文件流 结构体

#include <iostream>
#include <cstdio>
using namespace std;
struct no{
    string name;
    int age;
    string blc;
    int shengao;
    int tizhong;
};

int main(int argc, char** argv) {
    freopen("student.txt","w",stdout);
    no asd; 
    for(int i=0;i<5;i++){
        cin>>asd.name>>asd.age>>asd.blc>>asd.shengao>>asd.tizhong;
        cout<<asd.name<<" "<<asd.age<<" "<<asd.blc<<asd.shengao<<" "<<asd.tizhong;
        cout<<endl;
    }
    
    
    
    fclose(stdout);
    return 0;
}
/*
wanghuali 3 nan 150 222
guliheng 1 nan 160 222
zhangzhanqian 160 nan 1 222
guhaokun 1 nan 163 222
yeiaoyu 1 nan 161 222
*/

• 从黑框中输入 在从文本中书出

 

 

 

 

• 从文本里读取  再从黑框中输出

#include <iostream>
#include <cstdio>
using namespace std;
struct no{
    string name;
    int age;
    string blc;
    int shengao;
    int tizhong;
};

int main(int argc, char** argv) {
    freopen("student.txt","r",stdin);
    no asd; 
    for(int i=0;i<5;i++){
        cin>>asd.name>>asd.age>>asd.blc>>asd.shengao>>asd.tizhong;
        cout<<asd.name<<" "<<asd.age<<" "<<asd.blc<<" "<<asd.shengao<<" "<<asd.tizhong;
        cout<<endl;
    }    
    fclose(stdin);
    return 0;
}
/*
wanghuali 3 nan 150 222
guliheng 1 nan 160 222
zhangzhanqian 160 nan 1 222
guhaokun 1 nan 163 222
yeiaoyu 1 nan 161 222
*/