C++构造函数析构函数拷贝构造函数

work.cpp

#include <iostream>
#include <cstring>
using namespace std;
class Stu{
    
    
    string name;
    int age;
    int score;
    int *high;
public:
    Stu(string name,int age,int score,int high):name(name),age(age),score(score){
    
    
        this->high = new int(high);
    }
    Stu(const Stu &other):name(other.name),age(other.age),score(other.score){
    
    
        this->high = new int(*(other.high));
        cout<<"拷贝函数"<<endl;
    }
    void show(){
    
    
        cout<<"name="<<this->name<<" age="<<this->age<<" score="<<this->score<<" high="<<*(this->high)<<" "<<endl;

    }
    ~Stu(){
    
    
        delete high;
        cout<<"析构函数"<<endl;
    }
};
int main()
{
    
    
    string name;
    cout<<"请输入名字"<<endl;
    getline(cin,name);
    int age,score,high;
    cout<<"请输入年龄"<<endl;
    cin>>age;
    cout<<"请输入分数"<<endl;
    cin>>score;
    cout<<"请输入身高"<<endl;
    cin>>high;
    Stu *p = new Stu(name,age,score,high);
    p->show();
    Stu p2 = *p;
    p2.show();
    delete p;
    p=nullptr;
    return 0;
}