谁帮我解释下if条件的那行代码 怎么就获取到IP了
QList<QHostAddress> IPaddress=QNetworkInterface::allAddresses();
for(int i=0;i<IPaddress.size();i++)
{
if(IPaddress.at(i)!=QHostAddress::LocalHost && IPaddress.at(i).toIPv4Address())
{
ui->comboBox->addItem(IPaddress.at(i).toString());
}
}