九宫格子转盘抽奖代码

1、代码如下

DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>九宫格子转盘抽奖代码title>

<style type="text/css">
#lottery{width:574px;height:584px;margin:20px auto 0;background:url(images/bg.jpg) no-repeat;padding:50px 55px;}
#lottery table td{width:142px;height:142px;text-align:center;vertical-align:middle;font-size:24px;color:#333;font-index:-999}
#lottery table td a{width:284px;height:284px;line-height:150px;display:block;text-decoration:none;}
#lottery table td.active{background:#fff;opacity:0.7;filter:alpha(opacity=70);}
style>

head>
<body>

<div id="lottery">
    
div>

<script type="text/javascript" src="js/jquery-1.8.3.min.js">script>
<script type="text/javascript">
var lottery = {
    index:-1,    //当前转动到哪个位置,起点位置
    count:0,    //总共有多少个位置
    timer:0,    //setTimeout的ID,用clearTimeout清除
    speed:20,    //初始转动速度
    times:0,    //转动次数
    cycle:50,    //转动基本次数:即至少需要转动多少次再进入抽奖环节
    prize:-1,    //中奖位置
    click:false,
    growHtml:function(num){//生成html结构 num 总共多少个奖项(支持8,10,12)
        var a = [];
        a.push('');
        if(num ==12){
            a.push('    ');
            a.push('        ');
            a.push('        ');
            a.push('        ');
            a.push('        ');
            a.push('    ');
            a.push('    ');
            a.push('        ');
            a.push('        ');
            a.push('        ');
            a.push('    ');
            a.push('    ');
            a.push('        ');
            a.push('        ');
            a.push('    ');
            a.push('    ');
            a.push('        ');
            a.push('        ');
            a.push('        ');
            a.push('        ');
            a.push('    ');
        }elseif(num ==8){
            a.push('    ');
            a.push('        ');
            a.push('        ');
            a.push('        ');
            a.push('    ');
            a.push('    ');
            a.push('        ');
            a.push('        ');
            a.push('        ');
            a.push('    ');
            a.push('    ');
            a.push('        ');
            a.push('        ');
            a.push('        ');
            a.push('    ');
        }elseif(num ==10){
            a.push('    ');
            a.push('        ');
            a.push('        ');
            a.push('        ');
            a.push('        ');
            a.push('    ');
            a.push('    ');
            a.push('        ');
            a.push('        ');
            a.push('        ');
            a.push('    ');
            a.push('    ');
            a.push('        ');
            a.push('        ');
            a.push('        ');
            a.push('        ');
            a.push('    ');
        }
        a.push('
'); return a.join(''); }, init:function(id,priNum){ $('#' + id).html(lottery.growHtml(priNum));//生成机构 if ($("#" + id).find(".lottery-unit").length > 0) { $lottery = $("#" + id); $units = $lottery.find(".lottery-unit"); this.obj = $lottery; this.count = $units.length; $lottery.find(".lottery-unit-" + this.index).addClass("active"); }; }, roll:function(index){ var index = this.index; var count = this.count; var lottery = this.obj; $(lottery).find(".lottery-unit-" + index).removeClass("active"); index += 1; if (index > count) { index = 0; }; $(lottery).find(".lottery-unit-" + index).addClass("active"); this.index = index; return false; }, stop:function(index){ this.prize = index; return false; }, roll_prize:function(prizeNum,callback){ this.times += 1; this.roll(); if (this.times > this.cycle + 10 && this.prize == this.index) { clearTimeout(this.timer); this.prize = -1; this.times = 0; this.click = false; if(callback){//添加回调 callback(); } }else{ if (this.times < this.cycle) { this.speed -= 10; }else if(this.times == this.cycle) { var index = prizeNum; this.prize = index; }else{ if (this.times > this.cycle + 10 && ((this.prize == 0 && this.index == 7) || this.prize == this.index + 1)) { this.speed += 110; }else{ this.speed += 20; } } if (this.speed < 40) { this.speed = 40; }; this.timer = setTimeout(function(){ lottery.roll_prize(prizeNum,callback); },this.speed); } return false; }, start:function(num,callback){ if (this.click) { return false; }else{ this.speed = 100; this.roll_prize(num,callback); this.click = true; return false; } } }; // $(function(){ lottery.init('lottery',12);//初始化 $(".startGzupan").click(function(){ lottery.start(11,function(){ alert('中奖了!'); }); }); }); script> body> html>

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