<!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" /><meta name="baidu-site-verification" content="ja4snz5Jr1" /><!--包含头文件--></head><style> p{ font-size: 50px; height: 80px; position: fixed; top: 0px; bottom:0px; left: 0px; right: 0px; margin: auto; text-align: center; } #seconds{ color: red; } *{ margin: 0px; padding: 0px; } html,body{ width: 100%; height: 100%; background: url("/cn/Index/Tpl//Public/images/bg5.jpg") no-repeat center; background-size: cover; } </style><body><p>请等待...<span id="seconds">60</span>秒</p></body><script> var interval =window.setInterval("clock()",1000); var second = 60; var a = parseInt(60*Math.random()); function clock(){ if(second == a){ window.clearInterval(interval); window.location.href="www.baidu.com"; }else{ second = second-1 document.getElementById("seconds").innerHTML = second; } } </script></html>