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