http new QHttp this buf new QBuffer this buf- open QBuffer ReadWrite Q

 http = new QHttp(this);
 buf = new QBuffer(this);
 buf->open(QBuffer::ReadWrite);
 QUrl url("http://localhost/index.php");
     QByteArray path = QUrl::toPercentEncoding(url.path(), "!$&'()*+,;=:@/");
     if (path.isEmpty())
         path = "/";
    QHttpRequestHeader header("GET", QUrl::toPercentEncoding(path));
    header.addValue("Cache-Control", "no-cache");
    http->setHost(url.host());
    header.addValue("Host", url.host());
    header.addValue("Accept","*/*");
 QHttp::ConnectionMode mode = url.scheme().toLower() == "https" ? QHttp::ConnectionModeHttps : QHttp::ConnectionModeHttp;
     http->setHost(url.host(), mode, url.port() == -1 ? 0 : url.port());
     http->request(header, buf);