获取 xml 文件内的数据

package
{
	import flash.display.Loader;
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.events.IOErrorEvent;
	import flash.net.URLLoader;
	import flash.net.URLRequest;
	
	public class imagesTest_1 extends Sprite
	{

		private var xmlUrl:String = "imgXml/images.xml";
		private var xmlList:XMLList;
		private var urlArr:Array = [];
		public function imagesTest_1()
		{
			init();
		}
		
		private function init():void
		{
			var urlLoad:URLLoader = new URLLoader();
			urlLoad.addEventListener(Event.COMPLETE,toComplete);
			urlLoad.addEventListener(IOErrorEvent.IO_ERROR,toError);
			urlLoad.load( new URLRequest( xmlUrl ));
		}
		
		private function toError(event:IOErrorEvent):void
		{
			trace("loading image Error !");
		}
		
		private function toComplete(event:Event):void
		{
			trace("loading image success !");
			var xml:XML = new XML();
			xml = new XML(event.currentTarget.data);
			xmlList = xml.img;
			var len:int = xmlList.length();
			for (var i:int = 0; i < len; i++) 
			{
				var url:String = xmlList[i].@url;
				
				var loader:Loader = new Loader();
				loader.load(new URLRequest( "image/" + url ));
				this.addChild( loader );
				loader.y = 50 * i;
			}
		}
	}
}