latex update

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;
+        }