结合js做的,具体的话相应要做修改,比如目录制
[html]
<script language="javascript">
with (document) {
        write("<style type=text/css>");
        write(".child ")
        write("</style>");
    }
function initit(){
        divcoll = document.all.tags("div");
        for (i=0; i<divcoll.length; i++) {
            whichel = divcoll(i);
            if (whichel.classname == "child") whichel.style.display = "none";
        }

}
function expandit(el) {

        whichel = eval(el + "child");
        if (whichel.style.display == "none") {
            whichel.style.display = "block";
        }
        else {
            whichel.style.display = "none";
        }
    }
onload = initit;
</script>
<link href=../main.css rel=stylesheet type=text/css>
<?
function hsort($a)
  {
    $b=;
    $c=;
    for($i=0;$i<count($a);$i++)
      {
        $j=substr($a[$i],0,1);
        if($j==d)
          if($i==0)
            $b=$a[$i];
          else
            $b.=&&%%.$a[$i];
        else
          if($i==0)
            $c=$a[$i];
          else
            $c.=&&%%.$a[$i];
      }
    if($b==)
      {
        $ff=explode(&&%%,$c);
        return $ff;
      }
    else
      {
        if($c==)
          {
            $ff=explode(&&%%,$b);
            return $ff;
          }
        else
          {
            $f1=$b.&&%%.$c;
            $ff=explode(&&%%,$f1);
            return $ff;
          }
      }
  }
require("./class/ftp.php");
$host=localhost;
$user=huyang;
$pass=huyang;
function ftpurl($url,$konge,$in,$name)
  {
    if($konge>10)
      {}
    else
      {
        global $host,$user,$pass;
        $ftp=new ftp;
        $ftp->init($host,$user,$pass);
        $ftp->initpwd($url);
        $a=$ftp->mulu();
        $ftp->close();
        $a=hsort($a);
        if($in!=1)
          {
            $sss=$name.child;
            echo<div id=".$sss." class="child">;
          }
        $v=0;
        for($i=1;$i<count($a);$i++)
          {
            $aa=explode( ,$a[$i]);
            $j=substr($aa[0],0,1);
            if($j==t)
              {}
            elseif($j==d)
              {
                $c=count($aa);
                $c-=1;
                if(($aa[$c]==.)||($aa[$c]==..))
                  {}
                else
                  {
                    $v++;
                    if($in==1)
                      {
                        $name1=url.$v.parent;
                        $names=url.$v;
                        echo<div id=".$name1." class="parent">;
                        echo<a href="#" onclick="expandit(;
                        echo"".$names."";
                        echo); return false" ><img src="img/plus.gif" border=0>.$aa[$c].</a></div>
                             ;
                      }
                    else
                      {
                        $names=$name._.$v;
                        echo<a href="#" onclick="expandit(;
                        echo"".$names."";
                        echo); return false" >;
                        for($hu=0;$hu<$konge;$hu++)
                          echo<img src="img/spacer.gif"  border=0 alt="">;
                        echo<img src="img/plus.gif"  border=0>.$aa[$c].</a><br>
                             ;
                      }
                    $url1=$url./.$aa[$c];//may be need to change
                    $konge1=$konge+1;
                    ftpurl($url1,$konge1,0,$names);
                  }
              }
            else
              {
                $c=count($aa);
                $c-=1;
                if($in==1)
                  {
                    $name=url.$i.parent;
                    $name1=url.$i;
                    echo<div id=".$name." class="parent">;
                    echo<a href="#"><img src="img/open.gif" border=0>.$aa[$c].</a></div>
                    ;
                  }
                else
                  {
                    echo<a href="#">;
                    for($hu=0;$hu<$konge;$hu++)
                    echo<img src="img/spacer.gif"  border=0 alt="">;
                    echo<img src="img/open.gif"  border=0>.$aa[$c].</a><br>
                    ;
                  }
              }
          }
        if($in!=1)
          echo</div>;
      }
  }
$ftp=new ftp;
$ftp->init($host,$user,$pass);
$s=$ftp->pwd();
$ftp->close();
ftpurl($s,0,1,url1); //$s may be need to change
?>
[/html]
以下为类文件
[html]
<?
class ftp
  {
    var $id,$tid,$host,$user,$pass,$pwd;
    var $china_mulu;
    function init($host,$user,$pass)
      {
        $this->host=$host;
        $this->user=$user;
        $this->pass=$pass;
        $this->setup();
      }
    function setup()
      {
        if($this->host==)$this->host=localhost;
        if($this->user==)$this->user=;
        if($this->pass==)$this->pass=;
        $this->id=ftp_connect($this->host) or $this->ftp_msg("can not connect ftp");
        $this->tid=ftp_login($this->id,$this->user,$this->pass) or $this->ftp_msg("can not open it");
      }
    function pwd()//取得路径
      {
        $this->pwd=ftp_pwd($this->id);
        return $this->pwd;
      }
    function initpwd($pwd)
      {
        $this->pwd=$pwd;
      }
    function mulu()//取得目录
      {
        if(!$this->pwd)
          $this->pwd=ftp_pwd($this->id);
        $this->chinamulu=ftp_rawlist($this->id,$this->pwd);
        return $this->chinamulu;
      }
    function upmulu()//返回上级目录
      {
        $a=ftp_cdup($this->id) or $this->ftp_msg("already be the uppest!!");
      }
    function close()
      {
        ftp_quit($this->id);
      }
    function ftp_msg($err)
      {
        print"<font color=red><h1><center>$err</center></h1></font>";
      }
  }
?>
[/html]

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