====== PHP根据文件后缀名得到MIMETYPE ====== "application/postscript", "aif" => "audio/x-aiff", "aifc" => "audio/x-aiff", "aiff" => "audio/x-aiff", "asc" => "text/plain", "au" => "audio/basic", "avi" => "video/x-msvideo", "bcpio" => "application/x-bcpio", "bin" => "application/octet-stream", "c" => "text/plain", "cc" => "text/plain", "py" => "text/plain", "php" => "text/plain", "ccad" => "application/clariscad", "cdf" => "application/x-netcdf", "class" => "application/octet-stream", "cpio" => "application/x-cpio", "cpt" => "application/mac-compactpro", "csh" => "application/x-csh", "css" => "text/css", "dcr" => "application/x-director", "dir" => "application/x-director", "dms" => "application/octet-stream", "doc" => "application/msword", "drw" => "application/drafting", "dvi" => "application/x-dvi", "dwg" => "application/acad", "dxf" => "application/dxf", "dxr" => "application/x-director", "eps" => "application/postscript", "etx" => "text/x-setext", "exe" => "application/octet-stream", "ez" => "application/andrew-inset", "f" => "text/plain", "f90" => "text/plain", "fli" => "video/x-fli", "gif" => "image/gif", "gtar" => "application/x-gtar", "gz" => "application/x-gzip", "h" => "text/plain", "hdf" => "application/x-hdf", "hh" => "text/plain", "hqx" => "application/mac-binhex40", "htm" => "text/html", "html" => "text/html", "ice" => "x-conference/x-cooltalk", "ief" => "image/ief", "iges" => "model/iges", "igs" => "model/iges", "ips" => "application/x-ipscript", "ipx" => "application/x-ipix", "jpe" => "image/jpeg", "jpeg" => "image/jpeg", "jpg" => "image/jpeg", "js" => "application/x-javascript", "kar" => "audio/midi", "latex" => "application/x-latex", "lha" => "application/octet-stream", "lsp" => "application/x-lisp", "lzh" => "application/octet-stream", "m" => "text/plain", "man" => "application/x-troff-man", "me" => "application/x-troff-me", "mesh" => "model/mesh", "mid" => "audio/midi", "midi" => "audio/midi", "mif" => "application/vnd.mif", "mime" => "www/mime", "mov" => "video/quicktime", "movie" => "video/x-sgi-movie", "mp2" => "audio/mpeg", "mp3" => "audio/mpeg", "mpe" => "video/mpeg", "mpeg" => "video/mpeg", "mpg" => "video/mpeg", "mpga" => "audio/mpeg", "ms" => "application/x-troff-ms", "msh" => "model/mesh", "nc" => "application/x-netcdf", "oda" => "application/oda", "pbm" => "image/x-portable-bitmap", "pdb" => "chemical/x-pdb", "pdf" => "application/pdf", "pgm" => "image/x-portable-graymap", "pgn" => "application/x-chess-pgn", "png" => "image/png", "pnm" => "image/x-portable-anymap", "pot" => "application/mspowerpoint", "ppm" => "image/x-portable-pixmap", "pps" => "application/mspowerpoint", "ppt" => "application/mspowerpoint", "ppz" => "application/mspowerpoint", "pre" => "application/x-freelance", "prt" => "application/pro_eng", "ps" => "application/postscript", "qt" => "video/quicktime", "ra" => "audio/x-realaudio", "ram" => "audio/x-pn-realaudio", "ras" => "image/cmu-raster", "rgb" => "image/x-rgb", "rm" => "audio/x-pn-realaudio", "roff" => "application/x-troff", "rpm" => "audio/x-pn-realaudio-plugin", "rtf" => "text/rtf", "rtx" => "text/richtext", "scm" => "application/x-lotusscreencam", "set" => "application/set", "sgm" => "text/sgml", "sgml" => "text/sgml", "sh" => "application/x-sh", "shar" => "application/x-shar", "silo" => "model/mesh", "sit" => "application/x-stuffit", "skd" => "application/x-koan", "skm" => "application/x-koan", "skp" => "application/x-koan", "skt" => "application/x-koan", "smi" => "application/smil", "smil" => "application/smil", "snd" => "audio/basic", "sol" => "application/solids", "spl" => "application/x-futuresplash", "src" => "application/x-wais-source", "step" => "application/STEP", "stl" => "application/SLA", "stp" => "application/STEP", "sv4cpio" => "application/x-sv4cpio", "sv4crc" => "application/x-sv4crc", "swf" => "application/x-shockwave-flash", "t" => "application/x-troff", "tar" => "application/x-tar", "tcl" => "application/x-tcl", "tex" => "application/x-tex", "texi" => "application/x-texinfo", "texinfo" => "application/x-texinfo", "tif" => "image/tiff", "tiff" => "image/tiff", "tr" => "application/x-troff", "tsi" => "audio/TSP-audio", "tsp" => "application/dsptype", "tsv" => "text/tab-separated-values", "txt" => "text/plain", "unv" => "application/i-deas", "ustar" => "application/x-ustar", "vcd" => "application/x-cdlink", "vda" => "application/vda", "viv" => "video/vnd.vivo", "vivo" => "video/vnd.vivo", "vrml" => "model/vrml", "wav" => "audio/x-wav", "wrl" => "model/vrml", "xbm" => "image/x-xbitmap", "xlc" => "application/vnd.ms-excel", "xll" => "application/vnd.ms-excel", "xlm" => "application/vnd.ms-excel", "xls" => "application/vnd.ms-excel", "xlw" => "application/vnd.ms-excel", "xml" => "text/xml", "xpm" => "image/x-xpixmap", "xwd" => "image/x-xwindowdump", "xyz" => "chemical/x-pdb", "zip" => "application/zip" ); $ext = strtolower($ext); $mime_type = $extensions[$ext]; return $mime_type; }