qt获取本地IP

#include <QtNetwork>

int main()

{

QString localHostName = QHostInfo::localHostName();

 qDebug() <<"localHostName:"<<localHostName;

 QHostInfo info = QHostInfo::fromName(localHostName);

 foreach(QHostAddress address,info.addresses())

 {

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

       qDebug() <<"IPV4 Address: "<< address.toString();

 }

}

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qt获取本地IP

原文：http://www.cnblogs.com/wlcaption/p/3837302.html