sampleloadxml.as

《Flash AS3殿堂之路》光盘源码 学习ActionScript 3.0

package org.kingda.book.net
{
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.net.URLLoader;
    import flash.net.URLLoaderDataFormat;
    import flash.net.URLRequest;
    import flash.text.TextField;
	
	public class SampleLoadXML extends Sprite
	{
		private var title_txt:TextField;
		public function SampleLoadXML() {
			//测试网络
			//var targetURL:String = "http://feeds.feedburner.com/Kingda";
			var targetURL:String = "http://www.actionscript3.cn/index.xml";
			//测试本地
			//var targetURL:String = "fla/sample.xml";
			
			var request:URLRequest = new URLRequest(targetURL);
            var variables:URLLoader = new URLLoader();
            //variables.dataFormat = URLLoaderDataFormat.TEXT;
            variables.addEventListener(Event.COMPLETE, completeHandler);
            try
            {
            	 trace ("loading...");
                variables.load(request);
            } 
            catch (error:Error)
            {
                trace("Unable to load URL: " + error);
            }
            //生成一个文本框，用来放置读取的标题
            title_txt = new TextField();
            title_txt.autoSize = "left";
            addChild(title_txt);            
        }
        private function completeHandler(event:Event):void
        {
            //var loader:URLLoader = event.target as URLLoader;
            trace(event.target.data is String);
            var resultXML:XML = new XML(event.target.data);
            var titleList:XMLList = resultXML.channel.item.title;
            for each(var title:XML in titleList) {
            	title_txt.appendText("*" + title + "\n");
            }            
        }
	}
}