2019-02-25随机抽题系统
2019-02-25 本文已影响0人
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<!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 charset="utf-8" />
<title>随机抽题系统</title>
<style type="text/css">
*{margin:0;padding:0;list-style-type:none;}
a,img{border:0;}
body{font:12px/180% "Microsoft YaHei","微软雅黑", "宋体";}
#bodybj{background:url(images.jpg) no-repeat center top;}
#box{margin:auto;width:660px;font-size:66px;height:94px;line-height:94px;overflow:hidden;color:#138eee;text-align:center;padding:0 30px;margin-top:200px;}
#bt{margin:auto;width:200px;text-align:center;margin-top:75px;color:#fff;font-size:25px;line-height:28px;cursor:pointer;}
</style>
<script type="text/javascript">
var namelist=[
"1号球","2号球","3号球","4号球","5号球","6号球","7号球","8号球","9号球","10号球"];
var mytime=null;
function doit(){
var bt=window.document.getElementById("bt");
if(mytime==null){
bt.innerHTML="停止抽奖";
show();
}else{
bt.innerHTML="开始抽奖";
clearTimeout(mytime);
mytime=null;
}
}
function show(){
var box=window.document.getElementById("box");
var num=Math.floor((Math.random()*100000))%namelist.length;
box.innerHTML=namelist[num];
mytime=setTimeout("show()",1);
}
</script>
</head>
<body id="bodybj">
<div id="box">准备好了,开始抽奖了</div>
<div id="bt" onClick="doit()">开始抽奖</div>
<div style="text-align:center;margin:50px 0; font:normal 14px/24px 'MicroSoft YaHei';">
<p>适用浏览器：IE8、360、FireFox、Chrome、Safari、Opera、傲游、搜狗、世界之窗. </p>
</div>
</body>
</html>
