在线考试系统倒计时方法

在线考试系统倒计时方法 private void tmrSend_Tick(object sender, EventArgs e) { int second = int.Parse(lblSecond.Text.Trim()); int minute = int.Parse(lblMinute.Text.Trim()); if (second > 0) { second--; } else { second = 59; minute--; if (minute < 10) { lblMinute.Text = "0" + minute.ToString(); } else { lblMinute.Text = minute.ToString(); } } if (second < 10) { lblSecond.Text = "0" + second.ToString(); } else { lblSecond.Text = second.ToString(); } if (minute == 0 && second == 0) { tmrClock.Enabled = false; MessageBox.Show("时间到～","提示"); tmrClock.Enabled = false; btnBegin.Text = "开始(&B)"; return; } private void timer1_Tick(object sender, EventArgs e) { int time = 60; int i = 59; if (time >= 0 && i >= 0) { time--; fen.Text = i.ToString(); if (time >= 10) { miao.Text = time.ToString(); } else if (time < 10 && time >= 0) { miao.Text = "0" + time.ToString(); } else { i--; time = 60; } } }