//定时器定时刷新时间(记得开启定时器) private void timerclock_Tick(object sender, EventArgs e) { timerclock.Interval = 1000; //1000代表1秒 //这里用的label框体 time1.Text = DateTime.Now.ToString("HH:mm:ss"); time2.Text = DateTime.Now.ToString("yyyy/MM/dd"); }
DateTime.Now.ToString(“yyyy-MM-dd HH:mm:ss.fff”)