as3读取xml文件

root.xml:

<?xml version="1.0" encoding="UTF-8"?>
<root>
   <Sysm>
 	<userStatus label="0" data="正常" scope="user"/>
 	<userStatus label="1" data="过期" scope="user"/>
 	<userStatus label="2" data="删除" scope="user"/>
 	<userStatus label="3" data="禁用" scope="user"/>
    </Sysm>
 </root>

 as3:

//从root.xml中读取status,a是参数，用来选择性查询xml
public static  function readStatus(a:String):ArrayCollection{
                var xml:XML;
                var xmlList:XMLList;
	var xmlLoader:URLLoader = new URLLoader();
				
	var arr:ArrayCollection = new ArrayCollection();
	xmlLoader.load(new URLRequest("pb/utils/root.xml"));
				
	xmlLoader.addEventListener(Event.COMPLETE, xmlLoaded);
				
	function xmlLoaded(event:Event):void
	{
	        xml = XML(event.target.data);
	        //选择scope属性
	     xmlList = xml..userStatus.(@scope==a);
	        //trace(xmlList[0].@label);
	       for(var i:int = 0; i < xmlList.length(); i++)
	      { 
     	      //把xmlList转化为object类型
		var o:Object = new Object();
		o.label = xmlList[i].@label;
		o.data = xmlList[i].@data; 
		arr.addItemAt(o,i);		    	
						
	      }    
	}
	return arr;
            }