本代码制作烟花。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。-The code produced fireworks. Examples of the implementation of the present cases, the use of mouse clicks in the browser panel, there will be the effect of colorful fire

SVG 意为可缩放矢量图形（Scalable Vector Graphics）。 SVG 使用 XML 格式定义图像。 压缩包内是SVG的实例和一些具体的应用-SVG means Scalable Vector Graphics (Scalable Vector Graphics). SVG uses XML format definition images. SVG is an instance of the compressed package and some specific a