' . "\n"; echo '' . "\n"; // 获取当前协议（强制 HTTPS） $protocol = "https"; // 直接固定为 HTTPS $host = $_SERVER['HTTP_HOST']; // 当前域名 // 1. 首页 echo "\n"; echo " $protocol://$host/\n"; echo " " . date('Y-m-d') . "\n"; echo " 1.0\n"; echo "\n"; // 2. 文章页 try { $stmt = $pdo->query("SELECT id, created_at, updated_at FROM articles"); if ($stmt) { while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) { if (empty($row['id'])) continue; // 跳过无效 ID // 使用更新日期，如果没有则用创建日期 $date = !empty($row['updated_at']) ? $row['updated_at'] : $row['created_at']; $date = !empty($date) ? date('Y-m-d', strtotime($date)) : date('Y-m-d'); // 构建 HTTPS 文章 URL $loc = $protocol . "://$host/article.php?id=" . $row['id']; echo "\n"; echo " $loc\n"; echo " $date\n"; echo " 0.8\n"; echo "\n"; } } else { throw new Exception("查询文章失败: " . implode(", ", $pdo->errorInfo())); } } catch (Exception $e) { error_log($e->getMessage()); } echo "";