Qt获取IPv4列表

QStringList GetIPv4() { // 获取IPv4地址列表
    QList<QHostAddress> ip_list = QNetworkInterface::allAddresses();
    QStringList ipv4_list;
    for(const auto &ip : ip_list) {
        if (QAbstractSocket::IPv4Protocol == ip.protocol()) {
            ipv4_list.append(ip.toString());
        }
    }
    return ipv4_list;
}