<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="initCollrction();">
<mx:Panel x="73" y="10" width="503" height="293" layout="absolute"> <!--@label表示节点中的label值-->
<mx:MenuBar itemClick="menuevent(event)" x="0" y="0" width="483" height="36" dataProvider="{xmllistcollection}" labelField="@label"></mx:MenuBar>
<mx:TextArea x="0" y="35" width="483" height="218" id="txtall"/>
</mx:Panel>
<mx:Script>
<![CDATA[
import mx.controls.MenuBar;
import mx.controls.Alert;
import mx.events.MenuEvent;
import mx.collections.*;
[Bindable]
public var xmllistcollection:XMLListCollection;
private var xmllist:XMLList=
<>
<menuitem label="文件" data="file">
<menuitem label="打开" data="new"/>
<menuitem label="保存" data="save"/>
<menuitem type="separator"/>
<menuitem label="关闭" data="close"/>
</menuitem>
<menuitem label="编辑" data="edit">
<menuitem label="撤销" data="undo" type="check"/>
<menuitem label="重做" data="redo" type="check"/>
<menuitem type="separator"/>
<menuitem label="操作" data="command">
<menuitem label="剪贴" type="radio" data="cut" groupName="one"/>
<menuitem label="复制" type="radio" data="copy" groupName="one"/>
</menuitem>
</menuitem>
</>;
private function initCollrction():void{
xmllistcollection=new XMLListCollection(xmllist);
}
private function menuevent(event:MenuEvent):void{
txtall.text+=event.label+"-"+event.index+"\n";
}
]]>
</mx:Script>
</mx:Application> 
