首先实例化，然后传参。两个参数。第一个关于你文件地址的一个array。第二个是要你要保存的压缩包文件的绝对地址。
for example：
代码如下 复制代码
$zipfiles =array(/root/pooy/test1.txt,/root/pooy/test2.txt);
$z = new phpzip();
//$randomstr = random(8);
$zipfile = temp./photocome_.$groupid..zip;
$z->zip($zipfiles, $zipfile);
//添加文件列表php的zip压缩类如下：
代码如下 复制代码
getfilelist($dir);
}
if ((!empty($dir))&&(!is_array($dir))&&(file_exists($dir))) chdir($dir);
else chdir($curdir);
if (count($filelist)>0)
{
foreach($filelist as $filename)
{
if (is_file($filename))
{
$fd = fopen ($filename, r);
$content = fread ($fd, filesize ($filename));
fclose ($fd);
if (is_array($dir)) $filename = basename($filename);
$this -> addfile($content, $filename);
}
}
$out = $this -> file();
chdir($curdir);
$fp = fopen($zipfilename, w);
fwrite($fp, $out, strlen($out));
fclose($fp);
}
return 1;
}
else return 0;
}
function getfilelist($dir)
{
if (file_exists($dir))
{
$args = func_get_args();
$pref = $args[1];
$dh = opendir($dir);
while($files = readdir($dh))
{
if (($files!=.)&&($files!=..))
{
if (is_dir($dir.$files))
{
$curdir = getcwd();
chdir($dir.$files);
$file = array_merge($file, $this -> getfilelist(, $pref$files/));
chdir($curdir);
}
else $file[]=$pref.$files;
}
}
closedir($dh);
}
return $file;
}
var $datasec = array();
var $ctrl_dir = array();
var $eof_ctrl_dir = x50x4bx05x06x00x00x00x00;
var $old_offset = 0;
/**
* converts an unix timestamp to a four byte dos date and time format (date
* in high two bytes, time in low two bytes allowing magnitude comparison).
*
* @param integer the current unix timestamp
*
* @return integer the current date in a four byte dos format
*
* @access private
*/
function unix2dostime($unixtime = 0) {
$timearray = ($unixtime == 0) ? getdate() : getdate($unixtime);
if ($timearray['year'] $timearray['year'] = 1980;
$timearray['mon'] = 1;
$timearray['mday'] = 1;
$timearray['hours'] = 0;
$timearray['minutes'] = 0;
$timearray['seconds'] = 0;
} // end if
return (($timearray['year'] - 1980) ($timearray['hours'] > 1);
} // end of the 'unix2dostime()' method
/**
* adds file to archive
*
* @param string file contents
* @param string name of the file in the archive (may contains the path)
* @param integer the current timestamp
*
* @access public
*/
function addfile($data, $name, $time = 0)
{
$name = str_replace('', '/', $name);
$dtime = dechex($this->unix2dostime($time));
$hexdtime = 'x' . $dtime[6] . $dtime[7]
. 'x' . $dtime[4] . $dtime[5]
. 'x' . $dtime[2] . $dtime[3]
. 'x' . $dtime[0] . $dtime[1];
eval('$hexdtime = ' . $hexdtime . ';');
$fr = x50x4bx03x04;
$fr .= x14x00; // ver needed to extract
$fr .= x00x00; // gen purpose bit flag
$fr .= x08x00; // compression method
$fr .= $hexdtime; // last mod time and date
// local file header segment
$unc_len = strlen($data);
$crc = crc32($data);
$zdata = gzcompress($data);
$c_len = strlen($zdata);
$zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2); // fix crc bug
$fr .= pack('v', $crc); // crc32
$fr .= pack('v', $c_len); // compressed filesize
$fr .= pack('v', $unc_len); // uncompressed filesize
$fr .= pack('v', strlen($name)); // length of filename
$fr .= pack('v', 0); // extra field length
$fr .= $name;
// file data segment
$fr .= $zdata;
// data descriptor segment (optional but necessary if archive is not
// served as file)
$fr .= pack('v', $crc); // crc32
$fr .= pack('v', $c_len); // compressed filesize
$fr .= pack('v', $unc_len); // uncompressed filesize
// add this entry to array
$this -> datasec[] = $fr;
$new_offset = strlen(implode('', $this->datasec));
// now add to central directory record
$cdrec = x50x4bx01x02;
$cdrec .= x00x00; // version made by
$cdrec .= x14x00; // version needed to extract
$cdrec .= x00x00; // gen purpose bit flag
$cdrec .= x08x00; // compression method
$cdrec .= $hexdtime; // last mod time & date
$cdrec .= pack('v', $crc); // crc32
$cdrec .= pack('v', $c_len); // compressed filesize
$cdrec .= pack('v', $unc_len); // uncompressed filesize
$cdrec .= pack('v', strlen($name) ); // length of filename
$cdrec .= pack('v', 0 ); // extra field length
$cdrec .= pack('v', 0 ); // file comment length
$cdrec .= pack('v', 0 ); // disk number start
$cdrec .= pack('v', 0 ); // internal file attributes
$cdrec .= pack('v', 32 ); // external file attributes - 'archive' bit set
$cdrec .= pack('v', $this -> old_offset ); // relative offset of local header
$this -> old_offset = $new_offset;
$cdrec .= $name;
// optional extra field, file comment goes here
// save to central directory
$this -> ctrl_dir[] = $cdrec;
} // end of the 'addfile()' method
/**
* dumps out file
*
* @return string the zipped file
*
* @access public
*/
function file()
{
$data = implode('', $this -> datasec);
$ctrldir = implode('', $this -> ctrl_dir);
return
$data .
$ctrldir .
$this -> eof_ctrl_dir .
pack('v', sizeof($this -> ctrl_dir)) . // total # of entries on this disk
pack('v', sizeof($this -> ctrl_dir)) . // total # of entries overall
pack('v', strlen($ctrldir)) . // size of central dir
pack('v', strlen($data)) . // offset to start of central dir
x00x00; // .zip file comment length
} // end of the 'file()' method
} // end of the 'phpzip' class
?>
http://www.bkjia.com/phpjc/444617.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/444617.htmltecharticle本程序可以快速的实现把我们的文件利用php压缩类压缩成我们想的zip，或者rar 的压缩包,后缀名可以自定义哦, 压缩算法是来自国外一个网站...