<?function rw_counterfile(){$fp=fopen("counter.txt","r+");if($fp==NULL) echo "文件处理出错";rewind($fp);//指针移到文件头fseek($fp, 2);//指针向后移2$point=ftell($fp);//echo $point.";";//fputs($fp, xyxy, 2);//写入2个字符rewind($fp);//$num=fgets($fp,23);//读出字符串echo "get:".$num.";";/...