Qt上传文件到web接口

[墨香年少 32]

handle = new QFile(file);
handle->open(QIODevice::ReadOnly);

QByteArray byte_file = handle->readAll();
QNetworkRequest request(url);
request.setHeader(QNetworkRequest::ContentTypeHeader, QLatin1String("application/octet-stream"));

QString   disposition = QString("form-data; file_size=\"%1\"").arg(QString::number(file_size));
request.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant(disposition));

reply = AccessManage->post(request,byte_file);

connect(reply, SIGNAL(error(QNetworkReply::NetworkError)),this,SLOT(loadError(QNetworkReply::NetworkError)));
connect(reply, SIGNAL(uploadProgress(qint64 ,qint64)), this, SLOT(loadProgress(qint64 ,qint64)));