GO語言練習:switch基本用法

來源:互聯網
上載者:User
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1、代碼

2、運行

 

1、代碼

 1 package main 2 import "fmt" 3  4 func switch_1(i int){ 5     switch i {  6     case 0 :  7         fmt.Println("0 --: i = ", i);  8     case 1: 9         fmt.Println("1 --: i = ", i); 10     case 2:11         fmt.Println("2 --: i = ", i); 12         fallthrough13     case 3:14         fmt.Println("3 --: i = ", i); 15     case 4, 5, 6:16         fmt.Println("4, 5, 6 --: i = ", i); 17         default :18         fmt.Println("Default --: i = ", i); 19     }   20 }21 22 func switch_2(i int){23     switch {24     case 0 <= i && i <= 3 :25         fmt.Println("0-3: i = ", i)26     case 4 <= i && i <= 6 :27         fmt.Println("4-6: i = ", i)28     case 7 <= i && i <= 9 :29         fmt.Println("7-9: i = ", i)30     }31 }32 33 func main(){34     for i := 0; i <= 6; i++ {35         switch_1(i)36     }37     fmt.Println("------------------------------")38     for i := 0; i <= 6; i++ {39         switch_2(i)40     }41 }

2、運行

$ go run switch.go 0 --: i =  01 --: i =  12 --: i =  23 --: i =  23 --: i =  34, 5, 6 --: i =  44, 5, 6 --: i =  54, 5, 6 --: i =  6------------------------------0-3: i =  00-3: i =  10-3: i =  20-3: i =  34-6: i =  44-6: i =  54-6: i =  6

 

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