C#面向对象之模拟实现商城购物功能

本文实例为大家分享了c#实现商城购物功能的具体代码，供大家参考，具体内容如下

商品类

namespace shoppingsystem{  /*  * 商品信息包括：商品名称、商品价格、商品型号、商品描述等  */  /// <summary>  /// 商品类  /// </summary>  class goods  {    /// <summary>    /// 商品名称    /// </summary>    private string goodname;    /// <summary>    /// 商品价格    /// </summary>    private float goodprice;    /// <summary>    /// 商品型号    /// </summary>    private string[] goodmodel = new string[2];    /// <summary>    /// 商品类别    /// </summary>    private string goodtype;    /// <summary>    /// 商品描述    /// </summary>    private string gooddescribe;    /// <summary>    /// 卖家    /// </summary>    private ller ller;    public ller ller    {      get      {        return ller;      }      t      {        ller = value;      }    }    public string goodname    {      get      {        return goodname;      }      t      {        goodname = value;      }    }    public float goodprice    {      get      {        return goodprice;      }      t      {        goodprice = value;      }    }    public string[] goodmodel    {      get      {        return goodmodel;      }      t      {        goodmodel = value;      }    }    public string goodtype    {      get      {        return goodtype;      }      t      {        goodtype = value;      }    }    public string gooddescribe    {      get      {        return gooddescribe;      }      t      {        gooddescribe = value;      }    }    /// <summary>    /// 构造函数，对各个变量赋值并添加商品描述    /// </summary>    /// <param name="goodname">商品名</param>    /// <param name="goodprice">商品价格</param>    /// <param name="goodid">商品编号</param>    /// <param name="goodmodel">商品型号</param>    /// <param name="goodtype">商品类别</param>    public goods(string goodname, float goodprice, string[] goodmodel, string goodtype)    {      this.goodname = goodname;      this.goodprice = goodprice;      this.goodmodel = goodmodel;      this.goodtype = goodtype;      gooddescribe = goodname + goodmodel[0] + "|" + goodmodel[1] + "|" + goodprice + "|";    }  }}

商品总库

namespace shoppingsystem{  class goodssql  {    /// <summary>    /// 商品总库    /// </summary>    private goods[] good = new goods[20];    public goods[] good    {      get      {        return good;      }      t      {        good = value;      }    }  }}

用户类

using system;using system.collections.generic;using system.linq;using system.text;using system.threading.tasks;namespace shoppingsystem{  /// <summary>  /// 用户类  /// </summary>  class ur  {    /// <summary>    /// 用户名    /// </summary>    private string urname;    /// <summary>    /// 用户余额    /// </summary>    private float urbalance;    /// <summary>    /// 购物车    /// </summary>    private shoppingcart cart = new shoppingcart();    public ur(string urname, float urbalance)    {      this.urname = urname;      this.urbalance = urbalance;      cart.ur = this;    }    public string urname    {      get      {        return urname;      }      t      {        urname = value;      }    }    public float urbalance    {      get      {        return urbalance;      }      t      {        urbalance = value;      }    }    public shoppingcart cart    {      get      {        return cart;      }      t      {        cart = value;      }    }    /// <summary>    /// 加入购物车    /// </summary>    /// <param name="good">要加入的商品</param>    /// <param name="goodsnum">要买的数量</param>    public void buygoods(goods good, int goodsnum)    {           cart.addgoods(good, goodsnum);      //todo    }    /// <summary>    /// 结算并清空购物车    /// </summary>    public void checkoutcart()    {      cart.checkoutcart();    }  }}

卖家类

using system;namespace shoppingsystem{  /// <summary>  /// 卖家类  /// </summary>  class ller  {    /// <summary>    /// 卖家姓名    /// </summary>    private string llername;    /// <summary>    /// 卖家余额    /// </summary>    private float llerbalance;    /// <summary>    /// 奥运会女排规则卖家商品数组    /// </summary>    private goods[] llergoods = new goods[5];    public ller(string llername, float llerbalance)    {      this.llername = llername;      this.llerbalance = llerbalance;    }    public string llername    {      get      {        return llername;      }      t      {        llername = value;      }    }    public float llerbalance    {      get      {        return llerbalance;      }      t      {        llerbalance = value;      }    }    public goods[] llergoods    {      get      {        return llergoods;      }      t      {        llergoods = value;      }    }    /// <summary>    /// 上架新商品    /// </summary>    /// <param name="good"></param>    public void addgood(goods good,goodssql goods)    {      for (int i = 0; i < llergoods.length; i++)      {        if (llergoods[i] == null)        {          llergoods[i] = good;          good.ller = this;          for (int j = 0; j < goods.good.length; j++)          {            if (goods.good[j] == null)            {              goods.good[j] = good;           大义灭亲的典故   break;            }          }          console.writeline("添加商品成功！");          break;        }        if (i == llergoods.length - 1)        {          console.writeline("添加商品失败！已达到可上架商品的上限！");          return;        }      }    }    /// <summary>    /// 更新商品信息    /// </summary>    /// <param name="good">要更新的商品</param>    /// <param name="goodname">商品名称</param>    /// <param name="goodprice">商品价格</param>    /// <param name="goodid">商品编号</param>    /// <param name="goodmodel">商品型号</param>    /// <param name="goodtype">商品种类</param>    public void updategoodinfo(goods good, string goo哈尔滨远东理工学院dname, float goodprice, string[] goodmodel, string goodtype)    {      if (good != null)      {        good.goodname = goodname;        good.goodmodel = goodmodel;        good.goodtype = goodtype;        good.gooddescribe = goodname + goodmodel[0] + "|" + goodmodel[1] + "|" + goodprice + "|";        console.writeline("更新商品信息成功！");        return;      }      console.writeline("更新商品信息失败！");    }  }}

服务类

namespace shoppingsystem{  class rvice  {    private goods[] goods = new goods[20];    public goods[] goods    {      get      {        return goods;      }      t      {        goods = value;      }    }    /// <summary>    /// 按类型搜索商品    /// </summary>    /// <param name="goodtype"></param>    /// <param name="goods"></param>    public void arch(string goodtype, goodssql goods)    {      this.goods = new goods[20];      int count = 0;      for (int i = 0; i < goods.good.length; i++)      {        if (goods.good[i] != null && goods.good[i].goodtype.equals(goodtype))        {          this.goods[count++] = goods.good[i];        }      }    }  }}

购物车类

using system;using system.collections.generic;using system.linq;using system.text;using system.threading.tasks;namespace shoppingsystem{  /// <summary>  /// 购物车类  /// </summary>  class shoppingcart  {    /// <summary>    /// 购物条目数组    /// </summary>    private shoppingitems[] items;    /// <summary>    /// 购物费用总计    /// </summary>    private float totalprice = 0.00f;    /// <summary>    /// 购物车所属用户    /// </summary>    private ur ur;    public shoppingitems[] items    {      get      {        return items;      }      t      {        items = value;      }    }    public float totalprice    {      get      {        return totalprice;      }      t      {        totalprice = value;      }    }    public ur ur    {      get      {        return ur;      }      t      {        ur = value;      }    }    /// <summary>    /// 添加商品到购物车    /// </summary>    /// <param name="good">要加入的商品</param>    /// <param name="goodsnum">要买的数量</param>    public void addgoods(goods good, int goodsnum)    {      //若购物车条目为空，实例化购物车条目数组      if (items == null)      {        items = new shoppingitems[10];      }      //加入商品条目到购物条目数组      for (int i = 0; i < items.length; i++)      {        if (items[i] == null)        {          items[i] = new shoppingitems();          items[i].good = good;美发店宣传单          items[i].goodsnum = goodsnum;          totalprice += good.goodprice * goodsnum;          console.writeline($"已将{good.gooddescribe}数量：{goodsnum}，加入购物车");          break;        }        if (i == items.length - 1)        {          console.writeline("购物车已满！");        }      }    }       /// <summary>    /// 结算并清空购物车    /// </summary>    public void checkoutcart()    {      //判断购物车是否为空      if (items == null)      {        console.writeline("您的购物车中没有商品！");        return;      }      foreach (var item in items)      {        if (item != null)        {          item.good.ller.llerbalance += item.good.goodprice * item.goodsnum;          console.writeline($"商品名称：{item.good.goodname}");        }      }      console.writeline($"{ur.urname}已经清空了购物车，共计花费{totalprice}元");      ur.urbalance -= totalprice;      items = null;      //todo    }    public void lectcart()    {      if (items == null)      {        console.writeline("您的购物车是空的！");        return;      }      foreach (var item in items)      {        console.writeline($"{item.good.gooddescribe}数量：{item.goodsnum}");      }    }  }}

购物车条目类

using system;using system.collections.generic;using system.linq;using system.text;using system.threading.tasks;namespace shoppingsystem{  /// <summary>  /// 购物车中的商品条目类  /// </summary>  class shoppingitems  {    /// <summary>    /// 商品    /// </summary>    private goods good;    /// <summary>    /// 要买的数量    /// </summary>    private int goodsnum;    public goods good    {      get      {        return good;      }      t      {        good = value;      }    }    public int goodsnum    {      get      {        return goodsnum;      }      t      {        goodsnum = value;      }    }  }}

服务台

这里其实应该封装不少东西，我偷懒了，不搞了

using system;namespace shoppingsystem{  /// <summary>  /// 软件使用类  /// </summary>  class softwareusage  {    /// <summary>    /// 获取用户指令    /// </summary>    /// <returns></returns>    public string order()    {      console.writeline("请先输入指令：");      console.writeline("0-退出，1-搜索，2-购买，3-清空并结算购物车，4-查询购物车");      return console.readline();    }  }}

程序入口main函数：

using system;namespace shoppingsystem{  class program  {    static void main(string[] args)    {      goodssql goodssql = new goodssql();      rvice rvice = new rvice();      ur ur = new ur("岳翔", 10000000.00f);      softwareusage u = new softwareusage();      ller ller01 = new ller("卖家1", 10000.00f);      ller ller02 = new ller("卖家2", 10000.00f);      ller ller03 = new ller("卖家3", 10000.00f);      goods good01 = new goods("编程之美(图书)", 120.00f, new string[]{ "质量", "普通版" }, "图书");      goods good02 = new goods("编程之美(图书)", 145.00f, new string[]{ "质量", "精装版" }, "图书");      goods good03 = new goods("三毛流浪记(图书)", 20.00f, new string[]{ "质量", "普通版" }, "图书");      goods good04 = new goods("三毛流浪记(图书)", 25.00f, new string[]{ "质量", "精装版" }, "图书");      goods good05 = new goods("iphone 100(手机)", 6000.00f, new string[]{ "ram", "64gb" }, "手机");      goods good06 = new goods("iphone 100(手机)", 7000.00f, new string[]{ "ram", "128gb" }, "手机");      goods good07 = new goods("iphone 100(手机)", 9000.00f, new string[]{ "ram", "512gb" }, "手机");      goods good08 = new goods("nokia(手机)", 1000.00f, new string[]{ "型号", "e63" }, "手机");      goods good09 = new goods("nokia(手机)", 2000.00f, new string[]{ "型号", "n95" }, "手机");      goods good10 = new goods("nokia(手机)", 2300.00f, new string[]{ "型号", "n97" }, "手机");      goods good11 = new goods("mac book pro(电脑)", 18000.00f, new string[]{ "配置", "低配版" }, "电脑");      goods good12 = new goods("mac book pro(电脑)", 20000.00f, new string[]{ "配置", "中配版" }, "电脑");      goods good13 = new goods("mac book pro(电脑)", 22000.00f, new string[]{ "配置", "⾼配版" }, "电脑");      ller01.addgood(good01, goodssql);      ller01.addgood(good02, goodssql);      ller01.addgood(good03, goodssql);      l快乐麦肯ler01.addgood(good04, goodssql);      ller01.addgood(good05, goodssql);      ller02.addgood(good06, goodssql);      ller02.addgood(good07, goodssql);      ller02.addgood(good08, goodssql);      ller02.addgood(good09, goodssql);      ller02.addgood(good10, goodssql);      ller03.addgood(good11, goodssql);      ller03.addgood(good12, goodssql);      ller03.addgood(good13, goodssql);      console.clear();      while (true)      {        string order = u.order();        switch (order)        {          ca "0":            console.writeline("购物结束！");            return;          ca "1":            console.writeline("请输入搜索关键词：");            string goodtype = console.readline();            rvice.arch(goodtype, goodssql);            goods[] goods = rvice.goods;            console.writeline($"当前买家{ur.urname}正在搜索商品：{goodtype}");            console.writeline("-----------------------");            foreach (var item in goods)            {              if (item != null)              {                console.writeline($"商品名：{item.goodname}，商品类型（{item.goodmodel[0]}）" +                  $"{item.goodmodel[1]},{item.goodprice}元");              }            }            console.writeline("-----------------------");            break;          ca "2":            if (rvice.goods[0] == null)            {              console.writeline("请先搜索选购！");              break;            }            console.writeline("请先输入商品编号：");            int goodid = int32.par(console.readline());            console.writeline("请先输入商品数量：");            int goodsnum = int32.par(console.readline());            ur.buygoods(rvice.goods[goodid - 1], goodsnum);            console.writeline("-----------------------");            break;          ca "3":            ur.checkoutcart();            console.writeline($"账户余额：{ur.urbalance}");            break;          ca "4":            ur.cart.lectcart();            break;          default:            console.writeline("您输入的指令不正确！");            break;        }      }    }  }}

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