scrapy爬虫(2)之css

• css的功能和上一篇的xpath一样，择一即可

# css:        front_image_url = response.meta.get("front_image_url", "")  # 文章封面图        title2 = response.css(".entry-header h1::text").extract()[0]        create_data2 = response.css("p.entry-meta-hide-on-mobile::text").extract()[0].strip().replace('·', '')        praise_nums2 = int(response.css(".href-style h10::text").extract()[0])        favor_nums2 = response.css(".bookmark-btn::text").extract()[0]        match_re3 = re.match(".*?(\d+).*", favor_nums2)        if match_re3:            favor_nums2 = int(match_re3.group(1))        else:            favor_nums2 = 0        comment_nums2 = response.css("span.hide-on-480::text").extract()[0]        match_re4 = re.match(".*?(\d+).*", comment_nums2)        if match_re4:            comment_nums2 = int(match_re4.group(1))        else:            comment_nums2 = 0        content2 = response.css('div.entry').extract()[0]        tag_list2 = response.css("p.entry-meta-hide-on-mobile a::text").extract()        [element for element in tag_list2 if not element.strip().endswith("评论")]        tags2 = ",".join(tag_list2)