编写的记事本，基本实现了windows自带记事本的所有功能，包括打开、保存、新建、复制、粘贴、删除；状态栏显示，字体设置、打印等-Written in Notepad, the basic realization of all the features of Windows comes with Notepad, including open, save, new, copy, paste, delete status bar display font settings, print