public EQRInfo QR_GetById(long Id, QRType qrType)
{
return(DBQRInfo.Where(a => a.ID == Id && a.Type == qrType).FirstOrDefault());
}
public Boolean IsExistQR(string openId, string name, QRType qrType)
{
int i = DBQRInfo.Count(u => u.OwnnerOpenId == openId && u.Name == name && u.Type == qrType);
return(i > 0);
}
