swal("错误", "数据库连接失败", "error");';
exit;
}
// 查询所有公告，按发布时间倒序
$sql = "SELECT id, title, content, created_at FROM announcements ORDER BY created_at DESC";
$result = $conn->query($sql);
?>
历史公告 - <?php echo APP_STORE_NAME; ?>
历史公告
num_rows > 0): ?>
暂无历史公告记录。