利用JQUERY的ZTREE基础JS架构进行的二次服务端控件的开发和封装。适合于一般的小型项目。可以在VS设计器里直接调用类似MS自带的控件-The ZTREE use JQUERY JS architecture based secondary server controls the development and packaging. Suitable for general small-scale projects. You can directly call the VS designe