Xuersry的博客

1·只有一行数据输出方法一：#include<iostream>#include<cstdlib> //只有一行数据 int main(){ FILE *fp=NULL; int buff[255]; int i=0; fp=fopen("liuliguang.txt","r"); while(fscanf(fp,"%d",&buff[i])!=EOF) { i++; } printf("%d\n",i); for(int j=0;j&lt

1·fprintf/fscanf·fprintf: 向文件中写入数据–fprintf(fp,"%d",a)·fscanf: 读取文件数据–fscanf(fp,"%d %c",&i ,str)//fprintf实例#include<iostream>#include<cstdlib>int main(){ // fprint 向文件中写入数据 fprint(fp,"%d %c",a,b); // fscanf 读取文件数据 scanf(fp,