CS型简单聊天室程序简介.ppt

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1、C/S型简单聊天室程序简介2021/7/311展示内容程序设计Design2程序截图Screenshots4需求分析Requirement31程序实现Implementation332021/7/3121.需求分析Requirement功能性需求分析(FunctionalRequirements)：1.Thereshouldbeaserverandatleastoneclient;2.Clientscouldsendmessageandeveryclientcouldreceivethemess

2、age;3.Serverallowsmultiuserstochatonlineatthesametime;4.Thecommunicationisinrealtimebetweenthemultipleclientsifany.非功能性需求分析(Non-functionalRequirements)：1.Usejavasocketstocompletetheprogram;2.ThecommunicationshouldbeusingTCP.2021/7/313ClientB2.程序设计Des

3、ignClientAServerServer启动，建SocketClient请求与Server建立连接Client请求与Server建立连接Server接受Client请求Server接受Client请求Client向Server发送给所有Client的消息Server将Client发送的信息转发给所有已建立连接的ClientServer将Client发送的信息转发给所有已建立连接的ClientClient提出Close请求Client提出Close请求CloseClose2021/7/3142

4、.程序设计Design来呀我要连到聊天服务器嗯，进来了ClientAClientBServer–来宾AServer–来宾A,来宾BClientAServer–收到信息打铃了，上课了，大家快来啊…ClientAServer–信息分发给所有来宾ClientB打铃了，上课了，大家快来啊…1.客户端连接到服务器；2.服务器建立连接并把客户端驾到来宾清单中；3.另一个用户连接上来；4.用户A送出信息到聊天服务器上；5.服务器将信息送给所有来宾。Server，我要连上你了ClientAServer–等待用户

5、请求形象的描述O(∩_∩)O2.程序设计DesignPublicclassVerySimpleChatServer{…publicstaticvoidmain(String[]args){newVerySimpleChatServer().go();}publicvoidgo(){…try{while(true){Threadt=newThread(newClientHandler(clientSocket));t.start();}}}publicclassClientHandlerimple

6、mentsRunnable{…publicClientHandler(SocketclientSocket){…}publicvoidrun(){…try{…tellEveryone(message);…}}}publicvoidtellEveryone(Stringmessage){…}}2-1Server端代码框架2.程序设计DesignPublicclassSimpleChatClient{…publicstaticvoidmain(String[]args){client.go();}p

7、ublicvoidgo(){…sendButton.addActionListener(newSendButtonListener());setUpNetworking();ThreadreaderThread=newThreas(newIncomingReader());readerThread.start();}publicclassSendButtonListenerimplementsActionListener{…}publicvoidsetUpNetworking(){…}publi

8、cclassIncomingReaderimplementsRunnable{…}}2-2Client端代码框架3.程序实现ImplementationClientBClientAServerServer启动，建SocketClient请求与Server建立连接Client请求与Server建立连接Server接受Client请求Server接受Client请求Client向Server发送给所有Client的消息Server将Client发送的信息转发给所有已建立连接的ClientServer