Flex2 Tree从XML文件中加载数据

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
fontFamily="simsun" fontSize="12"
layout="absolute" creationComplete="menu.send();" width="242" height="442">
<mx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
import mx.rpc.events.ResultEvent;
[Bindable]
private var menus:XML;
private function LoadMenu(event:ResultEvent):void{
menus = XML(event.result);
var results:XMLList = menus.node;
tree.dataProvider = results;
}
]]>
</mx:Script>
<mx:HTTPService url="TreeMenus.xml" id="menu" useProxy="false"
showBusyCursor="true" result="LoadMenu(event)" resultFormat="xml"/>

<mx:Tree id="tree" x="10" y="35" width="218" height="397" labelField="@label" />
<mx:Label x="10" y="10" text="Tree Nodes From XML File"/>
</mx:Application>

xml文件

<?xml version="1.0" encoding="utf-8"?>
<menus>
<node label="Mail">
<node label="Inbox"/>
<node label="Personal Folder">
<node label="Demo"/>
<node label="Personal"/>
<node label="Saved Mail"/>
<node label="bar"/>
</node>
<node label="Calendar"/>
<node label="Sent"/>
<node label="Trash"/>
</node>
</menus>