C++ QUrl函数代码示例

void
MainWindow::openSubIssue(void)
{
  QDesktopServices::openUrl(
    QUrl("https://github.com/rtxi/rtxi/issues", QUrl::TolerantMode));
}

void LoginDialog::setLoginUrl(const QString& url)
{
    //ui->webView->setUrl(QUrl(""));
    ui->webView->setUrl(QUrl(url));
}

QUrl PasswordsContentsWidget::getUrl() const
{
	return QUrl(QLatin1String("about:passwords"));
}

void QucsHelp::displaySelectedChapter(const QItemSelection & is)
{
  const QModelIndex index = is.indexes()[0];
  if(index.isValid())
    textBrowser->setSource(QUrl(QucsHelpDir.filePath(links[index.row()])));
}

 inline QUrl resolveUrl(const QString &url) const
 { return resolveUrl(QUrl(url)); }

void DialogPreferences::on_pushButtonOk_clicked()
{
    bool changed = false;
    bool urlChanged = false;
    quint8 number;
    QString string;

    string = _ui->lineEditHostlistUrl->text();

    if(!QUrl(string).isValid())
    {
        QMessageBox::critical(NULL, trUtf8("Error"), trUtf8("You have entered an invalid URL."));

        return;
    }

    number = _ui->comboBoxTestMode->currentIndex();

    switch(number)
    {
        case 0:
            number = TestMode::Info;
            break;
        case 1:
            number = TestMode::Ping;
            break;
        case 2:
            number = TestMode::Download;
            break;
        case 3:
            number = TestMode::All;
            break;
        default:
            number = TestMode::All;
    }

    if(number != TESTMODE)
    {
        changed = true;
        TESTMODE = (TestMode::Mode) number;
    }

    number = _ui->spinBoxPingsPerHost->value();

    if(number != PINGSPERHOST)
    {
        changed = true;
        PINGSPERHOST = number;
    }

    number = _ui->spinBoxPingThreads->value();

    if(number != PINGTHREADS)
    {
        changed = true;
        PINGTHREADS = number;
    }

    number = _ui->spinBoxPingTimeout->value();

    if(number != PINGTIMEOUTSECS)
    {
        changed = true;
        PINGTIMEOUTSECS = number;
    }

    number = _ui->spinBoxDownloadTestSecs->value();

    if(number != DOWNLOADTESTSECS)
    {
        changed = true;
        DOWNLOADTESTSECS = number;
    }

    if(string != HOSTLISTURL)
    {
        changed = true;
        urlChanged = true;
        HOSTLISTURL = string;
    }

    if(changed)
    {
        emit savePreferences();
    }

    if(urlChanged)
    {
        emit hostlistUrlChanged();
    }

    close();
}

//загрузка файла
void guBookUploader::uploadEbookData(ebook uploadEbook)
{
    QString uploadedMd5 = uploadEbook.MD5;
    //test
    serviceUrl = "http://localhost/lgws/service.php";
    QNetworkRequest *uploadEbookRequest;
    //TODO: вести лог
    uploadEbookRequest = new QNetworkRequest(QUrl(serviceUrl));
    QByteArray fileToSend; // byte array to be sent in POST
    if(!uploadEbook.inLib)
    {
        QFile uploadFile(uploadEbook.filePath);
        if (!uploadFile.open(QIODevice::ReadOnly))
        {
            //TODO: дать сигнал о том, что закачка провалилась так как не удалось открыть файл
            return;
        }

        fileToSend = uploadFile.readAll();
        uploadFile.close(); //расскомментировать
    }

    ////////////////////начало кода, взятого из "formpost"
    QString encodingS;
    encodingS = "utf-8";
    QString userAgentS;
    QString refererS;
    QStringList fieldNames;
    QStringList fieldValues;
    QStringList fileFieldNames;
    QStringList fileNames;
    QStringList fileMimes;
    QList<QByteArray> files;

    fieldNames << "xml";
    fieldValues << sendEbookInfoXML(uploadEbook);


    if(!uploadEbook.inLib)
    {
        fieldNames << "MAX_FILE_SIZE";
        fieldValues << QString::number(maxUploadFileSize);

        fileFieldNames << "uploadedfile";
        fileNames << uploadEbook.fileName +"."+ uploadEbook.fileExtension;

        fileMimes << "application/octet-stream";
        files << fileToSend;
    }
    QString crlf="\r\n";
    qsrand(QDateTime::currentDateTime().toTime_t());
    QString b=QVariant(qrand()).toString()+QVariant(qrand()).toString()+QVariant(qrand()).toString();
    QString boundary="---------------------------"+b;
    QString endBoundary=crlf+"--"+boundary+"--"+crlf;
    QString contentType="multipart/form-data; boundary="+boundary;
    boundary="--"+boundary+crlf;
    QByteArray bond=boundary.toAscii();
    QByteArray send;
    bool first=true;
    for (int i=0; i<fieldNames.size(); i++) {
        send.append(bond);
        if (first) {
            boundary=crlf+boundary;
            bond=boundary.toAscii();
            first=false;
        }
        send.append(QString("Content-Disposition: form-data; name=\""+fieldNames.at(i)+"\""+crlf).toAscii());
        if (encodingS=="utf-8") send.append(QString("Content-Transfer-Encoding: 8bit"+crlf).toAscii());
        send.append(crlf.toAscii());
        send.append(strToEnc(fieldValues.at(i),encodingS));
    }
    for (int i=0; i<files.size(); i++) {
        send.append(bond);
        send.append(QString("Content-Disposition: form-data; name=\""+fileFieldNames.at(i)+"\"; filename=\""+fileNames.at(i)+"\""+crlf).toAscii());
        send.append(QString("Content-Type: "+fileMimes.at(i)+crlf+crlf).toAscii());
        send.append(files.at(i));
    }

    send.append(endBoundary.toAscii());
    uploadEbookRequest->setHeader(QNetworkRequest::ContentLengthHeader, QVariant(send.size()).toString());
    uploadEbookRequest->setHeader(QNetworkRequest::ContentTypeHeader, contentType.toAscii());
    uploadEbookRequest->setRawHeader("Accept","text/html,text/xml,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
    uploadEbookRequest->setRawHeader("Accept-Charset","windows-1251,utf-8;q=0.7,*;q=0.7");
    uploadEbookRequest->setRawHeader("Accept-Encoding", "gzip,deflate");//,qcompress
    uploadEbookRequest->setRawHeader("Authorization", "Basic " + QByteArray(QString("%1:%2").arg("genesis").arg("upload").toAscii()).toBase64());

    uploadEbookRequest->setRawHeader("Connection","keep-alive");
    uploadEbookRequest->setRawHeader("Keep-Alive","115");
    uploadEbookRequest->setRawHeader("User-Agent","Mozilla/5.0 (Windows; U; Windows NT 6.1; ru; rv:1.9.2) Gecko/20100115 Firefox/3.6");
    QString host("free-books.dontexist.org");
    uploadEbookRequest->setRawHeader("Host",host.toAscii());
    uploadEbookRequest->setRawHeader("Referer","http://free-books.dontexist.com/librarian/");

    uploadEbookReply  *uplEbookReplyManager;
    QNetworkReply  *uplEbookReply;

    //    QFile file("out.txt");
    //        if (!file.open(QIODevice::WriteOnly))
    //            return;
//.........这里部分代码省略.........

void WebPage::setUserStylesheet() {
  QString data = QString("*, :before, :after { font-family: 'Arial' ! important; }").toUtf8().toBase64();
  QUrl url = QUrl(QString("data:text/css;charset=utf-8;base64,") + data);
  settings()->setUserStyleSheetUrl(url);
}

inline void KNMusicLyricsDownloader::networkProcess(int type,
                                                    const QString &url,
                                                    QByteArray &responseData,
                                                    const QByteArray &parameter,
                                                    const QVariant &cookie,
                                                    const QString &referer)
{
    //Stop the timer.
    m_timeout->stop();
    //Clear the data first.
    responseData.clear();
    m_networkManager->clearAccessCache();
    //Generate the request.
    QNetworkRequest currentRequest;
    //Set the data to request.
    currentRequest.setUrl(QUrl(url));
    if(!cookie.isNull())
    {
        currentRequest.setHeader(QNetworkRequest::CookieHeader,
                                 cookie);
    }
    if(!referer.isEmpty())
    {
        currentRequest.setRawHeader("Referer", referer.toStdString().data());
        currentRequest.setRawHeader("Origin", referer.toStdString().data());
    }
    //Generate the reply and quit handler.
    QNetworkReply *currentReply=nullptr;
    KNConnectionHandler quiterHandle;
    //Wait for response, using the event loop, generate the loop.
    QEventLoop stuckWaitingLoop;
    //Link the finished and timeout counter to quit loop.
    quiterHandle+=connect(m_networkManager, SIGNAL(finished(QNetworkReply*)),
                          &stuckWaitingLoop, SLOT(quit()));
    quiterHandle+=connect(m_timeout, SIGNAL(timeout()),
                          &stuckWaitingLoop, SLOT(quit()));
    //Do GET.
    switch(type)
    {
    case Post:
    {
        currentRequest.setHeader(QNetworkRequest::ContentTypeHeader,
                                 "application/x-www-form-urlencoded");
        currentRequest.setHeader(QNetworkRequest::ContentLengthHeader,
                                 parameter.size());
        currentReply=m_networkManager->post(currentRequest, parameter);
        break;
    }
    case Get:
    {
        currentReply=m_networkManager->get(currentRequest);
        break;
    }
    }
    //Start counting.
    m_timeout->start();
    //Start loop.
    stuckWaitingLoop.exec();
    //Disconnect all the links.
    quiterHandle.disconnectAll();
    //Check if there's reply.
    if(currentReply==nullptr)
    {
        return;
    }
    //Get the data.
    responseData=currentReply->readAll();
    //Clear the reply.
    delete currentReply;
}

QUrl toURL(const std::string& s) {
  return QUrl(toQString(s));
}

void TopologyDialog::refreshMap()
{
    ui->webView->load(QUrl("qrc:/final.html"));
    ui->webView->show();
}

void Check_for_updates::replyFinished()
{
  long long int n;

  char buf[128];

  int this_version,
      latest_version;

  QNetworkReply *reply = qobject_cast<QNetworkReply *>(sender());

  if(reply->error() != QNetworkReply::NoError)
  {
    reply->deleteLater();

    return;
  }

  if(reply->bytesAvailable() < 31)
  {
    reply->deleteLater();

    return;
  }

  n = reply->read(buf, 100);

  if(n < 31)
  {
    reply->deleteLater();

    return;
  }

  reply->deleteLater();

  buf[30] = 0;

  if(strncmp(buf, "EDFbrowser latest version: ", 27))
  {
    return;
  }

  if(is_integer_number(buf + 27))
  {
    return;
  }

  latest_version = atoi(buf + 27);

  if((latest_version < 1) || (latest_version > 1000000))
  {
    return;
  }

  sprintf(buf, PROGRAM_VERSION);

  buf[1] = buf[0];

  this_version = atoi(buf + 1);

  if(this_version >= latest_version)
  {
    return;
  }

  QMessageBox messagewindow(QMessageBox::Information,
                            "New version available",
                            "A newer version of EDFbrowser is available.\n"
                            "Do you want to download the new version now?",
                            QMessageBox::Yes | QMessageBox::No);

  if(messagewindow.exec() != QMessageBox::Yes)
  {
    return;
  }

  QDesktopServices::openUrl(QUrl("http://www.teuniz.net/edfbrowser/"));
}

/** @brief detects current system proxy
 *  @return QUrl with proxy or empty
 */
QUrl System::systemProxy(void)
{
#if defined(Q_OS_LINUX)
    return QUrl(getenv("http_proxy"));
#elif defined(Q_OS_WIN32)
    HKEY hk;
    wchar_t proxyval[80];
    DWORD buflen = 80;
    long ret;
    DWORD enable;
    DWORD enalen = sizeof(DWORD);

    ret = RegOpenKeyEx(HKEY_CURRENT_USER,
        _TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings"),
        0, KEY_QUERY_VALUE, &hk);
    if(ret != ERROR_SUCCESS) return QUrl("");

    ret = RegQueryValueEx(hk, _TEXT("ProxyServer"), NULL, NULL, (LPBYTE)proxyval, &buflen);
    if(ret != ERROR_SUCCESS) return QUrl("");

    ret = RegQueryValueEx(hk, _TEXT("ProxyEnable"), NULL, NULL, (LPBYTE)&enable, &enalen);
    if(ret != ERROR_SUCCESS) return QUrl("");

    RegCloseKey(hk);

    //qDebug() << QString::fromWCharArray(proxyval) << QString("%1").arg(enable);
    if(enable != 0)
        return QUrl("http://" + QString::fromWCharArray(proxyval));
    else
        return QUrl("");
#elif defined(Q_OS_MACX)

    CFDictionaryRef dictref;
    CFStringRef stringref;
    CFNumberRef numberref;
    int enable = 0;
    int port = 0;
    unsigned int bufsize = 0;
    char *buf;
    QUrl proxy;

    dictref = SCDynamicStoreCopyProxies(NULL);
    if(dictref == NULL)
        return proxy;
    numberref = (CFNumberRef)CFDictionaryGetValue(dictref, kSCPropNetProxiesHTTPEnable);
    if(numberref != NULL)
        CFNumberGetValue(numberref, kCFNumberIntType, &enable);
    if(enable == 1) {
        // get proxy string
        stringref = (CFStringRef)CFDictionaryGetValue(dictref, kSCPropNetProxiesHTTPProxy);
        if(stringref != NULL) {
            // get number of characters. CFStringGetLength uses UTF-16 code pairs
            bufsize = CFStringGetLength(stringref) * 2 + 1;
            buf = (char*)malloc(sizeof(char) * bufsize);
            if(buf == NULL) {
                qDebug() << "[System] can't allocate memory for proxy string!";
                CFRelease(dictref);
                return QUrl("");
            }
            CFStringGetCString(stringref, buf, bufsize, kCFStringEncodingUTF16);
            numberref = (CFNumberRef)CFDictionaryGetValue(dictref, kSCPropNetProxiesHTTPPort);
            if(numberref != NULL)
                CFNumberGetValue(numberref, kCFNumberIntType, &port);
            proxy.setScheme("http");
            proxy.setHost(QString::fromUtf16((unsigned short*)buf));
            proxy.setPort(port);

            free(buf);
            }
    }
    CFRelease(dictref);

    return proxy;
#else
    return QUrl("");
#endif
}

PageRunner::PageRunner(const QStringList& args)
    : QWebPage(0),
      out(stdout),
      err(stderr),
      view(new QWidget()) {

    QMap<QString, QString> settings = parseArguments(args);
    QStringList arguments = args.mid(settings.size() * 2);
    exportpdf = settings.value("export-pdf");
    exportpng = settings.value("export-png");
    url = QUrl(arguments[0]);
    nativeio = new NativeIO(this, QFileInfo(arguments[0]).dir(),
                            QDir::current());
    if (url.scheme() == "file" || url.isRelative()) {
        QFileInfo info(arguments[0]);
        url = QUrl::fromLocalFile(info.absoluteFilePath());
        if (!info.isReadable() || !info.isFile()) {
            QTextStream err(stderr);
            err << "Cannot read file '" + url.toString() + "'.\n";
            qApp->exit(1);
        }
    }
    nam = new NAM(this, QUrl(url).host(), QUrl(url).port());

    setNetworkAccessManager(nam);
    connect(this, SIGNAL(loadFinished(bool)), this, SLOT(finished(bool)));
    connect(mainFrame(), SIGNAL(javaScriptWindowObjectCleared()),
            this, SLOT(slotInitWindowObjects()));
    sawJSError = false;

    setView(view);
    scriptMode = arguments[0].endsWith(".js");
    if (scriptMode) {
        QByteArray html = "'" + arguments[0].toUtf8().replace('\'', "\\'")
                + "'";
        for (int i = 1; i < arguments.length(); ++i) {
            html += ",'" + arguments[i].toUtf8().replace('\'', "\\'") + "'";
        }
        html = "<html>"
                "<head><title></title>"
                "<script>var arguments=[" + html + "];</script>"
                "<script src=\"" + arguments[0].toUtf8() + "\"></script>";
        // add runtime modification
        html += "<script>//<![CDATA[\n" + getRuntimeBindings() +
             "if (typeof(runtime) !== 'undefined' && typeof(nativeio) !== 'undefined') {\n"
             "    runtime.libraryPaths = function () {"
             "        /* convert to javascript array */"
             "        var p = nativeio.libraryPaths(),"
             "            a = [], i;"
             "        for (i in p) { a[i] = p[i]; }"
             "        return a;"
             "    };}//]]></script>";
        html += "</head><body></body></html>\n";
        QTemporaryFile tmp("XXXXXX.html");
        tmp.setAutoRemove(true);
        tmp.open();
        tmp.write(html);
        tmp.close();
        QFileInfo info(tmp.fileName());
        mainFrame()->load(QUrl::fromLocalFile(info.absoluteFilePath()));
    } else {
        // Make the url absolute. If it is not done here, QWebFrame will do
        // it, and it will lose the query and fragment part.
        QUrl absurl;
        if (url.isRelative()) {
            absurl = QUrl::fromLocalFile(QFileInfo(url.toLocalFile()).absoluteFilePath());
            absurl.setQueryItems(url.queryItems());
            absurl.setFragment(url.fragment());
        } else {
            absurl = url;
        }
        mainFrame()->load(absurl);
    }
}

bool WebPage::loadURL(const QString link){
    // No need for network test, will be done in urlChanged
    b->loadurl(QUrl(link));
    return true;
}