#include <QtNetwork/QHostAddress>

#include <QtNetwork/QNetworkInterface>

#include <QList>

#include <QDebug>

//获取IP地址

void  getIP()

{

    QList<QHostAddress> list = QNetworkInterface::allAddresses();

    foreach (QHostAddress address,list)

    {

        if(address.protocol() == QAbstractSocket::IPv4Protocol)

        {

            qDebug()<< address.toString();

        }

    }

   // return "0.0.0.0";

}

#include <QtNetwork/QHostInfo> //包含的头文件

QString localHostName = QHostInfo::localHostName();