类继承的结构

 

 

 

#include <iostream>
#include <string>

using namespace std;
class Person
{
public:
    Person( string aName=“”, bool aSex=true, int aAge=0 );
    void display() const;
protected:
    string m_strName;
    bool m_bSex;
    int m_iAge;
};
Person::Person( string aName,bool aSex,int aAge )    :m_strName(aName), m_bSex(aSex), m_iAge(aAge)
{
}
void Person::display() const
{
    cout << m_strName << endl;
    string sex;
    if( m_bSex )
        sex = "male";
    else
        sex = "famale";
    cout << sex << endl;
    cout << m_iAge << endl;
}


class Teacher: public Person
{
public:
    Teacher( string aName, int aSex, int aAge, string aAddr, string aMajor, int aSalary );
    void displayEx() const;
protected:
    string m_strAddr;
    string m_strMajor;
    int m_iSalary;
};
Teacher::Teacher( string aName, bool aSex, int aAge, string aAddr,string aMajor,int aSalary ):Person( aName, aSex, aAge ), m_strAddr(aAddr), m_strMajor(aMajor),m_iSalary(aSalary)//这里用不着写“:m_strName(aName), m_bSex(aSex), m_iAge(aAge)”
{
}
void Person::displayEX() const
{
    display();
    cout << m_strAddr << endl;
    cout << m_strMajor << endl;
    cout << m_iSalary << endl;
}