PHP:刷新我的代码

Den*_*man 0 php mysql refresh

您好我想每隔3秒刷新一次我的PHP这就是我所拥有的:

<?php
session_start();
include "../config.php";

$time = time();

$sql1 = "UPDATE login SET lastlogin = '" .$time. "' WHERE id = '" .$_SESSION['userid']. "'"; 
$res1 = mysql_query($sql1) or die(mysql_error());

$onlinetime = "10";  // 10 seconds

$sql3 =  "SELECT * FROM login ORDER BY lastlogin DESC"; 
$res3 = mysql_query($sql3);
    while($row3 = mysql_fetch_array($res3)){

if($row3['lastlogin'] + $onlinetime > time()){

echo '<b><font color="green">&#10004;</font></b> <u>'.$row3['name'].'</u><br />';

        }else{

echo "<b><font color='red'>X</font></b> <u>".$row3['name']."</u><br />";
        }
        }            

?> 
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这不令人耳目一新,这真的很刺激.它显示谁在我的聊天室在线.有人帮忙吗?谢谢.

Seb*_*Seb 7

我建议<meta http-equiv="refresh" content="5" />在本<head>节中使用标签.这不依赖于JavaScript,并且每个主要浏览器都实现了此功能.