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