/* (程序头部注释开始)
* 程序的版权和版本声明部分
* Copyright (c) 2012, 烟台大学计算机学院学生
* All rights reserved.
* 文件名称:定义一个名为CPerson的类
* 作者:刘杨
* 完成日期: 2012 年 4 月 23 日
* 版本号: x1.0
* 对任务及求解方法的描述部分
* 输入描述: 继承和派生
* 问题描述:定义一个名为CPerson的类,有以下私有成员:姓名、身份证号、性别和年龄,成员函数:构造函数、析构函数、输出信息的函数。并在此基础上派生出CEmployee类,派生类CEmployee增加了两个新的数据成员,分别用于表示部门和薪水。要求派生类CEmployee的构造函数显示调用基类CPerson的构造函数,并为派生类CEmployee定义析构函数,定义输出信息的函数。
* 程序输出:
* 程序头部的注释结束
*/
#include <iostream>
#include <string.h>
#include <iomanip>//setw:设置输出数据的宽度,使用时应#include <iomanip.h>
using namespace std;
class CPerson
{
protected:
char *m_szName;
char *m_szId;
int m_nSex;//0:women,1:man
int m_nAge;
public:
CPerson(char *name, char *id, int sex, int age) : m_szName(name), m_szId(id), m_nSex(sex), m_nAge(age){}
void Show1();
~CPerson() //需要释放建立对象时动态分配的内存
{
delete [] m_szName;
delete [] m_szId;
}
};
void CPerson :: Show1()
{
cout << setw(6) << "name" << "id:" << "sex(0:women,1:man):" << "age:" << endl;
cout << setw(6) << *m_szName << *m_szId << m_nSex << m_nAge;
}
class CEmployee : public CPerson
{
private:
char *m_szDepartment;
float m_Salary;
public:
CEmployee(char *name,char *id,int sex,int age,char *department,float salary);
void Show2();
~CEmployee()
{
delete [] m_szDepartment;
}
};
void CEmployee :: Show2()
{
cout << setiosflags(ios :: left) << setw(8) << "name" << setw(22) << "id" << setw(10) << "sex" << setw(12) << "age" << setw(18) << "department" << setw(12) << "salary" << endl;
cout << setiosflags(ios :: left) << setw(8) << m_szName << setw(22) << m_szId << setw(10);
if(m_nSex == 0)cout << "women";
else cout << "man";
cout << setw(12) << m_nAge << setw(18) << m_szDepartment << setw(12) << m_Salary << endl;
}
CEmployee :: CEmployee(char *name,char *id,int sex, int age, char *department, float salary) : CPerson(name, id, sex, age)
{
m_szDepartment = department;
m_Salary = salary;
}
int main()
{
char name[10], id[19], department[10];
int sex, age;
float salary;
cout << "input employee's name,id,sex(0:women,1:man),age,department,salary:\n";
cin >> name >> id >> sex >> age >> department >> salary;
CEmployee employee1(name, id, sex, age, department, salary);
employee1.Show2();
system("pause");
return 0;
}
运行结果:
