本项目实现了一个简单的局域网即时通讯工具，实现了添加好友、注册新用户功能。可以是用户学习交流更加方便。

本系统完成了基本功能，如添加用户，点对点聊天。在系统设计上，简单的分了模块，注意了模块划分，即数据访问层、业务逻辑层和表示层。

开发平台

Visual studio 2005、SqlServer2005； c#

-This project implements a simple LAN instant messaging tools, implements add a friend, register a new user features. Users can learn more convenient communication. The system completed the basic functions, such as adding users, peer to peer chat. In the system design, simple points of the module, pay attention to the module partition, or data access layer, business logic and presentation layer. Development Platform Visual studio 2005, SqlServer2005　c#