#include
#include
using std::cout;
using std::cin;
using std::endl;
using std::string;
class Book
{
public:
Book(string pName,double pPrice,int pNumber);//構(gòu)造函數(shù)時(shí)從調(diào)用函數(shù)傳過(guò)來(lái)參數(shù),所以 用pass的首字母p表示接受傳參
void display();
void borrow();
void restore();
private:
string name;
double price;
int number;
};
Book::Book(string pName,double pPrice,int pNumber)
{
name = pName;
price = pPrice;
number = pNumber;
}
void Book::display()
{
cout