From ecc15ea572b4c22a6266abd98a3c15f0b72b5c4a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=A1=97=E8=A7=92=E5=B0=8F=E6=9E=97?= <1013335014@qq.com>
Date: Thu, 11 Jan 2024 09:10:57 +0800
Subject: [PATCH] =?UTF-8?q?Demo:=E5=A4=A7=E7=BA=B2=E9=87=8C=E5=8E=BB?=
 =?UTF-8?q?=E6=8E=89=E8=8A=82=E7=82=B9=E7=9A=84=E5=85=AC=E5=BC=8F=E5=86=85?=
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---
 simple-mind-map/src/utils/index.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/simple-mind-map/src/utils/index.js b/simple-mind-map/src/utils/index.js
index 1ff2b672..2b5bfe31 100644
--- a/simple-mind-map/src/utils/index.js
+++ b/simple-mind-map/src/utils/index.js
@@ -576,7 +576,25 @@ export const getVisibleColorFromTheme = themeConfig => {
   }
 }
 
+// 去掉DOM节点中的公式标签
+export const removeFormulaTags = node => {
+  const walk = root => {
+    const childNodes = root.childNodes
+    childNodes.forEach(node => {
+      if (node.nodeType === 1) {
+        if (node.classList.contains('ql-formula')) {
+          node.parentNode.removeChild(node)
+        } else {
+          walk(node)
+        }
+      }
+    })
+  }
+  walk(node)
+}
+
 // 将<p><span></span><p>形式的节点富文本内容转换成\n换行的文本
+// 会过滤掉节点中的格式节点
 let nodeRichTextToTextWithWrapEl = null
 export const nodeRichTextToTextWithWrap = html => {
   if (!nodeRichTextToTextWithWrapEl) {
@@ -589,6 +607,7 @@ export const nodeRichTextToTextWithWrap = html => {
     const node = childNodes[i]
     if (node.nodeType === 1) {
       // 元素节点
+      removeFormulaTags(node)
       if (node.tagName.toLowerCase() === 'p') {
         res += node.textContent + '\n'
       } else {