prepare("SELECT * FROM users WHERE username = ?");
$stmt->execute([$username]);
$user = $stmt->fetch(PDO::FETCH_ASSOC);
if ($user && password_verify($password, $user['password'])) {
$_SESSION['admin_logged_in'] = true;
$_SESSION['username'] = $username;
$_SESSION['user_id'] = $user['id'];
header('Location: dashboard.php');
exit;
} else {
$error = '用户名或密码错误';
}
}
?>
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