Flex之URLLoader加载XML

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
    layout="absolute"
    creationComplete="initApp()">

 <mx:Script>
  <![CDATA[
   import mx.collections.ArrayCollection;
   import mx.rpc.events.ResultEvent;
   public var loader:URLLoader=new URLLoader();
   public var menus:XML=new XML();

   [Bindable]
   public function completeHandle(e:Event):void
   {
    menus=XML(loader.data);
    var results:XMLList=menus.node;
    tree.dataProvider=results;
    var i:int;
    for(i=0;i<menus.child("node").child("node").length();i++){
     trace(menus.child("node").child("node")[i].attribute("label")+":"+menus.child("node").child("node")[i].attribute("data"));
    }
   }

   public function initApp():void
   {
    var request:URLRequest=new URLRequest("RIA.xml");
    loader.load(request);
    loader.addEventListener(Event.COMPLETE, completeHandle);
   }
  ]]>
 </mx:Script>
 <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>

 

 

RIA.xml

 

 

<?xml version="1.0" encoding="utf-8"?>
<menus>
 <node label="商店一">
  <node label="摄相头一" data="shop1-1" />
  <node label="摄相头二" data="shop1-2" />
  <node label="摄相头三" data="shop1-3" />
  <node label="摄相头四" data="shop1-4" />
 </node>
 <node label="商店二">
  <node label="摄相头一" data="shop2-1" />
  <node label="摄相头二" data="shop2-2" />
  <node label="摄相头三" data="shop2-3" />
  <node label="摄相头四" data="shop2-4" />
 </node>
 <node label="商店三">
  <node label="摄相头一" data="shop3-1" />
  <node label="摄相头二" data="shop3-2" />
  <node label="摄相头三" data="shop3-3" />
  <node label="摄相头四" data="shop3-4" />
 </node>
</menus>