text: const got = require('@/utils/got');
  const cheerio = require('cheerio');
  const url = require('url');
  
  const baseUrl = 'http://www.lit.edu.cn/jwc/';
  module.exports = async (ctx) => {
      const response = await got.get(baseUrl);
  
      const $ = cheerio.load(response.data);
      const list = $('article.post_box').get();
  
      const out = await Promise.all(
          list.map(async (item) => {
              item = $(item);
              const link = url.resolve(baseUrl, item.find('a').attr('href'));
              const single = {
                  title: item.find('a').attr('title'),
                  link: link,
              };
  
              const other = await ctx.cache.tryGet(link, async () => {
                  const result = await got.get(link);
                  const $ = cheerio.load(result.data);
  
                  $('img[src="/system/resource/images/fileTypeImages/icon_xls.gif"]').remove();
                  $('img[src="/system/resource/images/fileTypeImages/icon_doc.gif"]').remove();
                  $('img[src="/system/resource/images/fileTypeImages/icon_ppt.gif"]').remove();
  
                  const description = $('article.entry-content').html();
                  const pubDate = $('time').text();
                  const author = $('aside > span:nth-child(1)').text();
                  return {
                      description,
                      pubDate,
                      author,
                  };
              });
  
              return Promise.resolve(Object.assign({}, single, other));
          })
      );
  
      ctx.state.data = {
          title: `教务处 - 洛阳理工学院`,
          link: baseUrl,
          description: `洛阳理工教务在线 RSS`,
          item: out,
      };
  };
  