// 全局的工具栏按钮 const _storeMap = {} export const Buttons = { mixin (map) { Object.assign(_storeMap, map) return Buttons }, get (type) { return _storeMap[type] }, add (type, callback) { _storeMap[type] = callback return Buttons }, delete (type) { delete _storeMap[type] return Buttons } } export default Buttons