clear.c

c语言课程设计

/*清除排行榜*/
ClearSort()
{

    student TmpS;    /*定义初始排行榜信息的结构体变量*/
    char DataFile[40] = "record";/*排行榜文件名*/
    FILE *fp;
    strcpy(TmpS.name,"student");/*排行榜中的初始用户名*/
    TmpS.score=60;/*排行榜中的初始成绩*/
    fp=fopen(DataFile,"wb+"); /*打开排行榜*/
    if (fp == NULL)
        {
            printf("\nthe score sort file is not exit!end with any key!\n",DataFile);
            perror("Clear fail");
            getch();
            exit(1);
        }
    /*向排行榜写入初始信息*/
    if(fwrite(&TmpS,sizeof(student),1,fp)!=1)
            {
                printf("\nWrite file %s fail!end with anykey.\n",DataFile);
                perror("Write file fail!");
                    getch();
                    exit(1);
            }

        fclose(fp);/*关闭*/
printf("\n the sort file is cleared!\n");
getch();
}