/// <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(ProductBaoPinEntity 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.[ProductBaoPin] 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 ProductBaoPinEntity GetProductBaoPin(int id)
{
string sql = @"SELECT [Id],[ProductDetailId],[Name],[BeginTime],[EndTime],[IsActive],[CreateTime]
FROM
dbo.[ProductBaoPin] WITH(NOLOCK)
WHERE [Id]=@id" ;
DbCommand cmd = db.GetSqlStringCommand(sql);
db.AddInParameter(cmd, "@Id", DbType.Int32, id);
ProductBaoPinEntity entity = new ProductBaoPinEntity();
using (IDataReader reader = db.ExecuteReader(cmd))
{
if (reader.Read())
{
entity.Id = StringUtils.GetDbInt(reader["Id"]);
entity.ProductDetailId = StringUtils.GetDbInt(reader["ProductDetailId"]);
entity.Name = StringUtils.GetDbString(reader["Name"]);
entity.BeginTime = StringUtils.GetDbDateTime(reader["BeginTime"]);
entity.EndTime = StringUtils.GetDbDateTime(reader["EndTime"]);
entity.IsActive = StringUtils.GetDbInt(reader["IsActive"]);
entity.CreateTime = StringUtils.GetDbDateTime(reader["CreateTime"]);
}
}
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="productBaoPin">待更新的实体对象</param>
public int UpdateProductBaoPin(ProductBaoPinEntity entity)
{
string sql = @" UPDATE dbo.[ProductBaoPin] SET
[ProductDetailId]=@ProductDetailId,[Name]=@Name,[BeginTime]=@BeginTime,[EndTime]=@EndTime,[IsActive]=@IsActive,[CreateTime]=@CreateTime
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, "@Name", DbType.String, entity.Name);
db.AddInParameter(cmd, "@BeginTime", DbType.DateTime, entity.BeginTime);
db.AddInParameter(cmd, "@EndTime", DbType.DateTime, entity.EndTime);
db.AddInParameter(cmd, "@IsActive", DbType.Int32, entity.IsActive);
db.AddInParameter(cmd, "@CreateTime", DbType.DateTime, entity.CreateTime);
return(db.ExecuteNonQuery(cmd));
}
/// <summary>
/// 插入一条记录到表ProductBaoPin，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="productBaoPin">要添加的ProductBaoPin数据实体对象</param>
public int AddProductBaoPin(ProductBaoPinEntity productBaoPin)
{
if (productBaoPin.Id > 0)
{
return(UpdateProductBaoPin(productBaoPin));
}
else if (string.IsNullOrEmpty(productBaoPin.Name))
{
return((int)CommonStatus.ADD_Fail_Empty);
}
else if (ProductBaoPinBLL.Instance.IsExist(productBaoPin))
{
return((int)CommonStatus.ADD_Fail_Exist);
}
else
{
return(ProductBaoPinDA.Instance.AddProductBaoPin(productBaoPin));
}
}
/// <summary>
/// 插入一条记录到表ProductBaoPin，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="productBaoPin">待插入的实体对象</param>
public int AddProductBaoPin(ProductBaoPinEntity entity)
{
string sql = @"insert into ProductBaoPin( [ProductDetailId],[Name],[BeginTime],[EndTime],[IsActive],[CreateTime])VALUES
( @ProductDetailId,@Name,@BeginTime,@EndTime,@IsActive,@CreateTime);
SELECT SCOPE_IDENTITY();" ;
DbCommand cmd = db.GetSqlStringCommand(sql);
db.AddInParameter(cmd, "@ProductDetailId", DbType.Int32, entity.ProductDetailId);
db.AddInParameter(cmd, "@Name", DbType.String, entity.Name);
db.AddInParameter(cmd, "@BeginTime", DbType.DateTime, entity.BeginTime);
db.AddInParameter(cmd, "@EndTime", DbType.DateTime, entity.EndTime);
db.AddInParameter(cmd, "@IsActive", DbType.Int32, entity.IsActive);
db.AddInParameter(cmd, "@CreateTime", DbType.DateTime, entity.CreateTime);
object identity = db.ExecuteScalar(cmd);
if (identity == null || identity == DBNull.Value)
{
return(0);
}
return(Convert.ToInt32(identity));
}
/// <summary>
/// 更新一条ProductBaoPin记录。
/// 该方法提供给界面等UI层调用
/// </summary>
/// <param name="productBaoPin">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 UpdateProductBaoPin(ProductBaoPinEntity productBaoPin)
{
return(ProductBaoPinDA.Instance.UpdateProductBaoPin(productBaoPin));
}
/// <summary>
/// 判断对象是否存在
/// </summary>
/// <param name="dicEnum"></param>
/// <returns></returns>
public bool IsExist(ProductBaoPinEntity productBaoPin)
{
return(ProductBaoPinDA.Instance.ExistNum(productBaoPin) > 0);
}