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第十一周 项目2-职员有薪水了(2)

2015-05-21 16:12 274 查看
/*
* Copyright (c) 2014, 烟台大学计算机学院
* All rights reserved.
* 文件名称:test.cpp
* 作    者:呼亚萍
* 完成日期:2015年5月21日
* 版 本 号:v1.0
*
* 问题描述: 字符串除了用C++扩充的string类型外,按C语言的传统,还可以用char *表示。请将类声明中的string全部改为char *后,重新写一遍程序(此时的区别是,类中有指针成员,构造和析构函数需要考虑深复制的问题了.)
* 程序输入:相应的程序
* 程序输出:对应得结果
*/

#include<iostream>
#include<cstring>
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<<"woman";
else cout<<"man";
cout<<"   "<<m_nAge<<"     ";
}
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"<<"  "<<"department"<<"    "<<"salary"<<endl;
cout<<"      "<<m_szName<<"     "<<m_szId;
if(m_nSex==0)
cout<<"woman";
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;
}


运算结果:



知识点总结:

深复制的应用,体验了保护成员在派生函数中的访问!

学习心得:

多加尝试,发现新的方法!
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