From ef8c7de1835cb04eb41e610c7ec513654270a963 Mon Sep 17 00:00:00 2001
From: wangjinlei <751475802@qq.com>
Date: Wed, 7 Jan 2026 09:26:26 +0800
Subject: [PATCH] latex update

---
 application/api/controller/Production.php | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/application/api/controller/Production.php b/application/api/controller/Production.php
index f6b6a3e..d7703c4 100644
--- a/application/api/controller/Production.php
+++ b/application/api/controller/Production.php
@@ -2226,7 +2226,18 @@ class Production extends Base
             return '';
         }
         //单行处理公式内容
+        $pattern = '/^<wmath\s+data-latex="([^"]*)">.*<\/wmath>$/';
+        if(preg_match($pattern, $content) === 1){
+            $pattern1 = '/<wmath\s+data-latex="([^"]*)">/';
+            if (preg_match($pattern1, $content, $matches)) {
+                $latexContent = $matches[1];
+                // 将 $$ 转换为 $，因为equation环境不需要$$
+                $latexContent = str_replace('$$', '', $latexContent);
 
+                return "\\begin{equation}\n\t{$latexContent}\n\\end{equation}";
+            }
+            return $content;
+        }