java.util.function.Consumer;
+import java.util.function.Supplier;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+/**
+ * @author ehlxr
+ * @since 2021-09-02 15:52.
+ */
+public class ManagedBlockerTest {
+    static String threadDateTimeInfo() {
+        return DateTimeFormatter.ISO_TIME.format(LocalTime.now()) + Thread.currentThread().getName();
+    }
+
+    static void test1() {
+        List<RecursiveTask<String>> tasks = Stream.generate(() -> new RecursiveTask<String>() {
+            private static final long serialVersionUID = 1303648247573881735L;
+
+            @Override
+            protected String compute() {
+                System.out.println(threadDateTimeInfo() + ":simulate io task blocking for 2 seconds···");
+                try {
+                    //线程休眠2秒模拟IO调用阻塞
+                    TimeUnit.SECONDS.sleep(2);
+                } catch (InterruptedException e) {
+                    throw new Error(e);
+                }
+                return threadDateTimeInfo() + ": io blocking task returns successfully";
+            }
+        }).limit(28).collect(Collectors.toList());
+
+        tasks.forEach(ForkJoinTask::fork);
+        tasks.forEach(e -> {
+            try {
+                System.out.println(e.get());
+            } catch (Exception ex) {
+                ex.printStackTrace();
+            }
+        });
+    }
+
+    public static void main(String[] args) {
+        Stopwatch started = Stopwatch.createStarted();
+        test4();
+        System.out.println(started);
+    }
+
+    static void test2() {
+        List<IoBlockerTask<String>> tasks = Stream.generate(() -> new IoBlockerTask<>(() -> {
+            System.out.println(threadDateTimeInfo() + ":simulate io task blocking for 2 seconds···");
+            try {
+                TimeUnit.SECONDS.sleep(2);
+            } catch (InterruptedException e) {
+                throw new Error(e);
+            }
+            return threadDateTimeInfo() + ": io blocking task returns successfully";
+        })).limit(28).collect(Collectors.toList());
+
+        tasks.forEach(ForkJoinTask::fork);
+        tasks.forEach(e -> {
+            try {
+                System.out.println(e.get());
+            } catch (Exception ex) {
+                ex.printStackTrace();
+            }
+        });
+
+    }
+
+    static void test3() {
+        List<IoBlockerAction> actions = Stream.generate(() -> new IoBlockerAction(() -> {
+            System.out.println(threadDateTimeInfo() + ":simulate io action blocking for 2 seconds···");
+            try {
+                TimeUnit.SECONDS.sleep(2);
+            } catch (InterruptedException e) {
+                throw new Error(e);
+            }
+            System.out.println(threadDateTimeInfo() + ": io blocking action successfully");
+        })).limit(56).collect(Collectors.toList());
+
+        //如果不使用 ManagedBlocker 耗时估算： 56/7（8 cpu - 1） = 8 * 2 =16s，实际 约等于 2s
+
+        actions.forEach(ForkJoinTask::fork);
+        actions.forEach(ForkJoinTask::join);
+    }
+
+    static void test4() {
+        List<IoBlockerAction2<Integer>> actions = Stream.generate(() -> new IoBlockerAction2<>((x) -> {
+            System.out.println(threadDateTimeInfo() + ":simulate io action blocking for 2 seconds···" + x);
+            try {
+                TimeUnit.SECONDS.sleep(2);
+            } catch (InterruptedException e) {
+                throw new Error(e);
+            }
+            System.out.println(threadDateTimeInfo() + ": io blocking action successfully " + x);
+        }, 1)).limit(56).collect(Collectors.toList());
+
+        //如果不使用 ManagedBlocker 耗时估算： 56/7（8 cpu - 1） = 8 * 2 =16s，实际 约等于 2s
+
+        actions.forEach(x -> {
+            x.fork();
+            System.out.println("fork {}"+ x);
+        });
+        actions.forEach(x -> {
+            x.join();
+            System.out.println("join {}"+ x);
+        });
+    }
+
+}
+
+class IoBlockerAction2<T> extends RecursiveAction {
+    private static final long serialVersionUID = -4114798302790287199L;
+    private final MyManagedBlockerImpl<T> blocker;
+
+    public IoBlockerAction2(Consumer<T> consumer, T t) {
+        this.blocker = new MyManagedBlockerImpl<>(consumer, t);
+    }
+
+    static class MyManagedBlockerImpl<T> implements ForkJoinPool.ManagedBlocker {
+        private final Consumer<T> consumer;
+        private final T t;
+
+        public MyManagedBlockerImpl(Consumer<T> consumer, T t) {
+            this.consumer = consumer;
+            this.t = t;
+        }
+
+        @Override
+        public boolean block() {
+            consumer.accept(t);
+            return true;
+        }
+
+        @Override
+        public boolean isReleasable() {
+            return false;
+        }
+    }
+
+    @Override
+    protected void compute() {
+        try {
+            ForkJoinPool.managedBlock(blocker);
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}
+
+class IoBlockerAction extends RecursiveAction {
+    private static final long serialVersionUID = -4114798302790287199L;
+    private final MyManagedBlockerImpl blocker;
+
+    public IoBlockerAction(Runnable runnable) {
+        this.blocker = new MyManagedBlockerImpl(runnable);
+    }
+
+    static class MyManagedBlockerImpl implements ForkJoinPool.ManagedBlocker {
+        private final Runnable runnable;
+
+        public MyManagedBlockerImpl(Runnable runnable) {
+            this.runnable = runnable;
+        }
+
+        @Override
+        public boolean block() {
+            runnable.run();
+            return true;
+        }
+
+        @Override
+        public boolean isReleasable() {
+            return false;
+        }
+    }
+
+    @Override
+    protected void compute() {
+        try {
+            ForkJoinPool.managedBlock(blocker);
+            // setRawResult(blocker.result);
+            // return getRawResult();
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}
+
+class IoBlockerTask<T> extends RecursiveTask<T> {
+    private static final long serialVersionUID = -4114798302790287199L;
+    private final MyManagedBlockerImpl<T> blocker;
+
+    public IoBlockerTask(Supplier<T> supplier) {
+        this.blocker = new MyManagedBlockerImpl<>(supplier);
+    }
+
+    static class MyManagedBlockerImpl<T> implements ForkJoinPool.ManagedBlocker {
+        private final Supplier<T> supplier;
+        private T result;
+
+        public MyManagedBlockerImpl(Supplier<T> supplier) {
+            this.supplier = supplier;
+        }
+
+        @Override
+        public boolean block() {
+            result = supplier.get();
+            return true;
+        }
+
+        @Override
+        public boolean isReleasable() {
+            return false;
+        }
+    }
+
+    @Override
+    protected T compute() {
+        try {
+            ForkJoinPool.managedBlock(blocker);
+            setRawResult(blocker.result);
+            return getRawResult();
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}

budd-server/pom.xml

@@ -0,0 +1,64 @@
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>io.github.ehlxr</groupId>
+        <artifactId>budd</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+    <artifactId>budd-server</artifactId>
+    <name>budd-server</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-configuration-processor</artifactId>
+            <optional>true</optional>
+        </dependency>
+
+        <dependency>
+            <groupId>com.spring4all</groupId>
+            <artifactId>swagger-spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-aop</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>io.github.ehlxr</groupId>
+            <artifactId>budd-demo</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>${spring-boot.version}</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>repackage</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

budd-server/src/main/java/io/github/ehlxr/BuddServerApplication.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2020 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,26 +22,20 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.lock;
+package io.github.ehlxr;
 
-import java.util.concurrent.locks.ReentrantLock;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.web.servlet.ServletComponentScan;
 
 /**
  * @author ehlxr
- * @since 2021-02-15 18:11.
+ * @since 2021-08-29 18:32.
  */
-public class Locker {
-
-
+@SpringBootApplication
+@ServletComponentScan("io.github.ehlxr.filter")
+public class BuddServerApplication {
     public static void main(String[] args) {
-        ReentrantLock lock = new ReentrantLock();
-
-        lock.lock();  // block until condition holds
-        try {
-            // ... method body
-        } finally {
-            lock.unlock();
-        }
+        SpringApplication.run(BuddServerApplication.class, args);
     }
-
 }

budd-server/src/main/java/io/github/ehlxr/aop/LogRequestAop.java

@@ -0,0 +1,141 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.aop;
+
+import com.google.common.base.Strings;
+import io.github.ehlxr.common.Constant;
+import io.github.ehlxr.util.JsonUtils;
+import org.aspectj.lang.JoinPoint;
+import org.aspectj.lang.annotation.*;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.MDC;
+import org.springframework.stereotype.Component;
+import org.springframework.web.context.request.RequestContextHolder;
+import org.springframework.web.context.request.ServletRequestAttributes;
+
+import javax.servlet.http.HttpServletRequest;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+/**
+ * 请求日志记录
+ *
+ * @author ehlxr
+ * @since 2021-08-17 22:03.
+ */
+@Aspect
+@Component
+public class LogRequestAop {
+    private static final Logger log = LoggerFactory.getLogger(LogRequestAop.class);
+
+    // private final AliyunLogManager aliyunLogManager;
+    // /**
+    //  * aliyun log 配置
+    //  */
+    // @Value("${aliyun.log.project:}")
+    // private String projcet;
+    // @Value("${aliyun.log.logstore.request:}")
+    // private String logStore;
+    // @Value("${aliyun.log.topic:}")
+    // private String topic;
+
+    // @Autowired
+    // public LogRequestAop(AliyunLogManager aliyunLogManager) {
+    //     this.aliyunLogManager = aliyunLogManager;
+    // }
+
+    /**
+     * 切入点
+     */
+    @Pointcut("execution(public * io.github.ehlxr.*Controller.*(..)) && !@annotation(io.github.ehlxr.annotations.NoRequestLog)")
+    // @Pointcut("@within(org.springframework.web.bind.annotation.RestController) && !@annotation(com.tzld.piaoquan.incentive.annotations.NoRequestLog)")
+    public void requestLog() {
+    }
+
+    /**
+     * 前置操作
+     */
+    @Before("requestLog()")
+    public void beforeLog() {
+        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
+        HttpServletRequest request = Objects.requireNonNull(attributes).getRequest();
+
+        request.setAttribute(Constant.REQUEST_START_TIME, System.currentTimeMillis());
+    }
+
+    /**
+     * 后置操作
+     */
+    @AfterReturning(pointcut = "requestLog()", returning = "returnValue")
+    public void afterReturning(JoinPoint point, Object returnValue) {
+        logRecord(point, JsonUtils.obj2String(returnValue));
+    }
+
+    @AfterThrowing(pointcut = "requestLog()", throwing = "ex")
+    public void afterThrowing(JoinPoint point, Exception ex) {
+        logRecord(point, ex.getMessage());
+    }
+
+    private void logRecord(JoinPoint point, String message) {
+        try {
+            ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
+            HttpServletRequest request = Objects.requireNonNull(attributes).getRequest();
+
+            Long startTime = (Long) request.getAttribute(Constant.REQUEST_START_TIME);
+            if (Objects.isNull(startTime)) {
+                return;
+            }
+
+            String query = request.getQueryString();
+            String uri = request.getRequestURI();
+
+            Map<String, Object> logMap = new HashMap<>(8);
+            logMap.put("url", Strings.isNullOrEmpty(query) ? uri : uri + "?" + query);
+            logMap.put("method", request.getMethod());
+            logMap.put("header", getHeaders(request));
+            logMap.put("elapsedTime", String.valueOf(System.currentTimeMillis() - startTime));
+            logMap.put("clientIp", request.getRemoteAddr());
+            logMap.put("requestBody", JsonUtils.obj2String(point.getArgs()));
+            logMap.put(Constant.LOG_TRACE_ID, Strings.nullToEmpty(MDC.get(Constant.LOG_TRACE_ID)));
+            logMap.put("responseBody", message);
+
+            // aliyunLogManager.sendLog(projcet, logStore, topic, logMap);
+        } catch (Exception e) {
+            log.error("log report request error", e);
+        }
+    }
+
+    private String getHeaders(HttpServletRequest request) {
+        return Collections.list(request.getHeaderNames())
+                .stream()
+                .collect(Collectors.toMap(
+                        name -> name,
+                        request::getHeader)).toString();
+    }
+}

budd-server/src/main/java/io/github/ehlxr/config/Initialization.java

@@ -0,0 +1,72 @@
+package io.github.ehlxr.config;
+
+
+import io.github.ehlxr.util.SendAlarmUtil;
+import io.github.ehlxr.util.Try;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.ApplicationArguments;
+import org.springframework.boot.ApplicationRunner;
+import org.springframework.stereotype.Component;
+
+/**
+ * 项目初始化
+ *
+ * @author ehlxr
+ * @since 2020/4/22.
+ */
+@Component
+public class Initialization implements ApplicationRunner {
+    private static final Logger log = LoggerFactory.getLogger(Initialization.class);
+
+    @Value("${aliyun.oss.endpoint:}")
+    private String endpoint;
+    @Value("${aliyun.oss.accesskey.id:}")
+    private String accessKeyId;
+    @Value("${aliyun.oss.accesskey.secret:}")
+    private String accessKeySecret;
+    @Value("${aliyun.oss.bucket:}")
+    private String bucket;
+    @Value("${aliyun.oss.key-path:}")
+    private String keyPath;
+    @Value("${aliyun.oss.url-lifetime:0}")
+    private Long urlLifetime;
+
+    @Value("${lk.jmeter.cmd:}")
+    private String jmeterCmd;
+    @Value("${location:}")
+    private String location;
+
+    @Value("${lk.dingtalk-url:}")
+    private String dingtalkUrl;
+
+
+    @Override
+    public void run(ApplicationArguments args) {
+        // 初始化阿里云 OSS 配置信息
+        // AliyunOssConfig config = AliyunOssConfig.newBuilder()
+        //         .endpoint(endpoint)
+        //         .accessKeyId(accessKeyId)
+        //         .accessKeySecret(accessKeySecret)
+        //         .bucketName(bucket)
+        //         .keyPath(keyPath)
+        //         .urlLifetime(urlLifetime)
+        //         .build();
+        // log.info("aliyun oss config {}", config);
+        // FileUploadUtil.init(config);
+        //
+        // if (!"develop".equals(location) && !"PRO2".equals(location)) {
+        //     try {
+        //         ExecShell.execShellCommand(jmeterCmd);
+        //     } catch (Exception e) {
+        //         log.error("exec jmeter cmd error {}", e.getMessage());
+        //     }
+        // }
+
+        // 预警信息发送初始化
+        Try.of(() -> SendAlarmUtil.init(dingtalkUrl))
+                .trap(e -> log.warn("int SendAlarmUtil error: {}", e.getMessage()))
+                .run();
+    }
+}

budd-server/src/main/java/io/github/ehlxr/config/LoggerLevelRefresher.java

@@ -0,0 +1,65 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2022 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.config;
+
+// import com.ctrip.framework.apollo.model.ConfigChangeEvent;
+// import com.ctrip.framework.apollo.spring.annotation.ApolloConfigChangeListener;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.logging.LoggingSystem;
+// import org.springframework.stereotype.Component;
+
+/**
+ * 结合 apollo 配置中心动态刷新（logging.level.）日志级别
+ *
+ * @author ehlxr
+ * @since 2022-01-06 17:43.
+ */
+// @Component
+public class LoggerLevelRefresher {
+    private static final Logger logger = LoggerFactory.getLogger(LoggerLevelRefresher.class);
+    private static final String LOGGER_TAG = "logging.level.";
+    private final LoggingSystem loggingSystem;
+
+    @Autowired
+    public LoggerLevelRefresher(LoggingSystem loggingSystem) {
+        this.loggingSystem = loggingSystem;
+    }
+
+    // @ApolloConfigChangeListener(interestedKeyPrefixes = LOGGER_TAG)
+    // private void onChange(ConfigChangeEvent changeEvent) {
+    //     for (String key : changeEvent.changedKeys()) {
+    //         String strLevel = changeEvent.getChange(key).getNewValue();
+    //         loggingSystem.setLogLevel(key.replaceAll(LOGGER_TAG, ""),
+    //                 LogLevel.valueOf(strLevel.toUpperCase()));
+    //
+    //         logger.info("logging changed: {}, oldValue: {}, newValue: {}",
+    //                 key, changeEvent.getChange(key).getOldValue(), strLevel);
+    //     }
+    // }
+
+}

budd-server/src/main/java/io/github/ehlxr/controller/IndexController.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2020 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,25 +22,34 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr.extension;
+package io.github.ehlxr.controller;
 
-import java.lang.annotation.*;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
 
 /**
- * 把一个接口标识成扩展点。
- * <p>
- * 没有此注释的接口 {@link ExtensionLoader} 会拒绝接管
- *
  * @author ehlxr
- * @see ExtensionLoader
+ * @since 2021-08-29 18:45.
  */
-@Documented
-@Retention(RetentionPolicy.RUNTIME)
-@Target({ElementType.TYPE})
-public @interface SPI {
+@RestController
+@Api(tags = "测试辅助接口")
+public class IndexController {
+    private static final Logger log = LoggerFactory.getLogger(IndexController.class);
 
     /**
-     * the default extension name.
+     * 健康检测
      */
-    String value() default "";
+    @ApiOperation(value = "健康检测", notes = "健康检测")
+    @GetMapping("/healthcheck")
+    public String healthcheck() {
+        log.debug("env {}", System.getProperty("env"));
+
+        return "ok";
+    }
+
+
 }

budd-server/src/main/java/io/github/ehlxr/controller/redis/RedisController.java

@@ -0,0 +1,77 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2021 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.controller.redis;
+
+import io.github.ehlxr.util.RedisUtil;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.UUID;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * @author ehlxr
+ * @since 2021-08-30 10:08.
+ */
+@RestController
+@Api(tags = "Redis 测试接口")
+@RequestMapping("/redis")
+public class RedisController {
+    private static final Logger log = LoggerFactory.getLogger(RedisController.class);
+
+
+    /**
+     * Redis 锁测试
+     */
+    @ApiOperation(value = "Redis 锁", notes = "Redis 锁测试")
+    @GetMapping("/lock/test")
+    public void lockTest() {
+        Runnable runnable = () -> {
+            String uuid = UUID.randomUUID().toString();
+            log.info("{} retry lock...", Thread.currentThread().getName());
+            boolean lock = RedisUtil.getDistributedLock("lock", uuid, 30_000);
+            if (lock) {
+                log.info("{} get lock!", Thread.currentThread().getName());
+
+                try {
+                    TimeUnit.SECONDS.sleep(1);
+                    // ...
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                } finally {
+                    Boolean locak = RedisUtil.releaseDistributedLock("lock", uuid);
+                    log.info("{} release lock {}", Thread.currentThread().getName(), locak);
+                }
+            }
+        };
+        new Thread(runnable, "t1").start();
+        new Thread(runnable, "t2").start();
+    }
+}

budd-server/src/main/java/io/github/ehlxr/filter/CustomFilter.java

@@ -0,0 +1,42 @@
+package io.github.ehlxr.filter;
+
+import io.github.ehlxr.common.Constant;
+import io.github.ehlxr.util.IdUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.MDC;
+import org.springframework.core.annotation.Order;
+
+import javax.servlet.*;
+import javax.servlet.annotation.WebFilter;
+import java.io.IOException;
+
+/**
+ * auth filter
+ *
+ * @author supeng
+ * @date 2020/08/31
+ */
+@Order(value = 1)
+@WebFilter(filterName = "customFilter", urlPatterns = {"/api/*"})
+public class CustomFilter implements Filter {
+    private static final Logger log = LoggerFactory.getLogger(CustomFilter.class);
+
+    @Override
+    public void init(FilterConfig filterConfig) {
+        log.info("customFilter init");
+    }
+
+    @Override
+    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
+            throws IOException, ServletException {
+        MDC.put(Constant.LOG_TRACE_ID, String.valueOf(IdUtil.localId()));
+        filterChain.doFilter(servletRequest, servletResponse);
+        MDC.remove(Constant.LOG_TRACE_ID);
+    }
+
+    @Override
+    public void destroy() {
+        log.info("customFilter destroy");
+    }
+}

budd-server/src/main/java/io/github/ehlxr/handler/GlobalExceptionHandler.java

@@ -0,0 +1,66 @@
+package io.github.ehlxr.handler;
+
+import io.github.ehlxr.common.Constant;
+import io.github.ehlxr.common.Result;
+import io.github.ehlxr.enums.CodeEnum;
+import io.github.ehlxr.exception.ServiceDataException;
+import org.assertj.core.util.Strings;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.MDC;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.multipart.MultipartException;
+import org.springframework.web.servlet.mvc.support.RedirectAttributes;
+
+import javax.servlet.http.HttpServletRequest;
+
+/**
+ * @author ehlxr
+ * @since 2020/4/20.
+ */
+@ControllerAdvice
+public class GlobalExceptionHandler {
+    private static final Logger log = LoggerFactory.getLogger(GlobalExceptionHandler.class);
+
+    @ExceptionHandler(Exception.class)
+    @ResponseBody
+    public Result<?> defaultExceptionHandler(HttpServletRequest request, Exception e) {
+        log.error("request: {}, exception: ", request.getRequestURI(), e);
+
+        // SendAlarmUtil.send(String.format("未知异常 request: %s, exception: %s", request.getRequestURI(), ExceptionUtils.getStackTrace(e)),
+        //         (t, u) -> log.info("send exception message to dingtalk result {} ", t, u));
+
+        String msg = CodeEnum.UNKNOWN_EXCEPTION.getMessage();
+        String traceId = MDC.get(Constant.LOG_TRACE_ID);
+        if (!Strings.isNullOrEmpty(traceId)) {
+            msg = String.format("%s（%s）", msg, traceId);
+        }
+
+        return Result.of(CodeEnum.UNKNOWN_EXCEPTION.getCode(), null, msg);
+    }
+
+    @ExceptionHandler(ServiceDataException.class)
+    @ResponseBody
+    public Result<?> serviceDataExceptionHandler(HttpServletRequest request, ServiceDataException e) {
+        log.error("request: {} service exception: ", request.getRequestURI(), e);
+
+        // SendAlarmUtil.send(String.format("业务异常 request: %s, service exception: %s", request.getRequestURI(), ExceptionUtils.getStackTrace(e)),
+        //         (t, u) -> log.info("send service exception message to dingtalk result {} ", t, u));
+
+        String msg = e.getMessage();
+        String traceId = MDC.get(Constant.LOG_TRACE_ID);
+        if (!Strings.isNullOrEmpty(traceId)) {
+            msg = String.format("%s（%s）", msg, traceId);
+        }
+
+        return Result.of(e.getCode(), null, msg);
+    }
+
+    @ExceptionHandler(MultipartException.class)
+    public String handleError(MultipartException e, RedirectAttributes redirectAttributes) {
+        redirectAttributes.addFlashAttribute("message", e.getCause().getMessage());
+        return "redirect:/uploadStatus";
+    }
+}

budd-server/src/main/java/io/github/ehlxr/interceptor/TraceInterceptor.java

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright © 2020 xrv <xrg@live.com>
+ * Copyright © 2020 xrv <xrv@live.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,34 +22,31 @@
  * THE SOFTWARE.
  */
 
-package io.github.ehlxr;
+package io.github.ehlxr.interceptor;
+
+import io.github.ehlxr.common.Constant;
+import io.github.ehlxr.util.IdUtil;
+import org.slf4j.MDC;
+import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 
 /**
+ * 日志 traceid Interceptor
+ *
  * @author ehlxr
- * @date 2018/8/21
+ * @since 2020-12-23 11:23.
  */
-public class ReferenceCountingGC {
-    public Object instance = null;
-    private static final int _1MB = 1024 * 1024;
-    /**
-     * 这个成员属性的唯一意义就是占点内存，以便在能在 GC 日志中看清楚是否有回收过
-     */
-    private final byte[] bigSize = new byte[2 * _1MB];
-
-    public static void testGC() {
-        ReferenceCountingGC objA = new ReferenceCountingGC();
-        ReferenceCountingGC objB = new ReferenceCountingGC();
-        objA.instance = objB;
-        objB.instance = objA;
-
-        objA = null;
-        objB = null;
-
-        // 假设在这行发生 GC，objA 和 objB 是否能被回收？
-        System.gc();
+public class TraceInterceptor extends HandlerInterceptorAdapter {
+    @Override
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
+        MDC.put(Constant.LOG_TRACE_ID, String.valueOf(IdUtil.localId()));
+        return true;
     }
 
-    public static void main(String[] args) {
-        testGC();
+    @Override
+    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
+        MDC.remove(Constant.LOG_TRACE_ID);
     }
 }

budd-server/src/main/resources/application-dev.yml

@@ -0,0 +1,17 @@
+server:
+  port: 8081
+
+springfox:
+  documentation:
+    enabled: true
+swagger:
+  base-package: io.github.ehlxr
+  base-path: /**
+  contact:
+    email: xrv@live.com
+    name: rtg
+    url: https://ehlxr.me
+  description: swagger of budd server
+  exclude-path: /error, /ops/**
+  title: budd swagger
+  version: 0.0.1-SNAPSHOT

budd-server/src/main/resources/application.yml

@@ -0,0 +1,18 @@
+spring:
+  profiles:
+    active: dev
+  application:
+    name: budd
+
+server:
+  tomcat:
+    uri-encoding: UTF-8
+    accept-count: 1000
+    connection-timeout: 30000
+  servlet:
+    context-path: /budd
+    session:
+      timeout: 60
+logging:
+  file:
+    path: /Users/ehlxr/logs/${spring.application.name}

budd-server/src/main/resources/logback-spring.xml

@@ -0,0 +1,264 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- 日志级别从低到高分为TRACE < DEBUG < INFO < WARN < ERROR < FATAL，如果设置为WARN，则低于WARN的信息都不会输出 -->
+<!-- scan:当此属性设置为true时，配置文件如果发生改变，将会被重新加载，默认值为true -->
+<!-- scanPeriod:设置监测配置文件是否有修改的时间间隔，如果没有给出时间单位，默认单位是毫秒。当scan为true时，此属性生效。默认的时间间隔为1分钟。 -->
+<!-- debug:当此属性设置为true时，将打印出logback内部日志信息，实时查看logback运行状态。默认值为false。 -->
+<configuration scan="true" scanPeriod="10 seconds">
+    <!--<include resource="org/springframework/boot/logging/logback/base.xml"/>-->
+
+    <contextName>logback</contextName>
+    <!-- name的值是变量的名称，value的值时变量定义的值。通过定义的值会被插入到logger上下文中。定义变量后，可以使“${}”来使用变量。 -->
+    <!-- <property name="LOG_PATH"  value="${logging.file.path}" />-->
+
+    <springProperty name="LOG_PATH" source="logging.file.path"/>
+    <!--<springProperty name="ALIYUN_LOG_ENDPOINT" source="aliyun.log.endpoint"/>-->
+    <!--<springProperty name="ALIYUN_LOG_ACCESSKEYID" source="aliyun.log.accessKeyId"/>-->
+    <!--<springProperty name="ALIYUN_LOG_ACCESSKEYSECRET" source="aliyun.log.accessKeySecret"/>-->
+    <!--<springProperty name="ALIYUN_LOG_PROJECT" source="aliyun.log.project"/>-->
+    <!--<springProperty name="ALIYUN_LOG_LOGSTORE_INFO" source="aliyun.log.logstore.info"/>-->
+    <!--<springProperty name="ALIYUN_LOG_LOGSTORE_ERROR" source="aliyun.log.logstore.error"/>-->
+
+    <!-- 彩色日志 -->
+    <!-- 彩色日志依赖的渲染类 -->
+    <conversionRule conversionWord="clr" converterClass="org.springframework.boot.logging.logback.ColorConverter"/>
+    <conversionRule conversionWord="wex"
+                    converterClass="org.springframework.boot.logging.logback.WhitespaceThrowableProxyConverter"/>
+    <conversionRule conversionWord="wEx"
+                    converterClass="org.springframework.boot.logging.logback.ExtendedWhitespaceThrowableProxyConverter"/>
+    <!-- 彩色日志格式 -->
+    <property name="CONSOLE_LOG_PATTERN"
+              value="${CONSOLE_LOG_PATTERN:-%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(${LOG_LEVEL_PATTERN:-%5p}) %clr([%X{logTraceId}]){magenta} %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}}"/>
+    <!--<property name="CONSOLE_LOG_PATTERN"-->
+    <!--          value="${CONSOLE_LOG_PATTERN:-%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(${LOG_LEVEL_PATTERN:-%5p}) %clr([%X{√logTraceId}]){magenta} %clr(-&#45;&#45;){faint} %clr([%15.15t]){faint} %clr(at %class.%method){cyan} \\(%file:%line\\) %clr(:){faint} %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}}"/>-->
+
+    <!--输出到控制台-->
+    <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
+        <!--此日志appender是为开发使用，只配置最底级别，控制台输出的日志级别是大于或等于此级别的日志信息-->
+        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
+            <level>debug</level>
+        </filter>
+        <encoder>
+            <Pattern>${CONSOLE_LOG_PATTERN}</Pattern>
+            <!-- 设置字符集 -->
+            <charset>UTF-8</charset>
+        </encoder>
+    </appender>
+
+    <!--输出到文件-->
+    <!-- 时间滚动输出 level为 DEBUG 日志 -->
+    <appender name="DEBUG_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
+        <!-- 正在记录的日志文件的路径及文件名 -->
+        <file>${LOG_PATH}/debug.log</file>
+        <!--日志文件输出格式-->
+        <encoder>
+            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level [%X{logTraceId}] %logger{50} [%L] - %msg%n</pattern>
+            <charset>UTF-8</charset> <!-- 设置字符集 -->
+        </encoder>
+        <!-- 日志记录器的滚动策略，按日期，按大小记录 -->
+        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+            <!-- 日志归档 -->
+            <fileNamePattern>${LOG_PATH}/debug/%d{yyyy-MM-dd}.%i.log</fileNamePattern>
+            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
+                <maxFileSize>100MB</maxFileSize>
+            </timeBasedFileNamingAndTriggeringPolicy>
+            <!--日志文件保留天数-->
+            <maxHistory>15</maxHistory>
+        </rollingPolicy>
+        <!-- 此日志文件只记录debug级别的 -->
+        <filter class="ch.qos.logback.classic.filter.LevelFilter">
+            <level>debug</level>
+            <onMatch>ACCEPT</onMatch>
+            <onMismatch>DENY</onMismatch>
+        </filter>
+    </appender>
+
+    <!-- 时间滚动输出 level为 INFO 日志 -->
+    <appender name="INFO_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
+        <!-- 正在记录的日志文件的路径及文件名 -->
+        <file>${LOG_PATH}/info.log</file>
+        <!--日志文件输出格式-->
+        <encoder>
+            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level [%X{logTraceId}] %logger{50} [%L] - %msg%n</pattern>
+            <charset>UTF-8</charset>
+        </encoder>
+        <!-- 日志记录器的滚动策略，按日期，按大小记录 -->
+        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+            <!-- 每天日志归档路径以及格式 -->
+            <fileNamePattern>${LOG_PATH}/info/%d{yyyy-MM-dd}.%i.log</fileNamePattern>
+            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
+                <maxFileSize>100MB</maxFileSize>
+            </timeBasedFileNamingAndTriggeringPolicy>
+            <!--日志文件保留天数-->
+            <maxHistory>15</maxHistory>
+        </rollingPolicy>
+        <!-- 此日志文件只记录info级别的 -->
+        <filter class="ch.qos.logback.classic.filter.LevelFilter">
+            <level>info</level>
+            <onMatch>ACCEPT</onMatch>
+            <onMismatch>DENY</onMismatch>
+        </filter>
+    </appender>
+
+    <!-- 时间滚动输出 level为 WARN 日志 -->
+    <appender name="WARN_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
+        <!-- 正在记录的日志文件的路径及文件名 -->
+        <file>${LOG_PATH}/warn.log</file>
+        <!--日志文件输出格式-->
+        <encoder>
+            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level [%X{logTraceId}] %logger{50} [%L] - %msg%n</pattern>
+            <charset>UTF-8</charset> <!-- 此处设置字符集 -->
+        </encoder>
+        <!-- 日志记录器的滚动策略，按日期，按大小记录 -->
+        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+            <fileNamePattern>${LOG_PATH}/warn/%d{yyyy-MM-dd}.%i.log</fileNamePattern>
+            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
+                <maxFileSize>100MB</maxFileSize>
+            </timeBasedFileNamingAndTriggeringPolicy>
+            <!--日志文件保留天数-->
+            <maxHistory>15</maxHistory>
+        </rollingPolicy>
+        <!-- 此日志文件只记录warn级别的 -->
+        <filter class="ch.qos.logback.classic.filter.LevelFilter">
+            <level>warn</level>
+            <onMatch>ACCEPT</onMatch>
+            <onMismatch>DENY</onMismatch>
+        </filter>
+    </appender>
+
+    <!-- 时间滚动输出 level为 ERROR 日志 -->
+    <appender name="ERROR_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
+        <!-- 正在记录的日志文件的路径及文件名 -->
+        <file>${LOG_PATH}/error.log</file>
+        <!--日志文件输出格式-->
+        <encoder>
+            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level [%X{logTraceId}] %logger{50} [%L] - %msg%n</pattern>
+            <charset>UTF-8</charset> <!-- 此处设置字符集 -->
+        </encoder>
+        <!-- 日志记录器的滚动策略，按日期，按大小记录 -->
+        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+            <fileNamePattern>${LOG_PATH}/error/%d{yyyy-MM-dd}.%i.log</fileNamePattern>
+            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
+                <maxFileSize>100MB</maxFileSize>
+            </timeBasedFileNamingAndTriggeringPolicy>
+            <!--日志文件保留天数-->
+            <maxHistory>15</maxHistory>
+        </rollingPolicy>
+        <!-- 此日志文件只记录ERROR级别的 -->
+        <filter class="ch.qos.logback.classic.filter.LevelFilter">
+            <level>ERROR</level>
+            <onMatch>ACCEPT</onMatch>
+            <onMismatch>DENY</onMismatch>
+        </filter>
+    </appender>
+    <!--
+        <appender name="ALIYUN_LOG_INFO" class="com.aliyun.openservices.log.logback.LoghubAppender">
+            <endpoint>${ALIYUN_LOG_ENDPOINT}</endpoint>
+            <accessKeyId>${ALIYUN_LOG_ACCESSKEYID}</accessKeyId>
+            <accessKeySecret>${ALIYUN_LOG_ACCESSKEYSECRET}</accessKeySecret>
+            <project>${ALIYUN_LOG_PROJECT}</project>
+            <logStore>${ALIYUN_LOG_LOGSTORE_INFO}</logStore>
+
+            <totalSizeInBytes>104857600</totalSizeInBytes>
+            <maxBlockMs>0</maxBlockMs>
+            <ioThreadCount>8</ioThreadCount>
+            <batchSizeThresholdInBytes>524288</batchSizeThresholdInBytes>
+            <batchCountThreshold>4096</batchCountThreshold>
+            <lingerMs>2000</lingerMs>
+            <retries>10</retries>
+            <baseRetryBackoffMs>100</baseRetryBackoffMs>
+            <maxRetryBackoffMs>50000</maxRetryBackoffMs>
+
+            <encoder>
+                <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level [%X{logTraceId}] %logger{50} [%L] - %msg%n</pattern>
+                <charset>UTF-8</charset>
+            </encoder>
+
+            <timeFormat>yyyy-MM-dd'T'HH:mmZ</timeFormat>
+            <timeZone>Asia/Shanghai</timeZone>
+
+            <filter class="ch.qos.logback.classic.filter.LevelFilter">
+                <level>INFO</level>
+            </filter>
+
+            <mdcFields>logTraceId</mdcFields>
+        </appender>
+
+        <appender name="ALIYUN_LOG_ERROR" class="com.aliyun.openservices.log.logback.LoghubAppender">
+            <endpoint>${ALIYUN_LOG_ENDPOINT}</endpoint>
+            <accessKeyId>${ALIYUN_LOG_ACCESSKEYID}</accessKeyId>
+            <accessKeySecret>${ALIYUN_LOG_ACCESSKEYSECRET}</accessKeySecret>
+            <project>${ALIYUN_LOG_PROJECT}</project>
+            <logStore>${ALIYUN_LOG_LOGSTORE_ERROR}</logStore>
+
+            <totalSizeInBytes>104857600</totalSizeInBytes>
+            <maxBlockMs>0</maxBlockMs>
+            <ioThreadCount>8</ioThreadCount>
+            <batchSizeThresholdInBytes>524288</batchSizeThresholdInBytes>
+            <batchCountThreshold>4096</batchCountThreshold>
+            <lingerMs>2000</lingerMs>
+            <retries>10</retries>
+            <baseRetryBackoffMs>100</baseRetryBackoffMs>
+            <maxRetryBackoffMs>50000</maxRetryBackoffMs>
+
+            <encoder>
+                <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level [%X{logTraceId}] %logger{50} [%L] - %msg%n</pattern>
+                <charset>UTF-8</charset>
+            </encoder>
+
+            <timeFormat>yyyy-MM-dd'T'HH:mmZ</timeFormat>
+            <timeZone>Asia/Shanghai</timeZone>
+
+            <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
+                <level>ERROR</level>
+            </filter>
+
+            <mdcFields>logTraceId</mdcFields>
+        </appender>
+    -->
+    <!--
+        <logger>用来设置某一个包或者具体的某一个类的日志打印级别、
+        以及指定<appender>。<logger>仅有一个name属性，
+        一个可选的level和一个可选的addtivity属性。
+        name:用来指定受此logger约束的某一个包或者具体的某一个类。
+        level:用来设置打印级别，大小写无关：TRACE, DEBUG, INFO, WARN, ERROR, ALL 和 OFF，
+              还有一个特俗值INHERITED或者同义词NULL，代表强制执行上级的级别。
+              如果未设置此属性，那么当前logger将会继承上级的级别。
+        addtivity:是否向上级logger传递打印信息。默认是true。
+    -->
+    <!--<logger name="org.springframework.web" level="info"/>-->
+    <!--<logger name="org.springframework.scheduling.annotation.ScheduledAnnotationBeanPostProcessor" level="INFO"/>-->
+    <!--
+        使用mybatis的时候，sql语句是debug下才会打印，而这里我们只配置了info，所以想要查看sql语句的话，有以下两种操作：
+        第一种把<root level="info">改成<root level="DEBUG">这样就会打印sql，不过这样日志那边会出现很多其他消息
+        第二种就是单独给dao下目录配置debug模式，代码如下，这样配置sql语句会打印，其他还是正常info级别：
+     -->
+
+    <!--
+        root节点是必选节点，用来指定最基础的日志输出级别，只有一个level属性
+        level:用来设置打印级别，大小写无关：TRACE, DEBUG, INFO, WARN, ERROR, ALL 和 OFF，
+        不能设置为INHERITED或者同义词NULL。默认是DEBUG
+        可以包含零个或多个元素，标识这个appender将会添加到这个logger。
+    -->
+
+    <springProfile name="dev">
+        <logger name="io.github.ehlxr" level="debug"/>
+    </springProfile>
+    <!--<logger name="com.netflix.discovery.shared.resolver.aws.ConfigClusterResolver" level="warn"/>-->
+
+    <!-- 可用来获取 StatusManager 中的状态 -->
+    <!--<statusListener class="ch.qos.logback.core.status.OnConsoleStatusListener"/>-->
+    <!-- 解决 aliyun loghub debug模式下循环发送的问题 -->
+    <logger name="org.apache.http.impl.conn.Wire" level="WARN"/>
+    <!--aliyun loghub 为了防止进程退出时，内存中的数据丢失，请加上此选项-->
+    <shutdownHook class="ch.qos.logback.core.hook.DelayingShutdownHook"/>
+
+    <root level="info">
+        <appender-ref ref="CONSOLE"/>
+        <!--<appender-ref ref="DEBUG_FILE"/>-->
+        <!--<appender-ref ref="INFO_FILE"/>-->
+        <!--<appender-ref ref="WARN_FILE"/>-->
+        <!--<appender-ref ref="ERROR_FILE"/>-->
+        <!--<appender-ref ref="ALIYUN_LOG_INFO"/>-->
+        <!--<appender-ref ref="ALIYUN_LOG_ERROR"/>-->
+    </root>
+</configuration>

budd-server/src/test/java/com/tzld/activity/ServerApplicationTests.java

@@ -0,0 +1,65 @@
+package com.tzld.activity;
+
+import io.github.ehlxr.semaphore.RedisSemaphore;
+import io.github.ehlxr.semaphore.SemaphoreInfo;
+import org.junit.jupiter.api.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.concurrent.*;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest()
+class ServerApplicationTests {
+
+    ThreadPoolExecutor pool = new ThreadPoolExecutor(10, 10, 0, TimeUnit.MINUTES,
+            new LinkedBlockingQueue<>(),
+            Executors.defaultThreadFactory(),
+            new ThreadPoolExecutor.CallerRunsPolicy());
+    @Autowired
+    private RedisTemplate<String, String> redisTemplate;
+
+    @Test
+    public void testNonFair() throws InterruptedException {
+        SemaphoreInfo semaphoreInfo = new SemaphoreInfo("NonFair", 5, 10);
+        for (int i = 0; i < 10; i++) {
+            String id = String.valueOf(i);
+            RedisSemaphore semaphore = new RedisSemaphore(semaphoreInfo, redisTemplate, id);
+            CompletableFuture.supplyAsync(semaphore::tryAcquire, pool).thenAcceptAsync((r) -> {
+                if (r) System.out.println(id + "成功获取到信号量 (NonFair)~ ⭐⭐⭐");
+                else System.out.println(id + "没有获取到信号量 (NonFair)");
+                try {
+                    Thread.sleep(1000);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+                semaphore.release();
+            }, pool);
+        }
+        Thread.sleep(Long.MAX_VALUE);
+    }
+
+    @Test
+    public void testFair() throws ExecutionException, InterruptedException {
+        SemaphoreInfo semaphoreInfo = new SemaphoreInfo("Fair", 5, 10, true);
+        for (int i = 0; i < 10; i++) {
+            String id = String.valueOf(i);
+            RedisSemaphore semaphore = new RedisSemaphore(semaphoreInfo, redisTemplate, id);
+            CompletableFuture.supplyAsync(semaphore::tryAcquire, pool).thenAcceptAsync((r) -> {
+                if (r) System.out.println(id + "成功获取到信号量 (Fair)~~ ⭐⭐⭐");
+                else System.out.println(id + "没有获取到信号量 (Fair)");
+                try {
+                    Thread.sleep(1000);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+                semaphore.release();
+            }, pool);
+        }
+        Thread.sleep(Long.MAX_VALUE);
+    }
+
+}

budd-utils/pom.xml

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>io.github.ehlxr</groupId>
+        <artifactId>budd</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>budd-utils</artifactId>
+
+    <properties>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+                <version>3.2.1</version>
+                <executions>
+                    <execution>
+                        <id>attach-sources</id>
+                        <goals>
+                            <goal>jar-no-fork</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

budd-utils/src/main/java/io/github/ehlxr/utils/Try.java

@@ -0,0 +1,424 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright © 2020 xrv <xrv@live.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package io.github.ehlxr.utils;
+
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.function.Consumer;
+
+/**
+ * 异常处理，简化 try catch
+ *
+ * @author ehlxr
+ * @since 2020-12-03 10:37.
+ */
+public interface Try {
+    /**
+     * 构建消费型（有入参，无返回）Tryable 对象
+     *
+     * @param consumer {@link ThrowableConsumer} 类型函数式接口
+     * @param <P>      入参类型
+     * @return {@link TryConsumer}
+     */
+    static <P> TryConsumer<P> of(ThrowableConsumer<? super P> consumer) {
+        return new TryConsumer<>(consumer);
+    }
+
+    /**
+     * 构建供给型（无入参，有返回）Tryable 对象
+     *
+     * @param supplier {@link ThrowableSupplier} 类型函数式接口
+     * @param <R>      返回值类型
+     * @return {@link TrySupplier}
+     */
+    static <R> TrySupplier<R> of(ThrowableSupplier<? extends R> supplier) {
+        return new TrySupplier<>(supplier);
+    }
+
+    /**
+     * 构建功能型（有入参，有返回）Tryable 对象
+     *
+     * @param function {@link ThrowableFunction} 类型函数式接口
+     * @param <P>      入参类型
+     * @param <R>      返回值类型
+     * @return {@link TryFunction}
+     */
+    static <P, R> TryFunction<P, R> of(ThrowableFunction<? super P, ? extends R> function) {
+        return new TryFunction<>(function);
+    }
+
+    /**
+     * 构建运行型（无入参，无返回）Tryable 对象
+     *
+     * @param runnable {@link ThrowableRunnable} 类型函数式接口
+     * @return {@link TryRunnable}
+     */
+    static TryRunnable of(ThrowableRunnable runnable) {
+        return new TryRunnable(runnable);
+    }
+
+    @SuppressWarnings({"ConstantConditions", "Convert2MethodRef"})
+    static void main(String[] args) {
+        System.out.println("------------有返回值，无入参----------------");
+        // 有返回值，无入参
+        String param = "hello";
+        Long result = Try.of(() -> Long.valueOf(param)).get(0L);
+        System.out.println("Long.valueOf 1: " + result);
+
+        result = Try.of(() -> Long.valueOf(param)).get();
+        System.out.println("Long.valueOf 2: " + result);
+
+        System.out.println("------------有返回值，有入参----------------");
+        // 有返回值，有入参
+        result = Try.<Map<String, String>, Long>of(s -> Long.valueOf(s.get("k1")))
+                // .apply(ImmutableMap.of("k1", param))
+                .trap(e -> System.out.println("Long.valueOf exception: " + e.getMessage()))
+                .andFinally(() -> System.out.println("This message will ignore."))
+                .andFinally(s -> {
+                    // Map<String, Object> returnMap = JsonUtils.string2Obj(JsonUtils.obj2String(s), new TypeReference<Map<String, Object>>() {
+                    // });
+                    // System.out.println("Long.valueOf finally run code." + s);
+                    // // 演示抛异常
+                    // String k2 = returnMap.get("k2").toString();
+                    // System.out.println(k2);
+                })
+                .finallyTrap(e -> System.out.println("Long.valueOf finally exception: " + e.getMessage()))
+                .get();
+        System.out.println("Long.valueOf 3: " + result);
+
+        ArrayList<String> list = null;
+
+        System.out.println("-----------无返回值，无入参-----------------");
+        // 无返回值，无入参
+        Try.of(() -> Thread.sleep(-1L))
+                .andFinally(() -> list.clear())
+                // .andFinally(list::clear) //https://stackoverflow.com/questions/37413106/java-lang-nullpointerexception-is-thrown-using-a-method-reference-but-not-a-lamb
+                .run();
+
+        System.out.println("--------------无返回值，有入参--------------");
+        // 无返回值，有入参
+        Try.<String>of(v -> list.add(0, v))
+                .andFinally(s -> System.out.println(s))
+                .accept("hello");
+    }
+
+    class TryRunnable extends Tryable<TryRunnable> {
+        private final ThrowableRunnable runnable;
+
+        protected TryRunnable(ThrowableRunnable runnable) {
+            Objects.requireNonNull(runnable, "No runnable present");
+            this.runnable = runnable;
+
+            super.c = this;
+        }
+
+        /**
+         * 计算结果
+         */
+        public void run() {
+            try {
+                runnable.run();
+            } catch (final Throwable e) {
+                Optional.ofNullable(throwConsumer).ifPresent(tc -> tc.accept(e));
+            } finally {
+                doFinally();
+            }
+        }
+    }
+
+    class TrySupplier<R> extends Tryable<TrySupplier<R>> {
+        private final ThrowableSupplier<? extends R> supplier;
+
+        protected TrySupplier(ThrowableSupplier<? extends R> supplier) {
+            Objects.requireNonNull(supplier, "No supplier present");
+            this.supplier = supplier;
+
+            super.c = this;
+        }
+
+        /**
+         * 如果有异常返回默认值，否则返回计算结果
+         *
+         * @param r 指定默认值
+         * @return 实际值或默认值
+         */
+        public R get(R r) {
+            try {
+                return supplier.get();
+            } catch (final Throwable e) {
+                Optional.ofNullable(throwConsumer).ifPresent(tc -> tc.accept(e));
+                return r;
+            } finally {
+                doFinally();
+            }
+        }
+
+        /**
+         * 如果有异常返回 null，否则返回计算结果
+         *
+         * @return 实际值或 null
+         */
+        public R get() {
+            try {
+                return supplier.get();
+            } catch (final Throwable e) {
+                Optional.ofNullable(throwConsumer).ifPresent(tc -> tc.accept(e));
+                return null;
+            } finally {
+                doFinally();
+            }
+        }
+    }
+
+    @FunctionalInterface
+    interface ThrowableConsumer<P> {
+        /**
+         * Performs this operation on the given argument.
+         *
+         * @param p the input argument
+         * @throws Throwable throwable
+         */
+        void accept(P p) throws Throwable;
+    }
+
+    @FunctionalInterface
+    interface ThrowableSupplier<R> {
+        /**
+         * Gets a result.
+         *
+         * @return a result
+         * @throws Throwable throwable
+         */
+        R get() throws Throwable;
+    }
+
+    @FunctionalInterface
+    interface ThrowableRunnable {
+        /**
+         * Performs this operation
+         *
+         * @throws Throwable throwable
+         */
+        void run() throws Throwable;
+    }
+
+    @FunctionalInterface
+    interface ThrowableFunction<P, R> {
+        /**
+         * Applies this function to the given argument.
+         *
+         * @param p the function argument
+         * @return the function result
+         * @throws Throwable throwable
+         */
+        R apply(P p) throws Throwable;
+    }
+
+    abstract class Tryable<C> {
+        Consumer<? super Throwable> throwConsumer;
+        ThrowableRunnable finallyRunnable;
+        ThrowableConsumer<? super Object> finallyConsumer;
+        Consumer<? super Throwable> finallyThrowConsumer;
+        C c;
+
+        /**
+         * 处理 finally
+         */
+        protected void doFinally() {
+            Optional.ofNullable(finallyRunnable).ifPresent(r -> {
+                try {
+                    r.run();
+                } catch (final Throwable e) {
+                    Optional.ofNullable(finallyThrowConsumer).ifPresent(tc -> tc.accept(e));
+                }
+            });
+        }
+
+        /**
+         * 处理带参数类型 finally
+         *
+         * @param p   入参
+         * @param <P> 入参类型
+         */
+        protected <P> void doFinally(P p) {
+            if (Objects.nonNull(finallyConsumer)) {
+                try {
+                    finallyConsumer.accept(p);
+                } catch (final Throwable e) {
+                    Optional.ofNullable(finallyThrowConsumer).ifPresent(tc -> tc.accept(e));
+                }
+            } else {
+                doFinally();
+            }
+        }
+
+        /**
+         * 如果有异常，调用自定义异常处理表达式
+         *
+         * @param throwableConsumer 自定义异常处理 lambda 表达式
+         * @return {@link C}
+         */
+        public C trap(Consumer<? super Throwable> throwableConsumer) {
+            Objects.requireNonNull(throwableConsumer, "No throwableConsumer present");
+            this.throwConsumer = throwableConsumer;
+            return c;
+        }
+
+        /**
+         * 自定义 finally 处理表达式
+         * <p>
+         * 注意：如果类型为 {@link TryConsumer}、{@link TryFunction} 并且已经调用 {@link #andFinally(ThrowableConsumer)} 则忽略
+         *
+         * @param finallyRunnable finally 处理 lambda 表达式
+         * @return {@link C}
+         */
+        public C andFinally(ThrowableRunnable finallyRunnable) {
+            Objects.requireNonNull(finallyRunnable, "No finallyRunnable present");
+            this.finallyRunnable = finallyRunnable;
+            return c;
+        }
+
+        /**
+         * 自定义 finally 处理表达式
+         * <p>
+         * 注意：只会对 {@link TryConsumer}、{@link TryFunction} 类型对象起作用
+         *
+         * @param finallyConsumer finally 处理 lambda 表达式
+         * @return {@link C}
+         */
+        public C andFinally(ThrowableConsumer<? super Object> finallyConsumer) {
+            Objects.requireNonNull(finallyConsumer, "No finallyConsumer present");
+            this.finallyConsumer = finallyConsumer;
+            return c;
+        }
+
+        /**
+         * 如果 finally 有异常，调用自定义异常处理表达式
+         *
+         * @param finallyThrowableConsumer 自定义异常处理 lambda 表达式
+         * @return {@link C}
+         */
+        public C finallyTrap(Consumer<? super Throwable> finallyThrowableConsumer) {
+            Objects.requireNonNull(finallyThrowableConsumer, "No finallyThrowableConsumer present");
+            this.finallyThrowConsumer = finallyThrowableConsumer;
+            return c;
+        }
+    }
+
+    class TryConsumer<P> extends Tryable<TryConsumer<P>> {
+        private final ThrowableConsumer<? super P> consumer;
+
+        protected TryConsumer(ThrowableConsumer<? super P> consumer) {
+            Objects.requireNonNull(consumer, "No consumer present");
+            this.consumer = consumer;
+
+            super.c = this;
+        }
+
+        /**
+         * 计算结果
+         *
+         * @param p 要计算的入参
+         */
+        public void accept(P p) {
+            try {
+                Objects.requireNonNull(p, "No accept param present");
+
+                consumer.accept(p);
+            } catch (final Throwable e) {
+                Optional.ofNullable(throwConsumer).ifPresent(tc -> tc.accept(e));
+            } finally {
+                // doFinally();
+                doFinally(p);
+            }
+        }
+    }
+
+    class TryFunction<P, R> extends Tryable<TryFunction<P, R>> {
+        private final ThrowableFunction<? super P, ? extends R> function;
+        private P p;
+
+        protected TryFunction(ThrowableFunction<? super P, ? extends R> function) {
+            Objects.requireNonNull(function, "No function present");
+            this.function = function;
+
+            super.c = this;
+        }
+
+        /**
+         * 传入要计算的入参
+         *
+         * @param p 要计算的入参
+         * @return {@link TryFunction}
+         */
+        public TryFunction<P, R> apply(P p) {
+            Objects.requireNonNull(p, "Apply param should not null");
+
+            this.p = p;
+            return this;
+        }
+
+        /**
+         * 如果有异常返回默认值，否则返回计算结果
+         *
+         * @param r 指定默认值
+         * @return 实际值或默认值
+         */
+        public R get(R r) {
+            try {
+                Objects.requireNonNull(function, "No apply param present");
+
+                return function.apply(p);
+            } catch (final Throwable e) {
+                Optional.ofNullable(throwConsumer).ifPresent(tc -> tc.accept(e));
+                return r;
+            } finally {
+                // doFinally();
+                doFinally(p);
+            }
+        }
+
+        /**
+         * 如果有异常返回 null，否则返回计算结果
+         *
+         * @return 实际值或 null
+         */
+        public R get() {
+            try {
+                Objects.requireNonNull(p, "No apply param present");
+
+                return function.apply(p);
+            } catch (final Throwable e) {
+                Optional.ofNullable(throwConsumer).ifPresent(tc -> tc.accept(e));
+                return null;
+            } finally {
+                // doFinally();
+                doFinally(p);
+            }
+        }
+    }
+}

jetbrains.svg

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 19.1.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 width="120.1px" height="130.2px" viewBox="0 0 120.1 130.2" style="enable-background:new 0 0 120.1 130.2;" xml:space="preserve"
+	>
+<g>
+	<linearGradient id="XMLID_2_" gradientUnits="userSpaceOnUse" x1="31.8412" y1="120.5578" x2="110.2402" y2="73.24">
+		<stop  offset="0" style="stop-color:#FCEE39"/>
+		<stop  offset="1" style="stop-color:#F37B3D"/>
+	</linearGradient>
+	<path id="XMLID_3041_" style="fill:url(#XMLID_2_);" d="M118.6,71.8c0.9-0.8,1.4-1.9,1.5-3.2c0.1-2.6-1.8-4.7-4.4-4.9
+		c-1.2-0.1-2.4,0.4-3.3,1.1l0,0l-83.8,45.9c-1.9,0.8-3.6,2.2-4.7,4.1c-2.9,4.8-1.3,11,3.6,13.9c3.4,2,7.5,1.8,10.7-0.2l0,0l0,0
+		c0.2-0.2,0.5-0.3,0.7-0.5l78-54.8C117.3,72.9,118.4,72.1,118.6,71.8L118.6,71.8L118.6,71.8z"/>
+	<linearGradient id="XMLID_3_" gradientUnits="userSpaceOnUse" x1="48.3607" y1="6.9083" x2="119.9179" y2="69.5546">
+		<stop  offset="0" style="stop-color:#EF5A6B"/>
+		<stop  offset="0.57" style="stop-color:#F26F4E"/>
+		<stop  offset="1" style="stop-color:#F37B3D"/>
+	</linearGradient>
+	<path id="XMLID_3049_" style="fill:url(#XMLID_3_);" d="M118.8,65.1L118.8,65.1L55,2.5C53.6,1,51.6,0,49.3,0
+		c-4.3,0-7.7,3.5-7.7,7.7v0c0,2.1,0.8,3.9,2.1,5.3l0,0l0,0c0.4,0.4,0.8,0.7,1.2,1l67.4,57.7l0,0c0.8,0.7,1.8,1.2,3,1.3
+		c2.6,0.1,4.7-1.8,4.9-4.4C120.2,67.3,119.7,66,118.8,65.1z"/>
+	<linearGradient id="XMLID_4_" gradientUnits="userSpaceOnUse" x1="52.9467" y1="63.6407" x2="10.5379" y2="37.1562">
+		<stop  offset="0" style="stop-color:#7C59A4"/>
+		<stop  offset="0.3852" style="stop-color:#AF4C92"/>
+		<stop  offset="0.7654" style="stop-color:#DC4183"/>
+		<stop  offset="0.957" style="stop-color:#ED3D7D"/>
+	</linearGradient>
+	<path id="XMLID_3042_" style="fill:url(#XMLID_4_);" d="M57.1,59.5C57,59.5,17.7,28.5,16.9,28l0,0l0,0c-0.6-0.3-1.2-0.6-1.8-0.9
+		c-5.8-2.2-12.2,0.8-14.4,6.6c-1.9,5.1,0.2,10.7,4.6,13.4l0,0l0,0C6,47.5,6.6,47.8,7.3,48c0.4,0.2,45.4,18.8,45.4,18.8l0,0
+		c1.8,0.8,3.9,0.3,5.1-1.2C59.3,63.7,59,61,57.1,59.5z"/>
+	<linearGradient id="XMLID_5_" gradientUnits="userSpaceOnUse" x1="52.1736" y1="3.7019" x2="10.7706" y2="37.8971">
+		<stop  offset="0" style="stop-color:#EF5A6B"/>
+		<stop  offset="0.364" style="stop-color:#EE4E72"/>
+		<stop  offset="1" style="stop-color:#ED3D7D"/>
+	</linearGradient>
+	<path id="XMLID_3057_" style="fill:url(#XMLID_5_);" d="M49.3,0c-1.7,0-3.3,0.6-4.6,1.5L4.9,28.3c-0.1,0.1-0.2,0.1-0.2,0.2l-0.1,0
+		l0,0c-1.7,1.2-3.1,3-3.9,5.1C-1.5,39.4,1.5,45.9,7.3,48c3.6,1.4,7.5,0.7,10.4-1.4l0,0l0,0c0.7-0.5,1.3-1,1.8-1.6l34.6-31.2l0,0
+		c1.8-1.4,3-3.6,3-6.1v0C57.1,3.5,53.6,0,49.3,0z"/>
+	<g id="XMLID_3008_">
+		<rect id="XMLID_3033_" x="34.6" y="37.4" style="fill:#000000;" width="51" height="51"/>
+		<rect id="XMLID_3032_" x="39" y="78.8" style="fill:#FFFFFF;" width="19.1" height="3.2"/>
+		<g id="XMLID_3009_">
+			<path id="XMLID_3030_" style="fill:#FFFFFF;" d="M38.8,50.8l1.5-1.4c0.4,0.5,0.8,0.8,1.3,0.8c0.6,0,0.9-0.4,0.9-1.2l0-5.3l2.3,0
+				l0,5.3c0,1-0.3,1.8-0.8,2.3c-0.5,0.5-1.3,0.8-2.3,0.8C40.2,52.2,39.4,51.6,38.8,50.8z"/>
+			<path id="XMLID_3028_" style="fill:#FFFFFF;" d="M45.3,43.8l6.7,0v1.9l-4.4,0V47l4,0l0,1.8l-4,0l0,1.3l4.5,0l0,2l-6.7,0
+				L45.3,43.8z"/>
+			<path id="XMLID_3026_" style="fill:#FFFFFF;" d="M55,45.8l-2.5,0l0-2l7.3,0l0,2l-2.5,0l0,6.3l-2.3,0L55,45.8z"/>
+			<path id="XMLID_3022_" style="fill:#FFFFFF;" d="M39,54l4.3,0c1,0,1.8,0.3,2.3,0.7c0.3,0.3,0.5,0.8,0.5,1.4v0
+				c0,1-0.5,1.5-1.3,1.9c1,0.3,1.6,0.9,1.6,2v0c0,1.4-1.2,2.3-3.1,2.3l-4.3,0L39,54z M43.8,56.6c0-0.5-0.4-0.7-1-0.7l-1.5,0l0,1.5
+				l1.4,0C43.4,57.3,43.8,57.1,43.8,56.6L43.8,56.6z M43,59l-1.8,0l0,1.5H43c0.7,0,1.1-0.3,1.1-0.8v0C44.1,59.2,43.7,59,43,59z"/>
+			<path id="XMLID_3019_" style="fill:#FFFFFF;" d="M46.8,54l3.9,0c1.3,0,2.1,0.3,2.7,0.9c0.5,0.5,0.7,1.1,0.7,1.9v0
+				c0,1.3-0.7,2.1-1.7,2.6l2,2.9l-2.6,0l-1.7-2.5h-1l0,2.5l-2.3,0L46.8,54z M50.6,58c0.8,0,1.2-0.4,1.2-1v0c0-0.7-0.5-1-1.2-1
+				l-1.5,0v2H50.6z"/>
+			<path id="XMLID_3016_" style="fill:#FFFFFF;" d="M56.8,54l2.2,0l3.5,8.4l-2.5,0l-0.6-1.5l-3.2,0l-0.6,1.5l-2.4,0L56.8,54z
+				 M58.8,59l-0.9-2.3L57,59L58.8,59z"/>
+			<path id="XMLID_3014_" style="fill:#FFFFFF;" d="M62.8,54l2.3,0l0,8.3l-2.3,0L62.8,54z"/>
+			<path id="XMLID_3012_" style="fill:#FFFFFF;" d="M65.7,54l2.1,0l3.4,4.4l0-4.4l2.3,0l0,8.3l-2,0L68,57.8l0,4.6l-2.3,0L65.7,54z"
+				/>
+			<path id="XMLID_3010_" style="fill:#FFFFFF;" d="M73.7,61.1l1.3-1.5c0.8,0.7,1.7,1,2.7,1c0.6,0,1-0.2,1-0.6v0
+				c0-0.4-0.3-0.5-1.4-0.8c-1.8-0.4-3.1-0.9-3.1-2.6v0c0-1.5,1.2-2.7,3.2-2.7c1.4,0,2.5,0.4,3.4,1.1l-1.2,1.6
+				c-0.8-0.5-1.6-0.8-2.3-0.8c-0.6,0-0.8,0.2-0.8,0.5v0c0,0.4,0.3,0.5,1.4,0.8c1.9,0.4,3.1,1,3.1,2.6v0c0,1.7-1.3,2.7-3.4,2.7
+				C76.1,62.5,74.7,62,73.7,61.1z"/>
+		</g>
+	</g>
+</g>
+</svg>

pom.xml

@@ -1,13 +1,18 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0">
     <modelVersion>4.0.0</modelVersion>
+    <packaging>pom</packaging>
+    <modules>
+        <module>budd-common</module>
+        <module>budd-demo</module>
+        <module>budd-server</module>
+        <module>budd-utils</module>
+    </modules>
+
     <groupId>io.github.ehlxr</groupId>
     <artifactId>budd</artifactId>
-    <packaging>war</packaging>
     <version>0.0.1-SNAPSHOT</version>
-
-    <name>budd</name>
-    <url>http://maven.apache.org</url>
+    <name>budd-parent</name>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -16,347 +21,53 @@
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
 
-        <spring.version>5.2.6.RELEASE</spring.version>
-        <servlet.version>2.5</servlet.version>
-        <mybatis.version>3.2.7</mybatis.version>
-        <mybatis.spring.version>1.1.1</mybatis.spring.version>
-        <mybatis.generator.core.version>1.4.0</mybatis.generator.core.version>
-        <file_encoding>utf-8</file_encoding>
-        <jdk.verion>1.8</jdk.verion>
-        <powermock.version>1.7.1</powermock.version>
-        <kotlin.version>1.3.61</kotlin.version>
+        <spring-boot.version>2.2.6.RELEASE</spring-boot.version>
+        <guava.version>30.0-jre</guava.version>
+        <spring4all.swagger.version>2.0.0.RELEASE</spring4all.swagger.version>
     </properties>
 
-    <dependencies>
-        <dependency>
-            <groupId>com.jcraft</groupId>
-            <artifactId>jsch</artifactId>
-            <version>0.1.53</version>
-        </dependency>
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-dependencies</artifactId>
+                <version>${spring-boot.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
 
-        <dependency>
-            <groupId>org.bouncycastle</groupId>
-            <artifactId>bcprov-jdk16</artifactId>
-            <version>1.46</version>
-        </dependency>
+            <!-- Google Guava -->
+            <dependency>
+                <groupId>com.google.guava</groupId>
+                <artifactId>guava</artifactId>
+                <version>${guava.version}</version>
+            </dependency>
 
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>4.13.1</version>
-            <!-- <scope>test</scope> -->
-        </dependency>
+            <dependency>
+                <groupId>com.spring4all</groupId>
+                <artifactId>swagger-spring-boot-starter</artifactId>
+                <version>${spring4all.swagger.version}</version>
+            </dependency>
 
-        <dependency>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-            <version>1.1.3</version>
-        </dependency>
+            <dependency>
+                <groupId>io.github.ehlxr</groupId>
+                <artifactId>budd-common</artifactId>
+                <version>${project.version}</version>
+            </dependency>
 
-        <dependency>
-            <groupId>org.apache.shiro</groupId>
-            <artifactId>shiro-core</artifactId>
-            <version>1.4.2</version>
-        </dependency>
+            <dependency>
+                <groupId>io.github.ehlxr</groupId>
+                <artifactId>budd-demo</artifactId>
+                <version>${project.version}</version>
+            </dependency>
 
-        <!-- spring begin-->
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-core</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
+            <dependency>
+                <groupId>com.alibaba</groupId>
+                <artifactId>fastjson</artifactId>
+                <version>2.0.25</version>
+            </dependency>
 
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-beans</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
+        </dependencies>
+    </dependencyManagement>
 
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-context</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-web</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-oxm</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-tx</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-jdbc</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-webmvc</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-aop</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-context-support</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-test</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-jms</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-expression</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-        <!-- spring end-->
-
-        <dependency>
-            <groupId>commons-codec</groupId>
-            <artifactId>commons-codec</artifactId>
-            <version>1.6</version>
-        </dependency>
-
-        <dependency>
-            <groupId>net.sf.json-lib</groupId>
-            <artifactId>json-lib</artifactId>
-            <version>2.4</version>
-            <classifier>jdk15</classifier>
-        </dependency>
-
-        <dependency>
-            <groupId>com.caucho</groupId>
-            <artifactId>hessian</artifactId>
-            <version>4.0.38</version>
-        </dependency>
-
-        <dependency>
-            <groupId>redis.clients</groupId>
-            <artifactId>jedis</artifactId>
-            <version>2.8.0</version>
-        </dependency>
-
-        <dependency>
-            <groupId>mysql</groupId>
-            <artifactId>mysql-connector-java</artifactId>
-            <version>8.0.16</version>
-        </dependency>
-
-        <!-- servlet -->
-        <dependency>
-            <groupId>javax.servlet</groupId>
-            <artifactId>servlet-api</artifactId>
-            <version>${servlet.version}</version>
-            <scope>provided</scope>
-        </dependency>
-
-        <!-- mybatis start -->
-        <dependency>
-            <groupId>org.mybatis</groupId>
-            <artifactId>mybatis</artifactId>
-            <version>${mybatis.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.mybatis</groupId>
-            <artifactId>mybatis-spring</artifactId>
-            <version>${mybatis.spring.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.mybatis.generator</groupId>
-            <artifactId>mybatis-generator-core</artifactId>
-            <version>${mybatis.generator.core.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>c3p0</groupId>
-            <artifactId>c3p0</artifactId>
-            <version>0.9.1.2</version>
-        </dependency>
-
-        <!-- mybatis end -->
-        <dependency>
-            <groupId>org.apache.httpcomponents</groupId>
-            <artifactId>httpclient</artifactId>
-            <version>4.5.2</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.apache.cxf</groupId>
-            <artifactId>cxf-rt-frontend-jaxws</artifactId>
-            <version>3.1.6</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.apache.cxf</groupId>
-            <artifactId>cxf-rt-transports-http</artifactId>
-            <version>3.1.6</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.apache.activemq</groupId>
-            <artifactId>activemq-all</artifactId>
-            <version>5.13.3</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.apache.xbean</groupId>
-            <artifactId>xbean-spring</artifactId>
-            <version>4.5</version>
-        </dependency>
-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>2.5</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.powermock</groupId>
-            <artifactId>powermock-module-junit4</artifactId>
-            <version>${powermock.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.powermock</groupId>
-            <artifactId>powermock-api-mockito2</artifactId>
-            <version>${powermock.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>io.reactivex</groupId>
-            <artifactId>rxjava</artifactId>
-            <version>1.3.0</version>
-        </dependency>
-        <dependency>
-            <groupId>io.reactivex.rxjava2</groupId>
-            <artifactId>rxjava</artifactId>
-            <version>2.1.8</version>
-        </dependency>
-        <dependency>
-            <groupId>com.google.guava</groupId>
-            <artifactId>guava</artifactId>
-            <version>28.2-jre</version>
-        </dependency>
-        <dependency>
-            <groupId>org.jodd</groupId>
-            <artifactId>jodd-props</artifactId>
-            <version>3.6.1</version>
-        </dependency>
-        <!--<dependency>-->
-        <!--    <groupId>cn.ceres.did</groupId>-->
-        <!--    <artifactId>did-sdk</artifactId>-->
-        <!--    <version>1.0-SNAPSHOT</version>-->
-        <!--</dependency>-->
-        <!--<dependency>-->
-        <!--    <groupId>cn.enncloud.ceres</groupId>-->
-        <!--    <artifactId>ceres</artifactId>-->
-        <!--    <version>1.1.0-SNAPSHOT</version>-->
-        <!--</dependency>-->
-
-        <dependency>
-            <groupId>com.rabbitmq</groupId>
-            <artifactId>amqp-client</artifactId>
-            <version>4.8.0</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.apache.hbase</groupId>
-            <artifactId>hbase-client</artifactId>
-            <version>1.3.5</version>
-        </dependency>
-
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-annotations</artifactId>
-            <version>2.10.3</version>
-        </dependency>
-
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-databind</artifactId>
-            <version>2.10.3</version>
-        </dependency>
-
-        <dependency>
-            <groupId>com.squareup.okhttp3</groupId>
-            <artifactId>okhttp</artifactId>
-            <version>3.14.7</version>
-        </dependency>
-
-        <dependency>
-            <groupId>io.vavr</groupId>
-            <artifactId>vavr</artifactId>
-            <version>0.10.3</version>
-        </dependency>
-
-        <dependency>
-            <groupId>pl.touk</groupId>
-            <artifactId>throwing-function</artifactId>
-            <version>1.3</version>
-        </dependency>
-
-        <dependency>
-            <artifactId>did-sdk</artifactId>
-            <groupId>io.github.ehlxr</groupId>
-            <version>1.0.2-SNAPSHOT</version>
-        </dependency>
-    </dependencies>
-
-    <repositories>
-        <repository>
-            <id>github</id>
-            <url>https://git.ehlxr.me/ehlxr/maven-repository/raw/branch/main</url>
-            <!--<url>https://raw.githubusercontent.com/ehlxr/maven-repository/main</url>-->
-        </repository>
-    </repositories>
-
-    <!--<repositories>-->
-    <!--    <repository>-->
-    <!--        &lt;!&ndash;-->
-    <!--        需要在 setting.xml 中配置认证信息-->
-    <!--        <servers>-->
-    <!--            <server>-->
-    <!--                <id>github</id>-->
-    <!--                <username>ehlxr</username>-->
-    <!--                <password>${env.GITHUB_MVN_TOKEN}</password>-->
-    <!--            </server>-->
-    <!--        </servers>-->
-    <!--        &ndash;&gt;-->
-    <!--        <id>github</id>-->
-    <!--        <url>https://maven.pkg.github.com/ehlxr/mvn-repository</url>-->
-    <!--        <releases>-->
-    <!--            <enabled>true</enabled>-->
-    <!--        </releases>-->
-    <!--        <snapshots>-->
-    <!--            <enabled>true</enabled>-->
-    <!--        </snapshots>-->
-    <!--    </repository>-->
-    <!--</repositories>-->
 </project>

src/main/java/io/github/ehlxr/CharToHex.java

@@ -1,104 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr;
-
-/**
- * Created by ehlxr on 2017/8/3.
- */
-public class CharToHex {
-    private final static char[] hexArray = "0123456789ABCDEF".toCharArray();
-
-    public static void main(String[] args) throws Exception {
-        String hex = bytesToHex("彤".getBytes());
-        System.out.println(hex);
-
-        System.out.println(toUnicode("彤"));
-
-        // 十六进制 -> 十进制
-        int i = Integer.parseInt(hex, 16);
-        System.out.println(i);
-
-        // 十进制 -> 二进制
-        String bin = Integer.toBinaryString(i);
-        System.out.println(bin);
-
-        // 十进制 -> 十六进制
-        String hex1 = Integer.toHexString(i);
-        System.out.println(hex1);
-
-        // 十进制 -> 八进制
-        String oct = Integer.toOctalString(i);
-        System.out.println(oct);
-
-        System.out.println("---------------");
-        System.out.println(Integer.toBinaryString(-22));
-        //测试 int 转 byte
-        int int0 = 234;
-        byte byte0 = intToByte(int0);
-        System.out.println("byte0= " + byte0);//byte0=-22
-        //测试 byte 转 int
-        int int1 = byteToInt(byte0);
-        System.out.println("int1= " + int1);//int1=234
-    }
-
-
-    //byte 与 int 的相互转换
-    public static byte intToByte(int x) {
-        return (byte) x;
-    }
-
-    public static int byteToInt(byte b) {
-        //Java 总是把 byte 当做有符处理；我们可以通过将其和 0xFF 进行二进制与得到它的无符值
-        return b & 0xFF;
-    }
-
-
-    /**
-     * 字符对应编码的哈希值
-     *
-     * @param bytes
-     * @return
-     */
-    public static String bytesToHex(byte[] bytes) {
-        char[] hexChars = new char[bytes.length * 2];
-        for (int j = 0; j < bytes.length; j++) {
-            int v = bytes[j] & 0xFF;
-            hexChars[j * 2] = hexArray[v >>> 4];
-            hexChars[j * 2 + 1] = hexArray[v & 0x0F];
-        }
-        return new String(hexChars);
-    }
-
-    public static String toUnicode(String s) {
-        String[] as = new String[s.length()];
-        StringBuilder s1 = new StringBuilder();
-        for (int i = 0; i < s.length(); i++) {
-            as[i] = Integer.toHexString(s.charAt(i) & 0xffff);
-            s1.append("\\u").append(as[i]);
-        }
-        return s1.toString();
-    }
-
-}

src/main/java/io/github/ehlxr/ContentReplace.java

@@ -1,114 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr;
-
-import java.io.*;
-
-/**
- * Created by ehlxr on 2017/11/17.
- * <p>
- * 递归扫描 Java 文件，添加 CopyRight 信息，已有跳过
- */
-public class ContentReplace {
-    private static int total = 0;
-    private static int unDeal = 0;
-
-    public static void main(String[] args) throws IOException {
-        File dir = new File("/Users/ehlxr/WorkSpaces/Budd");
-        deal(dir);
-        System.out.println("总文件数：" + total);
-        System.out.println("未处理文件数：" + unDeal);
-    }
-
-    private static void deal(File file) throws IOException {
-        if (file.isDirectory()) {
-            File[] fs = file.listFiles(((dir, name) -> {
-                File f = new File(dir.getPath() + File.separator + name);
-
-                return (f.getPath().contains("src") && name.endsWith(".java")) || f.isDirectory();
-            }));
-
-            for (File f : fs != null ? fs : new File[0]) {
-                deal(f);
-            }
-        } else {
-            ++total;
-            // System.out.println(file.getPath());
-
-            File tmp = File.createTempFile("tmp", null);
-            try (
-                    FileOutputStream tmpOut = new FileOutputStream(tmp);
-                    FileInputStream tmpIn = new FileInputStream(tmp);
-                    RandomAccessFile raf = new RandomAccessFile(file, "rw")) {
-                byte[] buf = new byte[64];
-                int hasRead;
-                while ((hasRead = raf.read(buf)) > 0) {
-                    if (new String(buf).contains("Copyright")) {
-                        ++unDeal;
-                        System.out.println("未处理文件：" + file.getPath());
-                        return;
-                    }
-                    // 把原有内容读入临时文件
-                    tmpOut.write(buf, 0, hasRead);
-                }
-                raf.seek(0L);
-                String tmpl = "/*\n" +
-                        " * The MIT License (MIT)\n" +
-                        " *\n" +
-                        " * Copyright © 2020 xrv <xrg@live.com>\n" +
-                        " *\n" +
-                        " * Permission is hereby granted, free of charge, to any person obtaining a copy\n" +
-                        " * of this software and associated documentation files (the \"Software\"), to deal\n" +
-                        " * in the Software without restriction, including without limitation the rights\n" +
-                        " * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n" +
-                        " * copies of the Software, and to permit persons to whom the Software is\n" +
-                        " * furnished to do so, subject to the following conditions:\n" +
-                        " *\n" +
-                        " * The above copyright notice and this permission notice shall be included in\n" +
-                        " * all copies or substantial portions of the Software.\n" +
-                        " *\n" +
-                        " * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n" +
-                        " * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n" +
-                        " * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n" +
-                        " * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n" +
-                        " * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n" +
-                        " * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n" +
-                        " * THE SOFTWARE.\n" +
-                        " */\n\n";
-                raf.write(tmpl.getBytes());
-                // raf.write("/*\n".getBytes());
-                // raf.write(Files.readAllBytes(Paths.get(System.getProperty("user.dir") + File.separator + "LICENSE")));
-                // raf.write("\n*/\n\n".getBytes());
-
-                // 追加临时文件内容
-                while ((hasRead = tmpIn.read(buf)) > 0) {
-                    raf.write(buf, 0, hasRead);
-                }
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-        }
-    }
-}

src/main/java/io/github/ehlxr/ContentReplace2.java

@@ -1,72 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr;
-
-import java.io.*;
-
-@SuppressWarnings("ALL")
-public class ContentReplace2 {
-    public static void main(String[] args) {
-        File file = new File("/Users/ehlxr/ehlxr/blog/hugoBlog/content/post");
-        File[] files = file.listFiles();
-
-        for (File f : files) {
-            operationFile(f);
-        }
-    }
-
-    private static void operationFile(File file) {
-        File tmpfile = new File(file.getParentFile().getAbsolutePath() + "\\" + file.getName() + ".tmp");
-        try (
-                BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(file)));
-                BufferedWriter writer = new BufferedWriter(new FileWriter(tmpfile))) {
-
-            boolean flag = false;
-            String line;
-            while ((line = reader.readLine()) != null) {
-
-                if (line.startsWith("title")) {
-                    System.out.println(line);
-                    // StringBuilder sb = new StringBuilder();
-                    // line = sb.append("title: \"").append(line.substring(line.indexOf("title") + 7)).append("\"").toString();
-                    line = line.replaceAll("'", "");
-                    System.out.println(line);
-
-                    flag = true;
-                }
-                writer.write(line + "\n");
-            }
-
-            if (flag) {
-                file.delete();
-                tmpfile.renameTo(new File(file.getAbsolutePath()));
-            } else {
-                tmpfile.delete();
-            }
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-    }
-}

src/main/java/io/github/ehlxr/DemoECDSA.java

@@ -1,122 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr;
-
-import org.apache.commons.codec.binary.Base64;
-
-import java.security.*;
-import java.security.interfaces.ECPrivateKey;
-import java.security.interfaces.ECPublicKey;
-import java.security.spec.PKCS8EncodedKeySpec;
-import java.security.spec.X509EncodedKeySpec;
-
-/**
- * Created by ehlxr on 2017/8/1.
- */
-public class DemoECDSA {
-
-    //摘要
-    private static final String strMsg = "hold on";
-
-    public static void main(String[] args) throws Exception {
-        jdkECDSA();
-    }
-
-    /**
-     * ECDSA 微软的椭圆曲线算法 jdk1.7以后引入的算法
-     *
-     * @throws Exception
-     */
-    public static void jdkECDSA() throws Exception {
-        //1.初始化密钥
-        KeyPair keyPair = initKey();
-
-        //2.执行签名（用私钥签名）
-        ECPrivateKey ecPrivateKey = (ECPrivateKey) keyPair.getPrivate();
-        byte[] sign = privateKeySign(strMsg, ecPrivateKey);
-        String signStr = Base64.encodeBase64String(sign);
-        System.out.println("sign String :" + signStr);//数字签名格式转换，以便报文传输用
-
-        ECPublicKey ecPublicKey = (ECPublicKey) keyPair.getPublic();
-        String publicKeyStr = Base64.encodeBase64String(ecPublicKey.getEncoded());
-        System.out.println("publicKeyStr String :" + publicKeyStr);//提供给对端，以便于对端使用公钥验证签名
-
-
-        //3.验证签名（公钥验证签名）
-        boolean result = publicKeyVerify(Base64.decodeBase64(signStr), Base64.decodeBase64(publicKeyStr));
-        System.out.println("JDK DSA verify:" + result);
-    }
-
-    /**
-     * 1.初始化密钥，采用ECDSA
-     *
-     * @return
-     * @throws Exception
-     */
-    public static KeyPair initKey() throws Exception {
-        KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("EC");
-        keyPairGenerator.initialize(256); //key长度设置
-        KeyPair keyPair = keyPairGenerator.generateKeyPair();
-
-        return keyPair;
-    }
-
-
-    /**
-     * 2.执行签名（用私钥签名）
-     *
-     * @return
-     * @throws Exception
-     */
-    public static byte[] privateKeySign(String data, ECPrivateKey ecPrivateKey) throws Exception {
-        PKCS8EncodedKeySpec pkcs8EncodedKeySpec = new PKCS8EncodedKeySpec(ecPrivateKey.getEncoded());
-        KeyFactory keyFactory = KeyFactory.getInstance("EC");
-        PrivateKey privateKey = keyFactory.generatePrivate(pkcs8EncodedKeySpec);
-        Signature signature = Signature.getInstance("SHA1withECDSA");
-        signature.initSign(privateKey);
-        signature.update(strMsg.getBytes());
-        byte[] sign = signature.sign();
-
-        return sign;
-    }
-
-    /**
-     * 3.公钥验证签名（摘要+签名串+公钥）
-     *
-     * @throws Exception
-     */
-    public static boolean publicKeyVerify(byte[] sign, byte[] dsaPublicKey) throws Exception {
-        X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(dsaPublicKey);
-        KeyFactory keyFactory = KeyFactory.getInstance("EC");
-        PublicKey publicKey = keyFactory.generatePublic(x509EncodedKeySpec);
-        Signature signature = Signature.getInstance("SHA1withECDSA");
-        signature.initVerify(publicKey);
-        signature.update(strMsg.getBytes());
-        boolean result = signature.verify(sign);
-
-        return result;
-    }
-
-}

src/main/java/io/github/ehlxr/DumpStack.java

@@ -1,92 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr;
-
-import java.io.*;
-import java.lang.management.*;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * Code which writes a stack dump for all threads to a file.
- */
-public class DumpStack {
-
-    // directory where the stack files are written
-    private static final String STACK_DUMP_DIR = "/var/tmp";
-
-    // here for testing
-    public static void main(String[] args) throws Exception {
-        dumpStacks();
-    }
-
-    private static void dumpStacks() throws IOException {
-        ThreadMXBean mxBean = ManagementFactory.getThreadMXBean();
-        MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();
-        RuntimeMXBean runtimeMXBean = ManagementFactory.getRuntimeMXBean();
-
-
-        ThreadInfo[] threadInfos = mxBean.getThreadInfo(mxBean.getAllThreadIds(), 0);
-        Map<Long, ThreadInfo> threadInfoMap = new HashMap<>();
-        for (ThreadInfo threadInfo : threadInfos) {
-            threadInfoMap.put(threadInfo.getThreadId(), threadInfo);
-        }
-
-        // choose our dump-file
-        File dumpFile = new File(STACK_DUMP_DIR, "stacks." + System.currentTimeMillis());
-        try (Writer writer = new BufferedWriter(new FileWriter(dumpFile))) {
-            dumpTraces(mxBean, threadInfoMap, writer);
-        }
-    }
-
-    private static void dumpTraces(ThreadMXBean mxBean, Map<Long, ThreadInfo> threadInfoMap, Writer writer)
-            throws IOException {
-        Map<Thread, StackTraceElement[]> stacks = Thread.getAllStackTraces();
-        writer.write("Dump of " + stacks.size() + " thread at "
-                + new SimpleDateFormat("yyyy/MM/dd HH:mm:ss z").format(new Date(System.currentTimeMillis())) + "\n\n");
-        for (Map.Entry<Thread, StackTraceElement[]> entry : stacks.entrySet()) {
-            Thread thread = entry.getKey();
-            writer.write("\"" + thread.getName() + "\" prio=" + thread.getPriority() + " tid=" + thread.getId() + " "
-                    + thread.getState() + " " + (thread.isDaemon() ? "deamon" : "worker") + "\n");
-            ThreadInfo threadInfo = threadInfoMap.get(thread.getId());
-            if (threadInfo != null) {
-                writer.write("    native=" + threadInfo.isInNative() + ", suspended=" + threadInfo.isSuspended()
-                        + ", block=" + threadInfo.getBlockedCount() + ", wait=" + threadInfo.getWaitedCount() + "\n");
-                writer.write("    lock=" + threadInfo.getLockName() + " owned by " + threadInfo.getLockOwnerName()
-                        + " (" + threadInfo.getLockOwnerId() + "), cpu="
-                        + (mxBean.getThreadCpuTime(threadInfo.getThreadId()) / 1000000L) + ", user="
-                        + (mxBean.getThreadUserTime(threadInfo.getThreadId()) / 1000000L) + "\n");
-            }
-            for (StackTraceElement element : entry.getValue()) {
-                writer.write("        ");
-                writer.write(element.toString());
-                writer.write("\n");
-            }
-            writer.write("\n");
-        }
-    }
-}

src/main/java/io/github/ehlxr/FindRequestMapping.java

@@ -1,68 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr;
-
-import java.io.*;
-
-
-/**
- * @author ehlxr
- */
-public class FindRequestMapping {
-    private static final int total = 0;
-    private static final int unDeal = 0;
-
-    public static void main(String[] args) throws IOException {
-        File dir = new File("/Users/ehlxr/WorkSpaces/enncloud/ceres-epns/ceres-epns-web/src/main/java/com/ceres/epns/web");
-        deal(dir);
-    }
-
-    private static void deal(File file) throws IOException {
-        if (file.isDirectory()) {
-            File[] fs = file.listFiles(((dir, name) -> {
-                File f = new File(dir.getPath() + File.separator + name);
-
-                return (f.getPath().contains("src") && name.endsWith(".java")) || f.isDirectory();
-            }));
-
-            for (File f : fs != null ? fs : new File[0]) {
-                deal(f);
-            }
-
-        } else {
-            InputStreamReader read = new InputStreamReader(new FileInputStream(file));
-            BufferedReader bufferedReader = new BufferedReader(read);
-            String lineTxt;
-
-            while ((lineTxt = bufferedReader.readLine()) != null) {
-                if (lineTxt.contains("@RequestMapping")) {
-                    System.out.println(lineTxt);
-                }
-            }
-            bufferedReader.close();
-            read.close();
-        }
-    }
-}

src/main/java/io/github/ehlxr/MD2Json.java

@@ -1,48 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr;
-
-import net.sf.json.JSONObject;
-import org.apache.commons.io.FileUtils;
-
-import java.io.File;
-import java.io.IOException;
-
-/**
- * Created by ehlxr on 2016/11/8.
- */
-public class MD2Json {
-    public static void main(String[] args) throws IOException {
-        resume();
-    }
-
-    private static void resume() throws IOException {
-        JSONObject jsonObject = new JSONObject();
-        jsonObject.put("show", 1);
-        String content = FileUtils.readFileToString(new File("E:\\ehlxr\\Git\\md-files\\resume.md"), "UTF-8");
-        jsonObject.put("content", content);
-        System.out.println(jsonObject.toString());
-    }
-}

src/main/java/io/github/ehlxr/Modify.java

@@ -1,127 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr;
-
-import java.io.*;
-
-/*
- * 替换文件（如果该文件含有子目录，则包括子目录所有文件）中某个字符串并写入新内容（Java代码实现）.
- *
- *原理：逐行读取源文件的内容，一边读取一边同时写一个*.tmp的文件。
- *当读取的行中发现有需要被替换和改写的目标内容‘行’时候，用新的内容‘行’替换之。
- *最终，删掉源文件，把*.tmp的文件重命名为源文件名字。
- *
- *注意！代码功能是逐行读取一个字符串，然后检测该字符串‘行’中是否含有替换的内容，有则用新的字符串‘行’替换源文件中该处整个字符串‘行’。没有则继续读。
- *注意！替换是基于‘行’，逐行逐行的替换！
- *
- * */
-public class Modify {
-
-    private final String target;
-    private final String newContent;
-    private final String path;
-
-    public Modify(String path, String target, String newContent) {
-        // 操作目录。从该目录开始。该文件目录下及其所有子目录的文件都将被替换。
-        this.path = path;
-        // target:需要被替换、改写的内容。
-        this.target = target;
-        // newContent:需要新写入的内容。
-        this.newContent = newContent;
-
-        operation();
-    }
-
-    public static void main(String[] args) {
-        //代码测试：假设有一个test文件夹，test文件夹下含有若干文件或者若干子目录，子目录下可能也含有若干文件或者若干子目录（意味着可以递归操作）。
-        //把test目录下以及所有子目录下（如果有）中文件含有"hi"的字符串行替换成新的"hello,world!"字符串行。
-        new Modify("/Users/ehlxr/WorkSpaces/budd/src/main/java/me/ehlxr/test.txt", "hi", "hello,world!");
-    }
-
-    private void operation() {
-        File file = new File(path);
-        opeationDirectory(file);
-    }
-
-    private void opeationDirectory(File file) {
-        if (file.isFile()) {
-            operationFile(file);
-        }
-        if (file.isDirectory()) {
-            File[] files = file.listFiles();
-            if (files != null) {
-                for (File f : files) {
-                    opeationDirectory(f);
-                }
-            }
-        }
-
-    }
-
-    private void operationFile(File file) {
-
-        try {
-            InputStream is = new FileInputStream(file);
-            BufferedReader reader = new BufferedReader(
-                    new InputStreamReader(is));
-
-            String filename = file.getName();
-            // tmpfile为缓存文件，代码运行完毕后此文件将重命名为源文件名字。
-            File tmpfile = new File(file.getParentFile().getAbsolutePath() + "\\" + filename + ".tmp");
-
-            BufferedWriter writer = new BufferedWriter(new FileWriter(tmpfile));
-
-            boolean flag = false;
-            String str;
-            while (true) {
-                str = reader.readLine();
-
-                if (str == null)
-                    break;
-
-                if (str.contains(target)) {
-                    writer.write(newContent + "\n");
-
-                    flag = true;
-                } else
-                    writer.write(str + "\n");
-            }
-
-            is.close();
-
-            writer.flush();
-            writer.close();
-
-            if (flag) {
-                file.delete();
-                tmpfile.renameTo(new File(file.getAbsolutePath()));
-            } else {
-                tmpfile.delete();
-            }
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-    }
-}

src/main/java/io/github/ehlxr/PrintMatrixClockWisely.java

@@ -1,97 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr;
-
-/**
- * Created by ehlxr on 2018/2/13.
- */
-public class PrintMatrixClockWisely {
-    /**
-     * 题目：输入一个矩阵，按照从外向里以顺时针的顺序打印出每一个数字。
-     * 思路：
-     * 循环打印:
-     * 1：先打印一行（第 1 行肯定会打印）
-     * 2：再打印当前矩阵的最后一列
-     * 3：再倒序打印当前矩阵的最后一行
-     * 4：再倒序打印当前矩阵的第一列
-     * 起始坐标的规律：
-     * (0,0),(1,1),(2,2)...(startX,startY), 起始坐标的两个坐标值相等。
-     * 并且 startX<= (rows-1)/2,startY<=(columns-1)/2
-     * 当前矩阵，第 1 行 坐标 (start,columns-1-start)      =>   (start,endX)
-     * 当前矩阵，最后 1 列 坐标 (start+1,rows-1-start)  =>   (start+1,endY)
-     * 当前矩阵，最后 1 行 坐标 (start,columns-1-start+1)   =>   (start,endX-1)
-     * 当前矩阵，第 1 行 坐标 (start+1,columns-1+1)        =>   (start+1,endY-1)
-     *
-     */
-    public static void main(String[] args) {
-        // TODO Auto-generated method stub
-        // 初始化矩阵 arr[][]
-        int[][] arr = new int[5][5];
-        for (int i = 0; i < arr.length; i++) {
-            for (int j = 0; j < arr[i].length; j++) {
-                arr[i][j] = i * arr[i].length + j;
-                System.out.print(arr[i][j] + " " + '\t');
-            }
-            System.out.println();
-        }
-        System.out.println("顺时针打印矩阵：");
-        // 顺时针打印矩阵 arr[][]
-        printMatrixWisely(arr);
-    }
-
-    // 循环打印
-    private static void printMatrixWisely(int[][] arr) {
-        if (arr == null || arr.length < 1 || arr[0].length < 1)
-            return;
-        int start = 0;
-        int rows = arr.length;
-        int columns = arr[0].length;
-        while (2 * start < columns && 2 * start < rows) {
-            printMatrix(arr, rows, columns, start);
-            start++;
-        }
-    }
-
-    // 打印一圈
-    private static void printMatrix(int[][] arr, int rows, int columns, int start) {
-        int endX = columns - 1 - start; // 最后一列的列号
-        int endY = rows - 1 - start; // 最后一行的行号
-        // 打印该圈第一行
-        for (int i = start; i <= endX; i++)
-            System.out.print(arr[start][i] + " ");
-        // 打印该圈最后一列 （至少是两行）
-        if (start < endY)
-            for (int i = start + 1; i <= endY; i++)
-                System.out.print(arr[i][endX] + " ");
-        // 打印该圈最后一行 （至少是两行两列）
-        if ((start < endX) && (start < endY))
-            for (int i = endX - 1; i >= start; i--)
-                System.out.print(arr[endY][i] + " ");
-        // 打印该圈的第一列 （至少是三行两列）
-        if ((start < endX) && (start < endY - 1))
-            for (int i = endY - 1; i >= start + 1; i--)
-                System.out.print(arr[i][start] + " ");
-    }
-}

src/main/java/io/github/ehlxr/Rename.java

@@ -1,71 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr;
-
-import java.io.*;
-
-/**
- * @author ehlxr
- * @date 2017/3/27
- */
-public class Rename {
-    public static void main(String[] args) {
-        File dir = new File("/Users/ehlxr/ehlxr/blog/posts");
-
-        File[] files = dir.listFiles();
-        if (null == files || files.length <= 0) {
-            System.out.println("sources is null!");
-            return;
-        }
-        int count = 0;
-        for (File file : files) {
-            try {
-                String oName = file.getName();
-
-                String date = oName.substring(oName.lastIndexOf("-201") + 1, oName.indexOf(".md"));
-                String title = oName.substring(0, oName.lastIndexOf("-201"));
-
-                String nName = date + "-" + title + ".md";
-
-                copyFileUsingFileStreams(file, new File("/Users/ehlxr/Desktop/post/" + nName));
-                count++;
-            } catch (Exception e) {
-                System.out.println("exce file [ " + file.getName() + " ] error, reason: " + e.getMessage());
-            }
-        }
-        System.out.println("complete: " + count);
-    }
-
-    private static void copyFileUsingFileStreams(File source, File dest)
-            throws IOException {
-        try (InputStream input = new FileInputStream(source); OutputStream output = new FileOutputStream(dest)) {
-            byte[] buf = new byte[1024];
-            int bytesRead;
-            while ((bytesRead = input.read(buf)) > 0) {
-                output.write(buf, 0, bytesRead);
-            }
-        }
-    }
-}

src/main/java/io/github/ehlxr/activemq/JMSConsumer.java

@@ -1,78 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr.activemq;
-
-import org.apache.activemq.ActiveMQConnection;
-import org.apache.activemq.ActiveMQConnectionFactory;
-
-import javax.jms.*;
-
-/**
- * 消息的消费者（接受者）
- * Created by ehlxr on 2016-07-11
- */
-public class JMSConsumer {
-
-    private static final String USERNAME = ActiveMQConnection.DEFAULT_USER;//默认连接用户名
-    private static final String PASSWORD = ActiveMQConnection.DEFAULT_PASSWORD;//默认连接密码
-    private static final String BROKEURL = ActiveMQConnection.DEFAULT_BROKER_URL;//默认连接地址
-
-    public static void main(String[] args) {
-        ConnectionFactory connectionFactory;//连接工厂
-        Connection connection = null;//连接
-
-        Session session;//会话 接受或者发送消息的线程
-        Destination destination;//消息的目的地
-
-        MessageConsumer messageConsumer;//消息的消费者
-
-        //实例化连接工厂
-        connectionFactory = new ActiveMQConnectionFactory(JMSConsumer.USERNAME, JMSConsumer.PASSWORD, JMSConsumer.BROKEURL);
-
-        try {
-            //通过连接工厂获取连接
-            connection = connectionFactory.createConnection();
-            //启动连接
-            connection.start();
-            //创建session
-            session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
-            //创建一个连接HelloWorld的消息队列
-            destination = session.createQueue("HelloWorld");
-            //创建消息消费者
-            messageConsumer = session.createConsumer(destination);
-
-            while (true) {
-                TextMessage textMessage = (TextMessage) messageConsumer.receive(100000);
-                if (textMessage != null) {
-                    System.out.println("收到的消息:" + textMessage.getText());
-                } else {
-                    break;
-                }
-            }
-        } catch (JMSException e) {
-            e.printStackTrace();
-        }
-    }
-}

src/main/java/io/github/ehlxr/activemq/JMSProducer.java

@@ -1,108 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr.activemq;
-
-import org.apache.activemq.ActiveMQConnection;
-import org.apache.activemq.ActiveMQConnectionFactory;
-
-import javax.jms.*;
-
-/**
- * 消息的生产者（发送者）
- * Created by ehlxr on 2016-07-11.
- */
-public class JMSProducer {
-
-    //默认连接用户名
-    private static final String USERNAME = ActiveMQConnection.DEFAULT_USER;
-    //默认连接密码
-    private static final String PASSWORD = ActiveMQConnection.DEFAULT_PASSWORD;
-    //默认连接地址
-    private static final String BROKEURL = ActiveMQConnection.DEFAULT_BROKER_URL;
-    //发送的消息数量
-    private static final int SENDNUM = 10;
-
-    public static void main(String[] args) {
-        //连接工厂
-        ConnectionFactory connectionFactory;
-        //连接
-        Connection connection = null;
-        //会话 接受或者发送消息的线程
-        Session session;
-        //消息的目的地
-        Destination destination;
-        //消息生产者
-        MessageProducer messageProducer;
-        //实例化连接工厂
-        connectionFactory = new ActiveMQConnectionFactory(JMSProducer.USERNAME, JMSProducer.PASSWORD, JMSProducer.BROKEURL);
-
-        try {
-            //通过连接工厂获取连接
-            connection = connectionFactory.createConnection();
-            //启动连接
-            connection.start();
-            //创建session
-            session = connection.createSession(true, javax.jms.Session.AUTO_ACKNOWLEDGE);
-            //创建一个名称为HelloWorld的消息队列
-            destination = session.createQueue("HelloWorld");
-            //创建消息生产者
-            messageProducer = session.createProducer(destination);
-            //发送消息
-            sendMessage(session, messageProducer);
-
-            session.commit();
-
-        } catch (Exception e) {
-            e.printStackTrace();
-        } finally {
-            if (connection != null) {
-                try {
-                    connection.close();
-                } catch (JMSException e) {
-                    e.printStackTrace();
-                }
-            }
-        }
-
-    }
-
-    /**
-     * 发送消息
-     *
-     * @param session
-     * @param messageProducer 消息生产者
-     * @throws Exception
-     */
-    public static void sendMessage(Session session, MessageProducer messageProducer) throws Exception {
-        for (int i = 0; i < JMSProducer.SENDNUM; i++) {
-            //创建一条文本消息
-            TextMessage message = session.createTextMessage("ActiveMQ 发送消息" + i);
-            System.out.println("发送消息：Activemq 发送消息" + i);
-            //通过消息生产者发出消息
-            messageProducer.send(message);
-        }
-
-    }
-}

src/main/java/io/github/ehlxr/annotation/TestPkgAnnotation.java

@@ -1,42 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr.annotation;
-
-import java.lang.annotation.Annotation;
-
-public class TestPkgAnnotation {
-
-    public static void main(String[] args) {
-        Package pkg = Package.getPackage("osc.git.eh3.annotation");
-        Annotation[] annotations = pkg.getAnnotations();
-        for (Annotation annotation : annotations) {
-            System.out.println(annotation);
-        }
-
-        // ===========================友好类和包内访问常量==============
-        new MyPackageMethod().myPackageMethod();
-        System.out.println(MyPackageConst.PACKAGE_STRING);
-    }
-}

src/main/java/io/github/ehlxr/cache/Cache.java

@@ -1,75 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr.cache;
-
-public class Cache {
-	private String key;// 缓存ID
-	private Object value;// 缓存数据
-	private long timeOut;// 更新时间
-	private boolean expired; // 是否终止
-
-	public Cache() {
-		super();
-	}
-
-	public Cache(String key, Object value, long timeOut, boolean expired) {
-		this.key = key;
-		this.value = value;
-		this.timeOut = timeOut;
-		this.expired = expired;
-	}
-
-	public String getKey() {
-		return key;
-	}
-
-	public long getTimeOut() {
-		return timeOut;
-	}
-
-	public Object getValue() {
-		return value;
-	}
-
-	public void setKey(String string) {
-		key = string;
-	}
-
-	public void setTimeOut(long l) {
-		timeOut = l;
-	}
-
-	public void setValue(Object object) {
-		value = object;
-	}
-
-	public boolean isExpired() {
-		return expired;
-	}
-
-	public void setExpired(boolean b) {
-		expired = b;
-	}
-}

src/main/java/io/github/ehlxr/cache/CacheManager.java

@@ -1,187 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr.cache;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Map.Entry;
-
-public class CacheManager {
-	private static final HashMap<String, Object> cacheMap = new HashMap<String, Object>();
-
-	// 单实例构造方法
-	private CacheManager() {
-		super();
-	}
-
-	// 得到缓存。同步静态方法
-	private synchronized static Cache getCache(String key) {
-		return (Cache) cacheMap.get(key);
-	}
-
-	// 判断是否存在一个缓存
-	private synchronized static boolean hasCache(String key) {
-		return cacheMap.containsKey(key);
-	}
-
-	// 清除所有缓存
-	public synchronized static void clearAll() {
-		cacheMap.clear();
-	}
-
-	// 清除某一类特定缓存,通过遍历HASHMAP下的所有对象，来判断它的KEY与传入的TYPE是否匹配
-	public synchronized static void clearAll(String type) {
-		Iterator<Entry<String, Object>> i = cacheMap.entrySet().iterator();
-		String key;
-		ArrayList<String> arr = new ArrayList<String>();
-		try {
-			while (i.hasNext()) {
-				Entry<String, Object> entry = i.next();
-				key = entry.getKey();
-				if (key.startsWith(type)) { // 如果匹配则删除掉
-					arr.add(key);
-				}
-			}
-			for (int k = 0; k < arr.size(); k++) {
-				clearOnly(arr.get(k));
-			}
-		} catch (Exception ex) {
-			ex.printStackTrace();
-		}
-	}
-
-	// 清除指定的缓存
-	public synchronized static void clearOnly(String key) {
-		cacheMap.remove(key);
-	}
-
-	// 载入缓存
-	public synchronized static void putCache(String key, Cache obj) {
-		cacheMap.put(key, obj);
-	}
-
-	// 获取缓存信息
-	public static Cache getCacheInfo(String key) {
-		if (hasCache(key)) {
-			Cache cache = getCache(key);
-			if (cacheExpired(cache)) { // 调用判断是否终止方法
-				cache.setExpired(true);
-			}
-			return cache;
-		} else {
-			return null;
-		}
-	}
-
-	// 载入缓存信息
-	public static void putCacheInfo(String key, Cache obj, long dt, boolean expired) {
-		Cache cache = new Cache();
-		cache.setKey(key);
-		cache.setTimeOut(dt + System.currentTimeMillis()); // 设置多久后更新缓存
-		cache.setValue(obj);
-		cache.setExpired(expired); // 缓存默认载入时，终止状态为FALSE
-		cacheMap.put(key, cache);
-	}
-
-	// 重写载入缓存信息方法
-	public static void putCacheInfo(String key, Cache obj, long dt) {
-		Cache cache = new Cache();
-		cache.setKey(key);
-		cache.setTimeOut(dt + System.currentTimeMillis());
-		cache.setValue(obj);
-		cache.setExpired(false);
-		cacheMap.put(key, cache);
-	}
-
-	// 判断缓存是否终止
-	public static boolean cacheExpired(Cache cache) {
-		if (null == cache) { // 传入的缓存不存在
-			return false;
-		}
-		long nowDt = System.currentTimeMillis(); // 系统当前的毫秒数
-		long cacheDt = cache.getTimeOut(); // 缓存内的过期毫秒数
-		// 过期时间小于等于零时,或者过期时间大于当前时间时，则为FALSE
-		// 大于过期时间 即过期
-		return cacheDt > 0 && cacheDt <= nowDt;
-	}
-
-	// 获取缓存中的大小
-	public static int getCacheSize() {
-		return cacheMap.size();
-	}
-
-	// 获取指定的类型的大小
-	public static int getCacheSize(String type) {
-		int k = 0;
-		Iterator<Entry<String, Object>> i = cacheMap.entrySet().iterator();
-		String key;
-		try {
-			while (i.hasNext()) {
-				Entry<String, Object> entry = i.next();
-				key = entry.getKey();
-				if (key.indexOf(type) != -1) { // 如果匹配则删除掉
-					k++;
-				}
-			}
-		} catch (Exception ex) {
-			ex.printStackTrace();
-		}
-
-		return k;
-	}
-
-	// 获取缓存对象中的所有键值名称
-	public static ArrayList<String> getCacheAllkey() {
-		ArrayList<String> a = new ArrayList<String>();
-		try {
-			Iterator<Entry<String, Object>> i = cacheMap.entrySet().iterator();
-			while (i.hasNext()) {
-				Entry<String, Object> entry = i.next();
-				a.add(entry.getKey());
-			}
-		} catch (Exception ex) {
-		}
-		return a;
-	}
-
-	// 获取缓存对象中指定类型 的键值名称
-	public static ArrayList<String> getCacheListkey(String type) {
-		ArrayList<String> a = new ArrayList<String>();
-		String key;
-		try {
-			Iterator<Entry<String, Object>> i = cacheMap.entrySet().iterator();
-			while (i.hasNext()) {
-				Entry<String, Object> entry = i.next();
-				key = entry.getKey();
-				if (key.indexOf(type) != -1) {
-					a.add(key);
-				}
-			}
-		} catch (Exception ex) {
-		}
-		return a;
-	}
-}

src/main/java/io/github/ehlxr/cache/SimpleCache.java

@@ -1,74 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr.cache;
-
-import java.util.Map;
-import java.util.WeakHashMap;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.locks.Lock;
-import java.util.concurrent.locks.ReentrantLock;
-
-public final class SimpleCache<K, V> {
-
-	private final Lock lock = new ReentrantLock();
-	private final int maxCapacity;
-	private final Map<K, V> eden;
-	private final Map<K, V> perm;
-
-	public SimpleCache(int maxCapacity) {
-		this.maxCapacity = maxCapacity;
-		this.eden = new ConcurrentHashMap<K, V>(maxCapacity);
-		this.perm = new WeakHashMap<K, V>(maxCapacity);
-	}
-
-	public V get(K k) {
-		V v = this.eden.get(k);
-		if (v == null) {
-			lock.lock();
-			try {
-				v = this.perm.get(k);
-			} finally {
-				lock.unlock();
-			}
-			if (v != null) {
-				this.eden.put(k, v);
-			}
-		}
-		return v;
-	}
-
-	public void put(K k, V v) {
-		if (this.eden.size() >= maxCapacity) {
-			lock.lock();
-			try {
-				this.perm.putAll(this.eden);
-			} finally {
-				lock.unlock();
-			}
-			this.eden.clear();
-		}
-		this.eden.put(k, v);
-	}
-}

src/main/java/io/github/ehlxr/cache/SimpleCacheUtil.java

@@ -1,102 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr.cache;
-
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.TimeUnit;
-
-public class SimpleCacheUtil<T> {
-	private final Map<String, T> m_objects;
-	private final Map<String, Long> m_expiredObjects;
-	private final long m_lExpireTime;
-	private final ExecutorService m_executor;
-
-	public SimpleCacheUtil() {
-		this(500);
-	}
-
-	public SimpleCacheUtil(final int nExpireTime) {
-		m_objects = Collections.synchronizedMap(new HashMap<String, T>());
-		m_expiredObjects = Collections.synchronizedMap(new HashMap<String, Long>());
-		m_lExpireTime = nExpireTime;
-		m_executor = Executors.newFixedThreadPool(256);
-		Executors.newScheduledThreadPool(5).scheduleWithFixedDelay(RemoveExpiredObjects(), m_lExpireTime / 2, m_lExpireTime,
-				TimeUnit.SECONDS);
-	}
-
-	private final Runnable RemoveExpiredObjects() {
-		return new Runnable() {
-			public void run() {
-				for (final String name : m_expiredObjects.keySet()) {
-					if (System.currentTimeMillis() > m_expiredObjects.get(name)) {
-						m_executor.execute(CreateRemoveRunnable(name));
-					}
-				}
-			}
-		};
-	}
-
-	private final Runnable CreateRemoveRunnable(final String name) {
-		return new Runnable() {
-			public void run() {
-				m_objects.remove(name);
-				m_expiredObjects.remove(name);
-			}
-		};
-	}
-
-	public long getExpireTime() {
-		return m_lExpireTime;
-	}
-
-	public void put(final String name, final T obj) {
-		put(name, obj, m_lExpireTime);
-	}
-
-	public void put(final String name, final T obj, final long expireTime) {
-		m_objects.put(name, obj);
-		m_expiredObjects.put(name, System.currentTimeMillis() + expireTime * 1000);
-	}
-
-	public T get(final String name) {
-		final Long expireTime = m_expiredObjects.get(name);
-		if (expireTime == null)
-			return null;
-		if (System.currentTimeMillis() > expireTime) {
-			m_executor.execute(CreateRemoveRunnable(name));
-			return null;
-		}
-		return m_objects.get(name);
-	}
-
-	@SuppressWarnings("unchecked")
-	public <R extends T> R get(final String name, final Class<R> type) {
-		return (R) get(name);
-	}
-}

src/main/java/io/github/ehlxr/cache/Test.java

@@ -1,35 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr.cache;
-
-public class Test {
-
-    public static void main(String[] args) {
-        SimpleCacheUtil<Object> cache2 = new SimpleCacheUtil<>(5);
-        cache2.put("123", "fdfd");
-
-        System.out.println(cache2.get("123"));
-    }
-}

src/main/java/io/github/ehlxr/cache/TestCache.java

@@ -1,55 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr.cache;
-
-import java.util.ArrayList;
-
-public class TestCache {
-	public static void main(String[] args) {
-		CacheManager.putCache("abc", new Cache("key", "value", 10, false));
-		CacheManager.putCache("def", new Cache());
-		CacheManager.putCache("ccc", new Cache());
-		CacheManager.clearOnly("");
-		Cache c = new Cache();
-		for (int i = 0; i < 10; i++) {
-			CacheManager.putCache("" + i, c);
-		}
-		CacheManager.putCache("aaaaaaaa", c);
-		CacheManager.putCache("abchcy;alskd", c);
-		CacheManager.putCache("cccccccc", c);
-		CacheManager.putCache("abcoqiwhcy", c);
-		System.out.println("删除前的大小：" + CacheManager.getCacheSize());
-		ArrayList<String> cacheAllkey = CacheManager.getCacheAllkey();
-		for (String key : cacheAllkey) {
-			System.out.println(key + ":" + CacheManager.getCacheInfo(key).getValue());
-		}
-		CacheManager.clearAll("aaaa");
-		System.out.println("删除后的大小：" + CacheManager.getCacheSize());
-		cacheAllkey = CacheManager.getCacheAllkey();
-		for (String key : cacheAllkey) {
-			System.out.println(key);
-		}
-	}
-}

src/main/java/io/github/ehlxr/cache/TestFutureCahe.java

@@ -1,120 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr.cache;
-
-import java.util.concurrent.Callable;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.Future;
-import java.util.concurrent.FutureTask;
-
-/**
- * Created by ehlxr on 2017/4/11.
- */
-public class TestFutureCahe<K, V> {
-    private final ConcurrentHashMap<K, Future<V>> cacheMap = new ConcurrentHashMap<>();
-
-    public static void main(String[] args) {
-        final TestFutureCahe<String, String> TestGuaVA = new TestFutureCahe<String, String>();
-
-        Thread t1 = new Thread(new Runnable() {
-            @Override
-            public void run() {
-
-                System.out.println("T1======start========");
-                Object value = TestGuaVA.getCache("key", "T1");
-                System.out.println("T1 value==============" + value);
-                System.out.println("T1======end========");
-
-            }
-        });
-
-        Thread t2 = new Thread(new Runnable() {
-            @Override
-            public void run() {
-                System.out.println("T2======start========");
-                Object value = TestGuaVA.getCache("key", "T2");
-                System.out.println("T2 value==============" + value);
-                System.out.println("T2======end========");
-
-            }
-        });
-
-        Thread t3 = new Thread(new Runnable() {
-            @Override
-            public void run() {
-                System.out.println("T3======start========");
-                Object value = TestGuaVA.getCache("key", "T3");
-                System.out.println("T3 value==============" + value);
-                System.out.println("T3======end========");
-
-            }
-        });
-
-        t1.start();
-        t2.start();
-        t3.start();
-
-    }
-
-    public Object getCache(K keyValue, String ThreadName) {
-        Future<V> value = null;
-        try {
-            System.out.println("ThreadName getCache==============" + ThreadName);
-            //从缓存获取数据
-            value = cacheMap.get(keyValue);
-            //如果没有的话，把数据放到缓存
-            if (value == null) {
-                value = putCache(keyValue, ThreadName);
-                return value.get();
-            }
-            return value.get();
-
-        } catch (Exception e) {
-        }
-        return null;
-    }
-
-    public Future<V> putCache(K keyValue, final String ThreadName) {
-        //      //把数据放到缓存
-        Future<V> value = null;
-        Callable<V> callable = new Callable<V>() {
-            @SuppressWarnings("unchecked")
-            @Override
-            public V call() throws Exception {
-                //可以根据业务从数据库获取等取得数据,这边就模拟已经获取数据了
-                System.out.println("ThreadName 执行业务数据并返回处理结果的数据（访问数据库等）==============" + ThreadName);
-                return (V) "dataValue";
-            }
-        };
-        FutureTask<V> futureTask = new FutureTask<V>(callable);
-        value = cacheMap.putIfAbsent(keyValue, futureTask);
-        if (value == null) {
-            value = futureTask;
-            futureTask.run();
-        }
-        return value;
-    }
-
-}

src/main/java/io/github/ehlxr/date/Main.java

@@ -1,93 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr.date;
-
-import java.time.Instant;
-import java.time.LocalDateTime;
-import java.time.ZoneId;
-import java.time.ZonedDateTime;
-import java.time.format.DateTimeFormatter;
-import java.time.format.FormatStyle;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.Locale;
-import java.util.TimeZone;
-
-/**
- * @author ehlxr
- * @since 2021-01-28 16:03.
- */
-public class Main {
-    public static void main(String[] args) {
-        // 旧 API 转新 API
-        // Date -> Instant:
-        Instant ins1 = new Date().toInstant();
-        System.out.println(ins1);
-
-        ZonedDateTime zonedDateTime = ins1.atZone(ZoneId.systemDefault());
-        System.out.println(zonedDateTime);
-
-        LocalDateTime localDateTime = zonedDateTime.toLocalDateTime();
-        System.out.println(localDateTime);
-
-        // Calendar -> Instant -> ZonedDateTime:
-        Calendar calendar = Calendar.getInstance();
-        Instant ins2 = calendar.toInstant();
-        ZonedDateTime zdt = ins2.atZone(calendar.getTimeZone().toZoneId());
-        System.out.println(zdt);
-
-        // 新 API 转旧 API
-        // ZonedDateTime -> long:
-        ZonedDateTime zdt1 = ZonedDateTime.now();
-        long ts = zdt1.toEpochSecond() * 1000;
-
-        // long -> Date:
-        Date date = new Date(ts);
-
-        // long -> Calendar:
-        Calendar calendar1 = Calendar.getInstance();
-        calendar1.clear();
-        calendar1.setTimeZone(TimeZone.getTimeZone(zdt.getZone().getId()));
-        calendar1.setTimeInMillis(zdt.toEpochSecond() * 1000);
-
-
-        // 在数据库中存储时间戳时，尽量使用 long 型时间戳，它具有省空间，效率高，不依赖数据库的优点
-        ts = 1574208900000L;
-        System.out.println(timestampToString(ts, Locale.CHINA, "Asia/Shanghai"));
-        System.out.println(timestampToString(ts, Locale.US, "America/New_York"));
-    }
-
-    /**
-     * 不同用户以不同的偏好来显示不同的本地时间
-     */
-    static String timestampToString(long epochMilli, Locale lo, String zoneId) {
-        Instant ins = Instant.ofEpochMilli(epochMilli);
-        DateTimeFormatter f = DateTimeFormatter.ofLocalizedDateTime(FormatStyle.MEDIUM, FormatStyle.SHORT)
-                // 按照 Locale 默认习惯格式化
-                .withLocale(lo);
-
-        return f.withLocale(lo).format(ZonedDateTime.ofInstant(ins, ZoneId.of(zoneId)));
-    }
-}

src/main/java/io/github/ehlxr/dfd.java

@@ -1,88 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright © 2020 xrv <xrg@live.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package io.github.ehlxr;
-
-import com.google.common.collect.Maps;
-
-/**
- * Created by ehlxr on 2016/12/23.
- */
-public class dfd {
-
-    public static void main(String[] args) {
-        var map = Maps.newHashMap();
-        map.put("d", 1);
-        System.out.println(map);
-    }
-
-    public void printCircle(int[][] matrix, int startX, int startY, int endX, int endY) {
-        // only one column left
-        if (startY == endY) {
-            for (int i = startX; i <= endX; i++) {
-                System.out.println(matrix[i][endY]);
-            }
-            return;
-        }
-        // only one row left
-        if (startX == endX) {
-            for (int i = startY; i <= endY; i++) {
-                System.out.println(matrix[startX][i]);
-            }
-            return;
-        }
-        for (int i = startY; i < endY; i++) {
-            System.out.println(matrix[startX][i]);
-        }
-        for (int i = startX; i < endX; i++) {
-            System.out.println(matrix[i][endY]);
-        }
-        for (int i = endY; i > startY; i--) {
-            System.out.println(matrix[endX][i]);
-        }
-        for (int i = endX; i > startX; i--) {
-            System.out.println(matrix[i][startY]);
-        }
-
-    }
-
-    public void printMatrix(int[][] matrix) {
-
-        if (matrix == null) {
-            return;
-        }
-        int startX = 0;
-        int startY = 0;
-        int endY = matrix[0].length - 1;
-        int endX = matrix.length - 1;
-
-        while ((startX <= endX) && (startY <= endY)) {
-            printCircle(matrix, startX, startY, endX, endY);
-            startX++;
-            startY++;
-            endX--;
-            endY--;
-        }
-    }
-}