/// <summary>
/// 销售书本减少库存数
/// </summary>
/// <param name="BooksName"></param>
/// <param name="GoodsNum"></param>
/// <returns></returns>
public static bool UpdateBooksStockNum(string BooksName, int GoodsNum)
{
return(BooksDAL.UpdateBooksStockNum(BooksName, GoodsNum));
}