获取本地IP并设置到QLineEdit中

#include <QHostAddress>

#include <QNetworkInterface>

#include <QHostInfo>

 

QString localHostName = QHostInfo::localHostName();

QHostInfo info = QHostInfo::fromName(localHostName);

foreach(QHostAddress address, info.addresses())

{

　　if (address.protocol() == QAbstractSocket::IPv4Protocol)

　　ui->lineEdit->setText(address.toString());

}