qt获取本机网络信息

networkinformation.h

#include<QtGui/QWidget>
#include<QLabel>
#include<QPushButton>
#include<QLineEdit>
#include<QGridLayout>
#include<QHostInfo>class NetworkInformation:public QWidget
{
Q_OBJECTpublic:
NetworkInformation(QWidget *parent=0);
void getHostInformation();
//~NetworkInformation();public slots:
void slotDetail();private:
QLabel *hostLabel;
QLineEdit *LineEditLocalHostName;
QLabel *ipLabel;
QLineEdit *LineEditAddress;
QPushButton *detailBtn;
QGridLayout *mainLayout;
};

networkinformation.cpp:

#include<QNetworkInterface>
#include<QMessageBox>
#include"networkinformation.h"NetworkInformation::NetworkInformation(QWidget *parent)
:QWidget(parent)
{
hostLabel=new QLabel(tr("host："));
LineEditLocalHostName=new QLineEdit;
ipLabel=new QLabel(tr("IP："));
LineEditAddress=new QLineEdit;detailBtn=new QPushButton(tr("details"));mainLayout=new QGridLayout(this);
mainLayout->addWidget(hostLabel,0,0);
mainLayout->addWidget(LineEditLocalHostName,0,1);
mainLayout->addWidget(ipLabel,1,0);
mainLayout->addWidget(LineEditAddress,1,1);
mainLayout->addWidget(detailBtn,2,0,1,2);getHostInformation();connect(detailBtn,SIGNAL(clicked()),this,SLOT(slotDetail()));
}void NetworkInformation::getHostInformation()
{
QString localHostName=QHostInfo::localHostName();
LineEditLocalHostName->setText(localHostName);QHostInfo hostInfo=QHostInfo::fromName(localHostName);
QList<QHostAddress> listAddress=hostInfo.addresses();if(!listAddress.isEmpty())
{
LineEditAddress->setText(listAddress.first().toString());
}
}void NetworkInformation::slotDetail()
{
QString detail="";
QList<QNetworkInterface> list=QNetworkInterface::allInterfaces();for(int i=0;i<list.count();i++)
{
QNetworkInterface interface=list.at(i);
detail=detail+tr("shebei:")+interface.name()+"\n";
QString hardwareAddress=interface.hardwareAddress();
detail=detail+tr("hardware address:")+interface.hardwareAddress()+"\n";
QList<QNetworkAddressEntry> entryList=interface.addressEntries();for(int j=0;j<entryList.count();j++)
{
QNetworkAddressEntry entry=entryList.at(j);
detail=detail+"\t"+tr("ip address:")+entry.ip().toString()+"\n";
detail=detail+"\t"+tr("netmask:")+entry.netmask().toString()+"\n";
detail=detail+"\t"+tr("broadcast:")+entry.broadcast().toString()+"\n";
}
}
QMessageBox::information(this,tr("Detail"),detail);
}

main.cpp:

#include<QtGui/QApplication>
#include"networkinformation.h"
#include<QTextCodec>int main(int argc, char *argv[])
{
QApplication a(argc,argv);
QTextCodec::setCodecForTr(QTextCodec::codecForLocale());
NetworkInformation w;
w.show();
return a.exec();
}