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#ifndef _STUDENTSCORE_H_
#define _STUDENTSCORE_H_
#include <stdio.h>
#include <stdlib.h>
#include <iostream>
struct student_score
{
char name[10];
int num;
int China;
int Math;
int English;
}score[100];
void save(char*name,int n);
void show(char*name,int n);
#endif
#include "stuscore.h"
int main()
{
int i,n;
char filename[50];
printf("how many students in your class?\n");
scanf("%d",&n);
printf("please input filename:\n");
scanf("%s",filename);
printf("please input name,number,China,math,English:\n");
for(i=0;i<n;i++)
{
printf("NO%d",i+1);
scanf("%s%d%d%d%d",score[i].name,&score[i].num,&score[i].China,&score[i].Math,&score[i].English);
save(filename,n);
}
show(filename,n);
system("pause");
}
#include "stuscore.h"
void save(char*name,int n)
{
FILE *fp;
int i;
if ((fp=fopen(name,"wb"))==NULL)
{
printf("cannot open file\n");
exit(0);
}
for(i=0;i<n;i++)
if(fwrite(&score[i],sizeof(struct student_score),1,fp)!=1)
printf("file write error\n");
fclose(fp);
}
#include "stuscore.h"
void show(char*name,int n)
{
int i;
FILE *fp;
if ((fp=fopen(name,"rb"))==NULL)
{
printf("cannot open file\n");
exit(0);
}
for (i=0;i<n;i++)
{
fread(&score[i],sizeof(struct student_score),1,fp);
printf("%-10s%4d%4d%4d%4d\n",score[i].name,score[i].num,score[i].China,score[i].Math,score[i].English);
}
}
#include "stuscore.h"
//添加 struct student_score score[100];
int main()
{
int i,n;
char filename[50];
a1.cpp :
#include "stuscore.h"
//添加 extern struct student_score score[100];
void save(char*name,int n)
{
FILE *fp;
int i;
a2.cpp :
#include "stuscore.h"
//添加 extern struct student_score score[100];
void show(char*name,int n)
{
int i;
FILE *fp;
#ifndef _STUDENTSCORE_H_
#define _STUDENTSCORE_H_
#include <stdio.h>
#include <stdlib.h>
#include <iostream>
struct student_score
{
char name[10];
int num;
int China;
int Math;
int English;
};
extern struct student_score score[100];
void save(char*name,int n);
void show(char*name,int n);
#endif
main.cpp:
#include "stuscore.h"
student_score score[100];
int main()
{
int i,n;
char filename[50];
printf("how many students in your class?\n");
scanf("%d",&n);
printf("please input filename:\n");
scanf("%s",filename);
printf("please input name,number,China,math,English:\n");
for(i=0;i<n;i++)
{
printf("NO%d",i+1);
scanf("%s%d%d%d%d",score[i].name,&score[i].num,&score[i].China,&score[i].Math,&score[i].English);
save(filename,n);
}
show(filename,n);
system("pause");
}
a1.cpp:
#include "stuscore.h"
void save(char*name,int n)
{
FILE *fp;
int i;
if ((fp=fopen(name,"wb"))==NULL)
{
printf("cannot open file\n");
exit(0);
}
for(i=0;i<n;i++)
if(fwrite(&score[i],sizeof(struct student_score),1,fp)!=1)
printf("file write error\n");
fclose(fp);
}
a2.cpp:
#include "stuscore.h"
void show(char*name,int n)
{
int i;
FILE *fp;
if ((fp=fopen(name,"rb"))==NULL)
{
printf("cannot open file\n");
exit(0);
}
for (i=0;i<n;i++)
{
fread(&score[i],sizeof(struct student_score),1,fp);
printf("%-10s%4d%4d%4d%4d\n",score[i].name,score[i].num,score[i].China,score[i].Math,score[i].English);
}
}
struct student_score
{
char name[10];
int num;
int China;
int Math;
int English;
}score[100];
//改为如下:
struct student_score
{
char name[10];
int num;
int China;
int Math;
int English;
};
main.cpp:
#include "stuscore.h"
int main()
{
int i,n;
char filename[50];
//添加 struct student_score score[100];
a1.cpp :
#include "stuscore.h"
void save(char*name,int n)
{
FILE *fp;
int i;
//添加 extern struct student_score score[100];
a2.cpp :
#include "stuscore.h"
void show(char*name,int n)
{
int i;
FILE *fp;
//添加 extern struct student_score score[100];
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