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<?php
/**
* @author wyt
*
*/
class zip {
private $_zipObj=null;
private $_zipfcArr=array();
private $_basePath=null;
private $_zipName;
/**
* init
* @param zipÎļþÃû³Æ $zipName
*/
function __construct($zipName){
$this->_zipName=$zipName;
$this->_zipObj=new rezip();
}

/**
* ѹËõÒ»¸öÎļþ¼Ð
* @param Ŀ¼Ãû³Æ $path
*/
public function tozip($path){
$this->_basePath=$path;
$this->_basePath.='/';
$this->direct($path);
$this->_zipObj->Add($this->_zipfcArr,1);
//дÈëÎļþ
if(@fputs(@fopen($this->_zipName,"wb"),$this->_zipObj->get_file())) return $this->_zipName;
return false;
}

/**
* ½âѹzipÎļþ
* @param ½âѹµ½µÄÎļþ¼Ð $destPath
*/
public function unzip($destPath){
if(!file_exists($destPath)) @mkdir($destPath,0777,true);
return $this->_zipObj->Extract($this->_zipName,$destPath);
}

function direct($path){
$handler=opendir($path);
while(($file=readdir($handler))!==false){
if($file=='.'||$file=='..') continue;
$tmp=$path.'/'.$file;
$filename=str_replace($this->_basePath,'',$tmp);
if(is_dir($tmp)){
$this->direct($tmp);
}else{
//Éú³ÉµÄzip ÎļþÃû
echo $tmp."\n";
$filesize=@filesize($tmp);
$fp=@fopen($tmp,rb);
$this->_zipfcArr[]=Array($filename,@fread($fp,$filesize));
@fclose($fp);
}
}
closedir($handler);
}
}
/**
* ѹËõÀ࣬½øÐÐÁËССµÄ¸Ä¶¯
*
*/
class rezip{
var $datasec, $ctrl_dir = array();
var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
var $old_offset = 0; var $dirs = Array(".");
function get_List($zip_name){
$zip = @fopen($zip_name, 'rb');
if(!$zip) return(0);
$centd = $this->ReadCentralDir($zip,$zip_name);

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

for ($i=0; $i<$centd['entries']; $i++){
$header = $this->Re


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