Flex tree空间 与xml

<?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">
	<s:layout>
		<s:BasicLayout/>
	</s:layout>
	<fx:Declarations>
		<!-- 将非可视元素（例如服务、值对象）放在此处 -->
	</fx:Declarations>
	
	
	
	<!--<XMLlist只能在<fx:Declarations>标签内声明-->
	<fx:Declarations>
		   <fx:XMLList id="myXML" xmlns="">
			   <friends>
			       <friends name="chenchaoyang"/>
				   <friends name="lijuan"/>
				   <friends name="ailingna"/>
			   </friends>
		   </fx:XMLList>
	</fx:Declarations>
	
	<!--就像使用ArrayCollection包装Array一样可以用一下方式使用>-->
	<fx:Declarations>
	  <mx:XMLListCollection id="myXMLListCollection">
		<fx:XMLList  id="myXMLList" xmlns="">
			 <friends label="Friends">
				 <friend label="supan"/>
			 </friends>
			<families label="Family">
				<family label="chinese"/>
			</families>
		</fx:XMLList>
	  </mx:XMLListCollection>
    </fx:Declarations>
	<!--注意：在数据可能发生变化的情况下，应该使用集合，因为这么做可以通知那些dataProvider属性与相应集合绑定的组件刷新其显示-->
	
	
	<!--调用tree组件，在有数据的情况下，调用tree组件非常简单-->
	<fx:Declarations>
		  <s:XMLListCollection id="supanXMLListCollection">
			  <fx:XMLList id="supanXMLList" xmlns="">
				 <frends label="Frends">
					 <frend label="supan"/>
					 <frend label="xijinping"/>
					 <frend label="hujintao"/>
					 <frend label="wenjiabao">
						 <hone label="home">beijign</hone>
					 </frend>
				 </frends>
				  <addresses label="地址">
					  <addrdss label="河南">
						  <addrdss label="郑州"/>
						  <addrdss label="平顶山">
							    <address label="汝州"/>
						  </addrdss>
						  <addrdss label="开封"/>
						  <addrdss label="洛阳"/>
						  <addrdss label="驻马店"/>
						  <addrdss label="南阳"/>
					  </addrdss>
					  <addrdss label="北京"/>
					  <addrdss label="上海"/>
					  <addrdss label="广州"/>
				  </addresses>
			  </fx:XMLList>
		  </s:XMLListCollection>
	</fx:Declarations>
	
	<mx:Tree dataProvider="{supanXMLListCollection}" x="50" y="200" labelField="@label" width="300" height="200"/>
</s:Application>