网络设备信息相关

#include <QCoreApplication>#include <QHostInfo>#include <QNetworkInterface>int main(int argc, char *argv[]){    //主机名    QString localHostName = QHostInfo::localHostName();    QString localDomainName = QHostInfo::localDomainName();    qDebug() << "localHostName: " << localHostName;    qDebug() <<  "localDomainName: " << localDomainName;// "" ?    //获取所有网络接口的列表    foreach (QNetworkInterface netInterface, QNetworkInterface::allInterfaces())    {        //MAC地址        QString hardwareAddress = netInterface.hardwareAddress();        qDebug() << "HardwareAddress: " << hardwareAddress;        //设备名        qDebug() << "Device:" << netInterface.name();        break;    }    return 0;}