顺网 vr:setContentType 参数

'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','so' => 'application/octet-stream','dll' => 'application/octet-stream','oda' => 'application/oda','pdf' => 'application/pdf','ai' => 'application/postscript','eps' => 'application/postscript','ps' => 'application/postscript','smi' => 'application/smil','smil' => 'application/smil','mif' => 'application/vnd.mif','xls' => 'application/vnd.ms-excel','xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet','ppt' => 'application/vnd.ms-powerpoint','wbxml' => 'application/vnd.wap.wbxml','wmlc' => 'application/vnd.wap.wmlc','wmlsc' => 'application/vnd.wap.wmlscriptc','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','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','xhtml' => 'application/xhtml+xml','xht' => 'application/xhtml+xml','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','m3u' => 'audio/x-mpegurl','ram' => 'audio/x-pn-realaudio','rm' => 'audio/x-pn-realaudio','rpm' => 'audio/x-pn-realaudio-plugin','ra' => 'audio/x-realaudio','wav' => 'audio/x-wav','pdb' => 'chemical/x-pdb','xyz' => 'chemical/x-xyz','bmp' => 'image/bmp','gif' => 'image/gif','ief' => 'image/ief','jpeg' => 'image/jpeg','jpg' => 'image/jpeg','jpe' => 'image/jpeg','png' => 'image/png','tiff' => 'image/tiff','tif' => 'image/tiff','djvu' => 'image/vnd.djvu','djv' => 'image/vnd.djvu','wbmp' => 'image/vnd.wap.wbmp','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','html' => 'text/html','htm' => 'text/html','asc' => 'text/plain','txt' => 'text/plain','rtx' => 'text/richtext','rtf' => 'text/rtf','sgml' => 'text/sgml','sgm' => 'text/sgml','tsv' => 'text/tab-separated-values','wml' => 'text/vnd.wap.wml','wmls' => 'text/vnd.wap.wmlscript','etx' => 'text/x-setext','xsl' => 'text/xml','xml' => 'text/xml','mpeg' => 'video/mpeg','mpg' => 'video/mpeg','mpe' => 'video/mpeg','qt' => 'video/quicktime','mov' => 'video/quicktime','mxu' => 'video/vnd.mpegurl','avi' => 'video/x-msvideo','movie' => 'video/x-sgi-movie','ice' => 'x-conference/x-cooltalk'