问题及代码:
/*
*Copyright (c)2015,烟台大学计算机与控制工程学院
*All rights reserved.
*文件名称: 职员有薪水了 .cpp
*作 者:白云飞
*完成日期:2015年5月16日
*版 本 号:v1.0
*
*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。
*程序输入:姓名、身份证号、性别和年龄,部门和薪水
*程序输出:姓名、身份证号、性别和年龄,部门和薪水
*/
#include <iostream>
#include <string.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);
void Show1();
~CPerson();
};
CPerson::CPerson(char *name,char *id,int sex,int age)
{
m_szName=new char[strlen(name)+1];
strcpy(m_szName,name);
m_szId=new char[strlen(id)+1];
strcpy(m_szId,id);
m_nSex=sex;
m_nAge=age;
}
void CPerson::Show1()
{
cout<<" "<<m_szName<<" "<<m_szId;
if(m_nSex==0)
cout<<" "<<"women";
else
cout<<" "<<"man";
cout<<" "<<m_nAge<<endl;
}
CPerson::~CPerson()
{
delete []m_szName;
delete []m_szId;
}
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();
};
CEmployee::CEmployee(char *name,char *id,int sex,int age,char *department,float salary):CPerson(name,id,sex,age)
{
m_szDepartment=new char[strlen(department)+1];
strcpy(m_szDepartment,department);
m_Salary=salary;
}
void CEmployee::Show2()
{
cout<<" "<<"name"<<" "<<"id"<<" "<<"sex"<<" "<<"age"<<" "<<"department"<<" "<<"salary"<<endl;
cout<<" "<<m_szName<<" "<<m_szId;
if(m_nSex==0)
cout<<" "<<"women";
else
cout<<" "<<"man";
cout<<" "<<m_nAge;
cout<<" "<<m_szDepartment<<" "<<m_Salary<<endl;
}
CEmployee::~CEmployee()
{
delete []m_szDepartment;
}
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();
return 0;
}
运行结果:
学习心得:
char*类,要用到深复制,而且在析构函数里还要释放空间。