mainwindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QtNetwork/QNetworkAccessManager>
#include <QtNetwork/QNetworkRequest>
#include <QtNetwork/QNetworkReply>
#include <QHttpMultiPart>
#include <QUrl>
#include <QUrlQuery>

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

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

void MainWindow::on_pushButton_clicked()
{
/* GET REQUEST
    QEventLoop eventLoop;
    QNetworkAccessManager mgr;
    QObject::connect(&mgr, SIGNAL(finished(QNetworkReply*)), &eventLoop, SLOT(quit()));
    QNetworkRequest req( QUrl( QString("http://vh155924.eurodir.ru/qt_http.php?get=id")));
    QNetworkReply *reply = mgr.get(req);
    eventLoop.exec();
*/

/* POST REQUEST
    QEventLoop eventLoop;
    QNetworkAccessManager manager;
    QUrl url("http://vh155924.eurodir.ru/qt_http.php");
    QNetworkRequest request(url);
    request.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded");
    QObject::connect(&manager, SIGNAL(finished(QNetworkReply*)), &eventLoop, SLOT(quit()));
    QNetworkReply *reply = manager.post(request,"get=name");
    eventLoop.exec();
*/
    ui->label->setText(reply->readAll());
}