C/设计一个用于人事管理的People（人员）类.cpp

#include <iostream>
#include <cstring>

class Date {
public:
    int year, month, day;

    Date(int y = 0, int m = 0, int d = 0) : year(y), month(m), day(d) {}

    void input() {
        std::cin >> year >> month >> day;
    }

    void display() const {
        std::cout << year << "年" << month << "月" << day << "日";
    }
};

class People {
private:
    char name[11];
    char number[7];
    char sex[3];
    Date birthday;
    char id[19];

public:
    People() {
        std::strcpy(name, "");
        std::strcpy(number, "");
        std::strcpy(sex, "");
        std::strcpy(id, "");
    }

    People(const People& other) {
        std::strcpy(name, other.name);
        std::strcpy(number, other.number);
        std::strcpy(sex, other.sex);
        birthday = other.birthday;
        std::strcpy(id, other.id);
    }

    void input() {
        std::cout << "姓名：";
        std::cin >> name;
        std::cout << "编号：";
        std::cin >> number;
        std::cout << "性别(男/女)：";
        std::cin >> sex;
        std::cout << "出生日期（年 月 日）：";
        birthday.input();
        std::cout << "身份证号：";
        std::cin >> id;
    }

    void display() const {
        std::cout << "\n姓名：" << name << std::endl;
        std::cout << "编号：" << number << std::endl;
        std::cout << "性别：" << sex << std::endl;
        std::cout << "出生日期：";
        birthday.display();
        std::cout << std::endl;
        std::cout << "身份证号：" << id << std::endl;
    }

    ~People() {}
};

int main() {
    int num;
    std::cout << "员工人数：";
    std::cin >> num;

    People* peopleArray = new People[num];

    for (int i = 0; i < num; ++i) {
        peopleArray[i].input();
    }

    People firstCopy = peopleArray[0];
    firstCopy.display();

    for (int i = 0; i < num; ++i) {
        peopleArray[i].display();
    }

    delete[] peopleArray;

    return 0;
}