/// <summary>
        /// 插入用户;
        /// </summary>
        /// <param name="user">用户</param>
        /// <returns>受影响行数</returns>
        public int Insert(User user)
        {
            int rowAffected = 0;

            try
            {
                rowAffected = DapperSqlHelper.GetScalarFromSp <int>
                                  ("usp_insertUser"
                                  , new { user.No, user.Password, user.IsActivated });
            }
            catch (NotUniqueException)
            {
                throw new ApplicationException("您提交的用户号已存在");
            }
            catch (Exception)
            {
                throw;
            }
            return(rowAffected);
        }
 /// <summary>
 /// 查询用户;
 /// </summary>
 /// <param name="userNo">用户号</param>
 /// <returns>用户</returns>
 public User Select(string userNo)
 => DapperSqlHelper.GetScalarFromSp <User>
     ("usp_selectUser"
     , new { No = userNo });
 /// <summary>
 /// 更新用户;
 /// </summary>
 /// <param name="user">用户</param>
 /// <returns>受影响行数</returns>
 public int Update(User user)
 => DapperSqlHelper.GetScalarFromSp <int>
     ("usp_updateUser"
     , user);
 /// <summary>
 /// 查询用户计数;
 /// </summary>
 /// <param name="userNo">用户号</param>
 /// <returns>计数</returns>
 public int SelectCount(string userNo)
 => DapperSqlHelper.GetScalarFromSp <int>
     ("usp_selectUserCount"
     , new { No = userNo });