Mp3音乐加载

import flash.events.Event;
import flash.media.Sound;
import flash.net.URLRequest;

var s:Sound = new Sound();
s.addEventListener(Event.COMPLETE, onSoundLoaded);
var req:URLRequest = new URLRequest("陈升-把悲伤留给自己.mp3");
s.load(req);

function onSoundLoaded(event:Event):void
{
var localSound:Sound = event.target as Sound;
localSound.play();
}