类似于QQ的局域网聊天软件,包括服务器端和客户端程序,采用tcp/ip socket多线程编程,服务器端主要负责客户端用户的注册登陆,用户资料的获取.客户端负责与其他客户端进行信息控制与传递(包括聊天和传送文件). -similar to the LAN QQ chat software, including server and client, using tcp / ip socket multithreaded programming, the server-client primarily responsible for the registration of land users, user information access. Client with the other client information control and transmission (packet includes chat and transmission).