php打包zip图片下载的方法

html' target='_blank'>class zipfile { var $datasec = array (); var $ctrl_dir = array (); var $eof_ctrl_dir = /x50/x4b/x05/x06/x00/x00/x00/x00  var $old_offset = 0; function unix2_dostime($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) | ($timearray [ seconds ] 1); function add_file($data, $name, $time = 0){ $name = str_replace( // , / , $name); $dtime = dechex($this- unix2_dostime($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); $zdata = substr(substr($zdata, 0, strlen($zdata)- 4), 2); $c_len = strlen($zdata); $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; $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); $this- old_offset += strlen($fr); $cdrec .= $name; $this- ctrl_dir[] = $cdrec; function add_path($path, $l = 0){ $d = @opendir($path); $l = $l 0 ? $l : strlen($path) + 1; while($v = @readdir($d)){ if($v == . || $v == .. ){ continue; $v = $path . / . $v; if(is_dir($v)){ $this- add_path($v, $l); } else { $this- add_file(file_get_contents($v), substr($v, $l)); function file(){ $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($data)) . /x00/x00  function add_files($files){ foreach($files as $file){ if (is_file($file)){ $data = implode( , file($file)); $this- add_file($data, $file); function output($file){ $fp = fopen($file, w  fwrite($fp, $this- file ()); fclose($fp);}

$dfile = tempnam( /tmp , tmp //产生一个临时文件，用于缓存下载文件$zip = new /Org/Util/Zipfile();//----------------------$filename = 二维码 .date( Y-m-d H:i ,time()). .zip //下载的默认文件名//以下是需要下载的图片数组信息，将需要下载的图片信息转化为类似即可$params[ ids ] = explode( , ,$params[ ids //获取图片$image = array( array( image_src = pic1.jpg , image_name = 图片1.jpg ), array( image_src = pic2.jpg , image_name = pic/图片2.jpg ),foreach($image as $v){ $zip- add_file(file_get_contents($v[ image_src ]), $v[ image_name  // 添加打包的图片，第一个参数是图片内容，第二个参数是压缩包里面的显示的名称, 可包含路径 // 或是想打包整个目录 用 $zip- add_path($image_path);//----------------------$zip- output($dfile);// 下载文件ob_clean();header( Pragma: public header( Last-Modified: .gmdate( D, d M Y H:i:s ) . GMT header( Cache-Control:no-store, no-cache, must-revalidate header( Cache-Control:pre-check=0, post-check=0, max-age=0 header( Content-Transfer-Encoding:binary header( Content-Encoding:none header( Content-type:multipart/form-data header( Content-Disposition:attachment; filename= .$filename. //设置下载的默认文件名header( Content-length: . filesize($dfile));$fp = fopen($dfile, r while(connection_status() == 0 $buf = @fread($fp, 8192)){ echo $buf;fclose($fp);@unlink($dfile);@flush();@ob_flush();exit();

值得一提的是 打包下载时中文文件夹或中文名出现乱码时可用下面方法解决

$name = iconv( utf-8 , gb2312 ,$name);

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