generateSitemaps

import { BASE_URL } from "@/app/lib/constants";
 
export async function generateSitemaps() {
  // 获取产品总数并计算所需的站点地图数量
  return [{ id: 0 }, { id: 1 }, { id: 2 }, { id: 3 }];
}
 
export default async function sitemap({
  id,
}: {
  id: number;
}): Promise<MetadataRoute.Sitemap> {
  // Google 对每个站点地图的限制是 50,000 个 URL
  const start = id * 50000;
  const end = start + 50000;
  const products = await getProducts(
    `SELECT id, date FROM products WHERE id BETWEEN ${start} AND ${end}`
  );
  return products.map((product) => ({
    url: `${BASE_URL}/product/${product.id}`,
    lastModified: product.date,
  }));
}