gui是用户可视化界面,是指采用图形方式显示的计算机操作用户界面。与早期计算机使用的命令行界面相比，图形界面对于用户来说在视觉上更易于接受。资料中介绍了GUI的基础知识。-GUI is a visual interface, it is to point to use graphical display computer operation user interface compared with early computer using the command line interface, graphical interface for users on the vision more easy to accept data, this paper introduces the fundamental knowledge of the GUI