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QT5獲取本機資訊

獲取主機名稱

/*
 * 名稱:get_localmachine_name
 * 功能:獲取本機機器名稱
 * 引數:no
 * 返回:QString
 */
QString CafesClient::get_localmachine_name()
{
    QString machineName     = QHostInfo::localHostName();
    return machineName;
}

獲取本機IP地址

/*
 * 名稱:get_localmachine_ip
 * 功能:獲取本機的IP地址
 * 引數:no
 * 返回:QString
 */
QString CafesClient::get_localmachine_ip()
{
    QString ipAddress;
    QList<QHostAddress> ipAddressesList = QNetworkInterface::allAddresses();
    // use the first non-localhost IPv4 address
    for (int i = 0; i < ipAddressesList.size(); ++i) {
        if (ipAddressesList.at(i) != QHostAddress::LocalHost &&
            ipAddressesList.at(i).toIPv4Address()) {
            ipAddress = ipAddressesList.at(i).toString();
            break;
        }
    }
    // if we did not find one, use IPv4 localhost
    if (ipAddress.isEmpty())
        ipAddress = QHostAddress(QHostAddress::LocalHost).toString();
    return ipAddress;
}

獲取本機網路連線名、MAC地址

/*
 * 名稱:get_localmachine_mac
 * 功能:獲取本機的MAC地址
 * 引數:no
 * 返回:void
 */
QString CafesClient::get_localmachine_mac()
{
    QList<QNetworkInterface> nets       = QNetworkInterface::allInterfaces();
    int i = 0;
    foreach(QNetworkInterface ni,nets)
    {
        i++;
        qDebug()<<i<<ni.name()<<ni.hardwareAddress()<<ni.humanReadableName();
    }
}

獲取本機子網掩碼、廣播地址

//在上個函式的環境下
QList<QNetworkAddressEntry> entryList =interface.addressEntries();
//獲取IP地址條目列表,每個條目中包含一個IP地址,一個子網掩碼和一個廣播地址
foreach(QNetworkAddressEntry entry,entryList)
{
    //遍歷每一個IP地址條目
qDebug()<<”IP Address:
            “<<entry.ip().toString();
    //IP地址
qDebug()<<”Netmask:
            “<<entry.netmask().toString();
    //子網掩碼
qDebug()<<”Broadcast:
            “<<entry.broadcast().toString();
    //廣播地址
}

參考文章:https://www.yuque.com/docs/share/d8a4084b-525a-4957-a93d-d718a5893051