一个基于Java Graphic类的Applet示例程序，用于在网页上显示简单的网络拓扑图。

此工程详细地阐述了用WEB实现拓扑图，代码很详细哦,Detailed descr iption of this project to achieve topology using WEB, the code in great detail oh

mgraph-强大的web绘图组件，可绘制工作流、数据库ER图、网络拓扑图等，基于Javascr ipt/Java/.Net-mgraph-powerful web mapping components, can draw the workflow, database ER diagrams, network topology maps, etc., based on Javascr ipt/Java/.Net