本例制作烟花,执行本例实例后，用鼠标点击浏览器中的面板，将出现五彩缤纷的烟花效果。本实例的知识点有：鼠标事件的监听，Graphics类和Thread类的应用。-In this case the production of fireworks, after the example of the implementation of this case, use the mouse to click the browser