2023/12/28 c++ work

1. 定义一个Person类，包含私有成员，int *age，string &name，一个Stu类，包含私有成员double *score，Person p1，写出Person类和Stu类的特殊成员函数，并写一个Stu的show函数，显示所有信息

#include 

using namespace std;
//1.定义一个Person类，包含私有成员，int *age，string &name，一个Stu类，
//包含私有成员double *score，Person p1，写出Person类和Stu类的特殊成员函数，
//并写一个Stu的show函数，显示所有信息。

class Person{

  int *age;
  string &name;
public:
  Person(int age,string &name):age(new int(age)),name(name){
      cout << "person 一个参构造函数" << endl;
  }
  int get_age();
  string get_name();
  //拷贝函数
  Person(const Person &other):age(new int(*(other.age))),name(other.name){
      cout << "person 拷贝函数 " << endl;
  }
  //拷贝赋值函数
    Person &operator=(const Person &other){
        *(this->age) = *(other.age);
        name = other.name;
    }

  //析构函数，释放指针堆空间
  ~Person(){
      cout << "---------------------------------Person delete----------------------" << endl;
      cout << "age 地址信息 " << age << endl;
      cout << "释放age堆空间" << endl;
      delete age;
  }

};

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

    Stu(double score,int age,string name):score(new double(score)),p1(age,name){
        cout << "Stu 一个参数构造函数" << endl;
    }
    void show();
    //拷贝函数
    Stu(const Stu &other):score(new double(*(other.score))),p1(other.p1){
        cout << "Stu 拷贝函数" << endl;
    }
    //拷贝赋值函数
    Stu &operator=(const Stu &other){
        *(this->score) = *(other.score);
        this->p1 = other.p1;
    }

    //析构函数，释放指针堆空间
    ~Stu(){
        cout << "---------------------------------Stu delete----------------------" << endl;
        cout << "score 地址信息 " << score << endl;
        cout << "释放score堆空间" << endl;
        delete score;
    }

};

int Person::get_age(){
    return *age;
}

string Person::get_name(){
    return name;
}

void Stu::show(){

    cout << "score = " << *score << endl;
    cout << "person age = " << p1.get_age() << endl;
    cout << "person name = " << p1.get_name() << endl;
}

int main()
{
    Stu str(99.5,30,"张三");
    str.show();
    cout << "---------------------------------str1----------------------" << endl;
    Stu str1 = str; // 调用拷贝函数
    str1.show();
    cout << "---------------------------------str2----------------------" << endl;
    Stu str2(0,0,"");
    str2 = str;
    str2.show();
    return 0;
}

2.思维导图