jTopo（Javascr ipt Topology library)是一款完全基于HTML5 Canvas的关系、拓扑图形化界面开发工具包。 -jTopo (Javascr ipt Topology library) is a relationship based entirely on HTML5 Canvas, and topology graphical interface development kit.

基于JTopo的网络拓扑编辑器，挺好用的，不过不是我写的,我只是分享一下(JTopo based network topology editor, very good, but not I wrote, I just share it)