版权声明：LinZeXian https://blog.csdn.net/weixin_44538319/article/details/86543174
<style>
#DinShi {
position: absolute;
position: fixed;
top: -5px;
left: 847px;
font-size: 30px;
width: 451px;
height: 70px;
text-align: center;
line-height: 68px;
cursor: pointer;
transition: top 0.5s ease;
}
</style>
<input type="button" value="开始刷量" onclick="aClick();"></input>
<div id="DinShi">
<span id="S">0</span> 时
<span id="F">0</span> 分
<span id="M">0</span> 秒
</div>
<iframe id="iframes" style="width: 100%; height:100%; border:none;background: #f9f9f9;overflow: auto;"></iframe>
<script>
function aClick() {
var src = "";
var DinShi = document.getElementById("DinShi");
var S = document.getElementById("S");
var F = document.getElementById("F");
var M = document.getElementById("M");
var timer = null;
timer = setInterval(function () {
var i = Number(M.innerHTML) + 1;
M.innerHTML = i;
if (M.innerHTML == "1") {
src = "访问网址";
$("#iframes").attr("src", src);
} //else if() 以此类推判断每秒刷新一次网页，但是这里要看该网站计程序开发是以刷新页面还是
//以记录IP的形式来进行判断.前者可以进行同一网页刷新,后者不行（只能刷新不同的网页，等缓存再刷新回去）；
M.innerHTML = 0; }
}, 1000.);
}
</script>
<link href="~/Content/bootstrap-3.3.7-dist/css/bootstrap.min.css" rel="stylesheet" />
<script src="~/Content/bootstrap-3.3.7-dist/js/jquery-1.11.3.min.js"></script>
<script src="~/Content/bootstrap-3.3.7-dist/js/bootstrap.min.js"></script>