empcont.cpp

来自「本课程主要介绍面向对象程序设计的方法和c++语言的基本概念。以c++语言中的面向」· C++ 代码 · 共 136 行

// empcont.cpp
// containership with employees and degrees
#include <iostream>
#include <string>
using namespace std;
////////////////////////////////////////////////////////////////
class student                 //educational background
   {
   private:
      string school;          //name of school or university
      string degree;          //highest degree earned
   public:
      void getedu()
         {
         cout << "   Enter name of school or university: ";
         cin >> school;
         cout << "   Enter highest degree earned \n";
         cout << "   (Highschool, Bachelor's, Master's, PhD): ";
         cin >> degree;
         }
      void putedu() const
         {
         cout << "\n   School or university: " << school;
         cout << "\n   Highest degree earned: " << degree;
         }
   };
////////////////////////////////////////////////////////////////
class employee
   {
   private:
      string name;            //employee name
      unsigned long number;   //employee number
   public:
      void getdata()
         {
         cout << "\n   Enter last name: "; cin >> name;
         cout << "   Enter number: ";      cin >> number;
         }
      void putdata() const
         {
         cout << "\n   Name: " << name;
         cout << "\n   Number: " << number;
         }
   };
////////////////////////////////////////////////////////////////
class manager                 //management
   {
   private:
      string title;           //"vice-president" etc.
      double dues;            //golf club dues
      employee emp;           //object of class employee
      student stu;            //object of class student
   public:
      void getdata()
         {
         emp.getdata();
         cout << "   Enter title: ";          cin >> title;
         cout << "   Enter golf club dues: "; cin >> dues;
         stu.getedu();
         }
      void putdata() const
         {
         emp.putdata();
         cout << "\n   Title: " << title;
         cout << "\n   Golf club dues: " << dues;
         stu.putedu();
         }
   };
////////////////////////////////////////////////////////////////
class scientist               //scientist
   {
   private:
      int pubs;               //number of publications
      employee emp;           //object of class employee
      student stu;            //object of class student
   public:
      void getdata()
         {
         emp.getdata();
         cout << "   Enter number of pubs: "; cin >> pubs;
         stu.getedu();
         }
      void putdata() const
         {
         emp.putdata();
         cout << "\n   Number of publications: " << pubs;
         stu.putedu();
         }
   };
////////////////////////////////////////////////////////////////
class laborer                 //laborer
   {
   private:
      employee emp;           //object of class employee
   public:
      void getdata()
         { emp.getdata(); }
      void putdata() const
         { emp.putdata(); }
   };
////////////////////////////////////////////////////////////////
int main()
   {
   manager m1;
   scientist s1, s2;
   laborer l1;

   cout << endl;
   cout << "\nEnter data for manager 1";    //get data for
   m1.getdata();                            //several employees

   cout << "\nEnter data for scientist 1";
   s1.getdata();

   cout << "\nEnter data for scientist 2";
   s2.getdata();

   cout << "\nEnter data for laborer 1";
   l1.getdata();

   cout << "\nData on manager 1";           //display data for
   m1.putdata();                            //several employees

   cout << "\nData on scientist 1";
   s1.putdata();

   cout << "\nData on scientist 2";
   s2.putdata();

   cout << "\nData on laborer 1";
   l1.putdata();
   cout << endl;
   return 0;
   }