TZ.BLL/ShopCart.cs

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using System;
using System.Data;
using System.Collections.Generic;
using TZ.Model;
using TZ.DAL;

namespace TZ.BLL
{
    public class ShopCart
    {
        private readonly TZ.DAL.ShopCart dal;
        public ShopCart()
        {
            dal = new TZ.DAL.ShopCart();
        }
        /// <summary>
        /// 添加一条数据
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public int Add(TZ.Model.ShopCart model)
        {
            return dal.Add(model);
        }
        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(string openId, int article_id, string goods_no)
        {
            return dal.Exists(openId, article_id, goods_no);
        }
        /// <summary>
        /// 删除一条数据
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public bool Delete(int id)
        {
            return dal.Delete(id);
        }
        /// <summary>
        /// 修改一列数据
        /// </summary>
        public bool UpdateField(string openId, int article_id, string goods_no, string strValue)
        {
            return dal.UpdateField(openId, article_id, goods_no, strValue);
        }
        /// <summary>
        /// 修改一列数据
        /// </summary>
        public bool UpdateField(int id, string strValue)
        {
            return dal.UpdateField(id, strValue);
        }
        /// <summary>
        /// 获得前几行数据
        /// </summary>
        /// <param name="Top"></param>
        /// <param name="strWhere"></param>
        /// <param name="filedOrder"></param>