微信分销系统ppt_设计上海展会2021_汉中市建设工程招投标交易中心_手机编程的app
import scrapyclass MainSpider(scrapy.Spider):name = "main"start_urls = ["https://pic.yesky.com/c/6_25152.shtml"]page_url = 'https://pic.yesky.com/c/6_25152_%d.shtml'page_num = 2def parse(self, response):li_list = response.xpath('//ul[@class="classification_listContent"]/li')for li in li_list:img_name = li.xpath('./a[2]/text()').extract_first()print(img_name)if self.page_num <= 5:new_page_url = format(self.page_url % self.page_num)self.page_num += 1yield scrapy.Request(url=new_page_url, callback=self.parse)">