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一个实用的在线解压缩php程序

2011-12-05 11:15 295 查看

此功能包含两个文件、压缩成zip格式的myzip.php文件和解压zip格式文件的unzip.php文件。

Myzip.php的源码如下：

<?php

//验证密码

$password = "123";

?>

<html>

<head>

<meta http-equiv="Content-Type" content="text/html" charset="utf-8">

<title>ZIP压缩程序</title>

<style type="text/css">



</style>

</head>

<body>

<form name="myform" method="post" action="myzip.php">

<font color="#FF0000">在线压缩zip程序</font><br>

<div style="color:#FF9900">

      <p>使用方法:选定要压缩的文件或目录（包含子目录），即可开始压缩。</p>

      <p>压缩的结果保留原来的目录结构。</p>

</div>

<?

if(!$_REQUEST["myaction"]):

?>

<table width="100%" border="0" cellspacing="0" cellpadding="0">

<tr>

      <td width="11%">验证密码: </td>

      <td width="89%"><input name="password" type="password" id="password" size="15"></td>

    </tr>

    <tr>

      <td><input name="myaction" type="hidden" id="myaction" value="dolist"></td>

      <td><input type="submit" name="Submit" value=" 进入 "></td>

    </tr>

</table>

<?

elseif($_REQUEST["myaction"]=="dolist"):

if($_REQUEST['password'] != $password) die("输入的密码不正确，请重新输入。");

echo "选择要压缩的文件或目录：<br>";

$fdir = opendir('./');

while($file=readdir($fdir)){

  if($file=='.'|| $file=='..') continue;

  echo "<input name='dfile[]' type='checkbox' value='$file' ".($file==basename(__FILE__)?"":"checked")."> ";

  if(is_file($file)){

   echo "文件: $file<br>";

  }else{

   echo "目录: $file<br>";

  }

}

?>

<br>

压缩文件保存到目录:

<input name="todir" type="text" id="todir" value="_zipfiles_" size="15">

(留空为本目录,必须有写入权限)<br>

压缩文件名称:

<input name="zipname" type="text" id="zipname" value="zip.zip" size="15">

(.zip)<br>

<br>

<input name="password" type="hidden" id="password" value="<?=$_POST['password'];?>">

<input name="myaction" type="hidden" id="myaction" value="dozip">

<input type='button' value='反选' onclick='selrev();'>

<input type="submit" name="Submit" value=" 开始压缩 ">

<script language='javascript'>

function selrev() {

with(document.myform) {

  for(i=0;i<elements.length;i++) {

   thiselm = elements[i];

   if(thiselm.name.match(/dfile\[]/)) thiselm.checked = !thiselm.checked;

  }

}

}

</script>

<?

elseif($_REQUEST["myaction"]=="dozip"):

// set_time_limit(0);

class PHPzip{

var $file_count = 0 ;

var $datastr_len   = 0;

var $dirstr_len = 0;

var $filedata = ''; //该变量只被类外部程序访问

var $gzfilename;

var $fp;

var $dirstr='';

/*

返回文件的修改时间格式.

只为本类内部函数调用.

*/

    function unix2DosTime($unixtime = 0) {

        $timearray = ($unixtime == 0) ? getdate() : getdate($unixtime);

        if ($timearray['year'] < 1980) {

        $timearray['year']    = 1980;

        $timearray['mon']     = 1;

        $timearray['mday']    = 1;

        $timearray['hours']   = 0;

        $timearray['minutes'] = 0;

        $timearray['seconds'] = 0;

        }

        return (($timearray['year'] - 1980) << 25) | ($timearray['mon'] << 21) | ($timearray['mday'] << 16) |

               ($timearray['hours'] << 11) | ($timearray['minutes'] << 5) | ($timearray['seconds'] >> 1);

    }

/*

初始化文件,建立文件目录,

并返回文件的写入权限.

*/

function startfile($path = 'shenbin.zip'){

  $this->gzfilename=$path;

  $mypathdir=array();

  do{

   $mypathdir[] = $path = dirname($path);

  }while($path != '.');

  @end($mypathdir);

  do{

   $path = @current($mypathdir);

   @mkdir($path);

  }while(@prev($mypathdir));

  if($this->fp=@fopen($this->gzfilename,"w")){

   return true;

  }

  return false;

}

/*

添加一个文件到 zip 压缩包中.

*/

    function addfile($data, $name){

        $name     = str_replace('\\', '/', $name);



  if(strrchr($name,'/')=='/') return $this->adddir($name);



        $dtime    = dechex($this->unix2DosTime());

        $hexdtime = '\x' . $dtime[6] . $dtime[7]

                  . '\x' . $dtime[4] . $dtime[5]

                  . '\x' . $dtime[2] . $dtime[3]

                  . '\x' . $dtime[0] . $dtime[1];

        eval('$hexdtime = "' . $hexdtime . '";');

        $unc_len = strlen($data);

        $crc     = crc32($data);

        $zdata   = gzcompress($data);

        $c_len   = strlen($zdata);

        $zdata   = substr(substr($zdata, 0, strlen($zdata) - 4), 2);



  //新添文件内容格式化:

        $datastr = "\x50\x4b\x03\x04";

        $datastr .= "\x14\x00";            // ver needed to extract

        $datastr .= "\x00\x00";            // gen purpose bit flag

        $datastr .= "\x08\x00";            // compression method

        $datastr .= $hexdtime;             // last mod time and date

        $datastr .= pack('V', $crc);             // crc32

        $datastr .= pack('V', $c_len);           // compressed filesize

        $datastr .= pack('V', $unc_len);         // uncompressed filesize

        $datastr .= pack('v', strlen($name));    // length of filename

        $datastr .= pack('v', 0);                // extra field length

        $datastr .= $name;

        $datastr .= $zdata;

        $datastr .= pack('V', $crc);                 // crc32

        $datastr .= pack('V', $c_len);               // compressed filesize

        $datastr .= pack('V', $unc_len);             // uncompressed filesize

  fwrite($this->fp,$datastr); //写入新的文件内容

  $my_datastr_len = strlen($datastr);

  unset($datastr);



  //新添文件目录信息

        $dirstr = "\x50\x4b\x01\x02";

        $dirstr .= "\x00\x00";                // version made by

        $dirstr .= "\x14\x00";                // version needed to extract

        $dirstr .= "\x00\x00";                // gen purpose bit flag

        $dirstr .= "\x08\x00";                // compression method

        $dirstr .= $hexdtime;                 // last mod time & date

        $dirstr .= pack('V', $crc);           // crc32

        $dirstr .= pack('V', $c_len);         // compressed filesize

        $dirstr .= pack('V', $unc_len);       // uncompressed filesize

        $dirstr .= pack('v', strlen($name) ); // length of filename

        $dirstr .= pack('v', 0 );             // extra field length

        $dirstr .= pack('v', 0 );             // file comment length

        $dirstr .= pack('v', 0 );             // disk number start

        $dirstr .= pack('v', 0 );             // internal file attributes

        $dirstr .= pack('V', 32 );            // external file attributes - 'archive' bit set

        $dirstr .= pack('V',$this->datastr_len ); // relative offset of local header

        $dirstr .= $name;



  $this->dirstr .= $dirstr; //目录信息



  $this -> file_count ++;

  $this -> dirstr_len += strlen($dirstr);

  $this -> datastr_len += $my_datastr_len;

    }

function adddir($name){

  $name = str_replace("\\", "/", $name);

  $datastr = "\x50\x4b\x03\x04\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00";



  $datastr .= pack("V",0).pack("V",0).pack("V",0).pack("v", strlen($name) );

  $datastr .= pack("v", 0 ).$name.pack("V", 0).pack("V", 0).pack("V", 0);

  fwrite($this->fp,$datastr); //写入新的文件内容

  $my_datastr_len = strlen($datastr);

  unset($datastr);



  $dirstr = "\x50\x4b\x01\x02\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00";

  $dirstr .= pack("V",0).pack("V",0).pack("V",0).pack("v", strlen($name) );

  $dirstr .= pack("v", 0 ).pack("v", 0 ).pack("v", 0 ).pack("v", 0 );

  $dirstr .= pack("V", 16 ).pack("V",$this->datastr_len).$name;



  $this->dirstr .= $dirstr; //目录信息

  $this -> file_count ++;

  $this -> dirstr_len += strlen($dirstr);

  $this -> datastr_len += $my_datastr_len;

}

function createfile(){

  //压缩包结束信息,包括文件总数,目录信息读取指针位置等信息

  $endstr = "\x50\x4b\x05\x06\x00\x00\x00\x00" .

     pack('v', $this -> file_count) .

     pack('v', $this -> file_count) .

     pack('V', $this -> dirstr_len) .

     pack('V', $this -> datastr_len) .

     "\x00\x00";

  fwrite($this->fp,$this->dirstr.$endstr);

  fclose($this->fp);

}

}

if(!trim($_REQUEST[zipname])) $_REQUEST[zipname] = "shenbin.zip"; else $_REQUEST[zipname] = trim($_REQUEST[zipname]);

if(!strrchr(strtolower($_REQUEST[zipname]),'.')=='.zip') $_REQUEST[zipname] .= ".zip";

$_REQUEST[todir] = str_replace('\\','/',trim($_REQUEST[todir]));

if(!strrchr(strtolower($_REQUEST[todir]),'/')=='/') $_REQUEST[todir] .= "/";

if($_REQUEST[todir]=="/") $_REQUEST[todir] = "./";

function listfiles($dir="."){

  global $faisunZIP;

  $sub_file_num = 0;

  if(is_file("$dir")){

    if(realpath($faisunZIP ->gzfilename)!=realpath("$dir")){

   $faisunZIP -> addfile(implode('',file("$dir")),"$dir");

   return 1;

    }

   return 0;

  }



  $handle=opendir("$dir");

  while ($file = readdir($handle)) {

     if($file=="."||$file=="..")continue;

     if(is_dir("$dir/$file")){

    $sub_file_num += listfiles("$dir/$file");

     }

     else {

         if(realpath($faisunZIP ->gzfilename)!=realpath("$dir/$file")){

        $faisunZIP -> addfile(implode('',file("$dir/$file")),"$dir/$file");

     $sub_file_num ++;

    }

     }

  }

  closedir($handle);

  if(!$sub_file_num) $faisunZIP -> addfile("","$dir/");

  return $sub_file_num;

}

function num_bitunit($num){

   $bitunit=array(' B',' KB',' MB',' GB');

   for($key=0;$key<count($bitunit);$key++){

  if($num>=pow(2,10*$key)-1){ //1023B 会显示为 1KB

    $num_bitunit_str=(ceil($num/pow(2,10*$key)*100)/100)." $bitunit[$key]";

  }

   }

   return $num_bitunit_str;

}

if(is_array($_REQUEST[dfile])){

  $faisunZIP = new PHPzip;

  if($faisunZIP -> startfile("$_REQUEST[todir]$_REQUEST[zipname]")){

   echo "正在添加压缩文件...<br><br>";

   $filenum = 0;

   foreach($_REQUEST[dfile] as $file){

    if(is_file($file)){

     echo "文件: $file<br>";

    }else{

     echo "目录: $file<br>";

    }

    $filenum += listfiles($file);

   }

   $faisunZIP -> createfile();

   echo "<br>压缩完成,共添加 $filenum 个文件.<br><a href='$_REQUEST[todir]$_REQUEST[zipname]'>$_REQUEST[todir]$_REQUEST[zipname] (".num_bitunit(filesize("$_REQUEST[todir]$_REQUEST[zipname]")).")</a>";

  }else{

   echo "$_REQUEST[todir]$_REQUEST[zipname] 不能写入,请检查路径或权限是否正确.<br>";

  }

}else{

  echo "没有选择的文件或目录.<br>";

}

endif;

?>

</form>

</body>

</html>

Unzip.php解压缩zip格式的源码如下：

<?php

//验证密码

$password = "123";

?>

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

<title>在线ZIP解压程序</title>

<style type="text/css">



</style>

</head>

<body>

<form name="myform" method="post" action="<?=$_SERVER[PHP_SELF];?>" enctype="multipart/form-data" onSubmit="return check_uploadObject(this);">

<?

if(!$_REQUEST["myaction"]):

?>

<script language="javascript">

function check_uploadObject(form){

if(form.password.value==''){

  alert('请输入密码.');

  return false;

}

return true;

}

</script>

<table width="100%" border="0" cellspacing="0" cellpadding="4">

    <tr>

      <td height="40" colspan="2" style="color:#FF9900"><p><font color="#FF0000">在线解压ZIP文件程序</font></p>

      <p>使用方法:把zip文件通过FTP上传到本文件相同的目录下,选择zip文件;或直接点击“浏览...”上传zip文件。</p>

      <p>解压的结果保留原来的目录结构。</p>

      <p> </p></td>

    </tr>

    <tr>

      <td width="11%">选择ZIP文件: </td>

      <td width="89%"><select name="zipfile">

        <option value="" selected>- 请选择 -</option>

<?

$fdir = opendir('./');

while($file=readdir($fdir)){

  if(!is_file($file)) continue;

  if(preg_match('/\.zip$/mis',$file)){

   echo "<option value='$file'>$file</option>\r\n";

  }

}

?>

      </select></td>

    </tr>

    <tr>

      <td width="11%" nowrap>或上传文件: </td>

      <td width="89%"><input name="upfile" type="file" id="upfile" size="20"></td>

    </tr>

<tr>

      <td>解压到目录: </td>

      <td><input name="todir" type="text" id="todir" value="__unzipfiles__" size="15">

      (留空为本目录,必须有写入权限)</td>

    </tr>

<tr>

      <td>验证密码: </td>

      <td><input name="password" type="password" id="password" size="15">

        (源文件中设定的密码)</td>

    </tr>

    <tr>

      <td><input name="myaction" type="hidden" id="myaction" value="dounzip"></td>

      <td><input type="submit" name="Submit" value=" 解压 "></td>

    </tr>

</table>

<?

elseif($_REQUEST["myaction"]=="dounzip"):

class zip

{

var $total_files = 0;

var $total_folders = 0;

function Extract ( $zn, $to, $index = Array(-1) )

{

   $ok = 0; $zip = @fopen($zn,'rb');

   if(!$zip) return(-1);

   $cdir = $this->ReadCentralDir($zip,$zn);

   $pos_entry = $cdir['offset'];

   if(!is_array($index)){ $index = array($index); }

   for($i=0; $index[$i];$i++){

     if(intval($index[$i])!=$index[$i]||$index[$i]>$cdir['entries'])

  return(-1);

   }

   for ($i=0; $i<$cdir['entries']; $i++)

   {

     @fseek($zip, $pos_entry);

     $header = $this->ReadCentralFileHeaders($zip);

     $header['index'] = $i; $pos_entry = ftell($zip);

     @rewind($zip); fseek($zip, $header['offset']);

     if(in_array("-1",$index)||in_array($i,$index))

     $stat[$header['filename']]=$this->ExtractFile($header, $to, $zip);

   }

   fclose($zip);

   return $stat;

}

function ReadFileHeader($zip)

{

    $binary_data = fread($zip, 30);

    $data = unpack('vchk/vid/vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $binary_data);

    $header['filename'] = fread($zip, $data['filename_len']);

    if ($data['extra_len'] != 0) {

      $header['extra'] = fread($zip, $data['extra_len']);

    } else { $header['extra'] = ''; }

    $header['compression'] = $data['compression'];$header['size'] = $data['size'];

    $header['compressed_size'] = $data['compressed_size'];

    $header['crc'] = $data['crc']; $header['flag'] = $data['flag'];

    $header['mdate'] = $data['mdate'];$header['mtime'] = $data['mtime'];

    if ($header['mdate'] && $header['mtime']){

     $hour=($header['mtime']&0xF800)>>11;$minute=($header['mtime']&0x07E0)>>5;

     $seconde=($header['mtime']&0x001F)*2;$year=(($header['mdate']&0xFE00)>>9)+1980;

     $month=($header['mdate']&0x01E0)>>5;$day=$header['mdate']&0x001F;

     $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);

    }else{$header['mtime'] = time();}

    $header['stored_filename'] = $header['filename'];

    $header['status'] = "ok";

    return $header;

}

function ReadCentralFileHeaders($zip){

    $binary_data = fread($zip, 46);

    $header = unpack('vchkid/vid/vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset', $binary_data);

    if ($header['filename_len'] != 0)

      $header['filename'] = fread($zip,$header['filename_len']);

    else $header['filename'] = '';

    if ($header['extra_len'] != 0)

      $header['extra'] = fread($zip, $header['extra_len']);

    else $header['extra'] = '';

    if ($header['comment_len'] != 0)

      $header['comment'] = fread($zip, $header['comment_len']);

    else $header['comment'] = '';

    if ($header['mdate'] && $header['mtime'])

    {

      $hour = ($header['mtime'] & 0xF800) >> 11;

      $minute = ($header['mtime'] & 0x07E0) >> 5;

      $seconde = ($header['mtime'] & 0x001F)*2;

      $year = (($header['mdate'] & 0xFE00) >> 9) + 1980;

      $month = ($header['mdate'] & 0x01E0) >> 5;

      $day = $header['mdate'] & 0x001F;

      $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);

    } else {

      $header['mtime'] = time();

    }

    $header['stored_filename'] = $header['filename'];

    $header['status'] = 'ok';

    if (substr($header['filename'], -1) == '/')

      $header['external'] = 0x41FF0010;

    return $header;

}

function ReadCentralDir($zip,$zip_name){

$size = filesize($zip_name);

if ($size < 277) $maximum_size = $size;

else $maximum_size=277;

@fseek($zip, $size-$maximum_size);

$pos = ftell($zip); $bytes = 0x00000000;

while ($pos < $size){

  $byte = @fread($zip, 1); $bytes=($bytes << 8) | ord($byte);

  if ($bytes == 0x504b0506 or $bytes == 0x2e706870504b0506){ $pos++;break;} $pos++;

}

$fdata=fread($zip,18);

$data=@unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size',$fdata);

if ($data['comment_size'] != 0) $centd['comment'] = fread($zip, $data['comment_size']);

else $centd['comment'] = ''; $centd['entries'] = $data['entries'];

$centd['disk_entries'] = $data['disk_entries'];

$centd['offset'] = $data['offset'];$centd['disk_start'] = $data['disk_start'];

$centd['size'] = $data['size']; $centd['disk'] = $data['disk'];

return $centd;

}

function ExtractFile($header,$to,$zip){

$header = $this->readfileheader($zip);

if(substr($to,-1)!="/") $to.="/";

if($to=='./') $to = '';

$pth = explode("/",$to.$header['filename']);

$mydir = '';

for($i=0;$i<count($pth)-1;$i++){

  if(!$pth[$i]) continue;

  $mydir .= $pth[$i]."/";

  if((!is_dir($mydir) && @mkdir($mydir,0777)) || (($mydir==$to.$header['filename'] || ($mydir==$to && $this->total_folders==0)) && is_dir($mydir)) ){

   @chmod($mydir,0777);

   $this->total_folders ++;

   echo "<input name='dfile[]' type='checkbox' value='$mydir' checked> <a href='$mydir' target='_blank'>目录: $mydir</a><br>";

  }

}

if(strrchr($header['filename'],'/')=='/') return;

if (!($header['external']==0x41FF0010)&&!($header['external']==16)){

  if ($header['compression']==0){

   $fp = @fopen($to.$header['filename'], 'wb');

   if(!$fp) return(-1);

   $size = $header['compressed_size'];



   while ($size != 0){

    $read_size = ($size < 2048 ? $size : 2048);

    $buffer = fread($zip, $read_size);

    $binary_data = pack('a'.$read_size, $buffer);

    @fwrite($fp, $binary_data, $read_size);

    $size -= $read_size;

   }

   fclose($fp);

   touch($to.$header['filename'], $header['mtime']);

  }else{

   $fp = @fopen($to.$header['filename'].'.gz','wb');

   if(!$fp) return(-1);

   $binary_data = pack('va1a1Va1a1', 0x8b1f, Chr($header['compression']),

   Chr(0x00), time(), Chr(0x00), Chr(3));



   fwrite($fp, $binary_data, 10);

   $size = $header['compressed_size'];



   while ($size != 0){

    $read_size = ($size < 1024 ? $size : 1024);

    $buffer = fread($zip, $read_size);

    $binary_data = pack('a'.$read_size, $buffer);

    @fwrite($fp, $binary_data, $read_size);

    $size -= $read_size;

   }



   $binary_data = pack('VV', $header['crc'], $header['size']);

   fwrite($fp, $binary_data,8); fclose($fp);

   $gzp = @gzopen($to.$header['filename'].'.gz','rb') or die("Cette archive est compress閑");

   if(!$gzp) return(-2);

   $fp = @fopen($to.$header['filename'],'wb');

   if(!$fp) return(-1);

   $size = $header['size'];



   while ($size != 0){

    $read_size = ($size < 2048 ? $size : 2048);

    $buffer = gzread($gzp, $read_size);

    $binary_data = pack('a'.$read_size, $buffer);

    @fwrite($fp, $binary_data, $read_size);

    $size -= $read_size;

   }

   fclose($fp); gzclose($gzp);



   touch($to.$header['filename'], $header['mtime']);

   @unlink($to.$header['filename'].'.gz');



  }

}

$this->total_files ++;

echo "<input name='dfile[]' type='checkbox' value='$to$header[filename]' checked> <a href='$to$header[filename]' target='_blank'>文件: $to$header[filename]</a><br>";

return true;

}

// end class

}

set_time_limit(0);

if ($_POST['password'] != $password) die("输入的密码不正确，请重新输入。");

if(!$_POST["todir"]) $_POST["todir"] = ".";

$z = new Zip;

$have_zip_file = 0;

function start_unzip($tmp_name,$new_name,$checked){

  global $_POST,$z,$have_zip_file;

  $upfile = array("tmp_name"=>$tmp_name,"name"=>$new_name);

  if(is_file($upfile[tmp_name])){

   $have_zip_file = 1;

   echo "<br>正在解压: <input name='dfile[]' type='checkbox' value='$upfile[name]' ".($checked?"checked":"")."> $upfile[name]<br><br>";

   if(preg_match('/\.zip$/mis',$upfile[name])){

    $result=$z->Extract($upfile[tmp_name],$_POST["todir"]);

    if($result==-1){

     echo "<br>文件 $upfile[name] 错误.<br>";

    }

    echo "<br>完成,共建立 $z->total_folders 个目录,$z->total_files 个文件.<br><br><br>";

   }else{

    echo "<br>$upfile[name] 不是 zip 文件.<br><br>";

   }

   if(realpath($upfile[name])!=realpath($upfile[tmp_name])){

    @unlink($upfile[name]);

    rename($upfile[tmp_name],$upfile[name]);

   }

  }

}

clearstatcache();

start_unzip($_POST["zipfile"],$_POST["zipfile"],0);

start_unzip($_FILES["upfile"][tmp_name],$_FILES["upfile"][name],1);

if(!$have_zip_file){

  echo "<br>请选择或上传文件.<br>";

}

?>

<input name="password" type="hidden" id="password" value="<?=$_POST['password'];?>">

<input name="myaction" type="hidden" id="myaction" value="dodelete">

<input name="按钮" type="button" value="返回" onClick="window.location='<?=$_SERVER[PHP_SELF];?>';">

<input type='button' value='反选' onclick='selrev();'> <input type='submit' onclick='return confirm("删除选定文件?");' value='删除选定'>

<script language='javascript'>

function selrev() {

with(document.myform) {

  for(i=0;i<elements.length;i++) {

   thiselm = elements[i];

   if(thiselm.name.match(/dfile\[]/)) thiselm.checked = !thiselm.checked;

  }

}

}

alert('完成.');

</script>

<?

elseif($_REQUEST["myaction"]=="dodelete"):

set_time_limit(0);

if ($_POST['password'] != $password) die("输入的密码不正确，请重新输入。");

$dfile = $_POST["dfile"];

echo "正在删除文件...<br><br>";

if(is_array($dfile)){

  for($i=count($dfile)-1;$i>=0;$i--){

   if(is_file($dfile[$i])){

    if(@unlink($dfile[$i])){

     echo "已删除文件: $dfile[$i]<br>";

    }else{

     echo "删除文件失败: $dfile[$i]<br>";

    }

   }else{

    if(@rmdir($dfile[$i])){

     echo "已删除目录: $dfile[$i]<br>";

    }else{

     echo "删除目录失败: $dfile[$i]<br>";

    }

   }



  }

}

echo "<br>完成.<br><br><input type='button' value='返回' onclick=\"window.location='$_SERVER[PHP_SELF]';\"><br><br>

   <script language='javascript'>('完成.');</script>";

endif;

?>

</form>

</body>

</html>

使用方法：将以上代码分别保存为myzip.php 和unzip.php文件传到根目录或者需要打包的目录。通过http://域名/myzip.php 和http://域名/unzip.php 访问这两个文件，首先会提示您输入密码，密码为源码中的此处：$password = "123"，既密码为123 ，可以根据自己的需求修改此密码。

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标签： php header file compression function input

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