c++文件操作之二进制文件-写文件

#include<iostream>
#include<fstream>
#include<string>
using namespace std;
class Person {
public:
    char name[64];
    int age;
};
void test() {
    ofstream ofs;
    ofs.open("person.txt",ios::out | ios::binary);
    Person p = { 张三18 };
    ofs.write((const char*)&p,sizeof(Person));
    ofs.close();
}
 main() {
    test();
    system(pause");
    return 0;
}