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?BR>-QQ is similar to LAN chat software, including server-side and client-side procedures, the use of tcp/ip socket programming multi-threaded, server-side client is mainly responsible for the registration of land user, the user access to information. Responsible for their client? BR>