我从网上找的文件php在线解压zip压缩文件

文件为jy.php可以直接执行，但是怎样将其加到CI框架中呢？？

jy.php文件

  1.  <?php
  2.  header("content-Type: text/html; charset=utf-8");
  3.  //验证密码
  4.  $password = "123456";
  5.  ?>
  6.  <html>
  7.  <head>
  8.  <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  9.  <title>在线解压ZIP文件程序 V1.0</title>
  10.  <style type="text/css">
  11.  <!--
  12.  body,td{
  13.      font-size: 14px;
  14.      color: #000000;
  15.  }
  16.  a {
  17.      color: #000066;
  18.      text-decoration: none;
  19.  }
  20.  a:hover {
  21.      color: #FF6600;
  22.      text-decoration: underline;
  23.  }
  24.  -->
  25.  </style>
  26.  </head>
  27.  
  28.  <body>
  29.    <form name="myform" method="post" action="<?=$_SERVER[PHP_SELF];?>" enctype="multipart/form-data" onSubmit="return check_uploadObject(this);">
  30.  <?
  31.      if(!$_REQUEST["myaction"]):
  32.  ?>
  33.  
  34.  <script language="javascript">
  35.  function check_uploadObject(form){
  36.      if(form.password.value==''){
  37.          alert('请输入密码.');
  38.          return false;
  39.      }
  40.      return true;
  41.  }
  42.  </script>
  43.  
  44.  <table width="100%" border="0" cellspacing="0" cellpadding="4">
  45.      <tr>
  46.        <td height="40" colspan="2" style="color:#FF9900"><p><font color="#FF0000">在线解压ZIP文件程序 V1.0</font></p>
  47.        <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>
  48.  <p>&nbsp;</p>
  49.   </td>
  50.      </tr>
  51.      <tr>
  52.        <td width="11%">选择ZIP文件: </td>
  53.        <td width="89%"><select name="zipfile">
  54.          <option value="" selected>- 请选择 -</option>
  55.  <?
  56.        $fdir = opendir('./');
  57.      while($file=readdir($fdir)){
  58.          if(!is_file($file)) continue;
  59.          if(preg_match('/\.zip$/mis',$file)){
  60.              echo "<option value='$file'>$file</option>\r\n";
  61.          }
  62.      }
  63.  ?>
  64.        </select></td>
  65.      </tr>
  66.      <tr>
  67.        <td width="11%" nowrap>或上传文件: </td>
  68.        <td width="89%"><input name="upfile" type="file" id="upfile" size="20"></td>
  69.      </tr>
  70.      <tr>
  71.        <td>解压到目录: </td>
  72.        <td><input name="todir" type="text" id="todir" value="" size="15">
  73.        (留空为本目录,必须有写入权限)</td>
  74.      </tr>
  75.      <tr>
  76.        <td>验证密码: </td>
  77.        <td><input name="password" type="password" id="password" size="15">
  78.          (源文件中设定的密码)</td>
  79.      </tr>
  80.      <tr>
  81.        <td><input name="myaction" type="hidden" id="myaction" value="dounzip"></td>
  82.        <td><input type="submit" name="Submit" value=" 解 压 "></td>
  83.      </tr>
  84.    </table>
  85.  
  86.  <?
  87.  
  88.  elseif($_REQUEST["myaction"]=="dounzip"):
  89.  
  90.  class zip
  91.  {
  92.  
  93.   var $total_files = 0;
  94.   var $total_folders = 0; 
  95.  
  96.   function Extract ( $zn, $to, $index = Array(-1) )
  97.   {
  98.     $ok = 0; $zip = @fopen($zn,'rb');
  99.     if(!$zip) return(-1);
  100.     $cdir = $this->ReadCentralDir($zip,$zn);
  101.     $pos_entry = $cdir['offset'];
  102.  
  103.     if(!is_array($index)){ $index = array($index);  }
  104.     for($i=0; $index[$i];$i++){
  105.             if(intval($index[$i])!=$index[$i]||$index[$i]>$cdir['entries'])
  106.          return(-1);
  107.     }
  108.     for ($i=0; $i<$cdir['entries']; $i++)
  109.     {
  110.       @fseek($zip, $pos_entry);
  111.       $header = $this->ReadCentralFileHeaders($zip);
  112.       $header['index'] = $i; $pos_entry = ftell($zip);
  113.       @rewind($zip); fseek($zip, $header['offset']);
  114.       if(in_array("-1",$index)||in_array($i,$index))
  115.           $stat[$header['filename']]=$this->ExtractFile($header, $to, $zip);
  116.     }
  117.     fclose($zip);
  118.     return $stat;
  119.   }
  120.  
  121.    function ReadFileHeader($zip)
  122.    {
  123.      $binary_data = fread($zip, 30);
  124.      $data = unpack('vchk/vid/vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $binary_data);
  125.  
  126.      $header['filename'] = fread($zip, $data['filename_len']);
  127.      if ($data['extra_len'] != 0) {
  128.        $header['extra'] = fread($zip, $data['extra_len']);
  129.      } else { $header['extra'] = ''; }
  130.  
  131.      $header['compression'] = $data['compression'];$header['size'] = $data['size'];
  132.      $header['compressed_size'] = $data['compressed_size'];
  133.      $header['crc'] = $data['crc']; $header['flag'] = $data['flag'];
  134.      $header['mdate'] = $data['mdate'];$header['mtime'] = $data['mtime'];
  135.  
  136.      if ($header['mdate'] && $header['mtime']){
  137.       $hour=($header['mtime']&0xF800)>>11;$minute=($header['mtime']&0x07E0)>>5;
  138.       $seconde=($header['mtime']&0x001F)*2;$year=(($header['mdate']&0xFE00)>>9)+1980;
  139.       $month=($header['mdate']&0x01E0)>>5;$day=$header['mdate']&0x001F;
  140.       $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
  141.      }else{$header['mtime'] = time();}
  142.  
  143.      $header['stored_filename'] = $header['filename'];
  144.      $header['status'] = "ok";
  145.      return $header;
  146.    }
  147.  
  148.   function ReadCentralFileHeaders($zip){
  149.      $binary_data = fread($zip, 46);
  150.      $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', $binary_data);
  151.  
  152.      if ($header['filename_len'] != 0)
  153.        $header['filename'] = fread($zip,$header['filename_len']);
  154.      else $header['filename'] = '';
  155.  
  156.      if ($header['extra_len'] != 0)
  157.        $header['extra'] = fread($zip, $header['extra_len']);
  158.      else $header['extra'] = '';
  159.  
  160.      if ($header['comment_len'] != 0)
  161.        $header['comment'] = fread($zip, $header['comment_len']);
  162.      else $header['comment'] = '';
  163.  
  164.      if ($header['mdate'] && $header['mtime'])
  165.      {
  166.        $hour = ($header['mtime'] & 0xF800) >> 11;
  167.        $minute = ($header['mtime'] & 0x07E0) >> 5;
  168.        $seconde = ($header['mtime'] & 0x001F)*2;
  169.        $year = (($header['mdate'] & 0xFE00) >> 9) + 1980;
  170.        $month = ($header['mdate'] & 0x01E0) >> 5;
  171.        $day = $header['mdate'] & 0x001F;
  172.        $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
  173.      } else {
  174.        $header['mtime'] = time();
  175.      }
  176.      $header['stored_filename'] = $header['filename'];
  177.      $header['status'] = 'ok';
  178.      if (substr($header['filename'], -1) == '/')
  179.        $header['external'] = 0x41FF0010;
  180.      return $header;
  181.   }
  182.  
  183.   function ReadCentralDir($zip,$zip_name){
  184.      $size = filesize($zip_name);
  185.  
  186.      if ($size < 277) $maximum_size = $size;
  187.      else $maximum_size=277;
  188.  
  189.      @fseek($zip, $size-$maximum_size);
  190.      $pos = ftell($zip); $bytes = 0x00000000;
  191.  
  192.      while ($pos < $size){
  193.          $byte = @fread($zip, 1); $bytes=($bytes << 8) | ord($byte);
  194.          if ($bytes == 0x504b0506 or $bytes == 0x2e706870504b0506){ $pos++;break;} $pos++;
  195.      }
  196.  
  197.      $fdata=fread($zip,18);
  198.  
  199.      $data=@unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size',$fdata);
  200.  
  201.      if ($data['comment_size'] != 0) $centd['comment'] = fread($zip, $data['comment_size']);
  202.      else $centd['comment'] = ''; $centd['entries'] = $data['entries'];
  203.      $centd['disk_entries'] = $data['disk_entries'];
  204.      $centd['offset'] = $data['offset'];$centd['disk_start'] = $data['disk_start'];
  205.      $centd['size'] = $data['size'];  $centd['disk'] = $data['disk'];
  206.      return $centd;
  207.    }
  208.  
  209.   function ExtractFile($header,$to,$zip){
  210.      $header = $this->readfileheader($zip);
  211.  
  212.      if(substr($to,-1)!="/") $to.="/";
  213.      if($to=='./') $to = '';
  214.      $pth = explode("/",$to.$header['filename']);
  215.      $mydir = '';
  216.      for($i=0;$i<count($pth)-1;$i++){
  217.          if(!$pth[$i]) continue;
  218.          $mydir .= $pth[$i]."/";
  219.          if((!is_dir($mydir) && @mkdir($mydir,0777)) || (($mydir==$to.$header['filename'] || ($mydir==$to && $this->total_folders==0)) && is_dir($mydir)) ){
  220.              @chmod($mydir,0777);
  221.              $this->total_folders ++;
  222.              echo "<input name='dfile[]' type='checkbox' value='$mydir' checked> <a href='$mydir' target='_blank'>目录: $mydir</a><br>";
  223.          }
  224.      }
  225.  
  226.      if(strrchr($header['filename'],'/')=='/') return;    
  227.  
  228.      if (!($header['external']==0x41FF0010)&&!($header['external']==16)){
  229.          if ($header['compression']==0){
  230.              $fp = @fopen($to.$header['filename'], 'wb');
  231.              if(!$fp) return(-1);
  232.              $size = $header['compressed_size'];
  233.  
  234.              while ($size != 0){
  235.                  $read_size = ($size < 2048 ? $size : 2048);
  236.                  $buffer = fread($zip, $read_size);
  237.                  $binary_data = pack('a'.$read_size, $buffer);
  238.                  @fwrite($fp, $binary_data, $read_size);
  239.                  $size -= $read_size;
  240.              }
  241.              fclose($fp);
  242.              touch($to.$header['filename'], $header['mtime']);
  243.          }else{
  244.              $fp = @fopen($to.$header['filename'].'.gz','wb');
  245.              if(!$fp) return(-1);
  246.              $binary_data = pack('va1a1Va1a1', 0x8b1f, Chr($header['compression']),
  247.              Chr(0x00), time(), Chr(0x00), Chr(3));
  248.  
  249.              fwrite($fp, $binary_data, 10);
  250.              $size = $header['compressed_size'];
  251.  
  252.              while ($size != 0){
  253.                  $read_size = ($size < 1024 ? $size : 1024);
  254.                  $buffer = fread($zip, $read_size);
  255.                  $binary_data = pack('a'.$read_size, $buffer);
  256.                  @fwrite($fp, $binary_data, $read_size);
  257.                  $size -= $read_size;
  258.              }
  259.  
  260.              $binary_data = pack('VV', $header['crc'], $header['size']);
  261.              fwrite($fp, $binary_data,8); fclose($fp);
  262.  
  263.              $gzp = @gzopen($to.$header['filename'].'.gz','rb') or die("Cette archive est compress閑");
  264.              if(!$gzp) return(-2);
  265.              $fp = @fopen($to.$header['filename'],'wb');
  266.              if(!$fp) return(-1);
  267.              $size = $header['size'];
  268.  
  269.              while ($size != 0){
  270.                  $read_size = ($size < 2048 ? $size : 2048);
  271.                  $buffer = gzread($gzp, $read_size);
  272.                  $binary_data = pack('a'.$read_size, $buffer);
  273.                  @fwrite($fp, $binary_data, $read_size);
  274.                  $size -= $read_size;
  275.              }
  276.              fclose($fp); gzclose($gzp);
  277.  
  278.              touch($to.$header['filename'], $header['mtime']);
  279.              @unlink($to.$header['filename'].'.gz');
  280.  
  281.          }
  282.      }
  283.  
  284.      $this->total_files ++;
  285.      echo "<input name='dfile[]' type='checkbox' value='$to$header[filename]' checked> <a href='$to$header[filename]' target='_blank'>文件: $to$header[filename]</a><br>";
  286.  
  287.      return true;
  288.   }
  289.  
  290.  // end class
  291.  }
  292.  
  293.      set_time_limit(0);
  294.  
  295.      if ($_POST['password'] != $password) die("输入的密码不正确，请重新输入。");
  296.      if(!$_POST["todir"]) $_POST["todir"] = ".";
  297.      $z = new Zip;
  298.      $have_zip_file = 0;
  299.      function start_unzip($tmp_name,$new_name,$checked){
  300.          global $_POST,$z,$have_zip_file;
  301.          $upfile = array("tmp_name"=>$tmp_name,"name"=>$new_name);
  302.          if(is_file($upfile[tmp_name])){
  303.              $have_zip_file = 1;
  304.              echo "<br>正在解压: <input name='dfile[]' type='checkbox' value='$upfile[name]' ".($checked?"checked":"")."> $upfile[name]<br><br>";
  305.              if(preg_match('/\.zip$/mis',$upfile[name])){
  306.                  $result=$z->Extract($upfile[tmp_name],$_POST["todir"]);
  307.                  if($result==-1){
  308.                      echo "<br>文件 $upfile[name] 错误.<br>";
  309.                  }
  310.                  echo "<br>完成,共建立 $z->total_folders 个目录,$z->total_files 个文件.<br><br><br>";
  311.              }else{
  312.                  echo "<br>$upfile[name] 不是 zip 文件.<br><br>";
  313.              }
  314.              if(realpath($upfile[name])!=realpath($upfile[tmp_name])){
  315.                  @unlink($upfile[name]);
  316.                  rename($upfile[tmp_name],$upfile[name]);
  317.              }
  318.          }
  319.      }
  320.      clearstatcache();
  321.  
  322.      start_unzip($_POST["zipfile"],$_POST["zipfile"],0);
  323.      start_unzip($_FILES["upfile"][tmp_name],$_FILES["upfile"][name],1);
  324.  
  325.      if(!$have_zip_file){
  326.          echo "<br>请选择或上传文件.<br>";
  327.      }
  328.  ?>
  329.  <input name="password" type="hidden" id="password" value="<?=$_POST['password'];?>">
  330.  <input name="myaction" type="hidden" id="myaction" value="dodelete">
  331.  <input name="按钮" type="button" value="返回" onClick="window.location='<?=$_SERVER[PHP_SELF];?>';">
  332.  
  333.  <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'>
  334.  
  335.  <script language='javascript'>
  336.  function selrev() {
  337.      with(document.myform) {
  338.          for(i=0;i<elements.length;i++) {
  339.              thiselm = elements[i];
  340.              if(thiselm.name.match(/dfile\[]/))    thiselm.checked = !thiselm.checked;
  341.          }
  342.      }
  343.  }
  344.  alert('完成.');
  345.  </script>
  346.  <?
  347.  
  348.  elseif($_REQUEST["myaction"]=="dodelete"):
  349.      set_time_limit(0);
  350.      if ($_POST['password'] != $password) die("输入的密码不正确，请重新输入。");
  351.  
  352.      $dfile = $_POST["dfile"];
  353.      echo "正在删除文件...<br><br>";
  354.      if(is_array($dfile)){
  355.          for($i=count($dfile)-1;$i>=0;$i--){
  356.              if(is_file($dfile[$i])){
  357.                  if(@unlink($dfile[$i])){
  358.                      echo "已删除文件: $dfile[$i]<br>";
  359.                  }else{
  360.                      echo "删除文件失败: $dfile[$i]<br>";
  361.                  }
  362.              }else{
  363.                  if(@rmdir($dfile[$i])){
  364.                      echo "已删除目录: $dfile[$i]<br>";
  365.                  }else{
  366.                      echo "删除目录失败: $dfile[$i]<br>";
  367.                  }
  368.              }
  369.  
  370.          }
  371.      }
  372.      echo "<br>完成.<br><br><input type='button' value='返回' onclick=\"window.location='$_SERVER[PHP_SELF]';\"><br><br>
  373.           <script language='javascript'>('完成.');</script>";
  374.  
  375.  endif;
  376.  
  377.  ?>
  378.    </form>
  379.  </html>

CI框架中我们先建立显示页面

views/informaction_zip.php

  1.  <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
  2.         "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  3.  
  4.  <html xmlns="http://www.w3.org/1999/xhtml" lang="en_US" xml:lang="en_US">
  5.  <!--
  6.   * Created on 2013-8-5
  7.   *
  8.   * To change the template for this generated file go to
  9.   * Window - Preferences - PHPeclipse - PHP - Code Templates
  10.  -->
  11.   <head>
  12.   <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  13.    <title> </title>
  14.  <style type="text/css">
  15.  <!--
  16.  body,td{
  17.      font-size: 14px;
  18.      color: #000000;
  19.  }
  20.  a {
  21.      color: #000066;
  22.      text-decoration: none;
  23.  }
  24.  a:hover {
  25.      color: #FF6600;
  26.      text-decoration: underline;
  27.  }
  28.  -->
  29.  </style>
  30.  </head>
  31.  
  32.  <body>
  33.    <form name="myform" method="post" action="<?= base_url() ?>index.php/admin/zip/zipUtil" enctype="multipart/form-data" onSubmit="return check_uploadObject(this);">
  34.  </script>
  35.  
  36.  <table width="100%" border="0" cellspacing="0" cellpadding="4">
  37.      <tr>
  38.        <p>使用方法:直接点击“浏览...”上传zip文件,这里的文件只能是zip文件,zip文件和子文件以英文命名。</p>
  39.  <p>&nbsp;</p>
  40.   </td>
  41.      </tr>
  42.      <tr>
  43.        <td width="11%" nowrap>上传文件: </td>
  44.        <td width="89%"><input name="upfile" type="file" id="upfile" size="20"></td>
  45.      </tr>
  46.      <tr>
  47.  
  48.        <td><input name="todir" type="text" id="todir" style="display:none" value="pdf+images" size="15"></td>
  49.      </tr>
  50.  
  51.      <tr>
  52.        <td><input name="myaction" type="hidden" id="myaction" value="dounzip"></td>
  53.        <td><input type="submit" name="Submit" value=" 解 压 "></td>
  54.      </tr>
  55.    </table>
  56.  </form>
  57.  
  58.   </body>
  59.  </html>

controllers/zip.php

  1.  <?php
  2.  
  3.  /*
  4.   * Created on 2013-7-7
  5.   *
  6.   * To change the template for this generated file go to
  7.   * Window - Preferences - PHPeclipse - PHP - Code Templates
  8.   */
  9.  class Zip extends CI_Controller {
  10.      //构造函数
  11.      function __construct() {
  12.          parent :: __construct();
  13.          $this->load->helper('url');
  14.          $this->load->model("m_zip");
  15.          error_reporting(1);
  16.      }
  17.  
  18.      //显示zip文件录入信息界面
  19.      public function index() {
  20.          $this->load->view('admin/subject/information_zip');
  21.      }
  22.      //处理zip信息界面
  23.      public function zipUtil() {
  24.          if (!$_POST["todir"])
  25.              $_POST["todir"] = ".";
  26.          clearstatcache();
  27.  //        echo $_FILES["upfile"]["tmp_name"];
  28.          $this->start_unzip($_FILES["upfile"]["tmp_name"], $_FILES["upfile"]["name"], 1);
  29.      }
  30.      function start_unzip($tmp_name, $new_name, $checked) {
  31.          $have_zip_file = 0;
  32.          $upfile = array (
  33.              "tmp_name" => $tmp_name,
  34.              "name" => $new_name
  35.          );
  36.          if (is_file($upfile["tmp_name"])) {
  37.              $have_zip_file = 1;
  38.              $z = $this->m_zip;
  39.              echo "<br>正在解压: <input name='dfile[]' type='checkbox' value='$upfile[name]' " . ($checked ? "checked" : "") . "> $upfile[name]<br><br>";
  40.              if (preg_match('/\.zip$/mis', $upfile["name"])) {
  41.                  $result = $z->Extract($upfile["tmp_name"], $_POST["todir"]);
  42.                  if ($result == -1) {
  43.                      echo "<br>文件 $upfile[name] 错误.<br>";
  44.                  }
  45.                  echo "<br>完成,$z->total_files 个文件.<br><br><br>";
  46.  
  47.              } else {
  48.                  echo "<br>$upfile[name] 不是 zip 文件.<br><br>";
  49.              }
  50.              if (realpath($upfile["name"]) != realpath($upfile["tmp_name"])) {
  51.                  @ unlink($upfile["name"]);
  52.                  rename($upfile["tmp_name"], $upfile["name"]);
  53.                  unlink($upfile["name"]);
  54.              }
  55.          }
  56.  
  57.      }
  58.  }
  59.  ?>

models/m_zip.php

  1.  <?php
  2.  class m_zip extends CI_Model {
  3.      var $total_files = 0;
  4.      var $total_folders = 0;
  5.  
  6.      function Extract($zn, $to, $index = Array (
  7.          -1
  8.      )) {
  9.          $ok = 0;
  10.          $zip = @ fopen($zn, 'rb');
  11.          if (!$zip)
  12.              return (-1);
  13.          $cdir = $this->ReadCentralDir($zip, $zn);
  14.          $pos_entry = $cdir['offset'];
  15.  
  16.          if (!is_array($index)) {
  17.              $index = array (
  18.                  $index
  19.              );
  20.          }
  21.          for ($i = 0; $index[$i]; $i++) {
  22.              if (intval($index[$i]) != $index[$i] || $index[$i] > $cdir['entries'])
  23.                  return (-1);
  24.          }
  25.          for ($i = 0; $i < $cdir['entries']; $i++) {
  26.              @ fseek($zip, $pos_entry);
  27.              $header = $this->ReadCentralFileHeaders($zip);
  28.              $header['index'] = $i;
  29.              $pos_entry = ftell($zip);
  30.              @ rewind($zip);
  31.              fseek($zip, $header['offset']);
  32.              if (in_array("-1", $index) || in_array($i, $index))
  33.                  $stat[$header['filename']] = $this->ExtractFile($header, $to, $zip);
  34.          }
  35.          fclose($zip);
  36.          return $stat;
  37.      }
  38.  
  39.      function ReadFileHeader($zip) {
  40.          $binary_data = fread($zip, 30);
  41.          $data = unpack('vchk/vid/vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $binary_data);
  42.  
  43.          $header['filename'] = fread($zip, $data['filename_len']);
  44.          if ($data['extra_len'] != 0) {
  45.              $header['extra'] = fread($zip, $data['extra_len']);
  46.          } else {
  47.              $header['extra'] = '';
  48.          }
  49.  
  50.          $header['compression'] = $data['compression'];
  51.          $header['size'] = $data['size'];
  52.          $header['compressed_size'] = $data['compressed_size'];
  53.          $header['crc'] = $data['crc'];
  54.          $header['flag'] = $data['flag'];
  55.          $header['mdate'] = $data['mdate'];
  56.          $header['mtime'] = $data['mtime'];
  57.  
  58.          if ($header['mdate'] && $header['mtime']) {
  59.              $hour = ($header['mtime'] & 0xF800) >> 11;
  60.              $minute = ($header['mtime'] & 0x07E0) >> 5;
  61.              $seconde = ($header['mtime'] & 0x001F) * 2;
  62.              $year = (($header['mdate'] & 0xFE00) >> 9) + 1980;
  63.              $month = ($header['mdate'] & 0x01E0) >> 5;
  64.              $day = $header['mdate'] & 0x001F;
  65.              $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
  66.          } else {
  67.              $header['mtime'] = time();
  68.          }
  69.  
  70.          $header['stored_filename'] = $header['filename'];
  71.          $header['status'] = "ok";
  72.          return $header;
  73.      }
  74.  
  75.      function ReadCentralFileHeaders($zip) {
  76.          $binary_data = fread($zip, 46);
  77.          $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', $binary_data);
  78.  
  79.          if ($header['filename_len'] != 0)
  80.              $header['filename'] = fread($zip, $header['filename_len']);
  81.          else
  82.              $header['filename'] = '';
  83.  
  84.          if ($header['extra_len'] != 0)
  85.              $header['extra'] = fread($zip, $header['extra_len']);
  86.          else
  87.              $header['extra'] = '';
  88.  
  89.          if ($header['comment_len'] != 0)
  90.              $header['comment'] = fread($zip, $header['comment_len']);
  91.          else
  92.              $header['comment'] = '';
  93.  
  94.          if ($header['mdate'] && $header['mtime']) {
  95.              $hour = ($header['mtime'] & 0xF800) >> 11;
  96.              $minute = ($header['mtime'] & 0x07E0) >> 5;
  97.              $seconde = ($header['mtime'] & 0x001F) * 2;
  98.              $year = (($header['mdate'] & 0xFE00) >> 9) + 1980;
  99.              $month = ($header['mdate'] & 0x01E0) >> 5;
  100.              $day = $header['mdate'] & 0x001F;
  101.              $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
  102.          } else {
  103.              $header['mtime'] = time();
  104.          }
  105.          $header['stored_filename'] = $header['filename'];
  106.          $header['status'] = 'ok';
  107.          if (substr($header['filename'], -1) == '/')
  108.              $header['external'] = 0x41FF0010;
  109.          return $header;
  110.      }
  111.  
  112.      function ReadCentralDir($zip, $zip_name) {
  113.          $size = filesize($zip_name);
  114.  
  115.          if ($size < 277)
  116.              $maximum_size = $size;
  117.          else
  118.              $maximum_size = 277;
  119.  
  120.          @ fseek($zip, $size - $maximum_size);
  121.          $pos = ftell($zip);
  122.          $bytes = 0x00000000;
  123.  
  124.          while ($pos < $size) {
  125.              $byte = @ fread($zip, 1);
  126.              $bytes = ($bytes << 8) | ord($byte);
  127.              if ($bytes == 0x504b0506 or $bytes == 0x2e706870504b0506) {
  128.                  $pos++;
  129.                  break;
  130.              }
  131.              $pos++;
  132.          }
  133.  
  134.          $fdata = fread($zip, 18);
  135.  
  136.          $data = @ unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size', $fdata);
  137.  
  138.          if ($data['comment_size'] != 0)
  139.              $centd['comment'] = fread($zip, $data['comment_size']);
  140.          else
  141.              $centd['comment'] = '';
  142.          $centd['entries'] = $data['entries'];
  143.          $centd['disk_entries'] = $data['disk_entries'];
  144.          $centd['offset'] = $data['offset'];
  145.          $centd['disk_start'] = $data['disk_start'];
  146.          $centd['size'] = $data['size'];
  147.          $centd['disk'] = $data['disk'];
  148.          return $centd;
  149.      }
  150.  
  151.      function ExtractFile($header, $to, $zip) {
  152.          $header = $this->readfileheader($zip);
  153.  
  154.          if (substr($to, -1) != "/")
  155.              $to .= "/";
  156.          if ($to == './')
  157.              $to = '';
  158.          $pth = explode("/", $to . $header['filename']);
  159.          $mydir = '';
  160.          for ($i = 0; $i < count($pth) - 1; $i++) {
  161.              if (!$pth[$i])
  162.                  continue;
  163.              $mydir .= $pth[$i] . "/";
  164.              if ((!is_dir($mydir) && @ mkdir($mydir, 0777)) || (($mydir == $to . $header['filename'] || ($mydir == $to && $this->total_folders == 0)) && is_dir($mydir))) {
  165.                  @ chmod($mydir, 0777);
  166.                  $this->total_folders++;
  167.                  echo "<input name='dfile[]' type='checkbox' value='$mydir' checked> <a href='$mydir' target='_blank'>目录: $mydir</a><br>";
  168.              }
  169.          }
  170.  
  171.          if (strrchr($header['filename'], '/') == '/')
  172.              return;
  173.  
  174.          if (!($header['external'] == 0x41FF0010) && !($header['external'] == 16)) {
  175.              if ($header['compression'] == 0) {
  176.                  $fp = @ fopen($to . $header['filename'], 'wb');
  177.                  if (!$fp)
  178.                      return (-1);
  179.                  $size = $header['compressed_size'];
  180.  
  181.                  while ($size != 0) {
  182.                      $read_size = ($size < 2048 ? $size : 2048);
  183.                      $buffer = fread($zip, $read_size);
  184.                      $binary_data = pack('a' . $read_size, $buffer);
  185.                      @ fwrite($fp, $binary_data, $read_size);
  186.                      $size -= $read_size;
  187.                  }
  188.                  fclose($fp);
  189.                  touch($to . $header['filename'], $header['mtime']);
  190.              } else {
  191.                  $fp = @ fopen($to . $header['filename'] . '.gz', 'wb');
  192.                  if (!$fp)
  193.                      return (-1);
  194.                  $binary_data = pack('va1a1Va1a1', 0x8b1f, Chr($header['compression']), Chr(0x00), time(), Chr(0x00), Chr(3));
  195.  
  196.                  fwrite($fp, $binary_data, 10);
  197.                  $size = $header['compressed_size'];
  198.  
  199.                  while ($size != 0) {
  200.                      $read_size = ($size < 1024 ? $size : 1024);
  201.                      $buffer = fread($zip, $read_size);
  202.                      $binary_data = pack('a' . $read_size, $buffer);
  203.                      @ fwrite($fp, $binary_data, $read_size);
  204.                      $size -= $read_size;
  205.                  }
  206.  
  207.                  $binary_data = pack('VV', $header['crc'], $header['size']);
  208.                  fwrite($fp, $binary_data, 8);
  209.                  fclose($fp);
  210.  
  211.                  $gzp = @ gzopen($to . $header['filename'] . '.gz', 'rb') or die("Cette archive est compress閑");
  212.                  if (!$gzp)
  213.                      return (-2);
  214.                  $fp = @ fopen($to . $header['filename'], 'wb');
  215.                  if (!$fp)
  216.                      return (-1);
  217.                  $size = $header['size'];
  218.  
  219.                  while ($size != 0) {
  220.                      $read_size = ($size < 2048 ? $size : 2048);
  221.                      $buffer = gzread($gzp, $read_size);
  222.                      $binary_data = pack('a' . $read_size, $buffer);
  223.                      @ fwrite($fp, $binary_data, $read_size);
  224.                      $size -= $read_size;
  225.                  }
  226.                  fclose($fp);
  227.                  gzclose($gzp);
  228.  
  229.                  touch($to . $header['filename'], $header['mtime']);
  230.                  @ unlink($to . $header['filename'] . '.gz');
  231.  
  232.              }
  233.          }
  234.  
  235.          $this->total_files++;
  236.          echo "<input name='dfile[]' type='checkbox' value='$to$header[filename]' checked> <a href='$to$header[filename]' target='_blank'>文件: $to$header[filename]</a><br>";
  237.  
  238.          return true;
  239.      }
  240.  
  241.      // end class
  242.  }
  243.  ?>

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