实验五

 

#ifndef PERSON_HPP
#define PERSON_HPP

#include <iostream>
#include <string>

using namespace std;

class Person
{
public:
    Person(){};
    Person(string name, string telephone, string email = "123@163.com") : name(name), telephone(telephone), email(email)
    {
    }

    friend  ostream& operator<<(ostream &cout ,const Person &p);

    friend  istream& operator>>(istream &cin , Person &p);

    friend bool operator==(const Person &p1 , const Person &p2);

private:
    string name;
    string telephone;
    string email;
};

    ostream& operator<<(ostream &cout ,const Person &p)
    {
        cout << p.name << " " << p.telephone << " " << p.email;

        return cout;
    }

    istream& operator>>(istream &cin , Person &p)
    {
        cin >> p.name >>  p.telephone >> p.email;

        return cin;
    }

    bool operator==(const Person &p1 , const Person &p2)
    {
        if(p1.name == p2.name && p1.telephone == p2.telephone&& p1.email == p2.email )
        {
            return 1;
        }
        else return 0;
    }


#endif

 

#include <iostream>
#include <fstream>
#include <vector>
#include "Person.hpp"

int main()
{
    using namespace std;

    vector<Person> phone_book;
    Person p;

    while(cin>>p)
        phone_book.push_back(p);
    
    for(auto &i: phone_book)
        cout << i << endl;
    
    cout << boolalpha << (phone_book.at(0) == phone_book.at(1)) << endl;

    ofstream fout;

    fout.open("phone_book.txt");

    if(!fout.is_open())
    {
        cerr << "fail to open file phone_book.txt\n";
        return 1;
    }

    for(auto &i: phone_book)
        fout << i << endl;
    
    fout.close();
    
    system("pause");

}

 

 

 

实验三改完编译不出来，发修改截图了