购物车 物品操作 things

public class thing
{
    public thing()
    {
    }
    string strId;    //商品ID
    string strTitle;   //商品名称
    decimal price;  //普通会员价格
    decimal vipPrice;  //高级会员价格
    int num;   //购物数量
    decimal sum = 0m;   //总金额
    decimal vipsum = 0m;  //VIP总金额

    public string StrId
    {
        get
        {
            return strId;
        }
        set
        {
            strId = value;
        }
    }
    public string StrTitle
    {
        get
        {
            return strTitle;
        }
        set
        {
            strTitle = value;
        }
    }
    public decimal Price
    {
        get
        {
            return price;
        }
        set
        {
            price = value;
            sum = price * num;
        }
    }
    public decimal VIPPrice
    {
        get
        {
            return vipPrice;
        }
        set
        {
            vipPrice = value;
            vipsum = vipPrice * num;
        }
    }
    public int Num
    {
        get
        {
            return num;
        }
        set
        {
            num = value;
            sum = price * num;
            vipsum = vipPrice * num;
        }
    }
    public decimal Sum
    {
        get
        {
            return sum;
        }
        set
        {
            sum = value;
        }
    }
    public decimal VIPSum
    {
        get
        {
            return vipsum;
        }
        set
        {
            vipsum = value;
        }
    }




    public class things : IEnumerable
    {
        Hashtable ht = null;
        public things()
        {
            ht = new Hashtable();

        }
        public things(int count)
        {
            ht = new Hashtable(count);
        }

        //添加 数量
        public void Add(thing t)
        {
            if (ht.ContainsKey(t.StrId))
            {
                ((thing)ht[t.StrId]).Num = ((thing)ht[t.StrId]).Num + t.Num;
            }
            else
            {
                ht.Add(t.StrId, t);
            }
        }

        //删除
        public void Remove(string strId)
        {
            if (ht.ContainsKey(strId))
            {
                ht.Remove(strId);
            }
        }

        //清空所有
        public void Clear()
        {
            ht.Clear();
        }

        //总件数
        public int Count
        {
            get
            {
                return ht.Count;
            }
        }

        //更新 数量
        public void Update(string strId, int i)
        {
            if (ht.ContainsKey(strId))
            {
                ((thing)ht[strId]).Num = i;
            }
        }

        //返回一个物品的所有
        public thing this[string strId]
        {
            get
            {
                if (ht.ContainsKey(strId))
                {
                    return ((thing)ht[strId]);
                }
                else
                {
                    return null;
                }
            }
        }
        //总价
        public decimal sumprice()
        {
            decimal price = 0m;
            foreach (DictionaryEntry de in ht)
            {
                price += ((thing)(de.Value)).Sum;
            }
            return price;
        }

        //高级会员价格统计
        public decimal vipsumprice()
        {
            decimal price = 0m;
            foreach (DictionaryEntry de in ht)
            {
                price += ((thing)(de.Value)).VIPSum;
            }
            return price;
        }

        //注册接口
        public IEnumerator GetEnumerator()
        {
            // TODO:  添加 Books.GetEnumerator 实现
            return ht.Values.GetEnumerator();
        }

    }





    public class order
    {
        //string odid;   //记录订单主键
        string oDName;   //订单名
        decimal oDPrice;
        string bName;  //买家姓名
        string bEmail;   //买家email
        string bTel;  //买家联系电话
        string shipInfo;  //送货信息
        string shipMethod;  //送货方式
        string payMethod;   //支付方式
        things ts;   //用于接收商品列表
        public order()
        {
        }

        public decimal ODPrice
        {
            get
            {
                return oDPrice;
            }
            set
            {
                oDPrice = value;
            }
        }
        public string ODName
        {
            get
            {
                return oDName;
            }
            set
            {
                oDName = value;
            }
        }

        public things Things
        {
            get
            {
                return ts;
            }
            set
            {
                ts = value;
            }
        }

        public string BName
        {
            get
            {
                return bName;
            }
            set
            {
                bName = value;
            }
        }
        public string BEmail
        {
            get
            {
                return bEmail;
            }
            set
            {
                bEmail = value;
            }
        }
        public string BTel
        {
            get
            {
                return bTel;
            }
            set
            {
                bTel = value;
            }
        }
        public string ShipInfo
        {
            get
            {
                return shipInfo;
            }
            set
            {
                shipInfo = value;
            }
        }
        public string ShipMethod
        {
            get
            {
                return shipMethod;
            }
            set
            {
                shipMethod = value;
            }
        }
        public string PayMethod
        {
            get
            {
                return payMethod;
            }
            set
            {
                payMethod = value;
            }
        }
    }