ztree.expandNode(ztree.getNodeByParam("id",treeId,null));//展開指定節點
ztree.selectNode(ztree.getNodeByParam("id",treeId,null));//選中指定節點
ztree.setting.callback.onClick(null, ztree.setting.treeId, ztree.getNodeByParam("id",treeId,null));//觸發函數
http://blog.csdn.net/wzk2015/article/details/18652645
https://code.google.com/p/jquerytree/issues/detail?id=7
// onClick中的參數請參考ztree API $.fn.zTree.getZTreeObj("treeElId").setting.callback.onClick();