示例#1
0
文件: Session.cs 项目: fox009521/xapp
        public List <T> Find <T>(string strSQL, ParamMap param) where T : new()
        {
            List <T>      list       = new List <T>();
            IDataReader   sdr        = null;
            IDbConnection connection = null;

            try
            {
                connection = GetConnection();
                bool closeConnection = GetWillConnectionState();

                string lowerSQL = strSQL.ToLower();
                String columns  = SQLBuilderHelper.fetchColumns(lowerSQL);

                T              entity     = new T();
                Type           classType  = entity.GetType();
                PropertyInfo[] properties = ReflectionHelper.GetProperties(classType);
                TableInfo      tableInfo  = EntityHelper.GetTableInfo(entity, DbOperateType.SELECT, properties);
                if (param.IsPage && !SQLBuilderHelper.isPage(lowerSQL))
                {
                    strSQL = SQLBuilderHelper.builderPageSQL(strSQL, param.OrderFields, param.IsDesc);
                }

                if (AdoHelper.DbType == DatabaseType.ACCESS)
                {
                    strSQL = SQLBuilderHelper.builderAccessPageSQL(strSQL, param);
                }

                sdr = AdoHelper.ExecuteReader(closeConnection, connection, CommandType.Text, strSQL, param.toDbParameters());

                list = EntityHelper.toList <T>(sdr, tableInfo, properties);
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                if (sdr != null)
                {
                    sdr.Close();
                }
            }

            return(list);
        }
示例#2
0
文件: Session.cs 项目: fox009521/xapp
        public PageResult <T> FindPage <T>(string strSQL, ParamMap param) where T : new()
        {
            PageResult <T> pageResult = new PageResult <T>();
            List <T>       list       = new List <T>();
            IDataReader    sdr        = null;
            IDbConnection  connection = null;

            try
            {
                connection = GetConnection();
                bool closeConnection = GetWillConnectionState();

                strSQL = strSQL.ToLower();
                String countSQL = SQLBuilderHelper.builderCountSQL(strSQL);
                String columns  = SQLBuilderHelper.fetchColumns(strSQL);

                int count = this.Count(countSQL, param);

                T    entity    = new T();
                Type classType = entity.GetType();

                PropertyInfo[] properties = ReflectionHelper.GetProperties(classType);
                TableInfo      tableInfo  = EntityHelper.GetTableInfo(entity, DbOperateType.SELECT, properties);
                if (param.IsPage && !SQLBuilderHelper.isPage(strSQL))
                {
                    strSQL = SQLBuilderHelper.builderPageSQL(strSQL, param.OrderFields, param.IsDesc);
                }

                if (AdoHelper.DbType == DatabaseType.ACCESS)
                {
                    if (param.getInt("page_offset") > count)
                    {
                        int limit = param.getInt("page_limit") + count - param.getInt("page_offset");
                        if (limit > 0)
                        {
                            strSQL = SQLBuilderHelper.builderAccessPageSQL(strSQL, param, limit);
                            sdr    = AdoHelper.ExecuteReader(closeConnection, connection, CommandType.Text, strSQL, param.toDbParameters());
                            list   = EntityHelper.toList <T>(sdr, tableInfo, properties);
                        }
                    }
                    else
                    {
                        strSQL = SQLBuilderHelper.builderAccessPageSQL(strSQL, param);
                        sdr    = AdoHelper.ExecuteReader(closeConnection, connection, CommandType.Text, strSQL, param.toDbParameters());
                        list   = EntityHelper.toList <T>(sdr, tableInfo, properties);
                    }
                }
                else
                {
                    sdr  = AdoHelper.ExecuteReader(closeConnection, connection, CommandType.Text, strSQL, param.toDbParameters());
                    list = EntityHelper.toList <T>(sdr, tableInfo, properties);
                }
                pageResult.Total    = count;
                pageResult.DataList = list;
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                if (sdr != null)
                {
                    sdr.Close();
                }
            }

            return(pageResult);
        }