c++day5

1> 思维导图

2> 多继承代码实现沙发床

#include 

using namespace std;

//封装 沙发 类
class Sofa
{
private:
    string sitting;
public:
    Sofa()
    {
        cout << "沙发的无参构造函数" << endl;
    }

    Sofa(string s):sitting(s)
    {
        cout << "沙发的有参构造函数" << endl;
    }
    void show()
    {
        cout << sitting << endl;
    }
};

//封装 床 类
class Bed
{
private:
    string sleep;
public:
    Bed()
    {
        cout << "床的无参构造函数" << endl;
    }
    Bed(string b):sleep(b)
    {
        cout << "床的有参构造函数" << endl;
    }
    void show()
    {
        cout << sleep << endl;
    }
};

//封装 沙发床 类
class Sofa_Bed:public Sofa,public Bed
{
private:
    string size;
public:
    Sofa_Bed()
    {
        cout << "沙发床的无参构造函数" << endl;
    }
    Sofa_Bed(string s, string b,string c):Sofa(s),Bed(b),size(c)
    {
        cout <<"沙发床的有参构造函数" << endl;
    }
    void show()
    {
        cout << size << endl;
    }
};


int main()
{
    Sofa_Bed s("可坐","可躺","超大码");
    s.Sofa::show();
    s.Bed::show();
    s.Sofa_Bed::show();
    return 0;
}