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MimeObject.object：源码内容
							<?php 
class MimeObject extends BaseObject {
   var $mime_types;
   var $default_type;
   Function MimeObject() {
      $this->BaseObject( 'MimeObject' );
      $this->mime_types = Array();
      $this->InitTypes();
      $this->default_type = 'application/octet-stream';
   }
   Function InitTypes() {
      $this->mime_types = 
      Array(
         'ez'                   => 'application/andrew-inset',
         'hqx'                  => 'application/mac-binhex40',
         'cpt'                  => 'application/mac-compactpro',
         'doc'                  => 'application/msword',
         'bin'                  => 'application/octet-stream',
         'dms'                  => 'application/octet-stream',
         'lha'                  => 'application/octet-stream',
         'lzh'                  => 'application/octet-stream',
         'exe'                  => 'application/octet-stream',
         'class'                => 'application/octet-stream',
         'oda'                  => 'application/oda',
         'pdf'                  => 'application/pdf',
         'ai'                   => 'application/postscript',
         'eps'                  => 'application/postscript',
         'ps'                   => 'application/postscript',
         'rtf'                  => 'application/rtf',
         'smi'                  => 'application/smil',
         'smil'                 => 'application/smil',
         'mif'                  => 'application/vnd.mif',
         'ppt'                  => 'application/vnd.ms-powerpoint',
         'bcpio'                => 'application/x-bcpio',
         'vcd'                  => 'application/x-cdlink',
         'pgn'                  => 'application/x-chess-pgn',
         'cpio'                 => 'application/x-cpio',
         'csh'                  => 'application/x-csh',
         'dcr'                  => 'application/x-director',
         'dir'                  => 'application/x-director',
         'dxr'                  => 'application/x-director',
         'dvi'                  => 'application/x-dvi',
         'spl'                  => 'application/x-futuresplash',
         'gtar'                 => 'application/x-gtar',
         'hdf'                  => 'application/x-hdf',
         'js'                   => 'application/x-javascript',
         'skp'                  => 'application/x-koan',
         'skd'                  => 'application/x-koan',
         'skt'                  => 'application/x-koan',
         'skm'                  => 'application/x-koan',
         'latex'                => 'application/x-latex',
         'nc'                   => 'application/x-netcdf',
         'cdf'                  => 'application/x-netcdf',
         'rpm'                  => 'application/x-rpm',
         'sh'                   => 'application/x-sh',
         'shar'                 => 'application/x-shar',
         'swf'                  => 'application/x-shockwave-flash',
         'sit'                  => 'application/x-stuffit',
         'sv4cpio'              => 'application/x-sv4cpio',
         'sv4crc'               => 'application/x-sv4crc',
         'tar'                  => 'application/x-tar',
         'tcl'                  => 'application/x-tcl',
         'tex'                  => 'application/x-tex',
         'texinfo'              => 'application/x-texinfo',
         'texi'                 => 'application/x-texinfo',
         't'                    => 'application/x-troff',
         'tr'                   => 'application/x-troff',
         'roff'                 => 'application/x-troff',
         'man'                  => 'application/x-troff-man',
         'me'                   => 'application/x-troff-me',
         'ms'                   => 'application/x-troff-ms',
         'ustar'                => 'application/x-ustar',
         'src'                  => 'application/x-wais-source',
         'zip'                  => 'application/zip',
         'au'                   => 'audio/basic',
         'snd'                  => 'audio/basic',
         'mid'                  => 'audio/midi',
         'midi'                 => 'audio/midi',
         'kar'                  => 'audio/midi',
         'mpga'                 => 'audio/mpeg',
         'mp2'                  => 'audio/mpeg',
         'mp3'                  => 'audio/mpeg',
         'aif'                  => 'audio/x-aiff',
         'aiff'                 => 'audio/x-aiff',
         'aifc'                 => 'audio/x-aiff',
         'ram'                  => 'audio/x-pn-realaudio',
         'rm'                   => 'audio/x-pn-realaudio',
         'ra'                   => 'audio/x-realaudio',
         'wav'                  => 'audio/x-wav',
         'pdb'                  => 'chemical/x-pdb',
         'xyz'                  => 'chemical/x-pdb',
         'gif'                  => 'image/gif',
         'ief'                  => 'image/ief',
         'jpeg'                 => 'image/jpeg',
         'jpg'                  => 'image/jpeg',
         'jpe'                  => 'image/jpeg',
         'png'                  => 'image/png',
         'tiff'                 => 'image/tiff',
         'tif'                  => 'image/tiff',
         'ras'                  => 'image/x-cmu-raster',
         'pnm'                  => 'image/x-portable-anymap',
         'pbm'                  => 'image/x-portable-bitmap',
         'pgm'                  => 'image/x-portable-graymap',
         'ppm'                  => 'image/x-portable-pixmap',
         'rgb'                  => 'image/x-rgb',
         'xbm'                  => 'image/x-xbitmap',
         'xpm'                  => 'image/x-xpixmap',
         'xwd'                  => 'image/x-xwindowdump',
         'igs'                  => 'model/iges',
         'iges'                 => 'model/iges',
         'msh'                  => 'model/mesh',
         'mesh'                 => 'model/mesh',
         'silo'                 => 'model/mesh',
         'wrl'                  => 'model/vrml',
         'vrml'                 => 'model/vrml',
         'css'                  => 'text/css',
         'asc'                  => 'text/plain',
         'txt'                  => 'text/plain',
         'rtx'                  => 'text/richtext',
         'rtf'                  => 'text/rtf',
         'sgml'                 => 'text/sgml',
         'sgm'                  => 'text/sgml',
         'tsv'                  => 'text/tab-separated-values',
         'etx'                  => 'text/x-setext',
         'xml'                  => 'text/xml',
         'mpeg'                 => 'video/mpeg',
         'mpg'                  => 'video/mpeg',
         'mpe'                  => 'video/mpeg',
         'qt'                   => 'video/quicktime',
         'mov'                  => 'video/quicktime',
         'avi'                  => 'video/x-msvideo',
         'movie'                => 'video/x-sgi-movie',
         'ice'                  => 'x-conference/x-cooltalk',
         'html'                 => 'text/html',
         'htm'                  => 'text/html'
      );
   }
   Function AddType( $ext, $mime_type ) {
      $this->mime_types[ $ext ] = $mime_type;
   }
   Function GetType( $filename ) {
      $base_name = basename( $filename );
      if ( ereg( '.(.*)$', $base_name, $ext ) ) {
         $ext = $ext[ 0 ];
         $ext = str_replace( '.', '', $ext );
         /* It has a extension */
         $mime_type = '';
         $mime_type = $this->mime_types[ $ext ];
         if ( $mime_type == '' ) {
            return $this->default_type;
         }
         return $mime_type;
      }
      return $this->default_type;
   }
}
?>

						