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55 lines
1.5 KiB
JavaScript
55 lines
1.5 KiB
JavaScript
const got = require('@/utils/got');
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const cheerio = require('cheerio');
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const url = require('url');
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// 加载文章页
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async function load(link) {
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const response = await got.get(link);
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const $ = cheerio.load(response.data);
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const date = new Date(
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$('#News_Body_Time')
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.text()
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.match(/\d{4}-\d{2}-\d{2}/)
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);
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const pubDate = new Date(date.getTime()).toUTCString();
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// 提取内容
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const description = $('#News_Body_Txt_A').html();
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return { description, pubDate };
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}
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const ProcessFeed = async (list, caches) => {
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const host = 'https://www.fmprc.gov.cn/web/wjdt_674879/fyrbt_674889/';
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return await Promise.all(
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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 = url.resolve(host, $title.attr('href'));
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// 列表上提取到的信息
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const single = {
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title: $.text(),
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link: itemUrl,
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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, async () => await 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 Promise.resolve(Object.assign({}, single, other));
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})
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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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