请问下这段代码有什么问题。。。
<?xml version="1.0" encoding="utf-8"?>
<s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx"
creationComplete="windowedapplication1_creationCompleteHandler(event)">
<fx:Declarations>
<!-- 将非可视元素(例如服务、值对象)放在此处 -->
</fx:Declarations>
<fx:Script>
<![CDATA[
import jj.editor.EditableSprite;
import mx.core.UIComponent;
import mx.events.FlexEvent;
public var ee : EditableSprite;
private var pictLdr : Loader;
protected function windowedapplication1_creationCompleteHandler(event:FlexEvent):void
{
// TODO Auto-generated method stubpictLdrv
pictLdr = new Loader;
configureListeners(pictLdr);
var lc:LoaderContext = new LoaderContext(true);
var urlReq : URLRequest = new URLRequest("assets/listItem_over.png");
pictLdr.load( urlReq, lc );
}
private function configureListeners(dispatcher:IEventDispatcher):void {
dispatcher.addEventListener(Event.COMPLETE, completeHandler);
dispatcher.addEventListener(HTTPStatusEvent.HTTP_STATUS, httpStatusHandler);
dispatcher.addEventListener(Event.INIT, initHandler);
dispatcher.addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler);
dispatcher.addEventListener(Event.OPEN, openHandler);
dispatcher.addEventListener(ProgressEvent.PROGRESS, progressHandler);
dispatcher.addEventListener(Event.UNLOAD, unLoadHandler);
}
private function completeHandler(event:Event):void {
trace("completeHandler: " + event);
}
private function httpStatusHandler(event:HTTPStatusEvent):void {
trace("httpStatusHandler: " + event);
}
private function initHandler(event:Event):void {
trace("initHandler: " + event);
}
private function ioErrorHandler(event:IOErrorEvent):void {
trace("ioErrorHandler: " + event);
}
private function openHandler(event:Event):void {
trace("openHandler: " + event);
}
private function progressHandler(event:ProgressEvent):void {
trace("progressHandler: bytesLoaded=" + event.bytesLoaded + " bytesTotal=" + event.bytesTotal);
}
private function unLoadHandler(event:Event):void {
trace("unLoadHandler: " + event);
}
// private function clickHandler(event:MouseEvent):void {
// trace("clickHandler: " + event);
// var loader:Loader = Loader(event.target);
// loader.unload();
// }
]]>
</fx:Script>
<s:Group id="mainGroup" width="200" height="100">
<!--<mx:Image source="assets/listItem_over.png" />-->
</s:Group>
</s:WindowedApplication>
运行以后一个trace都不出。。要是有个error还能看看为虾米呢。。