文件格式类

<? php  
$mime_types = array(     
'gif' => 'image/gif',      
'jpg' => 'image/jpeg',     
'jpeg' => 'image/jpeg',     
'jpe' => 'image/jpeg',     
'bmp' => 'image/bmp',     
'png' => 'image/png',     
'tif' => 'image/tiff',     
'tiff' => 'image/tiff',     
'pict' => 'image/x-pict',     
'pic' => 'image/x-pict',     
'pct' => 'image/x-pict',     
'tif' => 'image/tiff',     
'tiff' => 'image/tiff',       
'psd' => 'image/x-photoshop',       
'swf' => 'application/x-shockwave-flash',     
'js' => 'application/x-javascrīpt',     
'pdf' => 'application/pdf',     
'ps' => 'application/postscrīpt',     
'eps' => 'application/postscrīpt',   
'ai' => 'application/postscrīpt',     
'wmf' => 'application/x-msmetafile',     
'css' => 'text/css',     
'htm' => 'text/html',     
'html' => 'text/html',     
'txt' => 'text/plain',     
'xml' => 'text/xml',     
'wml' => 'text/wml',     
'wbmp' => 'image/vnd.wap.wbmp',      
'mid' => 'audio/midi',     
'wav' => 'audio/wav',     
'mp3' => 'audio/mpeg',        
'mp2' => 'audio/mpeg',     
'avi' => 'video/x-msvideo',     
'mpeg' => 'video/mpeg',     
'mpg' => 'video/mpeg',     
'qt' => 'video/quicktime',     
'mov' => 'video/quicktime',     
'lha' => 'application/x-lha',     
'lzh' => 'application/x-lha',     
'z' => 'application/x-compress',     
'gtar' => 'application/x-gtar',     
'gz' => 'application/x-gzip',     
'gzip' => 'application/x-gzip',       
'tgz' => 'application/x-gzip',     
'tar' => 'application/x-tar',     
'bz2' => 'application/bzip2',     
'zip' => 'application/zip',     
'arj' => 'application/x-arj',     
'rar' => 'application/x-rar-compressed',    
'hqx' => 'application/mac-binhex40',     
'sit' => 'application/x-stuffit',     
'bin' => 'application/x-macbinary',     
'uu' => 'text/x-uuencode',     
'uue' => 'text/x-uuencode',      
'latex'=> 'application/x-latex',     
'ltx' => 'application/x-latex',     
'tcl' => 'application/x-tcl',      
'pgp' => 'application/pgp',     
'asc' => 'application/pgp',     
'exe' => 'application/x-msdownload',     
'doc' => 'application/msword', //OsPHP.COM.CN     
'rtf' => 'application/rtf',     
'xls' => 'application/vnd.ms-excel',     
'ppt' => 'application/vnd.ms-powerpoint',     
'mdb' => 'application/x-msaccess',     
'wri' => 'application/x-mswrite',     
);     
   
?>