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imagesFilter:FileFilter = new FileFilter("Images", "*.jpg;*.gif;*.png");//ͼƬ¹ýÂË
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package
{
//ҪʵÏÖÉÏ´«Ò»ÕÅͼƬµÄ¹¦ÄÜ
import flash.display.Sprite;
import flash.events.*;
import flash.net.*;
import flash.display.SimpleButton;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Loader;
public class Main extends Sprite
{
private var file:FileReference;
private var loader:Loader;
private var imagesFilter:FileFilter = new FileFilter("Images", "*.jpg;*.gif;*.png");//ͼƬ¹ýÂË
public function Main()
{
Btn_add.addEventListener(MouseEvent.CLICK,onClick);//°´Å¥Ìí¼Ó
}

private function onClick(event:MouseEvent):void
{
upLoadImage();
}
//ÉÏ´«Í¼Æ¬
private function upLoadImage():void
{
file=new FileReference();
file.addEventListener(Event.SELECT,selectHandler);
file.addEventListener(IOErrorEvent.IO_ERROR,ioErrorHandler);
file.browse([imagesFilter]);
}
private function ioErrorHandler(event:IOErrorEvent):void
{
throw new Error("ÉÏ´«Ê§°Ü");
}

private function selectHandler(event:Event):void
{
file.addEventListener(Event.COMPLETE,loadcompleteHandler);//¼ÓÔØÍê±Ï
file.load();
}

private function loadcompleteHandler(event:Event):void
{
loader=new Loader();//½øÐмÓÔØ
loader.contentLoaderInfo.addEventListener(Event.COMPLETE,imgLoadComplete);//¼à²âͼ