本文实例讲述了PHP实现的获取文件mimes类型工具类。分享给大家供大家参考，具体如下：
<?php/* * Copyright 2010-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. * A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file is distributed * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either * express or implied. See the License for the specific language governing * permissions and limitations under the License. *//*%******************************************************************************************%*/// CLASS/** * Simplifies the process of looking up the content-types for a variety of file extensions. * * @version 2010.07.20 * @license See the included NOTICE.md file for more information. * @copyright See the included NOTICE.md file for more information. * @link http://aws.amazon.com/php/ PHP Developer Center */class CFMimeTypes{ /** * Map of the extension-to-mime-types that we support. */ public static $mime_types = array( "3gp" => "video/3gpp", "ai" => "application/postscript", "aif" => "audio/x-aiff", "aifc" => "audio/x-aiff", "aiff" => "audio/x-aiff", "asc" => "text/plain", "atom" => "application/atom+xml", "au" => "audio/basic", "avi" => "video/x-msvideo", "bcpio" => "application/x-bcpio", "bin" => "application/octet-stream", "bmp" => "image/bmp", "cdf" => "application/x-netcdf", "cgm" => "image/cgm", "class" => "application/octet-stream", "cpio" => "application/x-cpio", "cpt" => "application/mac-compactpro", "csh" => "application/x-csh", "css" => "text/css", "dcr" => "application/x-director", "dif" => "video/x-dv", "dir" => "application/x-director", "djv" => "image/vnd.djvu", "djvu" => "image/vnd.djvu", "dll" => "application/octet-stream", "dmg" => "application/octet-stream", "dms" => "application/octet-stream", "doc" => "application/msword", "dtd" => "application/xml-dtd", "dv" => "video/x-dv", "dvi" => "application/x-dvi", "dxr" => "application/x-director", "eps" => "application/postscript", "etx" => "text/x-setext", "exe" => "application/octet-stream", "ez" => "application/andrew-inset", "flv" => "video/x-flv", "gif" => "image/gif", "gram" => "application/srgs", "grxml" => "application/srgs+xml", "gtar" => "application/x-gtar", "gz" => "application/x-gzip", "hdf" => "application/x-hdf", "hqx" => "application/mac-binhex40", "htm" => "text/html", "html" => "text/html", "ice" => "x-conference/x-cooltalk", "ico" => "image/x-icon", "ics" => "text/calendar", "ief" => "image/ief", "ifb" => "text/calendar", "iges" => "model/iges", "igs" => "model/iges", "jnlp" => "application/x-java-jnlp-file", "jp2" => "image/jp2", "jpe" => "image/jpeg", "jpeg" => "image/jpeg", "jpg" => "image/jpeg", "js" => "application/x-javascript", "kar" => "audio/midi", "latex" => "application/x-latex", "lha" => "application/octet-stream", "lzh" => "application/octet-stream", "m3u" => "audio/x-mpegurl", "m4a" => "audio/mp4a-latm", "m4p" => "audio/mp4a-latm", "m4u" => "video/vnd.mpegurl", "m4v" => "video/x-m4v", "mac" => "image/x-macpaint", "man" => "application/x-troff-man", "mathml" => "application/mathml+xml", "me" => "application/x-troff-me", "mesh" => "model/mesh", "mid" => "audio/midi", "midi" => "audio/midi", "mif" => "application/vnd.mif", "mov" => "video/quicktime", "movie" => "video/x-sgi-movie", "mp2" => "audio/mpeg", "mp3" => "audio/mpeg", "mp4" => "video/mp4", "mpe" => "video/mpeg", "mpeg" => "video/mpeg", "mpg" => "video/mpeg", "mpga" => "audio/mpeg", "ms" => "application/x-troff-ms", "msh" => "model/mesh", "mxu" => "video/vnd.mpegurl", "nc" => "application/x-netcdf", "oda" => "application/oda", "ogg" => "application/ogg", "ogv" => "video/ogv", "pbm" => "image/x-portable-bitmap", "pct" => "image/pict", "pdb" => "chemical/x-pdb", "pdf" => "application/pdf", "pgm" => "image/x-portable-graymap", "pgn" => "application/x-chess-pgn", "pic" => "image/pict", "pict" => "image/pict", "png" => "image/png", "pnm" => "image/x-portable-anymap", "pnt" => "image/x-macpaint", "pntg" => "image/x-macpaint", "ppm" => "image/x-portable-pixmap", "ppt" => "application/vnd.ms-powerpoint", "ps" => "application/postscript", "qt" => "video/quicktime", "qti" => "image/x-quicktime", "qtif" => "image/x-quicktime", "ra" => "audio/x-pn-realaudio", "ram" => "audio/x-pn-realaudio", "ras" => "image/x-cmu-raster", "rdf" => "application/rdf+xml", "rgb" => "image/x-rgb", "rm" => "application/vnd.rn-realmedia", "roff" => "application/x-troff", "rtf" => "text/rtf", "rtx" => "text/richtext", "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", "so" => "application/octet-stream", "spl" => "application/x-futuresplash", "src" => "application/x-wais-source", "sv4cpio" => "application/x-sv4cpio", "sv4crc" => "application/x-sv4crc", "svg" => "image/svg+xml", "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", "tsv" => "text/tab-separated-values", "txt" => "text/plain", "ustar" => "application/x-ustar", "vcd" => "application/x-cdlink", "vrml" => "model/vrml", "vxml" => "application/voicexml+xml", "wav" => "audio/x-wav", "wbmp" => "image/vnd.wap.wbmp", "wbxml" => "application/vnd.wap.wbxml", "webm" => "video/webm", "wml" => "text/vnd.wap.wml", "wmlc" => "application/vnd.wap.wmlc", "wmls" => "text/vnd.wap.wmlscript", "wmlsc" => "application/vnd.wap.wmlscriptc", "wmv" => "video/x-ms-wmv", "wrl" => "model/vrml", "xbm" => "image/x-xbitmap", "xht" => "application/xhtml+xml", "xhtml" => "application/xhtml+xml", "xls" => "application/vnd.ms-excel", "xml" => "application/xml", "xpm" => "image/x-xpixmap", "xsl" => "application/xml", "xslt" => "application/xslt+xml", "xul" => "application/vnd.mozilla.xul+xml", "xwd" => "image/x-xwindowdump", "xyz" => "chemical/x-xyz", "zip" => "application/zip", ); /** * Attempt to match the file extension to a known mime-type. * * @param string $ext (Required) The file extension to attempt to map. * @return string The mime-type to use for the file extension. */ public static function get_mimetype($ext) { $ext = strtolower($ext); // Make sure the passed in extension is lowercase return isset(self::$mime_types[$ext]) ? self::$mime_types[$ext] : "application/octet-stream"; }}更多关于PHP相关内容感兴趣的读者可查看本站专题：《php文件操作总结》、《PHP常用遍历算法与技巧总结》、《PHP数据结构与算法教程》、《php程序设计算法总结》、《PHP数组(Array)操作技巧大全》、《php字符串(string)用法总结》及《php常见数据库操作技巧汇总》
希望本文所述对大家PHP程序设计有所帮助。
