func workRoutine(work chan string, done chan string, wg *sync.WaitGroup) {
defer wg.Done()
for {
select {
case donemsg := <-done:
fmt.Println(donemsg)
return
case <-time.After(time.Second * 1000):
fmt.Println("timeout")
return
case msg := <-work:
fmt.Println(msg)
time.Sleep(time.Second)
fmt.Println("work done")
}
}
}

这样的？