编写通讯录管理系统c++

定义一个friend类，包括姓名、性别、年龄、电话、邮箱、QQ、单位等属性和对这些属性的操作函数，再定义通讯录类，实现通讯录列表、查询、修改、添加、删除、保存、退出等功能
 

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#include <iostream>
#include <string>
#include <vector>
using namespace std;
// 定义Friend类
class Friend
{
public:
    Friend(string name, string gender, int age, string phone, string email, string qq, string unit)
    {
        m_name = name;
        m_gender = gender;
        m_age = age;
        m_phone = phone;
        m_email = email;
        m_qq = qq;
        m_unit = unit;
    }
    void setName(string name)
    {
        m_name = name;
    }
    string getName()
    {
        return m_name;
    }
    void setGender(string gender)
    {
        m_gender = gender;
    }
    string getGender()
    {
        return m_gender;
    }
    void setAge(int age)
    {
        m_age = age;
    }
    int getAge()
    {
        return m_age;
    }
    void setPhone(string phone)
    {
        m_phone = phone;
    }
    string getPhone()
    {
        return m_phone;
    }
    void setEmail(string email)
    {
        m_email = email;
    }
    string getEmail()
    {
        return m_email;
    }
    void setQQ(string qq)
    {
        m_qq = qq;
    }
    string getQQ()
    {
        return m_qq;
    }
    void setUnit(string unit)
    {
        m_unit = unit;
    }
    string getUnit()
    {
        return m_unit;
    }
private:
    string m_name;
    string m_gender;
    int m_age;
    string m_phone;
    string m_email;
    string m_qq;
    string m_unit;
};
// 定义通讯录类
class AddressBook
{
public:
    AddressBook()
    {
        m_friends = vector<Friend>();
    }
    void list()
    {
        cout << "姓名\t性别\t年龄\t电话\t邮箱\tQQ\t单位" << endl;
        for (int i = 0; i < m_friends.size(); i++)
        {
            cout << m_friends[i].getName() << "\t" << m_friends[i].getGender() << "\t" << m_friends[i].getAge() << "\t" << m_friends[i].getPhone() << "\t" << m_friends[i].getEmail() << "\t" << m_friends[i].getQQ() << "\t" << m_friends[i].getUnit() << endl;
        }
    }
    void query(string name)
    {
        for (int i = 0; i < m_friends.size(); i++)
        {
            if (m_friends[i].getName() == name)
            {
                cout << "姓名\t性别\t年龄\t电话\t邮箱\tQQ\t单位" << endl;
                cout << m_friends[i].getName() << "\t" << m_friends[i].getGender() << "\t" << m_friends[i].getAge() << "\t" << m_friends[i].getPhone() << "\t" << m_friends[i].getEmail() << "\t" << m_friends[i].getQQ() << "\t" << m_friends[i].getUnit() << endl;
            }
        }
    }
    void modify(string name)
    {
        for (int i = 0; i < m_friends.size(); i++)
        {
            if (m_friends[i].getName() == name)
            {
                string gender;
                int age;
                string phone;
                string email;
                string qq;
                string unit;
                cout << "请输入新的性别：";
                cin >> gender;
                cout << "请输入新的年龄：";
                cin >> age;
                cout << "请输入新的电话：";
                cin >> phone;
                cout << "请输入新的邮箱：";
                cin >> email;
                cout << "请输入新的QQ：";
                cin >> qq;
                cout << "请输入新的单位：";
                cin >> unit;
                m_friends[i].setGender(gender);
                m_friends[i].setAge(age);
                m_friends[i].setPhone(phone);
                m_friends[i].setEmail(email);
                m_friends[i].setQQ(qq);
                m_friends[i].setUnit(unit);
            }
        }
    }
    void add()
    {
        string name;
        string gender;
        int age;
        string phone;
        string email;
        string qq;
        string unit;
        cout << "请输入姓名：";
        cin >> name;
        cout << "请输入性别：";
        cin >> gender;
        cout << "请输入年龄：";
        cin >> age;
        cout << "请输入电话：";
        cin >> phone;
        cout << "请输入邮箱：";
        cin >> email;
        cout << "请输入QQ：";
        cin >> qq;

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