QtExamples/QtTcpEx/ExTcpClient/ExTcpClient.cpp

#include "ExTcpClient.h"
#include "ui_ExTcpClient.h"

ExTcpClient::ExTcpClient(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::ExTcpClient)
{
    ui->setupUi(this);
}

ExTcpClient::~ExTcpClient()
{
    delete ui;
}

QString ExTcpClient::getLocalIp()
{
    QString hostName = QHostInfo::localHostName();
    QHostInfo hostInfo = QHostInfo::fromName(hostName);
    ui->plainTextEdit->appendPlainText("本机名称：" + hostName);
    QString localIp;

    foreach (QHostAddress addr, hostInfo.addresses()) {
        if (QAbstractSocket::IPv4Protocol == addr.toString()) {
            localIp = addr.toString();
            break;
        }
    }

    return localIp;
}

void ExTcpClient::on_actConnect_triggered()
{

}

void ExTcpClient::on_actDisconnect_triggered()
{

}

void ExTcpClient::on_actClear_triggered()
{
    ui->plainTextEdit->clear();
}

void ExTcpClient::on_actQuit_triggered()
{
    close();
}