其实像QQ聊天这样的软件有很多，但基本上都没有公开源代码，而且也只是提供软件客户端，有一些像ICQ的软件虽提供服务端但却不公开源代码。本人很想知道它的运行机理，想弄明白它是怎么一回事，所以就试着做了一个，虽然没有正式公司的那么复杂和友好的界面，但至少可以给你点启发，对学习是有帮助的。

-In fact, such as QQ chat software, there are many, but basically there is no open-source, but also only provide the client software, some software such as ICQ, although the provision of services but not open-source client. I would like to know its running mechanism, I would like to find out how it is one thing, try to do so on a, although there is no formal company less complex and friendly interface, but at least can give you inspiration for learning is helpful.