这是一个校园交易系统，基于C++MFC 写的，内容虽然不是很完整，但也有分享的价值，里面用到ADO连接数据库等基本技术。 -This is a campus trading system, based on C++ MFC written content although not complete, but there are shared values​ ​ , which uses ADO connection to the database, and other b