从WordPress源码看上传文件类型
 doctorrm      2019-02-22 21:17:01      21      0      

WordPress允许站长和其他用户上传限定大小的文件,也预设置了上传文件的格式,不合规范的格式将被拒绝上传:

那WordPress支持多少种文件格式呢?答案在其根目录下的.../wp-includes/function.php中,对应的函数是wp_get_mime_types()。源代码告诉我们,WordPress的文件格式分为9种,分别为:

  • Image formats
  • Video formats
  • Text formats
  • Audio formats
  • Misc application formats
  • MS Office formats
  • OpenOffice formats
  • WordPerfect formats
  • iWork formats

但是要注意,并不是说该函数中的所有文件格式都能100%上传的,从注释中我们可以看到WordPress可以通过过滤器来指定移除哪些格式。


/** * 获取 file extensions 和 mime types 列表, 二者以键值对方式存储在本函数中,通过file extensions来获取对应的mime types. */ function wp_get_mime_types() { /** * 过滤mime types 和file extensions 列表. * 此过滤器用于 增加/移除 特定mime types。 其中,要移除mimetypes,还需要使用upload_mimes过滤器. * * @since 3.5.0 * * @param array $wp_get_mime_types Mime types keyed by the file extension regex * corresponding to those types. */ return apply_filters( 'mime_types', array( // Image formats(图片格式). 'jpg|jpeg|jpe' => 'image/jpeg', 'gif' => 'image/gif', 'png' => 'image/png', 'bmp' => 'image/bmp', 'tiff|tif' => 'image/tiff', 'ico' => 'image/x-icon', // Video formats(视频格式). 'asf|asx' => 'video/x-ms-asf', 'wmv' => 'video/x-ms-wmv', 'wmx' => 'video/x-ms-wmx', 'wm' => 'video/x-ms-wm', 'avi' => 'video/avi', 'divx' => 'video/divx', 'flv' => 'video/x-flv', 'mov|qt' => 'video/quicktime', 'mpeg|mpg|mpe' => 'video/mpeg', 'mp4|m4v' => 'video/mp4', 'ogv' => 'video/ogg', 'webm' => 'video/webm', 'mkv' => 'video/x-matroska', '3gp|3gpp' => 'video/3gpp', // Can also be audio '3g2|3gp2' => 'video/3gpp2', // Can also be audio // Text formats(文本格式). 'txt|asc|c|cc|h|srt' => 'text/plain', 'csv' => 'text/csv', 'tsv' => 'text/tab-separated-values', 'ics' => 'text/calendar', 'rtx' => 'text/richtext', 'css' => 'text/css', 'htm|html' => 'text/html', 'vtt' => 'text/vtt', 'dfxp' => 'application/ttaf+xml', // Audio formats(音频格式). 'mp3|m4a|m4b' => 'audio/mpeg', 'aac' => 'audio/aac', 'ra|ram' => 'audio/x-realaudio', 'wav' => 'audio/wav', 'ogg|oga' => 'audio/ogg', 'flac' => 'audio/flac', 'mid|midi' => 'audio/midi', 'wma' => 'audio/x-ms-wma', 'wax' => 'audio/x-ms-wax', 'mka' => 'audio/x-matroska', // Misc application formats(其他应用程序格式). 'rtf' => 'application/rtf', 'js' => 'application/javascript', 'pdf' => 'application/pdf', 'swf' => 'application/x-shockwave-flash', 'class' => 'application/java', 'tar' => 'application/x-tar', 'zip' => 'application/zip', 'gz|gzip' => 'application/x-gzip', 'rar' => 'application/rar', '7z' => 'application/x-7z-compressed', 'exe' => 'application/x-msdownload', 'psd' => 'application/octet-stream', 'xcf' => 'application/octet-stream', // MS Office formats(微软Office文件格式). 'doc' => 'application/msword', 'pot|pps|ppt' => 'application/vnd.ms-powerpoint', 'wri' => 'application/vnd.ms-write', 'xla|xls|xlt|xlw' => 'application/vnd.ms-excel', 'mdb' => 'application/vnd.ms-access', 'mpp' => 'application/vnd.ms-project', 'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'docm' => 'application/vnd.ms-word.document.macroEnabled.12', 'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template', 'dotm' => 'application/vnd.ms-word.template.macroEnabled.12', 'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', 'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12', 'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12', 'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template', 'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12', 'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12', 'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation', 'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12', 'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow', 'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12', 'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template', 'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12', 'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12', 'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide', 'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12', 'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote', 'oxps' => 'application/oxps', 'xps' => 'application/vnd.ms-xpsdocument', // OpenOffice formats. 'odt' => 'application/vnd.oasis.opendocument.text', 'odp' => 'application/vnd.oasis.opendocument.presentation', 'ods' => 'application/vnd.oasis.opendocument.spreadsheet', 'odg' => 'application/vnd.oasis.opendocument.graphics', 'odc' => 'application/vnd.oasis.opendocument.chart', 'odb' => 'application/vnd.oasis.opendocument.database', 'odf' => 'application/vnd.oasis.opendocument.formula', // WordPerfect formats. 'wp|wpd' => 'application/wordperfect', // iWork formats. 'key' => 'application/vnd.apple.keynote', 'numbers' => 'application/vnd.apple.numbers', 'pages' => 'application/vnd.apple.pages', ) ); }
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