mirror of
https://github.com/rizonesoft/Notepad3.git
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40 lines
856 B
Go
40 lines
856 B
Go
package main
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import (
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"fmt"
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"math/rand"
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)
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func main() {
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channels := make([]chan bool, 6) //创建一个类型为chan bool的切片，每一项是能发送bool值的通道
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for i := range channels { //通过range初始化切片
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channels[i] = make(chan bool)
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}
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go func() { //在其他goroutine中执行匿名函数
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for {
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channels[rand.Intn(6)] <- true //read.Intn(n, int)的用途是产生一个不大于n的随机数
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} // 发送数据到随机出现的通道
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}()
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for i := 0; i < 36; i++ {
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var x int
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select { // select语句当监听到哪个分支的通道未阻塞时就跳转到哪个分支
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case <-channels[0]:
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x = 1
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case <-channels[1]:
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x = 2
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case <-channels[2]:
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x = 3
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case <-channels[3]:
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x = 4
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case <-channels[4]:
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x = 5
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case <-channels[5]:
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x = 6
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}
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fmt.Printf("%d ", x)
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}
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fmt.Println()
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}
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