day4作业

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 *hig;
    int *wig;
public:
    Per(string name,int age,int* hig,int* wig):name(name),age(age),hig(new int(*hig)),wig(new int(*wig))
    {
        cout << "有参构造函数" << endl;
    }
    ~Per()
    {
        delete hig;
        delete wig;
        hig = nullptr;
        wig = nullptr;
        cout << "析构函数" << endl;
    }
    Per(const Per &other):name(other.name),age(other.age),hig(new int(*(other.hig))),wig(new int(*(other.wig)))
    {
        cout << "拷贝构造函数" << endl;
    }
    Per & operator=(const Per &p)
    {
        name = p.name;
        age = p.age;
        hig = new int(*(p.hig));
        wig = new int(*(p.wig));
        cout << "拷贝赋值函数" << endl;
        return *this;
    }
    void show()
    {
        cout << name << " " << age << " " << *hig << " " << *wig << endl;
    }
};
class Stu
{
private:
    int soc;
    Per p1;
public:

    Stu(int soc,Per &p):soc(soc),p1(p)
    {
        cout << "stu有参构造函数" << endl;
    }
    ~Stu()
    {
        cout << "stu析构函数" << endl;
    }
    Stu(const Stu &ss):soc(ss.soc),p1(ss.p1)
    {
        cout<< "stu拷贝构造函数" << endl;
    }
    Stu & operator=(const Stu & ss)
    {
        soc = ss.soc;
        p1 = ss.p1;
        cout << "stu拷贝赋值函数" << endl;
        return  *this;
    }
    void show()
    {
        cout << soc << " " << p1.name << " " << p1.age << " " << *(p1.hig) << " " << *(p1.wig) << endl;
    }
};
int main()
{
    int a = 105;
    int b = 188;
    Per p("ko",18,&b,&a);//有参构造函数
    Per pp(p);//拷贝构造函数
    pp = p; //拷贝赋值函数
    pp.show();
    Stu s1(99,pp);//stu有参构造函数
    Stu s2(s1);//stu拷贝构造函数
    Stu s3(89,p);
    s3 = s1;//stu拷贝赋值函数
    s3.show();
    return 0;
}

day4作业_第1张图片

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