From edf3ee1760e50e02d0c376cbe5e01a0d47366e10 Mon Sep 17 00:00:00 2001 From: ehlxr Date: Wed, 15 Mar 2017 17:50:28 +0800 Subject: [PATCH] update --- .../java/osc/git/eh3/utils/MyUrlDemo.java | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 src/main/java/osc/git/eh3/utils/MyUrlDemo.java diff --git a/src/main/java/osc/git/eh3/utils/MyUrlDemo.java b/src/main/java/osc/git/eh3/utils/MyUrlDemo.java new file mode 100644 index 0000000..5970143 --- /dev/null +++ b/src/main/java/osc/git/eh3/utils/MyUrlDemo.java @@ -0,0 +1,56 @@ +package osc.git.eh3.utils; + +/** + * Created by lixiangrong on 2017/3/15. + */ + +import java.io.File; +import java.io.IOException; +import java.net.URL; + +public class MyUrlDemo { + + + public static void main(String[] args) { + MyUrlDemo muDemo = new MyUrlDemo(); + try { + muDemo.showURL(); + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + public void showURL() throws IOException { + + // 第一种:获取类加载的根路径 D:\git\daotie\daotie\target\classes + File f = new File(this.getClass().getResource("/").getPath()); + System.out.println(f); + + // 获取当前类的所在工程路径; 如果不加“/” 获取当前类的加载目录 D:\git\daotie\daotie\target\classes\my + File f2 = new File(this.getClass().getResource("").getPath()); + System.out.println(f2); + + // 第二种:获取项目路径 D:\git\daotie\daotie + File directory = new File("");// 参数为空 + String courseFile = directory.getCanonicalPath(); + System.out.println(courseFile); + + + // 第三种: file:/D:/git/daotie/daotie/target/classes/ + URL xmlpath = this.getClass().getClassLoader().getResource(""); + System.out.println(xmlpath); + + + // 第四种: D:\git\daotie\daotie + System.out.println(System.getProperty("user.dir")); + /* + * 结果: C:\Documents and Settings\Administrator\workspace\projectName + * 获取当前工程路径 + */ + + // 第五种: 获取所有的类路径 包括jar包的路径 + System.out.println(System.getProperty("java.class.path")); + + } +} \ No newline at end of file