C++day4

1.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、拷贝赋值函数。

 

#include 

using namespace std;
class Per
{
    friend class Stu;
private:
    string name;
    int age;
    int *height;
    int *weight;
public:
    Per()//per的无参构造函数
    {
        cout  <<"Per的无参构造函数" << endl;
    }
    Per(string name,int age,int height,int weight):name(name),age(age),height(new int(height)),weight(new int(weight))//Per的有参构造函数,并使用初始化列表初始化
    {
        cout << "Per的有参构造函数" << endl;
    }
    Per(const Per &other):name(other.name),age(other.age),height(new int (*other.height)),weight(new int (*other.weight))//Per的拷贝构造函数
    {
        cout << "Per的拷贝构造函数" << endl;
    }
    Per &operator=(const Per &other)//Per的拷贝赋值函数
    {
        if(this!=&other)//避免自己给自己赋值
        {
            name=other.name;
            age=other.age;
            height=new int(*(other.height));
            weight=new int(*(other.weight));
        }
        cout << "Per的拷贝赋值函数" <