Cannot get QNetworkCookie from QNetworkReply

[MorrisLiang]

void onFinished(QNetworkRequest * reply)
{
....
QVariant v = reply->header(QNetworkRequest::SetCookieHeader);
QList<QVariant> list = v.toList();
QList<QNetworkCookie> c = qvariant_cast<QList<QNetworkCookie> >(list);
....
}

I have a http detect tool,it tells me that the response contains 4 pieces of cookie.
But after calling v.toList(),I get a list whose length is 0.
So,what's wrong with it?

[MorrisLiang]

I just find a post about this.
This code should be this to work:

QVariant v = reply->header(QNetworkRequest::SetCookieHeader);
QList<QNetworkCookie> c = qvariant_cast<QList<QNetworkCookie> >(v);

QVariant v = reply->header(QNetworkRequest::SetCookieHeader);
QList<QNetworkCookie> c = qvariant_cast<QList<QNetworkCookie> >(v);

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