ticker1 := time.newticker(3 * time.second)     ticker2 := time.newticker(3 * time.second)     fmt.println("当前时间为:", time.now())     go func() {         for {             select {             case <-ticker1.c:                 t := <-ticker1.c                 fmt.println("当前时间为=1=:", t)             }         }     }()     go func() {         for {             t := <-ticker2.c             fmt.println("当前时间为=2=:", t)         }     }()

case t := <-ticker1.C: // 直接这里读取