#include <iostream>
#include <fstream>
using namespace std;

int main(){
    char data[100];
//    写入模式
    ofstream outfile;
    outfile.open("afile.dat");

    cout<<"write to the file"<<endl;
    cout<<"write youe name:";

    cin.getline(data,100);
    outfile<<data<<endl;
    cout<<"Enter your age:";
    cin>>data;
    cin.ignore();
    // 再次写入数据
    outfile<<data<<endl;
    outfile.close();

    ifstream infile;
    infile.open("afile.dat");
    cout<<"Now reading from the file"<<endl;
    infile>>data;
    cout<<data<<endl;

    infile>>data;
    cout<<data<<endl;
    infile.close();

}