NongJiaLe/BLL/Shopping_ShoppingCart.cs

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using System;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using System.Collections.Generic;

using Shopping.DAL;

namespace Shopping.BLL
{

    /// <summary>
    ///	购物车信息表
    ///	BLL逻辑层 Shopping_ShoppingCart
    /// 主要完成对DAL层的调用
    /// </summary>
    public class ShoppingCartItemInfoBLL
    {

        /// <summary>
        /// 全局变量
        /// </summary>
        private static ShoppingCartItemInfoProvider DAL = ShoppingCartItemInfoProvider.GetInstance();


        /// <summary>
        /// 根据条件判断是否存在
        /// </summary>
        /// <param name="condition">条件</param>
        /// <returns></returns>
        public static bool ExistShoppingCart(string condition)
        {
            return DAL.ExistShoppingCart(condition);
        }

        /// <summary>
        /// 增加一条记录
        /// </summary>
        /// <param name="model">类实体</param>
        /// <returns></returns>
        public static int AddShoppingCart(Model.ShoppingCartItemInfo model)
        {
            return DAL.AddShoppingCart(model);
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        /// <param name="model">类实体</param>
        /// <returns></returns>
        public static bool UpdateShoppingCart(Model.ShoppingCartItemInfo model)
        {
            return DAL.UpdateShoppingCart(model);
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public static bool DeleteShoppingCart(int ShoppingCartID)