js实现的树形菜单结构，用户jsp页面编程-js achieve the tree menu structure, users jsp pages Programming

主要是用Dtree.js做的一个树形结构，有利于大家都学习和共同进步。用到了数据库，主要有Student和Class两张表，通过Class可以动态的获得Student的信息-Dtree.js is mainly used to do a tree structure is conducive to all learning and common progress. Use a database, there are Student and Class 2 form, through the Cl

设置菜单为树形结构，且有新增、编辑、保存功能，完整代码。-The setup menu tree structure, and the Add, edit, save function, complete code.