treepanel动态加载数据实现代码_jquery

var tree = new Ext.tree.TreePanel({
region:'west',
title:'站点树：',
width:200,
minSize:150,
maxSize:200,
iconCls:'ux-auth-menu-header-icon',
split:true,
autoScroll:true,
autoHeight:false,
collapsible:true,
rootVisable:false, //不显示根节点
root:new Ext.tree.TreeNode({
id:'root',
text:'分所',
draggable:false,
expanded:true
}),
loader:new Ext.tree.TreeLoader({
dataUrl:'treeUtil.html?content.method=getAllMenuTreeNodes'
})
});
public void getAllMenuTreeNodes(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
String systemId = request.getParameter("node");
String haveCheckBox = request.getParameter("haveCheckBox");
IMenuManager menuManager = this.getPkgServer().getDriver().getSystemManageServer().getMenuManager();
List nodes = new ArrayList();
String parentNodeName =menuManager.getMenu(Long.parseLong(systemId)).getName() ;
List