Go by Example / Golang入门教程（非常详细）

￡神魔★判官ぃ 2022-04-23 19:38 452阅读 0赞

## 转载:[https://gobyexample.com/][https_gobyexample.com] ##

## [Go by Example][https_gobyexample.com] ##

[Go][] is an open source programming language designed for building simple, fast, and reliable software.

*Go by Example* is a hands-on introduction to Go using annotated example programs. Check out the [first example][]or browse the full list below.

*  [Hello World][first example]
 *  [Values][]
 *  [Variables][]
 *  [Constants][]
 *  [For][]
 *  [If/Else][If_Else]
 *  [Switch][]
 *  [Arrays][]
 *  [Slices][]
 *  [Maps][]
 *  [Range][]
 *  [Functions][]
 *  [Multiple Return Values][]
 *  [Variadic Functions][]
 *  [Closures][]
 *  [Recursion][]
 *  [Pointers][]
 *  [Structs][]
 *  [Methods][]
 *  [Interfaces][]
 *  [Errors][]
 *  [Goroutines][]
 *  [Channels][]
 *  [Channel Buffering][]
 *  [Channel Synchronization][]
 *  [Channel Directions][]
 *  [Select][]
 *  [Timeouts][]
 *  [Non-Blocking Channel Operations][]
 *  [Closing Channels][]
 *  [Range over Channels][]
 *  [Timers][]
 *  [Tickers][]
 *  [Worker Pools][]
 *  [Rate Limiting][]
 *  [Atomic Counters][]
 *  [Mutexes][]
 *  [Stateful Goroutines][]
 *  [Sorting][]
 *  [Sorting by Functions][]
 *  [Panic][]
 *  [Defer][]
 *  [Collection Functions][]
 *  [String Functions][]
 *  [String Formatting][]
 *  [Regular Expressions][]
 *  [JSON][]
 *  [Time][]
 *  [Epoch][]
 *  [Time Formatting / Parsing][Time Formatting _ Parsing]
 *  [Random Numbers][]
 *  [Number Parsing][]
 *  [URL Parsing][]
 *  [SHA1 Hashes][]
 *  [Base64 Encoding][]
 *  [Reading Files][]
 *  [Writing Files][]
 *  [Line Filters][]
 *  [Command-Line Arguments][]
 *  [Command-Line Flags][]
 *  [Environment Variables][]
 *  [Spawning Processes][]
 *  [Exec'ing Processes][Exec_ing Processes]
 *  [Signals][]
 *  [Exit][]

by [Mark McGranaghan][] | [source][] | [license][]

# Go语言入门教程，Golang入门教程（非常详细） #

Go语言也称 Golang，兼具效率、性能、安全、健壮等特性。这套Go语言教程（Golang教程）通俗易懂，深入浅出，既适合没有基础的读者快速入门，也适合工作多年的程序员查阅知识点。

这套教程在讲解一些知识点时，将 Go 语言和其他多种语言进行对比，让掌握其它编程语言的读者能迅速理解 Go 语言的特性。  
  
Go语言从底层原生支持并发，无须第三方库、开发者的编程技巧和开发经验就可以轻松搞定。

其他Go语言入门教程：[Go语言教程简明版][Go 1]、[Go语言 30 分钟入门教程][Go_ 30]

[第1章 Go语言简介][1_ Go]

1.[Go语言简介][Go 2]

2.[Go语言为并发而生][Go 3]

3.[哪些项目使用Go语言开发？][Go 4]

4.[Go语言的性能如何？][Go 5]

5.[Go语言标准库强大][Go 6]

6.[Go语言上手简单][Go 7]

7.[Go语言代码风格清晰、简单][Go 8]

8.[安装Go语言开发包][Go 9]

[第2章 Go语言基本语法][2_ Go]

1.[Go语言变量的声明][Go 10]

2.[Go语言变量的初始化][Go 11]

3.[Go语言多个变量同时赋值][Go 12]

4.[Go语言匿名变量][Go 13]

5.[Go语言整型（整数类型）][Go 14]

6.[Go语言浮点类型（小数类型）][Go 15]

7.[实例：输出正弦函数（Sin）图像][Sin]

8.[Go语言bool类型（布尔类型）][Go_bool]

9.[Go语言字符串][Go 16]

10.[Go语言字符类型（byte和rune）][Go_byte_rune]

11.[Go语言数据类型转换][Go 17]

12.[Go语言指针][Go 18]

13.[Go语言变量生命期][Go 19]

14.[Go语言常量][Go 20]

15.[Go语言模拟枚举][Go 21]

16.[Go语言类型别名][Go 22]

[第3章 Go语言容器][3_ Go]

1.[Go语言数组][Go 23]

2.[Go语言切片][Go 24]

3.[使用append()为切片添加元素][append]

4.[Go语言切片复制][Go 25]

5.[Go语言从切片中删除元素][Go 26]

6.[Go语言map（映射）][Go_map]

7.[Go语言遍历map][Go_map 1]

8.[map元素的删除和清空][map]

9.[Go语言sync.Map][Go_sync.Map]

10.[Go语言list（列表）][Go_list]

[第4章 流程控制][4_]

1.[Go语言分支结构][Go 27]

2.[Go语言循环结构][Go 28]

3.[输出九九乘法表][Link 1]

4.[Go语言键值循环][Go 29]

5.[Go语言switch语句][Go_switch]

6.[Go语言goto语句][Go_goto]

7.[Go语言break（跳出循环）][Go_break]

8.[Go语言continue][Go_continue]

[第5章 Go语言函数][5_ Go]

1.[Go语言函数声明][Go 30]

2.[示例：将秒转换为具体的时间][Link 2]

3.[示例：函数中的参数传递效果测试][Link 3]

4.[Go语言函数变量][Go 31]

5.[Go语言字符串的链式处理][Go 32]

6.[Go语言匿名函数][Go 33]

7.[Go语言函数类型实现接口][Go 34]

8.[Go语言闭包（Closure）][Go_Closure]

9.[Go语言可变参数][Go 35]

10.[Go语言defer（延迟执行语句）][Go_defer]

11.[Go语言处理运行时错误][Go 36]

12.[Go语言宕机（panic）][Go_panic]

13.[Go语言宕机恢复（recover）][Go_recover]

[第6章 Go语言结构体][6_ Go]

1.[Go语言结构体定义][Go 37]

2.[Go语言实例化结构体][Go 38]

3.[初始化结构体的成员变量][Link 4]

4.[Go语言构造函数][Go 39]

5.[Go语言方法和接收器][Go 40]

6.[为任意类型添加方法][Link 5]

7.[示例：使用事件系统实现事件的响应和处理][Link 6]

8.[类型内嵌和结构体内嵌][Link 7]

9.[结构体内嵌模拟类的继承][Link 8]

10.[初始化内嵌结构体][Link 9]

11.[内嵌结构体成员名字冲突][Link 10]

12.[示例：使用匿名结构体解析JSON数据][JSON 1]

[第7章 Go语言接口][7_ Go]

1.[Go语言结构声明（定义）][Go 41]

2.[Go语言实现接口的条件][Go 42]

3.[Go语言类型与接口的关系][Go 43]

4.[示例：Go语言实现日志系统][Go 44]

5.[Go语言排序][Go 45]

6.[Go语言接口的嵌套组合][Go 46]

7.[Go语言接口和类型之间的转换][Go 47]

8.[Go语言空接口类型][Go 48]

9.[示例：使用空接口实现可以保存任意值的字典][Link 11]

10.[Go语言类型分支][Go 49]

[第8章 Go语言包（package）][8_ Go_package]

1.[Go语言GOPATH][Go_GOPATH]

2.[Go语言package][Go_package]

3.[Go语言导出包中的标识符][Go 50]

4.[Go语言import导入包][Go_import]

5.[Go语言工厂模式自动注册][Go 51]

[第9章 Go语言并发][9_ Go]

1.[Go语言轻量级线程][Go 52]

2.[Go语言调整并发的运行性能][Go 53]

3.[并发和并行的区别][Link 12]

4.[goroutine和coroutine的区别][goroutine_coroutine]

5.[Go语言通道（chan）][Go_chan]

6.[示例：并发打印][Link 13]

7.[Go语言单向通道][Go 54]

8.[Go语言带缓冲的通道][Go 55]

9.[Go语言通道的多路复用][Go 56]

10.[Go语言模拟远程过程调用][Go 57]

11.[示例：使用通道响应计时器的事件][Link 14]

12.[Go语言关闭通道后继续使用通道][Go 58]

13.[Go语言Telnet回音服务器][Go_Telnet]

14.[检测代码在并发环境下可能出现的问题][Link 15]

15.[互斥锁和读写互斥锁][Link 16]

16.[Go语言等待组][Go 59]

[第10章 Go语言反射][10_ Go]

1.[通过反射获取类型信息][Link 17]

2.[通过反射获取指针指向的元素类型][Link 18]

3.[通过反射获取结构体的成员类型][Link 19]

4.[Go语言结构体标签][Go 60]

5.[通过反射获取值信息][Link 20]

6.[通过反射访问结构体成员的值][Link 21]

7.[判断反射值的空和有效性][Link 22]

8.[通过反射修改变量的值][Link 23]

9.[通过类型信息创建实例][Link 24]

10.[通过反射调用函数][Link 25]

[第11章 Go语言编译与工具][11_ Go]

1.[go build命令][go build]

2.[go run命令][go run]

3.[go install命令][go install]

4.[go get命令][go get]

5.[go test命令][go test]

6.[go pprof命令][go pprof]

[第12章 “避坑”与技巧][12_]

1.[高效地使用Go语言并发特性][Go 61]

2.[反射——性能和灵活性的双刃剑][Link 26]

3.[接口的nil判断][nil]

4.[Go语言map的多键索引][Go_map 2]

Go语言入门必读

1.[Go语言中文网：论坛+教程+文档+书籍][Go 62]

2.[Go语言入门须知：Go语言的9大优势和3大缺点][Go_Go_9_3]

3.[Go语言教程汇总，Golang学习资料整理][Go_Golang]

4.[Golang语言如何入门，如何提高?][Golang]

5.[系统学习Golang，推荐几本靠谱的书籍或者教程？][Golang 1]

6.[Go语言Web开发教程之最好的6个Go语言Web框架][Go_Web_6_Go_Web]

7.[Go语言视频教程（从入门到进阶）- 慕课网][Go_-]

8.[Golang视频教程 - 极客学院][Golang_ -]

[https_gobyexample.com]: https://gobyexample.com/
[Go]: http://golang.org/
[first example]: https://gobyexample.com/hello-world
[Values]: https://gobyexample.com/values
[Variables]: https://gobyexample.com/variables
[Constants]: https://gobyexample.com/constants
[For]: https://gobyexample.com/for
[If_Else]: https://gobyexample.com/if-else
[Switch]: https://gobyexample.com/switch
[Arrays]: https://gobyexample.com/arrays
[Slices]: https://gobyexample.com/slices
[Maps]: https://gobyexample.com/maps
[Range]: https://gobyexample.com/range
[Functions]: https://gobyexample.com/functions
[Multiple Return Values]: https://gobyexample.com/multiple-return-values
[Variadic Functions]: https://gobyexample.com/variadic-functions
[Closures]: https://gobyexample.com/closures
[Recursion]: https://gobyexample.com/recursion
[Pointers]: https://gobyexample.com/pointers
[Structs]: https://gobyexample.com/structs
[Methods]: https://gobyexample.com/methods
[Interfaces]: https://gobyexample.com/interfaces
[Errors]: https://gobyexample.com/errors
[Goroutines]: https://gobyexample.com/goroutines
[Channels]: https://gobyexample.com/channels
[Channel Buffering]: https://gobyexample.com/channel-buffering
[Channel Synchronization]: https://gobyexample.com/channel-synchronization
[Channel Directions]: https://gobyexample.com/channel-directions
[Select]: https://gobyexample.com/select
[Timeouts]: https://gobyexample.com/timeouts
[Non-Blocking Channel Operations]: https://gobyexample.com/non-blocking-channel-operations
[Closing Channels]: https://gobyexample.com/closing-channels
[Range over Channels]: https://gobyexample.com/range-over-channels
[Timers]: https://gobyexample.com/timers
[Tickers]: https://gobyexample.com/tickers
[Worker Pools]: https://gobyexample.com/worker-pools
[Rate Limiting]: https://gobyexample.com/rate-limiting
[Atomic Counters]: https://gobyexample.com/atomic-counters
[Mutexes]: https://gobyexample.com/mutexes
[Stateful Goroutines]: https://gobyexample.com/stateful-goroutines
[Sorting]: https://gobyexample.com/sorting
[Sorting by Functions]: https://gobyexample.com/sorting-by-functions
[Panic]: https://gobyexample.com/panic
[Defer]: https://gobyexample.com/defer
[Collection Functions]: https://gobyexample.com/collection-functions
[String Functions]: https://gobyexample.com/string-functions
[String Formatting]: https://gobyexample.com/string-formatting
[Regular Expressions]: https://gobyexample.com/regular-expressions
[JSON]: https://gobyexample.com/json
[Time]: https://gobyexample.com/time
[Epoch]: https://gobyexample.com/epoch
[Time Formatting _ Parsing]: https://gobyexample.com/time-formatting-parsing
[Random Numbers]: https://gobyexample.com/random-numbers
[Number Parsing]: https://gobyexample.com/number-parsing
[URL Parsing]: https://gobyexample.com/url-parsing
[SHA1 Hashes]: https://gobyexample.com/sha1-hashes
[Base64 Encoding]: https://gobyexample.com/base64-encoding
[Reading Files]: https://gobyexample.com/reading-files
[Writing Files]: https://gobyexample.com/writing-files
[Line Filters]: https://gobyexample.com/line-filters
[Command-Line Arguments]: https://gobyexample.com/command-line-arguments
[Command-Line Flags]: https://gobyexample.com/command-line-flags
[Environment Variables]: https://gobyexample.com/environment-variables
[Spawning Processes]: https://gobyexample.com/spawning-processes
[Exec_ing Processes]: https://gobyexample.com/execing-processes
[Signals]: https://gobyexample.com/signals
[Exit]: https://gobyexample.com/exit
[Mark McGranaghan]: https://markmcgranaghan.com/
[source]: https://github.com/mmcgrana/gobyexample
[license]: https://github.com/mmcgrana/gobyexample#license
[Go 1]: http://www.runoob.com/go/go-tutorial.html
[Go_ 30]: https://studygolang.com/articles/13958
[1_ Go]: http://c.biancheng.net/golang/intro/
[Go 2]: http://c.biancheng.net/view/1.html
[Go 3]: http://c.biancheng.net/view/2.html
[Go 4]: http://c.biancheng.net/view/3.html
[Go 5]: http://c.biancheng.net/view/4.html
[Go 6]: http://c.biancheng.net/view/5.html
[Go 7]: http://c.biancheng.net/view/6.html
[Go 8]: http://c.biancheng.net/view/7.html
[Go 9]: http://c.biancheng.net/view/8.html
[2_ Go]: http://c.biancheng.net/golang/syntax/
[Go 10]: http://c.biancheng.net/view/9.html
[Go 11]: http://c.biancheng.net/view/10.html
[Go 12]: http://c.biancheng.net/view/11.html
[Go 13]: http://c.biancheng.net/view/12.html
[Go 14]: http://c.biancheng.net/view/13.html
[Go 15]: http://c.biancheng.net/view/14.html
[Sin]: http://c.biancheng.net/view/15.html
[Go_bool]: http://c.biancheng.net/view/16.html
[Go 16]: http://c.biancheng.net/view/17.html
[Go_byte_rune]: http://c.biancheng.net/view/18.html
[Go 17]: http://c.biancheng.net/view/20.html
[Go 18]: http://c.biancheng.net/view/21.html
[Go 19]: http://c.biancheng.net/view/22.html
[Go 20]: http://c.biancheng.net/view/23.html
[Go 21]: http://c.biancheng.net/view/24.html
[Go 22]: http://c.biancheng.net/view/25.html
[3_ Go]: http://c.biancheng.net/golang/container/
[Go 23]: http://c.biancheng.net/view/26.html
[Go 24]: http://c.biancheng.net/view/27.html
[append]: http://c.biancheng.net/view/28.html
[Go 25]: http://c.biancheng.net/view/29.html
[Go 26]: http://c.biancheng.net/view/30.html
[Go_map]: http://c.biancheng.net/view/31.html
[Go_map 1]: http://c.biancheng.net/view/32.html
[map]: http://c.biancheng.net/view/33.html
[Go_sync.Map]: http://c.biancheng.net/view/34.html
[Go_list]: http://c.biancheng.net/view/35.html
[4_]: http://c.biancheng.net/golang/flow_control/
[Go 27]: http://c.biancheng.net/view/44.html
[Go 28]: http://c.biancheng.net/view/45.html
[Link 1]: http://c.biancheng.net/view/46.html
[Go 29]: http://c.biancheng.net/view/47.html
[Go_switch]: http://c.biancheng.net/view/48.html
[Go_goto]: http://c.biancheng.net/view/49.html
[Go_break]: http://c.biancheng.net/view/50.html
[Go_continue]: http://c.biancheng.net/view/51.html
[5_ Go]: http://c.biancheng.net/golang/func/
[Go 30]: http://c.biancheng.net/view/52.html
[Link 2]: http://c.biancheng.net/view/53.html
[Link 3]: http://c.biancheng.net/view/54.html
[Go 31]: http://c.biancheng.net/view/55.html
[Go 32]: http://c.biancheng.net/view/56.html
[Go 33]: http://c.biancheng.net/view/57.html
[Go 34]: http://c.biancheng.net/view/58.html
[Go_Closure]: http://c.biancheng.net/view/59.html
[Go 35]: http://c.biancheng.net/view/60.html
[Go_defer]: http://c.biancheng.net/view/61.html
[Go 36]: http://c.biancheng.net/view/62.html
[Go_panic]: http://c.biancheng.net/view/63.html
[Go_recover]: http://c.biancheng.net/view/64.html
[6_ Go]: http://c.biancheng.net/golang/struct/
[Go 37]: http://c.biancheng.net/view/65.html
[Go 38]: http://c.biancheng.net/view/66.html
[Link 4]: http://c.biancheng.net/view/67.html
[Go 39]: http://c.biancheng.net/view/68.html
[Go 40]: http://c.biancheng.net/view/69.html
[Link 5]: http://c.biancheng.net/view/70.html
[Link 6]: http://c.biancheng.net/view/71.html
[Link 7]: http://c.biancheng.net/view/72.html
[Link 8]: http://c.biancheng.net/view/73.html
[Link 9]: http://c.biancheng.net/view/74.html
[Link 10]: http://c.biancheng.net/view/75.html
[JSON 1]: http://c.biancheng.net/view/76.html
[7_ Go]: http://c.biancheng.net/golang/interface/
[Go 41]: http://c.biancheng.net/view/77.html
[Go 42]: http://c.biancheng.net/view/78.html
[Go 43]: http://c.biancheng.net/view/79.html
[Go 44]: http://c.biancheng.net/view/80.html
[Go 45]: http://c.biancheng.net/view/81.html
[Go 46]: http://c.biancheng.net/view/82.html
[Go 47]: http://c.biancheng.net/view/83.html
[Go 48]: http://c.biancheng.net/view/84.html
[Link 11]: http://c.biancheng.net/view/85.html
[Go 49]: http://c.biancheng.net/view/86.html
[8_ Go_package]: http://c.biancheng.net/golang/package/
[Go_GOPATH]: http://c.biancheng.net/view/88.html
[Go_package]: http://c.biancheng.net/view/89.html
[Go 50]: http://c.biancheng.net/view/90.html
[Go_import]: http://c.biancheng.net/view/91.html
[Go 51]: http://c.biancheng.net/view/92.html
[9_ Go]: http://c.biancheng.net/golang/concurrent/
[Go 52]: http://c.biancheng.net/view/93.html
[Go 53]: http://c.biancheng.net/view/94.html
[Link 12]: http://c.biancheng.net/view/95.html
[goroutine_coroutine]: http://c.biancheng.net/view/96.html
[Go_chan]: http://c.biancheng.net/view/97.html
[Link 13]: http://c.biancheng.net/view/98.html
[Go 54]: http://c.biancheng.net/view/99.html
[Go 55]: http://c.biancheng.net/view/100.html
[Go 56]: http://c.biancheng.net/view/101.html
[Go 57]: http://c.biancheng.net/view/102.html
[Link 14]: http://c.biancheng.net/view/103.html
[Go 58]: http://c.biancheng.net/view/104.html
[Go_Telnet]: http://c.biancheng.net/view/105.html
[Link 15]: http://c.biancheng.net/view/106.html
[Link 16]: http://c.biancheng.net/view/107.html
[Go 59]: http://c.biancheng.net/view/108.html
[10_ Go]: http://c.biancheng.net/golang/reflect/
[Link 17]: http://c.biancheng.net/view/109.html
[Link 18]: http://c.biancheng.net/view/110.html
[Link 19]: http://c.biancheng.net/view/111.html
[Go 60]: http://c.biancheng.net/view/112.html
[Link 20]: http://c.biancheng.net/view/113.html
[Link 21]: http://c.biancheng.net/view/114.html
[Link 22]: http://c.biancheng.net/view/115.html
[Link 23]: http://c.biancheng.net/view/116.html
[Link 24]: http://c.biancheng.net/view/117.html
[Link 25]: http://c.biancheng.net/view/118.html
[11_ Go]: http://c.biancheng.net/golang/build/
[go build]: http://c.biancheng.net/view/120.html
[go run]: http://c.biancheng.net/view/121.html
[go install]: http://c.biancheng.net/view/122.html
[go get]: http://c.biancheng.net/view/123.html
[go test]: http://c.biancheng.net/view/124.html
[go pprof]: http://c.biancheng.net/view/125.html
[12_]: http://c.biancheng.net/golang/skill/
[Go 61]: http://c.biancheng.net/view/126.html
[Link 26]: http://c.biancheng.net/view/127.html
[nil]: http://c.biancheng.net/view/128.html
[Go_map 2]: http://c.biancheng.net/view/129.html
[Go 62]: https://studygolang.com/
[Go_Go_9_3]: https://www.cnblogs.com/timxgb/p/8728912.html
[Go_Golang]: https://blog.csdn.net/caoshangpa/article/details/80119013
[Golang]: https://www.zhihu.com/question/35657641
[Golang 1]: https://www.zhihu.com/question/30461290/answer/210414739
[Go_Web_6_Go_Web]: https://blog.csdn.net/dev_csdn/article/details/78740990
[Go_-]: http://www.imooc.com/course/list?c=go
[Golang_ -]: https://www.jikexueyuan.com/course/go/