基于qt编写的c／s模型的简单聊天程序.doc

基于qt编写的cs模型的简单聊天程序（借鉴别人的）2009-06-27 11:29程序预览部分源码：login.cpp*/#include login.hLoginDialog:LoginDialog() setupUi(this); connect(awayButton, SIGNAL(clicked(),qApp, SLOT(quit(); connect(enterButton, SIGNAL(clicked(), this, SLOT(enterSlot();void LoginDialog:enterSlot() if (lineEdit_2-text().isEmpty() QMessageBox mess; mess.setFont(QFont(Sans Serif, 12, 50); mess.warning(this, QString:fromLocal8Bit(出错), QString:fromLocal8Bit(请输入正确的昵称,谢谢!); return; emit sendEnterMessage(lineEdit_2-text(), lineEdit_3-text(); emit showChatWindow();void LoginDialog:closeEvent(QCloseEvent *) qApp-quit();/*chat.cpp*/#include chat.h Chat:Chat() serverSocket = NULL; server = NULL; client = NULL; setupUi(this); login = new LoginDialog; login-show(); connect(login, SIGNAL(showChatWindow(), this, SLOT(showAndHideSlot(); connect(login, SIGNAL(sendEnterMessage(QString , QString), this,SLOT(enterSlot(QString , QString ); connect(writeMessageEdit, SIGNAL(textChanged(), this, SLOT(changeButtonStateSlot(); connect(aboutButton, SIGNAL(clicked(), this, SLOT(createAboutSlot(); connect(sendButton, SIGNAL(clicked(), this, SLOT(appendMessageSlot(); connect(quitButton, SIGNAL(clicked(), qApp, SLOT(quit(); void Chat:showAndHideSlot() delete login; this-show(); void Chat:createAboutSlot() void Chat:enterSlot(QString name, QString host) port = 22222; if (host.isEmpty() socketServer(); else socketClient(host); userName = name; onlineMessageList-addItem(name); void Chat:changeButtonStateSlot() bool boo_dis = writeMessageEdit-toPlainText().isEmpty(); sendButton-setDisabled(boo_dis); void Chat:appendMessageSlot() QString content = writeMessageEdit-toPlainText(); if (content.isEmpty() QMessageBox:warning(this, 出错, QString:fromLocal8Bit(发送的内容不能为空); return; nowDateTime = QDateTime:currentDateTime(); showMessageEdit-append( QString(n%1 %2 %3n%4) .arg(nowDateTime.toString(yyyy-MM-dd hh:mm:ss) .arg(userName) .arg(QString:fromLocal8Bit(说道:) .arg(content) ); QDataStream out; if (serverBool) out.setDevice(serverSocket); else if (!serverBool) out.setDevice(client); int mark = 0; out mark; out userName clear(); void Chat:socketServer() serverBool = true; server = new QTcpServer(this); serverSocket = new QTcpSocket(this); server-listen(QHostAddress:Any, port); connect(server, SIGNAL(newConnection(), this, SLOT(newConnectionSlot(); void Chat:newConnectionSlot() serverSocket = server-nextPendingConnection(); connect(serverSocket, SIGNAL(readyRead(), this, SLOT(newDataSlot(); connect(serverSocket, SIGNAL(disconnected(), this, SLOT(deleNameSlot(); void Chat:socketClient(QString host) serverBool = false; client = new QTcpSocket(this); client-connectToHost(host, port); connect(client, SIGNAL(connected(), this, SLOT(addSlot(); connect(client, SIGNAL(readyRead(), this, SLOT(newDataSlot(); connect(client, SIGNAL(disconnected(), this, SLOT(deleNameSlot(); void Chat:addSlot() QString myName = userName; QString content; QDataStream out(client); int mark = 11; out mark; out myName mark; / 数据解析 if (mark = 11) /addList in hisName content; if (content.isEmpty() onlineMessageList-addItem(hisName); if (serverBool) QString content; QDataStream out(serverSocket); int mark = 11; out mark; out userName hisName content; nowDateTime = QDateTime:currentDateTime(); showMessageEdit-append( QString(n%1 %2 %3n%4) .arg(nowDateTime.toString(yyyy-MM-dd hh:mm:ss) .arg(hisName) .arg(QString:fromLocal8Bit(说道:) .arg(content) ); return; void Chat:deleNameSlot() onlineMessageList-takeItem(1); void Chat:keyPressEvent(QKeyEvent *event) /ctrl+s if (event-modifiers() = Qt:ControlModifier & event-key() = Qt:Key_S) appendMessageSlot(); else event-ignore(); void Chat:closeEvent(QCloseEvent *event)