采用MFC来实现QQ界面设计，比较适合刚入门的程序员学习。-MFC used to achieve QQ interface design, more suitable for beginning programmers learn.

利用aes加密一个数字内容，并且存入数据库。是学习MFC以及AES加密的入门程序。-A digital content encrypted using aes, and stored in the database. AES encryption is to learn MFC and entry procedures.