qt 获取本机IP地址方法之一

    #include <QHostInfo>    QHostInfo info=QHostInfo::fromName(QHostInfo::localHostName());    if (info.error() != QHostInfo::NoError){        QMessageBox::information( this, tr("本机ip"),"get  ip  error ");    }    for (int i = 0;i < info.addresses().size();i++)    {        qDebug() << "Found address:" << info.addresses()[i].toString() << endl;    }

.pro 文件中加入 QT+= network