作业：

1. 整理思维导图
2. 设计一个Per类，类中包含私有成员：姓名、年龄、指针成员身高、体重，再设计一个Stu类，类中包含私有成员：成绩、Per类对象 p1，设计这两个类的构造函数、析构函数和拷贝构造函数。

#include <iostream>

using namespace std;
class Per
{
    string name;
    int age;
    int *high;
    int *weight;
public:
    Per(string name,int age,int *high,int *weight)
    {
        this->name = name;
        this->age=age;
        this->high=high;
        this->weight=weight;
    }
    void show()
    {
        cout << "name=" << name << endl;
        cout << "age=" << age << endl;
        cout << "high=" << *high << endl;
        cout << "weight=" <<*weight << endl;
    }
    ~Per()
    {
        //在析构之前释放堆区的空间
        cout << "准备释放Per空间："  << endl;
        delete high;
        delete weight;
        high = nullptr;
        weight = nullptr;
        cout << "Per的析构函数" << endl;
    }
    Per(Per &other)
       {
           this->name=other.name;
           this->age=other.age;

           this->high=new int;
           *high=*(other.high);
           this->weight=new int;
           *weight=*(other.weight);

           cout<<"per的拷贝构造函数"<<endl;
       }
};
class Stu
{
    int score;
public:
    Per p1;
public:
    Stu(string name,int age,int score,int *high,int *weight):p1(name,age,high,weight),score(score)
    {

    }
    void show()
    {
        cout << "score=" << score << endl;
    }
   ~Stu()
    {
        //在析构之前释放堆区的空间

        cout << "Stu的析构函数" << endl;
    }
    Stu(Stu &other):p1(other.p1)
        {
            this->score=other.score;
            cout<<"stu的拷贝构造函数"<<endl;
        }

};

int main()
{
    int a=180;
    int b=120;
    Stu s1("zhangsan",18,100,&a,&b);
    s1.p1.show();
    s1.show();
    Stu s2=s1;
    s2.p1.show();
    return 0;
}