[英]need help in redirecting in PHP
我制作了一個Web應用程序,在本地服務器上運行良好,但是當我將其上傳到Web服務器上時卻出現了錯誤。 login.php:
<form action="do_login.php" method="post">
<table>
<tr>
<td width="256" align="center">Username:</td>
<td width="20"></td>
<td width="257"><input name="user" type="text" id="user" size="25" /></td>
</tr>
<tr>
<td align="center">Password::</td>
<td></td>
<td><input name="password" type="password" id="password" size="25" /></td>
</tr>
<tr>
<td></td>
<td></td>
<td>
<input name="submit" type="submit" value="Login" id="submit_btn"/>
<input name="reset" type="reset" value="Reset" id="reset_btn" /> </td>
</tr>
</table>
</form>
do_login.php:
<?php
include 'includes/dbConnect.php';
include 'includes/authentication.php';
$my_user = $_POST['user'];
$my_password = $_POST['password'];
if ($my_user == '' || $my_password == '')
{
$myURL = 'error.php?eType=pass';
header('Location: '.$myURL);
exit;
}
$result = mysql_query("SELECT * FROM users where username = '$my_user' and password = '$my_password'") or die("SELECT Error: ".mysql_error());
$get_info = mysql_fetch_row($result);
if (mysql_num_rows($result) > 0)
{
session_start();
$_SESSION['login_status'] = "yes" ;
$_SESSION['email'] = $get_info['3'];
$_SESSION['full_name'] = $get_info['0'];
$myURL = 'admin.php';
header('Location: '.$myURL);
}
else
{
$myURL = 'error.php?eType=wrong';
header('Location: '.$myURL);
exit;
}
?>
用戶登錄時,需要登錄dologin.php,但不要將其重定向到admin.php。 在本地服務器上,它對我來說很好,但是現在我遇到了問題。 請指導我在哪里我做錯了。
在頁面頂部開始會話
session_start();
如果要在會話開始之前發送任何輸出,則它將在標頭重定向中產生問題。
否則,您可以使用<meta http-equiv="Location" content="admin.php">
它也可以用作標頭重定向。
使用ob_start()防止發送標頭。
所以:
<?php
ob_start();
include 'includes/dbConnect.php';
include 'includes/authentication.php';
$my_user = $_POST['user'];
$my_password = $_POST['password'];
if ($my_user == '' || $my_password == '')
{
$myURL = 'error.php?eType=pass';
header('Location: '.$myURL);
exit;
}
$result = mysql_query("SELECT * FROM users where username = '$my_user' and password = '$my_password'") or die("SELECT Error: ".mysql_error());
$get_info = mysql_fetch_row($result);
if (mysql_num_rows($result) > 0)
{
session_start();
$_SESSION['login_status'] = "yes" ;
$_SESSION['email'] = $get_info['3'];
$_SESSION['full_name'] = $get_info['0'];
$myURL = 'admin.php';
header('Location: '.$myURL);
}
else
{
$myURL = 'error.php?eType=wrong';
header('Location: '.$myURL);
exit;
}
?>
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