package main import ( "fmt" "math/rand" "time" ) //生产者 func producer(header string,channel chan<- string) { for{ channel <- fmt.Sprintf("%s: %v",header,rand.Int31()) time.Sleep(time.Second) } } //消费者 func customer(channel <- chan string) { for { message := <- channel fmt.Println(message) } } func main() { channel := make(chan string) go producer("火柴人",channel) go producer("木头人",channel) customer(channel) }