c++第四次作业

最新推荐文章于 2022-03-23 14:18:26 发布

wen0623

最新推荐文章于 2022-03-23 14:18:26 发布

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CC 4.0 BY-SA版权

本文链接：https://blog.youkuaiyun.com/wen0623/article/details/51329884

本文通过两个具体的C++代码示例介绍了面向对象编程的基本概念，包括类的定义、继承及多态性的使用。第一个示例展示了如何创建一个学生类并继承自个人类；第二个示例则说明了职员类的实现，其中包括从个人类继承并添加额外属性如部门和薪水。

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1.龙三

#include <iostream>      
#include <string>      
using namespace std;      
class Person{      
public:      
    Person(string s)  
    {      
        name=s;      
    }      
    void display( )  
    {      
        cout<<"Name: "<<name<<endl;      
    }      
private:      
    string name;      
};      
class Student: public Person     
{      
public:      
    Student(string s, int g):Person(s)       
    {grade=g;}      
    void display1( )  
    {      
        display();        
        cout<<"Grade: "<<grade<<endl;      
    }      
private:      
    int grade;      
};      
int main( )      
{      
    Student s("龙三",19);      
    s.display1();           
    return 0;      
}

2.职员薪水

#include <iostream>    
#include <string>    
using namespace std;  
class CPerson    
{    
protected:    
    string m_szName;    
    string m_szId;    
    int m_nSex;//0:女,1:男    
    int m_nAge;    
public:    
    CPerson(string name,string id,int sex,int age);    
    void Show1();    
};    
CPerson::CPerson(string name,string id,int sex,int age)  
{  
    m_szName=name;m_szId=id;m_nSex=sex;m_nAge=age;  
}  
void CPerson::Show1()  
{  
    cout<<m_szName<<"  "<<m_szId<<"  "<<(m_nSex>0?"男":"女")<<"  "<<m_nAge<<"   ";  
}  
class CEmployee:public CPerson    
{    
private:    
    string m_szDepartment;    
    double m_Salary;    
public:    
    CEmployee(string name,string id,int sex,int age,string department,double salary);  
      
    void Show2();    
};  
CEmployee::CEmployee(string name,string id,int sex,int age,string department,double salary):CPerson(name,id,sex,age)   
{  
    m_szDepartment=department;m_Salary=salary;  
}  
void CEmployee::Show2()  
{  
    cout<<"姓名  "<<"ID  "<<"性别  "<<"年龄  "<<"部门  "<<"薪水  "<<endl;  
    Show1();  
    cout<<m_szDepartment<<"  "<<m_Salary<<"  "<<endl;  
}  
int main()    
{    
    string name,id,department;    
    int sex,age;    
    double salary;    
    cout<<"请输入雇员的姓名,ID,性别(0:女,1:男),年龄,部门,薪水:\n";    
    cin>>name>>id>>sex>>age>>department>>salary;    
    CEmployee employee1(name,id,sex,age,department,salary);    
    employee1.Show2();    
    return 0;    
}