学步园

package com.net<br /> {<br /> import flash.display.Loader;<br /> import flash.events.*;<br /> import flash.net.*;<br /> import flash.display.*;<br /> import com.net.PreloaderEvent;<br /> public class Preloader extends Sprite<br /> {<br /> private var loader:Loader;<br /> public function Preloader()<br /> {</p> <p> }<br /> public function load(path:String):void<br /> {<br /> loader=new Loader();<br /> loader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS,onProgress);<br /> loader.contentLoaderInfo.addEventListener(Event.COMPLETE,onComplete);<br /> loader.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR,ioError);<br /> loader.load(new URLRequest(path));<br /> }<br /> private function onProgress(event:ProgressEvent):void<br /> {<br /> var evt:PreloaderEvent=new PreloaderEvent(PreloaderEvent.MyPROGRESS);<br /> evt.Bytestotal=event.bytesTotal;<br /> evt.BytesLoaded=event.bytesLoaded;<br /> this.dispatchEvent(evt);<br /> }<br /> private function onComplete(event:Event):void<br /> {<br /> addChild(loader);<br /> this.dispatchEvent(new Event("PreloaderComplete"));<br /> }<br /> private function ioError(event:IOErrorEvent):void<br /> {<br /> this.dispatchEvent(new Event("IOERROR"));<br /> }<br /> }<br /> }

package com.net<br /> {<br /> import flash.events.*;</p> <p> public class PreloaderEvent extends ProgressEvent<br /> {<br /> public static const MyPROGRESS:String="myprogress";<br /> public var Bytestotal:uint;<br /> public var BytesLoaded:uint;<br /> public function PreloaderEvent(type:String, bubbles:Boolean = false, cancelable:Boolean = false, bytesLoaded:uint = 0, bytesTotal:uint = 0)<br /> {<br /> super(PreloaderEvent.MyPROGRESS);<br /> }<br /> }<br /> }

进行了一个简单的封装，现在可以进行加载。出现的问题还是很多。并不十分完美。还是需要进行改造。