代码如下：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0"
<title></title>
<script type="text/javascript" src="js/jquery-1.8.2.js" ></script>
<script type="text/javascript">
var roll={
Msgs:["一等獎","二等獎","三等獎","四等獎","五等獎","六等獎","七等獎","八等獎"],
index:0,//当前位置索引
times:0,//次数
roundTimes:0,//圈数
timer:0,//循环器
speed:300,//转动速度
isActive:false,//游戏是否在运行
Init:function(){
///初始化
this.roundTimes=0;
this.isActive=true;
},
Start:function(cls,callback){
var that=this;
if(that.isActive==true)
{
alert('游戏正在进行!');
return;
}
if(that.times==4)
{
alert('只有四次机会');
return;
}
that.Init();
var interVal=setInterval(function(){
if(that.index==8)
{
that.index=0;
that.roundTimes++;
}
if(that.roundTimes==6)
{
that.index=parseInt(Math.random()*7) ;
$('li[class^='+cls+']').removeClass('active');
$('.'+cls+'-'+ that.index).addClass('active');
that.isActive=false;
clearInterval(that.timer);
if(Object.prototype.toString.call(callback)=='[object Function]')
{
callback.call(this,that.index,that.Msgs[that.index]);
}
}
else{
$('li[class^='+cls+']').removeClass('active');
$('.'+cls+'-'+ that.index).addClass('active');
that.index++;
}
},100);
that.timer=interVal;
that.times++;
}
}
$(function(){
$('#btnChouj').click(function(){
roll.Start('prize',function(index,msg){
setTimeout(function(){
alert(msg);
})
});
});
})
</script>
<style type="text/css">
html,body{
margin:0 auto;
padding: 0;
100%;
height: 100%;
}
#choujiangUL{
list-style: none;
position: absolute;
100%;
height: 50%;
}
#choujiangUL li{
float: left;
32%;
/* height: 33.33%;*/
text-align: center;
border: 1px solid #CCCCCC
/*background-color: deepskyblue;*/
/*border: 1px solid white;*/
}
#choujiangUL li img{
100px;
height: 100px;
}
.active{
background-color: #990000;
}
</style>
</head>
<body>
<ul id="choujiangUL">
<li class="prize-0 active">
<img src="img/choujiang/1.png" />
</li>
<li class="prize-1">
<img src="img/choujiang/2.png" />
</li>
<li class="prize-2">
<img src="img/choujiang/3.png" />
</li>
<li class="prize-7">
<img src="img/choujiang/4.png" />
</li>
<li id="btnChouj" >
<img src="img/choujiang/choujiang.png" />
</li>
<li class="prize-3">
<img src="img/choujiang/5.png" />
</li>
<li class="prize-6">
<img src="img/choujiang/6.png" />
</li>
<li class="prize-5">
<img src="img/choujiang/7.png" />
</li>
<li class="prize-4">
<img src="img/choujiang/8.png" />
</li>
</ul>
</body>
</html>
效果预览:
