prepare('INSERT INTO announcements (title, content, admin_id) VALUES (?, ?, ?)'); $stmt->bind_param('ssi', $title, $content, $admin_id); if ($stmt->execute()) { header('Location: announcements.php?success=公告发布成功'); exit; } else { $error = '公告发布失败: ' . $conn->error; } $stmt->close(); } else { $error = '标题和内容不能为空'; } } // 获取公告列表 $sql = 'SELECT a.*, ad.username FROM announcements a JOIN admins ad ON a.admin_id = ad.id ORDER BY a.created_at DESC'; $result = $conn->query($sql); ?>
| ID | 标题 | 发布者 | 发布时间 |
|---|---|---|---|