QT发送post请求

#-------------------------------------------------## Project created by QtCreator 2016-05-19T17:45:47##-------------------------------------------------QT       += core gui  sql  networkgreaterThan(QT_MAJOR_VERSION, 4): QT += widgetsTARGET = qt_demoTEMPLATE = appSOURCES += main.cpp\        mainwindow.cppHEADERS  += mainwindow.hFORMS    += mainwindow.ui  
#include "mainwindow.h"

#include "ui_mainwindow.h"

#include <QtNetwork/qnetworkaccessmanager.h>

#include <QtNetwork/qnetworkrequest.h>

MainWindow::MainWindow(QWidget *parent) :

    QMainWindow(parent),

    ui(new Ui::MainWindow)

{

    ui->setupUi(this);

}

MainWindow::~MainWindow()

{

    delete ui;

}

void MainWindow::on_pushButton_clicked()

{

    QNetworkAccessManager* manager=new QNetworkAccessManager(this);

     QNetworkRequest request;

     request.setUrl(QUrl("http://localhost:8080/demo/hello.jhtml"));

     QNetworkReply* reply=manager->get(request)；

}