C++11.30

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。

代码：

#include 

using namespace std;

class Per
{
private:
    string name;
    int age;
    double *hight;
    double *weight;
public:
    Per()
    {
        cout << "Per::无参构造函数" << endl;
    }

    Per(string name,int age,double h,double w):name(name),age(age),hight(new double(h)),weight(new double(w))
    {
        cout << "Per::有参构造函数" << endl;
        cout << name << " " << age << " " << *hight <<" " << *weight << endl;
    }

    ~Per()
    {
        delete (hight);
        delete (weight);
        hight = nullptr;
        weight = nullptr;
        cout << "Per::析构函数" << endl;
    }

    Per(const Per &other):name(other.name),age(other.age),hight(new double(*(other.hight))),weight(new double(*(other.weight)))
    {
        cout << "Per::拷贝构造函数" << endl;
        cout << name << " " << age << " " << *hight <<" " << *weight << endl;
    }
    void show()
    {
        cout << name << " " << age << " " << *hight <<" " << *weight << " ";
    }

};

class Stu
{
private:
    double score;
    Per p1;
public:
    Stu()
    {
        cout << "Stu::无参构造函数" << endl;
    }

    Stu(double score, string name, int age, double hight, double weight):score(score),p1(name,age,hight,weight)
    {
        cout << "Stu::有参构造函数" << endl;
        p1.show();
        cout << score << endl;
    }

    ~Stu()
    {
        cout << "Stu::析构函数" << endl;
    }

    Stu(const Stu &other):score(other.score),p1(other.p1)
    {
        cout << "Stu::拷贝构造函数" << endl;
        p1.show();
        cout << score << endl;
    }

};

int main()
{
    cout << "请输入姓名、年龄、身高、体重、成绩：" << endl;
    string name;
    int age;
    double hight,weight,score;

    cin >> name >> age >> hight >> weight >> score;
    Stu s1(score,name,age,hight,weight);

    cout << "__________________________________" << endl;
    cout << "请输入姓名、年龄、身高、体重、成绩：" << endl;
    cin >> name >> age >> hight >> weight;
    Per p1(name,age,hight,weight);

    cout << "__________________________________" << endl;
    Stu s2(s1);

    cout << "__________________________________" << endl;
    Per p2(p1);

    return 0;
}

效果图：