计时器小程序——秒表计时器，程序界面简洁，只有一个时间显示区域和两个图片按钮，一个按钮是开始/暂停，另一个按钮是停止-Timer applet- stopwatch timer program interface is simple, there is only one time display area and two pictures button, a button to start/pause, another button to stop