t

void save (struct stu *head)
{                                        
 FILE *fp,*fpp;
 if (((fp=fopen (filenameB,"at"))==NULL)||((fpp=fopen (filename,"at"))==NULL))
 {
  printf ("文件创建失败，请按任意键继续...");
  getch();
  system( "cls ");
 }
 while (head!=NULL)   //   循环将信息写入文件
 {
  fwrite(head,sizeof (struct stu ),1,fp);
  fprintf(fpp,"  学号\t  姓名\t%s\t等级\t%s\t等级\t%s\t等级\t总分\t平均分\n",sub1,sub2,sub3);
  fprintf(fpp,"%d  %s\t%.1f\t %c\t%.1f\t %c\t%.1f\t %c\t%.1f\t%.2f\n\n",head->num,head->name,head->s[0],head->dj[0],head->s[1],head->dj[1],head->s[2],head->dj[2],head->sum,head->ave);
  head=head->next ;
 }
 fclose (fp);
 fclose(fpp);
 printf ("\n\n成绩已保存完毕，感谢您的使用！请按任意键继续...");
 getch ();
 system( "cls ");

}