if (orderByProperty != null)
            {
                query = isDescending ? query.OrderByDescending(orderByProperty) : query.OrderBy(orderByProperty);
            }
            else
            {
                // query = query.OrderBy(sortPropertyName, isDescending);
            }
            return query;
        }
        /// <summary>
        /// 根據條件查詢資料庫,並返回物件集合
        /// </summary>
        /// <param name="match">條件表示式</param>
        /// <param name="sortPropertyName">排序欄位</param>
        /// <param name="isDescending">如果為true則為降序，否則為升序</param>
        /// <returns></returns>
        public IList<T> Find(String collName, Expression<Func<T, bool>> match, string sortPropertyName, bool isDescending = true)
        {
            return GetQueryable(collName, match, sortPropertyName, isDescending).ToList();
        }
        /// <summary>
        /// 根據條件查詢資料庫,並返回物件集合
        /// </summary>
        /// <param name="query">條件表示式</param>
        /// <param name="sortPropertyName">排序欄位</param>
        /// <param name="isDescending">如果為true則為降序，否則為升序</param>
        /// <returns></returns>
        public IList<T> Find(String collName, FilterDefinition<T> query, string sortPropertyName, bool isDescending = true)
        {
            return GetQueryable(collName, query, sortPropertyName, isDescending).ToList();
        }
        /// <summary>
        /// 根據條件查詢資料庫,並返回物件集合
        /// </summary>
        /// <param name="match">條件表示式</param>
        /// <param name="orderByProperty">排序表示式</param>
        /// <param name="isDescending">如果為true則為降序，否則為升序</param>
        /// <returns></returns>
        public IList<T> Find<TKey>(String collName, Expression<Func<T, bool>> match, Expression<Func<T, TKey>> orderByProperty, bool isDescending = true)
        {
            return GetQueryable<TKey>(collName, match, orderByProperty, isDescending).ToList();
        }
        /// <summary>
        /// 根據條件查詢資料庫,如果存在返回第一個物件
        /// </summary>
        /// <param name="filter">條件表示式</param>
        /// <returns>存在則返回指定的第一個物件,否則返回預設值</returns>
        public T FindSingle(String collName, FilterDefinition<T> filter)
        {
            var coll = GetColletion(collName);
            return coll.Find(filter).FirstOrDefault();
        }
        ///// <summary>
        ///// 根據條件查詢資料庫,並返回物件集合(用於分頁資料顯示)
        ///// </summary>
        ///// <param name="query">條件表示式</param>
        ///// <param name="info">分頁實體</param>
        ///// <returns>指定物件的集合</returns>
        //public IList<T> FindWithPager(string collName, FilterDefinition<T> query, PagerInfo info, string orderByProperty, bool isDescending = true)
        //{
        //    int pageindex = (info.CurrenetPageIndex < 1) ? 1 : info.CurrenetPageIndex;
        //    int pageSize = (info.PageSize <= 0) ? 20 : info.PageSize;
        //    int excludedRows = (pageindex - 1) * pageSize;
        //    var find = GetQueryable(collName, query, orderByProperty, isDescending);
        //    info.RecordCount = (int)find.Count();
        //    return find.Skip(excludedRows).Limit(pageSize).ToList();
        //}
        /// <summary>
        /// 根據條件查詢資料庫,並返回物件集合(用於分頁資料顯示)
        /// </summary>
        /// <param name="match">條件表示式</param>
        /// <param name="info">分頁實體</param>
        /// <returns>指定物件的集合</returns>
        //public IList<T> FindWithPager(String collName, Expression<Func<T, bool>> match, PagerInfo info, string orderByProperty, bool isDescending = true)
        //{
        //    int pageindex = (info.CurrenetPageIndex < 1) ? 1 : info.CurrenetPageIndex;
        //    int pageSize = (info.PageSize <= 0) ? 20 : info.PageSize;