本文實例講述了PHP實現將多個文件壓縮成zip格式并下載到本地的方法。分享給大家供大家參考，具體如下：

廢話不多說，直接上代碼

//這里需要注意該目錄是否存在，并且有創建的權限$zipname = path/test.zip //這是要打包的文件地址數組$files = array( mypath/test1.txt , mypath/test2.pdf $zip = new ZipArchive();$res = $zip- open($zipname, ZipArchive::CREATE);if ($res === TRUE) { foreach ($files as $file) { //這里直接用原文件的名字進行打包，也可以直接命名，需要注意如果文件名字一樣會導致后面文件覆蓋前面的文件，所以建議重新命名 $new_filename = substr($file, strrpos($file, / ) + 1); $zip- addFile($file, $new_filename);//關閉文件$zip- close();

//這里是下載zip文件header( Content-Type: application/zip header( Content-Transfer-Encoding: Binary header( Content-Length: . filesize($zipname));header( Content-Disposition: attachment; filename=/ . basename($zipname) . / readfile($zipname);exit;

附：這里再為大家提供一個zip壓縮類：

 ?php# PHPZip v1.2 by Sext (sext@neud.net) 2002-11-18# (Changed: 2003-03-01)# Makes zip archive# Based on Zip file creation html' target='_blank'>class , uses zLibclass PHPZip function Zip($dir, $zipfilename) if (@function_exists( gzcompress )) $curdir = getcwd(); if (is_array($dir))  $filelist = $dir; else  $filelist = $this - GetFileList($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 ] 1980) { $timearray[ year ] = 1980; $timearray[ mon ] = 1; $timearray[ mday ] = 1; $timearray[ hours ] = 0; $timearray[ minutes ] = 0; $timearray[ seconds ] = 0; } // end if return (($timearray[ year ] - 1980) 25) | ($timearray[ mon ] 21) | ($timearray[ mday ] 16) | ($timearray[ hours ] 11) | ($timearray[ minutes ] 5) | ($timearray[ seconds ] 1); } // end of the unix2DosTime() method * Adds file to archive * @param string file contents * @param string name of the file in the archive (may contains the path) * @param integer the current timestamp * @access public function addFile($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? 

用法：

$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);

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以上就是PHP實現將多個文件壓縮成zip格式并下載到本地的方法的詳細內容，PHP教程

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