wzhscript/wsms — pull request #2 by lianliangwu (2014-12-15 10:50:52+00:00)
Title: Branch2

Implement the models tree :

Detail description:
1: add 2 models to mongoDB: treeNode && treeNodeMap
2: use the async.js plugin to control asynchronous workflow
3: use the ztree.js tree plugin

Pay attention:
1: maybe need "npm install async". but i am not sure
2: at 1st time, need to insert the default tree root node to the mongoDB treeNode table: show as follows
{ "id" : "1", "pId" : "0", "name" : "3D模型根节点", "open" : true}