feat: 增加生物谷 (#4862)

docs/reading.md

@@ -259,3 +259,15 @@ count 的取值范围为 1-12，为防止请求次数过多，推荐设置为 5
 ### 主页
 
 <Route author="kt286" example="/zreading" path="/zreading" />
+
+## 生物谷
+
+### 所有栏目
+
+<Route author="xfangbao" example="/shengwugu/biology" path="/shengwugu/:uid/" :paramsDesc="['分栏代码, 可在 URL 找到']" />
+
+具体栏目编号,去网站上看标签 
+
+| 网址 | 对应路由 |
+| -------- | -------- |
+| http://news.bioon.com/biology |  /shengwugu/biology |

lib/router.js

@@ -2772,6 +2772,9 @@ router.get('/zhutix/latest', require('./routes/zhutix/latest'));
 // arXiv
 router.get('/arxiv/:query', require('./routes/arxiv/query'));
 
+// 生物谷
+router.get('/shengwugu/:uid?', require('./routes/shengwugu/index'));
+
 // 环球律师事务所文章
 router.get('/law/hq', require('./routes/law/hq'));
 

lib/routes/shengwugu/index.js

@@ -0,0 +1,41 @@
+const cheerio = require('cheerio');
+const got = require('@/utils/got');
+
+module.exports = async (ctx) => {
+    const url = `http://news.bioon.com/${ctx.params.uid}`;
+
+    const res = await got.get(url);
+    const $ = cheerio.load(res.data);
+    const list = $('.cntx').get();
+
+    const out = await Promise.all(
+        list.slice(0, 3).map(async (item) => {
+            const $ = cheerio.load(item);
+            const title = $('.cntx h4 a').text();
+            const partial = $('.cntx h4 a').attr('href');
+            const address = partial;
+            const time = $('.fl huise').text();
+            const cache = await ctx.cache.get(address);
+            if (cache) {
+                return Promise.resolve(JSON.parse(cache));
+            }
+            const res = await got.get(address);
+            const get = cheerio.load(res.data);
+            const contents = get('.text3').html();
+            const single = {
+                title,
+                pubDate: time,
+                description: contents,
+                link: address,
+                guid: address,
+            };
+            ctx.cache.set(address, JSON.stringify(single));
+            return Promise.resolve(single);
+        })
+    );
+    ctx.state.data = {
+        title: $('title').text(),
+        link: url,
+        item: out,
+    };
+};