file_ = new QFile(GetDownloadName());
file_->open(QIODevice::Append);
QUrl url(downloadURL_);
http_.setHost(url.host());
QHttpRequestHeader header("GET", url.path());
[b]header.addValue("Range", "bytes 21010-47021/47022");[/b]
qDebug()<<header.toString();
http_.request(header,0, file_);
i want document
header.addValue("Range", "bytes 21010-47021/47022");