C++第二次实验1.3

1. #include<iostream>     
   #include<string>     
   using namespace std;  
   class Book  
   {  
   public:  
       void setBook(char n[100],char w[100],char p[100],int pr,int nu,int N);  
       void borrow();  
       void restore();  
       void print();  
       void set_NO(int N);  
       int get_NO();  
   private:  
       char name[100],writer[100],publicer[100];  
       int price,number,NO;  
   };  
     
   void Book::setBook(char n[100],char w[100],char p[100],int pr,int nu,int N)//给书籍的数据成员赋值  
   {  
       strcpy(name,n);  
       strcpy(writer,w);  
       strcpy(publicer,p);  
       price=pr;  
       number=nu;  
       NO=N;  
   }  
     
   void Book::borrow()//借书  
   {  
       number--;  
   }  
     
   void Book::restore()//还书  
   {  
       number++;  
   }  
     
   void Book::print()//输出有关书籍的信息  
   {  
       cout<<"书名："<<name<<endl;  
       cout<<"作者："<<writer<<endl;  
       cout<<"出版社："<<publicer<<endl;  
       cout<<"价格："<<price<<endl;  
       cout<<"数量："<<number<<endl;  
       cout<<"书号："<<NO<<endl;  
   }  
     
   void Book::set_NO(int N)  
   {  
       NO=N;  
   }  
     
   int Book::get_NO()  
   {  
       return NO;  
   }  
   int main()  
   {  
       Book b;  
       b.setBook("瓦尔登湖","梭罗","北京联合公司出版",16,3,27);  
       b.borrow();  
       b.print();  
       b.restore();  
       b.print();  
       b.set_NO(5);  
       b.print();  
       return 0;  
   }