package
{
import flash.display.Bitmap;
import flash.display.Loader;
import flash.display.Sprite;
import flash.events.Event;
import flash.net.URLLoader;
import flash.net.URLLoaderDataFormat;
import flash.net.URLRequest;
import flash.utils.ByteArray;
public class UrlImage extends Sprite
{
private var urlLoader:URLLoader;
private var l:Loader;
public function UrlImage()
{
super();
if(stage)
{
init();
}
else
{
this.addEventListener(Event.ADDED_TO_STAGE,init);
}
}
private function init(e:Event=null):void
{
urlLoader=new URLLoader();
urlLoader.dataFormat=URLLoaderDataFormat.BINARY;
urlLoader.addEventListener(Event.COMPLETE,onImageLoaded);
urlLoader.load(new URLRequest("screen.png"));
}
private function onImageLoaded(event:Event):void
{
// TODO Auto-generated method stub
trace(event.target.data is ByteArray)
var ba:ByteArray=event.target.data as ByteArray;
l=new Loader();
l.contentLoaderInfo.addEventListener(Event.COMPLETE,onImage2Loaded);
l.loadBytes(ba);
urlLoader.removeEventListener(Event.COMPLETE,onImageLoaded);
urlLoader=null;
}
protected function onImage2Loaded(event:Event):void
{
// TODO Auto-generated method stub
var bitmap:Bitmap=event.target.content as Bitmap;
addChild(bitmap);
l.contentLoaderInfo.removeEventListener(Event.COMPLETE,onImage2Loaded);
l=null;
}
}
}
as下输出true
js下输出false
