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MIME
MIME(Multipurpose Internet Mail Extensions)多用途互聯網郵件擴展類型。是設定某種擴展名的文件用一種應用程序來打開的方式類型,當該擴展名文件被訪問的時候,瀏覽器會自動使用指定應用程序來打開。多用於指定一些客戶端自定義的文件名,以及一些媒體文件打開方式。
HTTP協議也使用了這個標準。當響應數據被髮回到客戶端瀏覽器的時候,響應頭Content-Type
應該告訴客戶端:我發給你的數據是什麼類型(以便客戶瀏覽器對拿到的數據做解析)。 -
常用的MIME類型
將mime_type和對應的響應頭Content-Type
的值的映射關係存儲在一個JS對象中,調用即可:
以下數據提取來源:https://developer.mozilla.org/zh-CN/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_types
var mimeTypes = {
".aac": "audio/aac", // AAC audio
".abw": "application/x-abiword", // AbiWord document
".arc": "application/x-freearc", // Archive document (multiple files embedded)
".avi": "video/x-msvideo", // AVI: Audio Video Interleave
".azw": "application/vnd.amazon.ebook", // Amazon Kindle eBook format
".bin": "application/octet-stream", // Any kind of binary data
".bmp": "image/bmp", // Windows OS/2 Bitmap Graphics
".bz": "application/x-bzip", // BZip archive
".bz2": "application/x-bzip2", // BZip2 archive
".csh": "application/x-csh", // C-Shell script
".css": "text/css", // Cascading Style Sheets (CSS)
".csv": "text/csv", // Comma-separated values (CSV)
".doc": "application/msword", // Microsoft Word
".docx": "application/vnd.openxmlformats-officedocument.wordprocessingml.document", // Microsoft Word (OpenXML)
".eot": "application/vnd.ms-fontobject", // MS Embedded OpenType fonts
".epub": "application/epub+zip", // Electronic publication (EPUB)
".gif": "image/gif", // Graphics Interchange Format (GIF)
".htm": "text/html",
".html": "text/html", // HyperText Markup Language (HTML)
".ico": "image/vnd.microsoft.icon", // Icon format
".ics": "text/calendar", // iCalendar format
".jar": "application/java-archive", // Java Archive (JAR)
".jpeg": "image/jpeg",
".jpg": "image/jpeg", // JPEG images
".js": "text/javascript", // JavaScript
".json": "application/json", // JSON format
".jsonld": "application/ld+json", // JSON-LD format
".mid": "audio/midi audio/x-midi",
".midi": "audio/midi audio/x-midi", // Musical Instrument Digital Interface (MIDI)
".mjs": "text/javascript", // JavaScript module
".mp3": "audio/mpeg", // MP3 audio
".mpeg": "video/mpeg", // MPEG Video
".mpkg": "application/vnd.apple.installer+xml", // Apple Installer Package
".odp": "application/vnd.oasis.opendocument.presentation", // OpenDocument presentation document
".ods": "application/vnd.oasis.opendocument.spreadsheet", // OpenDocument spreadsheet document
".odt": "application/vnd.oasis.opendocument.text", // OpenDocument text document
".oga": "audio/ogg", // OGG audio
".ogv": "video/ogg", // OGG video
".ogx": "application/ogg", // OGG
".otf": "font/otf", // OpenType font
".png": "image/png", // Portable Network Graphics
".pdf": "application/pdf", // Adobe Portable Document Format (PDF)
".ppt": "application/vnd.ms-powerpoint", // Microsoft PowerPoint
".pptx": "application/vnd.openxmlformats-officedocument.presentationml.presentation", // Microsoft PowerPoint (OpenXML)
".rar": "application/x-rar-compressed", // RAR archive
".rtf": "application/rtf", // Rich Text Format (RTF)
".sh": "application/x-sh", // Bourne shell script
".svg": "image/svg+xml", // Scalable Vector Graphics (SVG)
".swf": "application/x-shockwave-flash", // Small web format (SWF) or Adobe Flash document
".tar": "application/x-tar", // Tape Archive (TAR)
".tif": "image/tiff",
".tiff": "image/tiff", // Tagged Image File Format (TIFF)
".ttf": "font/ttf", // TrueType Font
".txt": "text/plain", // Text, (generally ASCII or ISO 8859-n)
".vsd": "application/vnd.visio", // Microsoft Visio
".wav": "audio/wav", // Waveform Audio Format
".weba": "audio/webm", // WEBM audio
".webm": "video/webm", // WEBM video
".webp": "image/webp", // WEBP image
".woff": "font/woff", // Web Open Font Format (WOFF)
".woff2": "font/woff2", // Web Open Font Format (WOFF)
".xhtml": "application/xhtml+xml", // XHTML
".xls": "application/vnd.ms-excel", // Microsoft Excel
".xlsx": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", // Microsoft Excel (OpenXML)
".xml": "application/xml", // 代碼對普通用戶來說不可讀 (RFC 3023, section 3)
".xml": "text/xml", // XML 代碼對普通用戶來說可讀 (RFC 3023, section 3)
".xul": "application/vnd.mozilla.xul+xml", // XUL
".zip": "application/zip", // ZIP archive
".3gp": "video/3gpp", // 含視頻
// ".3gp": "audio/3gpp", // 3GPP audio/video container(若不含視頻)
".3g2": "video/3gpp2", // 含視頻
// ".3g2": "audio/3gpp2", // 3GPP2 audio/video container(若不含視頻)
".7z": "application/x-7z-compressed", // 7-zip archive
};