syntax = "proto3";

    package myPbMsg;

    message Person {
      optional string name = 1;
      optional int32 id = 2;
      optional string email = 3;
     
      enum PhoneType {
        MOBILE = 0;
        HOME = 1;
        WORK = 2;
      }
     
      message PhoneNumber {
        optional string number = 1;
        optional PhoneType type = 2;
      }
     
      repeated PhoneNumber phone = 4;
    }

echo "以下命令，会编译person.proto，生成c++的文件"
protoc.exe --cpp_out=.  person.proto  
pause

#include "stdafx.h"
#include <fstream>
#include "person.pb.h"
using namespace std;
using namespace myPbMsg;

//Person序列化
void person_serialize()
{
    Person person;
    person.set_name("Mike Jordon");
    person.set_id(1001);
    person.set_email("MikeJD@email.com");
    Person_PhoneNumber *pPhone = person.add_phone();
    pPhone->set_type(Person_PhoneType::Person_PhoneType_MOBILE);
    pPhone->set_number("13800138000");
    
    fstream output("myfile.serial", ios::out | ios::binary);
    person.SerializeToOstream(&output);
}

//Person反序列化
void person_unSerialize()
{
    fstream input("myfile.serial", ios::in | ios::binary);
    Person person;
    person.ParseFromIstream(&input);
    cout << "ID: " << person.id() << endl;
    cout << "Name: " << person.name() << endl;
    cout << "E-mail: " << person.email() << endl;
    if(person.phone().size()) cout << "Phone: " << person.phone().at(0).number() << endl;
}

int main()
{
    person_serialize();
    person_unSerialize();

    system("pause");
    return 0;
}