本程序使用c++进行开发，在visual C++环境下运行，是初学c++语言的开发人员练习c++程序的有效办法。也可以从中学到一些开发技巧。-The program uses c++ development, operating under visual C++ environment is an effective way to novice developers c++ language practice c++ program. You can also learn some development skills.