/// <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(ProductMenuEntity 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.[ProductMenu] WITH(NOLOCK) ";
string where = "where ";
if (entity.Id == 0)
{
}
else
{
}
sql = sql + where;
DbCommand cmd = db.GetSqlStringCommand(sql);
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>
/// 插入一条记录到表ProductMenu，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="productMenu">待插入的实体对象</param>
public int AddProductMenu(ProductMenuEntity entity)
{
string sql = @"insert into ProductMenu( [ProductDetailId],[ClassId],[BrandId],[MenuType],[Sort],[ProductSmallPicUrl],[ProductPicUrl],[CreateTime],[BeginTime],[EndTime])VALUES
( @ProductDetailId,@ClassId,@BrandId,@MenuType,@Sort,@ProductSmallPicUrl,@ProductPicUrl,@CreateTime,@BeginTime,@EndTime);
SELECT SCOPE_IDENTITY();" ;
DbCommand cmd = db.GetSqlStringCommand(sql);
db.AddInParameter(cmd, "@ProductDetailId", DbType.Int32, entity.ProductDetailId);
db.AddInParameter(cmd, "@ClassId", DbType.Int32, entity.ClassId);
db.AddInParameter(cmd, "@BrandId", DbType.Int32, entity.BrandId);
db.AddInParameter(cmd, "@MenuType", DbType.Int32, entity.MenuType);
db.AddInParameter(cmd, "@Sort", DbType.Int32, entity.Sort);
db.AddInParameter(cmd, "@ProductSmallPicUrl", DbType.String, entity.ProductSmallPicUrl);
db.AddInParameter(cmd, "@ProductPicUrl", DbType.String, entity.ProductPicUrl);
db.AddInParameter(cmd, "@CreateTime", DbType.DateTime, entity.CreateTime);
db.AddInParameter(cmd, "@BeginTime", DbType.DateTime, entity.BeginTime);
db.AddInParameter(cmd, "@EndTime", DbType.DateTime, entity.EndTime);
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 ProductMenuEntity GetProductMenu(int id)
{
string sql = @"SELECT [Id],[ProductDetailId],[ClassId],[BrandId],[MenuType],[Sort],[ProductSmallPicUrl],[ProductPicUrl],[CreateTime],[BeginTime],[EndTime]
FROM
dbo.[ProductMenu] WITH(NOLOCK)
WHERE [Id]=@id" ;
DbCommand cmd = db.GetSqlStringCommand(sql);
db.AddInParameter(cmd, "@Id", DbType.Int32, id);
ProductMenuEntity entity = new ProductMenuEntity();
using (IDataReader reader = db.ExecuteReader(cmd))
{
if (reader.Read())
{
entity.Id = StringUtils.GetDbInt(reader["Id"]);
entity.ProductDetailId = StringUtils.GetDbInt(reader["ProductDetailId"]);
entity.ClassId = StringUtils.GetDbInt(reader["ClassId"]);
entity.BrandId = StringUtils.GetDbInt(reader["BrandId"]);
entity.MenuType = StringUtils.GetDbInt(reader["MenuType"]);
entity.Sort = StringUtils.GetDbInt(reader["Sort"]);
entity.ProductSmallPicUrl = StringUtils.GetDbString(reader["ProductSmallPicUrl"]);
entity.ProductPicUrl = StringUtils.GetDbString(reader["ProductPicUrl"]);
entity.CreateTime = StringUtils.GetDbDateTime(reader["CreateTime"]);
entity.BeginTime = StringUtils.GetDbDateTime(reader["BeginTime"]);
entity.EndTime = StringUtils.GetDbDateTime(reader["EndTime"]);
}
}
return(entity);
}
/// <summary>
/// 插入一条记录到表ProductMenu，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="productMenu">要添加的ProductMenu数据实体对象</param>
public int AddProductMenu(ProductMenuEntity productMenu)
{
if (productMenu.Id > 0)
{
return(UpdateProductMenu(productMenu));
}
else if (ProductMenuBLL.Instance.IsExist(productMenu))
{
return((int)CommonStatus.ADD_Fail_Exist);
}
else
{
return(ProductMenuDA.Instance.AddProductMenu(productMenu));
}
}
/// <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 <ProductMenuEntity> GetProductMenuList(int pagesize, int pageindex, ref int recordCount)
{
string sql = @"SELECT [Id],[ProductDetailId],[ClassId],[BrandId],[MenuType],[Sort],[ProductSmallPicUrl],[ProductPicUrl],[CreateTime],[BeginTime],[EndTime]
FROM (SELECT ROW_NUMBER() OVER (ORDER BY Id desc) AS ROWNUMBER,
[Id],[ProductDetailId],[ClassId],[BrandId],[MenuType],[Sort],[ProductSmallPicUrl],[ProductPicUrl],[CreateTime],[BeginTime],[EndTime] from dbo.[ProductMenu] WITH(NOLOCK)
WHERE 1=1 ) as temp
where rownumber BETWEEN ((@PageIndex - 1) * @PageSize + 1) AND @PageIndex * @PageSize" ;
string sql2 = @"Select count(1) from dbo.[ProductMenu] with (nolock) ";
IList <ProductMenuEntity> entityList = new List <ProductMenuEntity>();
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())
{
ProductMenuEntity entity = new ProductMenuEntity();
entity.Id = StringUtils.GetDbInt(reader["Id"]);
entity.ProductDetailId = StringUtils.GetDbInt(reader["ProductDetailId"]);
entity.ClassId = StringUtils.GetDbInt(reader["ClassId"]);
entity.BrandId = StringUtils.GetDbInt(reader["BrandId"]);
entity.MenuType = StringUtils.GetDbInt(reader["MenuType"]);
entity.Sort = StringUtils.GetDbInt(reader["Sort"]);
entity.ProductSmallPicUrl = StringUtils.GetDbString(reader["ProductSmallPicUrl"]);
entity.ProductPicUrl = StringUtils.GetDbString(reader["ProductPicUrl"]);
entity.CreateTime = StringUtils.GetDbDateTime(reader["CreateTime"]);
entity.BeginTime = StringUtils.GetDbDateTime(reader["BeginTime"]);
entity.EndTime = StringUtils.GetDbDateTime(reader["EndTime"]);
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="productMenu">待更新的实体对象</param>
public int UpdateProductMenu(ProductMenuEntity entity)
{
string sql = @" UPDATE dbo.[ProductMenu] SET
[ProductDetailId]=@ProductDetailId,[ClassId]=@ClassId,[BrandId]=@BrandId,[MenuType]=@MenuType,[Sort]=@Sort,[ProductSmallPicUrl]=@ProductSmallPicUrl,[ProductPicUrl]=@ProductPicUrl,[CreateTime]=@CreateTime,[BeginTime]=@BeginTime,[EndTime]=@EndTime
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, "@ClassId", DbType.Int32, entity.ClassId);
db.AddInParameter(cmd, "@BrandId", DbType.Int32, entity.BrandId);
db.AddInParameter(cmd, "@MenuType", DbType.Int32, entity.MenuType);
db.AddInParameter(cmd, "@Sort", DbType.Int32, entity.Sort);
db.AddInParameter(cmd, "@ProductSmallPicUrl", DbType.String, entity.ProductSmallPicUrl);
db.AddInParameter(cmd, "@ProductPicUrl", DbType.String, entity.ProductPicUrl);
db.AddInParameter(cmd, "@CreateTime", DbType.DateTime, entity.CreateTime);
db.AddInParameter(cmd, "@BeginTime", DbType.DateTime, entity.BeginTime);
db.AddInParameter(cmd, "@EndTime", DbType.DateTime, entity.EndTime);
return(db.ExecuteNonQuery(cmd));
}
/// <summary>
/// 更新一条ProductMenu记录。
/// 该方法提供给界面等UI层调用
/// </summary>
/// <param name="productMenu">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 UpdateProductMenu(ProductMenuEntity productMenu)
{
return(ProductMenuDA.Instance.UpdateProductMenu(productMenu));
}
/// <summary>
/// 判断对象是否存在
/// </summary>
/// <param name="dicEnum"></param>
/// <returns></returns>
public bool IsExist(ProductMenuEntity productMenu)
{
return(ProductMenuDA.Instance.ExistNum(productMenu) > 0);
}
