C#.NET 大型通用信息化系統集成快速開發平臺 4.1 版本 - 大數據分頁功能改進、數據權限改進

代碼生成器大數據分頁

 

下面參考代碼是簡易的數據權限的實現，大多狀況下下面的數據權限的功能能夠知足不少企業的須要了

        #region public DataTable GetDataTableByPage(BaseUserInfo userInfo, out int recordCount, int pageIndex = 0, int pageSize = 20, string sortExpression = null, string sortDire = null) 分頁查詢
        /// <summary>
        /// 分頁查詢
        /// </summary>
        /// <param name="userInfo">用戶</param>
        /// <param name="recordCount">記錄數</param>
        /// <param name="pageIndex">當前頁</param>
        /// <param name="pageSize">每頁顯示記錄條數</param>
        /// <param name="sortExpression">排序字段</param>
        /// <param name="sortDire">排序方向</param>
        /// <returns>數據表</returns>
        public DataTable GetDataTableByPage(BaseUserInfo userInfo, out int recordCount, int pageIndex = 0, int pageSize = 20, string sortExpression = null, string sortDire = null)
        {
            // 寫入調試信息
            #if (DEBUG)
                int milliStart = BaseBusinessLogic.StartDebug(userInfo, MethodBase.GetCurrentMethod());
            #endif

            // 加強安全驗證防止未登陸用戶調用
            #if (!DEBUG)
                LogOnService.UserIsLogOn(userInfo);
            #endif

            var dt = new DataTable(LanNiaoKeJiEntity.TableName);
            
            using (IDbHelper ucDbHelper = DbHelperFactory.GetHelper(BaseSystemInfo.UserCenterDbType))
            {
                try
                {
                    ucDbHelper.Open(UserCenterDbConnection);
                    BaseLogManager.Instance.Add(userInfo, this.serviceName, "取得列表", MethodBase.GetCurrentMethod());

                    using (IDbHelper dbHelper = DbHelperFactory.GetHelper(BaseSystemInfo.BusinessDbType))
                    {
                        try
                        {
                            dbHelper.Open(BusinessDbConnection);
                            // 取得列表
                            LanNiaoKeJiManager manager = new LanNiaoKeJiManager(dbHelper, userInfo);
                            string order = sortExpression + " " + sortDire;
                            string whereConditional = string.Empty;
                            List<IDbDataParameter> dbParameters = new List<IDbDataParameter>();
                            BaseUserManager userManager = new BaseUserManager();
                            if (userManager.IsInRoleByCode(userInfo, "User"))
                            {
                                // 普通用戶，只能看本身的
                                whereConditional = BaseBusinessLogic.FieldUserId + "=" + dbHelper.GetParameter(BaseBusinessLogic.FieldUserId);
                                dbParameters.Add(dbHelper.MakeParameter(BaseBusinessLogic.FieldUserId, userInfo.Id));
                            }
                            else if (userManager.IsInRoleByCode(userInfo, "DepartmentManager"))
                            {
                                // 部門主管，只能看本身部門的
                                whereConditional = BaseBusinessLogic.FieldDepartmentId + "=" + dbHelper.GetParameter(BaseBusinessLogic.FieldDepartmentId);
                                dbParameters.Add(dbHelper.MakeParameter(BaseBusinessLogic.FieldDepartmentId, userInfo.DepartmentId));
                            }
                            else if (userManager.IsInRoleByCode(userInfo, "CompanyManager"))
                            {
                                // 公司主管，只能看本身公司的
                                whereConditional = BaseBusinessLogic.FieldCompanyId + "=" + dbHelper.GetParameter(BaseBusinessLogic.FieldCompanyId);
                                dbParameters.Add(dbHelper.MakeParameter(BaseBusinessLogic.FieldCompanyId, userInfo.CompanyId));
                            }
                            else if (userManager.IsInRoleByCode(userInfo, "Manager"))
                            {
                                // 管理者，能夠看全部的，不限制條件
                            }
                            dt.TableName = LanNiaoKeJiEntity.TableName;
                        }
                        catch (Exception ex)
                        {
                            BaseExceptionManager.LogException(ucDbHelper, userInfo, ex);
                            throw;
                        }
                        finally
                        {
                            dbHelper.Close();
                        }
                    }
                }
                catch (Exception ex)
                {
                    BaseExceptionManager.LogException(ucDbHelper, userInfo, ex);
                    throw;
                }
                finally
                {
                    ucDbHelper.Close();
                }
            }

            // 寫入調試信息
            #if (DEBUG)
                BaseBusinessLogic.EndDebug(userInfo, MethodBase.GetCurrentMethod(), milliStart);
            #endif

            return dt;
        }
        #endregion