详解Golang中switch语句和select语句的用法

这篇文章主要给大家介绍了关于Golang中switch和select的用法教程，文中通过示例代码将switch语句与select语句的使用方法介绍的非常详细，对大家具有一定的参考学习价值，需要的朋友们下面跟着小编一起来学习学习吧。

var name string 
... 
switch name { 
case "Golang": 
 fmt.Println("Golang") 
case "Rust": 
 fmt.Println("Rust") 
default: 
 fmt.Println("PHP是世界上最好的语言") 
} 

names := []string{"Golang","java","PHP"} 
switch name:=names[0];name { 
case "Golang": 
 fmt.Println("Golang") 
... 
default: 
 fmt.Println("Unknown") 
} 

v := 11 
switch i := interface{}(v).(type) { 
case int, int8, int16, int32, int64: 
 fmt.Println("A signed integer:%d. The type is %T. \n", v, i) 
case uint, uint8, uint16, uint32, uint64: 
 fmt.Println("A unsigned integer: %d. The type is %T. \n", v, i) 
default: 
 fmt.Println("Unknown!") 
} 

ch1 := make (chan int, 1) 
ch2 := make (chan int, 1) 
 
... 
 
select { 
case <-ch1: 
 fmt.Println("ch1 pop one element") 
case <-ch2: 
 fmt.Println("ch2 pop one element") 
} 

timeout := make(chan bool, 1) 
go func() { 
 time.Sleep(time.Second * 10) 
 timeout <- true 
}() 
select { 
case <-pssScanResponseChan: 
 
case <-timeout: 
 fmt.PrintIn("timeout!") 
} 

ch1 := make (chan int, 1) 
ch2 := make (chan int, 1) 
 
select { 
case <-ch1: 
 fmt.Println("ch1 pop one element") 
case <-ch2: 
 fmt.Println("ch2 pop one element") 
default: 
 fmt.Println("default") 
} 

ch := make (chan int, 1) 
ch <- 1 
select { 
case ch <- 2: 
default: 
 fmt.Println("channel is full !") 
} 

flag := false 
for { 
 select { 
 case <-pssScanResponseChan: 
 continue 
 default: 
 flag = true 
 } 
 if true == flag { 
 break 
 } 
} 

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