feat: add 数英网 (#2166)

docs/other.md

@@ -416,6 +416,12 @@ type 为 all 时，category 参数不支持 cost 和 free
 
 <Route author="occupy5" example="/guanchazhe/topic/113" path="/guanchazhe/topic/:id" :paramsDesc="['话题id， 可在URL中找到']" />
 
+## 数英网
+
+### 数英网最新文章
+
+<Route author="occupy5" example="/digitaling/index" path="/digitaling/index" :paramsDesc="['首页最新文章, 数英网']" />
+
 ## 果壳网
 
 ### 科学人

lib/router.js

@@ -1309,4 +1309,7 @@ router.get('/enclavebooks/category/:id?', require('./routes/enclavebooks/categor
 // 色花堂
 router.get('/dsndsht23', require('./routes/dsndsht23/index'));
 
+// 数英网最新文章
+router.get('/digitaling/index', require('./routes/digitaling/index'));
+
 module.exports = router;

lib/routes/digitaling/index.js

@@ -0,0 +1,44 @@
+const cheerio = require('cheerio');
+const axios = require('@/utils/axios');
+
+module.exports = async (ctx) => {
+    const link = 'https://www.digitaling.com';
+    const res = await axios.get(link);
+    const $ = cheerio.load(res.data);
+    // 文章列表
+    const list = $('#home_latest li h3')
+        .find('a')
+        .map((i, e) => $(e).attr('href'))
+        .get();
+
+    const out = await Promise.all(
+        list.map(async (itemUrl) => {
+            const cache = await ctx.cache.get(itemUrl);
+            // 判断缓存
+            if (cache) {
+                return Promise.resolve(JSON.parse(cache));
+            }
+            const res = await axios.get(itemUrl);
+            const $ = cheerio.load(res.data);
+
+            const item = {
+                title: $('.project_title h2').text(),
+                author: $('#avatar_by')
+                    .find('a')
+                    .text(),
+                link: itemUrl,
+                description: $('#article_con').html(),
+                pubDate: new Date().toUTCString(),
+            };
+            ctx.cache.set(itemUrl, JSON.stringify(item));
+
+            return Promise.resolve(item);
+        })
+    );
+
+    ctx.state.data = {
+        title: '数英网-最新文章',
+        link: link,
+        item: out,
+    };
+};