goodsbussiness.cs

ASP.NET 2.0动态网站设计实例源代码,本书介绍了ASP.NET2.0的基础知识

///////////////////////////////////////////////////////////
//  GoodsBussiness.cs
//  Implementation of the Class GoodsBussiness
//  Generated by Enterprise Architect
//  Created on:      13-五月-2006 19:53:13
///////////////////////////////////////////////////////////




using BookShop.Entity;
using System.Data;
using BookShop.DataAccess;
using System;

namespace BookShop.Bussiness
{
  /// <summary>
  /// 货物业务层
  /// </summary>
  public class GoodsBussiness
  {

    public GoodsBussiness()
    {

    }

    ~GoodsBussiness()
    {

    }

    public virtual void Dispose()
    {

    }

    /// <summary>
    /// 添加新货物
    /// </summary>
    /// <param name="goods"></param>
    public bool AddGoods(ref GoodsEntity goods)
    {
      return new GoodsAccess().AddGoods(ref goods);
    }

    /// <summary>
    /// 修改货物信息
    /// </summary>
    /// <param name="goods"></param>
    public bool ModifyGoods(GoodsEntity goods)
    {
      return new GoodsAccess().ModifyGoods(goods);
    }

    /// <summary>
    /// 修改货物库存
    /// </summary>
    /// <param name="goods"></param>
    public bool ModifyGoodsCount(GoodsEntity goods)
    {
      return new GoodsAccess().ModifyGoodsCount(goods);
    }

    /// <summary>
    /// 修改货物储存量，同时将货物入发货表
    /// </summary>
    /// <param name="goods"></param>
    /// <param name="order"></param>
    public bool MoveToSent(GoodsEntity goods, OrderEntity order, UserEntity user)
    {
      return new GoodsAccess().MoveToSent(goods, order, user);
    }

    public DataTable GetGoodsByCategoryID(int categoryID)
    {
      return new GoodsAccess().GetGoodsByCategoryID(categoryID);
    }

    public bool AddGoodsDiscount(DiscountEntity discount)
    {
      return new GoodsAccess().AddGoodsDiscount(discount);
    }
    /// <summary>
    /// 根据商品ID获取商品信息
    /// </summary>
    /// <param name="goods"></param>
    /// <returns></returns>
    public bool GetGoodsByID(ref GoodsEntity goods)
    {
      DataTable goodsInfo = new GoodsAccess().GetGoodsByID(ref goods);
      if (goodsInfo.Rows.Count == 0)
        return false;
      else
      {
        goods.Contents = Convert.ToString(goodsInfo.Rows[0]["SContents"]);
        if (!Convert.IsDBNull(goodsInfo.Rows[0]["SImage"]))
          goods.Image = Convert.ToString(goodsInfo.Rows[0]["SImage"]);
        goods.Intro = Convert.ToString(goodsInfo.Rows[0]["SIntro"]);
        goods.ISBN = Convert.ToString(goodsInfo.Rows[0]["SISBN"]);
        goods.Name = Convert.ToString(goodsInfo.Rows[0]["SName"]);
        goods.PageCount = Convert.ToInt32(goodsInfo.Rows[0]["SPageCount"]);
        goods.PageSize = Convert.ToInt32(goodsInfo.Rows[0]["SPageSize"]);
        goods.Price = Convert.ToSingle(goodsInfo.Rows[0]["SPrice"]);
        goods.PublishDate = Convert.ToDateTime(goodsInfo.Rows[0]["SPublishDate"]);
        goods.Publisher = Convert.ToString(goodsInfo.Rows[0]["SPublisher"]);
        goods.PublishTimes = Convert.ToInt32(goodsInfo.Rows[0]["SPublishTimes"]);
        goods.StorageCount = Convert.ToInt32(goodsInfo.Rows[0]["SStorageCount"]);
        goods.WordCount = Convert.ToInt32(goodsInfo.Rows[0]["SWordCount"]);
        goods.Writer = Convert.ToString(goodsInfo.Rows[0]["SWriter"]);
        return true;
      }
    }
    /// <summary>
    /// 删除指定ID的货物的折扣信息
    /// </summary>
    /// <param name="discount"></param>
    public void DeleteDiscount(DiscountEntity discount)
    {
      new GoodsAccess().DeleteDiscount(discount);
    }
    /// <summary>
    /// 设置货物点击率
    /// </summary>
    /// <param name="goods"></param>
    public void SetGoodsClicked(GoodsEntity goods)
    {
      if (new GoodsAccess().IsGoodsClickedExist(goods))
        new GoodsAccess().SetGoodsClicked(goods);
      else
        new GoodsAccess().AddGoodsClicked(goods);
    }
    /// <summary>
    /// 根据点击率获取前10个商品列表
    /// </summary>
    /// <returns></returns>
    public DataTable GetGoodsByClicked()
    {
      return new GoodsAccess().GetGoodsByClicked();
    }

    /// <summary>
    /// 根据入库时间获取前10个商品列表
    /// </summary>
    /// <returns></returns>
    public DataTable GetGoodsByInTime()
    {
      return new GoodsAccess().GetGoodsByInTime();
    }
    /// <summary>
    /// 根据货物ID获取折扣信息
    /// </summary>
    /// <param name="goods"></param>
    /// <returns></returns>
    public DiscountEntity[] GetDiscountByGoodsID(GoodsEntity goods)
    {
      DataTable dtDiscount = new GoodsAccess().GetDiscountByGoodsID(goods);
      DiscountEntity[] discount = new DiscountEntity[3];
      discount[0] = new DiscountEntity();
      discount[0].GoodsID = goods.GoodsID;
      discount[0].Price = Convert.ToSingle(dtDiscount.Rows[0]["SDiscount"]);
      discount[0].MemberLevel = 1;

      discount[1] = new DiscountEntity();
      discount[1].GoodsID = goods.GoodsID;
      discount[1].Price = Convert.ToSingle(dtDiscount.Rows[1]["SDiscount"]);
      discount[1].MemberLevel = 2;

      discount[2] = new DiscountEntity();
      discount[2].GoodsID = goods.GoodsID;
      discount[2].Price = Convert.ToSingle(dtDiscount.Rows[2]["SDiscount"]);
      discount[2].MemberLevel = 3;
      return discount;
    }
  }//end GoodsBussiness

}//end namespace Bussiness