/// <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(ClassBrandEntity 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.[ClassBrand] WITH(NOLOCK) ";
string where = "where ";
if (entity.Id == 0)
{
where += " BrandId=@BrandId and [ClassId]=@ClassId ";
}
else
{
where += " Id<>@Id and BrandId=@BrandId and [ClassId]=@ClassId ";
}
sql = sql + where;
DbCommand cmd = db.GetSqlStringCommand(sql);
db.AddInParameter(cmd, "@BrandId", DbType.Int32, entity.BrandId);
db.AddInParameter(cmd, "@ClassId", DbType.Int32, entity.ClassId);
if (entity.Id > 0)
{
db.AddInParameter(cmd, "@Id", DbType.Int32, entity.Id);
}
object identity = db.ExecuteScalar(cmd);
if (identity == null || identity == DBNull.Value)
{
return(0);
}
return(Convert.ToInt32(identity));
}
/// <summary>
/// 更新一条ClassBrand记录。
/// 该方法提供给界面等UI层调用
/// </summary>
/// <param name="classBrand">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 UpdateClassBrand(ClassBrandEntity classBrand)
{
if (ClassBrandBLL.Instance.IsExist(classBrand))
{
return((int)CommonStatus.ADD_Fail_Exist);
}
return(ClassBrandDA.Instance.UpdateClassBrand(classBrand));
}
/// <summary>
/// 分类品牌信息
/// </summary>
/// <returns></returns>
public ActionResult ClassBrandInfo()
{
int _classid = QueryString.IntSafeQ("classid", 0);
int _id = QueryString.IntSafeQ("id", 0);
ClassBrandEntity entity = ClassBrandBLL.Instance.GetClassBrand(_id);
string _BrandName = BrandBLL.Instance.GetBrand(entity.BrandId, false).Name;
ViewBag.entity = entity;
ViewBag.classid = _classid;
ViewBag.BrandName = _BrandName;
return(View());
}
/// <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="classBrand">待更新的实体对象</param>
public int UpdateClassBrand(ClassBrandEntity entity)
{
string sql = @" UPDATE dbo.[ClassBrand] SET
[ClassId]=@ClassId,[BrandId]=@BrandId,[Sort]=@Sort
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, "@Sort", DbType.Int32, entity.Sort);
return(db.ExecuteNonQuery(cmd));
}
/// <summary>
/// 分类品牌信息添加
/// </summary>
/// <returns></returns>
public int ClassBrandInfoAdd()
{
int _classid = FormString.IntSafeQ("classid");
int _brandid = FormString.IntSafeQ("brandid");
int _sort = FormString.IntSafeQ("sort");
ClassBrandEntity entity = new ClassBrandEntity();
entity.ClassId = _classid;
entity.BrandId = _brandid;
entity.Sort = _sort;
int _result = ClassBrandBLL.Instance.AddClassBrand(entity);
return(_result);
}
/// <summary>
/// 插入一条记录到表ClassBrand，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="classBrand">要添加的ClassBrand数据实体对象</param>
public int AddClassBrand(ClassBrandEntity classBrand)
{
if (classBrand.Id > 0)
{
return(UpdateClassBrand(classBrand));
}
else if (ClassBrandBLL.Instance.IsExist(classBrand))
{
return((int)CommonStatus.ADD_Fail_Exist);
}
else
{
return(ClassBrandDA.Instance.AddClassBrand(classBrand));
}
}
/// <summary>
/// 分类品牌信息修改
/// </summary>
/// <returns></returns>
public int ClassBrandInfoUpdate()
{
int _id = FormString.IntSafeQ("id");
int _classid = FormString.IntSafeQ("classid");
int _brandid = FormString.IntSafeQ("brandid");
int _sort = FormString.IntSafeQ("sort");
ClassBrandEntity entity = ClassBrandBLL.Instance.GetClassBrand(_id);
entity.ClassId = _classid;
entity.BrandId = _brandid;
entity.Sort = _sort;
int _result = ClassBrandBLL.Instance.UpdateClassBrand(entity);
return(_result);
}
/// <summary>
/// 插入一条记录到表ClassBrand，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="classBrand">待插入的实体对象</param>
public int AddClassBrand(ClassBrandEntity entity)
{
string sql = @"insert into ClassBrand( [ClassId],[BrandId],[Sort],Status)VALUES
( @ClassId,@BrandId,@Sort,@Status);
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, "@Sort", DbType.Int32, entity.Sort);
db.AddInParameter(cmd, "@Status", DbType.Int32, entity.Status);
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 <ClassBrandEntity> GetClassBrandAll()
{
string sql = @"SELECT [Id],[ClassId],[BrandId],[Sort] from dbo.[ClassBrand] WITH(NOLOCK) ";
IList <ClassBrandEntity> entityList = new List <ClassBrandEntity>();
DbCommand cmd = db.GetSqlStringCommand(sql);
using (IDataReader reader = db.ExecuteReader(cmd))
{
while (reader.Read())
{
ClassBrandEntity entity = new ClassBrandEntity();
entity.Id = StringUtils.GetDbInt(reader["Id"]);
entity.ClassId = StringUtils.GetDbInt(reader["ClassId"]);
entity.BrandId = StringUtils.GetDbInt(reader["BrandId"]);
entity.Sort = StringUtils.GetDbInt(reader["Sort"]);
entityList.Add(entity);
}
}
return(entityList);
}
/// <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 ClassBrandEntity GetClassBrand(int id)
{
string sql = @"SELECT [Id],[ClassId],[BrandId],[Sort]
FROM
dbo.[ClassBrand] WITH(NOLOCK)
WHERE [Id]=@id" ;
DbCommand cmd = db.GetSqlStringCommand(sql);
db.AddInParameter(cmd, "@Id", DbType.Int32, id);
ClassBrandEntity entity = new ClassBrandEntity();
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.Sort = StringUtils.GetDbInt(reader["Sort"]);
}
}
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 <ClassBrandEntity> GetClassBrandList(int pagesize, int pageindex, ref int recordCount, int classid)
{
string where = " WHERE 1=1 ";
if (classid > 0)
{
where += " and ClassId=@ClassId ";
}
string sql = @"SELECT [Id],[ClassId],[BrandId],[Sort],[Name],[Manufacturer]
FROM
(SELECT ROW_NUMBER() OVER (ORDER BY a.Id desc) AS ROWNUMBER,
a.[Id],a.[ClassId],a.[BrandId],a.[Sort] ,b.[Name],b.[Manufacturer] from dbo.[ClassBrand] a WITH(NOLOCK)
inner join dbo.[Brand] b WITH(NOLOCK) on a.BrandId = b.Id " + where + @") as temp
where rownumber BETWEEN ((@PageIndex - 1) * @PageSize + 1) AND @PageIndex * @PageSize" ;
string sql2 = @"Select count(1) from dbo.[ClassBrand] a with (nolock) " + where;
IList <ClassBrandEntity> entityList = new List <ClassBrandEntity>();
DbCommand cmd = db.GetSqlStringCommand(sql);
db.AddInParameter(cmd, "@PageIndex", DbType.Int32, pageindex);
db.AddInParameter(cmd, "@PageSize", DbType.Int32, pagesize);
if (classid > 0)
{
db.AddInParameter(cmd, "@ClassId", DbType.Int32, classid);
}
using (IDataReader reader = db.ExecuteReader(cmd))
{
while (reader.Read())
{
ClassBrandEntity entity = new ClassBrandEntity();
entity.Id = StringUtils.GetDbInt(reader["Id"]);
entity.ClassId = StringUtils.GetDbInt(reader["ClassId"]);
entity.BrandId = StringUtils.GetDbInt(reader["BrandId"]);
entity.Sort = StringUtils.GetDbInt(reader["Sort"]);
if (classid > 0)
{
entity.BrandName = StringUtils.GetDbString(reader["Name"]);
entity.Manufacturer = StringUtils.GetDbString(reader["Manufacturer"]);
}
entityList.Add(entity);
}
}
cmd = db.GetSqlStringCommand(sql2);
if (classid > 0)
{
db.AddInParameter(cmd, "@ClassId", DbType.Int32, classid);
}
using (IDataReader reader = db.ExecuteReader(cmd))
{
if (reader.Read())
{
recordCount = StringUtils.GetDbInt(reader[0]);
}
else
{
recordCount = 0;
}
}
return(entityList);
}
/// <summary>
/// 判断对象是否存在
/// </summary>
/// <param name="dicEnum"></param>
/// <returns></returns>
public bool IsExist(ClassBrandEntity classBrand)
{
return(ClassBrandDA.Instance.ExistNum(classBrand) > 0);
}
