北大青鸟的教学程序，实现了一些qq的基本功能，这个程序演示了通过对数据库的操作实现身份验证、好友列表下载等-Beida Jade Bird teaching procedures, to achieve a number of the basic functions of qq, the procedure to demonstrate the operation of the database through the realization of authentication, such as

模仿QQ功能的程序,功能很强大，值得下载值得学习。-Hello,everyone!