Base64 加密解密

QString GlobalCNN::base64_encoded(QString strText)
{

QByteArray passArray = strText.toLatin1();
QByteArray passEnCrypt = passArray.toBase64();
return QString(passEnCrypt);
}

QString GlobalCNN::base64_decoded(QString str)
{
QByteArray tmpArray = str.toLatin1();
QByteArray tempArray = QByteArray::fromBase64(tmpArray);
QString result="";
result.append(tempArray);
return result;
}