C++_day4

思维导图

代码

#include <iostream>//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。
using namespace std;class Per
{
private:string name;int age;double *heigh,*weigh;
public:
//    Per()
//    {
//        cout << "Per::无参构造函数" << endl;
//    }Per(string name="--",int age=0,double heigh=0.0,double weigh=0.0):name(name),age(age),heigh(new double(heigh)),weigh(new double(weigh))   //构造函数{cout << "Per::有参构造函数" << endl;}Per(const Per &other):name(other.name),age(other.age),heigh(new double(*(other.heigh))),weigh(new double(*(other.weigh))){cout << "Per::拷贝构造函数" << endl;}Per &operator=(const Per &other){if(this != &other){name=other.name;age=other.age;heigh=other.heigh;weigh=other.weigh;}cout << "Per::拷贝赋值函数" << endl;return *this;}~Per(){delete heigh;delete weigh;cout << "Per::析构函数" << endl;}void show(){cout << name << " " << age << " " << *heigh << " " << * weigh << " " ;}
};class Stu
{
private:Per p1;double score;
public:Stu(){cout << "Stu::无参构造函数" << endl;}Stu(string name,int age,double heigh,double weigh,double score):p1(name,age,weigh,heigh),score(score){cout << "Stu::有参构造函数" << endl;}Stu(const Stu &other):p1(other.p1),score(other.score){cout << "Stu::拷贝构造函数" << endl;}Stu &operator=(const Stu &other){if(this!=&other){p1=other.p1;score=other.score;}cout << "Stu::拷贝赋值函数" << endl;return *this;}~Stu(){cout << "Stu::析构函数" << endl;}void show(){p1.show();cout<< score <<endl;}
};int main()
{Per p1;p1.show();cout << endl;Per p3("李四",19,199,67);p3.show();cout << endl << "========================" << endl;Stu s3;Stu s1("张三",18,189,56,99);s1.show();cout << "========================" << endl;Per p2(p1);p2.show();cout << endl << "========================" << endl;Stu s2(s1);s2.show();cout << "========================" << endl;p1=p3;p1.show();cout << endl << "========================" << endl;s3=s1;s1.show();cout << "========================" << endl;return 0;
}