/// <summary>
        /// 删除实体
        /// </summary>
        /// <param name="userInfo">用户</param>
        /// <param name="id">主键</param>
        /// <returns>影响行数</returns>
        public int Delete(BaseUserInfo userInfo, string id)
        {
            // 写入调试信息
            #if (DEBUG)
                int milliStart = BaseBusinessLogic.StartDebug(userInfo, MethodBase.GetCurrentMethod());
            #endif

            // 加强安全验证防止未授权匿名调用
            #if (!DEBUG)
                LogOnService.UserIsLogOn(userInfo);
            #endif

            int returnValue = 0;
            using (IDbHelper dbHelper = DbHelperFactory.GetHelper(BaseSystemInfo.UserCenterDbType))
            {
                try
                {
                    dbHelper.Open(UserCenterDbConnection);
                    string tableName = BasePermissionItemEntity.TableName;
                    if (!string.IsNullOrEmpty(BaseSystemInfo.SystemCode))
                    {
                        tableName = BaseSystemInfo.SystemCode + "PermissionItem";
                    }
                    BasePermissionItemManager permissionItemManager = new BasePermissionItemManager(dbHelper, userInfo, tableName);
                    returnValue = permissionItemManager.Delete(id);
                    BaseLogManager.Instance.Add(dbHelper, userInfo, this.serviceName, AppMessage.PermissionItemService_Delete, MethodBase.GetCurrentMethod());
                }
                catch (Exception ex)
                {
                    BaseExceptionManager.LogException(dbHelper, userInfo, ex);
                    throw ex;
                }
                finally
                {
                    dbHelper.Close();
                }
            }

            // 写入调试信息
            #if (DEBUG)
                BaseBusinessLogic.EndDebug(MethodBase.GetCurrentMethod(), milliStart);
            #endif

            return returnValue;
        }
        /// <summary>
        /// 删除权限
        /// </summary>
        /// <param name="userInfo">用户</param>
        /// <param name="permissionItemCode">权限编号</param>
        /// <returns>影响行数</returns>
        public int DeletePermission(BaseUserInfo userInfo, string permissionItemCode)
        {
            // 加强安全验证防止未授权匿名调用
            #if (!DEBUG)
                LogOnService.UserIsLogOn(userInfo);
            #endif

            int returnValue = 0;
            using (IDbHelper dbHelper = DbHelperFactory.GetHelper(BaseSystemInfo.UserCenterDbType))
            {
                try
                {
                    dbHelper.Open(UserCenterDbConnection);
                    BasePermissionItemManager permissionItemManager = new BasePermissionItemManager(dbHelper, userInfo);
                    string id = permissionItemManager.GetId(new KeyValuePair<string, object>(BasePermissionItemEntity.FieldCode, permissionItemCode));
                    if (!String.IsNullOrEmpty(id))
                    {
                        // 在删除时,可能会把相关的其他配置权限会删除掉,所以需要调用这个方法。
                        returnValue = permissionItemManager.Delete(id);
                    }
                }
                catch (Exception ex)
                {
                    BaseExceptionManager.LogException(dbHelper, userInfo, ex);
                    throw ex;
                }
                finally
                {
                    dbHelper.Close();
                }
            }

            return returnValue;
        }