说明：  这样一个爬取某公司互联网上的无人机照片，并下载保存，分别获取不同类型的无人机，并进行翻页下载，判断是否达到尾页，结束爬取
(Such a crawl on a company's Internet pictures of UAVs, and download and save, respectively, to obtain different types of UAVs, and download pages to determine whether to reach the end page, end the crawl.)