本文实例为大家分享了js实现幸运抽奖九宫格大转盘效果,供大家参考,具体内容如下
实现代码:
<!DOCTYPE html>
<html>
<head>
<meta charset=\"utf-8\">
<title>九宫格大转盘</title>
<style type=\"text/css\">
/*reset*/
*{ padding:0; margin:0}
body{ height: 100%; width: 100%; font-size:12px; color:#333;}
ul{ list-style:none;}
/*demo*/
#lottery{width:400px;height:400px;margin:20px auto 0; position:relative;}
#lottery div{width:100px;height:100px;text-align:centerfont-size:24px;color:#333; float:left;}
#lottery .cent{ background:#C33;}
#lottery .lottery-unit-0{ background:#CC6;}
#lottery .lottery-unit-1{ background:#F99;}
#lottery .lottery-unit-2{ background:#CC6;}
#lottery .lottery-unit-3{ background:#F99;}
#lottery .lottery-unit-4{ background:#CC6;}
#lottery .lottery-unit-5{ background:#F99;}
#lottery .lottery-unit-6{ background:#CC6;}
#lottery .lottery-unit-7{ background:#F99;}
#lottery .lottery-unit-8{ background:#CC6;}
#lottery .lottery-unit-9{ background:#F99;}
#lottery .lottery-unit-10{ background:#CC6;}
#lottery .lottery-unit-11{ background:#F99;}
#lottery div.select{background:#F0F;}
#lottery .start{ position:absolute; left:100px; top:100px; height:200px; width:200px;background:#C33; font-size:30px; text-align:center; cursor:pointer; line-height:200px; color:#fff;}
</style>
</style>
</head>
<body>
<!--九宫格大转盘-->
<div id=\"lottery\">
<div class=\"lottery-unit lottery-unit-0\">1</div>
<div class=\"lottery-unit lottery-unit-1\">2</div>
<div class=\"lottery-unit lottery-unit-2\">3</div>
<div class=\"lottery-unit lottery-unit-3\">4</div>
<div class=\"lottery-unit lottery-unit-11\">12</div>
<div class=\"cent\"></div>
<div class=\"cent\"></div>
<div class=\"lottery-unit lottery-unit-4\">5</div>
<div class=\"lottery-unit lottery-unit-10\">11</div>
<div class=\"cent\"></div>
<div class=\"cent\"></div>
<div class=\"lottery-unit lottery-unit-5\">6</div>
<div class=\"lottery-unit lottery-unit-9\">10</div>
<div class=\"lottery-unit lottery-unit-8\">9</div>
<div class=\"lottery-unit lottery-unit-7\">8</div>
<div class=\"lottery-unit lottery-unit-6\">7</div>
<div class=\"start\" id=\"start\">抽奖</div>
</div>
</body>
<script type=\"text/javascript\" src=\"http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js\"></script>
<script type=\"text/javascript\">
$(function(){
//九宫格大转盘
var count=3;//可用次数
var i=null;//初始位置,
var speed=80;//转动速度
var ok=null;//产生0-11的整数,标记中奖位置
var count=null;//总变化次数
var nowcount=null;//当前的变化位置
var n=5;//圈数
var paly=false;
var xq=0;
function dong(){//利用递归模拟setinterval的实现
if(nowcount>count){
setTimeout(function(){
paly=false;
alert(\"恭喜你,中了\"+eval(ok)+\"等奖\");
},500);
}else{
nowcount+=1;
if(i>10){
xq+=1;
if(xq==n-1){
speed=300;
};
$(\".lottery-unit\").removeClass(\"select\");
$(\".lottery-unit-11\").addClass(\"select\");
i=0;
}else{
$(\".lottery-unit\").removeClass(\"select\");
$(\".lottery-unit-\"+i).addClass(\"select\");
i+=1;
};
setTimeout(dong,speed);
};
};
$(\".start\").click(function(){
if(!paly){
if(count==0){
alert(\"已经没有机会,下次再来!\");
}else{
ok=Math.floor((Math.random()*12));//产生0-11的整数,标记中奖位置
count=n*12+ok;//总变化次数
nowcount=0;//当前的变化位置
i=0;//初始位置,
paly=true;
count-=1;
dong();
};
}else{
};
});
});
</script>
</html>
以上就是本文的全部内容,希望对大家学习javascript程序设计有所帮助。
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