golang的Timer定時器

//code_047_Timerprojectmain.gopackagemainimport("fmt""time")funcmain(){timer1:=time.NewTimer(time.Second*2)t1:=time.Now()fmt.Printf("t1:%v\n",t1)t2:=<-timer1.Cfmt.Printf("t2:%v\n",t2)//如果只是想單純的