C++创建People类--练习

/*设计一个用于人事管理的People(人员)类。*/
/*
考虑到通用性，这里只抽象所有类型人员都具有的属性：
number(编号)、sex(性别)、birthday(出生日期)、id(身份证号)等等。
其中“出生日期”定义为一个“日期”类内嵌子对象。
用成员函数实现对人员信息的录入和显示。
要求包括：构造函数和析构函数、拷贝构造函数、内联成员函数、聚集。
*/

#include<iostream>
#include<string>
using namespace std;
class Data {
public:
    Data() {}
    Data(int yy, int mm, int dd);
    Data(Data &ap);
    ~Data();
    int get_year();
    int get_month();
    int get_day();
    void set_year(int y);
    void set_month(int m);
    void set_day(int d);
private:
    int year;
    int month;
    int day;
};
Data::Data(int yy, int mm, int dd) {
    year = yy;
    month = mm;
    day = dd;
}
Data::Data(Data &ap) {
    year = ap.year;
    month = ap.month;
    day = ap.day;
}
Data::~Data() {

}
int Data::get_day() {
    return day;
}
int Data::get_month() {
    return month;
}
int Data::get_year() {
    return year;
}
void Data::set_day(int d) {
    day = d;
}
void Data::set_month(int m) {
    month = m;
}
void Data::set_year(int y) {
    year = y;
}
class People {
public:
    People(int num, string se, Data birthd, string iid);
    People(People &tp);
    People(){}
    People get_People();
    ~People() {

    }
    void set_number(int num) {
        number = num;
    }
    void set_sex(string se) {
        sex = se;
    }
    void set_birthday(Data birth) {
        birthday = birth;
    }
    void set_id(string iidd) {
        id = iidd;
    }
    int get_number();
    string get_sex();
    Data get_birthday();
    string get_id();
    void details();
private:
    int number;
    string sex;
    Data birthday;
    string id;
};
inline int People::get_number() {
    return number;
}
inline string People::get_sex() {
    return sex;
}
inline string People::get_id() {
    return id;
}
Data People::get_birthday() {
    return birthday;
}
void People::details() {
    cout << "Number:"<<number << endl;
    cout << "Sex:" << sex << endl;
    cout << "Birhtday:" << birthday.get_year() << "/" << birthday.get_month() << "/" << birthday.get_day() << endl;
    cout << "ID:" << id << endl;
}
People::People(int num, string se, Data birth, string iid):birthday(birth){
    number = num;
    sex = se;
    id = iid;
}
People People::get_People() {
        int num, yy, mm, dd;
        string ID, se;
        cout << "Please enter the number of the people:";
        cin >> num;
        cout << "Please enter the sex of the people:(male or female)";
        cin >> se;
        cout << "Please enter the birthday of the people:" << endl
            << "(Warnning:The format is similar to 1998 8 3)" << endl;
        cin >> yy >> mm >> dd;
        cout << "Please enter the id of the people:";
        cin >> ID;
        Data birth(yy, mm, dd);
        id = ID;
        number = num;
        sex = se;
        birthday = birth;
        return *this;
}
People::People(People &tp) {
    number = tp.get_number();
    sex = tp.get_sex();
    id = tp.get_id();
    birthday = tp.get_birthday();
}
int main()
{
    People asp;
    asp.get_People();
    asp.details();
    return 0;
}