/// <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 XTCodeEntity GetXTCode(int id) { string sql = @"SELECT [Id],[Code],[Name],[HasPre],[NeedDate],[NumLen],[FillChar] FROM dbo.[XTCode] WITH(NOLOCK) WHERE [Id]=@id" ; DbCommand cmd = db.GetSqlStringCommand(sql); db.AddInParameter(cmd, "@Id", DbType.Int32, id); XTCodeEntity entity = new XTCodeEntity(); using (IDataReader reader = db.ExecuteReader(cmd)) { if (reader.Read()) { entity.Id = StringUtils.GetDbInt(reader["Id"]); entity.Code = StringUtils.GetDbString(reader["Code"]); entity.Name = StringUtils.GetDbString(reader["Name"]); entity.HasPre = StringUtils.GetDbInt(reader["HasPre"]); entity.NeedDate = StringUtils.GetDbInt(reader["NeedDate"]); entity.NumLen = StringUtils.GetDbInt(reader["NumLen"]); entity.FillChar = StringUtils.GetDbString(reader["FillChar"]); } } return(entity); }
/// <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(XTCodeEntity 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.[XTCode] WITH(NOLOCK) "; string where = "where "; if (entity.Id == 0) { where = where + " (Name=@Name) "; } else { where = where + " id<>@Id and (Name=@Name) "; } sql = sql + where; DbCommand cmd = db.GetSqlStringCommand(sql); if (entity.Id > 0) { db.AddInParameter(cmd, "@Id", DbType.Int32, entity.Id); } db.AddInParameter(cmd, "@Name", DbType.String, entity.Name); object identity = db.ExecuteScalar(cmd); if (identity == null || identity == DBNull.Value) { return(0); } return(Convert.ToInt32(identity)); }
/// <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="xTCode">待更新的实体对象</param> public int UpdateXTCode(XTCodeEntity entity) { string sql = @" UPDATE dbo.[XTCode] SET [Code]=@Code,[Name]=@Name,[HasPre]=@HasPre,[NeedDate]=@NeedDate,[NumLen]=@NumLen,[FillChar]=@FillChar WHERE [Id]=@id"; DbCommand cmd = db.GetSqlStringCommand(sql); db.AddInParameter(cmd, "@Id", DbType.Int32, entity.Id); db.AddInParameter(cmd, "@Code", DbType.String, entity.Code); db.AddInParameter(cmd, "@Name", DbType.String, entity.Name); db.AddInParameter(cmd, "@HasPre", DbType.Int32, entity.HasPre); db.AddInParameter(cmd, "@NeedDate", DbType.Int32, entity.NeedDate); db.AddInParameter(cmd, "@NumLen", DbType.Int32, entity.NumLen); db.AddInParameter(cmd, "@FillChar", DbType.String, entity.FillChar); return(db.ExecuteNonQuery(cmd)); }
/// <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 <XTCodeEntity> GetXTCodeList(int pagesize, int pageindex, ref int recordCount) { string sql = @"SELECT [Id],[Code],[Name],[HasPre],[NeedDate],[NumLen],[FillChar] FROM (SELECT ROW_NUMBER() OVER (ORDER BY Id desc) AS ROWNUMBER, [Id],[Code],[Name],[HasPre],[NeedDate],[NumLen],[FillChar] from dbo.[XTCode] WITH(NOLOCK) WHERE 1=1 ) as temp where rownumber BETWEEN ((@PageIndex - 1) * @PageSize + 1) AND @PageIndex * @PageSize" ; string sql2 = @"Select count(1) from dbo.[XTCode] with (nolock) "; IList <XTCodeEntity> entityList = new List <XTCodeEntity>(); 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()) { XTCodeEntity entity = new XTCodeEntity(); entity.Id = StringUtils.GetDbInt(reader["Id"]); entity.Code = StringUtils.GetDbString(reader["Code"]); entity.Name = StringUtils.GetDbString(reader["Name"]); entity.HasPre = StringUtils.GetDbInt(reader["HasPre"]); entity.NeedDate = StringUtils.GetDbInt(reader["NeedDate"]); entity.NumLen = StringUtils.GetDbInt(reader["NumLen"]); entity.FillChar = StringUtils.GetDbString(reader["FillChar"]); 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> /// 插入一条记录到表XTCode,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="xTCode">要添加的XTCode数据实体对象</param> public int AddXTCode(XTCodeEntity xTCode) { if (xTCode.Id > 0) { return(UpdateXTCode(xTCode)); } else if (string.IsNullOrEmpty(xTCode.Name)) { return((int)CommonStatus.ADD_Fail_Empty); } else if (XTCodeBLL.Instance.IsExist(xTCode)) { return((int)CommonStatus.ADD_Fail_Exist); } else { return(XTCodeDA.Instance.AddXTCode(xTCode)); } }
/// <summary> /// 插入一条记录到表XTCode,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="xTCode">待插入的实体对象</param> public int AddXTCode(XTCodeEntity entity) { string sql = @"insert into XTCode( [Code],[Name],[HasPre],[NeedDate],[NumLen],[FillChar])VALUES ( @Code,@Name,@HasPre,@NeedDate,@NumLen,@FillChar); SELECT SCOPE_IDENTITY();" ; DbCommand cmd = db.GetSqlStringCommand(sql); db.AddInParameter(cmd, "@Code", DbType.String, entity.Code); db.AddInParameter(cmd, "@Name", DbType.String, entity.Name); db.AddInParameter(cmd, "@HasPre", DbType.Int32, entity.HasPre); db.AddInParameter(cmd, "@NeedDate", DbType.Int32, entity.NeedDate); db.AddInParameter(cmd, "@NumLen", DbType.Int32, entity.NumLen); db.AddInParameter(cmd, "@FillChar", DbType.String, entity.FillChar); object identity = db.ExecuteScalar(cmd); if (identity == null || identity == DBNull.Value) { return(0); } return(Convert.ToInt32(identity)); }
/// <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 <XTCodeEntity> GetXTCodeAll() { string sql = @"SELECT [Id],[Code],[Name],[HasPre],[NeedDate],[NumLen],[FillChar] from dbo.[XTCode] WITH(NOLOCK) "; IList <XTCodeEntity> entityList = new List <XTCodeEntity>(); DbCommand cmd = db.GetSqlStringCommand(sql); using (IDataReader reader = db.ExecuteReader(cmd)) { while (reader.Read()) { XTCodeEntity entity = new XTCodeEntity(); entity.Id = StringUtils.GetDbInt(reader["Id"]); entity.Code = StringUtils.GetDbString(reader["Code"]); entity.Name = StringUtils.GetDbString(reader["Name"]); entity.HasPre = StringUtils.GetDbInt(reader["HasPre"]); entity.NeedDate = StringUtils.GetDbInt(reader["NeedDate"]); entity.NumLen = StringUtils.GetDbInt(reader["NumLen"]); entity.FillChar = StringUtils.GetDbString(reader["FillChar"]); entityList.Add(entity); } } return(entityList); }
/// <summary> /// 更新一条XTCode记录。 /// 该方法提供给界面等UI层调用 /// </summary> /// <param name="xTCode">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 UpdateXTCode(XTCodeEntity xTCode) { return(XTCodeDA.Instance.UpdateXTCode(xTCode)); }
/// <summary> /// 判断对象是否存在 /// </summary> /// <param name="dicEnum"></param> /// <returns></returns> public bool IsExist(XTCodeEntity xTCode) { return(XTCodeDA.Instance.ExistNum(xTCode) > 0); }