/// <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 MemFavoritesEntity GetMemFavorites(int id)
{
string sql = @"SELECT [Id],[ProductDetailId],[MemId],[CreateTime],[IsActive],[SystemId]
FROM
dbo.[MemFavorites] WITH(NOLOCK)
WHERE [Id]=@id" ;
DbCommand cmd = db.GetSqlStringCommand(sql);
db.AddInParameter(cmd, "@Id", DbType.Int32, id);
MemFavoritesEntity entity = new MemFavoritesEntity();
using (IDataReader reader = db.ExecuteReader(cmd))
{
if (reader.Read())
{
entity.Id = StringUtils.GetDbInt(reader["Id"]);
entity.ProductDetailId = StringUtils.GetDbInt(reader["ProductDetailId"]);
entity.MemId = StringUtils.GetDbInt(reader["MemId"]);
entity.CreateTime = StringUtils.GetDbDateTime(reader["CreateTime"]);
entity.IsActive = StringUtils.GetDbInt(reader["IsActive"]);
entity.SystemId = StringUtils.GetDbInt(reader["SystemId"]);
}
}
return(entity);
}
/// <summary>
/// 插入一条记录到表MemFavorites，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="memFavorites">待插入的实体对象</param>
public MemFavoritesEntity AddMemFavorites(MemFavoritesEntity entity)
{
string sql = @"IF ( SELECT COUNT(1)
FROM MemFavorites
WHERE MemId = @MemId
AND ProductDetailId = @ProductDetailId
) > 0
BEGIN
UPDATE MemFavorites
SET IsActive = 1 ,
updatetime = GETDATE()
WHERE MemId = @MemId
AND ProductDetailId = @ProductDetailId
END
ELSE
BEGIN
INSERT INTO MemFavorites
( [ProductDetailId] ,
[MemId] ,
[CreateTime] ,
UpdateTime ,
[IsActive] ,
[SystemId]
)
VALUES ( @ProductDetailId ,
@MemId ,
GETDATE() ,
GETDATE() ,
@IsActive ,
@SystemId
)
END
SELECT * FROM MemFavorites WHERE MemId=@MemId AND ProductDetailId=@ProductDetailId
";
DbCommand cmd = db.GetSqlStringCommand(sql);
db.AddInParameter(cmd, "@ProductDetailId", DbType.Int32, entity.ProductDetailId);
db.AddInParameter(cmd, "@MemId", DbType.Int32, entity.MemId);
db.AddInParameter(cmd, "@IsActive", DbType.Int32, entity.IsActive);
db.AddInParameter(cmd, "@SystemId", DbType.Int32, entity.SystemId);
using (IDataReader reader = db.ExecuteReader(cmd))
{
if (reader.Read())
{
entity.Id = StringUtils.GetDbInt(reader["Id"]);
entity.ProductDetailId = StringUtils.GetDbInt(reader["ProductDetailId"]);
entity.MemId = StringUtils.GetDbInt(reader["MemId"]);
entity.CreateTime = StringUtils.GetDbDateTime(reader["CreateTime"]);
entity.UpdateTime = StringUtils.GetDbDateTime(reader["UpdateTime"]);
entity.IsActive = StringUtils.GetDbInt(reader["IsActive"]);
entity.SystemId = StringUtils.GetDbInt(reader["SystemId"]);
}
}
return(entity);
}
/// <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="memFavorites">待更新的实体对象</param>
public int UpdateMemFavorites(MemFavoritesEntity entity)
{
string sql = @" UPDATE dbo.[MemFavorites] SET
[ProductDetailId]=@ProductDetailId,[MemId]=@MemId,[CreateTime]=@CreateTime,[IsActive]=@IsActive,[SystemId]=@SystemId
WHERE [Id]=@id";
DbCommand cmd = db.GetSqlStringCommand(sql);
db.AddInParameter(cmd, "@Id", DbType.Int32, entity.Id);
db.AddInParameter(cmd, "@ProductDetailId", DbType.Int32, entity.ProductDetailId);
db.AddInParameter(cmd, "@MemId", DbType.Int32, entity.MemId);
db.AddInParameter(cmd, "@CreateTime", DbType.DateTime, entity.CreateTime);
db.AddInParameter(cmd, "@IsActive", DbType.Int32, entity.IsActive);
db.AddInParameter(cmd, "@SystemId", DbType.Int32, entity.SystemId);
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 <MemFavoritesEntity> GetMemFavoritesList(int pagesize, int pageindex, ref int recordCount)
{
string sql = @"SELECT [Id],[ProductDetailId],[MemId],[CreateTime],[IsActive],[SystemId]
FROM
(SELECT ROW_NUMBER() OVER (ORDER BY Id desc) AS ROWNUMBER,
[Id],[ProductDetailId],[MemId],[CreateTime],[IsActive],[SystemId] from dbo.[MemFavorites] WITH(NOLOCK)
WHERE 1=1 ) as temp
where rownumber BETWEEN ((@PageIndex - 1) * @PageSize + 1) AND @PageIndex * @PageSize" ;
string sql2 = @"Select count(1) from dbo.[MemFavorites] with (nolock) ";
IList <MemFavoritesEntity> entityList = new List <MemFavoritesEntity>();
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())
{
MemFavoritesEntity entity = new MemFavoritesEntity();
entity.Id = StringUtils.GetDbInt(reader["Id"]);
entity.ProductDetailId = StringUtils.GetDbInt(reader["ProductDetailId"]);
entity.MemId = StringUtils.GetDbInt(reader["MemId"]);
entity.CreateTime = StringUtils.GetDbDateTime(reader["CreateTime"]);
entity.IsActive = StringUtils.GetDbInt(reader["IsActive"]);
entity.SystemId = StringUtils.GetDbInt(reader["SystemId"]);
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>
/// 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 <MemFavoritesEntity> GetMemFavoritesAll()
{
string sql = @"SELECT [Id],[ProductDetailId],[MemId],[CreateTime],[IsActive],[SystemId] from dbo.[MemFavorites] WITH(NOLOCK) ";
IList <MemFavoritesEntity> entityList = new List <MemFavoritesEntity>();
DbCommand cmd = db.GetSqlStringCommand(sql);
using (IDataReader reader = db.ExecuteReader(cmd))
{
while (reader.Read())
{
MemFavoritesEntity entity = new MemFavoritesEntity();
entity.Id = StringUtils.GetDbInt(reader["Id"]);
entity.ProductDetailId = StringUtils.GetDbInt(reader["ProductDetailId"]);
entity.MemId = StringUtils.GetDbInt(reader["MemId"]);
entity.CreateTime = StringUtils.GetDbDateTime(reader["CreateTime"]);
entity.IsActive = StringUtils.GetDbInt(reader["IsActive"]);
entity.SystemId = StringUtils.GetDbInt(reader["SystemId"]);
entityList.Add(entity);
}
}
return(entityList);
}
/// <summary>
/// 更新一条MemFavorites记录。
/// 该方法提供给界面等UI层调用
/// </summary>
/// <param name="memFavorites">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 UpdateMemFavorites(MemFavoritesEntity memFavorites)
{
return(MemFavoritesDA.Instance.UpdateMemFavorites(memFavorites));
}
/// <summary>
/// 插入一条记录到表MemFavorites，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="memFavorites">要添加的MemFavorites数据实体对象</param>
public MemFavoritesEntity AddMemFavorites(MemFavoritesEntity memFavorites)
{
return(MemFavoritesDA.Instance.AddMemFavorites(memFavorites));
}