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【C++ Primer Plus习题】14.5

news 2025/5/19 19:58:46

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问题:

解答:
main.cpp

#include <iostream>
using namespace std;
#include "emp.h"int main()
{employee em("Trip", "Harris", "Thumper");cout << em << endl;em.ShowAll();manager ma("Amorphia", "Spindragon", "Nuancer", 5);cout << ma << endl;em.ShowAll();fink fi("Matt", "Oggs", "Oiler", "Juno Barr");cout << fi << endl;fi.ShowAll();highfink hf(ma, "Curly Kew");hf.ShowAll();cout << "Press a key for next phase:\n";while (cin.get() != '\n')continue;highfink hf2;hf2.SetAll();cout << "Using an abstr_emp*pointer:\n";abstr_emp* tri[4] = { &em,&fi,&hf,&hf2 };for (int i = 0; i < 4; i++)tri[i]->ShowAll();return 0;
}

emp.h

#pragma once
#include <iostream>
#include <string>
using namespace std;class abstr_emp
{
private:string fname;string lname;string job;
public:abstr_emp();abstr_emp(const string& fn, const string& ln, const string& j);virtual void ShowAll()const;virtual void SetAll();friend ostream& operator<<(ostream& os, const abstr_emp& e);virtual ~abstr_emp()=0;
};
class employee :public abstr_emp
{
public:employee();employee(const string& fn, const string& ln, const string& j);virtual void ShowAll()const override;virtual void SetAll() override;
};class manager :virtual public abstr_emp
{
private:int inchargeof;
protected:int InChargeOf()const { return inchargeof; }int& InChargeOf() { return inchargeof; }
public:manager();manager(const string& fn, const string& ln, const string& j, int ico = 0);manager(const abstr_emp& e, int ico);manager(const manager& m);virtual void ShowAll()const override;virtual void SetAll()override;
};class fink :virtual public abstr_emp
{
private:string reportsto;
protected:const string ReportsTo()const { return reportsto; }string& ReportsTo() { return reportsto; }
public:fink();fink(const string& fn, const string& ln, const string& j, const string& pro);fink(const abstr_emp& e, const string& pro);fink(const fink& e);virtual void ShowAll()const override;virtual void SetAll()override;
};class highfink :public manager, public fink
{
public:highfink();highfink(const string& fn, const string& ln, const string& j, const string& pro, int ico);highfink(const abstr_emp& e, const string& rpo, int ico);highfink(const fink& f, int ico);highfink(const manager& m, const string& rpo);highfink(const highfink& h);virtual void ShowAll()const override;virtual void SetAll()override;
};

emp.cpp

#include "emp.h"abstr_emp::abstr_emp():lname("none"),fname("none"),job("none")
{}
abstr_emp::abstr_emp(const string& fn, const string& ln, const string& j)
{lname = ln;fname = fn;job = j;
}
void abstr_emp::ShowAll()const
{cout << "NAME: " << fname << "." << lname << endl;cout << "JOB TITLE: " << job << endl;
}
void abstr_emp::SetAll()
{cout << "Entenr the first name: ";getline(cin, fname);cout << "Entenr the last name: ";getline(cin, lname);cout << "Entenr the job title: ";getline(cin, job);
}
ostream& operator<<(ostream&os, const abstr_emp& e)
{os << "NAME: " << e.fname << "." << e.lname << endl;os << "JOB TITLE: " << e.job << endl;return os;
}
abstr_emp::~abstr_emp()
{}employee::employee():abstr_emp()
{}
employee::employee(const string& fn, const string& ln, const string& j):abstr_emp(fn, ln, j)
{}
void employee::ShowAll()const
{abstr_emp::ShowAll();
}
void employee::SetAll()
{abstr_emp::SetAll();
}manager::manager():abstr_emp()
{inchargeof=0;
}
manager::manager(const string& fn, const string& ln, const string& j, int ico):abstr_emp(fn,ln,j)
{inchargeof = ico;
}
manager::manager(const abstr_emp& e, int ico):abstr_emp(e)
{inchargeof = ico;
}
manager::manager(const manager& m):abstr_emp(m)
{inchargeof = m.inchargeof;
}
void manager::ShowAll()const
{abstr_emp::ShowAll();cout << "IN CHARGE OF:" << inchargeof << endl;
}
void manager::SetAll()
{abstr_emp::SetAll();cout << "Enter the number of in charge:";cin >> inchargeof;while (cin.get() != '\n')continue;
}fink::fink():abstr_emp()
{}
fink::fink(const string& fn, const string& ln, const string& j, const string& pro):abstr_emp(fn,ln,j)
{this->reportsto = pro;
}
fink::fink(const abstr_emp& e, const string& pro):abstr_emp(e)
{this->reportsto = pro;
}
fink::fink(const fink& e):abstr_emp(e)
{this->reportsto = e.reportsto;}
void fink::ShowAll()const
{abstr_emp::ShowAll();cout << "REPORT TO:" << reportsto << endl;
}
void fink::SetAll()
{abstr_emp::SetAll();cout << "Enter the reports to whom: ";getline(cin, reportsto);
}highfink::highfink():abstr_emp(),manager(),fink()
{}
highfink::highfink(const string& fn, const string& ln, const string& j, const string& pro, int ico):abstr_emp(fn,ln,j),manager(fn,ln,j,ico),fink(fn,ln,j,pro)
{}
highfink::highfink(const abstr_emp& e, const string& pro, int ico):abstr_emp(e),manager(e,ico),fink(e,pro)
{}
highfink::highfink(const fink& f, int ico):abstr_emp(f),fink(f),manager(f,ico)
{}
highfink::highfink(const manager& m, const string& rpo):abstr_emp(m),manager(m),fink(m,rpo)
{}
highfink::highfink(const highfink& h):abstr_emp(h),manager(h),fink(h)
{}
void highfink::ShowAll()const
{manager::ShowAll();cout << "Reportsto: " << ReportsTo() << endl;cout << endl;
}
void highfink::SetAll()
{manager::SetAll();cout << "Enter the reportsto:";getline(cin, fink::ReportsTo());
}