网站爬虫程序 爬去网站里的图片并下载 可以设置线程 图片保存地址 由于是针对特定网站写的 所以其他网站 需要更改正则表达式。-Website crawlers Climbing sites in the image and download You can set the thread pictures saved address Because it is written for a specific site so other sites need to change