(function()
{
	var Sprite       = Laya.Sprite;
	var Stage        = Laya.Stage;
	var Text         = Laya.Text;
	var Event        = Laya.Event;
	var SoundManager = Laya.SoundManager;
	var Browser      = Laya.Browser;
	var Handler      = Laya.Handler;
	var WebGL        = Laya.WebGL;
	//声明一个信息文本
	var txtInfo;

	(function()
	{
		// 不支持WebGL时自动切换至Canvas
		Laya.init(Browser.clientWidth, Browser.clientHeight, WebGL);

		Laya.stage.alignV = Stage.ALIGN_MIDDLE;
		Laya.stage.alignH = Stage.ALIGN_CENTER;

		Laya.stage.scaleMode = "showall";
		Laya.stage.bgColor = "#232628";

		setup();
	})();

	function setup()
	{
		var gap = 10;
		//创建一个Sprite充当音效播放按钮
		var soundButton = createButton("播放音效");
		soundButton.x = (Laya.stage.width - soundButton.width * 2 + gap) / 2;
		soundButton.y = (Laya.stage.height - soundButton.height) / 2;
		Laya.stage.addChild(soundButton);
		//创建一个Sprite充当音乐播放按钮
		var musicButton = createButton("播放音乐");
		musicButton.x = soundButton.x + gap + soundButton.width;
		musicButton.y = soundButton.y;
		Laya.stage.addChild(musicButton);

		soundButton.on(Event.CLICK, this, onPlaySound);
		musicButton.on(Event.CLICK, this, onPlayMusic);
	}

	function createButton(label)
	{
		var w = 110;
		var h = 40;

		var button = new Sprite();
		button.size(w, h);
		button.graphics.drawRect(0, 0, w, h, "#FF7F50");
		button.graphics.fillText(label, w / 2, 8, "25px SimHei", "#FFFFFF", "center");
		Laya.stage.addChild(button);
		return button;
	}

	function onPlayMusic(e)
	{
		console.log("播放音乐");
		SoundManager.playMusic("../../res/sounds/bgm.mp3", 1, new Handler(this, onComplete));
	}

	function onPlaySound(e)
	{
		console.log("播放音效");
		SoundManager.playSound("../../res/sounds/btn.mp3", 1, new Handler(this, onComplete));
	}

	function onComplete()
	{
		console.log("播放完成");
	}
})();
在res目录下建了文件夹叫sounds，里面放了一个bgm.mp3