# 重写方法 ## 使用方式 ```javascript import Editor from "@hufe921/canvas-editor" const instance = new Editor(container, 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 ```