Flex mp3²¥·Å

 <?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="myInit()">
 <mx:Script>
  <![CDATA[
  import flash.events.*;
  import flash.net.URLRequest;
  import flash.media.Sound;
  import flash.media.SoundChannel;
  import flash.media.SoundTransform;
  import flash.utils.Timer;
  import flash.events.TimerEvent;
  import mx.controls.Alert;
 
  //mp3 µÄ url µØÖ·
  private var soundURL:String = "asflex.mp3";
  //·ÃÎÊ url ÉϵĶ«Î÷¶¼Óà URLRequest ÁË
  private var request:URLRequest = new URLRequest(soundURL);
  private var my_sound:Sound=new Sound(); // н¨ Sound ¶ÔÏó
  //ÉùÃ÷ SoundChannel ÀàÐ͵ıäÁ¿ my_channel
  private var my_channel:SoundChannel;
  //н¨ myTimer ¶ÔÏ󲢶¨ÒåÑ­»·µÄʱ¼ä¼ä¸ôΪ10ºÁÃë,Ñ­»·´ÎÊýΪÎÞÏÞ´Î(²ÎÊýÖеÄ0±íʾÎÞÏÞ´Î)
  private var myTimer:Timer = new Timer(10, 0);
   
  private function myInit():void{
   my_sound.load(request); // ÔØÈëÍⲿ mp3: She is my sin.mp3
   }
  //²¥·ÅÒôÀÖ:
  private function playSound(): void{
   Alert.show(my_sound.length.toString());
   my_channel = my_sound.play(); // ÒôÀÖÕýʽ¿ªÊ¼²¥·Å
   //Ìí¼ÓʼþÕìÌýÆ÷, ¹¦ÄÜ: Ñ­»·Ö´ÐÐ timerHandler º¯Êý(µ«ÕâÀﻹûÓпªÊ¼Ñ­»·Ö´ÐÐ)
   myTimer.addEventListener(TimerEvent.TIMER, timerHandler);
   myTimer.start(); // ÕâÀï²Å¿ªÊ¼Ñ­»·Ö´ÐÐ timerHandler º¯Êý
  }
  //Í£Ö¹ÒôÀÖ:
  private function stopSound():void{
   //Í£Ö¹¶Ôº¯Êý timerHandler µÄÑ­»·Ö´ÐÐ, ÒòΪÒôÀÖ¿ªÊ¼Ê± myTimer ¶ÔÏó¾Í¶Ôº¯Êý timerHandler Ñ­»·Ö´ÐÐÁË
   myTimer.stop();
   my_channel.stop(); // ÕýʽֹͣÒôÀÖ
   progress_hs.value = 0; // ʹÄÇ"²¥·Å½ø¶È"ÌõµÄÖµ»Øµ½0,¼´»Øµ½×î×ó¶Ë
  }
  //¶¨Òå±» myTimer Ñ­»·Ö´Ðеĺ¯Êý timerHandler
  private