//获得用户的收藏19 ok
        public List<Commodity> GetUserCollectItems(String UserName)
        {
            List<Commodity> CommodityiList = new List<Commodity>();
            //数据访存器
            DatabaseAccess.DataClasses1DataContext DBAccessor = new DataClasses1DataContext();

            try
            {
                ISingleResult<getCollectByUserResult> resultList = DBAccessor.getCollectByUser(UserName);

                foreach (getCollectByUserResult result in resultList)
                {
                    Commodity commodity = new Commodity();
                    commodity.ID = result.id;
                    commodity.Name = result.name;
                    commodity.UserName = result.userfrom;
                    commodity.description = result.discription;
                    commodity.StartTime = (DateTime)result.starttime;
                    commodity.EndTime = (DateTime)result.endtime;
                    commodity.kind = (CommodityKind)(int)result.kind;
                    commodity.Price = (double)result.price;
                    commodity.ImageUrl = result.picturepath;
                    commodity.popularity = (int)result.popularity;
                    commodity.tagList = new List<Tag>();
                    //下面获得商品的Tag列表
                    ISingleResult<getTagByCommodityResult> TagResultList = DBAccessor.getTagByCommodity(result.id);

                    foreach (getTagByCommodityResult Tagresult in TagResultList)
                    {
                        Tag tag = new Tag();
                        tag.name = Tagresult.id;
                        tag.popularity = (int)Tagresult.popularity;
                        commodity.tagList.Add(tag);
                    }
                    CommodityiList.Add(commodity);
                }
            }
            catch(Exception e)
            {

            }

            return CommodityiList;
        }