#include "mainwindow.h"#include "ui_mainwindow.h"//#include "datadboperation.h"MainWindow::MainWindow(QWidget *parent) : ???????QMainWindow(parent), ???????ui(new Ui::MainWindow){ ???????ui->setupUi(this); ???????QString strUserInfo = QString("name=%1&password=%2").arg(user).arg(passward); ???????QByteArray content = strUserInfo.toUtf8(); ???????int contentLength = content.length(); ???????QNetworkRequest netReq; ???????netReq.setUrl(QUrl("server ip address")); ???????netReq.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded"); ???????netReq.setHeader(QNetworkRequest::ContentLengthHeader, contentLength); ???????// 将用户名和密码发送至web服务器进行验证 ???????networkAccessManager = new QNetworkAccessManager(this); ???????// 发送参数 ???????networkAccessManager->post(netReq, content); ???????connect(networkAccessManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(SltLoginReplay(QNetworkReply*)));}void MainWindow::SltLoginReplay(QNetworkReply *reply){ ???????int statusCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt(); ???????qDebug() << "statusCode:" << statusCode; ???????if(reply->error() == QNetworkReply::NoError) ???????{ ???????????????qDebug() << reply->readAll(); ???????} ???????else ???????{ ???????????????qDebug() << "========="; ???????} ???????// At the end of that slot, we won‘t need it anymore ???????reply->deleteLater();}MainWindow::~MainWindow(){ ???????delete ui;}Qt post http请求使用
原文地址：http://blog.51cto.com/whylinux/2113027