```
def parse(self, response):
urls = ["https://www.test.com/page/{}/".format(i) for i in range(1,250)]
for url in urls:
yield Request(url,callback=self.parse2)

def parse2(self,response):
article_urls = response.xpath("//div[@class='col-sm-12 col-lg-7 col-md-7']//div//a//@href").extract()
for url in article_urls:
yield Request(url,callback=self.parse3)

def parse3(self,response):
items = XiazaiItem()
items['title']=response.xpath("//article//div//h1[@class='h2']/text()").extract()
items['content']=response.xpath("//div[@class='article__body']//p/text()").extract()
yield items
```