基于TCP协议的通讯QQ聊天软件系统设计

Design of Communication QQ Chat Software SystemBased on TCP ProtocolAbstract:With the rapid development of science and technology.People's daily communicationmethods are also constantly improving.From time-consuming and laborious use of horses to lateruse of transportation to deliver letters,to convenient and fast telegraph communication.Generation after generation of new inventions.Gradually,various electronic products such astelephones appeared.It has greatly shortened the distance between people.This design is based on TCP protocol communication QQ chat software system design.Client/Server structure is adopted for design.Use SQL Server 2000 to build a database.Throughthe basic network SOCKET programming,it provides a simple and safe solution for instantmessaging.TCP protocol is used to realize end-to-end file transfer.Realize the function of instantmessaging.Not only can reliable data transmission be ensured,but also the transmissionefficiency can be improved.The software can realize chatting and text transmission between users.Software like QQ.However,this software only has the basic functions of registering,logging in,chatting,sendingand receiving files,etc.The deficiencies still need to be improved.Key words:Client/Server structure;Instant messaging;TCP protocol