$sql = " select bf_source, bf_file from $g4[board_file_table] where bo_table = '$bo_table' and wr_id = '$wr_id' and bf_no = '$no' "; //여기서 $no는 업로드파일순서 적당히 변경
$file = sql_fetch($sql);

$filepath = "$g4[path]/data/file/$bo_table/$file[bf_file]";

echo "<a href=$filepath>파일명</a>";