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system1/文件保存题库以及读取题库.c

40 lines
781 B

#include<stdio.h>
#include<malloc.h>
#include<windows.h>
#include <stdlib.h>
#define TRUE 1
#define ERROR 0
#define MAX 30
typedef int Status;
typedef struct{
char option1[30],option2[30],option3[30],option4[30],subject[150];
char result;
}TestNode;
TestNode Testquestions[MAX];
Status SaveNode(int N) //把结构体数组保存到文件“单项选择题考试题库”中
{
int i;
FILE *fp;
if((fp=fopen("单项选择题考试题库","wb"))==NULL)
return ERROR;
for(i=0;i<N;i++)
fwrite(&Testquestions[i],sizeof(TestNode),1,fp);
fclose(fp);
return TRUE;
}
Status ReadNode(int N) //从文件中读出结构体数组的内容
{
FILE *fp;
int i=0;
if((fp=fopen("单项选择题考试题库","rb"))==NULL)
return ERROR;
while(!feof(fp))
{
fread(&Testquestions[i],sizeof(TestNode),1,fp);
i++;
}
return TRUE;
}