C#泛型使用實例

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/// <summary>
        /// 获取数据列表
        /// </summary>
        /// <typeparam name="T">MODEL對象</typeparam>
        /// <param name="query">query對象</param>
        /// <param name="sortExpression">sortExpression</param>
        /// <param name="maximumRows">maximumRows</param>
        /// <param name="startRowIndex">startRowIndex</param>
        /// <returns></returns>
        public static IList<T> GetObjectList<T>(Query query, string sortExpression, int maximumRows, int startRowIndex) where T : Entity, new()
        {
            if (sortExpression == "")
            {
                sortExpression = "ID DESC";
            }
            query.Page = Mindscape.LightSpeed.Querying.Page.At(startRowIndex, maximumRows);
            query.Order = Order.Parse(sortExpression);

            IList<Entity> listx = UnitOfWorkFactory.UnitOfWorkScope.Current.Find(query);
            IList<T> list = new List<T>();
            foreach (Entity entity in listx)
            {
                list.Add((T)entity);
            }

            if (list.Count == 0)
            {
                list.Add(new T());
            }

            return list;
        }