用C++写烧烤管理系统

好的，一个烧烤店管理系统通常需要包含以下功能：

1. 菜单管理：管理烧烤店的菜单，包括菜品、价格、库存等信息。
2. 订单管理：记录客户点餐信息、结算等。
3. 库存管理：记录库存信息，包括食材等。
4. 员工管理：管理员工信息、考勤记录等。
5. 数据统计：对烧烤店的营业额、销售情况等进行统计。
6. 系统设置：对系统进行设置，如修改密码、备份数据、日志记录等。

以下是一个简单的烧烤店管理系统的代码示例：

#include <iostream>
#include <vector>
#include <string>

using namespace std;

class Dish {
    private:
        string name;
        double price;
        int stock;
    public:
        Dish(string name, double price, int stock) {
            this->name = name;
            this->price = price;
            this->stock = stock;
        }
        string getName() {
            return name;
        }
        double getPrice() {
            return price;
        }
        int getStock() {
            return stock;
        }
        void setStock(int stock) {
            this->stock = stock;
        }
};

class Order {
    private:
        vector<Dish> dishes;
        double totalPrice;
    public:
        Order() {
            totalPrice = 0;
        }
        void addDish(Dish dish) {
            dishes.push_back(dish);
            totalPrice += dish.getPrice();
        }
        double getTotalPrice() {
            return totalPrice;
        }
};

class Inventory {
    private:
        vector<Dish> dishes;
    public:
        void addDish(Dish dish) {
            dishes.push_back(dish);
        }
        void updateStock(string name, int stock) {
            for (int i = 0; i < dishes.size(); i++) {
                if (dishes[i].getName() == name) {
                    dishes[i].setStock(stock);
                    break;
                }
            }
        }
        int getStock(string name) {
            for (int i = 0; i < dishes.size(); i++) {
                if (dishes[i].getName() == name) {
                    return dishes[i].getStock();
                }
            }
            return -1;
        }
};

class Employee {
    private:
        string name;
        string password;
    public:
        Employee(string name, string password) {
            this->name = name;
            this->password = password;
        }
        string getName() {
            return name;
        }
        bool checkPassword(string password) {
            return this->password == password;
        }
};

class Statistic {
    private:
        double totalSales;
        int totalOrders;
    public:
        Statistic() {
            totalSales = 0;
            totalOrders = 0;
        }
        void addOrder(Order order) {
            totalSales += order.getTotalPrice();
            totalOrders++;
        }
        double getTotalSales() {
            return totalSales;
        }
        int getTotalOrders() {
            return totalOrders;
        }
};

class System {
    private:
        vector<Employee> employees;
        Inventory inventory;
        Statistic statistic;
    public:
        System() {
            // 初始化员工信息、菜单信息等
            employees.push_back(Employee("admin", "123456"));
            inventory.addDish(Dish("烤羊肉串", 1.5, 100));
            inventory.addDish(Dish("烤牛肉串", 2, 80));
            inventory.addDish(Dish("烤鸡翅", 1, 150));
        }
        bool login(string name, string password) {
            for (int i = 0; i < employees.size(); i++) {
                if (employees[i].getName() == name) {
                    return employees[i].checkPassword(password);
                }
            }
            return false;
        }
        void order(string name) {
            int stock = inventory.getStock(name);
            if (stock > 0) {
                Order order;
                order.addDish(Dish(name, 0, 0));
                inventory.updateStock(name, stock - 1);
                statistic.addOrder(order);
                cout << "点餐成功" << endl;
            } else {
                cout << "库存不足" << endl;
            }
        }
        void showStatistic() {
            cout << "总销售额：" << statistic.getTotalSales() << endl;
            cout << "总订单数：" << statistic.getTotalOrders() << endl;
        }
};

int main() {
    System system;
    string name, password;
    cout << "请输入用户名和密码：" << endl;
    cin >> name >> password;
    if (system.login(name, password)) {
        cout << "登录成功" << endl;
        while (true) {
            cout << "请选择操作：" << endl;
            cout << "1. 点餐" << endl;
            cout << "2. 统计信息" << endl;
            cout << "3. 退出" << endl;
            int choice;
            cin >> choice;
            if (choice == 1) {
                cout << "请输入菜名：" << endl;
                cin >> name;
                system.order(name);
            } else if (choice == 2) {
                system.showStatistic();
            } else if (choice == 3) {
                break;
            }
        }
    } else {
        cout << "用户名或密码错误" << endl;
    }
    return 0;
}

以上是一个简单的烧烤店管理系统的代码示例，供您参考。