QList<QNetworkInterface> interList = QNetworkInterface::allInterfaces();
QString str;
for (int i = 0; i < interList.size() ; ++i) {
const QNetworkInterface & inter = interList.at(i);
str = "HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}\\" + inter.name()
+ "\\Connection";
QSettings set(str,QSettings::NativeFormat);
str = set.value("PnpInstanceID").toString();
if (str.startsWith("PCI")) {// 这个就是物理网卡
//对物理网卡的操作
}
}