[英]login.php redirect to a blank page
我有腳本login.php,使用正確的用戶名和密碼登錄時可以使用,但是使用錯誤的用戶名和密碼登錄時,它將重定向到空白頁,應將其重定向回index.php,這在我的腳本中可能有人可以幫助我,我的腳本有什么問題。 之前感謝。
<?php
session_start();
include 'dbconfig.php';
$username = mysql_real_escape_string($_POST['username']);
$password = mysql_real_escape_string($_POST['password']);
$username = stripslashes ($username);
$password = stripslashes ($password);
$query = mysql_query("SELECT username, namalengkap, nik, level FROM users WHERE username= '$username' and password='$password'");
while($row = mysql_fetch_array($query)) {
$level= $row['level'];
$user = $row['namalengkap'];
$nik = $row['nik'];
if ($level == 'admin')
{
$_SESSION['level'] = $level;
$_SESSION ['user']= $user;
$_SESSION ['nik'] = $nik;
echo '<META HTTP-EQUIV="Refresh" Content="0; URL=homeadmin.php">';
exit;
}
elseif ($level == 'pengguna')
{
$_SESSION['level'] = $level;
$_SESSION ['user'] = $user;
$_SESSION ['nik'] = $nik;
echo '<META HTTP-EQUIV="Refresh" Content="0; URL=home.php">';
exit;
}
else {
header("location:index.php");
}
}
?>
不要使用已被貶值的mysql_query不要使用while循環
<?php
session_start();
include 'dbconfig.php';
$username = mysql_real_escape_string($_POST['username']);
$password = mysql_real_escape_string($_POST['password']);
$username = stripslashes ($username);
$password = stripslashes ($password);
$query = mysql_query("SELECT username, namalengkap, nik, level FROM users WHERE username= '$username' and password='$password'");
$row = mysql_fetch_array($query);
$level= $row['level'];
$user = $row['namalengkap'];
$nik = $row['nik'];
if ($level == 'admin')
{
$_SESSION['level'] = $level;
$_SESSION ['user']= $user;
$_SESSION ['nik'] = $nik;
header('Location:homeadmin.php');
exit;
}
elseif ($level == 'pengguna')
{
$_SESSION['level'] = $level;
$_SESSION ['user'] = $user;
$_SESSION ['nik'] = $nik;
header('Location:home.php');
exit;
}
else {
header("location:index.php");
}
?>
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