QHttp get AND get field

Hi!
I've a simple code to download "path" file to "file" on my disk.

Code:

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QHttp *http = new QHttp(this);
    connect(http, SIGNAL(requestFinished(int, bool)), this, SLOT(httpRequestFinished(int, bool)));
    QUrl url(StrUrl);
    file = new QFile(fileName);
    if (!file->open(QIODevice::WriteOnly)) {
        qDebug() << "open file error";
        delete file;
        file = 0;
        return;
    }
    QHttp::ConnectionMode mode = url.scheme().toLower() == "https" ? QHttp::ConnectionModeHttps : QHttp::ConnectionModeHttp;
    http->setHost(url.host(), mode, url.port() == -1 ? 0 : url.port());
    QByteArray path = QUrl::toPercentEncoding(url.path(), "!$&'()*+,;=:@/");
    httpGetId = http->get(path, file);

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If i write path like:

Code:

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http://www.qtcentre.org/forum/newthread.php

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i's doing right, but when I connect to get fields (ex. do=newthread&f=4) to string

Code:

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http://www.qtcentre.org/forum/newthread.php?do=newthread&f=4

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the get field is not pas :/

I'm using simple code in PHP to test

Code:

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echo 'OK';
print_r($_REQUEST);

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And I get empty $_REQUEST :/