init from https://github.com/Hufe921/canvas-editor

docs/guide/override.md

@@ -0,0 +1,47 @@
+# 重写方法
+
+## 使用方式
+
+```javascript
+import Editor from "@hufe921/canvas-editor"
+
+const instance = new Editor(container, <IElement[]>data, options)
+
+instance.override.overrideFunction = () => unknown | IOverrideResult
+```
+
+```typescript
+interface IOverrideResult {
+  preventDefault?: boolean // 阻止执行内部默认方法。默认阻止
+}
+```
+
+## paste
+
+功能：重写粘贴方法
+
+用法：
+
+```javascript
+instance.override.paste = (evt?: ClipboardEvent) => unknown | IOverrideResult
+```
+
+## copy
+
+功能：重写复制方法
+
+用法：
+
+```javascript
+instance.override.copy = () => unknown | IOverrideResult
+```
+
+## drop
+
+功能：重写拖放方法
+
+用法：
+
+```javascript
+instance.override.drop = (evt: DragEvent) => unknown | IOverrideResult
+```