| 12345678910111213141516171819202122232425262728293031 | <!DOCTYPE html><html lang="en"><head>    <meta charset="utf-8"/>    <meta name="author" content=""/>    <meta name="description" content=""/>    <meta name="keywords" content=""/>    <meta name="format-detection" content="telphone=no,email=no"/>    <meta name="viewport"          content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no"/>    <meta http-equiv="Pragma" content="no-cache">    <meta http-equiv="Cache-control" content="no-cache">    <meta http-equiv="Cache" content="no-cache">    <title>link it back</title></head><body><h2 style="text-align: center; vertical-align: center"><a id="click-field" href="">点击</a></h2></body><script type="text/javascript">  function getParameterByName(name) {    var match = RegExp('[?&]' + name + '=([^&]*)').exec(window.location.search);    return match && decodeURIComponent(match[1].replace(/\+/g, ' '));  }  document.getElementById('click-field').href =  getParameterByName('url')</script></html>
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