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C++ 实验七 继承与派生
1. 设计一个Person类，它有两个派生类Student和Employee，Employee有两个派生类Faculty和Staff。
•Person类有一个string类型的名字name，string型的身份号id，string型的电话号码phonenumber, Person类构造函数的对应name的参数不能有默认形参值。
•Student类有一个年级grade属性（Freshman、Sophomore、Junior或Senior），将属性值定义为常量；
•Employee类有一个string型的办公地点office，一个double型的月薪水salary和一个MyDate型的雇佣日期dateHired；
•Faculty类有一个级别rank属性（Professor = 3、 AssociateProfessor = 2、AssistantProfessor = 1），属性值也定义成常量。教师的薪水的计算方式为“薪水=基本工资×级别”；
•Staff类有一个职务position属性，为string类型，教工的薪水计算方式为“薪水=基本工资+津贴×工作年数”。工作年数算到2010年1月1日为止，基本工资BasicWages、津贴Allowance定义为常量。
•上述5个类都有一个print成员函数来输出该类对象除薪水外的基本信息。
•MyDate类有year、month、day三个数据成员，有一个计算两个MyDate对象间年差的成员函数diffYear(MyDate &)，年差计算只精确到月；三个数据成员的获取器函数。
2. 定义上述类，并合理地补充构造函数和其它需要的函数。在main函数中，定义一个Person类对象，一个Student类对象和一个Employee类对象一个Faculty类对象和一个Staff类对象。输出Person类及其派生类对象的基本信息，并输出Faculty类对象和Staff类对象的薪水。
#include <iostream>#include <math.h>#include <string>using namespace std;/* Person */class Person{public:/* Person(string name1,string id1,string phonenumber1) {name=name1;id=id1;phonenumber=phonenumber1;}*/ void person(string a,string b,string c) { name=a; id=b; phonenumber=c; } void print_person() { cout << "Name: "<<name << " Id: " << id << " Phonenumber: " << phonenumber << endl; } ~Person(){}private: string name,id,phonenumber;};/* MyDate */class MyDate{public: double diffYear(MyDate &a) { int sum; sum = 12 * (year-a.year-1) + fabs(12-a.month); //¾«È·µ½Ô return double(sum); } void Input_year(int y) { year=y; } void Input_month(int m) { month=m; } void Input_day(int d) { day=d; } int Output_year() { return year; } int Output_month() { return month; } int Output_day() { return day; } void print_MyDate() { cout << "MyDate: " << year << "/" << month << "/" << day << endl; }private: int year,month,day;};/* Student */class Student:public Person{public: Student(string a):grade(a){} void print_student() { cout << "grade: " << grade << endl; }private: const string grade; };/* Employee */class Employee:public Person{public:/* Employee(string name1,string id1,string phonenumber1,string office1,double salary1,MyDate dateHired1):Person(name1,id1,phonenumber1) { office=office1; salary=salary1; dateHired=dateHired1; }*/ void Input_office(string a) { office=a; } void Input_salary(double b) { salary=b; } void Input_dateHired(MyDate &d) { dateHired = d; } void print_employee() { cout << "office: " << office << " "; cout << "雇佣日期: " << dateHired.Output_year() << "/" << dateHired.Output_month() << "/" << dateHired.Output_day() << endl; }private: string office; double salary; MyDate dateHired;};/* Faculty */class Faculty:public Employee{public: Faculty(int a) { rank = a; }private: int rank;};/* Staff */class Staff:public Employee{public: void Input_Position(string a) { position = a; } void Input_BasicWages(int b) { BasicWages=b; } void Input_Allowance(int c) { Allowance = c; } int Output_BasicWages() { return BasicWages; } int Output_Allowance() { return Allowance; } void print_staff() { cout << "Position: " << position << endl; }private: string position; int BasicWages,Allowance;};int main(){ int rank1,year1,month1,day1; int faculty_wages,staff_wages; MyDate date,m1,m2; Person person1; //Person person1("HangZhou","110","10086"); Student student1("Freshman"); Employee employee1; Faculty faculty1(2); Staff staff1; person1.person("HangZhou","110","10086"); cout << "输入雇佣日期,year/month/day: " << endl; cin >> year1 >> month1 >> day1 ; date.Input_year(year1); date.Input_month(month1); date.Input_day(day1); employee1.Input_office("行政楼"); employee1.Input_salary(3000.0); employee1.Input_dateHired(date); staff1.Input_BasicWages(5000); staff1.Input_Allowance(1000); cout << "输入教师级别,3/2/1: " << endl; cin >> rank1; cout << "输入教工开始工作时间（小于2010),year/month : " << endl; cin >> year1 >> month1 ; m1.Input_year(year1); m1.Input_month(month1); m2.Input_year(2010); m2.Input_month(1); faculty_wages = (staff1.Output_BasicWages()) ; staff_wages = staff1.Output_BasicWages() + (staff1.Output_Allowance() * (m2.diffYear(m1)/12)); person1.print_person(); //Person cout << "Student: " ; //Student student1.print_student(); cout << "Employee: " ; //Employee employee1.print_employee(); cout << "教师工资: " << faculty_wages << endl; //Faculty cout << "教工工资: " << staff_wages << endl; //Staff return 0;}
C++ 实验七 继承与派生
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