php打包网站并在线压缩为zip

发布:smiling　来源: PHP粉丝网　添加日期：2021-07-09 14:23:04　浏览: 评论：0　

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本文实例介绍了php打包网站并在线压缩为zip的方法，分享给大家供大家参考，具体内容如下：

<?php

//在URL后参加 ?pwd=密码查看生成密码

$password = '8baa717e6265d1c1d762cc896151f821'; //l23

?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" dir="ltr">

<head>

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

<title>php ZIP压缩程序</title>

<style type="text/css">



</style>

</head>



<body>

<form name="myform" id="myform" method="post" action="<?php echo $_SERVER['PHP_SELF'];?>">

<h1 style="color:#2583ad;">在线压缩ZIP文件程序</h1><br>



<div>

   <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。压缩的结果保留原来的目录结构。<br />

   <?php if(isset($_REQUEST['pwd']) && md5($_REQUEST['pwd']) == $password)

   echo '当前目录：<span>'. dirname(__FILE__) . '</span>        <a href="'.

   $_SERVER['PHP_SELF']. '">退出</a>';

     else

      if(isset($_GET['pwd']) )

        echo '密码值：<span>'. md5($_GET['pwd']) . '</span>';

      else

        echo 'Tips:在URL后参加<span>?pwd=密码</span> 查看生成密码.';

    ?>

   </p>

</div>

<?

if(!isset($_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="pwd" type="password" id="password" size="30" onkeydown="if(event.ctrlKey&&event.keyCode==13){document.getElementById('login').click();return false};"></td>

  </tr>

  <tr>

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

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

  </tr>

</table>

<script type="text/javascript">

document.getElementById('password').focus();

</script>

<?



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



  if(!isset($_REQUEST['pwd']) || emptyempty($_REQUEST['pwd']) )

    die('请输入密码! <a href="'. $_SERVER['PHP_SELF']. '">Again</a>');

  if(md5($_REQUEST['pwd']) != $password)

    die('输入的密码不正确！<a href="'. $_SERVER['PHP_SELF']. '">Again</a>');

echo '选择要排除的目录(相对路径，以英文半角逗号分隔):<br />';

echo '<input type="text" id="toexlude" name="toexlude" size="100" /><br />';

  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 "<span>文件: $file</span><br>";

    }else{

      echo "<span>目录: $file</span><br>";

    }

  }

?>

<br>

压缩文件保存到目录:

<input name="todir" type="text" id="todir" value="_zipfiles<?php echo substr(md5(time()),0,8);?>_" size="20">

(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="backup_<?php echo substr(md5(__FILE__),0,8);?>.zip" size="15">

(.zip)<br>

<br>

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

<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.getElementById('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 = 'myzip.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'] = 'backup_'.substr(md5(__FILE__),0,8). '.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);

    //添加排除

    $to_exlude = !emptyempty($_POST['toexlude']) ? $_POST['toexlude'] :'';

    $exlude = emptyempty($to_exlude) ? array() : explode(',',$to_exlude);

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

      if($file=="."||$file==".." || $file == 'wp-content' )continue;

      if(is_dir("$dir/$file") && !in_array("$dir/$file",$exlude) )

      {

       $sub_file_num += listfiles("$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 "<span>文件: $file </span><br>";

        }else{

          echo "<span>目录: $file </span><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>

<div id="footer">

<p> <a href="javascript：;" onclick="scrollTo(0,0);" title="返回顶部">TOP</a></p>

</div>

</body>

</html>

以上就是本文的全部内容，希望对大家的学习有所帮助。

php打包网站并在线压缩为zip

发布:smiling　来源: PHP粉丝网　添加日期：2021-07-09 14:23:04　浏览: 评论：0

Tags: php打包网站压缩zip

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php打包网站并在线压缩为zip

发布:smiling 来源: PHP粉丝网 添加日期：2021-07-09 14:23:04 浏览: 评论：0

Tags: php打包网站压缩zip

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发布:smiling　来源: PHP粉丝网　添加日期：2021-07-09 14:23:04　浏览: 评论：0　