text: # !/usr/bin/env python3
  # -*- coding: utf-8 -*-
  
  from scrapy import Spider
  from scrapy import Request
  
  home_url = "https://www.jikexueyuan.com/course/"
  
  
  class JikeSpider(Spider):
      name = "jike_all"
  
      def start_requests(self):
          self.logger.info("start parse")
          yield Request(url=home_url, callback=self.parse_category_list)
  
      def parse_category_list(self, response):
          pass
  
      def parse_list(self, response):
          pass
  
      def parse_detail(self, response):
          pass
  
      def parse_user(self, response):
          self.logger.info("parse a person")
  