C++实验——Hotdog

我不是女神ヾ 2022-03-19 13:59 202阅读 0赞

# 实验目的： #

1.  **练习面向对象编程；**
2.  **练习STL中vector容器的使用；**
3.  **能够按照UML类图编写相应的程序；**
4.  **练习继承、多态。**

# 实验要求：  #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0F0dGVudGlvbl8w_size_16_color_FFFFFF_t_70][]

![20190217105339832.png][]

1.  **根据客人需要定义hotdog，计算总共需要多少钱？**
2.  **按照UML类图描述编写。**

# 实验材料： #

1.  **食物材料： **

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0F0dGVudGlvbl8w_size_16_color_FFFFFF_t_70 1][] 食物材料

**2. UML图**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0F0dGVudGlvbl8w_size_16_color_FFFFFF_t_70 2][] UML类图

# 测试样例：  #

int main() \{

Hotdog\* hotdog = new Hotdog(new WheatBread());

hotdog->addFood(new Beef());

hotdog->addFood(new Cheese());

hotdog->addFood(new Mustard());

hotdog->addFood(new Onion());

hotdog->addFood(new Tomato());

hotdog->printDetails();

# 代码实现：  #

#include <iostream>
    #include <vector>
    
    using namespace std;
    
    
    //食物材料
    class FoodIngredients
    {
    public:
        int price;
    public:
        FoodIngredients()
        {
            this->price = 0;
        }
        virtual int getPrice() = 0;
        virtual void printDetails() = 0;
    };
    //面包类
    class Bread : public FoodIngredients
    {
    public:
        Bread()
        {
            this->price = 6;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "普通面包：" << this->price << endl;
        }
    };
    
    class Hotdog
    {
    public:
        Hotdog(Bread* bread)
        {
            this->mBread = bread;
            v_hotdog.push_back(mBread);
        }
        void getTotalPrice()
        {
            int total = 0;
            vector<FoodIngredients*>::iterator it = v_hotdog.begin();
            for(;it != v_hotdog.end(); it++)
            {
                total = total + (*it)->price;
            }
            cout << "热狗总价格：" << total << endl;
        }
        void printDetails()
        {
            vector<FoodIngredients*>::iterator it = v_hotdog.begin();
            for(;it != v_hotdog.end(); it++)
            {
                (*it)->printDetails();
            }
        }
        bool addFood(FoodIngredients* foodingredients)
        {
            v_hotdog.push_back(foodingredients);
            return true;
        }
        bool setBread(Bread* bread)
        {
            this->mBread = bread;
            return true;
        }
    private:
        vector<FoodIngredients*> v_hotdog;
        Bread* mBread;
    };
    
    //全麦面包
    class Wheat_bread : public Bread
    {
    public:
        Wheat_bread()
        {
            this->price = 7;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "全麦面包：" << this->price << endl;
        }
    };
    //蜂蜜全麦面包
    class Honey_bread : public Bread
    {
    public:
        Honey_bread()
        {
            this->price = 8;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "蜂蜜全麦面包：" << this->price << endl;
        }
    };
    //肉类
    //培根
    class Bacon : public FoodIngredients
    {
    public:
        Bacon()
        {
            this->price = 8;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "培根：" << this->price << endl;
        }
    };
    //牛肉
    class Beef : public FoodIngredients
    {
    public:
        Beef()
        {
            this->price = 12;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "牛肉：" << this->price << endl;
        }
    };
    //鸡肉
    class Chicken : public FoodIngredients
    {
    public:
        Chicken()
        {
            this->price = 7;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "鸡肉：" << this->price << endl;
        }
    };
    //肉丸
    class Kofta : public FoodIngredients
    {
    public:
        Kofta()
        {
            this->price = 10;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "肉丸：" << this->price << endl;
        }
    };
    //蔬菜类
    //西红柿
    class Tomato : public FoodIngredients
    {
    public:
        Tomato()
        {
            this->price = 2;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "西红柿：" << this->price << endl;
        }
    };
    //生菜
    class Lettuce : public FoodIngredients
    {
        Lettuce()
        {
            this->price = 1;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "生菜：" << this->price << endl;
        }
    };
    //洋葱
    class Onion : public FoodIngredients
    {
    public:
        Onion()
        {
            this->price = 1;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "洋葱：" << this->price << endl;
        }
    };
    //酸黄瓜
    class Sourcucumber : public FoodIngredients
    {
    public:
        Sourcucumber()
        {
            this->price = 1;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "酸黄瓜：" << this->price << endl;
        }
    };
    //黄瓜
    class Cucumber : public FoodIngredients
    {
    public:
        Cucumber()
        {
            this->price = 1;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "黄瓜：" << this->price << endl;
        }
    };
    //紫甘蓝
    class Puplecabbage : public FoodIngredients
    {
    public:
        Puplecabbage()
        {
            this->price = 1;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "紫甘蓝：" << this->price << endl;
        }
    };
    
    //酱料类
    //西红柿酱
    class Tomatosauce : public FoodIngredients
    {
    public:
        Tomatosauce()
        {
            this->price = 1;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "西红柿酱：" << this->price << endl;
        }
    };
    //芥末酱
    class Mustard : public FoodIngredients
    {
    public:
        Mustard()
        {
            this->price = 1;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "芥末酱：" << this->price << endl;
        }
    };
    //蛋黄酱
    class Mayonnaise : public FoodIngredients
    {
    public:
        Mayonnaise()
        {
            this->price = 2;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "蛋黄酱：" << this->price << endl;
        }
    
    };
    //辣酱
    class Chilisaurce : public FoodIngredients
    {
    public:
        Chilisaurce()
        {
            this->price = 1;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "辣酱：" << this->price << endl;
        }
    };
    //起司
    class Cheese : public FoodIngredients
    {
    public:
        Cheese()
        {
            this->price = 2;
        }
        virtual int getPrice()
        {
            return this->price;
        }
        virtual void printDetails()
        {
            cout << "起司：" << this->price << endl;
        }
    };
    
    int main()
    {
        Hotdog* hotdog = new Hotdog(new Bread());
        hotdog->addFood(new Beef());
        hotdog->addFood(new Cheese());
        hotdog->addFood(new Mustard());
        hotdog->addFood(new Onion());
        hotdog->addFood(new Onion());
        hotdog->addFood(new Tomato());
        hotdog->addFood(new Cucumber());
    
        hotdog->printDetails();
        hotdog->getTotalPrice();
    
        delete hotdog;
        return 0;
    }

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[20190217105339832.png]: /images/20220319/10699dc44998410cbdc9dd32446842ef.png
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