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day05 c#简单的购物系统

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public class Goods
{
public string name;
public float price;
public string type;
public string information;
public Goods(string name, float price, string type, string information)
{
this.name = name;
this.price = price;
this.type = type;
this.information = information;
}
}

public class Seller
{
#region
public string name;
public int goodsNumber;
public void Show(Goods goods)
{
if (goodsNumber < 5)
{
Console.WriteLine("填写商品名称:");
string name = Console.ReadLine();
Console.WriteLine("填写商品价格:");
float price = float.Parse(Console.ReadLine());
Console.WriteLine("填写商品类型:");
string type = Console.ReadLine();
Console.WriteLine("填写商品描述:");
string information = Console.ReadLine();
goods = new Goods(name,price,type,information);
goodsNumber += 1;
}
else
{
Console.WriteLine("商场放不下了!!!");
Console.WriteLine("/黑人?????/");
}
}
public void ChangeGoods(Goods[] goods,string str)
{
for (int i = 0; i < goods.Length; i++)
{
if (goods[i].name.Contains(str))
{
Console.Write("商品名称:");
Console.WriteLine(goods[i].name);
Console.Write("商品价格:");
Console.WriteLine(goods[i].price);
Console.Write("商品类型:");
Console.WriteLine(goods[i].type);
Console.Write("商品描述:");
Console.WriteLine(goods[i].information);
}
}

}

#endregion
}

public class Buyer
{
public string name;
public float money;
public ShoppingCar shoppingCar;
int i = 0;
public void AddShoppingCar(Buyer buyer,string str,ShoppingCar shoppingCar)
{
shoppingCar.buyerName = buyer.name;

for (int i = 0; i < shoppingCar.goodsName.Length; i++)
{
if (shoppingCar.goodsName[i] == str)
{
Console.WriteLine("已经在购物车了老弟,你没法买更多这个物品了!!");
return;
}
}
if (i < shoppingCar.goodsName.Length)
{
shoppingCar.goodsName[i] = str;
i++;
return;
}
}
public void EndBuy(Buyer buyer,Goods[] goods)
{
buyer.shoppingCar.EndBuy(buyer,goods);
}
}
public class TaoBao
{
public int[] seekList;
public void SeekGoods(string str,Goods[] goods)
{
int i = 0;
seekList = new int[goods.Length];
while ( i < goods.Length)
{

if (goods[i].name.Contains(str))
{
for (int a = 0; a < seekList.Length; a++)
{
if (seekList[a] == 0)
{
seekList[a] = i+1;
}
}
Console.Write("商品名称:");
Console.WriteLine(goods[i].name);
Console.Write("商品价格:");
Console.WriteLine(goods[i].price);
Console.Write("商品类型:");
Console.WriteLine(goods[i].type);
Console.Write("商品描述:");
Console.WriteLine(goods[i].information);
break;
}
i++;
}
}
public void ShowGoods(string str, Goods[] goods)
{
for (int i = 0; i < goods.Length; i++)
{
if (goods[i].name != null)
{
Console.Write("商品名称:");
Console.WriteLine(goods[i].name);
Console.Write("商品价格:");
Console.WriteLine(goods[i].price);
Console.Write("商品类型:");
Console.WriteLine(goods[i].type);
Console.Write("商品描述:");
Console.WriteLine(goods[i].information);
}
}
}
}
public class ShoppingCar
{
public string[] goodsName=new string[5];
public string buyerName;
public void ShowGoods(Goods[] goods)
{
for (int i = 0; i < goodsName.Length; i++)
{
for (int a = 0; a < goods.Length; a++)
{
if (goodsName[i] == goods[a].name)
{
Console.Write("商品名称:");
Console.WriteLine(goods[a].name);
Console.Write("商品价格:");
Console.WriteLine(goods[a].price);
Console.Write("商品类型:");
Console.WriteLine(goods[a].type);
Console.Write("商品描述:");
Console.WriteLine(goods[a].information);
Console.WriteLine("------------------------");
}
}
}
}
public void EndBuy(Buyer buyer,Goods[] goods)
{
for (int i = 0; i < goodsName.Length; i++)
{
for (int a = 0; a < goods.Length; a++)
{
while (goods[a] == null)
{
a += 1;
}
if (goodsName[i] == goods[a].name)
{
if (buyer.money - goods[a].price < 0)
{
Console.WriteLine("你的钱不够了老弟");
}
else
{
buyer.money -= goods[a].price;
Console.WriteLine("你购买了" + goods[a].name);
goods[a] = null;
break;
}

}
}

}
Console.WriteLine("本次购物结束,剩余"+buyer.money+"元钱");
}
}
class Program
{

static void Main(string[] args)
{
//Tool tool = new Tool ();
//tool.Sheep(2);
//Console.WriteLine("请输入想知道的斐波那契的第几个数字");
//tool.count = int.Parse(Console.ReadLine())-1;
//tool.fib() ;
bool start = true;
Seller seller = new Seller();
Goods[] goods = new Goods[5];
//Goods[] goods1 = new Goods[5];
//for (int i = 0; i < goods.Length; i++)
//{
// seller.Show(goods1[i]);
//}
goods[0] = new Goods("手机", 1000f, " "," ");
goods[1] = new Goods("手1机", 1000f, " ", " ");
goods[2] = new Goods("手2机", 1000f, " ", " ");
goods[3] = new Goods("手3机", 1000f, " ", " ");
goods[4] = new Goods("手4机", 1000f, " ", " ");
Console.WriteLine("商品有");
for (int i = 0; i < goods.Length; i++)
{
Console.WriteLine(goods[i].name);
}

Buyer buyer = new Buyer();
Console.WriteLine("今天带了多少钱呢?");
buyer.money = float.Parse(Console.ReadLine());


TaoBao taoBao = new TaoBao();
ShoppingCar shoppingCar = new ShoppingCar();
buyer.shoppingCar = shoppingCar;

while (start)
{
Console.WriteLine("请输入命令:");
Console.WriteLine("0-返回菜单,1-搜索,2=加入购物车,3-清空购物车(结账),4-查看购物车,5-退出程序");
switch (Console.ReadLine())
{
case "0":
break ;
case "1":
Console.Clear();
Console.WriteLine("请输入关键词");
taoBao.SeekGoods(Console.ReadLine( ),goods);
break;
case "2":
Console.Clear();
Console.WriteLine("把找到的全部加入购物车?");
Console.WriteLine("1-Yes;2-No;3-选择部分");
switch (Console.ReadLine())
{

case "1":
Console.Clear();
int m = 0;
if ( m < taoBao.seekList.Length)
{
buyer.AddShoppingCar(buyer, goods[taoBao.seekList[m]-1].name, shoppingCar);
m++;
}
break;
case "2":
break;
case "3":
Console.Clear();
Console.WriteLine("要加入购物车的名字");
Console.WriteLine("要加入购物车的型号");
for (int i = 0;i {
if (i == goods.Length)
{
Console.WriteLine("输入错误信息,请重新开始");
break;
}
if (goods[i].name == Console.ReadLine() && goods[i].type == Console.ReadLine())
{
buyer.AddShoppingCar(buyer, goods[i].name, shoppingCar);
}

}
break;
case "5":
return;
default:
Console.WriteLine("输入错误信息,请重新开始");
break;

}
break;
case "3":
Console.Clear();
shoppingCar.EndBuy(buyer,goods);
return;
case "4":
Console.Clear();
shoppingCar.ShowGoods(goods);
break;
default:
Console.Clear();
Console.WriteLine("输入错误信息,请重新开始");
break;

}

}
}
}

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