package main

import (

    "fmt"

    "time"

)

func main() {

    ch := make(chan int)

    quit := make(chan bool)

    go func() {

        for true {

            select {

            case num := <- ch:

                fmt.Println("num = ", num)

            case <-time.After(*time.Second):

                quit<-true

            }

        }

    }()

    for i:=; i<; i++ {

        ch<-i

        time.Sleep(time.Second)

    }

    <-quit

    fmt.Println("程序结束")

}

num =

num =

num =

num =

num =

num =

num =

num =

num =

程序结束