不錯的PHP檔案下載類

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/**
** php檔案下載類別
**範例：
 $download=new download('php,exe,html',false);
 if(!$download->downloadfile($filename ))
 {
 echo $download->geterrormsg();
}
* by bbs.it-home.org
*/
類別下載{
var $debug=true ;
var $errormsg='';
var $Filter=array();
var $filename='';
var $mineType='text/plain';
var $ xlq_filetype= array();
函數下載($fileFilter='',$isdebug=true)
{
$this->setFilter($fileFilter);
$this->setdebug($isdebug);
$this->setfiletype();
}
函數 setFilter($fileFilter)
{
if(empty($fileFilter)) return ;
$this->Filter=explode(',',strtolower($fileFilter));
}
function setdebug($debug )
{
$this->debug=$debug;
}
function setfilename($filename)
{
$this->filename=$filename;
}
函數downloadfile($filename)
{
$this->setfilename($filename);
 if($this->filecheck())
{
$fn = array_pop(explode( '/', strtr( $this->filename, '\', '/' ) ) );
header( "Pragma: public" );
 header( "過渡時間：0" ); // 設定過渡時間
header( "Cache-Component: Must-revalidate, post-check=0, pre-check=0" );
header( "Content-type:".$this->; mineType );
header( "內容長度: " .filesize( $this->filename ) );
header( "內容處理：附件; filename="$fn"" );
 header( '內容傳輸編碼:二進位' );
readfile( $this->filename );
回傳true;
}else
{
回傳false;
 }
}
函數geterrormsg()
{
回傳$this->errormsg;
}
函數filecheck()
 {
$filename=$this ->檔名;
if(file_exists($filename))
{
$filetype=strtolower(array_pop(explode('.',$filename))) ;
if(in_array($ filetype) ,$this->Filter))
{
$this->errormsg.=$filename.'不允許下載！ '不允許下載！') ;
return false;
}else
{
if ( function_exists( "mime_content_type" ) )
{
$this->mineType = mime_content_type( $name );
}
if(empty($this->mineType))
{
if( isset($this->xlq_filetype[$filetype]) ) $this->mineType = $this->xlq_filetype [$filetype];
}
if(!empty($this->mineType))
return true;
else
{
$this->errormsg.='取得'.$filename.'檔案類型時候發生錯誤，或不存在預定檔案類型內';
if($this->debug) exit('取得檔案類型出錯');
return false;
}
}
}else
{
$this->errormsg.=$filename.'不存在!';
if($this->debug) exit($filename. '不存在!') ;
return false;
}
}
function setfiletype()
{
$this->xlq_filetype['chm']='application/octet-stream';
$this->xlq_filetype[ ' ppt']='application/vnd.ms-powerpoint';
$this->xlq_filetype['xls']='application/vnd.ms-excel';
$this-> ;xlq_filetype[' doc ']='application/msword';
$this->xlq_filetype['exe']='application/octet-stream';
$this->xlq_filetype['rar']='application/octet - stream';
$this->xlq_filetype['js']="javascript/js";
$this->xlq_filetype['css']="text/css ";
$this- > xlq_filetype['hqx']="application/mac-binhex40";
$this->xlq_filetype['bin']="application/octet-stream";
$this->xlq_filetype['oda' ] ="application/oda";
$this->xlq_filetype['pdf']="application/pdf";
$this->xlq_filetype['ai']="application/postsrcipt";
 $this->xlq_filetype['eps']="application/postsrcipt";
$this->xlq_filetype['es']="application/ postsrcipt";
$this->xlq_filetype['rtf' ] ="application/rtf";
$this->xlq_filetype['mif']="application/x-mif";
 $this->xlq_filetype['csh']="application/x-csh " ;
$this->xlq_filetype['dvi']="application/x-dvi";
$this-> ;xlq_filetype['hdf']="application/x-hdf";
 $ this->xlq_filetype['nc']="application/x-netcdf";
$this->xlq_filetype['cdf']="application/x-netcdf";
$this->xlq_filetype[ ' latex']="application/x-latex";
$this->xlq_filetype['ts']= "application/x-troll-ts";
$this->xlq_filetype['src'] = "application/x-wais-source";
$this->xlq_filetype['zip']= "application/zip";
$this->xlq_filetype['bcpio']="application/x- bcpio ";
$this->xlq_filetype['cpio']="application/x-cpio";
$this->xlq_filetype['gtar']="application/x-gtar";
 $ this->xlq_filetype['shar']="application/x-shar";
$this->xlq_filetype['sv4cpio']="application/x-sv4cpio";
$this->xlq_filetype[ ' sv4crc']="application/x-sv4crc";
$this->xlq_filetype['tar']="application/x-tar";
$this->q_filetype['xlar']=" application /x-ustar";
$this->xlq_filetype[ 'man']="application/x-troff-man";
$this->xlq_filetype['sh']="application/x- sh ";
$this->xlq_filetype['tcl']="application/x-tcl";
$this->xlq_filetype['tex']="application/x-tex";
 $ this->xlq_filetype['texi']="application/x-texinfo";
$this->xlq_filetype['texinfo']="application/x-texinfo";
$this->xlq_filetype[ ' t']="application/x-troff";
$this->xlq_filetype['tr']="application/x-troff";
$this->xlq_filetype['roff']=" application /x-troff";
$this->xlq_filetype['shar']="application/x-shar";
$this->xlq_filetype['me']="application/x-troll-我";
 $this->xlq_filetype['ts']="application/x-troll-ts";
$this->xlq_filetype['gif']="image/gif";
 $ this-> ;xlq_filetype['jpeg']="image/pjpeg";
$this->xlq_filetype['jpg']="image/pjpeg";
$this->xlq_filetype['jpe' ] = "image/pjpeg";
$this->xlq_filetype['ras']="image/x-cmu-raster";
$this->xlq_filetype['pbm']="image/x - portable-bitmap";
$this->xlq_filetype['ppm']="image/x-portable-pixmap";
$this->xlq_filetype['xbm']="image/x -xbitmap " ;
$this->xlq_filetype['xwd']="image/x-xwindowdump";
$this->xlq_filetype['ief']="image/ief";
$this- > xlq_filetype['tif']="image/tiff";
$this->xlq_filetype['tiff']="image/tiff";
$this->xlq_filetype[ 'pnm']="image / x-portable-anymap";
$this->xlq_filetype['pgm']="image/x-portable-graymap";
$this->xlq_filetype[ 'rgb']="image/x - rgb";
$this->xlq_filetype['xpm']="image/x-xpixmap";
$this->xlq_filetype['txt'] ="text/plain";
$ this ->xlq_filetype['c']="text/plain";
$this->xlq_filetype['cc']="text/plain";
$this->xlq_filetype['h']= " text/plain";
$this->xlq_filetype['html']="text/html";
$this->xlq_filetype ['htm']="text/html";
$ this ->xlq_filetype['htl']="text/html";
$this->xlq_filetype['rtx']="text /richtext";
$this->xlq_filetype['etx']= " text/x-settext";
$this->xlq_filetype['tsv']="text/tab-separated-values ”;
$this->xlq_filetype['mpeg']="video/mpeg";
$this->xlq_filetype['mpg']="video/mpeg";
$this->xlq_filetype['mpe'] ="video/mpeg";
$this->xlq_filetype['avi']="video/x-msvideo";
$this->xlq_filetype['qt']="video /quicktime";
$this->xlq_filetype['mov']="video/quicktime";
$this->xlq_filetype['moov']="video/quicktime";
$this->xlq_filetype['movie ']="video/x-sgi-movie";
$this->xlq_filetype['au']="音訊/basic";
$this->xlq_filetype['snd']="音訊/基本";
$this->xlq_filetype['wav']="audio/x-wav";
$this->xlq_filetype['aif'] ="audio/x-aiff";
 $this->xlq_filetype['aiff']="audio/x-aiff";
$this->xlq_filetype['aifc']="audio/x-aiff";
$this->xlq_filetype[ 'swf']="application/x-shockwave-flash";
}
}
?>

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複製程式碼