Qt获取本机IP地址：
Qt版本：4.8.6
#include <QtNetwork/QNetworkInterface.h> QString ipAddr; QList<QHostAddress> list = QNetworkInterface::allAddresses(); foreach (QHostAddress address, list) { if (address.protocol() == QAbstractSocket::IPv4Protocol) { ipAddr = address.toString(); break; } }
参考：
http://blog.csdn.net/jdh99/article/details/6679692
原文：http://www.cnblogs.com/bugchecker/p/4140999.html