ProgressBar进度条

根据上善若水修改的
http://cloud21.iteye.com/blog/605881

作为flex4的进度条例子

<?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">
	<s:layout>
		<s:BasicLayout/>
	</s:layout>

	<fx:Script>
		<![CDATA[
			private var timer:Timer;
			
			private function init():void
			{
				timer=new Timer(10);
				timer.addEventListener(TimerEvent.TIMER,timer_timer);
			}
			
			private function timer_timer(evt:TimerEvent):void
			{
				progressBar.setProgress(progressBar.value+1,100);
			}
			protected function play(event:MouseEvent):void
			{
				timer.start();
			}
			private function resetProgressBar():void
			{
				progressBar.setProgress(0,100);
				progressBar.scaleX=1.0;
				progressBar.alpha=1.0;
			}
			protected function stop(event:MouseEvent):void
			{
				resetProgressBar();
				timer.stop();
			}

		]]>
	</fx:Script>

	<fx:Declarations>
		<!-- 将非可视元素（例如服务、值对象）放在此处 -->
		<s:Parallel id="progressBar_completeEffect">
			<s:Fade alphaTo="0.0" />
			<mx:Zoom zoomHeightFrom="0" />
		</s:Parallel>
	</fx:Declarations>
	<mx:ProgressBar id="progressBar" completeEffect="{progressBar_completeEffect}" creationComplete="init()" x="148" y="152" width="509" maximum="100" minimum="0" mode="manual"/>
	<s:Button x="146" y="37" label="播放" click="play(event)"/>
	<s:Button x="234" y="37" label="停止" click="stop(event)"/>
</s:Application>