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這篇文章主要介紹“C#實(shí)現(xiàn)商城購(gòu)物功能的代碼怎么寫”，在日常操作中，相信很多人在C#實(shí)現(xiàn)商城購(gòu)物功能的代碼怎么寫問題上存在疑惑，小編查閱了各式資料，整理出簡(jiǎn)單好用的操作方法，希望對(duì)大家解答”C#實(shí)現(xiàn)商城購(gòu)物功能的代碼怎么寫”的疑惑有所幫助！接下來，請(qǐng)跟著小編一起來學(xué)習(xí)吧！
商品類
namespace ShoppingSystem
{
/*
* 商品信息包括：商品名稱、商品價(jià)格、商品型號(hào)、商品描述等
*/
/// <summary>
/// 商品類
/// </summary>
class Goods
{
/// <summary>
/// 商品名稱
/// </summary>
private string goodName;
/// <summary>
/// 商品價(jià)格
/// </summary>
private float goodPrice;
/// <summary>
/// 商品型號(hào)
/// </summary>
private string[] goodModel = new string[2];
/// <summary>
/// 商品類別
/// </summary>
private string goodType;
/// <summary>
/// 商品描述
/// </summary>
private string goodDescribe;
/// <summary>
/// 賣家
/// </summary>
private Seller seller;
public Seller Seller
{
get
{
return seller;
}
set
{
seller = value;
}
}
public string GoodName
{
get
{
return goodName;
}
set
{
goodName = value;
}
}
public float GoodPrice
{
get
{
return goodPrice;
}
set
{
goodPrice = value;
}
}
public string[] GoodModel
{
get
{
return goodModel;
}
set
{
goodModel = value;
}
}
public string GoodType
{
get
{
return goodType;
}
set
{
goodType = value;
}
}
public string GoodDescribe
{
get
{
return goodDescribe;
}
set
{
goodDescribe = value;
}
}
/// <summary>
/// 構(gòu)造函數(shù)，對(duì)各個(gè)變量賦值并添加商品描述
/// </summary>
/// <param name="goodName">商品名</param>
/// <param name="goodPrice">商品價(jià)格</param>
/// <param name="goodId">商品編號(hào)</param>
/// <param name="goodModel">商品型號(hào)</param>
/// <param name="goodType">商品類別</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 + "|";
}
}
}商品總庫(kù)
namespace ShoppingSystem
{
class GoodsSql
{
/// <summary>
/// 商品總庫(kù)
/// </summary>
private Goods[] good = new Goods[20];
public Goods[] Good
{
get
{
return good;
}
set
{
good = value;
}
}
}
}用戶類
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ShoppingSystem
{
/// <summary>
/// 用戶類
/// </summary>
class User
{
/// <summary>
/// 用戶名
/// </summary>
private string username;
/// <summary>
/// 用戶余額
/// </summary>
private float userBalance;
/// <summary>
/// 購(gòu)物車
/// </summary>
private ShoppingCart cart = new ShoppingCart();
public User(string username, float userBalance)
{
this.username = username;
this.userBalance = userBalance;
cart.User = this;
}
public string Username
{
get
{
return username;
}
set
{
username = value;
}
}
public float UserBalance
{
get
{
return userBalance;
}
set
{
userBalance = value;
}
}
public ShoppingCart Cart
{
get
{
return cart;
}
set
{
cart = value;
}
}
/// <summary>
/// 加入購(gòu)物車
/// </summary>
/// <param name="good">要加入的商品</param>
/// <param name="goodsNum">要買的數(shù)量</param>
public void BuyGoods(Goods good, int goodsNum)
{
cart.AddGoods(good, goodsNum);
//TODO
}
/// <summary>
/// 結(jié)算并清空購(gòu)物車
/// </summary>
public void CheckoutCart()
{
cart.CheckoutCart();
}
}
}賣家類
using System;
namespace ShoppingSystem
{
/// <summary>
/// 賣家類
/// </summary>
class Seller
{
/// <summary>
/// 賣家姓名
/// </summary>
private string sellerName;
/// <summary>
/// 賣家余額
/// </summary>
private float sellerBalance;
/// <summary>
/// 賣家商品數(shù)組
/// </summary>
private Goods[] sellerGoods = new Goods[5];
public Seller(string sellerName, float sellerBalance)
{
this.sellerName = sellerName;
this.sellerBalance = sellerBalance;
}
public string SellerName
{
get
{
return sellerName;
}
set
{
sellerName = value;
}
}
public float SellerBalance
{
get
{
return sellerBalance;
}
set
{
sellerBalance = value;
}
}
public Goods[] SellerGoods
{
get
{
return sellerGoods;
}
set
{
sellerGoods = value;
}
}
/// <summary>
/// 上架新商品
/// </summary>
/// <param name="good"></param>
public void AddGood(Goods good,GoodsSql goods)
{
for (int i = 0; i < sellerGoods.Length; i++)
{
if (sellerGoods[i] == null)
{
sellerGoods[i] = good;
good.Seller = this;
for (int j = 0; j < goods.Good.Length; j++)
{
if (goods.Good[j] == null)
{
goods.Good[j] = good;
break;
}
}
Console.WriteLine("添加商品成功！");
break;
}
if (i == sellerGoods.Length - 1)
{
Console.WriteLine("添加商品失??！已達(dá)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">商品名稱</param>
/// <param name="goodPrice">商品價(jià)格</param>
/// <param name="goodId">商品編號(hào)</param>
/// <param name="goodModel">商品型號(hào)</param>
/// <param name="goodType">商品種類</param>
public void UpdateGoodInfo(Goods good, string goodName, 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("更新商品信息失敗！");
}
}
}服務(wù)類
namespace ShoppingSystem
{
class Service
{
private Goods[] goods = new Goods[20];
public Goods[] Goods
{
get
{
return goods;
}
set
{
goods = value;
}
}
/// <summary>
/// 按類型搜索商品
/// </summary>
/// <param name="goodType"></param>
/// <param name="goods"></param>
public void Search(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];
}
}
}
}
}購(gòu)物車類
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ShoppingSystem
{
/// <summary>
/// 購(gòu)物車類
/// </summary>
class ShoppingCart
{
/// <summary>
/// 購(gòu)物條目數(shù)組
/// </summary>
private ShoppingItems[] items;
/// <summary>
/// 購(gòu)物費(fèi)用總計(jì)
/// </summary>
private float totalPrice = 0.00f;
/// <summary>
/// 購(gòu)物車所屬用戶
/// </summary>
private User user;
public ShoppingItems[] Items
{
get
{
return items;
}
set
{
items = value;
}
}
public float TotalPrice
{
get
{
return totalPrice;
}
set
{
totalPrice = value;
}
}
public User User
{
get
{
return user;
}
set
{
user = value;
}
}
/// <summary>
/// 添加商品到購(gòu)物車
/// </summary>
/// <param name="good">要加入的商品</param>
/// <param name="goodsNum">要買的數(shù)量</param>
public void AddGoods(Goods good, int goodsNum)
{
//若購(gòu)物車條目為空，實(shí)例化購(gòu)物車條目數(shù)組
if (items == null)
{
items = new ShoppingItems[10];
}
//加入商品條目到購(gòu)物條目數(shù)組
for (int i = 0; i < items.Length; i++)
{
if (items[i] == null)
{
items[i] = new ShoppingItems();
items[i].Good = good;
items[i].GoodsNum = goodsNum;
totalPrice += good.GoodPrice * goodsNum;
Console.WriteLine($"已將{good.GoodDescribe}數(shù)量：{goodsNum}，加入購(gòu)物車");
break;
}
if (i == items.Length - 1)
{
Console.WriteLine("購(gòu)物車已滿！");
}
}
}
/// <summary>
/// 結(jié)算并清空購(gòu)物車
/// </summary>
public void CheckoutCart()
{
//判斷購(gòu)物車是否為空
if (items == null)
{
Console.WriteLine("您的購(gòu)物車中沒有商品！");
return;
}
foreach (var item in items)
{
if (item != null)
{
item.Good.Seller.SellerBalance += item.Good.GoodPrice * item.GoodsNum;
Console.WriteLine($"商品名稱：{item.Good.GoodName}");
}
}
Console.WriteLine($"{user.Username}已經(jīng)清空了購(gòu)物車，共計(jì)花費(fèi){totalPrice}元");
user.UserBalance -= totalPrice;
items = null;
//TODO
}
public void selectCart()
{
if (items == null)
{
Console.WriteLine("您的購(gòu)物車是空的！");
return;
}
foreach (var item in items)
{
Console.WriteLine($"{item.Good.GoodDescribe}數(shù)量：{item.GoodsNum}");
}
}
}
}購(gòu)物車條目類
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ShoppingSystem
{
/// <summary>
/// 購(gòu)物車中的商品條目類
/// </summary>
class ShoppingItems
{
/// <summary>
/// 商品
/// </summary>
private Goods good;
/// <summary>
/// 要買的數(shù)量
/// </summary>
private int goodsNum;
public Goods Good
{
get
{
return good;
}
set
{
good = value;
}
}
public int GoodsNum
{
get
{
return goodsNum;
}
set
{
goodsNum = value;
}
}
}
}服務(wù)臺(tái)
這里其實(shí)應(yīng)該封裝不少東西，我偷懶了，不搞了
using System;
namespace ShoppingSystem
{
/// <summary>
/// 軟件使用類
/// </summary>
class SoftwareUsage
{
/// <summary>
/// 獲取用戶指令
/// </summary>
/// <returns></returns>
public string Order()
{
Console.WriteLine("請(qǐng)先輸入指令：");
Console.WriteLine("0-退出，1-搜索，2-購(gòu)買，3-清空并結(jié)算購(gòu)物車，4-查詢購(gòu)物車");
return Console.ReadLine();
}
}
}程序入口main函數(shù)：
using System;
namespace ShoppingSystem
{
class Program
{
static void Main(string[] args)
{
GoodsSql goodsSql = new GoodsSql();
Service service = new Service();
User user = new User("岳翔", 10000000.00f);
SoftwareUsage use = new SoftwareUsage();
Seller seller01 = new Seller("賣家1", 10000.00f);
Seller seller02 = new Seller("賣家2", 10000.00f);
Seller seller03 = new Seller("賣家3", 10000.00f);
Goods good01 = new Goods("編程之美(圖書)", 120.00f, new string[]{ "質(zhì)量", "普通版" }, "圖書");
Goods good02 = new Goods("編程之美(圖書)", 145.00f, new string[]{ "質(zhì)量", "精裝版" }, "圖書");
Goods good03 = new Goods("三毛流浪記(圖書)", 20.00f, new string[]{ "質(zhì)量", "普通版" }, "圖書");
Goods good04 = new Goods("三毛流浪記(圖書)", 25.00f, new string[]{ "質(zhì)量", "精裝版" }, "圖書");
Goods good05 = new Goods("iPhone 100(手機(jī))", 6000.00f, new string[]{ "RAM", "64GB" }, "手機(jī)");
Goods good06 = new Goods("iPhone 100(手機(jī))", 7000.00f, new string[]{ "RAM", "128GB" }, "手機(jī)");
Goods good07 = new Goods("iPhone 100(手機(jī))", 9000.00f, new string[]{ "RAM", "512GB" }, "手機(jī)");
Goods good08 = new Goods("Nokia(手機(jī))", 1000.00f, new string[]{ "型號(hào)", "E63" }, "手機(jī)");
Goods good09 = new Goods("Nokia(手機(jī))", 2000.00f, new string[]{ "型號(hào)", "N95" }, "手機(jī)");
Goods good10 = new Goods("Nokia(手機(jī))", 2300.00f, new string[]{ "型號(hào)", "N97" }, "手機(jī)");
Goods good11 = new Goods("Mac Book Pro(電腦)", 18000.00f, new string[]{ "配置", "低配版" }, "電腦");
Goods good12 = new Goods("Mac Book Pro(電腦)", 20000.00f, new string[]{ "配置", "中配版" }, "電腦");
Goods good13 = new Goods("Mac Book Pro(電腦)", 22000.00f, new string[]{ "配置", "?配版" }, "電腦");
seller01.AddGood(good01, goodsSql);
seller01.AddGood(good02, goodsSql);
seller01.AddGood(good03, goodsSql);
seller01.AddGood(good04, goodsSql);
seller01.AddGood(good05, goodsSql);
seller02.AddGood(good06, goodsSql);
seller02.AddGood(good07, goodsSql);
seller02.AddGood(good08, goodsSql);
seller02.AddGood(good09, goodsSql);
seller02.AddGood(good10, goodsSql);
seller03.AddGood(good11, goodsSql);
seller03.AddGood(good12, goodsSql);
seller03.AddGood(good13, goodsSql);
Console.Clear();
while (true)
{
string order = use.Order();
switch (order)
{
case "0":
Console.WriteLine("購(gòu)物結(jié)束！");
return;
case "1":
Console.WriteLine("請(qǐng)輸入搜索關(guān)鍵詞：");
string goodType = Console.ReadLine();
service.Search(goodType, goodsSql);
Goods[] goods = service.Goods;
Console.WriteLine($"當(dāng)前買家{user.Username}正在搜索商品：{goodType}");
Console.WriteLine("-----------------------");
foreach (var item in goods)
{
if (item != null)
{
Console.WriteLine($"商品名：{item.GoodName}，商品類型（{item.GoodModel[0]}）" +
$"{item.GoodModel[1]},{item.GoodPrice}元");
}
}
Console.WriteLine("-----------------------");
break;
case "2":
if (service.Goods[0] == null)
{
Console.WriteLine("請(qǐng)先搜索選購(gòu)！");
break;
}
Console.WriteLine("請(qǐng)先輸入商品編號(hào)：");
int goodId = Int32.Parse(Console.ReadLine());
Console.WriteLine("請(qǐng)先輸入商品數(shù)量：");
int goodsNum = Int32.Parse(Console.ReadLine());
user.BuyGoods(service.Goods[goodId - 1], goodsNum);
Console.WriteLine("-----------------------");
break;
case "3":
user.CheckoutCart();
Console.WriteLine($"賬戶余額：{user.UserBalance}");
break;
case "4":
user.Cart.selectCart();
break;
default:
Console.WriteLine("您輸入的指令不正確！");
break;
}
}
}
}
}到此，關(guān)于“C#實(shí)現(xiàn)商城購(gòu)物功能的代碼怎么寫”的學(xué)習(xí)就結(jié)束了，希望能夠解決大家的疑惑。理論與實(shí)踐的搭配能更好的幫助大家學(xué)習(xí)，快去試試吧！若想繼續(xù)學(xué)習(xí)更多相關(guān)知識(shí)，請(qǐng)繼續(xù)關(guān)注億速云網(wǎng)站，小編會(huì)繼續(xù)努力為大家?guī)砀鄬?shí)用的文章！
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