http://www.s u c h s o.com/projecteactual/ztree-jiaocheng-mvc-checkbox-quanxuan-demo-down.html
http://www.cnblogs.com/lori/p/3154139.html
http://www.cnblogs.com/zery/p/3339963.html
http://www.cnblogs.com/-10086/archive/2012/09/13/2683586.html
http://www.cnblogs.com/lori/p/3154139.html