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737 B
737 B
//17从文件中读取学生的学号、姓名及成绩等信息写入到结构体数组stu中
void ReadfromFile(STU stu[],int *n, int *m)
{
FILE *fp;
int i, j;
if ((fp = fopen("student.txt","r")) == NULL)
{
printf("Failure to open score.txt!\n");
exit(0);
}
fscanf(fp, "%d\t%d", n, m); // 从文件中读出学生人数和课程门数
for (i=0; i<*n; i++) //学生人数保存在n指向的存储单元
{
fscanf(fp, "%10ld", &stu[i].num);
fscanf(fp, "%10s", stu[i].name);
for (j=0; j<*m; j++)//课程门数保存在m指向的存储单元
{
fscanf(fp, "%10f", &stu[i].score[j]); //不能用%10.0f
}
fscanf(fp, "%10f%10f", &stu[i].sum, &stu[i].aver);//不能用%10.0f
}
fclose(fp);
}