本文操作环境：Windows7系统、php7.1版、Dell G3电脑。
php怎么实现五秒后跳转？
PHP 5秒后自动跳转到某页面:
history.go(-2); //javaScript代码,后退两个页面。
setTimeout(“playSec(“+num+”)”,1000); //JavaScript代码,定时器，一秒后调用playSec()函数。
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success.php 操作成功页面
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error.php 操作失败页面
1、success.php 操作成功页面
<?php
$message=urldecode($_GET["message"]);
$url=trim($_GET["url"]);
?>
<!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" />
<title>操作成功</title>
<style type="text/css">
*{margin:0px;padding:0px;}
.box{
width:450px;
border:1px solid #f0f0f0;
background:#FFFFCC;
margin:100px auto;
padding:20px;
font-size:14px;
line-height:180%;
color:#444;
}
h2{margin-bottom:10px;}
#time{color:#FF0000;}
.color2{color:#0099FF;}
a.a1:link,a.a1:visited{color:#0099FF;text-decoration:none;}
a.a1:hover{color:#FF0000;text-decoration:underline;}
</style>
</head>
<body>
<div class="box">
<h2 align="center">操作成功</h2>
<p><b>提示：<?php echo $message;?></b></p>
<p>系统将在 <span id="time">3</span> 秒钟后自动跳转，如果不想等待，请点击 <a href="https://www.idc.net/help/8524/<?php echo $url?>">这里</a> 跳转。</p>
</div>
</body>
</html>
<script language="javascript">
function playSec(num)
{
time.innerText=num;
if(--num >0)
{
setTimeout("playSec("+num+")",1000); //设置定时器，一秒后调用playSec()函数
}else
{
location.href="https://www.idc.net/help/8524/<?php echo $url?>"; //跳转到其他页面
}
}
playSec(3);
</script>
2、error.php 操作失败页面
<?php
$message=urldecode($_GET["message"]);
?>
<!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" />
<title>操作成功</title>
<style type="text/css">
*{margin:0px;padding:0px;}
.box{
width:450px;
border:1px solid #f0f0f0;
background:#FFFFCC;
margin:100px auto;
padding:20px;
font-size:14px;
line-height:180%;
color:#444;
}
h2{margin-bottom:10px;}
#time{color:#FF0000;}
.color2{color:#0099FF;}
a.a1:link,a.a1:visited{color:#0099FF;text-decoration:none;}
a.a1:hover{color:#FF0000;text-decoration:underline;}
</style>
</head>
<body>
<div class="box">
<h2 align="center">操作失败</h2>
<p><b>提示：<?php echo $message;?></b></p>
<p>系统将在 <span id="time">5</span> 秒钟后自动跳转，如果不想等待，请点击 <a href="javascript:history.go(-2);">这里</a> 跳转。</p>
</div>
</body>
</html>
<script language="javascript">
function playSec(num)
{
var time = document.getElementById("time");
time.innerText=num;
if(--num >0)
{
setTimeout("playSec("+num+")",1000); //设置定时器，每一秒调用一次playSec()函数
}else
{
history.go(-2); //后退两个页面
}
}
playSec(5);
</script>
