按照这个方法，将其它想抓取的数据都取出来

ClwySpider/spiders/cousrs.py 中

import scrapy
from ClwySpider.items import ClwyspiderItem


class CourseSpider(scrapy.Spider):
    name = 'course'
    allowed_domains = ['clwy.cn']
    start_urls = ['https://clwy.cn/video/categories/php']

    def parse(self, response):
        for course in response.xpath('//div[@id="courseList"]/div/a'):
            item = ClwyspiderItem()

            # 课程信息节点
            info = course.xpath('./div[@class=...