MFC序列化和反序列化

#include<iostream>
#include<cstdio>
#include<cstring>
using namespace std;
#include<afx.h>
class CBook:public CObject{//序列化的类一定是CObject直接或问题派生的
public:
	DECLARE_SERIAL(CBook);//分别使用.h中DECLARE_SERIAL和cpp中IMPLEMENT_SERIAL宏。

	CBook();//至少有一个无参数的构造函数
	CBook(CString _name,double _price);
	void print();
	virtual void Serialize(CArchive &ar);//重载基类的Serialize函数

protected:
	CString m_name;
	double  m_price;
};
//.cpp
IMPLEMENT_SERIAL(CBook,CObject,1)
CBook::CBook(){
}
CBook::CBook(CString _name,double _price){
	m_name=_name;
	m_price=_price;
}
void CBook::Serialize(CArchive &ar){
	CObject::Serialize(ar);
	if(ar.IsStoring()){//写
		ar<<m_name<<m_price;
	}else{//读
		ar>>m_name>>m_price;
	}
}
void CBook::print(){
	CString s;
	s.Format(_T("书名:%s 价格:%f"),m_name,m_price);
	MessageBox(0,s,0,0);
}
int main(){
	CString path=_T("C:\\book.txt");
	//序列化
	CBook bk("MyBookName",10000);
	CFile file(path,CFile::modeWrite|CFile::modeCreate);
	CArchive ar(&file,CArchive::store);
	CBook *pBk=&bk;//能被序列化的只能指针型
	ar<<pBk;
	ar.Close();
	file.Close();
	//反序列化
	CFile _file(path,CFile::modeRead);
	CArchive _ar(&_file,CArchive::load);
	CBook *p=new CBook;
	_ar>>p;
	_ar.Close();
	_file.Close();
	MessageBox(0,path,0,0);
	p->print();
	delete p;p=NULL;
	system("pause");
return 0;
}