/// <summary> /// 读取记录列表。 /// </summary> /// <param name="db">数据库操作对象</param> /// <param name="columns">需要返回的列,不提供任何列名时默认将返回所有列</param> public IList <DisCountEntity> GetDisCountAll() { string sql = @"SELECT [Id],[DisCountCode],[DisCountName],[DisType],[DiscountRate],[DiscountAmt],[SellerId],[IsActive],[IsDefault] from dbo.[DisCount] WITH(NOLOCK) "; IList <DisCountEntity> entityList = new List <DisCountEntity>(); DbCommand cmd = db.GetSqlStringCommand(sql); using (IDataReader reader = db.ExecuteReader(cmd)) { while (reader.Read()) { DisCountEntity entity = new DisCountEntity(); entity.Id = StringUtils.GetDbInt(reader["Id"]); entity.DisCountCode = StringUtils.GetDbString(reader["DisCountCode"]); entity.DisCountName = StringUtils.GetDbString(reader["DisCountName"]); entity.DisType = StringUtils.GetDbInt(reader["DisType"]); entity.DiscountRate = StringUtils.GetDbDouble(reader["DiscountRate"]); entity.DiscountAmt = StringUtils.GetDbDecimal(reader["DiscountAmt"]); entity.SellerId = StringUtils.GetDbInt(reader["SellerId"]); entity.IsActive = StringUtils.GetDbInt(reader["IsActive"]); entity.IsDefault = StringUtils.GetDbInt(reader["IsDefault"]); entityList.Add(entity); } } return(entityList); }
/// <summary> /// 判断当前节点是否已存在相同的 /// </summary> /// <param name="entity"></param> /// <returns></returns> public int ExistNum(DisCountEntity entity) { ///id=0,判断总数,ID>0判断除自己之外的总数 string sql = @"Select count(1) from dbo.[DisCount] WITH(NOLOCK) "; string where = "where "; if (entity.Id == 0) { where = where + " (DisCountName=@DisCountName) "; } else { where = where + " id<>@Id and (DisCountName=@DisCountName) "; } sql = sql + where; DbCommand cmd = db.GetSqlStringCommand(sql); if (entity.Id > 0) { db.AddInParameter(cmd, "@Id", DbType.Int32, entity.Id); } db.AddInParameter(cmd, "@DisCountName", DbType.String, entity.DisCountName); object identity = db.ExecuteScalar(cmd); if (identity == null || identity == DBNull.Value) { return(0); } return(Convert.ToInt32(identity)); }
/// <summary> /// 根据主键值读取记录。如果数据库不存在这条数据将返回null /// </summary> /// <param name="db">数据库操作对象</param> /// <param name="columns">需要返回的列,不提供任何列名时默认将返回所有列</param> public DisCountEntity GetDisCount(int id) { string sql = @"SELECT [Id],[DisCountCode],[DisCountName],[DisType],[DiscountRate],[DiscountAmt],[SellerId],[IsActive],[IsDefault] FROM dbo.[DisCount] WITH(NOLOCK) WHERE [Id]=@id" ; DbCommand cmd = db.GetSqlStringCommand(sql); db.AddInParameter(cmd, "@Id", DbType.Int32, id); DisCountEntity entity = new DisCountEntity(); using (IDataReader reader = db.ExecuteReader(cmd)) { if (reader.Read()) { entity.Id = StringUtils.GetDbInt(reader["Id"]); entity.DisCountCode = StringUtils.GetDbString(reader["DisCountCode"]); entity.DisCountName = StringUtils.GetDbString(reader["DisCountName"]); entity.DisType = StringUtils.GetDbInt(reader["DisType"]); entity.DiscountRate = StringUtils.GetDbDouble(reader["DiscountRate"]); entity.DiscountAmt = StringUtils.GetDbDecimal(reader["DiscountAmt"]); entity.SellerId = StringUtils.GetDbInt(reader["SellerId"]); entity.IsActive = StringUtils.GetDbInt(reader["IsActive"]); entity.IsDefault = StringUtils.GetDbInt(reader["IsDefault"]); } } return(entity); }
/// <summary> /// 读取记录列表。 /// </summary> /// <param name="db">数据库操作对象</param> /// <param name="columns">需要返回的列,不提供任何列名时默认将返回所有列</param> public IList <DisCountEntity> GetDisCountList(int pagesize, int pageindex, ref int recordCount) { string sql = @"SELECT [Id],[DisCountCode],[DisCountName],[DisType],[DiscountRate],[DiscountAmt],[SellerId],[IsActive],[IsDefault] FROM (SELECT ROW_NUMBER() OVER (ORDER BY Id desc) AS ROWNUMBER, [Id],[DisCountCode],[DisCountName],[DisType],[DiscountRate],[DiscountAmt],[SellerId],[IsActive],[IsDefault] from dbo.[DisCount] WITH(NOLOCK) WHERE 1=1 ) as temp where rownumber BETWEEN ((@PageIndex - 1) * @PageSize + 1) AND @PageIndex * @PageSize" ; string sql2 = @"Select count(1) from dbo.[DisCount] with (nolock) "; IList <DisCountEntity> entityList = new List <DisCountEntity>(); DbCommand cmd = db.GetSqlStringCommand(sql); db.AddInParameter(cmd, "@PageIndex", DbType.Int32, pageindex); db.AddInParameter(cmd, "@PageSize", DbType.Int32, pagesize); using (IDataReader reader = db.ExecuteReader(cmd)) { while (reader.Read()) { DisCountEntity entity = new DisCountEntity(); entity.Id = StringUtils.GetDbInt(reader["Id"]); entity.DisCountCode = StringUtils.GetDbString(reader["DisCountCode"]); entity.DisCountName = StringUtils.GetDbString(reader["DisCountName"]); entity.DisType = StringUtils.GetDbInt(reader["DisType"]); entity.DiscountRate = StringUtils.GetDbDouble(reader["DiscountRate"]); entity.DiscountAmt = StringUtils.GetDbDecimal(reader["DiscountAmt"]); entity.SellerId = StringUtils.GetDbInt(reader["SellerId"]); entity.IsActive = StringUtils.GetDbInt(reader["IsActive"]); entity.IsDefault = StringUtils.GetDbInt(reader["IsDefault"]); entityList.Add(entity); } } cmd = db.GetSqlStringCommand(sql2); using (IDataReader reader = db.ExecuteReader(cmd)) { if (reader.Read()) { recordCount = StringUtils.GetDbInt(reader[0]); } else { recordCount = 0; } } return(entityList); }
/// <summary> /// 根据主键值更新记录的全部字段(注意:该方法不会对自增字段、timestamp类型字段以及主键字段更新!如果要更新主键字段,请使用Update方法)。 /// 如果数据库有数据被更新了则返回True,否则返回False /// </summary> /// <param name="db">数据库操作对象</param> /// <param name="disCount">待更新的实体对象</param> public int UpdateDisCount(DisCountEntity entity) { string sql = @" UPDATE dbo.[DisCount] SET [DisCountCode]=@DisCountCode,[DisCountName]=@DisCountName,[DisType]=@DisType,[DiscountRate]=@DiscountRate,[DiscountAmt]=@DiscountAmt,[SellerId]=@SellerId,[IsActive]=@IsActive,[IsDefault]=@IsDefault WHERE [Id]=@id"; DbCommand cmd = db.GetSqlStringCommand(sql); db.AddInParameter(cmd, "@Id", DbType.Int32, entity.Id); db.AddInParameter(cmd, "@DisCountCode", DbType.String, entity.DisCountCode); db.AddInParameter(cmd, "@DisCountName", DbType.String, entity.DisCountName); db.AddInParameter(cmd, "@DisType", DbType.Int32, entity.DisType); db.AddInParameter(cmd, "@DiscountRate", DbType.Double, entity.DiscountRate); db.AddInParameter(cmd, "@DiscountAmt", DbType.Decimal, entity.DiscountAmt); db.AddInParameter(cmd, "@SellerId", DbType.Int32, entity.SellerId); db.AddInParameter(cmd, "@IsActive", DbType.Int32, entity.IsActive); db.AddInParameter(cmd, "@IsDefault", DbType.Int32, entity.IsDefault); return(db.ExecuteNonQuery(cmd)); }
/// <summary> /// 插入一条记录到表DisCount,如果表中存在自增字段,则返回值为新记录的自增字段值,否则返回0。 /// 该方法提供给界面等UI层调用 /// </summary> /// <param name="disCount">要添加的DisCount数据实体对象</param> public int AddDisCount(DisCountEntity disCount) { if (disCount.Id > 0) { return(UpdateDisCount(disCount)); } else if (string.IsNullOrEmpty(disCount.DisCountName)) { return((int)CommonStatus.ADD_Fail_Empty); } else if (DisCountBLL.Instance.IsExist(disCount)) { return((int)CommonStatus.ADD_Fail_Exist); } else { return(DisCountDA.Instance.AddDisCount(disCount)); } }
/// <summary> /// 插入一条记录到表DisCount,如果表中存在自增字段,则返回值为新记录的自增字段值,否则返回0 /// </summary> /// <param name="db">数据库操作对象</param> /// <param name="disCount">待插入的实体对象</param> public int AddDisCount(DisCountEntity entity) { string sql = @"insert into DisCount( [DisCountCode],[DisCountName],[DisType],[DiscountRate],[DiscountAmt],[SellerId],[IsActive],[IsDefault])VALUES ( @DisCountCode,@DisCountName,@DisType,@DiscountRate,@DiscountAmt,@SellerId,@IsActive,@IsDefault); SELECT SCOPE_IDENTITY();" ; DbCommand cmd = db.GetSqlStringCommand(sql); db.AddInParameter(cmd, "@DisCountCode", DbType.String, entity.DisCountCode); db.AddInParameter(cmd, "@DisCountName", DbType.String, entity.DisCountName); db.AddInParameter(cmd, "@DisType", DbType.Int32, entity.DisType); db.AddInParameter(cmd, "@DiscountRate", DbType.Double, entity.DiscountRate); db.AddInParameter(cmd, "@DiscountAmt", DbType.Decimal, entity.DiscountAmt); db.AddInParameter(cmd, "@SellerId", DbType.Int32, entity.SellerId); db.AddInParameter(cmd, "@IsActive", DbType.Int32, entity.IsActive); db.AddInParameter(cmd, "@IsDefault", DbType.Int32, entity.IsDefault); object identity = db.ExecuteScalar(cmd); if (identity == null || identity == DBNull.Value) { return(0); } return(Convert.ToInt32(identity)); }
/// <summary> /// 更新一条DisCount记录。 /// 该方法提供给界面等UI层调用 /// </summary> /// <param name="disCount">待更新的实体对象</param> /// <param name="columns">要更新的列名,不提供任何列名时默认将更新主键之外的所有列</param> public int UpdateDisCount(DisCountEntity disCount) { return(DisCountDA.Instance.UpdateDisCount(disCount)); }
/// <summary> /// 判断对象是否存在 /// </summary> /// <param name="dicEnum"></param> /// <returns></returns> public bool IsExist(DisCountEntity disCount) { return(DisCountDA.Instance.ExistNum(disCount) > 0); }