";              echo "
返回上一级
";              while($r = readdir($p)){
   //读取打开的文件夹                     if($r == "."|| $r =="..")continue;//把读出来的前两项.和..去掉                                         if(is_dir("{
   $path}/{
   $r}")){                           echo "
|-".$r."
";                     }else{                           echo "
|--".$r."
";                     }              }            echo "";                   }      closedir();    ?>