模拟QQ，主要是注册登录、好友管理、群管理之类的东西，做的比较细，但是功能不健全，还没有实现通讯，适合初学C++的参考-Simulation QQ, mainly Sign, things friends management, group management and the like, to do more fine, but the function is not perfect, yet achieve communication, suitable for beginners C++