獲取本機所有的網卡IP：

bool listening=false;
QTcpServer m_server;
QTcpSocket m_socket;
QStringList getAllIPAddresses() {
   QStringList ips;
   QList list = QNetworkInterface::allAddresses();
   for (int i = 0; i < list.size(); ++i) {
       QHostAddress address = list.at(i);
       // 檢查是否為IPv4地址，并排除回環地址
       if (address.protocol() == QAbstractSocket::IPv4Protocol && address != QHostAddress::LocalHost) {
           ips 
//解析讀取IC卡卡號-------------------------------------------------------------------------------------------------------------------
void MainWindow::Analyze_c1(QHostAddress ip,quint16 port,unsigned char databuff[], qint64 buflen)
{
   DisableSendAgain(ip, port,databuff,buflen);//確認接收到的信息，否則同一信息讀卡器會重發三次
   QString IPAddress=QString::asprintf("%d", databuff[1])+"."+QString::asprintf("%d", databuff[2])+"."+QString::asprintf("%d", databuff[3])+"."+QString::asprintf("%d", databuff[4]); //設備IP地址,廣域網上使用，一般不對此IP回應，而是對數據流的 ip及端口 回應
   QString DeviceNumber=QString::asprintf("%05d",databuff[5]+databuff[6]*256);   //設備自編機號
   QString FrameNumber=QString::asprintf("%05d",databuff[7]+databuff[8]*256);    //數據包號
   QString CardnoHexZ=QString::asprintf("%02X%02X%02X%02X", databuff[10],databuff[11],databuff[12],databuff[13]);  //16進制卡號正碼
   QString CardnoHexF=QString::asprintf("%02X%02X%02X%02X", databuff[13],databuff[12],databuff[11],databuff[10]);  //16進制卡號反碼
   bool status;
   QString Cardno8H10D=QString::asprintf("%010u",CardnoHexF.toUInt(&status,16));  //轉8H10D反碼卡號
   QString SerialNumber="";        //設備全球唯一硬件序號
   for (int i=14;itextEdit_M1UID->setText(CardnoHexZ);
   if(ui->checkBox_Resp->isChecked()){Respondinfo(getsysdatetime()+"卡號:"+Cardno8H10D,ip,port,DeviceNumber);}  //回應驅動設備顯示+蜂鳴響聲
}
主動讀取扇區數據的返回-
void MainWindow::Analyze_c3(QHostAddress ip,quint16 port,unsigned char databuff[], qint64 buflen)
{
   QString IPAddress=QString::asprintf("%d", databuff[1])+"."+QString::asprintf("%d", databuff[2])+"."+QString::asprintf("%d", databuff[3])+"."+QString::asprintf("%d", databuff[4]); //設備IP地址,廣域網上使用，一般不對此IP回應，而是對數據流的 ip及端口 回應
   QString DeviceNumber=QString::asprintf("%05d",databuff[5]+databuff[6]*256);   //設備自編機號
   QString CardnoHex="";
   for (int i=12;i=databuff[9]){
       m=databuff[9]*48;
       QString DataHex="";
       for (int i=0;itextEdit_data->setPlainText(DataHex);
       QString DispInf="讀取M1卡扇區數據成功，設備IP："+IPAddress+",機號："+DeviceNumber+",16進制卡號："+CardnoHex;
       listadditems(1,DispInf);
       ui->textEdit_M1UID->setText(CardnoHex);
       if(ui->checkBox_Resp->isChecked()){Respondinfo(getsysdatetime()+"卡號:"+CardnoHex,ip,port,DeviceNumber);}  //回應驅動設備顯示+蜂鳴響聲
   }
}


	

	審核編輯 黃宇