自动售货机系统程序

1、Coin 类:#include <iostream>#include <string>#include <vector> using namespace std;class Coin public:/*Constructs a coin with a given name and valueparam n the coin nameparam v the coin value*/Coin(string n, double v);/*Gets the coin name.return the name*/string get_name() const;/*Ge

2、ts the coin valuereturn the value*/double get_value() const;private:string name;double value;Coin:Coin(string n, double v)name = n;value = v;string Coin:get_name() constreturn name; double Coin:get_value() const return value;Product 类：#include <iostream>#include <string>#include <vect

3、or>using namespace std;class Productpublic:Constructs a product with a given name, price and quantityparam n the product nameparam p the priceparam q the quantity*/Product(string n, double p, int q);/*Gets the product namereturn the name*/string get_name() const;/*Gets the product pricereturn the

4、 price*/double get_price() const;/*Gets the product quantityreturn the quantity*/int get_quantity() const;/*Adds to the product quantityparam amount the amount to add*/void add_quantity(int amount);private:string name;double price;int quantity;Product:Product(string n, double p, int q) name = n;pric

5、e = p;quantity = q;string Product:get_name() constreturn name;double Product:get_price() constreturn price;int Product:get_quantity() constreturn quantity;void Product:add_quantity(int amount)quantity = quantity + amount;VendingMachine 类:class VendingMachine public:/*Constructs a vending machine wit

6、h no current product selection.*/VendingMachine();/*Adds product to the machine.param p the product to add*/void add_product(Product p);/*Sets the currently selected productparam name the product namereturn true if the machine has a product with the given name*/bool select_product(string name);void

7、chaxun_product();查询当前售货机内的商品Adds a coin to pay for the currently selected product.param c the coin to addreturn true if sufficient coins have been added to pay for the selected product.*/bool add_coin(vector<Coin> current_pay);Removes all coins that were added to pay for the currentproduct.ret

8、urn the value of the returned coins*/double return_coins();/*Removes all money that was paid for products.return the value of the money*/double remove_money();current_pay );/对投入的金钱和所购买的商品的价格进行double add_coinbijiao(vector<Coin>比较double return_yiyoucoins(); 统计售货机中已有的货款void setcurrent_product();把

9、当前选择的商品代号置为-1int getcurrent_product();得到当前选择的商品代号private:vector<Product> products;int current_product;vector<Coin> current_payment;vector<Coin> coins;VendingMachine:VendingMachine()current_product = -1;void VendingMachine:add_product(Product p)/添加商品for (int i = 0; i < products.s

10、ize(); i+)if (productsi.get_name() = p.get_name() && productsi.get_price() = p.get_price()productsi.add_quantity(p.get_quantity();cout«"添加成功！ "vvendl;return;!=else if(productsi.get_name() = p.get_name() && productsi.get_price() p.get_price()coutvv"已存在该商品，与您输入的价格不同

11、！"vvendl;return;products.push_back(p);coutvv"添加成功！"vvendl;bool VendingMachine:select_product(string name)/选择商品int i;for ( i = 0; i v products.size(); i+)if (productsi.get_name() = name && productsi.get_quantity() > 0)current_product = i;return true;elseif(productsi.get_name

12、() = name && productsi.get_quantity() = 0) cout << "对不起，该商品已售完！n"return false;if(i=products.size()coutvv"对不起，不存在该商品！"vvendl;return false;double VendingMachine:return_yiyoucoins()统计售货机当前的金钱总额double total = 0;for (int i = coins.size() - 1; i >= 0; i-)total = total

13、+ coinsi.get_value();return total;bool VendingMachine:add_coin(vector<Coin> current_pay )/投币购买商品if (current_product = -1) return false;current_payment.push_back(current_payk);for(int k=0;k < current_pay.size(); k+)double total = 0;for (int i = 0; i < current_payment.size(); i+)计算投入的总钱数to

14、tal = total + current_paymenti.get_value();if (total >= productscurrent_product.get_price()投入的钱数与所购商品的价格比较for (int i = current_payment.size() - 1; i >= 0; i-)coins.push_back(current_paymenti);current_payment.pop_back();productscurrent_product.add_quantity(-1);current_product = -1;coutvv"交

15、易成功！"endl;return true;elsereturn false;double VendingMachine:add_coinbijiao(vector<Coin> current_pay )if (current_product = -1) return false;double total = 0;total = total + current_payk.get_value();double m=productscurrent_product.get_price()-total;if (m>0)return m;elsereturn -1;doubl

16、e VendingMachine:return_coins()统计当前投入的金钱总额double total = 0;for (int i = current_payment.size() - 1; i >= 0; i-)total = total + current_paymenti.get_value();current_payment.pop_back();return total;double VendingMachine:remove_money()取钱double total = 0;for (int i = coins.size() - 1; i >= 0; i-)t

17、otal = total + coinsi.get_value(); coins.pop_back();return total;void VendingMachine:chaxun_product()if(products.size()=0)cout«"暂时没有添加商品!"<<endl;elsecoutvv"商品名"vv"tt"vv" 价格"vv"tt"vv" 数量"vvendl;for (int i = 0; i < products.size

18、(); i+)coutvvproductsi.get_name()vv"tt"vvproductsi.get_price()vv"tt"vvproduc tsi.get_quantity()v<endl;void VendingMachine:setcurrent_product()current_product=-1;int VendingMachine:getcurrent_product()return current_product;Main函数：#include <iostream>#include <string>

19、;#include <vector>#include"coin.h"#include"product.h"#include"machine.h"using namespace std;void main()vector<Coin> coins;vector<Coin> current_pay;coins.push_back(Coin("nickel", 0.05);coins.push_back(Coin("dime", 0.1);coins.push_bac

20、k(Coin("quarter", 0.25);coins.push_back(Coin("rmb", 1.00);VendingMachine machine;bool more = true;machine.chaxun_product();while (more)cout << "a)添加商品x)查询商品s)选择商品p)投币c)取消e)查询当前金额r)取款q)退出:string command;cin»command;if (command = "a")cout << "商品

21、名："；string name;cin»name;cout << "价格:"double price;cin >> price;cout << "数量:"int quantity;cin >> quantity;machine.add_product(Product(name, price, quantity);else if (command = "s")double total1;total1=machine.return_yiyoucoins();if(tota

22、l1>=5000) 当售货机中的货款大于等于5000时，暂停售货coutvv"对不起，现在暂停售货！"vvendl;elsemachine.setcurrent_product();cout << "商品名:"string name;cin>>name;machine.select_product(name);else if (command = "p")if(machine.getcurrent_product()!=-1)如果当前已选择商品，才可以投币bool panduan=false;while(

23、!panduan)多次投币的实现cout << "所投钱币名称(以#结束投币过程):"； string name;cin»name;while(name!="#")bool found = false;for (int i = 0; !found && i < coins.size(); i+)if (coinsi.get_name() = name)current_pay.push_back(coinsi); found=true;if(!found)cout << "不存在该货币，请重

24、新投入：n"cin>>name;double k=machine.add_coinbijiao(current_pay );if(k=-1)machine.add_coin(current_pay);for (int i = current_pay.size() - 1; i >= 0; i-)current_pay.pop_back();panduan=true;elsecoutvv"您的金额不足，还差 "vvkvv"是否继续投币 Y N :"string jixu;cin»jixu;if(jixu!="

25、Y")machine.setcurrent_product();double total=0;for (int i = current_pay.size() - 1; i >= 0; i-)total = total + current_payi.get_value(); current_pay.pop_back();cout vv "Returned( 退还)"vvtotalvv "n"panduan=true;elsecoutvv"您还没有选择商品！"vvendl;else if (command = "

26、c")/取消操作并并退还货款machine.setcurrent_product();double total=0;for (int i = current_pay.size() - 1; i >= 0; i-)total = total + current_payi.get_value(); current_pay.pop_back();cout << "Returned( 退还)"wtotalvv "n"else if (command = "r")cout vv "Removed ( 取走)

27、"vv machine.remove_money() vv "n"else if(command="x")machine.chaxun_product();else if(command="e")/查询当前售货机中的货款coutvv"当前金额："vvmachine.return_yiyoucoins()vvendl;else if(command = "q")more = false;取钱double VendingMachine:remove_money()/double total

28、 = 0;for (int i = coins.size() - 1; i >= 0; i-) total = total + coinsi.get_value(); coins.pop_back();return total;void VendingMachine:chaxun_product()if(products.size()=O)cout«"暂时没有添加商品！"<<endl; else coutvv"商品名"vv"tt"vv" 价格"vv"tt"vv&quo

29、t; 数量"vvendl;for (int i = 0; i < products.size(); i+)coutvvproductsi.get_name()vv"tt"vvproductsi.get_price()vv"tt"vvproductsi.get_quantity()v<endl;void VendingMachine:setcurrent_product()current_product=-1;int VendingMachine:getcurrent_product()return current_product;J

30、AVA import Input.touqian;import java.*;class shangpinString name;int num;public shangpin（String name,int num） =name; this.num=num;class fenpeiqidouble price;shangpin sp=new shangpin3; public fenpeiqi（double price） this.price=price; class xianshichanpinfenpeiqi fpq=new fenpeiqi3;public xians

31、hichanpin（）fpq0】=new fenp eiqi（3.0）;fpq0.sp0=new shangpin（"玉米烤肠",10）;fpq0.sp1=new shangpin（"可口可乐",15）;fpq0.sp2=new shangpin（"百事可乐",10）;fpq1=new fenpeiqi（5.0）;fpq1.sp0=new shangpin（"哈德门香烟",10）;fpq1.sp1=new shangpin（"将军香烟",15）;fpq1.sp2=new shangpin（&qu

32、ot;红梅香烟",10）;fpq2=new fenpeiqi（10.0）;fpq2.sp0=new shangpin（" 一支笔香烟",10）;fpq2.sp1=new shangpin（"红塔山香烟",10）;fpq2.sp2=new shangpin（"泰山香烟",15）;void show()System.out.println("=")；System.out.println("#")；System.out.println("#")；System.out.pr

33、intln("#欢迎使用自动售货机#")；System.out.println("#")；System.out.println("#")；System.out.println("=")；System.out.println();System.out.println(” 编号 tt"+"名称 ttt"+"价格 tt"+"数量 t");for(int i=O;ivfpq.length;i+)if(fpqi!=null)for(int j=O;jvfpqi.sp.length;j+)if(fpqi.spj!=null)System.out.println(i+1)*10+j+1+"tt"++"tt"+fpqi.price+"tt"+fpqi.spj.num);System.out.println("=");class panduanboolean ying()double y=touq