#include <iostream>

using namespace std;
class Per
{
private:
    string name;
    int age;
    double *height;
    double *weigh;
public:
    //无参构造
    Per()
    {
        cout << "Per::无参构造" << endl;
    }
    //有参构造
    Per(string name,int age,double height,double weigh):name(name),age(age),height(new double(height)),weigh(new double(weigh))
    {
        cout << "Per::无参构造" << endl;
    }
    //析构函数
    ~Per()
    {
        cout << "Per::析构函数" << endl;
        //手动释放指针成员申请的空间
        delete(height);
        delete(weigh);
    }
    void show()
    {
        cout << "name=" << name << " " << "age=" << age << " " << "height=" << *height << " " << "weigh=" << *weigh << endl;
    }
};

class Stu
{
private:
    int score;
    Per p1;
public:
    //无参构造
    Stu()
    {
        cout << "Stu::无参构造" << endl;
    }
    //有参构造
     // Stu(int score,string name,int age):score(score),p1(name,age)
    Stu(double score,string name,int age,int height,double weight):score(score),p1(name,age,height,weight)
    {
        cout << "Stu::有参构造" << endl;
    }
    //析构函数
    ~Stu()
    {
        cout << "Stu::析构函数" << endl;
    }
    void show()
    {
        cout << "score=" << score << " ";
        p1.show();
    }
};

int main()
{
    Per s1;//调用无参构造
    Per s2("zhangsan",18,180,150);//调用有参构造
    s2.show();

    cout << "-----------------------------------" << endl;
    Stu s3;
     // Stu s4(99,"zhangsan",18);
    Stu s4(99,"lisi",18,170,99);
    s4.show();
    return 0;
}

运行：

思维导图：