QString Token::obter_token(QString endereco_servidor, QJsonObject dados)
{
    QUrl url = endereco_servidor;
    url.setPath("/cotacao/Api/login");
    qDebug() << "Key teste";

    QNetworkRequest request(url);
    request.setHeader(QNetworkRequest::ContentTypeHeader, QLatin1String("application/json"));

    QNetworkReply *reply = m_nam->post(request, QJsonDocument(dados).toJson());
    qDebug() << url;


    connect(reply, &QNetworkReply::finished, this, [this, reply] () {
        reply->deleteLater();
        //        qDebug() << "todo conteúdo " << reply->readAll();
        const QJsonDocument doc = QJsonDocument::fromJson(reply->readAll());
        const QJsonObject obj = doc.object();
        if (obj.isEmpty()) {
            qCritical() << "Endereço do Servidor2 não encontrado";
//            return nullptr;
        }
        //        qDebug() << obj["upload_data"]["full_path"];
        foreach (const QString &key, obj.keys()) {
            QJsonValue value = obj.value(key);
            //            QJsonValue value = obj.value(key)["full_path"];
            if (value.isString()) {
                qDebug() << "Key =" << key << ", Value =" << value.toString();
            } else if (value.isDouble()) {
                qDebug() << "Key =" << key << ", Value =" << value.toInt();
            } else {
                qDebug() << "Key =" << key << ", Value =" << value;
            }
            if (value == "Expired token") {
                qDebug() << "Token expirado";
                qDebug() << "Token" << value.toString();
//                return nullptr;
                //                break;
            }
        }

    });

    return nullptr;
}