Flex读取XML文件中的数据

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<rankingListXml date="201207_4">
	<list cardNum="497937746">
		<sumMoney>395</sumMoney>
	</list>
	<list cardNum="498050834">
		<sumMoney>196</sumMoney>
	</list>
	<list cardNum="2953446142">
		<sumMoney>177</sumMoney>
	</list>
	<list cardNum="1489758864">
		<sumMoney>167</sumMoney>
	</list>
	<list cardNum="1491928736">
		<sumMoney>150</sumMoney>
	</list>
	<list cardNum="3434489310">
		<sumMoney>125</sumMoney>
	</list>
	<list cardNum="3847588619">
		<sumMoney>102</sumMoney>
	</list>
	<list cardNum="498174226">
		<sumMoney>100</sumMoney>
	</list>
	<list cardNum="1489775680">
		<sumMoney>100</sumMoney>
	</list>
	<list cardNum="1520073648">
		<sumMoney>100</sumMoney>
	</list>
</rankingListXml>

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
				backgroundColor="#FFFFFF" creationComplete="init()" layout="absolute">
	<mx:Script>
		<![CDATA[
			import mx.collections.ArrayCollection;
			import mx.rpc.events.ResultEvent;
			import mx.rpc.http.HTTPService;
			
			public const xmlUrl:String = "RankingSystem_201207_4.xml";
			[Bindable] private var rankingListXml1:ArrayCollection;
			[Bindable] private var rankingListXml2:XML;
			
			private function init():void{
				//方法一：通过HTTPService
				var service:HTTPService = new HTTPService();
				service.url = xmlUrl;
				service.addEventListener(ResultEvent.RESULT, resultHandler);
				service.send();
				
				//方法二：通过URLLoader
				var request:URLRequest = new URLRequest(xmlUrl);
				var loader:URLLoader = new URLLoader(request);
				loader.addEventListener(Event.COMPLETE, loaderCompleteHandler);
			}
			
			private function resultHandler(event:ResultEvent):void{
				rankingListXml1 = event.result.rankingListXml.list;
			}
			
			private function loaderCompleteHandler(event:Event):void{
				rankingListXml2 = new XML(event.target.data);
			}
		]]>
	</mx:Script>
	<mx:List x="4" y="6" width="100" height="140" dataProvider="{rankingListXml1}"
			 labelField="cardNum"/>
	<mx:List x="112" y="6" width="100" height="140" dataProvider="{rankingListXml1}"
			 labelField="sumMoney"/>
	<mx:List x="4" y="154" width="100" height="140" dataProvider="{rankingListXml2.list}"
			 labelField="@cardNum"/>
	<mx:List x="112" y="154" width="100" height="140" dataProvider="{rankingListXml2.list.sumMoney}"/>
	<mx:DataGrid x="220" y="195" dataProvider="{rankingListXml1}">
		<mx:columns>
			<mx:DataGridColumn dataField="cardNum" headerText="卡号"/>
			<mx:DataGridColumn dataField="sumMoney" headerText="金额"/>
		</mx:columns>
	</mx:DataGrid>
	<mx:DataGrid x="220" y="10" dataProvider="{rankingListXml2.list}">
		<mx:columns>
			<mx:DataGridColumn dataField="@cardNum" headerText="卡号"/>
			<mx:DataGridColumn dataField="sumMoney" headerText="金额"/>
		</mx:columns>
	</mx:DataGrid>
</mx:Application>