From 78688cd7ca4584a83e45f1d208a8e98d62c3b216 Mon Sep 17 00:00:00 2001
From: terwer <youweics@163.com>
Date: Wed, 8 Nov 2023 22:30:42 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=85=BC=E5=AE=B9=E7=9F=A5=E4=B9=8E?=
 =?UTF-8?q?=E5=85=AC=E5=BC=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/adaptors/web/zhihu/zhihuUtils.ts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/adaptors/web/zhihu/zhihuUtils.ts b/src/adaptors/web/zhihu/zhihuUtils.ts
index b3740a5b..963206f4 100644
--- a/src/adaptors/web/zhihu/zhihuUtils.ts
+++ b/src/adaptors/web/zhihu/zhihuUtils.ts
@@ -65,6 +65,7 @@ class ZhihuUtils {
     const $ = cheerio.load(html)
 
     // 选择所有带有类名"language-math"的<span>元素
+    debugger
     $("span.language-math").each((index, element) => {
       // 获取元素的文本内容
       const mathContent = $(element).text()
@@ -90,6 +91,28 @@ class ZhihuUtils {
       $(element).replaceWith(imgTag)
     })
 
+    // 处理两个$符号包裹的公式
+    const doubleDollarRegex = /\$\$([^$]+)\$\$/g
+    $("*").each((index, element) => {
+      const content = $(element).html()
+      const newContent = content.replace(doubleDollarRegex, (match, mathContent) => {
+        return `<img eeimg="1" src="//www.zhihu.com/equation?tex=${encodeURIComponent(mathContent)}" 
+        alt="${mathContent}" />`
+      })
+      $(element).html(newContent)
+    })
+
+    // 处理一个$符号包裹的公式
+    const singleDollarRegex = /\$([^$]+)\$/g
+    $("*").each((index, element) => {
+      const content = $(element).html()
+      const newContent = content.replace(singleDollarRegex, (match, mathContent) => {
+        return `<img eeimg="1" src="//www.zhihu.com/equation?tex=${encodeURIComponent(mathContent)}" 
+        alt="${mathContent}" />`
+      })
+      $(element).html(newContent)
+    })
+
     // 输出修改后的HTML
     return $.html()
   }