Go语言协程和管道示例

package main

import "fmt"

// write data
func writeData(intChan chan int) {
	for i := 1; i <= 50; i++{
		intChan <- i
		fmt.Println("write data ", i)
	}
	close(intChan)
}

// read data
func readData(intChan chan int, exitChan chan bool) {
	for {
		v, ok := <- intChan
		if !ok {
			break
		}
		fmt.Printf("read data = %v\n", v)
	}
	exitChan <- true
	close(exitChan)
}
func main() {

	intChan := make(chan int, 50)
	exitChan := make(chan bool, 1)
	go writeData(intChan)
	go readData(intChan, exitChan)
	for {
		_, ok := <- exitChan
		if !ok {
			break
		}
	}

}