一个FTP树状目录（PHP） 

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>
                             ';
                    &n