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lines changed Original file line number Diff line number Diff line change @@ -73,8 +73,11 @@ $ go get github.com/Tinywan/golang-tutorial
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###### 30 - 错误处理
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###### 31 - 自定义错误
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###### 32 -Panic 和 Recover
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- ###### 33 - 头等函数
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- ######34 - 反射
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+ #### 头等函数
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+ ###### 33 - 头等函数
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+ #### 反射
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+ ###### 34 - 反射
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+ #### 文件操作
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###### [ 35 - 读文件] ( /docs/golang_tutorial_35.md )
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#### 文档
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import (
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"fmt"
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+ "os"
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+ "strings"
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)
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- var age int
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-
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func main () {
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- name := "Tinywan"
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- fmt .Println (name )
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- fmt .Println (name )
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- }
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+ os .Setenv ("Name" , "Tinywan" )
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+ fmt .Println ("Name = " , os .Getenv ("Name" ))
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+ fmt .Println ("Bar" , os .Getenv ("bar" ))
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+ fmt .Println ()
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+
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+ fmt .Println ()
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+ for _ , e := range os .Environ () {
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+ pair := strings .Split (e , "=" )
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+ fmt .Println (pair [0 ])
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+ }
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+ }
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+ go
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35 - 读取文件
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========================
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-
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+ <div align =" center " >
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+ <img src =" ../images/golang-read-files.png " /><br ><br >
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+ </div >
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上一节:[ 第十六篇 结构体] ( /docs/golang_tutorial_16.md )
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下一节:[ 第十八篇 接口一] ( /docs/golang_tutorial_18.md )
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