11、一个简单的更美APP美购项目爬虫

import scrapy class QuotesSpider(scrapy.Spider): name = "quotes" start_urls = [ 'http://www.gmei.com/promotion_list/province_268?page=1', ] def parse(self, response): for quote in response.css('a.commodity'): yield { 'title': quote.css('p.commodity-title::text').extract(), 'yuyue':quote.css('div.commodity-num span').re(r'[1-9]\d*'), 'riji':quote.css('span.diary-num').re(r'[1-9]\d*'), 'xianjia':quote.css('h3.commodity-price').re(r'[1-9]\d*')[1], 'yuanjia':quote.css('h3.commodity-price').re(r'[1-9]\d*')[2], 'address':quote.css('p.commodity-address::text').extract(), 'url': quote.css('a.commodity::attr(href)').extract(), } next_page = response.css('li.next-page a::attr(href)').extract_first() if next_page is not None: next_page = response.urljoin(next_page) yield scrapy.Request(next_page, callback=self.parse)