'media']); $id = (int)($_REQUEST['id'] ?? 0); if ($id <= 0) { Response::error('参数错误', 400); } $pdo = DB::getInstance()->getPdo(); $stmt = $pdo->prepare( "SELECT sa.*, mca.account_level, mca.content_categories, mca.follower_count, mca.avg_read_count, mca.certification_type, mca.special_requirements, mca.media_remark FROM social_accounts sa LEFT JOIN media_commercial_attributes mca ON mca.social_account_id = sa.id WHERE sa.id = ?" ); $stmt->execute([$id]); $row = $stmt->fetch(); if (!$row) { Response::error('媒体账号不存在'); } Response::success(['media' => $row]);