Flex Tree赋值

musicList.xml

?

<?xml version="1.0" encoding="utf-8"?>
<musicList>

   <root label="音乐地区分类">
	        <root label="内地音乐" id="depart"></root>
	        <root label="港台音乐" id="user"></root>
	        <root label="韩国音乐" id="perm"></root>
	        <root label="欧美音乐" id="role"></root>
   
   </root>
 
   <root label="音乐类型分类">
			<root label="流行音乐" id="getService"></root>
		  <root label="古典音乐" id="serviceMonitor"></root>
			<root label="摇滚音乐" id="serverInspect"></root>
  	  
   </root>
   <root label="音乐心情分类">
           <root label="快乐" id="VisitLog"></root>
           <root label="激情" id="SafeLog"></root>
           <root label="寂静" id="MonitorLog"></root>
           <root label="浪漫" id="OnlineLog"></root> 
           <root label="悲伤" id="AlarmLog"></root>
            
   </root>
    
   
</musicList>

.mxml文件

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 
			   xmlns:s="library://ns.adobe.com/flex/spark" 
			   xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"
			    initialize="init()"
			   >
	
	<fx:Script>
		<![CDATA[
 
			import mx.collections.ArrayCollection;
			import mx.controls.Alert;
			import mx.rpc.events.FaultEvent;
			import mx.rpc.events.ResultEvent;
			import mx.rpc.http.HTTPService;
			[Bindable] public var xmlListColl:XMLList=new XMLList();
			[Bindable]public var userXmlListColl:ArrayCollection;
	 
	        function init(){
			
				getMenuList();
	        }	
			public function getMenuList():void
			{
				var configService:HTTPService = new HTTPService();
				configService.url = "musicList.xml";
				configService.resultFormat = "xml";	
				configService.addEventListener(ResultEvent.RESULT,configResult);
				configService.addEventListener(FaultEvent.FAULT,configFault);	
				configService.send();
			}
			private function configFault(event:mx.rpc.events.FaultEvent):void
			{
				Alert.show("加载菜单树异常");
			}
			
			
			private function configResult(event:ResultEvent):void
			{
				try
				{	
					var configXML:XML = new XML(event.result.toString());
				 
				 
					departTree.dataProvider=configXML;
					
					
					//	beginAlarm();
					
				}catch(error:Error){
					
				}
			}
			 
			
		]]>
	</fx:Script>

	
	<fx:Declarations>
		<!-- 将非可视元素（例如服务、值对象）放在此处 -->
	</fx:Declarations>
	<mx:Tree x="9" y="8" 
	
			 horizontalScrollPolicy="on" width="180" height="100%" id="departTree" 
			 labelField="@label"  useRollOver="true"   
			 textAlign="left" chromeColor="#F7F6F6" contentBackgroundColor="#F7F6F6"
			 rollOverColor="#DBDEDA" selectionColor="#BBEEFB" color="#000000"
			 showRoot="false"
			 
			 >
		
		
	</mx:Tree>
</s:Application>