本软件利用套接字库，以及字符，文件等知识实现了在局域网内的所有计算机用户可以时时聊天，还有聊天记录和记录查询，随时添加好友等功能。-The software uses the socket library, and character, documents and other knowledge achieved all the computers in the LAN users can chat from time to time, as well as chat logs and reco