效果如下：
html code:
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=640"/>
<title>转盘抽奖(大转盘（指针转）)</title>
<style>
body{background:url(images/bg.png) 0 0 repeat;}
.rotate-con-pan{
background:url(images/disk.jpg) no-repeat 0 0;background-size:100% 100%;
position:relative;
width:480px;
height:480px;
box-sizing:border-box;
-moz-box-sizing:border-box;
-webkit-box-sizing:border-box;
margin:0 auto
}
.rotate-con-zhen{
width:112px;
height:224px;
background:url(images/start.png) no-repeat 0 0;
background-size:100% 100%;
cursor:pointer;
position:absolute;
left:180px;
top:140px;
}
</style>
</head>
<body>
<div class="rotate-con-pan">
<div class="rotate-con-zhen"></div>
</div>
</body>
</html>
<script src="js/jquery-1.8.0.min.js"></script>
<script src="js/jQueryRotate.2.2.js"></script>
<script src="js/script.js"></script>
<script>
$(function(){
$(".rotate-con-zhen").rotate({
bind:{
click:function(){
var a = runzp();
$(this).rotate({
duration:3000, //转动时间
angle: 0, //起始角度
animateTo:1440+a.angle, //结束的角度
easing: $.easing.easeOutSine,//动画效果，需加载jquery.easing.min.js
callback: function(){
alert(a.prize+a.message);//简单的弹出获奖信息
}
});
}
}
});
});
</script>