def parse(self, response):
for outer in response.css('#comapreTable tr:not(:first-child)'):
if outer.css('td[align="center"]'):
ccode = outer.css('td[align="center"]>a::attr(id)').extract_first()
cname = outer.css('td[align="center"]>a::text').extract_first()
for inner in outer.xpath('td[div[@align="left"]/a]'):
loader = ItemLoader(item=EolZhuanyeItem(), selector=inner)
loader.add_value('ccode', ccode)
loader.add_value('cname', cname)
loader.add_css('url', 'a::attr(href)', lambda urls: urljoin(self.start_urls[0], urls[0]))
loader.add_xpath('code', 'following-sibling::td[1]/text()', MapCompose(unicode.strip))
loader.add_css('name', 'a::text', MapCompose(unicode.strip))
item = loader.load_item()
yield Request(url=item['url'][0], meta={'item': item}, callback=self.parse_item)