c++day3

发布时间:2023年12月29日
#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两个参数的有参构造函数"<<endl;
    }
    Person(const Person &other):age(new int(*(other.age))),name(other.name)
    {
        cout<<"Person拷贝构造函数"<<endl;
    }
    Person&operator=(const Person &other)
    {
        *(this->age)=*(other.age);
        this->name=other.name;
        cout<<"Person拷贝赋值函数"<<endl;
        return *this;
    }
    ~Person()
    {
        cout<<"Person析构函数"<<endl;
        delete age;
    }
    int get_age();
    string get_name();
};
 
 
class Stu
{
    double *score;
    Person p1;
public:
    Stu(double score):score(new double(score)),p1(p1)
    {
        cout<<"Stu一个参数有参构造函数"<<endl;
    }
    Stu(const Stu &other):score(new double(*(other.score))),p1(other.p1)
    {
        cout<<"Stu拷贝构造函数"<<endl;
    }
    Stu &operator=(const Stu &other)
    {
        *(this->score)=*(other.score);
        this->p1=other.p1;
        cout<<"Stu拷贝赋值函数"<<endl;
        return *this;
    }
    ~Stu()
    {
        cout<<"Stu析构函数"<<endl;
        delete score;
    }
    void show(Person p1);
};
int Person::get_age()
{
    return *age;
}
string Person::get_name()
{
    return name;
}
void Stu::show(Person p1)
{
    cout<<"年龄"<<p1.get_age()<<endl;
    cout<<"姓名"<<p1.get_name()<<endl;
    cout<<"成绩"<<*score<<endl;
}
int main()
{
    Person p1(18,"张三");
    Stu s1(88);
    s1.show(p1);
    return 0;
}
文章来源:https://blog.csdn.net/2301_79218085/article/details/135282527
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