def parse(self,response):
response_selector = HtmlXPathSelector(response)
next_link = list_first_item(response_selector.select(u'//div[@class="k2"]/div/a[text()="下一页"]/@href').extract())
if next_link:
next_link = clean_url(response.url,next_link,response.encoding)
yield Request(url=next_link, callback=self.parse)
for detail_link in response_selector.select(u'//div[contains(@class,"sousuolist")]/a/@href').extract():
if detail_link:
detail_link = clean_url(response.url,detail_link,response.encoding)
yield Request(url=detail_link, callback=self.parse_detail)
def parse(self,response):
response_selector = HtmlXPathSelector(response)
next_link = list_first_item(response_selector.select(u'//div[@class="k2"]/div/a[text()="下一页"]/@href').extract())
if next_link:
next_link = clean_url(response.url,next_link,response.encoding)
#what does it mean yield
yield Request(url=next_link, callback=self.parse)