IT妖怪

由 Jack 撰写 　http://blog.ityao.com/archives/761

(仅限FlashPlayer10+)

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
			   xmlns:s="library://ns.adobe.com/flex/spark"
			   xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"
			    creationComplete="application1_creationCompleteHandler(event)">

	<fx:Script>
		<![CDATA[
			import mx.events.FlexEvent;
			private var file:FileReference;
			private var loader:Loader;
			protected function button1_clickHandler(event:MouseEvent):void
			{
				file = new FileReference();
				file.addEventListener(Event.SELECT,file_selectHandler);
				file.browse ([new FileFilter("Images(*.jpg;*.jpeg;*.png;*.gif)","*.jpg;*.jpeg;*.png;*.gif")]);
			}

			protected function file_selectHandler(event:Event):void{
				file.removeEventListener(Event.SELECT,file_selectHandler);
				file.addEventListener(Event.COMPLETE,file_completeHandler);
				file.load();
			}

			protected function file_completeHandler(event:Event):void{
				file.removeEventListener(Event.COMPLETE,file_completeHandler);
				loader.loadBytes(file.data);
			}
			protected function loaderCompleteHandler(event:Event):void{
				var $bmd:BitmapData = new BitmapData(loader.width,loader.height,true,0x00FFFFFF);
				$bmd.draw(loader.content);
				this.preview.source = $bmd;
				this.preview.width = 40;
				this.preview.height = 40;
			}

			protected function application1_creationCompleteHandler(event:FlexEvent):void
			{
				loader = new Loader();
				loader.contentLoaderInfo.addEventListener(Event.COMPLETE,loaderCompleteHandler);
				this.swf.addChild(loader);
			}

		]]>
	</fx:Script>
	<s:layout>
		<s:VerticalLayout/>
	</s:layout>
	<s:Button click="button1_clickHandler(event)" label="Select Image"/>
	<s:HGroup>
		<s:BitmapImage id="preview"/>
		<mx:SWFLoader id="swf"/>
	</s:HGroup>
</s:Application>