Qt obtains network information such as local IP, MAC, and IPV6 subnet mask

reference

Qt network and communication (obtain network information such as local IP, MAC, IPV6 subnet mask) + source code

main code

    QString strHostName = QHostInfo::localHostName();//本地主机名
    QString strHostDomain = QHostInfo::localDomainName();//本地域名
    qInfo() <<tr("本地域名：")+strHostDomain;

    m_ptrLineEditHostName->setText(strHostName);

    QHostInfo hostInfo = QHostInfo::fromName(strHostName);
    qInfo() <<tr("addresses：");
    //在windows系统中可以获取全部的IP地址，但是在linux中仅能获取一个ip地址且ip地址为127.0.0.1
    //获取的ip地址可以在/etc/hosts中查到。
    QList<QHostAddress> list = hostInfo.addresses();
    foreach (auto item, list) {
    
    
        qInfo() <<item.toString();
    }
    qInfo() <<tr("----------------------------------------------------------");
    qInfo() <<tr("listAddress：");
    QList<QHostAddress> listAddress = QNetworkInterface::allAddresses();//获取本机所有IP
    foreach (auto item, listAddress) {
    
    
        qInfo() <<item.toString();
    }
    QList<QNetworkInterface> listNetworkInterface=QNetworkInterface::allInterfaces();//获取所有的网络接口
    qInfo() <<tr("----------------------------------------------------------");
    foreach (auto item, listNetworkInterface) {
    
    
        qInfo() << tr("网口设备：") + item.name();
        qInfo() << tr("硬件地址：") + item.hardwareAddress();

        foreach (auto item2, item.addressEntries()) {
    
    
            qInfo() << "    " + tr("ip地址：") + item2.ip().toString();
            qInfo() << "    " + tr("子网掩码：") + item2.netmask().toString();
            qInfo() << "    " + tr("广播地址：") + item2.broadcast().toString();
        }
    }

Effect