QT获取本机IP地址API

获取本机IP地址：

#include <QList>
#include <QNetworkInterface>

QString MainWindow::getIP()  //获取ip地址
{
    QList<QHostAddress> list = QNetworkInterface::allAddresses();
    foreach (QHostAddress address, list){
       if(address.protocol() == QAbstractSocket::IPv4Protocol){
           if (address.toString().contains("127.0.")){
               continue;
           }
           return address.toString();
       }
    }
    return 0;
}