PHP打包下载整个文件夹或多文件
有时候需要输出服务器上某个文件夹的全部文件,比如备份网站,用下面的PHP函数来实现。
函数库代码PHPZip为:(请复制以下代码保存,以供调用)
- <?php
- Class PHPZip{
- Private $StrPath="../../@UpLoad";
- Private $datasec=array();
- Private $ctrl_dir=array();
- Private $eof_ctrl_dir="\x50\x4b\x05\x06\x00\x00\x00\x00";
- Private $old_offset=0;
- //压缩后下载
- Function DownLoad($curdir,$zipfilename,$out){
- $zipfilename=StrToLower($zipfilename);
- $curdir=Str_iReplace(basename($curdir),"",$curdir);
- chdir($curdir.$this->StrPath);
- header('Content-Encoding: none');
- header('Content-Type: application/zip');
- header('Content-Disposition: attachment ; filename='.Str_Replace(".zip","",basename($zipfilename)).'.zip');
- header('Pragma: no-cache');
- header('Expires: 0');
- print($out);
- }
- //压缩后保存在服务器,默认在/@Upload下
- Function SaveFile($curdir,$zipfilename,$out){
- $curdir=Str_iReplace(basename($curdir),"",$curdir);
- chdir($curdir.$this->StrPath);
- $fp=fopen($zipfilename,"wb");
- fwrite($fp,$out,strlen($out));
- fclose($fp);
- }
- //函数用途:压缩文件夹,递归逐层进行
- //参数详解:$dir需要压缩的目录,$zipfilename压缩后的文件名及存放路径,$Todo处理方式1提供下载2保存文件在服务器
- Function ZipDir($dir,$zipfilename,$Todo){
- IF(!@Function_exists('gzcompress')){Return 0;}
- @set_time_limit("0");
- $this->openFile($dir,$zipfilename);
- $out=$this -> filezip();
- Switch ($Todo){
- Case "1":
- $this -> DownLoad(__FILE__,$zipfilename,$out);
- Break;
- Case "2":
- $this -> SaveFile(__FILE__,$zipfilename,$out);
- Break;
- }
- }
- //函数用途:压缩文件,可以是单个也可以是数组的多个
- //参数详解:$file需要压缩的文件(可为数组),$zipfilename压缩后的文件名及存放路径,$Todo处理方式1提供下载2保存文件在服务器
- Function ZipFile($file,$zipfilename,$Todo){
- IF(!@Function_exists('gzcompress')){Return 0;}
- IF(is_array($file)){
- Foreach($file as $filename){
- IF(is_file($filename)){
- $fd= fopen ($filename, "rb");
- $content= @fread($fd, filesize ($filename));
- fclose ($fd);
- $filename= basename($filename);
- $this -> addFile($content, $filename);
- }
- }
- }Else{
- IF(is_file($file)){
- $fd= fopen ($file, "rb");
- $content= @fread($fd, filesize($file));
- fclose ($fd);
- $file= basename($file);
- $this -> addFile($content, $file);
- }
- }
- $out= $this -> filezip();
- Switch ($Todo){
- Case "1":
- $this -> DownLoad(__FILE__,$zipfilename,$out);
- Break;
- Case "2":
- $this -> SaveFile(__FILE__,$zipfilename,$out);
- Break;
- }
- }
- //递归取得下层文件夹下的文件
- Function openFile($path,$zipName){
- $temp_path=$path;
- $temp_zip_path=$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,$path.'/'.$file);
- }Else{
- $this ->openFile($path.'/'.$file,$zipName.'/'.$file);
- }
- }
- }
- $zipName=$temp_zip_path;
- $path=$temp_path;
- closedir($handle);
- }
- }
- Function addFile($data,$name,$time=0){
- $name=str_replace('\\','/',$name);
- $name=str_replace('./','',str_replace('../','',$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($data))."\x00\x00";
- }
- Function unix2DosTime($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) | ($timearray['seconds'] >> 1);
- }
- /*
- 解压缩部分
- 用途:解压缩文件
- 参数:$zn需要解压缩的zip文件及路径,$to解压缩的目的地
- */
- Function Unzip_File($zn, $to, $index = Array(-1)){
- $ok = 0;
- $zip = @fopen($zn, 'rb');
- IF(!$zip){Return(-1);}
- $cdir = $this -> ReadCentralDir($zip, $zn);
- $pos_entry = $cdir['offset'];
- IF(!is_array($index)){
- $index = array($index);
- }
- For($i = 0; $index[$i];$i++){
- IF(intval($index[$i])!= $index[$i] || $index[$i] > $cdir['entries']){Return(-1);}
- }
- For($i=0;$i<$cdir['entries'];$i++){
- @fseek($zip, $pos_entry);
- $header = $this -> ReadCentralFileHeaders($zip);
- $header['index'] = $i;
- $pos_entry = ftell($zip);
- @rewind($zip);
- fseek($zip, $header['offset']);
- IF(in_array("-1", $index) || in_array($i, $index)){$stat[$header['filename']] = $this -> ExtractFile($header, $to, $zip);}
- }
- fclose($zip);
- Return $stat;
- }
- //取得压缩包内的文件信息
- Function get_List($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 = $this -> ReadCentralFileHeaders($zip);
- $header['index'] = $i;
- $info['filename'] = $header['filename'];
- $info['stored_filename'] = $header['stored_filename'];
- $info['size'] = $header['size'];
- $info['compressed_size'] = $header['compressed_size'];
- $info['crc'] = strtoupper(dechex($header['crc']));
- $info['mtime'] = $header['mtime'];
- $info['comment'] = $header['comment'];
- $info['folder'] = ($header['external'] == 0x41FF0010 || $header['external'] == 16)?1:0;
- $info['index'] = $header['index'];
- $info['status'] = $header['status'];
- $ret[] = $info;
- unset($header);
- }
- Return $ret;
- }
- Function ReadFileHeader($zip){
- $binary_data = fread($zip, 30);
- $data = unpack('vchk/vid/vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $binary_data);
- $header['filename'] = fread($zip, $data['filename_len']);
- IF($data['extra_len'] != 0){$header['extra'] = fread($zip, $data['extra_len']);}Else{$header['extra'] = '';}
- $header['compression'] = $data['compression'];
- $header['size'] = $data['size'];
- $header['compressed_size'] = $data['compressed_size'];
- $header['crc'] = $data['crc'];
- $header['flag'] = $data['flag'];
- $header['mdate'] = $data['mdate'];
- $header['mtime'] = $data['mtime'];
- IF($header['mdate'] && $header['mtime']){
- $hour = ($header['mtime']&0xF800) >> 11;
- $minute = ($header['mtime']&0x07E0) >> 5;
- $seconde = ($header['mtime']&0x001F) * 2;
- $year = (($header['mdate']&0xFE00) >> 9) + 1980;
- $month = ($header['mdate']&0x01E0) >> 5;
- $day = $header['mdate']&0x001F;
- $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
- }Else{
- $header['mtime'] = time();
- }
- $header['stored_filename'] = $header['filename'];
- $header['status'] = "ok";
- Return $header;
- }
- Function ReadCentralFileHeaders($zip){
- $binary_data = fread($zip, 46);
- $header = unpack('vchkid/vid/vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset', $binary_data);
- IF($header['filename_len'] != 0)
- $header['filename'] = fread($zip, $header['filename_len']);
- Else $header['filename'] = '';
- IF($header['extra_len'] != 0)
- $header['extra'] = fread($zip, $header['extra_len']);
- Else $header['extra'] = '';
- IF($header['comment_len'] != 0)
- $header['comment'] = fread($zip, $header['comment_len']);
- Else $header['comment'] = '';
- IF($header['mdate'] && $header['mtime']){
- $hour = ($header['mtime'] &0xF800) >> 11;
- $minute = ($header['mtime'] &0x07E0) >> 5;
- $seconde = ($header['mtime'] &0x001F) * 2;
- $year = (($header['mdate'] &0xFE00) >> 9) + 1980;
- $month = ($header['mdate'] &0x01E0) >> 5;
- $day = $header['mdate'] &0x001F;
- $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
- }Else{
- $header['mtime'] = time();
- }
- $header['stored_filename'] = $header['filename'];
- $header['status'] = 'ok';
- IF(substr($header['filename'], -1) == '/')
- $header['external'] = 0x41FF0010;
- Return $header;
- }
- Function ReadCentralDir($zip, $zip_name){
- $size = filesize($zip_name);
- IF($size < 277){$maximum_size = $size;}Else{$maximum_size = 277;}
- @fseek($zip, $size - $maximum_size);
- $pos = ftell($zip);
- $bytes = 0x00000000;
- While($pos < $size){
- $byte = @fread($zip, 1);
- $bytes = ($bytes << 8) | Ord($byte);
- IF($bytes == 0x504b0506){
- $pos++;
- break;
- }
- $pos++;
- }
- $data = unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size', fread($zip, 18));
- IF($data['comment_size'] != 0){$centd['comment'] = fread($zip, $data['comment_size']);}Else{$centd['comment'] = '';}
- $centd['entries'] = $data['entries'];
- $centd['disk_entries'] = $data['disk_entries'];
- $centd['offset'] = $data['offset'];
- $centd['disk_start'] = $data['disk_start'];
- $centd['size'] = $data['size'];
- $centd['disk'] = $data['disk'];
- Return $centd;
- }
- Function ExtractFile($header, $to, $zip){
- $header = $this -> readfileheader($zip);
- IF(substr($to, -1) != "/") $to .= "/";
- IF(!@is_dir($to)) @mkdir($to, 0777);
- $pth = explode("/", dirname($header['filename']));
- For($i = 0;isset($pth[$i]);$i++){
- IF(!$pth[$i]) continue;
- $pthss .= $pth[$i] . "/";
- IF(!is_dir($to . $pthss)) @mkdir($to . $pthss, 0777);
- }
- IF(!($header['external'] == 0x41FF0010) && !($header['external'] == 16)){
- IF($header['compression'] == 0){
- $fp = @fopen($to . $header['filename'], 'wb');
- IF(!$fp) Return(-1);
- $size = $header['compressed_size'];
- While($size != 0){
- $read_size = ($size < 2048 ? $size : 2048);
- $buffer = fread($zip, $read_size);
- $binary_data = pack('a' . $read_size, $buffer);
- @fwrite($fp, $binary_data, $read_size);
- $size -= $read_size;
- }
- fclose($fp);
- touch($to . $header['filename'], $header['mtime']);
- }Else{
- $fp = @fopen($to . $header['filename'] . '.gz', 'wb');
- IF(!$fp) Return(-1);
- $binary_data = pack('va1a1Va1a1', 0x8b1f, Chr($header['compression']),
- Chr(0x00), time(), Chr(0x00), Chr(3));
- fwrite($fp, $binary_data, 10);
- $size = $header['compressed_size'];
- While($size != 0){
- $read_size = ($size < 1024 ? $size : 1024);
- $buffer = fread($zip, $read_size);
- $binary_data = pack('a' . $read_size, $buffer);
- @fwrite($fp, $binary_data, $read_size);
- $size -= $read_size;
- }
- $binary_data = pack('VV', $header['crc'], $header['size']);
- fwrite($fp, $binary_data, 8);
- fclose($fp);
- $gzp = @gzopen($to . $header['filename'] . '.gz', 'rb') or die("Cette archive est compress閑");
- IF(!$gzp) Return(-2);
- $fp = @fopen($to . $header['filename'], 'wb');
- IF(!$fp) Return(-1);
- $size = $header['size'];
- While($size != 0){
- $read_size = ($size < 2048 ? $size : 2048);
- $buffer = gzread($gzp, $read_size);
- $binary_data = pack('a' . $read_size, $buffer);
- @fwrite($fp, $binary_data, $read_size);
- $size -= $read_size;
- }
- fclose($fp);
- gzclose($gzp);
- touch($to . $header['filename'], $header['mtime']);
- @unlink($to . $header['filename'] . '.gz');
- }
- }
- Return true;
- }
- }
- ?>
使用方法:
函数:文件压缩
压缩参数:需要压缩的文件或文件夹(文件可为数组),压缩后的zip文件名及存放路径,压缩类型1:文件夹2:文件,后续操作1:压缩后下载;2:存放在服务器上(默认为/@Upload下)
压缩文件夹示例:Tozip("./","../".date("d-H-i-s").".zip",1,2);
压缩文件示例:
$aaa=array("../1.txt","../2.txt");
Tozip($aaa,"../2.zip",2);
用法举例:
比如有这样一段文件结构:
home
--upload
----1.jpg
----2.jpg
----3.jpg
--web
----html
------inc
--------zip.php(这是上面的代码库)
------download.php
使用download.php中的代码,实现upload文件夹打包并自动下载:
- <?php
- Function Tozip($Path,$ZipFile,$Typ=1,$Todo=1){
- //IF(!is_writeable($Path)){Exit("文件夹不可写!");}
- $Path=Str_iReplace("\\","/",($Path));
- IF(Is_Null($Path) Or Empty($Path) Or !IsSet($Path)){Return False;}
- IF(Is_Null($ZipFile) Or Empty($ZipFile) Or !IsSet($ZipFile)){Return False;}
- Include_once("inc/zip.php"); // 载入代码库,注意路径
- $zip = New PHPZip;
- IF(SubStr($Path,-1,1)=="/"){$Path=SubStr($Path,0,StrLen($Path)-1);}
- OB_end_clean();
- Switch ($Typ){
- Case "1":
- $zip->ZipDir($Path,$ZipFile,$Todo);
- Break;
- Case "2":
- $zip->ZipFile($Path,$ZipFile,$Todo);
- Break;
- }
- IF($Todo==1){
- Die();
- }Else{
- Return True;
- }
- }
- Tozip("././upload", "../../upload.zip",1,1)
- ?>
转载请保留链接:http://ilovetile.com/3074 感谢您对版权的尊重