Go语学习笔记 - select | 从零开始Go语言

package main
import (
  "fmt"
  "time"
)
func GoPick1(ch chan string) {
  time.Sleep(1 * time.Second)
  ch <- "Apple"
}
func GoPick2(ch chan string) {
  time.Sleep(5 * time.Second)
  ch <- "Banana"
}
func main() {
  ch1 := make(chan string)
  ch2 := make(chan string)
  go GoPick1(ch1)
  go GoPick2(ch2)
  _cul := 0
  for true {
        fmt.Println(_cul)
  if _cul == 1 {
    break
  }
  select {
  case str1 := <-ch1:
    fmt.Println("get ", str1)
  case str2 := <-ch2:
    fmt.Println("get ", str2)
  case <-time.After(10 * time.Second):
    fmt.Println("time out")
    _cul = 1
    break
  }
  }
}