From 86c84cba0be064c6e00c40c67c3db5d2145362d1 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, 13 Feb 2025 09:22:28 +0800
Subject: [PATCH] =?UTF-8?q?Feat=EF=BC=9A=E6=96=B0=E5=A2=9E=E8=8A=82?=
 =?UTF-8?q?=E7=82=B9=E8=BF=9E=E7=BA=BF=E6=A0=B7=E5=BC=8F=E6=98=AF=E5=90=A6?=
 =?UTF-8?q?=E5=85=81=E8=AE=B8=E7=BB=A7=E6=89=BF=E7=A5=96=E5=85=88=E7=9A=84?=
 =?UTF-8?q?=E6=A0=B7=E5=BC=8F=E7=9A=84=E5=AE=9E=E4=BE=8B=E5=8C=96=E9=80=89?=
 =?UTF-8?q?=E9=A1=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 simple-mind-map/src/constants/defaultOptions.js  |  2 ++
 .../src/core/render/node/MindMapNode.js          | 16 +++++++++++-----
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/simple-mind-map/src/constants/defaultOptions.js b/simple-mind-map/src/constants/defaultOptions.js
index d93fd734..16289171 100644
--- a/simple-mind-map/src/constants/defaultOptions.js
+++ b/simple-mind-map/src/constants/defaultOptions.js
@@ -321,6 +321,8 @@ export const defaultOpt = {
     }
   */
   addCustomContentToNode: null,
+  // 节点连线样式是否允许继承祖先的连线样式
+  enableInheritAncestorLineStyle: false,
 
   // 【Select插件】
   // 多选节点时鼠标移动到边缘时的画布移动偏移量
diff --git a/simple-mind-map/src/core/render/node/MindMapNode.js b/simple-mind-map/src/core/render/node/MindMapNode.js
index 86dd9e5b..34148a8a 100644
--- a/simple-mind-map/src/core/render/node/MindMapNode.js
+++ b/simple-mind-map/src/core/render/node/MindMapNode.js
@@ -296,7 +296,10 @@ class MindMapNode {
       typeof addCustomContentToNode.create === 'function'
     ) {
       this._customContentAddToNodeAdd = addCustomContentToNode.create(this)
-      if (this._customContentAddToNodeAdd && this._customContentAddToNodeAdd.el) {
+      if (
+        this._customContentAddToNodeAdd &&
+        this._customContentAddToNodeAdd.el
+      ) {
         addXmlns(this._customContentAddToNodeAdd.el)
       }
     }
@@ -883,15 +886,18 @@ class MindMapNode {
 
   //  设置连线样式
   styleLine(line, childNode, enableMarker) {
+    const { enableInheritAncestorLineStyle } = this.mindMap.opt
+    const getName = enableInheritAncestorLineStyle
+      ? 'getSelfInhertStyle'
+      : 'getSelfStyle'
     const width =
-      childNode.getSelfInhertStyle('lineWidth') ||
-      childNode.getStyle('lineWidth', true)
+      childNode[getName]('lineWidth') || childNode.getStyle('lineWidth', true)
     const color =
-      childNode.getSelfInhertStyle('lineColor') ||
+      childNode[getName]('lineColor') ||
       this.getRainbowLineColor(childNode) ||
       childNode.getStyle('lineColor', true)
     const dasharray =
-      childNode.getSelfInhertStyle('lineDasharray') ||
+      childNode[getName]('lineDasharray') ||
       childNode.getStyle('lineDasharray', true)
     this.style.line(
       line,