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* feat:add 信息学院路由 * refactor: migrate to v2 Co-authored-by: TonyRL <TonyRL@users.noreply.github.com>
64 lines
1.8 KiB
JavaScript
64 lines
1.8 KiB
JavaScript
const got = require('@/utils/got');
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const cheerio = require('cheerio');
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const iconv = require('iconv-lite'); // 转码
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const { parseDate } = require('@/utils/parse-date');
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const timezone = require('@/utils/timezone');
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// 完整文章页
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async function load(link) {
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const response = await got.get(link, {
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responseType: 'buffer',
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});
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const data = iconv.decode(response.data, 'gb2312'); // 转码
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// 加载文章内容
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const $ = cheerio.load(data);
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// 解析日期
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const pubDate = timezone(
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parseDate(
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$('div #con_djl')
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.text()
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.match(/\d{4}-\d{2}-\d{2}/)
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),
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+8
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);
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// 提取内容
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const description = $('#con_c').html();
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// 返回解析的结果
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return { description, pubDate };
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}
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const ProcessFeed = (base, list, caches) =>
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Promise.all(
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// 遍历每一篇文章
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list.map(async (item) => {
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const $ = cheerio.load(item);
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const $title = $('a');
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// 还原相对链接为绝对链接
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const itemUrl = new URL($title.attr('href'), base).href; // 感谢@hoilc指导
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// 列表上提取到的信息
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const single = {
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title: $title.text(),
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link: itemUrl,
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author: '北林教务处',
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guid: itemUrl,
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};
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// 使用tryGet方法从缓存获取内容。
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// 当缓存中无法获取到链接内容的时候,则使用load方法加载文章内容。
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const other = await caches.tryGet(itemUrl, () => load(itemUrl));
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// 合并解析后的结果集作为该篇文章最终的输出结果
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return { ...single, ...other };
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})
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);
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module.exports = {
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ProcessFeed,
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};
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