$f=file_get_contents("1.txt");
$f=preg_replace('/d+/', '', $f);
$f=iconv('gb2312','utf-8',$f);
$ff=str_replace("、","@",$f);
echo $ff;
$f=file_get_contents("1.txt");
$f=preg_replace('/d+/', '', $f);
$f=iconv('gb2312','utf-8',$f);
$ff=str_replace("、","@",$f);
echo $ff;