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<title>本章要點 | Go编程语言</title>
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<div class="book" data-level="1.8" data-chapter-title="本章要點" data-filepath="ch1/ch1-08.md" data-basepath=".." data-revision="Wed Dec 09 2015 15:54:13 GMT+0800 (中国标准时间)">
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<ul class="summary">
<li class="chapter " data-level="0" data-path="index.html">
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前言
</a>
<ul class="articles">
<li class="chapter " data-level="0.1" data-path="ch0/ch0-01.html">
<a href="../ch0/ch0-01.html">
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<b>0.1.</b>
Go語言起源
</a>
</li>
<li class="chapter " data-level="0.2" data-path="ch0/ch0-02.html">
<a href="../ch0/ch0-02.html">
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<b>0.2.</b>
Go語言項目
</a>
</li>
<li class="chapter " data-level="0.3" data-path="ch0/ch0-03.html">
<a href="../ch0/ch0-03.html">
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<b>0.3.</b>
本書的組織
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<li class="chapter " data-level="0.4" data-path="ch0/ch0-04.html">
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<b>0.4.</b>
更多的信息
</a>
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<li class="chapter " data-level="0.5" data-path="ch0/ch0-05.html">
<a href="../ch0/ch0-05.html">
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<b>0.5.</b>
緻謝
</a>
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</ul>
</li>
<li class="chapter " data-level="1" data-path="ch1/ch1.html">
<a href="../ch1/ch1.html">
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<b>1.</b>
入門
</a>
<ul class="articles">
<li class="chapter " data-level="1.1" data-path="ch1/ch1-01.html">
<a href="../ch1/ch1-01.html">
<i class="fa fa-check"></i>
<b>1.1.</b>
Hello, World
</a>
</li>
<li class="chapter " data-level="1.2" data-path="ch1/ch1-02.html">
<a href="../ch1/ch1-02.html">
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<b>1.2.</b>
命令行參數
</a>
</li>
<li class="chapter " data-level="1.3" data-path="ch1/ch1-03.html">
<a href="../ch1/ch1-03.html">
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<b>1.3.</b>
査找重復的行
</a>
</li>
<li class="chapter " data-level="1.4" data-path="ch1/ch1-04.html">
<a href="../ch1/ch1-04.html">
<i class="fa fa-check"></i>
<b>1.4.</b>
GIF動畫
</a>
</li>
<li class="chapter " data-level="1.5" data-path="ch1/ch1-05.html">
<a href="../ch1/ch1-05.html">
<i class="fa fa-check"></i>
<b>1.5.</b>
穫取URL
</a>
</li>
<li class="chapter " data-level="1.6" data-path="ch1/ch1-06.html">
<a href="../ch1/ch1-06.html">
<i class="fa fa-check"></i>
<b>1.6.</b>
併髮穫取多個URL
</a>
</li>
<li class="chapter " data-level="1.7" data-path="ch1/ch1-07.html">
<a href="../ch1/ch1-07.html">
<i class="fa fa-check"></i>
<b>1.7.</b>
Web服務
</a>
</li>
<li class="chapter active" data-level="1.8" data-path="ch1/ch1-08.html">
<a href="../ch1/ch1-08.html">
<i class="fa fa-check"></i>
<b>1.8.</b>
本章要點
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2" data-path="ch2/ch2.html">
<a href="../ch2/ch2.html">
<i class="fa fa-check"></i>
<b>2.</b>
程序結構
</a>
<ul class="articles">
<li class="chapter " data-level="2.1" data-path="ch2/ch2-01.html">
<a href="../ch2/ch2-01.html">
<i class="fa fa-check"></i>
<b>2.1.</b>
命名
</a>
</li>
<li class="chapter " data-level="2.2" data-path="ch2/ch2-02.html">
<a href="../ch2/ch2-02.html">
<i class="fa fa-check"></i>
<b>2.2.</b>
聲明
</a>
</li>
<li class="chapter " data-level="2.3" data-path="ch2/ch2-03.html">
<a href="../ch2/ch2-03.html">
<i class="fa fa-check"></i>
<b>2.3.</b>
變量
</a>
</li>
<li class="chapter " data-level="2.4" data-path="ch2/ch2-04.html">
<a href="../ch2/ch2-04.html">
<i class="fa fa-check"></i>
<b>2.4.</b>
賦值
</a>
</li>
<li class="chapter " data-level="2.5" data-path="ch2/ch2-05.html">
<a href="../ch2/ch2-05.html">
<i class="fa fa-check"></i>
<b>2.5.</b>
類型
</a>
</li>
<li class="chapter " data-level="2.6" data-path="ch2/ch2-06.html">
<a href="../ch2/ch2-06.html">
<i class="fa fa-check"></i>
<b>2.6.</b>
包和文件
</a>
</li>
<li class="chapter " data-level="2.7" data-path="ch2/ch2-07.html">
<a href="../ch2/ch2-07.html">
<i class="fa fa-check"></i>
<b>2.7.</b>
作用域
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3" data-path="ch3/ch3.html">
<a href="../ch3/ch3.html">
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<b>3.</b>
基礎數據類型
</a>
<ul class="articles">
<li class="chapter " data-level="3.1" data-path="ch3/ch3-01.html">
<a href="../ch3/ch3-01.html">
<i class="fa fa-check"></i>
<b>3.1.</b>
整型
</a>
</li>
<li class="chapter " data-level="3.2" data-path="ch3/ch3-02.html">
<a href="../ch3/ch3-02.html">
<i class="fa fa-check"></i>
<b>3.2.</b>
浮點數
</a>
</li>
<li class="chapter " data-level="3.3" data-path="ch3/ch3-03.html">
<a href="../ch3/ch3-03.html">
<i class="fa fa-check"></i>
<b>3.3.</b>
復數
</a>
</li>
<li class="chapter " data-level="3.4" data-path="ch3/ch3-04.html">
<a href="../ch3/ch3-04.html">
<i class="fa fa-check"></i>
<b>3.4.</b>
佈爾型
</a>
</li>
<li class="chapter " data-level="3.5" data-path="ch3/ch3-05.html">
<a href="../ch3/ch3-05.html">
<i class="fa fa-check"></i>
<b>3.5.</b>
字符串
</a>
</li>
<li class="chapter " data-level="3.6" data-path="ch3/ch3-06.html">
<a href="../ch3/ch3-06.html">
<i class="fa fa-check"></i>
<b>3.6.</b>
常量
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4" data-path="ch4/ch4.html">
<a href="../ch4/ch4.html">
<i class="fa fa-check"></i>
<b>4.</b>
復閤數據類型
</a>
<ul class="articles">
<li class="chapter " data-level="4.1" data-path="ch4/ch4-01.html">
<a href="../ch4/ch4-01.html">
<i class="fa fa-check"></i>
<b>4.1.</b>
數組
</a>
</li>
<li class="chapter " data-level="4.2" data-path="ch4/ch4-02.html">
<a href="../ch4/ch4-02.html">
<i class="fa fa-check"></i>
<b>4.2.</b>
切片
</a>
</li>
<li class="chapter " data-level="4.3" data-path="ch4/ch4-03.html">
<a href="../ch4/ch4-03.html">
<i class="fa fa-check"></i>
<b>4.3.</b>
字典
</a>
</li>
<li class="chapter " data-level="4.4" data-path="ch4/ch4-04.html">
<a href="../ch4/ch4-04.html">
<i class="fa fa-check"></i>
<b>4.4.</b>
結構體
</a>
</li>
<li class="chapter " data-level="4.5" data-path="ch4/ch4-05.html">
<a href="../ch4/ch4-05.html">
<i class="fa fa-check"></i>
<b>4.5.</b>
JSON
</a>
</li>
<li class="chapter " data-level="4.6" data-path="ch4/ch4-06.html">
<a href="../ch4/ch4-06.html">
<i class="fa fa-check"></i>
<b>4.6.</b>
文本和HTML模闆
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5" data-path="ch5/ch5.html">
<a href="../ch5/ch5.html">
<i class="fa fa-check"></i>
<b>5.</b>
函數
</a>
<ul class="articles">
<li class="chapter " data-level="5.1" data-path="ch5/ch5-01.html">
<a href="../ch5/ch5-01.html">
<i class="fa fa-check"></i>
<b>5.1.</b>
函數聲明
</a>
</li>
<li class="chapter " data-level="5.2" data-path="ch5/ch5-02.html">
<a href="../ch5/ch5-02.html">
<i class="fa fa-check"></i>
<b>5.2.</b>
遞歸
</a>
</li>
<li class="chapter " data-level="5.3" data-path="ch5/ch5-03.html">
<a href="../ch5/ch5-03.html">
<i class="fa fa-check"></i>
<b>5.3.</b>
多返迴值
</a>
</li>
<li class="chapter " data-level="5.4" data-path="ch5/ch5-04.html">
<a href="../ch5/ch5-04.html">
<i class="fa fa-check"></i>
<b>5.4.</b>
錯誤
</a>
</li>
<li class="chapter " data-level="5.5" data-path="ch5/ch5-05.html">
<a href="../ch5/ch5-05.html">
<i class="fa fa-check"></i>
<b>5.5.</b>
函數值
</a>
</li>
<li class="chapter " data-level="5.6" data-path="ch5/ch5-06.html">
<a href="../ch5/ch5-06.html">
<i class="fa fa-check"></i>
<b>5.6.</b>
匿名函數
</a>
</li>
<li class="chapter " data-level="5.7" data-path="ch5/ch5-07.html">
<a href="../ch5/ch5-07.html">
<i class="fa fa-check"></i>
<b>5.7.</b>
可變參數
</a>
</li>
<li class="chapter " data-level="5.8" data-path="ch5/ch5-08.html">
<a href="../ch5/ch5-08.html">
<i class="fa fa-check"></i>
<b>5.8.</b>
Deferred函數
</a>
</li>
<li class="chapter " data-level="5.9" data-path="ch5/ch5-09.html">
<a href="../ch5/ch5-09.html">
<i class="fa fa-check"></i>
<b>5.9.</b>
Panic異常
</a>
</li>
<li class="chapter " data-level="5.10" data-path="ch5/ch5-10.html">
<a href="../ch5/ch5-10.html">
<i class="fa fa-check"></i>
<b>5.10.</b>
Recover捕穫異常
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6" data-path="ch6/ch6.html">
<a href="../ch6/ch6.html">
<i class="fa fa-check"></i>
<b>6.</b>
方法
</a>
<ul class="articles">
<li class="chapter " data-level="6.1" data-path="ch6/ch6-01.html">
<a href="../ch6/ch6-01.html">
<i class="fa fa-check"></i>
<b>6.1.</b>
方法聲明
</a>
</li>
<li class="chapter " data-level="6.2" data-path="ch6/ch6-02.html">
<a href="../ch6/ch6-02.html">
<i class="fa fa-check"></i>
<b>6.2.</b>
基於指鍼對象的方法
</a>
</li>
<li class="chapter " data-level="6.3" data-path="ch6/ch6-03.html">
<a href="../ch6/ch6-03.html">
<i class="fa fa-check"></i>
<b>6.3.</b>
通過嵌入結構體來擴展類型
</a>
</li>
<li class="chapter " data-level="6.4" data-path="ch6/ch6-04.html">
<a href="../ch6/ch6-04.html">
<i class="fa fa-check"></i>
<b>6.4.</b>
方法值和方法錶達式
</a>
</li>
<li class="chapter " data-level="6.5" data-path="ch6/ch6-05.html">
<a href="../ch6/ch6-05.html">
<i class="fa fa-check"></i>
<b>6.5.</b>
示例: Bit數組
</a>
</li>
<li class="chapter " data-level="6.6" data-path="ch6/ch6-06.html">
<a href="../ch6/ch6-06.html">
<i class="fa fa-check"></i>
<b>6.6.</b>
封裝
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="7" data-path="ch7/ch7.html">
<a href="../ch7/ch7.html">
<i class="fa fa-check"></i>
<b>7.</b>
接口
</a>
<ul class="articles">
<li class="chapter " data-level="7.1" data-path="ch7/ch7-01.html">
<a href="../ch7/ch7-01.html">
<i class="fa fa-check"></i>
<b>7.1.</b>
接口是閤約
</a>
</li>
<li class="chapter " data-level="7.2" data-path="ch7/ch7-02.html">
<a href="../ch7/ch7-02.html">
<i class="fa fa-check"></i>
<b>7.2.</b>
接口類型
</a>
</li>
<li class="chapter " data-level="7.3" data-path="ch7/ch7-03.html">
<a href="../ch7/ch7-03.html">
<i class="fa fa-check"></i>
<b>7.3.</b>
實現接口的條件
</a>
</li>
<li class="chapter " data-level="7.4" data-path="ch7/ch7-04.html">
<a href="../ch7/ch7-04.html">
<i class="fa fa-check"></i>
<b>7.4.</b>
flag.Value接口
</a>
</li>
<li class="chapter " data-level="7.5" data-path="ch7/ch7-05.html">
<a href="../ch7/ch7-05.html">
<i class="fa fa-check"></i>
<b>7.5.</b>
接口值
</a>
</li>
<li class="chapter " data-level="7.6" data-path="ch7/ch7-06.html">
<a href="../ch7/ch7-06.html">
<i class="fa fa-check"></i>
<b>7.6.</b>
sort.Interface接口
</a>
</li>
<li class="chapter " data-level="7.7" data-path="ch7/ch7-07.html">
<a href="../ch7/ch7-07.html">
<i class="fa fa-check"></i>
<b>7.7.</b>
http.Handler接口
</a>
</li>
<li class="chapter " data-level="7.8" data-path="ch7/ch7-08.html">
<a href="../ch7/ch7-08.html">
<i class="fa fa-check"></i>
<b>7.8.</b>
error接口
</a>
</li>
<li class="chapter " data-level="7.9" data-path="ch7/ch7-09.html">
<a href="../ch7/ch7-09.html">
<i class="fa fa-check"></i>
<b>7.9.</b>
示例: 錶達式求值
</a>
</li>
<li class="chapter " data-level="7.10" data-path="ch7/ch7-10.html">
<a href="../ch7/ch7-10.html">
<i class="fa fa-check"></i>
<b>7.10.</b>
類型斷言
</a>
</li>
<li class="chapter " data-level="7.11" data-path="ch7/ch7-11.html">
<a href="../ch7/ch7-11.html">
<i class="fa fa-check"></i>
<b>7.11.</b>
基於類型斷言識彆錯誤類型
</a>
</li>
<li class="chapter " data-level="7.12" data-path="ch7/ch7-12.html">
<a href="../ch7/ch7-12.html">
<i class="fa fa-check"></i>
<b>7.12.</b>
通過類型斷言査詢接口
</a>
</li>
<li class="chapter " data-level="7.13" data-path="ch7/ch7-13.html">
<a href="../ch7/ch7-13.html">
<i class="fa fa-check"></i>
<b>7.13.</b>
類型分支
</a>
</li>
<li class="chapter " data-level="7.14" data-path="ch7/ch7-14.html">
<a href="../ch7/ch7-14.html">
<i class="fa fa-check"></i>
<b>7.14.</b>
示例: 基於標記的XML解碼
</a>
</li>
<li class="chapter " data-level="7.15" data-path="ch7/ch7-15.html">
<a href="../ch7/ch7-15.html">
<i class="fa fa-check"></i>
<b>7.15.</b>
補充幾點
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="8" data-path="ch8/ch8.html">
<a href="../ch8/ch8.html">
<i class="fa fa-check"></i>
<b>8.</b>
Goroutines和Channels
</a>
<ul class="articles">
<li class="chapter " data-level="8.1" data-path="ch8/ch8-01.html">
<a href="../ch8/ch8-01.html">
<i class="fa fa-check"></i>
<b>8.1.</b>
Goroutines
</a>
</li>
<li class="chapter " data-level="8.2" data-path="ch8/ch8-02.html">
<a href="../ch8/ch8-02.html">
<i class="fa fa-check"></i>
<b>8.2.</b>
示例: 併髮的Clock服務
</a>
</li>
<li class="chapter " data-level="8.3" data-path="ch8/ch8-03.html">
<a href="../ch8/ch8-03.html">
<i class="fa fa-check"></i>
<b>8.3.</b>
示例: 併髮的Echo服務
</a>
</li>
<li class="chapter " data-level="8.4" data-path="ch8/ch8-04.html">
<a href="../ch8/ch8-04.html">
<i class="fa fa-check"></i>
<b>8.4.</b>
Channels
</a>
</li>
<li class="chapter " data-level="8.5" data-path="ch8/ch8-05.html">
<a href="../ch8/ch8-05.html">
<i class="fa fa-check"></i>
<b>8.5.</b>
併行的循環
</a>
</li>
<li class="chapter " data-level="8.6" data-path="ch8/ch8-06.html">
<a href="../ch8/ch8-06.html">
<i class="fa fa-check"></i>
<b>8.6.</b>
示例: 併髮的Web爬蟲
</a>
</li>
<li class="chapter " data-level="8.7" data-path="ch8/ch8-07.html">
<a href="../ch8/ch8-07.html">
<i class="fa fa-check"></i>
<b>8.7.</b>
基於select的多路復用
</a>
</li>
<li class="chapter " data-level="8.8" data-path="ch8/ch8-08.html">
<a href="../ch8/ch8-08.html">
<i class="fa fa-check"></i>
<b>8.8.</b>
示例: 併髮的字典遍歷
</a>
</li>
<li class="chapter " data-level="8.9" data-path="ch8/ch8-09.html">
<a href="../ch8/ch8-09.html">
<i class="fa fa-check"></i>
<b>8.9.</b>
併髮的退齣
</a>
</li>
<li class="chapter " data-level="8.10" data-path="ch8/ch8-10.html">
<a href="../ch8/ch8-10.html">
<i class="fa fa-check"></i>
<b>8.10.</b>
示例: 聊天服務
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="9" data-path="ch9/ch9.html">
<a href="../ch9/ch9.html">
<i class="fa fa-check"></i>
<b>9.</b>
基於共享變量的併髮
</a>
<ul class="articles">
<li class="chapter " data-level="9.1" data-path="ch9/ch9-01.html">
<a href="../ch9/ch9-01.html">
<i class="fa fa-check"></i>
<b>9.1.</b>
競爭條件
</a>
</li>
<li class="chapter " data-level="9.2" data-path="ch9/ch9-02.html">
<a href="../ch9/ch9-02.html">
<i class="fa fa-check"></i>
<b>9.2.</b>
sync.Mutex互斥鎖
</a>
</li>
<li class="chapter " data-level="9.3" data-path="ch9/ch9-03.html">
<a href="../ch9/ch9-03.html">
<i class="fa fa-check"></i>
<b>9.3.</b>
sync.RWMutex讀寫鎖
</a>
</li>
<li class="chapter " data-level="9.4" data-path="ch9/ch9-04.html">
<a href="../ch9/ch9-04.html">
<i class="fa fa-check"></i>
<b>9.4.</b>
內存衕步
</a>
</li>
<li class="chapter " data-level="9.5" data-path="ch9/ch9-05.html">
<a href="../ch9/ch9-05.html">
<i class="fa fa-check"></i>
<b>9.5.</b>
sync.Once初始化
</a>
</li>
<li class="chapter " data-level="9.6" data-path="ch9/ch9-06.html">
<a href="../ch9/ch9-06.html">
<i class="fa fa-check"></i>
<b>9.6.</b>
競爭條件檢測
</a>
</li>
<li class="chapter " data-level="9.7" data-path="ch9/ch9-07.html">
<a href="../ch9/ch9-07.html">
<i class="fa fa-check"></i>
<b>9.7.</b>
示例: 併髮的非阻塞緩存
</a>
</li>
<li class="chapter " data-level="9.8" data-path="ch9/ch9-08.html">
<a href="../ch9/ch9-08.html">
<i class="fa fa-check"></i>
<b>9.8.</b>
Goroutines和綫程
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="10" data-path="ch10/ch10.html">
<a href="../ch10/ch10.html">
<i class="fa fa-check"></i>
<b>10.</b>
包和工具
</a>
<ul class="articles">
<li class="chapter " data-level="10.1" data-path="ch10/ch10-01.html">
<a href="../ch10/ch10-01.html">
<i class="fa fa-check"></i>
<b>10.1.</b>
簡介
</a>
</li>
<li class="chapter " data-level="10.2" data-path="ch10/ch10-02.html">
<a href="../ch10/ch10-02.html">
<i class="fa fa-check"></i>
<b>10.2.</b>
導入路徑
</a>
</li>
<li class="chapter " data-level="10.3" data-path="ch10/ch10-03.html">
<a href="../ch10/ch10-03.html">
<i class="fa fa-check"></i>
<b>10.3.</b>
包聲明
</a>
</li>
<li class="chapter " data-level="10.4" data-path="ch10/ch10-04.html">
<a href="../ch10/ch10-04.html">
<i class="fa fa-check"></i>
<b>10.4.</b>
導入聲明
</a>
</li>
<li class="chapter " data-level="10.5" data-path="ch10/ch10-05.html">
<a href="../ch10/ch10-05.html">
<i class="fa fa-check"></i>
<b>10.5.</b>
匿名導入
</a>
</li>
<li class="chapter " data-level="10.6" data-path="ch10/ch10-06.html">
<a href="../ch10/ch10-06.html">
<i class="fa fa-check"></i>
<b>10.6.</b>
包和命名
</a>
</li>
<li class="chapter " data-level="10.7" data-path="ch10/ch10-07.html">
<a href="../ch10/ch10-07.html">
<i class="fa fa-check"></i>
<b>10.7.</b>
工具
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="11" data-path="ch11/ch11.html">
<a href="../ch11/ch11.html">
<i class="fa fa-check"></i>
<b>11.</b>
測試
</a>
<ul class="articles">
<li class="chapter " data-level="11.1" data-path="ch11/ch11-01.html">
<a href="../ch11/ch11-01.html">
<i class="fa fa-check"></i>
<b>11.1.</b>
go test
</a>
</li>
<li class="chapter " data-level="11.2" data-path="ch11/ch11-02.html">
<a href="../ch11/ch11-02.html">
<i class="fa fa-check"></i>
<b>11.2.</b>
測試函數
</a>
</li>
<li class="chapter " data-level="11.3" data-path="ch11/ch11-03.html">
<a href="../ch11/ch11-03.html">
<i class="fa fa-check"></i>
<b>11.3.</b>
測試覆蓋率
</a>
</li>
<li class="chapter " data-level="11.4" data-path="ch11/ch11-04.html">
<a href="../ch11/ch11-04.html">
<i class="fa fa-check"></i>
<b>11.4.</b>
基準測試
</a>
</li>
<li class="chapter " data-level="11.5" data-path="ch11/ch11-05.html">
<a href="../ch11/ch11-05.html">
<i class="fa fa-check"></i>
<b>11.5.</b>
剖析
</a>
</li>
<li class="chapter " data-level="11.6" data-path="ch11/ch11-06.html">
<a href="../ch11/ch11-06.html">
<i class="fa fa-check"></i>
<b>11.6.</b>
示例函數
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="12" data-path="ch12/ch12.html">
<a href="../ch12/ch12.html">
<i class="fa fa-check"></i>
<b>12.</b>
反射
</a>
<ul class="articles">
<li class="chapter " data-level="12.1" data-path="ch12/ch12-01.html">
<a href="../ch12/ch12-01.html">
<i class="fa fa-check"></i>
<b>12.1.</b>
為何需要反射?
</a>
</li>
<li class="chapter " data-level="12.2" data-path="ch12/ch12-02.html">
<a href="../ch12/ch12-02.html">
<i class="fa fa-check"></i>
<b>12.2.</b>
reflect.Type和reflect.Value
</a>
</li>
<li class="chapter " data-level="12.3" data-path="ch12/ch12-03.html">
<a href="../ch12/ch12-03.html">
<i class="fa fa-check"></i>
<b>12.3.</b>
Display遞歸打印
</a>
</li>
<li class="chapter " data-level="12.4" data-path="ch12/ch12-04.html">
<a href="../ch12/ch12-04.html">
<i class="fa fa-check"></i>
<b>12.4.</b>
示例: 編碼S錶達式
</a>
</li>
<li class="chapter " data-level="12.5" data-path="ch12/ch12-05.html">
<a href="../ch12/ch12-05.html">
<i class="fa fa-check"></i>
<b>12.5.</b>
通過reflect.Value脩改值
</a>
</li>
<li class="chapter " data-level="12.6" data-path="ch12/ch12-06.html">
<a href="../ch12/ch12-06.html">
<i class="fa fa-check"></i>
<b>12.6.</b>
示例: 解碼S錶達式
</a>
</li>
<li class="chapter " data-level="12.7" data-path="ch12/ch12-07.html">
<a href="../ch12/ch12-07.html">
<i class="fa fa-check"></i>
<b>12.7.</b>
穫取結構體字段標識
</a>
</li>
<li class="chapter " data-level="12.8" data-path="ch12/ch12-08.html">
<a href="../ch12/ch12-08.html">
<i class="fa fa-check"></i>
<b>12.8.</b>
顯示一個類型的方法集
</a>
</li>
<li class="chapter " data-level="12.9" data-path="ch12/ch12-09.html">
<a href="../ch12/ch12-09.html">
<i class="fa fa-check"></i>
<b>12.9.</b>
幾點忠告
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="13" data-path="ch13/ch13.html">
<a href="../ch13/ch13.html">
<i class="fa fa-check"></i>
<b>13.</b>
底層編程
</a>
<ul class="articles">
<li class="chapter " data-level="13.1" data-path="ch13/ch13-01.html">
<a href="../ch13/ch13-01.html">
<i class="fa fa-check"></i>
<b>13.1.</b>
unsafe.Sizeof, Alignof 和 Offsetof
</a>
</li>
<li class="chapter " data-level="13.2" data-path="ch13/ch13-02.html">
<a href="../ch13/ch13-02.html">
<i class="fa fa-check"></i>
<b>13.2.</b>
unsafe.Pointer
</a>
</li>
<li class="chapter " data-level="13.3" data-path="ch13/ch13-03.html">
<a href="../ch13/ch13-03.html">
<i class="fa fa-check"></i>
<b>13.3.</b>
示例: 深度相等判斷
</a>
</li>
<li class="chapter " data-level="13.4" data-path="ch13/ch13-04.html">
<a href="../ch13/ch13-04.html">
<i class="fa fa-check"></i>
<b>13.4.</b>
通過cgo調用C代碼
</a>
</li>
<li class="chapter " data-level="13.5" data-path="ch13/ch13-05.html">
<a href="../ch13/ch13-05.html">
<i class="fa fa-check"></i>
<b>13.5.</b>
幾點忠告
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="14" data-path="exercise/ex.html">
<a href="../exercise/ex.html">
<i class="fa fa-check"></i>
<b>14.</b>
習題解答
</a>
<ul class="articles">
<li class="chapter " data-level="14.1" data-path="exercise/ex-ch1.html">
<a href="../exercise/ex-ch1.html">
<i class="fa fa-check"></i>
<b>14.1.</b>
第一章 入門
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="15" data-path="errata.html">
<a href="../errata.html">
<i class="fa fa-check"></i>
<b>15.</b>
勘誤
</a>
</li>
<li class="divider"></li>
<li>
<a href="https://www.gitbook.com" target="blank" class="gitbook-link">
本書使用 GitBook 釋出
</a>
</li>
</ul>
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<h2 id="18-&#x672C;&#x7AE0;&#x8981;&#x9EDE;">1.8. &#x672C;&#x7AE0;&#x8981;&#x9EDE;</h2>
<p>&#x672C;&#x7AE0;&#x4E2D;&#x5C0D;Go&#x8A9E;&#x8A00;&#x505A;&#x4E86;&#x4E00;&#x4E9B;&#x4ECB;&#x7D39;&#xFF0C;&#x5BE6;&#x969B;&#x4E0A;Go&#x8A9E;&#x8A00;&#x9084;&#x6709;&#x5F88;&#x591A;&#x65B9;&#x9EAB;&#x5728;&#x9019;&#x6709;&#x9650;&#x7684;&#x7BC7;&#x5E45;&#x4E2D;&#x9084;&#x6C92;&#x6709;&#x8986;&#x84CB;&#x5230;&#x3002;&#x9019;&#x88CF;&#x6211;&#x5011;&#x6703;&#x628A;&#x6C92;&#x6709;&#x8B1B;&#x5230;&#x7684;&#x5167;&#x5BB9;&#x4E5F;&#x505A;&#x4E00;&#x4E9B;&#x7C21;&#x55AE;&#x7684;&#x4ECB;&#x7D39;&#xFF0C;&#x9019;&#x6A23;&#x8B80;&#x8005;&#x5728;&#x4E4B;&#x5F8C;&#x770B;&#x5230;&#x5B8C;&#x6574;&#x7684;&#x5167;&#x5BB9;&#x4E4B;&#x524D;&#xFF0C;&#x4E5F;&#x53EF;&#x4EE5;&#x7C21;&#x55AE;&#x6709;&#x500B;&#x5370;&#x8C61;&#x3002;</p>
<p>&#x63A7;&#x88FD;&#x6D41;&#xFF1A;&#x5728;&#x672C;&#x7AE0;&#x6211;&#x5011;&#x96BB;&#x4ECB;&#x7D39;&#x4E86;if&#x63A7;&#x88FD;&#x548C;for&#xFF0C;&#x4F46;&#x662F;&#x6C92;&#x6709;&#x63D0;&#x5230;switch&#x591A;&#x8DEF;&#x9078;&#x64C7;&#x3002;&#x9019;&#x88CF;&#x662F;&#x4E00;&#x500B;&#x7C21;&#x55AE;&#x7684;switch&#x7684;&#x4F8B;&#x5B50;&#xFF1A;</p>
<pre><code class="lang-go"><span class="hljs-keyword">switch</span> coinflip() {
<span class="hljs-keyword">case</span> <span class="hljs-string">&quot;heads&quot;</span>:
heads++
<span class="hljs-keyword">case</span> <span class="hljs-string">&quot;tails&quot;</span>:
tails++
<span class="hljs-keyword">default</span>:
fmt.Println(<span class="hljs-string">&quot;landed on edge!&quot;</span>)
}
</code></pre>
<p>&#x5728;&#x7FFB;&#x8F49;&#x786C;&#x5E63;&#x7684;&#x6642;&#x5019;&#xFF0C;&#x4F8B;&#x5B50;&#x88CF;&#x7684;coinflip&#x51FD;&#x6578;&#x8FD4;&#x8FF4;&#x5E7E;&#x7A2E;&#x4E0D;&#x8855;&#x7684;&#x7D50;&#x679C;&#xFF0C;&#x6BCF;&#x4E00;&#x500B;case&#x90FD;&#x6703;&#x5C0D;&#x61C9;&#x500B;&#x8FD4;&#x8FF4;&#x7D50;&#x679C;&#xFF0C;&#x9019;&#x88CF;&#x9700;&#x8981;&#x8A3B;&#x610F;&#xFF0C;Go&#x8A9E;&#x8A00;&#x4F75;&#x4E0D;&#x9700;&#x8981;&#x986F;&#x5F0F;&#x5730;&#x53BB;&#x5728;&#x6BCF;&#x4E00;&#x500B;case&#x5F8C;&#x5BEB;break&#xFF0C;&#x8A9E;&#x8A00;&#x9ED8;&#x8A8D;&#x57F7;&#x884C;&#x5B8C;case&#x5F8C;&#x7684;&#x908F;&#x8F2F;&#x8A9E;&#x53E5;&#x6703;&#x81EA;&#x52D5;&#x9000;&#x9F63;&#x3002;&#x7576;&#x7136;&#x4E86;&#xFF0C;&#x5982;&#x679C;&#x4F60;&#x60F3;&#x8981;&#x76F8;&#x9130;&#x7684;&#x5E7E;&#x500B;case&#x90FD;&#x57F7;&#x884C;&#x8855;&#x4E00;&#x908F;&#x8F2F;&#x7684;&#x8A71;&#xFF0C;&#x9700;&#x8981;&#x81EA;&#x5DF1;&#x986F;&#x5F0F;&#x5730;&#x5BEB;&#x4E0A;&#x4E00;&#x500B;fallthrough&#x8A9E;&#x53E5;&#x4F86;&#x8986;&#x84CB;&#x9019;&#x7A2E;&#x9ED8;&#x8A8D;&#x884C;&#x70BA;&#x3002;&#x4E0D;&#x904E;fallthrough&#x8A9E;&#x53E5;&#x5728;&#x4E00;&#x822C;&#x7684;&#x7DE8;&#x7A0B;&#x4E2D;&#x7528;&#x5230;&#x5F97;&#x5F88;&#x5C11;&#x3002;</p>
<p>go&#x88CF;&#x7684;switch&#x9084;&#x53EF;&#x4EE5;&#x4E0D;&#x5E36;&#x64CD;&#x4F5C;&#x5C0D;&#x8C61;&#xFF1B;&#x53EF;&#x4EE5;&#x76F4;&#x63A5;&#x7F85;&#x5217;&#x591A;&#x7A2E;&#x689D;&#x4EF6;&#xFF0C;&#x50CF;&#x5176;&#x5B83;&#x8A9E;&#x8A00;&#x88CF;&#x9EAB;&#x7684;&#x591A;&#x500B;if else&#x4E00;&#x6A23;&#xFF0C;&#x4E0B;&#x9EAB;&#x662F;&#x4E00;&#x500B;&#x4F8B;&#x5B50;&#xFF1A;</p>
<pre><code class="lang-go"><span class="hljs-keyword">func</span> Signum(x <span class="hljs-typename">int</span>) <span class="hljs-typename">int</span> {
<span class="hljs-keyword">switch</span> {
<span class="hljs-keyword">case</span> x &gt; <span class="hljs-number">0</span>:
<span class="hljs-keyword">return</span> +<span class="hljs-number">1</span>
<span class="hljs-keyword">default</span>:
<span class="hljs-keyword">return</span> <span class="hljs-number">0</span>
<span class="hljs-keyword">case</span> x &lt; <span class="hljs-number">0</span>:
<span class="hljs-keyword">return</span> -<span class="hljs-number">1</span>
}
}
</code></pre>
<p>&#x9019;&#x7A2E;&#x5F62;&#x5F0F;&#x53EB;&#x505A;&#x7121;tag switch(tagless switch)&#xFF1B;&#x9019;&#x548C;switch true&#x662F;&#x7B49;&#x50F9;&#x7684;&#x3002;</p>
<p>&#x50CF;for&#x548C;if&#x63A7;&#x88FD;&#x8A9E;&#x53E5;&#x4E00;&#x6A23;&#xFF0C;switch&#x4E5F;&#x53EF;&#x4EE5;&#x7DCA;&#x8DDF;&#x4E00;&#x500B;&#x7C21;&#x77ED;&#x7684;&#x8B8A;&#x91CF;&#x8072;&#x660E;&#xFF0C;&#x4E00;&#x500B;&#x81EA;&#x589E;&#x9336;&#x9054;&#x5F0F;&#x3001;&#x8CE6;&#x503C;&#x8A9E;&#x53E5;&#xFF0C;&#x6216;&#x8005;&#x4E00;&#x500B;&#x51FD;&#x6578;&#x8ABF;&#x7528;&#x3002;</p>
<p>break&#x548C;continue&#x8A9E;&#x53E5;&#x6703;&#x6539;&#x8B8A;&#x63A7;&#x88FD;&#x6D41;&#x3002;&#x548C;&#x5176;&#x5B83;&#x8A9E;&#x8A00;&#x4E2D;&#x7684;break&#x548C;continue&#x4E00;&#x6A23;&#xFF0C;break&#x6703;&#x4E2D;&#x65B7;&#x7576;&#x524D;&#x7684;&#x5FAA;&#x74B0;&#xFF0C;&#x4F75;&#x958B;&#x59CB;&#x57F7;&#x884C;&#x5FAA;&#x74B0;&#x4E4B;&#x5F8C;&#x7684;&#x5167;&#x5BB9;&#xFF0C;&#x800C;continue&#x6703;&#x4E2D;&#x8DF3;&#x904E;&#x7576;&#x524D;&#x5FAA;&#x74B0;&#xFF0C;&#x4F75;&#x958B;&#x59CB;&#x57F7;&#x884C;&#x4E0B;&#x4E00;&#x6B21;&#x5FAA;&#x74B0;&#x3002;&#x9019;&#x5169;&#x500B;&#x8A9E;&#x53E5;&#x9664;&#x4E86;&#x53EF;&#x4EE5;&#x63A7;&#x88FD;for&#x5FAA;&#x74B0;&#xFF0C;&#x9084;&#x53EF;&#x4EE5;&#x7528;&#x4F86;&#x63A7;&#x88FD;switch&#x548C;select&#x8A9E;&#x53E5;(&#x4E4B;&#x5F8C;&#x6703;&#x8B1B;&#x5230;)&#xFF0C;&#x5728;1.3&#x7BC0;&#x4E2D;&#x6211;&#x5011;&#x770B;&#x5230;&#xFF0C;continue&#x6703;&#x8DF3;&#x904E;&#x662F;&#x5167;&#x5C64;&#x7684;&#x5FAA;&#x74B0;&#xFF0C;&#x5982;&#x679C;&#x6211;&#x5011;&#x60F3;&#x8DF3;&#x904E;&#x7684;&#x662F;&#x66F4;&#x5916;&#x5C64;&#x7684;&#x5FAA;&#x74B0;&#x7684;&#x8A71;&#xFF0C;&#x6211;&#x5011;&#x53EF;&#x4EE5;&#x5728;&#x76F8;&#x61C9;&#x7684;&#x4F4D;&#x7F6E;&#x52A0;&#x4E0A;label&#xFF0C;&#x9019;&#x6A23;break&#x548C;continue&#x5C31;&#x53EF;&#x4EE5;&#x6839;&#x64DA;&#x6211;&#x5011;&#x7684;&#x60F3;&#x6CD5;&#x4F86;continue&#x548C;break&#x4EFB;&#x610F;&#x5FAA;&#x74B0;&#x3002;&#x9019;&#x770B;&#x8D77;&#x4F86;&#x751A;&#x81F3;&#x6709;&#x9EDE;&#x50CF;goto&#x8A9E;&#x53E5;&#x7684;&#x4F5C;&#x7528;&#x4E86;&#x3002;&#x7576;&#x7136;&#xFF0C;&#x4E00;&#x822C;&#x7A0B;&#x5E8F;&#x54E1;&#x4E5F;&#x4E0D;&#x6703;&#x7528;&#x5230;&#x9019;&#x7A2E;&#x64CD;&#x4F5C;&#x3002;&#x9019;&#x5169;&#x7A2E;&#x884C;&#x70BA;&#x66F4;&#x591A;&#x5730;&#x88AB;&#x7528;&#x5230;&#x6A5F;&#x5668;&#x751F;&#x6210;&#x7684;&#x4EE3;&#x78BC;&#x4E2D;&#x3002;</p>
<p>&#x547D;&#x540D;&#x985E;&#x578B;&#xFF1A;&#x985E;&#x578B;&#x8072;&#x660E;&#x4F7F;&#x5F97;&#x6211;&#x5011;&#x53EF;&#x4EE5;&#x5F88;&#x65B9;&#x4FBF;&#x5730;&#x7D66;&#x4E00;&#x500B;&#x7279;&#x6B8A;&#x985E;&#x578B;&#x4E00;&#x500B;&#x540D;&#x5B57;&#x3002;&#x56E0;&#x70BA;struct&#x985E;&#x578B;&#x8072;&#x660E;&#x901A;&#x5E38;&#x975E;&#x5E38;&#x5730;&#x9577;&#xFF0C;&#x6240;&#x4EE5;&#x6211;&#x5011;&#x7E3D;&#x8981;&#x7D66;&#x9019;&#x7A2E;struct&#x53D6;&#x4E00;&#x500B;&#x540D;&#x5B57;&#x3002;&#x672C;&#x7AE0;&#x4E2D;&#x5C31;&#x6709;&#x9019;&#x6A23;&#x4E00;&#x500B;&#x4F8B;&#x5B50;&#xFF0C;2d&#x9EDE;&#x985E;&#x578B;&#xFF1A;</p>
<pre><code class="lang-go"><span class="hljs-keyword">type</span> Point <span class="hljs-keyword">struct</span> {
X, Y <span class="hljs-typename">int</span>
}
<span class="hljs-keyword">var</span> p Point
</code></pre>
<p>&#x985E;&#x578B;&#x8072;&#x660E;&#x548C;&#x547D;&#x540D;&#x985E;&#x578B;&#x6703;&#x5728;&#x7B2C;&#x4E8C;&#x7AE0;&#x4E2D;&#x4ECB;&#x7D39;&#x3002;</p>
<p>&#x6307;&#x937C;&#xFF1A;Go&#x8A9E;&#x8A00;&#x63D0;&#x4F9B;&#x4E86;&#x6307;&#x937C;&#x3002;&#x6307;&#x937C;&#x662F;&#x4E00;&#x7A2E;&#x76F4;&#x63A5;&#x5B58;&#x5132;&#x4E86;&#x8B8A;&#x91CF;&#x7684;&#x5167;&#x5B58;&#x5730;&#x5740;&#x7684;&#x6578;&#x64DA;&#x7D50;&#x69CB;&#x3002;&#x5728;&#x5176;&#x5B83;&#x8A9E;&#x8A00;&#x4E2D;&#xFF0C;&#x6BD4;&#x5982;C&#x8A9E;&#x8A00;&#xFF0C;&#x6307;&#x937C;&#x662F;&#x5B8C;&#x5168;&#x4E0D;&#x53D7;&#x7D04;&#x675F;&#x7684;&#x3002;&#x5728;&#x53E6;&#x5916;&#x4E00;&#x4E9B;&#x8A9E;&#x8A00;&#x4E2D;&#xFF0C;&#x6307;&#x937C;&#x4E00;&#x822C;&#x88AB;&#x7A31;&#x70BA;&#x201C;&#x5F15;&#x7528;&#x201D;&#xFF0C;&#x9664;&#x4E86;&#x5230;&#x8655;&#x50B3;&#x905E;&#x9019;&#x4E9B;&#x6307;&#x937C;&#x4E4B;&#x5916;&#xFF0C;&#x4F75;&#x4E0D;&#x80FD;&#x5C0D;&#x9019;&#x4E9B;&#x6307;&#x937C;&#x505A;&#x592A;&#x591A;&#x4E8B;&#x60C5;&#x3002;go&#x5728;&#x9019;&#x5169;&#x7A2E;&#x7BC4;&#x570D;&#x4E2D;&#x53D6;&#x5F97;&#x4E86;&#x4E00;&#x500B;&#x5E73;&#x8861;&#x3002;&#x6307;&#x937C;&#x662F;&#x53EF;&#x898B;&#x7684;&#x5167;&#x5B58;&#x5730;&#x5740;&#xFF0C;&amp;&#x64CD;&#x4F5C;&#x7B26;&#x53EF;&#x4EE5;&#x8FD4;&#x8FF4;&#x4E00;&#x500B;&#x8B8A;&#x91CF;&#x7684;&#x5167;&#x5B58;&#x5730;&#x5740;&#xFF0C;&#x4F75;&#x4E14;*&#x64CD;&#x4F5C;&#x7B26;&#x53EF;&#x4EE5;&#x7A6B;&#x53D6;&#x6307;&#x937C;&#x6307;&#x66CF;&#x7684;&#x8B8A;&#x91CF;&#x5167;&#x5BB9;&#xFF0C;&#x4F46;&#x662F;&#x5728;go&#x8A9E;&#x8A00;&#x88CF;&#x6C92;&#x6709;&#x6307;&#x937C;&#x904B;&#x7B97;&#xFF0C;&#x4E5F;&#x5C31;&#x662F;&#x4E0D;&#x50CF;c&#x8A9E;&#x8A00;&#x88CF;&#x53EF;&#x4EE5;&#x5C0D;&#x6307;&#x937C;&#x9032;&#x884C;&#x52A0;&#x6216;&#x6E1B;&#x64CD;&#x4F5C;&#x3002;&#x6211;&#x5011;&#x6703;&#x5728;2.3.2&#x4E2D;&#x9032;&#x884C;&#x8A73;&#x7D30;&#x4ECB;&#x7D39;&#x3002;</p>
<p>&#x65B9;&#x6CD5;&#x548C;&#x63A5;&#x53E3;&#xFF1A;&#x65B9;&#x6CD5;&#x662F;&#x548C;&#x547D;&#x540D;&#x985E;&#x578B;&#x95DC;&#x806F;&#x7684;&#x4E00;&#x985E;&#x51FD;&#x6578;&#x3002;Go&#x8A9E;&#x8A00;&#x88CF;&#x6BD4;&#x8F03;&#x7279;&#x6B8A;&#x7684;&#x662F;&#x65B9;&#x6CD5;&#x53EF;&#x4EE5;&#x88AB;&#x95DC;&#x806F;&#x5230;&#x4EFB;&#x610F;&#x4E00;&#x7A2E;&#x547D;&#x540D;&#x985E;&#x578B;&#x3002;&#x5728;&#x7B2C;&#x516D;&#x7AE0;&#x6211;&#x5011;&#x6703;&#x8A73;&#x7D30;&#x5730;&#x8B1B;&#x65B9;&#x6CD5;&#x3002;&#x63A5;&#x53E3;&#x662F;&#x4E00;&#x7A2E;&#x62BD;&#x8C61;&#x985E;&#x578B;&#xFF0C;&#x9019;&#x7A2E;&#x985E;&#x578B;&#x53EF;&#x4EE5;&#x8B93;&#x6211;&#x5011;&#x4EE5;&#x8855;&#x6A23;&#x7684;&#x65B9;&#x5F0F;&#x4F86;&#x8655;&#x7406;&#x4E0D;&#x8855;&#x7684;&#x56FA;&#x6709;&#x985E;&#x578B;&#xFF0C;&#x4E0D;&#x7528;&#x95DC;&#x5FC3;&#x5B83;&#x5011;&#x7684;&#x5177;&#x9AD4;&#x5BE6;&#x73FE;&#xFF0C;&#x800C;&#x96BB;&#x9700;&#x8981;&#x95DC;&#x8A3B;&#x5B83;&#x5011;&#x63D0;&#x4F9B;&#x7684;&#x65B9;&#x6CD5;&#x3002;&#x7B2C;&#x4E03;&#x7AE0;&#x4E2D;&#x6703;&#x8A73;&#x7D30;&#x8AAA;&#x660E;&#x9019;&#x4E9B;&#x5167;&#x5BB9;&#x3002;</p>
<p>&#x5305;(packages)&#xFF1A;Go&#x8A9E;&#x8A00;&#x63D0;&#x4F9B;&#x4E86;&#x4E00;&#x4E9B;&#x5F88;&#x597D;&#x7528;&#x7684;package&#xFF0C;&#x4F75;&#x4E14;&#x9019;&#x4E9B;package&#x662F;&#x53EF;&#x4EE5;&#x64F4;&#x5C55;&#x7684;&#x3002;Go&#x8A9E;&#x8A00;&#x793E;&#x5340;&#x5DF2;&#x7D93;&#x5275;&#x9020;&#x4F75;&#x4E14;&#x5206;&#x4EAB;&#x4E86;&#x5F88;&#x591A;&#x5F88;&#x591A;&#x3002;&#x6240;&#x4EE5;Go&#x8A9E;&#x8A00;&#x7DE8;&#x7A0B;&#x5927;&#x591A;&#x6578;&#x60C5;&#x6CC1;&#x4E0B;&#x5C31;&#x662F;&#x7528;&#x5DF2;&#x6709;&#x7684;package&#x4F86;&#x5BEB;&#x6211;&#x5011;&#x81EA;&#x5DF1;&#x7684;&#x4EE3;&#x78BC;&#x3002;&#x901A;&#x904E;&#x9019;&#x672C;&#x66F8;&#xFF0C;&#x6211;&#x5011;&#x6703;&#x8B1B;&#x89E3;&#x4E00;&#x4E9B;&#x91CD;&#x8981;&#x7684;&#x6A19;&#x6E96;&#x5EAB;&#x5167;&#x7684;package&#xFF0C;&#x4F46;&#x662F;&#x9084;&#x662F;&#x6709;&#x5F88;&#x591A;&#x6211;&#x5011;&#x6C92;&#x6709;&#x7BC7;&#x5E45;&#x53BB;&#x8AAA;&#x660E;&#xFF0C;&#x56E0;&#x70BA;&#x6211;&#x5011;&#x6C92;&#x6CD5;&#x5728;&#x9019;&#x6A23;&#x7684;&#x539A;&#x5EA6;&#x7684;&#x66F8;&#x88CF;&#x53BB;&#x505A;&#x4E00;&#x90E8;&#x4EE3;&#x78BC;&#x5927;&#x5168;&#x3002;</p>
<p>&#x5728;&#x4F60;&#x958B;&#x59CB;&#x5BEB;&#x4E00;&#x500B;&#x65B0;&#x7A0B;&#x5E8F;&#x4E4B;&#x524D;&#xFF0C;&#x6700;&#x597D;&#x5148;&#x53BB;&#x6AA2;&#x67FB;&#x4E00;&#x4E0B;&#x662F;&#x4E0D;&#x662F;&#x5DF2;&#x7D93;&#x6709;&#x4E86;&#x73FE;&#x6210;&#x7684;&#x5EAB;&#x53EF;&#x4EE5;&#x5E6B;&#x52A9;&#x4F60;&#x66F4;&#x9AD8;&#x6548;&#x5730;&#x5B8C;&#x6210;&#x9019;&#x4EF6;&#x4E8B;&#x60C5;&#x3002;&#x4F60;&#x53EF;&#x4EE5;&#x5728;<a href="https://golang.org/pkg" target="_blank">https://golang.org/pkg</a> &#x548C; <a href="https://godoc.org" target="_blank">https://godoc.org</a> &#x4E2D;&#x627E;&#x5230;&#x6A19;&#x6E96;&#x5EAB;&#x548C;&#x793E;&#x5340;&#x5BEB;&#x7684;package&#x3002;godoc&#x9019;&#x500B;&#x5DE5;&#x5177;&#x53EF;&#x4EE5;&#x8B93;&#x4F60;&#x76F4;&#x63A5;&#x5728;&#x672C;&#x5730;&#x547D;&#x4EE4;&#x884C;&#x95B1;&#x8B80;&#x6A19;&#x6E96;&#x5EAB;&#x7684;&#x6587;&#x6A94;&#x3002;&#x6BD4;&#x5982;&#x4E0B;&#x9EAB;&#x9019;&#x500B;&#x4F8B;&#x5B50;&#x3002;</p>
<pre><code>$ go doc http.ListenAndServe
package http // import &quot;net/http&quot;
func ListenAndServe(addr string, handler Handler) error
ListenAndServe listens on the TCP network address addr and then
calls Serve with handler to handle requests on incoming connections.
...
</code></pre><p>&#x8A3B;&#x91CB;&#xFF1A;&#x6211;&#x5011;&#x4E4B;&#x524D;&#x5DF2;&#x7D93;&#x63D0;&#x5230;&#x904E;&#x4E86;&#x5728;&#x6E90;&#x6587;&#x4EF6;&#x7684;&#x958B;&#x982D;&#x5BEB;&#x7684;&#x8A3B;&#x91CB;&#x662F;&#x9019;&#x500B;&#x6E90;&#x6587;&#x4EF6;&#x7684;&#x6587;&#x6A94;&#x3002;&#x5728;&#x6BCF;&#x4E00;&#x500B;&#x51FD;&#x6578;&#x4E4B;&#x524D;&#x5BEB;&#x4E00;&#x500B;&#x8AAA;&#x660E;&#x51FD;&#x6578;&#x884C;&#x70BA;&#x7684;&#x8A3B;&#x91CB;&#x4E5F;&#x662F;&#x4E00;&#x500B;&#x597D;&#x7FD2;&#x6163;&#x3002;&#x9019;&#x4E9B;&#x6163;&#x4F8B;&#x5F88;&#x91CD;&#x8981;&#xFF0C;&#x56E0;&#x70BA;&#x9019;&#x4E9B;&#x5167;&#x5BB9;&#x6703;&#x88AB;&#x50CF;godoc&#x9019;&#x6A23;&#x7684;&#x5DE5;&#x5177;&#x6AA2;&#x6E2C;&#x5230;&#xFF0C;&#x4F75;&#x4E14;&#x5728;&#x57F7;&#x884C;&#x547D;&#x4EE4;&#x6642;&#x986F;&#x793A;&#x9019;&#x4E9B;&#x8A3B;&#x91CB;&#x3002;&#x5177;&#x9AD4;&#x53EF;&#x4EE5;&#x53C3;&#x8003;10.7.4&#x3002;</p>
<p>&#x591A;&#x884C;&#x8A3B;&#x91CB;&#x53EF;&#x4EE5;&#x7528;/<em> ... </em>/&#x4F86;&#x5305;&#x88F9;&#xFF0C;&#x548C;&#x5176;&#x5B83;&#x5927;&#x591A;&#x6578;&#x8A9E;&#x8A00;&#x4E00;&#x6A23;&#x3002;&#x5728;&#x6587;&#x4EF6;&#x4E00;&#x958B;&#x982D;&#x7684;&#x8A3B;&#x91CB;&#x4E00;&#x822C;&#x90FD;&#x662F;&#x9019;&#x7A2E;&#x5F62;&#x5F0F;&#xFF0C;&#x6216;&#x8005;&#x4E00;&#x5927;&#x6BB5;&#x7684;&#x89E3;&#x91CB;&#x6027;&#x7684;&#x8A3B;&#x91CB;&#x6587;&#x5B57;&#x4E5F;&#x6703;&#x88AB;&#x9019;&#x7B26;&#x865F;&#x5305;&#x4F4F;&#xFF0C;&#x4F86;&#x907F;&#x514D;&#x6BCF;&#x4E00;&#x884C;&#x90FD;&#x9700;&#x8981;&#x52A0;//&#x3002;&#x5728;&#x8A3B;&#x91CB;&#x4E2D;//&#x548C;/*&#x662F;&#x6C92;&#x4EC0;&#x9EBC;&#x610F;&#x7FA9;&#x7684;&#xFF0C;&#x6240;&#x4EE5;&#x4E0D;&#x8981;&#x5728;&#x8A3B;&#x91CB;&#x4E2D;&#x518D;&#x5D4C;&#x5165;&#x8A3B;&#x91CB;&#x3002;</p>
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