效果图如下(点击对应的按键会有不同的声音):

素材准备:

按键音效:

背景图片:

代码实现:

钢琴

*{margin:0px;padding:0px;list-style:none;}

#all{width:800px;height:300px;border:solid 0px #333;margin:100px auto;position:relative;}

body{background:url(bg_4.jpg);}

li{width:5%;height:100%;background:#fff;float:left;border-right:solid 2px black;border-radius:0px 0px 10px 10px;text-align:center;line-height:35em;}

.black{width:4%;height:60%;background:#111;border-radius:0px 0px 10px 10px;left:10px;top:0px;position:absolute;}

• C3
• D3
• F3
• G3
• A3
• B3
• C4
• D4
• E4
• F4
• G4
• A4
• B4
• C5
• D5
• E5
• F5
• G5
• A5

//鼠标按下事件

$('li').mousedown(function(){

//拼接路径

var src = "./music/"+$(this).html().toLowerCase()+'.wav.mp3';

//创建媒体对象

var audio = new Audio(src);

//调用play方法

audio.play();

// 改变当前按键的颜色

$(this).css('background','-moz-linear-gradient(top,#eee,#222)');

})

//鼠标抬起事件

$('li').mouseup(function(){

//回复键盘的颜色

$(this).css('background','white');

})

//mouseover mouseout

$('li').hover(function(){

$(this).css('cursor','pointer');

},function(){

$(this).css('cursor','default')

})

//键盘按下事件

$(window).keypress(function(e){

//获取当前的按键

var k = e.key.toLowerCase();

//针对按键进行不同的操作

switch(k){

case "q":

$('li:contains(C3)').mousedown();

break;

case "w":

$('li:contains(D3)').mousedown();

break;

case "e":

$('li:contains(F3)').mousedown();

break;

case "r":

$('li:contains(G3)').mousedown();

break;

case "t":

$('li:contains(A3)').mousedown();

break;

case "y":

$('li:contains(B3)').mousedown();

break;

case "u":

$('li:contains(C4)').mousedown();

break;

case "i":

$('li:contains(D4)').mousedown();

break;

case "o":

$('li:contains(E4)').mousedown();

break;

case "p":

$('li:contains(F4)').mousedown();

break;

case "[":

$('li:contains(G4)').mousedown();

break;

case "]":

$('li:contains(A4)').mousedown();

break;

case "\\":

$('li:contains(B4)').mousedown();

break;

case "pageup":

$('li:contains(C5)').mousedown();

break;

case "pagedown":

$('li:contains(D5)').mousedown();

break;

case "end":

$('li:contains(E5)').mousedown();

break;

default:

return false;

}

return false;

})

$(window).keyup(function(){

$('li').not('.black').css('background','white');

})

附上一首曲子:会弹钢琴的试试效果吧