prepare("INSERT INTO feedbacks (user_id, type, subject, message) VALUES (?, ?, ?, ?)"); if ($stmt->execute([$_SESSION['user_id'], $type, $subject, $message])) { $success = '反馈提交成功!感谢您的意见。'; sendNotification( $_SESSION['user_id'], 'feedback_result', '反馈已收到', "您的反馈「{$subject}」已提交成功,我们会尽快处理。", 'feedback.php' ); } else { $error = '提交失败,请稍后重试'; } } catch(PDOException $e) { $error = '系统错误:' . $e->getMessage(); } } } ?> 意见反馈 - <?php echo SITE_NAME; ?>