第一週項目四

/*    
*Copyright (c)2015,煙臺大學計算機與控制工程學院    
*All rights reserved.    
*文件名稱：score.cpp    
*作    者：戰九州   
*完成日期：2015年3月21日    
*版 本 號：v1.0    
*    

#include <iostream>
using namespace std;
class Book
{
public:
    void set_book();
    void set_borrow( );
    void set_restor( );
    void set_print( );
    void set_NO(int );
    void get_NO(int );
private:
    string name;
    string writer;
    string public_name;
    double pric;
    int number;
    int NO;
};
void Book::set_book( )
{
    string n,w,p;
    double pr;
    int N,num;
    cout<<"書名：";
    cin>>n;
    name=n;
    cout<<"作者：";
    cin>>w;
    writer=w;
    cout<<"出版社：";
    cin>>p;
    public_name=p;
    cout<<"價格：";
    cin>>pr;
    pric=pr;
    cout<<"數量：";
    cin>>num;
    number=num;
    cout<<"書號：";
    cin>>N;
    NO=N;
}
void Book:: set_borrow( )
{
    cout<<"借"<<endl;
    number--;
}
void Book:: set_restor( )
{
    cout<<"還"<<endl;
    number++;
}
void Book:: set_print( )
{
    cout<<"name: "<<name<<endl;
    cout<<"writer: "<<writer<<endl;
    cout<<"public_name: "<<public_name<<endl;
    cout<<"pric: "<<pric<<endl;
    cout<<"number: "<<number<<endl;
    cout<<"NO: "<<NO<<endl;
}
void Book:: set_NO(int N )
{
    NO=N;
}
void Book:: get_NO(int )
{
    cout<<NO<<endl;
}
int main()
{
    int N;
    Book book;
    book.set_book();
    book.set_print( );
    book.set_borrow( );
    book.set_print( );
    book.set_restor( );
    book.set_print( );
    cin>>N;
    book.set_NO( N );
    book.set_print();

}

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