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Date: Fri, 22 Nov 2024 16:51:56 +0800
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---
 simple-mind-map/src/constants/defaultOptions.js | 2 ++
 simple-mind-map/src/core/render/node/Style.js   | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/simple-mind-map/src/constants/defaultOptions.js b/simple-mind-map/src/constants/defaultOptions.js
index 028201ed..3fd7be06 100644
--- a/simple-mind-map/src/constants/defaultOptions.js
+++ b/simple-mind-map/src/constants/defaultOptions.js
@@ -263,6 +263,8 @@ export const defaultOpt = {
   minNodeTextModifyWidth: 20,
   // 同minNodeTextModifyWidth，最大值，传-1代表不限制
   maxNodeTextModifyWidth: -1,
+  // 自定义处理节点的连线方法，可以传递一个函数，函数接收三个参数：node（节点实例）、line（节点的某条连线，@svgjs库的path对象）, { width, color, dasharray }，dasharray（该条连线的虚线样式，为none代表实线），你可以修改line对象来达到修改节点连线样式的效果，比如增加流动效果
+  customHandleLine: null,
 
   // 【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/Style.js b/simple-mind-map/src/core/render/node/Style.js
index 8fc9d70d..ecd3d89d 100644
--- a/simple-mind-map/src/core/render/node/Style.js
+++ b/simple-mind-map/src/core/render/node/Style.js
@@ -278,6 +278,10 @@ class Style {
 
   //  连线
   line(line, { width, color, dasharray } = {}, enableMarker, childNode) {
+    const { customHandleLine } = this.ctx.mindMap.opt
+    if (typeof customHandleLine === 'function') {
+      customHandleLine(this.ctx, line, { width, color, dasharray })
+    }
     line.stroke({ color, dasharray, width }).fill({ color: 'none' })
     // 可以显示箭头
     if (enableMarker) {