[c++]基类对象作为函数参数（赋值兼容规则）

编程处理教师的基本情况。要求：

1、定义一个“person”类，用来存储及处理人的姓名、性别、年龄，成员函数自定；

2、定义“teacher”类，公有继承“person”类用来存储教师所在学院、所学专业、学历、学位、职称、教龄等，成员函数自定。

3、处理程序，主要包括：

⑴显示姓名、性别、年龄函数：既能显示person对象的姓名、性别、年龄，又能显示teacher对象的姓名、性别、年龄（用person引用对象为形参）；

⑵显示教师所在学院、所学专业、学历、学位、职称、教龄的函数；

⑶ main()函数：分别定义persor对象及teacher对象，并输入不同对象相关值，调用成员函数设置对象的值，调用显示函数显示相应值。

#ifndef __person__person__
#define __person__person__
#include<iostream>
using namespace std;
#include<string.h>
class person
{
protected:
char *name;
char *sex;
int age;
public:
person(char *na,char *se,int ag);
void set_person(char *na,char *se,int ag);
char* get_name()
{return name;}
char* get_sex()
{return sex;}
int get_age()
{return age;}
void print();
~person()
{delete []name;delete []sex;}
};
person::person(char *na,char *se,int ag)
{
name=new char[strlen(na)+1];
strcpy(name,na);
sex=new char[strlen(se)+1];
strcpy(sex,se);
age = 0;
}
void person:: set_person(char *na,char *se,int ag)
{
name=new char[strlen(na)+1];
strcpy(name,na);
sex=new char[strlen(se)+1];
strcpy(sex,se);
age=ag;
}
void person:: print()
{
for(int i = 0;i<=strlen(name);i++)
{
cout<<name[i];
}
cout<<endl;
for(int i = 0;i<=strlen(sex);i++)
{
cout<<sex[i];
}
cout<<endl;
cout<<"age:"<<age<<endl;
cout<<endl;
}
#endif /* defined(__person__person__) */

#ifndef person_teacher_h
#define person_teacher_h
#include"person.h"
class teacher:public person
{
protected:
char *college;//学院
char *speciality;//专业
char *school;//学历
char *degree;//学位
char *title;//职称
int teacherage;//教龄
public:
teacher(char *na,char* se,int ag,char *co,char *sp,char* sc,char* de,char* ti,int te);
void set_t(char *na,char* se,int ag,char *co,char *sp,char* sc,char* de,char* ti,int te);
char* get_college()
{return college;}
char* get_speciality()
{return
speciality;}
char* get_school()
{return
school;}
char* get_degree()
{return
degree;}
char* get_title()
{return
title;}
int get_teacher_age()
{return teacherage;}
~teacher();
void print_t(person&p);
};
teacher::teacher(char *na,char* se,int ag,char *co,char *sp,char* sc,char* de,char* ti,int te):person(na,se,ag)
{
//person::set_person(na, se, ag);
college=new char[strlen(co)+1];
strcpy(college,co);
speciality=new char[strlen(sp)+1];
strcpy(speciality,sp);
school=new char[strlen(sc)+1];
strcpy(school,sc);
degree=new char[strlen(de)+1];
strcpy(degree,de);
title=new char[strlen(ti)+1];
strcpy(title,ti);
teacherage =0;
}
void teacher:: set_t(char *na,char* se,int ag,char *co,char *sp,char* sc,char* de,char* ti,int te)
{
name=new char[strlen(na)+1];
strcpy(name,na);
sex=new char[strlen(se)+1];
strcpy(sex,se);
age=ag;
college=new char[strlen(co)+1];
strcpy(college,co);
speciality=new char[strlen(sp)+1];
strcpy(speciality,sp);
school=new char[strlen(sc)+1];
strcpy(school,sc);
degree=new char[strlen(de)+1];
strcpy(degree,de);
title=new char[strlen(ti)+1];
strcpy(title,ti);
teacherage =te;
}
teacher::~teacher()
{
delete []college;
delete []speciality;
delete []school;
delete []degree;
delete [] title;
}
void teacher:: print_t(person &p)
{
p.print();
cout<<"-------------------"<<endl;
for(int i = 0;i<=strlen(college);i++)
{
cout<<college[i];
}
cout<<endl;
for(int i = 0;i<=strlen(speciality);i++)
{
cout<<speciality[i];
}
cout<<endl;
for(int i = 0;i<=strlen(school);i++)
{
cout<<school[i];
}
cout<<endl;
for(int i = 0;i<=strlen(degree);i++)
{
cout<<degree[i];
}
cout<<endl;
for(int i = 0;i<=strlen(title);i++)
{
cout<<title[i];
}
cout<<endl;
cout<<teacherage<<endl;
cout<<endl;
}
void fun(person &p)
{
p.print();
cout<<endl;
}
#endif

#include "teacher.h"
//#include"person.h"
int main()
{
person p("s","nv",22);
teacher T("张老师","女",44,"计科","网络","本科","博士","教授",20);
T.print_t(p);
T.set_t("张老师","女",44,"计科","网络","本科","博士","教授",20);
T.print_t(p);
cout<<T.get_name()<<endl;
cout<<T.get_sex()<<endl;
cout<<T.get_age()<<endl;
cout<<T.get_college()<<endl;
cout<<T.get_degree()<<endl;
cout<<T.get_school()<<endl;
cout<<T.get_speciality()<<endl;
cout<<T.get_title()<<endl;
cout<<T.get_teacher_age()<<endl;
cout<<"--------------------"<<endl;
fun(p);
return 0;
}
//int main()
//{
//
person p("s","nv",22);
//
p.print();
//
p.set_person("w","female",44);
//
p.print();
//
return 0;
//}

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