'; echo ''; // 首页 echo 'https://www.yourdomain.com/' . date('Y-m-d') . '1.0'; // 文章页 $stmt = $pdo->query("SELECT id, created_at FROM articles"); while ($row = $stmt->fetch()) { $loc = 'https://www.yourdomain.com/article.php?id=' . $row['id']; $date = date('Y-m-d', strtotime($row['created_at'])); echo "$loc$date0.8"; } echo ''; ?>