首先将压缩代码Zip.php放到php目录中
//zip.php
<?php
/*
$Id: PHPZip.php
*/
error_reporting(0);
class PHPZip {
var $datasec = array();
var $ctrl_dir = array();
var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
var $old_offset = 0;
function Zip($dir, $zipfilename) {
if (@function_exists(\'gzcompress\')) {
@set_time_limit("0");
$this->openFile($dir,$dir);
$out = $this -> filezip();
$fp = fopen($zipfilename, "w");
fwrite($fp, $out, strlen($out));
fclose($fp);
}
}
function openFile($path, $zipName) {
$temp_path = $path;
$temp_zip_path = $zipName;
$zipDir = $zipName;
if ($handle = @opendir($path)) {
while (false !== ($file = readdir($handle))) {
if($file !=\'.\' and $file !=\'..\'){
if(ereg(\'\.\' , $file.@basename())) {
$fd = fopen($path.\'/\'.$file, "r");
$fileValue = @fread ($fd, 1024000);
fclose ($fd);
$this -> addFile($fileValue, $zipName . \'/\' . $file);
} else {
$this ->openFile($path.\'/\'.$file, $zipName . \'/\' . $file);
}
}
}
$zipName = $temp_zip_path;
$path = $temp_path;
closedir($handle);
}
}
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) | ($timearray[\'seconds\'] >> 1);
}
function addFile($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 = "\x50\x4b\x03\x04";
$fr .= "\x14\x00";
$fr .= "\x00\x00";
$fr .= "\x08\x00";
$fr .= $hexdtime;
$unc_len = strlen($data);
$crc = crc32($data);
$zdata = gzcompress($data);
$c_len = strlen($zdata);
$zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2);
$fr .= pack(\'V\', $crc);
$fr .= pack(\'V\', $c_len);
$fr .= pack(\'V\', $unc_len);
$fr .= pack(\'v\', strlen($name));
$fr .= pack(\'v\', 0);
$fr .= $name;
$fr .= $zdata;
$fr .= pack(\'V\', $crc);
$fr .= pack(\'V\', $c_len);
$fr .= pack(\'V\', $unc_len);
$this -> datasec[] = $fr;
$new_offset = strlen(implode(\'\', $this->datasec));
$cdrec = "\x50\x4b\x01\x02";
$cdrec .= "\x00\x00";
$cdrec .= "\x14\x00";
$cdrec .= "\x00\x00";
$cdrec .= "\x08\x00";
$cdrec .= $hexdtime;
$cdrec .= pack(\'V\', $crc);
$cdrec .= pack(\'V\', $c_len);
$cdrec .= pack(\'V\', $unc_len);
$cdrec .= pack(\'v\', strlen($name) );
$cdrec .= pack(\'v\', 0 );
$cdrec .= pack(\'v\', 0 );
$cdrec .= pack(\'v\', 0 );
$cdrec .= pack(\'v\', 0 );
$cdrec .= pack(\'V\', 32 );
$cdrec .= pack(\'V\', $this -> old_offset );
$this -> old_offset = $new_offset;
$cdrec .= $name;
$this -> ctrl_dir[] = $cdrec;
}
function filezip() {
$data = implode(\'\', $this -> datasec);
$ctrldir = implode(\'\', $this -> ctrl_dir);
return
$data .
$ctrldir .
$this -> eof_ctrl_dir .
pack(\'v\', sizeof($this -> ctrl_dir)) .
pack(\'v\', sizeof($this -> ctrl_dir)) .
pack(\'V\', strlen($ctrldir)) .
pack(\'V\', strlen($data)) .
"\x00\x00";
}
}
?>
//接下来就是你可以通过一下代码压缩你想压缩的文件夹,文件等。
$zip = new PHPZip();
$zip -> Zip("你将要压缩文件夹或文件","压缩后文件的名称");
eg:$Zip = new PHPZip();
$Zip ->Zip("F:\wamp\www\DTX","DTX.zip");