c13-14.cpp

来自「谭浩强C程序设计习题答案」· C++ 代码 · 共 24 行

#include <fstream>
using namespace std;
struct student
{char name[20];
 int num;
 int age;
 char sex;
};
int main()
{student stud[3]={"Li",1001,18,'f',"Fun",1002,19,'m',"Wang",1004,17,'f'};
 ofstream outfile("stud.dat",ios::binary);
 if(!outfile)
  {cerr<<"open error!"<<endl;
   abort();
  }
 for(int i=0;i<3;i++)
   outfile.write((char *)&stud[i],sizeof(stud[i]));
  outfile.close();
 return 0;
}