boost序列化

#include <boost/archive/text_iarchive.hpp>
#include <boost/archive/text_oarchive.hpp>
#include <cstdlib>
#include <fstream>
#include <iostream>
#include <string>

typedef boost::archive::text_iarchive iarchive;
typedef boost::archive::text_oarchive oarchive;

using namespace std;

class Data {
friend class boost::serialization::access;
template<class Archive>
void serialize(Archive& ar, const unsigned int version) {
ar& single_data;
ar& single_str;
}

public:
static void save(const Data& obj, string filename) {
ofstream stream(filename.c_str());
oarchive oa(stream);
oa << obj;
}

static void load(Data& obj, string filename) {
ifstream ifs(filename.c_str());
iarchive ia(ifs);
ia >> obj;
}

public:
int single_data;
string single_str;
};

int main(int argc, char const** argv) {
Data data;
data.single_data = 1;
data.single_str = "wuliang";
Data::save(data, "1.db");
Data data2;
Data::load(data2, "1.db");
cout << data2.single_data << endl;
cout << data2.single_str << endl;

return EXIT_SUCCESS;
}