使用提升序列化多态类

当我尝试对 Sphere 是几何子类的数据进行服务器化时，程序崩溃并出现未处理的异常。

在序列化.exe 0x000007FEFCA0B87D引发异常：Microsoft C++异常：在内存位置0x000000000022F730 提升：：存档：：archive_exception

这发生在"ar&g;"这一行上。

include "pch.h"
#include <iostream>
#include<fstream>
#include <boost/archive/text_iarchive.hpp>
#include <boost/archive/text_oarchive.hpp>
#include "Geometry.h"
#include "Sphere.h"
#include <boost/serialization/export.hpp>

int main()
{
const char* fileName = "saved.txt";
Sphere Sph;
Geometry* g = &Sph;
// save data
{
// Create an output archive
std::ofstream ofs(fileName);        
boost::archive::text_oarchive ar(ofs);  
ar & g ;    // This lines throws exception.     
}
Geometry* c_Restored;   
//load data
{
// create an input stream
std::ifstream ifs(fileName);        
boost::archive::text_iarchive ar(ifs);
ar & c_Restored;
}

c_Restored->PrintGeom();
do
{
std::cout << 'n' << "Press a key to continue...";
} while (std::cin.get() != 'n');
}

///

#include "Geometry.h"
#include <boost/serialization/serialization.hpp>
#include <boost/serialization/export.hpp>


class Sphere : public Geometry
{
private:
std::string stdstrSphere;

public:
Sphere() : stdstrSphere( "DefaultSphere"){}
Sphere( std::string str) : stdstrSphere(str) {}
void PrintGeom()
{
std::cout << "Sphere Virtual Function" << std::endl;
}
private:
typedef Geometry _Super;
friend class boost::serialization::access;

template <typename Archive>
void save(Archive& ar, const unsigned version) const {
boost::serialization::base_object<_Super>(*this);
ar & stdstrSphere;
}
template <typename Archive>
void load(Archive& ar, const unsigned version) {
boost::serialization::base_object<_Super>(*this);
ar & stdstrSphere;
}
BOOST_SERIALIZATION_SPLIT_MEMBER()

};

/// #pragma 一次

#include <string>
#include <boost/serialization/split_member.hpp>
#include <boost/serialization/base_object.hpp>
class Geometry
{
private:
std::string stdstringGeom;
public:
virtual void  PrintGeom()
{
std::cout << "geometry virtual function";
}
private:
friend class boost::serialization::access;

template <typename Archive>
void save(Archive& ar, const unsigned version) const {
ar & stdstringGeom;
}
template <typename Archive>
void load(Archive& ar, const unsigned version) {
ar & stdstringGeom;
}

BOOST_SERIALIZATION_SPLIT_MEMBER()
};