Qt Demo Http 解析网址 Openssl

今天练习了一下Qt 解析http协议，在Demo中使用到了Openssl

一上午的时间都是编译openssl，不过还是没有成功，很遗憾，这里整理了有关这个Demo的本件

网盘连接:见下方评论吧，长传太慢了

不过虽然没有编译通过openssl。不过也不影响使用，可以直接下载现成的openssl库进行开发，只需要安装，并且把文件拷贝值Qt目录的bin文件夹下面即可

下载地址：http://slproweb.com/products/Win32OpenSSL.html

剩下的就是按照网上的教程，一步一步的来编写代码

软件截图

详细代码

这里需要在工程文件中加入网络模块

pro工程文件

#-------------------------------------------------

#

# Project created by QtCreator 2016-12-27T09:16:58

#

#-------------------------------------------------

QT       += core gui

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets network

TARGET = http_Project

TEMPLATE = app

SOURCES += main.cpp\

        widget.cpp

HEADERS  += widget.h

FORMS    += widget.ui

RC_FILE = ./source/Logo/http_icon.rc

头文件

#ifndef WIDGET_H

#define WIDGET_H

#include <QWidget>

#include <QtNetwork/QNetworkAccessManager>

#include <QtNetwork/QNetworkReply>

#include <QtNetwork/QNetworkRequest>

#include <QTimer>

#include <QString>

#include <QByteArray>

#include <QTextCodec>

#include <QMessageBox>

#include <QUrl>

namespace Ui {

class Widget;

}

class Widget : public QWidget

{

    Q_OBJECT

public:

    explicit Widget(QWidget *parent = 0);

    ~Widget();

    bool sendRequest(const QString& strUrl);

private slots:

    void slot_requestFinished();

    void slot_requestTimeout();

    void on_pushButton_clicked();

signals:

    void signal_requestFinished(bool bSuccess,const QString& strResult);

private:

    Ui::Widget *ui;

    QString m_serUrl;

    QNetworkAccessManager* m_pNetworkManager;

    QNetworkReply* m_pNetworkReply;

    QTimer* m_pTimer;

};

#endif // WIDGET_H

cpp文件

#include "widget.h"

#include "ui_widget.h"

#include <QDebug>

const int nHTTP_TIME = 10000;

Widget::Widget(QWidget *parent) :

    QWidget(parent),

    ui(new Ui::Widget)

{

    ui->setupUi(this);

    setWindowTitle("Http Demo");            //set window title

    ui->lineEdit_address->setToolTip("please input the address");

    ui->lineEdit_address->setPlaceholderText("please input the address");

    m_pNetworkManager = new QNetworkAccessManager(this);

    m_pNetworkReply = NULL;

    m_pTimer = new QTimer;

    connect(m_pTimer,SIGNAL(timeout()),this,SLOT(slot_requestTimeout()));

}

Widget::~Widget()

{

    m_pTimer->stop();

    delete ui;

}

bool Widget::sendRequest(const QString &strUrl)

{

    m_serUrl = strUrl;

    QNetworkRequest netRequest;

    netRequest.setHeader(QNetworkRequest::ContentTypeHeader,"application/x-www-from-urlencoded");

    netRequest.setUrl(QUrl(strUrl));

    if(strUrl.toLower().startsWith("https"))

    {

        QSslConfiguration sslConfig;

        sslConfig.setPeerVerifyMode(QSslSocket::VerifyNone);

        sslConfig.setProtocol(QSsl::TlsV1_1);

        netRequest.setSslConfiguration(sslConfig);

    }

    m_pNetworkReply = m_pNetworkManager->get(netRequest);

    connect(m_pNetworkReply,SIGNAL(finished()),this,SLOT(slot_requestFinished()));

    m_pTimer->start(nHTTP_TIME);

    qDebug()<<"sendRequest";

    return true;

}

void Widget::slot_requestFinished()

{

    m_pTimer->stop();

    QByteArray resultContent = m_pNetworkReply->readAll();

    QTextCodec* pCodec = QTextCodec::codecForName("UTF-8");

    QString strResult = pCodec->toUnicode(resultContent);

    int nHttpCode = m_pNetworkReply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();

    qDebug()<<"mHttpCode"<<nHttpCode;

    if(nHttpCode == 200)

    {

        ui->textEdit_result->setText(strResult);

        emit signal_requestFinished(true,strResult);

    }

    else

    {

        emit signal_requestFinished(false,strResult);

    }

    m_pNetworkReply->deleteLater();

//    this->deleteLater();

    qDebug()<<"requestFinish";

}

void Widget::slot_requestTimeout()

{

    emit signal_requestFinished(false ,"timeout");

    QMessageBox::warning(this,"Waring","Request False");

    m_pNetworkReply->deleteLater();

//    this->deleteLater();

}

void Widget::on_pushButton_clicked()

{

    QString str = ui->lineEdit_address->text().trimmed();

    sendRequest(str);

}