两种好用的方式获取远程xml数据

<mx:Script><![CDATA[          import flash.net.navigateToURL;                  private var downloadURL:URLRequest;            private var file:FileReference;        import flash.net.URLStream;          import mx.controls.Alert;      import mx.collections.ArrayCollection;               import mx.rpc.events.ResultEvent;               import mx.utils.ObjectProxy;            private var DownLoadfile:FileReference; //这是要主要的地方   [Bindable]             private var list:ArrayCollection=new ArrayCollection();              [Bindable]             private var list2:ArrayCollection=new ArrayCollection();            [Bindable]     public var i:int = 0;                                  private function xmlHandle(evt:ResultEvent):void                             {                                                   //    good2.text = list[3].name+"@@@@@@";   //ok                                                       list=evt.result.files.file;  //结果集存到list中，下面调用                             }//                                 function display(event:Event):void{ //good5.text= String(service.lastResult);}private function init():void{service.send();var url:URLRequest=new URLRequest("http://172.20.32.60:8080/new/tt");         var loader:URLLoader=new URLLoader();          loader.addEventListener(Event.COMPLETE, handleURLLoaderCompleted);          loader.load(url);      }    private function handleURLLoaderCompleted(event:Event):void {      var loader:URLLoader = event.target as URLLoader;       var xml:XML = XML(loader.data);       // good7.text=xml.file[2].name+"^^^^^^^^^^@@@";    //ok      //xml中调用  }    private function readFiles(urlAdd:String):void{//   //  navigateToURL(new URLRequest("http://172.20.32.60:8080/new/download?url="+urlAdd), "_blank");            text1.text=file.toString()+"*******";        }  private function downLoadZip():void{   downloadURL = new URLRequest("http://172.20.32.60:8080/new/download?url=zip");             file = new FileReference();             configureListeners(file);             file.download(downloadURL,"log.zip");   }            private function downLoadFiles(urlAdd:String):void{              downloadURL = new URLRequest("http://172.20.32.60:8080/new/download?url="+urlAdd);             file = new FileReference();             configureListeners(file);             file.download(downloadURL,urlAdd);     }            private function configureListeners(dispatcher:IEventDispatcher):void {        dispatcher.addEventListener(Event.COMPLETE, completeHandler);    }        private function completeHandler(event:Event):void {    mx.controls.Alert.show("文件下载成功");    }           ]]></mx:Script><mx:HTTPService id="service" url="http://172.20.32.60:8080/new/tt" result="xmlHandle(event)"  />