题目:4-10 设计一个用于人事管理的People(人员)类。考虑到通用性,这里只抽象出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、带缺省形参值的成员函数、聚集。
#include <string>
#include <iostream>
using namespace std;
class Date //日期类
{public:
Date(){} //默认构造函数
Date(int y, int m, int d)
{ year = y; month = m; day = d; }
void set()
{ cin >> year >> month >> day; }
void display()
{cout << year << "年" << month << "月" << day << "日"; }
private:
int year;
int month;
int day;
};
class People //人员类
{
public:
People(){} //默认构造函数
People(int n, int y, int m, int d, string id, char s = 'm') :birthday(y, m, d)
{
num = n;
sex = s;
ID= id;
}
People(People& p) //复制构造函数
{
num = p.num;
sex = p.sex;
birthday = p.birthday;
ID=p.ID;
}
void input() //输入函数
{
cout << "录入数据:" << endl;
cout << "编号:";
cin >> num;
cout << "性别(m/f):";
cin >> sex;
cout << "生日:";
birthday.set();
cout << "身份证号:";
cin >> ID;
cout << endl;
}
void output() //输出函数
{
cout << "编号:" << num << endl;
cout << "性别:" << sex << endl;
cout << "生日:";
birthday.display();
cout << endl;
cout << "身份证号:" << ID << endl;
}
~People() //析构函数
{
cout << " " << num << "号人员已经录入" << endl;
}
private:
int num;
char sex;
Date birthday;
string ID;
};
int main()
{
People s;
s.input();
s.output();
return 0;
}
运行结果