/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(cn.itcast.bookshop.Model.Categories model)
{
return(dal.Update(model));
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(cn.itcast.bookshop.Model.Categories model)
{
return(dal.Add(model));
}