Exemplo n.º 1
0
        internal static News[] GetNewsByAuthor(string author, LoadType loadType)
        {
            List <IMyDbParameter> prams = new List <IMyDbParameter>();

            prams.Add(DbParameterProxy.Create("Author", SqlDbType.NVarChar, "%" + author + "%"));

            News[] objs = PersisterService.LoadObjects <News>("[Author] like @Author order by ReadingQuantity desc", prams.ToArray(), loadType);

            return(objs);
        }
Exemplo n.º 2
0
        internal static News[] GetNewsByType(NewsType type, LoadType loadType)
        {
            List <IMyDbParameter> prams = new List <IMyDbParameter>();

            prams.Add(DbParameterProxy.Create("Type", SqlDbType.Int, (int)type));

            News[] objs = PersisterService.LoadObjects <News>("[Type]=@Type", prams.ToArray(), loadType);

            return(objs);
        }
Exemplo n.º 3
0
        private T LoadObjectDataBaseDirect <T>(string alias, string tableName, string id, bool isNolock) where T : SRO, new()
        {
            Type type = typeof(T);

            IDbOperate  dbOperate  = DbProxy.Create(alias, type);
            IDataReader dataReader = null;

            try
            {
                string sql = string.Format(isNolock ? SELECTSINGLEOBJECTWITHNOLOCK : SELECTSINGLEOBJECT, tableName);

                IMyDbParameter[] prams =
                {
                    DbParameterProxy.Create("@Id", SqlDbType.NVarChar, 32, id)
                };

                dataReader = dbOperate.GetDataReader(sql, prams);

                if (!dataReader.Read())
                {
                    return(default(T));
                }

                T obj = LoadObject <T>(dataReader);
                obj.CurrentAlias     = alias;
                obj.CurrentTableName = tableName;

                return(obj);
            }
            catch (Exception ex)
            {
                LogProxy.Error(ex, true);
                throw;
            }
            finally
            {
                if (dataReader != null)
                {
                    dataReader.Close();
                }
            }
        }
Exemplo n.º 4
0
        private static QueryOutDTO QueryConstructor(Type type, string tableName, string orderBy, string columnList, QueryInDTO inDto, out DataView dataView)
        {
            QueryOutDTO outDto = new QueryOutDTO();

            dataView = null;
            try
            {
                Dictionary <string, object> returnValue;

                IMyDbParameter[] prams =
                {
                    DbParameterProxy.Create("@TableName",   SqlDbType.NVarChar,                         50, tableName),
                    DbParameterProxy.Create("@OrderBy",     SqlDbType.NVarChar,                        500, orderBy),
                    DbParameterProxy.Create("@ColumnList",  SqlDbType.NVarChar,                        500, columnList),
                    DbParameterProxy.Create("@PageSize",    SqlDbType.Int,      inDto.PageSize),
                    DbParameterProxy.Create("@PageIndex",   SqlDbType.Int,      inDto.PageIndex),
                    DbParameterProxy.Create("@Condition",   SqlDbType.NVarChar,                       4000, inDto.Condition),
                    DbParameterProxy.Create("@PageCount",   SqlDbType.Int,      ParameterDirection.Output),
                    DbParameterProxy.Create("@RecordCount", SqlDbType.Int,      ParameterDirection.Output)
                };
                DataSet dataSet;

                IDbOperate dbOperate = DbProxy.Create(null, type);
                dbOperate.RunProcedure(PROPAGING, prams, out dataSet, out returnValue);
                dataView = dataSet.Tables[0].DefaultView;

                outDto.IsSucceed   = true;
                outDto.PageCount   = (int)returnValue["@PageCount"];
                outDto.RecordCount = (int)returnValue["@RecordCount"];
            }
            catch (Exception ex)
            {
                LogProxy.Error(ex, false);
                outDto.ErrorMsg = ex.Message;
            }

            return(outDto);
        }
Exemplo n.º 5
0
            private static IMyDbParameter ParameterBuilder(IMyPropertyInfo property, object pValue)
            {
                #region 构造 IMyDbParameter 开始
                Type pType = property.PropertyType;
                if (pType == INTTYPE)
                {
                    return(DbParameterProxy.Create(property.Name, SqlDbType.Int, pValue));
                }
                else if (pType == BOOLTYPE)
                {
                    return(DbParameterProxy.Create(property.Name, SqlDbType.Bit, pValue));
                }
                else if (pType == STRINGTYPE)
                {
                    if (property.StringDataType.Type == StringType.NVarchar)
                    {
                        if (property.StringDataType.IsMaxLength)
                        {
                            return(DbParameterProxy.Create(property.Name, SqlDbType.NVarChar, pValue));
                        }
                        else
                        {
                            string val = pValue as string;
                            if (!string.IsNullOrEmpty(val) && val.Length > property.StringDataType.Length)
                            {
                                LogProxy.Error(string.Format(LENGTHGAUGE, property.Name, val), true);
                            }

                            return(DbParameterProxy.Create(property.Name, SqlDbType.NVarChar, property.StringDataType.Length, pValue));
                        }
                    }
                    else
                    {
                        return(DbParameterProxy.Create(property.Name, SqlDbType.NText, pValue));
                    }
                }
                else if (pType == DATETIMETYPE)
                {
                    if ((DateTime)pValue == DateTime.MinValue)
                    {
                        return(DbParameterProxy.Create(property.Name, SqlDbType.DateTime, DBNull.Value));
                    }
                    else
                    {
                        return(DbParameterProxy.Create(property.Name, SqlDbType.DateTime, pValue));
                    }
                }
                else if (pType == DECIMALTYPE)
                {
                    return(DbParameterProxy.Create(property.Name, SqlDbType.Decimal, pValue));
                }
                else if (pType.IsEnum)
                {
                    return(DbParameterProxy.Create(property.Name, SqlDbType.Int, (int)pValue));
                }
                else if (pType == LONGTYPE)
                {
                    return(DbParameterProxy.Create(property.Name, SqlDbType.BigInt, pValue));
                }
                else if (pType == BYTESTYPE)
                {
                    return(DbParameterProxy.Create(property.Name, SqlDbType.Image, pValue));
                }
                else
                {
                    LogProxy.ErrorFormat(true, DATATYPEERROR, pType.ToString());
                    return(null);
                }
                #endregion 构造 IMyDbParameter 结束
            }
Exemplo n.º 6
0
        public static SRO LoadObject(Type type, string alias, string tableName, string id, LoadType loadType, bool isNolock)
        {
            if (string.IsNullOrEmpty(id))
            {
                LogProxy.Error(IDISNULL, true);
                return(null);
            }

            if (loadType != LoadType.DataBaseDirect)
            {
                SRO obj = LoadCacheObject(type, id) as SRO;

                if (loadType == LoadType.OnlyCache)
                {
                    return(obj);
                }

                if (obj != null)
                {
                    return(obj);
                }
            }

            IDbOperate  dbOperate  = DbProxy.Create(alias, type);
            IDataReader dataReader = null;

            try
            {
                string sql = string.Format(isNolock ? SELECTSINGLEOBJECTWITHNOLOCK : SELECTSINGLEOBJECT, tableName);

                IMyDbParameter[] prams =
                {
                    DbParameterProxy.Create("@Id", SqlDbType.NVarChar, 32, id)
                };

                dataReader = dbOperate.GetDataReader(sql, prams);

                if (!dataReader.Read())
                {
                    return(null);
                }

                SRO obj = LoadObject(type, dataReader);
                if (obj == null)
                {
                    return(null);
                }
                obj.CurrentAlias     = alias;
                obj.CurrentTableName = tableName;
                return(obj);
            }
            catch (Exception ex)
            {
                LogProxy.Error(ex, true);
                throw;
            }
            finally
            {
                if (dataReader != null)
                {
                    dataReader.Close();
                }
            }
        }