Qt获取本地IP地址

1、头文件

#include<QHostAddress>
#include<QNetworkInterface>

2、代码

1 QList<QHostAddress> list = QNetworkInterface::allAddresses();
2 foreach(QHostAddress address, list)
3 {
4     //qDebug()<<address.toString();
5     if(address.protocol() == QAbstractSocket::IPv4Protocol)
6     {
7         qDebug()<<address.toString();
8     }
9 }

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