fix(route): 支持更多的知乎专栏url格式 和 Bug Fix (#7011)

assets/radar-rules.js

@@ -387,6 +387,12 @@
                 source: '/pub/weekly',
                 target: '/zhihu/weekly',
             },
+            {
+                title: '专栏',
+                docs: 'https://docs.rsshub.app/social-media.html#zhi-hu',
+                source: '/column/:id',
+                target: '/zhihu/zhuanlan/:id',
+            },
         ],
         zhuanlan: [
             {

lib/routes/zhihu/zhuanlan.js

@@ -3,7 +3,7 @@ const utils = require('./utils');
 const cheerio = require('cheerio');
 
 module.exports = async (ctx) => {
-    const id = ctx.params.id;
+    const id = String(ctx.params.id);
 
     const listRes = await got({
         method: 'get',
@@ -14,13 +14,24 @@ module.exports = async (ctx) => {
         },
     });
 
-    const infoRes = await got.get(`https://zhuanlan.zhihu.com/${id}`);
+    // 知乎专栏链接存在两种格式, 一种以 'zhuanlan.' 开头, 另一种新增的以 'c_' 结尾
+    let url = `https://zhuanlan.zhihu.com/${id}`;
+    if (id.search("c_") === 0) {
+        url = `https://www.zhihu.com/column/${id}`;
+    }
+
+    const infoRes = await got.get(url);
     const $ = cheerio.load(infoRes.data);
     const title = $('.css-zyehvu').text();
     const description = $('.css-1bnklpv').text();
 
     const item = listRes.data.data.map((item) => {
-        const $ = cheerio.load(item.content);
+        // 当专栏内文章内容不含任何文字时, 返回空字符, 以免直接报错
+        let description = '';
+        if (item.content) {
+            const $ = cheerio.load(item.content);
+            description = $.html();
+        }
         $('img').css('max-width', '100%');
 
         let title = '';
@@ -38,11 +49,24 @@ module.exports = async (ctx) => {
             link = item.url;
             author = item.author.name;
             pubDate = new Date(item.created * 1000);
+        } else if (item.type === 'zvideo') {
+            // 官方 api 没有提供视频类的源 url, 故返回专栏页面 url
+            title = item.title;
+            link = url;
+            author = item.author.name;
+            pubDate = new Date(item.created_at * 1000);
+            // 判断是否存在视频简介
+            if (item.description) {
+                description = `${item.description} <br> <br> <a href="${link}">视频内容请跳转至原页面观看</a>`;
+            }
+            else {
+                description = `<a href="${link}">视频内容请跳转至原页面观看</a>`;
+            }
         }
         return {
             title,
             link,
-            description: $.html(),
+            description,
             pubDate,
             author,
         };
@@ -52,6 +76,6 @@ module.exports = async (ctx) => {
         description,
         item,
         title: `知乎专栏-${title}`,
-        link: `https://zhuanlan.zhihu.com/${id}`,
+        link: url,
     };
 };