筛子

　　　掷骰子游戏，要求具有如下的功能：

单击“开始”按钮时，左边的骰子开始滚动。

单击“停止”按钮时，左边的骰子停止滚动，骰子显示出点数，点数用标签显示出来。（图1为骰子滚动完成的效果图）-Sieve dice games, the request has the following features: Click " Start"　button, the left side of the dice start rolling. Click " Stop"　button on the left of the dice stop rolling the dice shows the points, and points to the label appears. (Figure 1 rolling the dice to complete the image)