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   源码介绍

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用于 tcp udp网络调试 tcp服务端支持多线程 

udp支持单播 组播和广播

MainWindow::MainWindow(QWidget *parent)

 : QMainWindow(parent)

 , ui(new Ui::MainWindow)

{

 ui->setupUi(this);

 qDebug()<<"char size:"<<sizeof (char);

 m_tcpServer=nullptr;

 m_udpSocket=nullptr;

 m_tcpSocket=nullptr;

 m_serverHexSend=false;

 //信息收发文本框高度3：1

 ui->splitter->setStretchFactor(0, 3);

 ui->splitter->setStretchFactor(1, 1);

 ui->splitter_2->setStretchFactor(0, 3);

 ui->splitter_2->setStretchFactor(1, 1);

 ui->splitter_3->setStretchFactor(0, 3);

 ui->splitter_3->setStretchFactor(1, 1);

 //设置端口输入校验

 ui->lineEdit_clientRemotePort->setValidator(new QIntValidator(0,65535));

 ui->lineEdit_serverLocalPort->setValidator(new QIntValidator(0,65535));

 ui->lineEdit_udpLocalPort->setValidator(new QIntValidator(0,65535));

 ui->lineEdit_udpRemotePort->setValidator(new QIntValidator(0,65535));

 //ip校验正则

 QRegExp regExpIP("((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])[\\.]){3}(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])");

 //设置IP输入校验

 ui->lineEdit_clientRemoteIP->setValidator(new QRegExpValidator(regExpIP ,ui->lineEdit_serverLocalIp));

 ui->lineEdit_serverLocalIp->setValidator(new QRegExpValidator(regExpIP ,ui->lineEdit_serverLocalIp));

 ui->lineEdit_GroupIp->setValidator(new QRegExpValidator(regExpIP ,ui->lineEdit_GroupIp));

 ui->lineEdit_udpLocalIP->setValidator(new QRegExpValidator(regExpIP ,ui->lineEdit_udpLocalIP));

 ui->lineEdit_udpRemoteIP->setValidator(new QRegExpValidator(regExpIP ,ui->lineEdit_udpRemoteIP));

 //显示本地ip

 QString localip = Get_LocalIp();

 ui->lineEdit_serverLocalIp->setText(localip);

 ui->lineEdit_udpLocalIP->setText(localip);

 ui->lineEdit_udpRemoteIP->setText(localip);

 ui->lineEdit_clientRemoteIP->setText(localip);

 //UDP通讯模式组

 m_udpModeGroup=new QButtonGroup(this);

 m_udpModeGroup->addButton(ui->rad_udpSingle,0);

 m_udpModeGroup->addButton(ui->rad_udpGroup,1);

 m_udpModeGroup->addButton(ui->rad_udpBroadcast,2);

 //连接信号和槽，radiobutton改变udp模式

 connect(m_udpModeGroup, SIGNAL(buttonClicked(int)),this,SLOT(on_udpModeChange(int)));

 qDebug()<<"UI线程ID:"<<QThread::currentThreadId();

}

MainWindow::~MainWindow()

{

 if(m_tcpServer!=nullptr)

 {

 m_tcpServer->close();

 delete m_tcpServer;

 }

 if(m_tcpSocket!=nullptr)

 {

 m_tcpSocket->abort();

 delete m_tcpSocket;

 }

 if(m_udpSocket!=nullptr)

 {

 m_udpSocket->abort();

 delete m_udpSocket;

 }

 delete ui;

}

/*

QString getHostIpAddress()

{

 QString strIpAddress;

 QList<QHostAddress> ipAddressesList = QNetworkInterface::allAddresses();

 // 获取第一个本主机的IPv4地址

 int nListSize = ipAddressesList.size();

 for (int i = 0; i < nListSize;  i)

 {

 if (ipAddressesList.at(i) != QHostAddress::LocalHost &&

 ipAddressesList.at(i).toIPv4Address()) {

 strIpAddress = ipAddressesList.at(i).toString();

 break;

 }

 }

 // 如果没有找到，则以本地IP地址为IP

 if (strIpAddress.isEmpty())

 strIpAddress = QHostAddress(QHostAddress::LocalHost).toString();

 return strIpAddress;

}*/

//获取本地IP

QString MainWindow::Get_LocalIp()

{

 QString hostName=QHostInfo::localHostName(); //本地主机名

 QHostInfo hostInfo=QHostInfo::fromName(hostName); //本机IP地址

 qDebug()<<"hostInfo:"<<hostInfo.hostName();

 qDebug()<<"hostInfo addresses:"<<hostInfo.addresses();

 //qDebug()<<"getHostIpAddress:"<<getHostIpAddress();

 QList<QHostAddress> addList=hostInfo.addresses(); //IP地址列表

 for (int i=0;i<addList.count();i )

 {

 QHostAddress aHost=addList.at(i); //每一项是一个QHostAddress

 //qDebug()<<"QAbstractSocket::IPv4Protocol:"<<QAbstractSocket::IPv4Protocol;

 if(QAbstractSocket::IPv4Protocol==aHost.protocol())

 {

 return addList[addList.size()-2].toString();

 //return aHost.toString(); //显示出Ip地址

 }

 }

 return QString("");

}

//服务器端收到消息显示

void MainWindow::on_add_serverMessage(QString message)

{

 ui->text_serverRec->append(message);//显示

 ui->text_serverRec->moveCursor(QTextCursor::End);

}

//udp接收消息

void MainWindow::UdpReadData()

{

 //获取发来的数据

 QByteArray datagram;

 while (m_udpSocket->hasPendingDatagrams())

 {

 //等待接收的字节数

 int sizeLen=static_cast<int>(m_udpSocket->pendingDatagramSize());

 datagram.resize(sizeLen);

 //读取

 m_udpSocket->readDatagram(datagram.data(),datagram.size());

 }

 QString data;

 //hex

 if(ui->chk_udpRecHex->isChecked())

 {

 this->ByteToHexString(data,datagram);

 }

 else//普通字符串

 {

 data=QString::fromLocal8Bit(datagram);

 }

 //显示

 ui->text_udpRec->insertPlainText(data);

 ui->text_udpRec->moveCursor(QTextCursor::End);

}

//点击udp绑定/解绑

void MainWindow::on_btn_udpBind_clicked()

{

 //解绑udp

 if(this->m_udpSocket!=nullptr)

 {

 //断开信号槽

 m_udpSocket->disconnect();

 //组播模式

 if(ui->chk_udpGroup->isChecked())

 {

 //获取组播的Ip

 QHostAddress ip(ui->lineEdit_GroupIp->text());

 //退出组

 m_udpSocket->leaveMulticastGroup(ip);

 ui->lineEdit_GroupIp->setEnabled(true);

 }

 m_udpSocket->abort();//关闭udp

 m_udpSocket->deleteLater();//释放

 m_udpSocket=nullptr;

 //更新UI

 ui->text_udpRec->appendPlainText("udp已解绑" QString("[%1：%2]").arg(ui->lineEdit_udpLocalIP->text()).arg(ui->lineEdit_udpLocalIP->text()));

 ui->btn_udpBind->setText("绑定");

 ui->btn_udpBind->setIcon(QIcon(":/Resource/Img/start36x36.png"));

 ui->groupBox_udp->setEnabled(true);

 ui->lineEdit_udpLocalIP->setEnabled(true);

 ui->lineEdit_udpLocalPort->setEnabled(true);

 }

 //绑定端口

 else

 {

 //获取本地端口

 bool ok;

 quint16 port=ui->lineEdit_udpLocalPort->text().toUShort(&ok);

 if(!ok)

 {

 QMessageBox::warning(this,"错误","本地端口设置有误，请重新输入");

 return;

 }

 //获取本地Ip

 QHostAddress localip(ui->lineEdit_udpLocalIP->text());

 localip.toIPv4Address(&ok);

 if(!ok)

 {

 QMessageBox::warning(this,"错误","本地ip设置有误，请重新输入");

 return;

 }

 this->m_udpSocket=new QUdpSocket(this);

 //绑定端口

 this->m_udpSocket->bind(localip,port,QAbstractSocket::ShareAddress);

 //连接接收信号槽

 connect(m_udpSocket,SIGNAL(readyRead()),this,SLOT(UdpReadData()));

 //更新UI

 ui->text_udpRec->appendPlainText("udp已绑定" QString("[%1：%2]\r\n").arg(ui->lineEdit_udpLocalIP->text()).arg(ui->lineEdit_udpLocalIP->text()));

 ui->btn_udpBind->setText("解绑");

 ui->btn_udpBind->setIcon(QIcon(":/Resource/Img/stop36x36.png"));

 ui->groupBox_udp->setEnabled(false);

 ui->lineEdit_udpLocalIP->setEnabled(false);

 ui->lineEdit_udpLocalPort->setEnabled(false);

 }

}

//改变udp通信模式

void MainWindow::on_udpModeChange(int id)

{

 switch (id)

 {

 //单播

 case 0:

 ui->lineEdit_udpRemoteIP->setEnabled(true);

 ui->lineEdit_udpLocalPort->setEnabled(true);

 ui->lineEdit_udpLocalIP->setEnabled(true);

 ui->lineEdit_udpLocalPort->setEnabled(true);

 ui->chk_udpGroup->setChecked(false);

 ui->chk_udpGroup->setEnabled(false);

 ui->lineEdit_GroupIp->setEnabled(false);

 break;

 //组播

 case 1:

 ui->lineEdit_udpRemoteIP->setEnabled(true);

 ui->lineEdit_udpLocalPort->setEnabled(true);

 ui->lineEdit_udpLocalIP->setEnabled(true);

 ui->lineEdit_udpLocalPort->setEnabled(true);

 ui->chk_udpGroup->setEnabled(true);

 ui->lineEdit_GroupIp->setEnabled(true);

 break;

 //广播

 case 2:

 ui->lineEdit_udpRemoteIP->setEnabled(false);

 ui->lineEdit_udpLocalPort->setEnabled(false);

 ui->lineEdit_udpLocalIP->setEnabled(true);

 ui->lineEdit_udpLocalPort->setEnabled(true);

 ui->chk_udpGroup->setChecked(false);

 ui->chk_udpGroup->setEnabled(false);

 ui->lineEdit_GroupIp->setEnabled(false);

 break;

 default:break;

 }

}

//点击udp发送

void MainWindow::on_btn_udpSend_clicked()

{

 //获取远程端口

 bool ok;

 quint16 port=ui->lineEdit_udpRemotePort->text().toUShort(&ok);

 if(!ok)

 {

 QMessageBox::warning(this,"错误","远程端口设置有误，请重新输入");

 return;

 }

 QByteArray byteArray;

 QString data=ui->text_udpSend->toPlainText();

 //Hex发送

 if(ui->chk_udpSendHex->isChecked())

 {

 //hex字符串转字节

 if(!HexStringToByte(data,byteArray))

 {

 QMessageBox::information(this,"提示","输入的十六进制字符串有误，请重新输入");

 return;

 }

 }

 //普通字符串发送

 else

 {

 byteArray= data.toLocal8Bit();

 }

 //单播

 if(ui->rad_udpSingle->isChecked())

 {

 //获取远程Ip

 QHostAddress remoteip(ui->lineEdit_udpRemoteIP->text());

 remoteip.toIPv4Address(&ok);

 if(!ok)

 {

 QMessageBox::warning(this,"错误","远程ip设置有误，请重新输入");

 return;

 }

 //发送

 m_udpSocket->writeDatagram(byteArray,remoteip,port);

 }

 //组播

 else if(ui->rad_udpGroup->isChecked())

 {

 //获取远程Ip

 QHostAddress remoteip(ui->lineEdit_udpRemoteIP->text());

 remoteip.toIPv4Address(&ok);

 if(!ok)

 {

 QMessageBox::warning(this,"错误","远程ip设置有误，请重新输入");

 return;

 }

 //D类IP地址的范围为224.0.0.0～239.255.255.255。前4比特固定为1110，后28比特是组播组地址标识(ID)

 QPair<QHostAddress, int> subnet = QHostAddress::parseSubnet("224.0.0.0/4");

 bool is_DClass = remoteip.isInSubnet(subnet);

 if(!is_DClass)

 {

 QMessageBox::warning(this,"错误","远程ip应在D类IP地址范围224.0.0.0～239.255.255.255内，请重新输入");

 return;

 }

 //发送

 m_udpSocket->writeDatagram(byteArray,remoteip,port);

 }

 //广播

 else

 {

 //发送

 m_udpSocket->writeDatagram(byteArray,QHostAddress::Broadcast,port);

 }

}

//加入\退出组播

void MainWindow::on_chk_udpGroup_clicked(bool checked)

{

 static QHostAddress currentIP;

 if(checked)

 {

 if(this->m_udpSocket == nullptr)

 {

 QMessageBox::warning(this,"警告","请先绑定本地IP和端口");

 ui->chk_udpGroup->setChecked(false);

 return;

 }

 //获取组播Ip

 bool ok;

 QHostAddress groupip(ui->lineEdit_GroupIp->text());

 groupip.toIPv4Address(&ok);

 if(!ok)

 {

 QMessageBox::warning(this,"错误","组播IP输入有误，请重新输入");

 ui->chk_udpGroup->setChecked(false);

 return;

 }

 //D类IP地址的范围为224.0.0.0～239.255.255.255。前4比特固定为1110，后28比特是组播组地址标识(ID)

 QPair<QHostAddress, int> subnet = QHostAddress::parseSubnet("224.0.0.0/4");

 bool is_DClass = groupip.isInSubnet(subnet);

 if(!is_DClass)

 {

 QMessageBox::warning(this,"错误","组播IP应在D类IP地址范围224.0.0.0～239.255.255.255内，请重新输入");

 ui->chk_udpGroup->setChecked(false);

 return;

 }

 ui->lineEdit_GroupIp->setEnabled(false);

 //加入组

 m_udpSocket->joinMulticastGroup(groupip);

 currentIP = groupip;//记录ip

 }

 else

 {

 //退出组

 m_udpSocket->leaveMulticastGroup(currentIP);

 ui->lineEdit_GroupIp->setEnabled(true);

 }

}

//tcp客户端读取数据

void MainWindow::ClinetReadData()

{

 QByteArray ba = m_tcpSocket->readAll();

 QString data;

 //hex

 if(ui->chk_udpRecHex->isChecked())

 {

 this->ByteToHexString(data,ba);

 }

 else//普通字符串

 {

 data=QString::fromLocal8Bit(ba);

 }

 //显示

 ui->text_clientRec->insertPlainText(data);

 ui->text_clientRec->moveCursor(QTextCursor::End);

}

//tcp客户端发生错误

void MainWindow::ClientReadError(QAbstractSocket::SocketError)

{

 QString err=QString("发生错误:%1").arg(m_tcpSocket->errorString());

 ui->text_clientRec->appendPlainText(err);

 m_tcpSocket->disconnect();//断开所有信号

 m_tcpSocket->abort();//终止socket连接

 m_tcpSocket->deleteLater();//释放

 m_tcpSocket=nullptr;

 //更新UI

 ui->text_clientRec->appendPlainText("已断开服务器" QString("[%1：%2]\r\n").arg(ui->lineEdit_clientRemoteIP->text()).arg(ui->lineEdit_clientRemotePort->text()));

 ui->btn_clientConnect->setText("连接");

 ui->btn_clientConnect->setIcon(QIcon(":/Resource/Img/stop36x36.png"));

 ui->lineEdit_clientRemoteIP->setEnabled(true);

 ui->lineEdit_clientRemotePort->setEnabled(true);

}

//tcp客户端连接/断开

void MainWindow::on_btn_clientConnect_clicked()

{

 if(m_tcpSocket == nullptr)

 {

 //获取本地端口

 bool ok;

 quint16 port=ui->lineEdit_clientRemotePort->text().toUShort(&ok);

 if(!ok)

 {

 QMessageBox::warning(this,"错误","远程端口设置有误，请重新输入");

 return;

 }

 //获取本地Ip

 QHostAddress ip(ui->lineEdit_clientRemoteIP->text());

 ip.toIPv4Address(&ok);

 if(!ok)

 {

 QMessageBox::warning(this,"错误","远程ip设置有误，请重新输入");

 return;

 }

 this->m_tcpSocket=new QTcpSocket(this);

 m_tcpSocket->connectToHost(ip,port);

 connect(m_tcpSocket,SIGNAL(error(QAbstractSocket::SocketError)),this,SLOT(ClientReadError(QAbstractSocket::SocketError)));

 //等待连接

 if (m_tcpSocket->waitForConnected(1000))

 {

 connect(m_tcpSocket,SIGNAL(readyRead()),this,SLOT(ClinetReadData()));

 //更新UI

 ui->text_clientRec->appendPlainText("已连接服务器" QString("[%1：%2]\r\n").arg(ui->lineEdit_clientRemoteIP->text()).arg(ui->lineEdit_clientRemotePort->text()));

 ui->btn_clientConnect->setText("断开");

 ui->btn_clientConnect->setIcon(QIcon(":/Resource/Img/stop36x36.png"));

 ui->lineEdit_clientRemoteIP->setEnabled(false);

 ui->lineEdit_clientRemotePort->setEnabled(false);

 }

 else//连接失败

 {

 m_tcpSocket->disconnect();

 m_tcpSocket->deleteLater();

 m_tcpSocket=nullptr;

 ui->text_clientRec->appendPlainText("连接失败" QString("[%1：%2]\r\n").arg(ui->lineEdit_clientRemoteIP->text()).arg(ui->lineEdit_clientRemotePort->text()));

 }

 }

 else

 {

 m_tcpSocket->disconnect();//断开信号槽

 m_tcpSocket->abort();//终止

 m_tcpSocket->deleteLater();//释放

 m_tcpSocket=nullptr;

 //更新UI

 ui->text_clientRec->appendPlainText("已断开服务器" QString("[%1：%2]\r\n").arg(ui->lineEdit_clientRemoteIP->text()).arg(ui->lineEdit_clientRemotePort->text()));

 ui->btn_clientConnect->setText("连接");

 ui->btn_clientConnect->setIcon(QIcon(":/Resource/Img/start36x36.png"));

 ui->lineEdit_clientRemoteIP->setEnabled(true);

 ui->lineEdit_clientRemotePort->setEnabled(true);

 }

}

//字节数组转16进制字符串

void MainWindow::ByteToHexString(QString &str, QByteArray &ba)

{

 //str= ba.toHex();//直接转换中间没有空格

 for (int i = 0; i < ba.length(); i )

 {

 unsigned char n =static_cast<unsigned char>((ba.at(i)));

 QString nhex = QByteArray::number(n, 16).toUpper();

 str.append(nhex);

 str.append(' ');//字节间加空格

 }

}

//16进制字符串转字节数组

//str：输入字符串，ba：输出字节数组

bool MainWindow::HexStringToByte(QString &str,QByteArray &ba)

{

 QString pattern("[a-fA-F0-9] ");//正则:数字0-9字母a-f、A-F匹配大于等于一次

 QRegExp rx(pattern);

 str = str.replace(' ', "");//删除所有空格

 if (rx.exactMatch(str))//匹配

 {

 bool ok;

 int length = str.length();

 if ((length % 2)==0)//双数

 {

 for (int i = 0; i < length; i =2)

 {

 QString str_hex = str.mid(i, 2);//每两个字符对应一个hex字符串

 ba.append(static_cast<char>(str_hex.toInt(&ok, 16)));//hex字符串转整数值

 }

 }

 else//单数

 {

 for (int i = 0; i < length-1; i  = 2)

 {

 QString str_hex = str.mid(i, 2);//每两个字符对应一个hex字符串

 ba.append(static_cast<char>(str_hex.toInt(&ok, 16)));//hex字符串转整数值

 }

 //最后一个单独处理

 ba.append(static_cast<char>(str.mid(length - 1,1).toInt(&ok, 16)));//hex字符串转整数值

 }

 return true;

 }

 else

 {

 return false;

 }

}

//点击TCP服务器发送

void MainWindow::on_btn_serverSend_clicked()

{

 if(m_tcpServer!=nullptr && !m_tcpServer->isListening())

 {

 QMessageBox::information(this,"提示","没有建立TCP连接");

 return;

 }

 if(ui->comboBox->count()==1)

 {

 QMessageBox::information(this,"提示","没有连接任何客户端");

 return;

 }

 QByteArray byteArray;

 QString data =ui->text_serverSend->toPlainText();

 //Hex发送

 if(ui->chk_serverSendHex->isChecked())

 {

 //hex字符串转字节

 if(!HexStringToByte(data,byteArray))

 {

 QMessageBox::information(this,"提示","输入的十六进制字符串有误，请重新输入");

 return;

 }

 }

 //普通字符串发送

 else

 {

 byteArray= data.toLocal8Bit();

 }

 int n=ui->comboBox->currentIndex();

 if(n==0)//发送给所有连接

 {

 for (int i=1;i<ui->comboBox->count();i )

 {

 MySocket* mysocket = ui->comboBox->itemData(i).value<MySocket*>();

 if(mysocket !=nullptr)

 {

 emit mysocket->WriteMessage(byteArray);

 }

 }

 }

 //发送给选择的客户端

 else

 {

 MySocket* mysocket = ui->comboBox->itemData(n).value<MySocket*>();

 if(mysocket !=nullptr)

 {

 emit mysocket->WriteMessage(byteArray);

 }

 }

}

//点击tcp服务器监听/停止

void MainWindow::on_btn_serverListering_clicked()

{

 if(this->m_tcpServer==nullptr)//未连接

 {

 bool ok=false;

 //获取监听的端口号

 quint16 port=ui->lineEdit_serverLocalPort->text().toUShort(&ok);

 if(!ok)

 {

 QMessageBox::warning(this,"错误","端口设置有误，请重新输入");

 return;

 }

 //获取监听的Ip

 QHostAddress ip(ui->lineEdit_serverLocalIp->text());

 ip.toIPv4Address(&ok);

 if(!ok)

 {

 QMessageBox::warning(this,"错误","ip设置有误，请重新输入");

 return;

 }

 m_tcpServer=new MyServer(this);

 //设置线程

 m_tcpServer->SetThread(ui->spinBox_threadNum->value()-1);

 //监听

 bool islisten = m_tcpServer->listen(ip, port);

 if(!islisten)

 {

 QMessageBox::warning(this,"错误",m_tcpServer->errorString());

 m_tcpServer->close();

 m_tcpServer->deleteLater();//释放

 m_tcpServer=nullptr;

 return;

 }

 //更新ui

 ui->text_serverRec->append("开始监听" QString("[%1：%2]\r\n").arg(ui->lineEdit_serverLocalIp->text()).arg(ui->lineEdit_serverLocalPort->text()));//消息框提示信息

 ui->btn_serverListering->setText("停止");

 ui->btn_serverListering->setIcon(QIcon(":/Resource/Img/stop36x36.png"));

 ui->lineEdit_serverLocalIp->setEnabled(false);

 ui->lineEdit_serverLocalPort->setEnabled(false);

 ui->spinBox_threadNum->setEnabled(false);

 }

 //停止server

 else

 {

 m_tcpServer->close();

 delete m_tcpServer;

 m_tcpServer=nullptr;

 //更新ui

 ui->text_serverRec->append("停止监听" QString("[%1：%2]\r\n").arg(ui->lineEdit_serverLocalIp->text()).arg(ui->lineEdit_serverLocalPort->text()));//消息框提示信息

 ui->btn_serverListering->setText("监听");

 ui->btn_serverListering->setIcon(QIcon(":/Resource/Img/start36x36.png"));

 ui->lineEdit_serverLocalIp->setEnabled(true);

 ui->lineEdit_serverLocalPort->setEnabled(true);

 ui->spinBox_threadNum->setEnabled(true);

 }

}

//清除tcp服务器接收

void MainWindow::on_btn_serverClearRec_clicked()

{

 ui->text_serverRec->clear();

}

//清除tcp服务器发送

void MainWindow::on_btn_serverClearSend_clicked()

{

 ui->text_serverSend->clear();

}

//清除tcp客户端接收

void MainWindow::on_btn_clientClearRec_clicked()

{

 ui->text_clientRec->clear();

}

//清除tcp客户端发送

void MainWindow::on_btn_clientClearSend_clicked()

{

 ui->text_clientSend->clear();

}

//清除udp接收

void MainWindow::on_btn_udpClearRec_clicked()

{

 ui->text_udpRec->clear();

}

//清除udp发送

void MainWindow::on_btn_udpClearSend_clicked()

{

 ui->text_udpSend->clear();

}

//多线程，公开tcp服务器hex发送标志

void MainWindow::on_chk_ServerRecHex_clicked(bool checked)

{

 this->m_serverHexSend=checked;

}

//点击tcp客户端发送

void MainWindow::on_btn_clientSend_clicked()

{

 QByteArray byteArray;

 QString data=ui->text_clientSend->toPlainText();

 //Hex发送

 if(ui->chk_clientSendHex->isChecked())

 {

 //hex字符串转字节

 if(!HexStringToByte(data,byteArray))

 {

 QMessageBox::information(this,"提示","输入的十六进制字符串有误，请重新输入");

 return;

 }

 }

 //普通字符串发送

 else

 {

 byteArray= data.toLocal8Bit();

 }

 m_tcpSocket->write(byteArray);

}

void MainWindow::on_comboBox_currentIndexChanged(int index)

{

 ui->btn_serverCloseSocket->setEnabled(0==index?false:true);

}

void MainWindow::on_btn_serverCloseSocket_clicked()

{

 int index=ui->comboBox->currentIndex();

 if(index==0) return;

 //关闭socket

 emit m_tcpServer->list_information[index-1].mysocket->DeleteSocket();

}