day44 1228

作业1：

#include <iostream>

using namespace std;

class Person
{
    int *age;
    string &name;
public:
    Person(int age,string &name):age(new int(age)),name(name)
    {
        cout << "Person的构造函数" <<endl;
    }
    ~Person()
    {
        delete age;
        cout << "Person的析构函数" << endl;
    }
    Person(Person &other):age(new int(*(other.age))),name(other.name)
    {
        cout << "Person的拷贝构造函数" << endl;
    }
    Person &operator = (Person &other)
    {
        *(this->age) = *(other.age);
        this->name = other.name;
        cout << "Person的拷贝赋值函数" << endl;
        return *this;
    }
    void show();
};

class Stu
{
    double *score;
    Person p1;
public:

    Stu(double score,Person p):score(new double(score)),p1(p)
    {
        cout << "Stu的构造函数" << endl;
    }
    ~Stu()
    {
        delete score;
        cout << "Stu的析构函数" << endl;
    }
    Stu(Stu &other):score(new double(*(other.score))),p1(other.p1)
    {
        cout << "Stu的拷贝构造函数" <<endl;
    }
    Stu &operator = (Stu &other)
    {
        *(this->score) = *(other.score);
        this->p1 = other.p1;
        cout << "Stu的拷贝赋值函数" << endl;
        return *this;
    }
    void show(string);
};

void Person::show()
{
    cout << "age = " << age << endl;
    cout << "*age = " << *age << endl;
    cout << "name = " << name << endl;
    cout << "&name = " << &name << endl;
}

void Stu::show(string remind)
{
    cout << "-----------" << remind <<"------------" << endl;
    cout << "score = " << score <<endl;
    cout << "*score = " << *score << endl;
    cout << "&p1 = " << &p1<<endl;
    p1.show();
    cout << "-------------------------" << endl;
}

int main()
{
    string name1 = "张三";
    Person p1(18,name1);
    Stu s1(99.9,p1);
    s1.show("s1");

    Stu s2(s1);

    s2.show("s2");

    string name2 = "李四";
    Person p2(19,name2);
    Stu s3(88.8,p2);

    s2 = s1;
    s2.show("s2");
    s3.show("s3");

    return 0;
}

现象：