Simple tree Packages

a simple tree || A simple, jquery-based tree display plug-in that supports asynchronous presentation of child nodes, has less complex functionality, and returns to simple configuration and operations || 一个操作简单的基于jquery写的树展示插件,支持异步展示子节点,没有那么多复杂功能，回归简单的配置及操

A simple tree view material which is helpful to draw structural view with dynamic defined data sets.