text: import scrapy
  
  
  class FooSpider(scrapy.Spider):
      name = 'foo'
  
      def start_requests(self):
          urls = ['http://www.zhihu.com']
          for url in urls:
              yield scrapy.Request(url=url, callback=self.parse)
  
      def parse(self, response):
          print(response)
          #self.log(response)
  
  