文件操作

#include <cstdio>#include <cstdlib>#include <conio.h>int main(){    int T;  //读到磁盘文件的组数    FILE *fp;    char ch;    char str[30];    if((fp=fopen("D:\\progream\\exam.txt","a+"))==NULL)    {        printf("\nnorror on open fail.txt!\n");        getchar();        exit(1);    }    while((ch=getchar())!='\n')   //fputc的用法        fputc(ch,fp);    scanf("%d",&T);   //fputs的用法，    getchar();  //吸收回车符    while(T--)    {        gets(str);        fputs(str,fp);        fputs("\n",fp);    }    fclose(fp);    return 0;}