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 <iostream>
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;
}