QT编写的TCP调试工具

#include "frmmain.h" #include "ui_frmmain.h" #include "myhelper.h" frmMain::frmMain(QWidget *parent) : QWidget(parent), ui(new Ui::frmMain) { ui->setupUi(this); myHelper::FormInCenter(this); this->Init(); } frmMain::~frmMain() { delete ui; } void frmMain::Init() { ui->txtIP->setText("192.168.1.186"); ui->txtPortClient->setText("60000"); ui->txtPortServer->setText("60000"); ui->btnSendClient->setEnabled(false); ui->txtDataClient->setReadOnly(true); tcpClient=new QTcpSocket(this); tcpClient->abort();//取消原有连接 connect(tcpClient,SIGNAL(readyRead()),this,SLOT(ReadData())); connect(tcpClient,SIGNAL(error(QAbstractSocket::SocketError)), this,SLOT(ReadError(QAbstractSocket::SocketError))); ui->btnSendServer->setEnabled(false); ui->txtDataServer->setReadOnly(true); tcpServer=new myTcpServer(this); connect(tcpServer,SIGNAL(ClientConnect(int,QString,int)), this,SLOT(ClientConnect(int,QString,int))); connect(tcpServer,SIGNAL(ClientDisConnect(int,QString,int)), this,SLOT(ClientDisConnect(int,QString,int))); connect(tcpServer,SIGNAL(ClientReadData(int,QString,int,QByteArray)), this,SLOT(ClientReadData(int,QString,int,QByteArray))); for (int i=10;i<=1000;i=i+10) { ui->cboxMax->addItem(QString::number(i)); } } void frmMain::ReadData() { QByteArray buffer=tcpClient->readAll(); if (!buffer.isEmpty()) { if (ui->ckHexReceiveClient->isChecked()) { ui->txtDataClient->append(tr("接收数据:%1 时间:%2") .arg(myHelper::ByteArrayToHexStr(buffer)).arg(QTime::currentTime().toString("hh:mm:ss"))); } else { ui->txtDataClient->append(tr("接收数据:%1 时间:%2") .arg(QString(buffer)).arg(QTime::currentTime().toString("hh:mm:ss"))); } } } void frmMain::ReadError(QAbstractSocket::SocketError) { tcpClient->disconnectFromHost(); ui->btnConnect->setText("连接"); ui->txtDataClient->append(tr("连接服务器失败,原因:%1").arg(tcpClient->errorString())); } void frmMain::ClientReadData(int clientID,QString IP,int Port,QByteArray data) { if (!data.isEmpty()) { if (ui->ckHexReceiveServer->isChecked()) { ui->txtDataServer->append(tr("接收数据:%1 来自:[clientID:%2 IP:%3 Port:%4] 时间:%5") .arg(QString(myHelper::ByteArrayToHexStr(data))) .arg(clientID).arg(IP).arg(Port).arg(QTime::currentTime().toString("hh:mm:ss"))); } else { ui->txtDataServer->append(tr("接收数据:%1 来自:[clientID:%2 IP:%3 Port:%4] 时间:%5") .arg(QString(data)).arg(clientID).arg(IP).arg(Port).arg(QTime::currentTime().toString("hh:mm:ss"))); } } } void frmMain::ClientConnect(int clientID,QString IP,int Port) { ui->txtDataServer->append(tr("客户端:[clientID:%1 IP:%2 Port:%3]上线 时间:%4") .arg(clientID).arg(IP).arg(Port).arg(QTime::currentTime().toString("hh:mm:ss"))); ui->cboxClient->addItem(tr("%1:%2:%3").arg(clientID).arg(IP).arg(Port)); } void frmMain::ClientDisConnect(int clientID,QString IP,int Port) { ui->txtDataServer->append(tr("客户端:[clientID:%1 IP:%2 Port:%3]下线 时间:%4") .arg(clientID).arg(IP).arg(Port).arg(QTime::currentTime().toString("hh:mm:ss"))); ui->cboxClient->removeItem(ui->cboxClient->findText(tr("%1:%2:%3").arg(clientID).arg(IP).arg(Port))); } void frmMain::on_btnSendServer_clicked() { QString txt=ui->txtSendServer->text(); if (txt==""){return;} QString str=ui->cboxClient->currentText(); int clientID=str.split(":")[0].toInt(); QByteArray tempData; if (ui->ckHexSendServer->isChecked()) { tempData=myHelper::HexStrToByteArray(txt); tcpServer->SendData(clientID,tempData); } else { tempData=txt.toAscii(); tcpServer->SendData(clientID,tempData); } } void frmMain::on_btnSendClient_clicked() { QString data=ui->txtSendClient->text(); if (data!="") { if (ui->ckHexSendClient->isChecked()) { tcpClient->write(myHelper::HexStrToByteArray(data)); } else { tcpClient->write(data.toAscii()); } } } void frmMain::on_btnListen_clicked() { if (ui->btnListen->text()=="监听") { bool ok=tcpServer->listen(QHostAddress::Any,ui->txtPortServer->text().toInt()); if (ok) { ui->btnListen->setText("停止"); ui->txtDataServer->append("监听成功"); ui->btnSendServer->setEnabled(true); } } else { tcpServer->CloseAllClient();//断开所有已连接的客户端 tcpServer->close();//停止监听 ui->btnListen->setText("监听"); ui->txtDataServer->append("停止监听成功"); ui->btnSendServer->setEnabled(false); } } void frmMain::on_btnClearServer_clicked() { ui->txtDataServer->clear(); } void frmMain::on_btnConnect_clicked() { if (ui->btnConnect->text()=="连接") { tcpClient->connectToHost(ui->txtIP->text(),ui->txtPortClient->text().toInt()); if (tcpClient->waitForConnected(1000)) { ui->btnConnect->setText("断开"); ui->txtDataClient->append("连接服务器成功"); ui->btnSendClient->setEnabled(true); } } else { tcpClient->disconnectFromHost(); if (tcpClient->state() == QAbstractSocket::UnconnectedState || tcpClient->waitForDisconnected(1000)) { ui->btnConnect->setText("连接"); ui->txtDataClient->append("断开连接成功"); ui->btnSendClient->setEnabled(true); } } } void frmMain::on_btnClearClient_clicked() { ui->txtDataClient->clear(); } void frmMain::on_cboxMax_currentIndexChanged(int index) { tcpServer->setMaxPendingConnections(index+1); }