【嵌入式学习】C++day0313

一、思维导图

二、习题

#include <iostream>

using namespace std;

class Per
{
private:
    string name;
    int age;
    float * high;
    float * weight;
public:
    //有参构造函数
    Per(string n,int a,float h,float w):name(n),age(a),high(new float (h)),weight(new float (w))
    {

    }

    //析构函数
    ~Per()
    {
        delete high;  //释放堆区空间
        delete weight;
    }

    //拷贝构造函数
    Per(const Per &other):name(other.name),age(other.age),high(new float (*(other.high))),weight(new float (*(other.weight)))
    {

    }

    //输出函数
    void show()
    {
    cout << "姓名:" << name << endl;
    cout << "年龄:" << age << endl;
    cout << "身高:" << *high << endl;
    cout << "体重:" << *weight << endl;
    }
};


class Stu
{
private:
    float sorce;
    Per p1;
public:
    Stu(float s,string name, int age,float high,float weight):sorce(s),p1(name,age,high,weight)
    {
        cout << "有参构造函数" << endl;
    }

    //拷贝构造函数
    Stu(const Stu &other):sorce(other.sorce),p1(other.p1)
    {}

    //输出函数
    void show()
    {
        cout << "成绩:" << sorce << endl;
    }
    Per p2=p1;

    //析构函数会自动调用Per的析构函数
};
int main()
{
    Stu s1(98,"张三",18,175,65);
    s1.show();
    s1.p2.show();
    return 0;
}