任务过期时间 ============== 目前只支持在client端设置过期时间,若任务发生重试且重试开始的时间超过了过期时间,任务会直接终止 .. code:: go taskId, err :=client.SetTaskCtl(client.ExpireTime,time.Now().Add(4*time.Second)).Send("group1","add",12,33) result, _ := client.GetResult(taskId, 2*time.Second, 300*time.Millisecond) if result.Status == message.ResultStatus.Expired{ // do ... }