第十一周项目2-职员有薪水了（2）-优快云博客

本文详细阐述了将C++类中使用string类型修改为char*后的程序实现，重点讨论了指针成员的深复制问题，通过实例展示了如何在构造和析构函数中处理深复制，确保数据的正确性和安全性。

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/* 
 * 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：