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Go 多情况 switch 语句


多情况 switch 语句

switch 语句中,每个 case 可以有多个值。

语法

switch 表达式 {
case x,y
  // 如果表达式的值为 x 或 y,则执行此代码块
case v,w
  // 如果表达式的值为 v 或 w,则执行此代码块
case z
...
default
  // 如果表达式的值在任何 case 中都未找到,则执行此代码块
}

多情况 switch 示例

下面的示例使用工作日编号来返回不同的文本。

示例

package main
import ("fmt")

func main() {
   day := 5

   switch day {
   case 1,3,5
    fmt.Println("奇数工作日")
   case 2,4
     fmt.Println("偶数工作日")
   case 6,7
    fmt.Println("周末")
  default
    fmt.Println("无效的工作日编号")
  }
}

结果

奇数工作日
自己尝试一下 »

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