?//在URL后参加 ?pwd=密码 查看生成密码 $password = '8baa717e6265d1c1d762cc896151f821'; //l23 ?>
php ZIP压缩程序
在线压缩ZIP文件程序
使用方法:选定要压缩的文件或目录（包含子目录），即可开始压缩。压缩的结果保留原来的目录结构。
echo '当前目录：'. dirname(__FILE__) . ' 退出 ';
else
if(isset($_GET['pwd']) )
echo '密码值：'. md5($_GET['pwd']) . ' ';
else
echo 'Tips:在URL后参加?pwd=密码 查看生成密码.';
?>
if(!isset($_REQUEST["myaction"])): ?>
elseif($_REQUEST["myaction"]=="dolist"): if(!isset($_REQUEST['pwd']) || empty($_REQUEST['pwd']) ) die('请输入密码! Again ');
if(md5($_REQUEST['pwd']) != $password)
die('输入的密码不正确！Again ');
echo 'Select the directories to be excluded (relative paths, separated by commas):
echo '
echo "Select the file to be compressed Or directory:
$fdir = opendir('./');
while($file=readdir($fdir)){
if($file=='.'|| $file =='..' ) continue;
echo "
if(is_file($file)){
echo "File: $file
}else{
echo " Directory: $file
}
}
?>
Save the compressed file to the directory:
(leave blank for this directory, must have write permission )
Compressed file name:
(.zip)
elseif($_REQUEST["myaction"]=="dozip" ): // set_time_limit(0); class PHPzip{ var $file_count = 0; var $datastr_len = 0; var $dirstr_len = 0; var $filedata = ''; //This variable Only accessed by programs outside the class var $gzfilename; var $fp; var $dirstr=''; /* Returns the modification time format of the file. Only called for internal functions of this class. */ function unix2DosTime ($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) | ($timearray[ 'seconds'] >> 1);
}
/*
Initialize the file, create the file directory,
and return the write permission of the file.
*/
function startfile($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;
}
/*
Add a file to the zip archive.
*/
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);
//New file content formatting:
$datastr = "x50x4bx03x04";
$datastr .= "x14x00"; // ver needed to extract
$datastr .= "x00x00"; // gen purpose bit flag
$datastr .= "x08x00"; // 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); //Write new file content
$my_datastr_len = strlen($datastr);
unset($datastr);
//Add new file directory information
$dirstr = "x50x4bx01x02";
$dirstr .= "x00x00"; // version made by
$dirstr .= "x14x00"; // version needed to extract
$dirstr .= "x00x00"; // gen purpose bit flag
$dirstr .= "x08x00"; // 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; //Directory information
$this -> file_count ++;
$this -> dirstr_len += strlen($dirstr);
$this -> datastr_len += $my_datastr_len;
}
function adddir($name){
$name = str_replace("\", "/", $name);
$datastr = "x50x4bx03x04x0ax00x00x00x00x00x00x00x00x00";
$datastr .= pack("V",0).pack( "V",0).pack("V",0).pack("v", strlen($name) );
$datastr .= pack("v", 0 ).$name.pack("V ", 0).pack("V", 0).pack("V", 0);
fwrite($this->fp,$datastr); //Write new file content
$my_datastr_len = strlen($datastr);
unset($datastr);
$dirstr = "x50x4bx01x02x00x00x0ax00x00x00x00x00x00x00x00x00";
$dirstr .= pack("V",0).pack("V",0).pack("V" ,0).pack("v", strlen($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; //Directory information
$this -> file_count ++;
$this -> dirstr_len += strlen($dirstr);
$this -> datastr_len += $my_datastr_len;
}
function createfile(){
//Compressed package end information, including total number of files, directory information reading pointer position and other information
$endstr = "x50x4bx05x06x00x00x00x00" .
pack('v', $this -> file_count) .
pack('v', $this -> file_count) .
pack('V', $this -> dirstr_len) .
pack('V', $this -> datastr_len) .
"x00x00" ;
fwrite($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);
//Add exclusion
$to_exlude = !empty($_POST['toexlude']) ? $_POST['toexlude'] :'';
$exlude = empty($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;$key if($num>=pow(2,10*$key)-1){ //1023B will be displayed as 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 " Adding compressed files...
$filenum = 0;
foreach($_REQUEST['dfile'] as $file){
if(is_file($file)){
echo "File: $file
}else{
echo "Directory: $file
}
$ filenum += listfiles($file);
}
$faisunZIP -> createfile();
echo "". $_REQUEST['todir'].$_REQUEST['zipname']." (".num_bitunit(filesize("$ _REQUEST[todir]$_REQUEST[zipname]")).") ";
}else{
echo $_REQUEST['todir'].$_REQUEST['zipname'].'Cannot write, please Check whether the path or permissions are correct.
}
}else{
echo "No file or directory selected.
}
endif;
?>
< /form>
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