C++学习day5

目录

作业：

1> 思维导图

2> 多继承代码实现沙发床

1>思维导图

2> 多继承代码实现沙发床

#include 
 
using namespace std;
//创建沙发类
class sofa
{
private:
    string sitting;
public:
    sofa(){
        cout << "sofa的无参构造函数" << endl;
    }
    sofa(string s):sitting(s)
    {
        cout << "sofa的有参构造函数" << endl;
    }
    //拷贝构造函数
    sofa(const sofa &other):sitting(other.sitting)
    {
        cout << "sofa的拷贝构造函数" << endl;
    }
    //拷贝赋值函数
    sofa &operator=(const sofa &other)
    {
        cout << "sofa的拷贝赋值函数" << endl;
        sitting=other.sitting;
        return *this;
    }
    //析构函数
    ~sofa()
    {
        cout << "sofa的析构函数" << endl;
    }
    void show()
    {
        cout << "sofa" << endl;
    }
 
};
//创建床类
class bed
{
protected:
    string sleeping;
public:
    bed(){
        cout << "bed的无参构造函数" << endl;
    }
    bed(string b):sleeping(b)
    {
        cout << "bed的有参构造函数" << endl;
    }
    //拷贝构造函数
    bed(const bed &other):sleeping(other.sleeping)
    {
        cout << "bed的拷贝构造函数" << endl;
    }
    //拷贝赋值函数
    bed &operator=(const bed &other)
    {
        cout << "bed的拷贝赋值函数" << endl;
        sleeping=other.sleeping;
        return *this;
    }
    //析构函数
    ~bed()
    {
        cout << "bed的析构函数" << endl;
    }
    void show()
    {
        cout << "bed" << endl;
    }
 
};
//构造沙发床类
class sofa_bed: public bed,public sofa
{
private:
    string color;
public:
    sofa_bed(){
        cout << "sofa_bed的无参构造函数" << endl;
    }
    sofa_bed(string s,string b,string c):bed(b),sofa(s),color(c)
    {
        cout << "sofa_bed的有参构造函数" << endl;
    }
    //拷贝构造函数
    sofa_bed(const sofa_bed &other):bed(other.sleeping),sofa(other),color(other.color)
    {
        cout << "sofa_bed的拷贝构造函数" << endl;
    }
    //拷贝赋值函数
    sofa_bed &operator=(const sofa_bed &other)
    {
        cout << "sofa_bed的拷贝赋值函数" << endl;
        color=other.color;
        sofa::operator=(other);
        sleeping=other.sleeping;
 
 
 
        return *this;
    }
    //析构函数
    ~sofa_bed()
    {
        cout << "sofa_bed的析构函数" << endl;
    }
    void show()
    {
        cout << "sofa_bed的show" << endl;
    }
 
 
 
 
};
 
 
int main()
{
    cout << "Hello World!" << endl;
 
    sofa_bed s1;
    sofa_bed s2("坐着","睡觉","yellow");
    s2.show();
    sofa_bed s3(s2);
    s1=s2;
    return 0;
}

效果图 ：