c++ day5

完成沙发床的多继承,包含指针成员！

#include 

using namespace std;
class Sofa
{
private:
    string siting;
    int *num;//个数，指针成员
public:
    Sofa(){cout << "SOfa::无参构造函数" << endl;}//无参构造
    Sofa(string siting,int num):siting(siting),num(new int(num))//有参构造
    {
        cout << "Sofa::有参构造函数" << endl;
    }
    Sofa(const Sofa &other):siting(other.siting),num(new int(*(other.num)))//拷贝构造
    {
        cout << "Sofa::拷贝构造函数" << endl;
    }
    Sofa &operator=(const Sofa &other)//拷贝赋值
    {
        if (this!=&other)
        {
            siting=other.siting;
            num=new  int(*(other.num));
        }
        cout << "SOfa拷贝赋值函数" << endl;
        return  *this;
    }
    ~Sofa()
    {
        delete  num;
        cout << "sofa::析构函数" << endl;
    }
    void show()
    {
        cout << "siting=" << siting << endl;
        cout << "num="   << *num << endl;
    }
};
class Bed
{
private:
    string sleeping;
    int * area;//面积，指针成员
public:
    Bed(){cout << "Bed::无参构造函数" << endl;}//无参构造
    Bed(string sleeping,int area):sleeping(sleeping),area(new int(area))//有参构造
    {
        cout << "Bed::有参构造函数" << endl;
    }
    Bed(const Bed &other):sleeping(other.sleeping),area(new int(*(other.area)))//拷贝构造
    {
        cout << "Bed::拷贝构造函数" << endl;
    }
    Bed &operator=(const Bed &other)//拷贝赋值
    {
        if (this!=&other)
        {
            sleeping=other.sleeping;
            area=new  int(*(other.area));
        }
        cout << "Bed::拷贝赋值函数" << endl;
        return  *this;
    }
    ~Bed()//析构函数
    {
        delete  area;
        cout << "Bed::析构函数" << endl;
    }
    void show()
    {
        cout << "sleeping=" << sleeping << endl;
        cout << "arae="   << *area << endl;
    }

};
class Sofa_Bed:public Sofa,public Bed
{
private:
    string color;
public:
    Sofa_Bed(){cout << "SOFA_Bed::无参构造函数" << endl;}
    Sofa_Bed(string color,string siting,int num,string sleeping,int area):Sofa(siting,num),Bed(sleeping,area),color(color)
    {
        cout << "Sofa_Bed::有参构造函数" << endl;
    }
    Sofa_Bed(const Sofa_Bed &other):Sofa(other),Bed(other),color(other.color)
    {
         cout << "Sofa_Bed::拷贝构造函数" << endl;
    }
    Sofa_Bed &operator=(const Sofa_Bed &other)
    {
        if(this!=&other)
        {
            color=other.color;
            Sofa::operator=(other);
            Bed::operator=(other);
        }
        cout << "Sofa_Bed::拷贝赋值函数" << endl;
        return *this;
    }
    ~Sofa_Bed()
    {
        cout << "Sofa_Bed::析构函数" << endl;
    }
    void show()
    {
        Sofa::show();
        Bed::show();
        cout << "color= " << color << endl;
    }
};
int main()
{
    Sofa_Bed bs("yellow","可坐",2,"可睡",20);
    cout << "-------------------------" << endl;
    bs.Sofa::show();

    cout << "-------------------------" << endl;
    bs.Bed::show();

    cout << "-------------------------" << endl;
    bs.show();
    return 0;
}