**jasonlvhit/gocron** 安裝： ~~~ go get -u github.com/jasonlvhit/gocron ~~~ 每隔1秒執行一個任務，每隔4秒執行另一個任務： ~~~ package main import ( "fmt" "time" "github.com/jasonlvhit/gocron" ) func task() { fmt.Println("I am runnning task.", time.Now()) } func superWang() { fmt.Println("I am runnning superWang.", time.Now()) } func main() { s := gocron.NewScheduler() s.Every(1).Seconds().Do(task) s.Every(4).Seconds().Do(superWang) sc := s.Start() // keep the channel go test(s, sc) // wait <-sc // it will happens if the channel is closed } func test(s *gocron.Scheduler, sc chan bool) { time.Sleep(8 * time.Second) s.Remove(task) //remove task time.Sleep(8 * time.Second) s.Clear() fmt.Println("All task removed") close(sc) // close the channel } ~~~