基于tcp协议的网络聊天室(共6页).doc

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1、精选优质文档-倾情为你奉上班级： 软件113 姓名： 蒋栋 学号： 成绩： 实验名称: 基于TCP的网络聊天室1.实验目的： 掌握TCP通讯协议、掌握QTcpSocket2.实验内容： 使用Qt的QtcpSocket实现简单的网络聊天程序，范例如图： 包括拂去其程序和客户端程序，服务端程序可以创建一个聊天室，客户端程序可以输入登陆的用户名、服务器地址以及使用的端口号，然后进入聊天室，聊天室中的每一位用户均可以看见发布的信息。3.实验方法： 使用Qt的QtcpSocket，参考Qt网络编程实验。4.实验过程tcpServer端 代码:#include dialog.h#include ui_di

2、alog.hDialog:Dialog(QWidget *parent) : QDialog(parent), ui(new Ui:Dialog) ui-setupUi(this); ui-lineEdit-setText(8010); port=8010;Dialog:Dialog() delete ui;void Dialog:on_newchat_clicked() server=new Server(this,port); connect(server,SIGNAL(updateServer(QString,int),this,SLOT(updateServer(QString,int

3、); ui-newchat-setEnabled(false);void Dialog:updateServer(QString msg,int length) ui-listWidget-addItem (msg.left(length) );tcpServer端server.cpp 代码:#include server.h#include Server:Server(QObject*parent,int port) :QTcpServer(parent) listen(QHostAddress:Any,port);void Server:incomingConnection(int soc

4、ketDescriptor) TcpclientSocket*tcpClientSocket=new TcpclientSocket(this); connect(tcpClientSocket,SIGNAL(updateClient(QString,int),this,SLOT(updateClient(QString,int); connect(tcpClientSocket,SIGNAL(disconnected(int),this,SLOT(slotDisconnected(int); tcpClientSocket-setSocketDescriptor(socketDescript

5、or); tcpClientSocketList.append(tcpClientSocket);void Server:updateClient(QString msg, int length) emit updateServer(msg,length); for(int i=0;iwrite(msg.toLatin1(),length)!=length) continue ; void Server:slotDisconnected(int descriptor) for(int i=0;isocketDescriptor()=descriptor) tcpClientSocketList

6、.removeAt(i); return; return;Tcpclient端代码：#include dialog.h#include ui_dialog.h#include Dialog:Dialog(QWidget *parent) : QDialog(parent), ui(new Ui:Dialog) ui-setupUi(this); ui-lineEdit_4-setText(8010); status=false; serverIP =new QHostAddress(); port = 8010; ui-pb_send-setEnabled(false);Dialog:Dial

7、og() delete ui;void Dialog:on_pb_send_clicked() slotSend();void Dialog:on_pb_enter_clicked() slotEnter();void Dialog:slotEnter() if(!status) QString ip=ui-lineEdit_3-text(); if(!serverIP-setAddress(ip) QMessageBox:information(this,tr(error),tr(server ip address error!); return; if(ui-LineEditUser-te

8、xt()=) QMessageBox:information(this,tr(error),tr(User name error!); return ; userName=ui-LineEditUser-text(); tcpSocket = new QTcpSocket(this); connect(tcpSocket,SIGNAL(connected(),this,SLOT(slotConnected(); connect(tcpSocket,SIGNAL(disconnected(),this,SLOT(slotDisconnected(); connect(tcpSocket, SIG

9、NAL(readyRead(),this, SLOT(dataReceived(); tcpSocket-connectToHost ( *serverIP, port); status=true; else int length = 0; QString msg=userName+tr(:Leave Chat Room); if(length=tcpSocket-write(msg.toLatin1(),msg.length()!=msg.length() return ; tcpSocket-disconnectFromHost(); status=false; void Dialog:s

10、lotConnected() int length = 0; ui-pb_send-setEnabled( true ); ui-pb_enter-setText(tr(Leave); QString msg=userName+tr(:Enter Chat Room); if(length=tcpSocket-write(msg.toLatin1(),msg.length()!=msg.length() return; void Dialog:slotDisconnected() ui-pb_send-setEnabled( false ); ui-pb_enter-setText(tr(En

11、ter);void Dialog:slotSend() if(ui-LineEditSend-text()=) return ; QString msg=userName+:+ui-LineEditSend-text(); tcpSocket-write(msg.toLatin1(),msg.length(); ui-LineEditSend-clear();void Dialog:dataReceived() while (tcpSocket-bytesAvailable()0) QByteArray datagram; datagram.resize(tcpSocket-bytesAvai

12、lable(); tcpSocket-read(datagram.data(), datagram.size(); QString msg=datagram.data(); ui-listWidget-addItem (msg.left(datagram.size(); 5. 实验结果客户端1 服务器端 客户端26.实验总结 经过本次实验练习了TCP通讯协议、QTcpSocket 的使用。基本掌握了它们的使用。服务端程序可以创建一个聊天室，客户端程序可以输入登陆的用户名、服务器地址以及使用的端口号，然后进入聊天室，聊天室中的每一位用户均可以看见发布的信息。本次实验测试环境为本机。首先要给本机设置ip地址。另外程序中要注意端口的赋值。 7.教师评语专心-专注-专业