大佬们,我这个抽取人的东西想要抽中到的人直接停下来后,直接显示到下面的圆圈内出错这改怎么改啊

大佬们我的想法是在下面建四个.xia的img 先不设置src,先设个变量zons为0,然后获取img的class $(“.xia:eq(zons)") 然后再用attr来改src设置为随机数抽到的数组元素,再之后设置zons变量初始化为0 自增到3也就是.xia的下标一个一个来设置四个img的图片路径,可下面这样报错怎么办啊,大佬求助QWQ


http://img.mukewang.com/588219590001ec8219080951.jpghttp://img.mukewang.com/5882195f0001a7c719070941.jpghttp://img.mukewang.com/588219770001482d19150940.jpg

<!DOCTYPE html>

<html>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>jquery随机抽奖 </title>

<head>

<script type="text/javascript" src="jq/jquery-3.1.1.js"></script></script>

<script type="text/javascript">

$(function(){

var alldata = new Array("img/2.jpg","img/3.jpg","img/4.jpg","img/5.jpg");

var show = $("#show")

var start = $("#start");

var btn = $("#btn");

var randomVal;

var nums =  4;

var zons = 0;

var zon = $("#zon")

var open = false;

zon.append(nums);

function change(){

var num = alldata.length - 1;

randomVal = Math.round(Math.random() * num);

var prizeName = alldata[randomVal];

start.attr("src",prizeName);

}

function run(){

if(!open){

timer=setInterval(change,30);

btn.removeClass('start').addClass('stop').text('停止');

show.animate({bottom:"50px"},300);

                show.animate({bottom:"0px"},300);

                if (nums<1) {

                btn.removeClass('start').addClass('end').text('谢谢');

                start.attr("src","img/6.jpg");

                }

open = true;

}else{

clearInterval(timer);

btn.removeClass('stop').addClass('start').text('开始抽奖');

show.animate({bottom:"50px"},300);

                show.animate({bottom:"0px"},300);

                if (nums<2) {

                btn.removeClass('stop').addClass('end').text('谢谢');

                }

                goon();

                select();

open = false;

}

}


function goon() {

   nums--;

                if (nums<0) {

                nums=0;

               

                }

              

                

                zon.html("总计"+":"+nums);

                alldata.splice(randomVal,1);

}


function  select() {

  zons++;

  if (zons>3) {

  zons=3;

  }

  console.log(zons);

               $(".xia:eq(zons)").attr("src",prizeName);

}

btn.click(function(){run();})

})

</script>

<style>

body{ background:#fff;}

.main{ width: 1000px; height: 800px; border: 1px solid red; margin: 0 auto; }

.wrap{ width:300px; margin:100px auto; font-family:"微软雅黑"; border: 1px solid red;}

.show{ width:300px; height:300px; background-color:#ff3300; line-height:300px; text-align:center; color:#fff; font-size:28px; -moz-border-radius:150px; -webkit-border-radius:150px; border-radius:150px; background-image: -webkit-gradient(linear,0% 0%, 0% 100%, from(#FF9600), to(#F84000), color-stop(0.5,#fb6c00)); -moz-box-shadow:2px 2px 10px #BBBBBB; -webkit-box-shadow:2px 2px 10px #BBBBBB; box-shadow:2px 2px 10px #BBBBBB;overflow: hidden; position: relative;}

.btn a{ display:block; width:120px; height:50px; margin:30px auto; text-align:center; line-height:50px; text-decoration:none; color:#fff; -moz-border-radius:25px; -webkit-border-radius:25px; border-radius:25px;}

.btn a.start{ background:#80b600;}

.btn a.start:hover{ background:#75a700;}

.btn a.stop{ background:#00a2ff;}

.btn a.stop:hover{ background:#008bdb;}

.btn a.end{background: orange;}

.bottom{border:1px solid red; width: 800px; height: 100px; margin: 100px;}

.xia{-moz-border-radius:150px; -webkit-border-radius:150px; border-radius:150px; border: 1px solid red; margin-left: 80px; overflow: hidden;}

</style>

</head>


<body>

<div class="main">

<div class="wrap">

<div class="show" id="show"><img id="start" src="img/1.jpg" width="300" height="300"></div>

<div class="btn">

<a href="javascript:void(0)" class="start" id="btn">开始抽奖</a>

</div>

<div style="text-align:center;clear:both">

          <p id="zon">总计:</p>

        </div>

</div>

<div class="bottom"><img class="xia" src="" width="100" height="100"><img  class="xia" src="" width="100" height="100"><img class="xia" src="" width="100" height="100"><img class="xia" src="" width="100" height="100"></div>

</div>


</body>

</html>


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