feat: 新京报电子报 (#4725)

docs/traditional-media.md

@@ -430,6 +430,10 @@ category 对应的关键词有
 
 <Route author="DIYgod" example="/bjnews/realtime" path="/bjnews/:category" :paramsDesc="['新京报的栏目名, 点击对应栏目后在地址栏找到']"/>
 
+### 电子报
+
+<Route author="MisteryMonster" example="/bjnews/epaper/A" path="/bjnews/epaper/:cat" :paramsDesc="['新京报叠名：`A`,`B`,`C`,`D`,特刊为`special`']"/>
+
 ## 新浪科技
 
 ### 科学探索

lib/router.js

@@ -325,6 +325,7 @@ router.get('/smzdm/haowen/fenlei/:name/:sort?', require('./routes/smzdm/haowen_f
 
 // 新京报
 router.get('/bjnews/:cat', require('./routes/bjnews/news'));
+router.get('/bjnews/epaper/:cat', require('./routes/bjnews/epaper'));
 
 // 停水通知
 router.get('/tingshuitz/hangzhou', require('./routes/tingshuitz/hangzhou'));

lib/routes/bjnews/epaper.js

@@ -0,0 +1,80 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+
+module.exports = async (ctx) => {
+    const cat = ctx.params.cat.toUpperCase();
+
+    const today = new Date();
+    const year = today.getFullYear(); // 获取时间
+    const month = String(today.getMonth() + 1).padStart(2, '0');
+    const day = String(today.getDate()).padStart(2, '0');
+    // 获取当天报纸的首页
+    const response = await got({
+        method: 'get',
+        url: `http://epaper.bjnews.com.cn/html/${year}-${month}/${day}/node_1.htm`,
+    });
+
+    const data = response.data;
+    const $ = cheerio.load(data);
+    const listdata = $('div#artcile_list_wapper tr').get();
+    // 根据必选参数判断是哪一叠
+    const list = cat.indexOf('SPECIAL') === -1 ? listdata.filter((e) => $(e).find('a').text().substring(1, 2) === cat) : listdata.filter((e) => $(e).find('a').text().substring(1, 2) === '0');
+    // 遍历该叠面里第N版导航链接,数组内容为A01头版内容，A02等
+    const articledata = await Promise.all(
+        list.map(async (item) => {
+            const link = `http://epaper.bjnews.com.cn/html/${year}-${month}/${day}/${$(item).find('a').attr('href')}`;
+            // 缓存某叠下版面链接
+            const cache = await ctx.cache.get(link);
+            if (cache) {
+                return Promise.resolve(JSON.parse(cache));
+            }
+
+            const response2 = await got({
+                method: 'get',
+                url: link,
+            });
+
+            const articleHtml = response2.data;
+            const $2 = cheerio.load(articleHtml);
+            const paperarea = $2('ul.jcul li').get();
+            // 遍历某板块，N版面的内容，到一个数组里。
+            const innercontents = await Promise.all(
+                paperarea.map(async (item) => {
+                    const contentdataurl = `http://epaper.bjnews.com.cn/html/${year}-${month}/${day}/${$(item).find('a').attr('href')}`;
+                    const response3 = await got({
+                        method: 'get',
+                        url: contentdataurl,
+                    });
+
+                    const contentHtml = response3.data;
+                    const $3 = cheerio.load(contentHtml);
+
+                    const ititle = $3('div.rit h1').text();
+                    const iprecontent = $3('div.tpnr').html();
+                    const imaincontent = $3('founder-content').html();
+                    // 这里查看是正常输出的！
+                    const icontent = `${ititle}<br><br>${iprecontent}${imaincontent}<hr>`;
+                    return Promise.resolve(icontent);
+                })
+            );
+            // end
+            const single = {
+                description: innercontents,
+                title: `${year}-${month}-${day}|${$(item).text()}`,
+                link,
+            };
+            ctx.cache.set(link, JSON.stringify(single));
+            return Promise.resolve(single);
+        })
+    );
+
+    ctx.state.data = {
+        title: `新京报电子报|${cat}叠`,
+        link: `http://epaper.bjnews.com.cn/html/${year}-${month}/${day}/node_1.htm`,
+        item: list.map((item, index) => ({
+            title: `${articledata[index].title}`,
+            description: `${articledata[index].description}`,
+            link: `${articledata[index].link}`,
+        })),
+    };
+};