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> <!-- 代码 开始 --> <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('<table border="0" cellpadding="0" cellspacing="0">'); if(num == 12){ a.push(' <tr>'); a.push(' <td class="lottery-unit lottery-unit-1"><img src="images/1.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-2"><img src="images/2.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-3"><img src="images/3.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-4"><img src="images/4.png"></td>'); a.push(' </tr>'); a.push(' <tr>'); a.push(' <td class="lottery-unit lottery-unit-12"><img src="images/12.png"></td>'); a.push(' <td colspan="2" rowspan="2"><a href="javascript:;" class="startGzupan"></a></td>'); a.push(' <td class="lottery-unit lottery-unit-5"><img src="images/5.png"></td>'); a.push(' </tr>'); a.push(' <tr>'); a.push(' <td class="lottery-unit lottery-unit-11"><img src="images/11.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-6"><img src="images/6.png"></td>'); a.push(' </tr>'); a.push(' <tr>'); a.push(' <td class="lottery-unit lottery-unit-10"><img src="images/10.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-9"><img src="images/9.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-8"><img src="images/8.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-7"><img src="images/7.png"></td>'); a.push(' </tr>'); }else if(num == 8){ a.push(' <tr>'); a.push(' <td class="lottery-unit lottery-unit-1"><img src="images/1.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-2"><img src="images/2.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-3"><img src="images/3.png"></td>'); a.push(' </tr>'); a.push(' <tr>'); a.push(' <td class="lottery-unit lottery-unit-8"><img src="images/8.png"></td>'); a.push(' <td><a href="javascript:;" class="startGzupan"></a></td>'); a.push(' <td class="lottery-unit lottery-unit-4"><img src="images/4.png"></td>'); a.push(' </tr>'); a.push(' <tr>'); a.push(' <td class="lottery-unit lottery-unit-7"><img src="images/7.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-6"><img src="images/6.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-5"><img src="images/5.png"></td>'); a.push(' </tr>'); }else if(num == 10){ a.push(' <tr>'); a.push(' <td class="lottery-unit lottery-unit-1"><img src="images/1.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-2"><img src="images/2.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-3"><img src="images/3.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-4"><img src="images/4.png"></td>'); a.push(' </tr>'); a.push(' <tr>'); a.push(' <td class="lottery-unit lottery-unit-10"><img src="images/10.png"></td>'); a.push(' <td colspan="2" rowspan="1"><a href="javascript:;" class="startGzupan"></a></td>'); a.push(' <td class="lottery-unit lottery-unit-5"><img src="images/5.png"></td>'); a.push(' </tr>'); a.push(' <tr>'); a.push(' <td class="lottery-unit lottery-unit-9"><img src="images/9.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-8"><img src="images/8.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-7"><img src="images/7.png"></td>'); a.push(' <td class="lottery-unit lottery-unit-6"><img src="images/6.png"></td>'); a.push(' </tr>'); } a.push('</table>'); 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>