#include <iostream>
using namespace std;
class Publication{
private:
string title,name,date;
int price;
public:
Publication(){inputData();}
Publication(string _title,string _name,int _price,string _date):title(_title),name(_name),price(_price),date(_date){}
void inputData(){
cout<<"请输入标题:"<<endl;
cin>>title;
cout<<"请输入书名:"<<endl;
cin>>name;
cout<<"请输入价格:"<<endl;
cin>>price;
cout<<"请输入日期:"<<endl;
cin>>date;
}
void display(){
cout<<"标题:"<<title<<endl;
cout<<"书名:"<<name<<endl;
cout<<"价格:"<<price<<endl;
cout<<"日期:"<<date<<endl;
}
~Publication(){}
};
class Book:public Publication{
private:
int page;
public:
Book(){inputData();}
Book(string _title,string _name,int _price,string _date,int _page):Publication(_title,_name,_price,_date),page(_page){}
void inputData(){
//Publication::inputData();
cout<<"请输入页数:"<<endl;
cin>>page;
}
void display(){
Publication::display();
cout<<"页数:"<<page<<endl;
}
~Book(){}
};
class CD:public Publication{
private:
int playtime;
public:
CD(){inputData();}
CD(string _title,string _name,int _price,string _date,int _playtime):Publication(_title,_name,_price,_date),playtime(_playtime){}
void inputData(){
//Publication::inputData();
cout<<"请输入播放时间:"<<endl;
cin>>playtime;
}
void display(){
Publication::display();
cout<<"播放时间:"<<playtime<<endl;
}
~CD(){}
};
int main(){
Publication pub;
Book book;
CD cd;
pub.display();
book.display();
cd.display();
return 0;
}