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QNetworkAccessManager *net = new QNetworkAccessManager(this);
QUrl url(path);
QNetworkReply *reply = net->get(QNetworkRequest(url));
QObject::connect(reply, &QNetworkReply::finished, [reply, this] () {
if (reply->error() == QNetworkReply::NoError) {
} else {
}
reply->deleteLater();
});