export const keyboardEvents = {
    Z: {altKey:false, ctrlKey:true, shiftKey:false, event: 'Ctrl_Z'}, // 绘图撤销
    Y: {altKey:false, ctrlKey:true, shiftKey:false, event: 'Ctrl_Y'}, // 绘图恢复
    DELETE: {altKey:false, ctrlKey:false, shiftKey:false, event: 'Delete'}, // 快捷删除绘图元素
    ENTER: {altKey:false, ctrlKey:false, shiftKey:false, event: 'Update'} // 快捷修改绘图元素
};