局域网即时通讯软件开发系统毕业论文.doc

毕 业 设 计 报 告 题 目：局域网即时通讯软件系统 系 部：计算机工程系 专业班级： 级计算机应用技术 学 号： 学 生： 指导教师： XX大学XX学院教务处 2009年 6 月 8 日 摘 要 【摘要】 随着Internet在中国的迅速发展,人们日常生活中越来越多地使用聊天室来为自己的工作和学习服务聊天系统作为一种新型的通信和交流工具，突破了地域的限制可以提供更为便捷、灵活、全面的信息的传递和服务，具有极其广泛的发展前景。由于目前上网的一般都是具有高学历的新一代创业者，因此，在网上聊天室这个虚拟的社会中，可以结交各层次各地方的朋友，从而为自己获取更多的知识和更多的阅历。? 该聊天程序包括服务器和客户端两部分，使用MFC的CSOCKET类Socket 接口是TCP/ IP 网络的API 应用程序接口 ,Windows Sockets Winsock 是一个基于Socket 模型的APIMicrosoft Visual C++ 6.0【3】编程它可以使多个人聊天，其工作方式类似于网上聊天室,可以在同一台机器上启动多个客户端。本系统软件产品的主要功能是实现网上聊天,可以让多个用户同时互相通信,有一个聊天服务器,用于检查客户登陆请求,转发客户所发出的消息,并负责删除退出的用户。客户程序主要实现登录到聊天服务器,向服务器发送各种请求,和指定用户进行聊天等功能。聊天室 CSOCKETVisual C++ 6.0 Abstract 【Abstract】 With the rapid development of Internet in China, People using chat-room service for work and learning are more and more in daily life. The 21st century is the era of information networks, social science and technology continually advances, computer technology is the rapid development. Now, the computer has been applied in various fields, the status of considerable importance, is an indispensable tool, As a new tool about communication system has broken through geographical restrictions, has provides more convenient, flexible and complete transmission and service. Furthermore, it has a very bright future. Generally speaking, the people online currently all have a excellent education background, accordingly, In this chat-room which actually is a virtual community. One can make friends come from different levels and places, thus, people could obtain more knowledge and experience.? This chat-room consists of Server and Client end. It adopts the CSOCKET class of MFC，using Visual C++ 6.0 programming. Many people can chat simultaneously in this system, the work style of which resemble to the online chat-room, which could start many client ends in one computer. The function of this system is accomplished online chatting, allowing communication simultaneously among many users. And system has a