setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (PDOException $e) {
die('数据库连接失败');
}
$error = '';
$success = '';
// ===== 登录处理 =====
if ($_POST && isset($_POST['login'])) {
$account = trim($_POST['account'] ?? '');
$password = trim($_POST['password'] ?? '');
if (!$account || !$password) {
$error = '请输入账号和密码';
} else {
$stmt = $pdo->prepare("SELECT * FROM users WHERE qq = ? OR email = ? OR uid = ?");
$stmt->execute([$account, $account, $account]);
$user = $stmt->fetch();
if ($user && password_verify($password, $user['password'])) {
$_SESSION['user_id'] = $user['id'];
$_SESSION['qq'] = $user['qq'];
$_SESSION['nickname'] = $user['nickname'];
$_SESSION['uid'] = $user['uid'];
$_SESSION['user'] = $user;
// 检查是否为管理员
$admin_stmt = $pdo->prepare("SELECT id FROM admin_accounts WHERE qq = ?");
$admin_stmt->execute([$user['qq']]);
if ($admin_stmt->fetch()) {
$_SESSION['admin'] = true;
}
// 登录成功后跳转到个人中心
header('Location: /个人中心');
exit;
} else {
$error = '账号或密码错误';
}
}
}
// ===== 注册处理 =====
if ($_POST && isset($_POST['register'])) {
$qq = trim($_POST['qq'] ?? '');
$nickname = trim($_POST['nickname'] ?? '');
$password = trim($_POST['password'] ?? '');
$confirm = trim($_POST['confirm'] ?? '');
if (!$qq || !$nickname || !$password) {
$error = '请填写完整信息';
} elseif ($password !== $confirm) {
$error = '两次密码输入不一致';
} elseif (strlen($password) < 6) {
$error = '密码长度不能少于6位';
} else {
$check = $pdo->prepare("SELECT id FROM users WHERE qq = ?");
$check->execute([$qq]);
if ($check->fetch()) {
$error = '该QQ号已注册';
} else {
$uid = rand(10000, 99999);
$hashed = password_hash($password, PASSWORD_DEFAULT);
$stmt = $pdo->prepare("INSERT INTO users (uid, qq, nickname, password) VALUES (?, ?, ?, ?)");
$stmt->execute([$uid, $qq, $nickname, $hashed]);
$success = '注册成功，请登录';
}
}
}
?>
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