自动售货机系统程序

Coin类：#include <iostream>#include <string>#include <vector>using namespace std;class Coin{public:/**Constructs a coin with a given name and value @param n the coin name@param v the coin value*/Coin(string n, double v);/**Gets the coin name.@return the name*/string get_name() const;/**Gets the coin value@return 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() const{return name;}double Coin::get_value() const{return value;}Product类：#include <iostream>#include <string>#include <vector>using namespace std;class Product{public:/**Constructs a product with a given name, price and quantity@param n the product name@param p the price@param q the quantity*/Product(string n, double p, int q); /**Gets the product name@return the name*/string get_name() const;/**Gets the product price@return the price*/double get_price() const;/**Gets the product quantity@return the quantity*/int get_quantity() const;/**Adds to the product quantity@param 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;price = p;quantity = q;}string Product::get_name() const{return name;}double Product::get_price() const{return price;}int Product::get_quantity() const{return quantity;}void Product::add_quantity(int amount){quantity = quantity + amount;}VendingMachine类：class VendingMachine{public:/**Constructs a vending machine with no currentproduct selection.*/VendingMachine();/**Adds product to the machine.@param p the product to add*/void add_product(Product p);/**Sets the currently selected product@param name the product name@return true if the machine has a product with the given name*/bool select_product(string name);void 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 add@return 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.@return 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();double add_coinbijiao(vector<Coin> current_pay );//对投入的金钱和所购买的商品的价格进行比较double return_yiyoucoins();//统计售货机中已有的货款void setcurrent_product();//把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.size(); i++){if (products[i].get_name() == p.get_name() && products[i].get_price() == p.get_price()){products[i].add_quantity(p.get_quantity());cout<<"添加成功！"<<endl;return;}else if(products[i].get_name() == p.get_name() && products[i].get_price() != p.get_price()){cout<<"已存在该商品，与您输入的价格不同！"<<endl;return;}}products.push_back(p);cout<<"添加成功！"<<endl;}bool VendingMachine::select_product(string name)//选择商品{int i;for ( i = 0; i < products.size(); i++){if (products[i].get_name() == name && products[i].get_quantity() > 0){current_product = i;return true;}else{if(products[i].get_name() == name && products[i].get_quantity() == 0){cout << "对不起，该商品已售完！\n";return false;}}}if(i==products.size()){cout<<"对不起，不存在该商品！"<<endl;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 + coins[i].get_value();}return total;}bool VendingMachine::add_coin(vector<Coin> current_pay )//投币购买商品{if (current_product == -1) return false;for(int k=0;k < current_pay.size(); k++){current_payment.push_back(current_pay[k]);}double total = 0;for (int i = 0; i < current_payment.size(); i++)//计算投入的总钱数{total = total + current_payment[i].get_value();}if (total >= products[current_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_payment[i]);current_payment.pop_back();}products[current_product].add_quantity(-1);current_product = -1;cout<<"交易成功！"<<endl;return true;}else{return false;}}double VendingMachine::add_coinbijiao(vector<Coin> current_pay ){if (current_product == -1) return false;double total = 0;for(int k=0;k < current_pay.size(); k++){total = total + current_pay[k].get_value();}double m=products[current_product].get_price()-total;if (m>0)return m;elsereturn -1;}double 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_payment[i].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--)total = total + coins[i].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;}else{cout<<"商品名"<<"\t\t"<<"价格"<<"\t\t"<<"数量"<<endl;for (int i = 0; i < products.size(); i++){cout<<products[i].get_name()<<"\t\t"<<products[i].get_price()<<"\t\t"<<pro ducts[i].get_quantity()<<endl;}}}void VendingMachine::setcurrent_product(){current_product=-1;}int VendingMachine::getcurrent_product()return current_product;}Main函数：#include <iostream>#include <string>#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_back(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(total1>=5000)//当售货机中的货款大于等于5000时，暂停售货 {cout<<"对不起，现在暂停售货！"<<endl;}else{machine.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(!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 (coins[i].get_name() == name){current_pay.push_back(coins[i]);found=true;}}if(!found){cout << "不存在该货币，请重新投入：\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;}else{cout<<"您的金额不足，还差 "<<k<<" 是否继续投币 Y N :";string jixu;cin>>jixu;if(jixu!="Y"){machine.setcurrent_product();double total=0;for (int i = current_pay.size() - 1; i >= 0; i--){total = total + current_pay[i].get_value();current_pay.pop_back();}cout << "Returned(退还) " <<total<< "\n";panduan=true;}}}}elsecout<<"您还没有选择商品！"<<endl;}else if (command == "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_pay[i].get_value();current_pay.pop_back();}cout << "Returned(退还) " <<total<< "\n";}else if (command == "r")cout << "Removed (取走) " << machine.remove_money() << "\n";else if(command=="x"){machine.chaxun_product();}else if(command=="e")//查询当前售货机中的货款cout<<"当前金额:"<<machine.return_yiyoucoins()<<endl;else if(command == "q")more = false;}}double VendingMachine::remove_money()//取钱{double total = 0;for (int i = coins.size() - 1; i >= 0; i--){total = total + coins[i].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;}else{cout<<"商品名"<<"\t\t"<<"价格"<<"\t\t"<<"数量"<<endl;for (int i = 0; i < products.size(); i++){cout<<products[i].get_name()<<"\t\t"<<products[i].get_price()<<"\t\t"<<pro ducts[i].get_quantity()<<endl;}}}void VendingMachine::setcurrent_product(){current_product=-1;}int VendingMachine::getcurrent_product() {return current_product;}}JAVAimport Input.touqian;import java.*;class shangpin{String name;int num;public shangpin(String name,int num){=name;this.num=num;}}class fenpeiqi{double price;shangpin sp[]=new shangpin[3];public fenpeiqi(double price){this.price=price;}}class xianshichanpin{fenpeiqi fpq[]=new fenpeiqi[3];public xianshichanpin(){fpq[0]=new fenpeiqi(3.0);fpq[0].sp[0]=new shangpin("玉米烤肠 ",10);fpq[0].sp[1]=new shangpin("可口可乐 ",15);fpq[0].sp[2]=new shangpin("百事可乐 ",10);fpq[1]=new fenpeiqi(5.0);fpq[1].sp[0]=new shangpin("哈德门香烟",10);fpq[1].sp[1]=new shangpin("将军香烟 ",15);fpq[1].sp[2]=new shangpin("红梅香烟 ",10);fpq[2]=new fenpeiqi(10.0);fpq[2].sp[0]=new shangpin("一支笔香烟",10);fpq[2].sp[1]=new shangpin("红塔山香烟",10);fpq[2].sp[2]=new shangpin("泰山香烟 ",15);}void show(){System.out.println("==============================================================================");System.out.println("# #");System.out.println("# #");System.out.println("# 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\t\t"+"名称\t\t\t"+"价格\t\t"+"数量\t");for(int i=0;i<fpq.length;i++){if(fpq[i]!=null){for(int j=0;j<fpq[i].sp.length;j++){if(fpq[i].sp[j]!=null){System.out.println((i+1)*10+j+1+"\t\t"+fpq[i].sp[j].name+"\t\t"+fpq[i].price+"\t\t"+fpq[i].sp[j].num);}}}}System.out.println("==============================================================================");}}class panduanboolean ying(){double y=touqian.dou();if(y==1||y==0.5){return true;}else{return false;}}boolean zhi(){int z=touqian.in();if(z==5||z==10){return true;}else{return false;}}}class jiabi{void ceshi(){System.out.println("请选择投放钱的类型 ");System.out.println("1 表示投放硬币");System.out.println("2 表示投放纸币");System.out.println("请输入您选择的钱的类型："); panduan pd=new panduan();switch(touqian.in()){case 1:System.out.println("请您投入有效的面值");if(pd.ying()){System.out.println("您投入的是有效地硬币");System.out.println();// System.out.println("^_^ 请选择您所需要的物品^_^");}else{System.out.println("您投入的不是有效地硬币,请您重新投入");}break;case 2 :System.out.println("请您投入有效的面值");if(pd.zhi()){System.out.println("您投入的是有效的纸币");System.out.println();// System.out.println("^_^ 请选择您所需要的物品^_^");}else{System.out.println("您投入的不是有效的纸币，请您重新投入");}break;default :System.out.println("请您重新投入有效地货币");}}}class chanpin{public static void main(String args[]){xianshichanpin xscp=new xianshichanpin();xscp.show();System.out.println("请输入您想要产品的编码：");int bianma;bianma=touqian.in();System.out.println("请输入您想要产品的数量：");int shuliang;shuliang=touqian.in();System.out.println("您一共要付：");double sumjine;sumjine=}}。