预约义 MIME content types
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Type |
Subtype |
Description |
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text |
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The document represents printable text. |
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calendar |
Calendaring and scheduling information in the iCalendar format; see RFC 2445. |
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css |
A Cascading Style Sheet used for HTML and XML. |
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directory |
Address book information such as name, phone number, and email address; used by Netscape vCards; defined in RFCs 2425 and 2426. |
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enriched |
A very simple HTML-like language for adding basic font and paragraph-level formatting such as bold and italic to email; used by Eudora; defined in RFC 1896. |
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html |
Hypertext Markup Language as used by web browsers. |
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plain |
This is supposed to imply raw ASCII text. However, some web servers use text/plain as the default MIME type for any file they can't recognize. Therefore, anything and everything, most notably .class byte code files, can get identified as a text/plain file. |
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richtext |
An HTML-like markup for encoding formatting into pure ASCII text. It's never really caught on, in large part because of the popularity of HTML. |
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rtf |
An incompletely defined Microsoft format for word processing files. |
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sgml |
The Standard Generalized Markup Language; ISO standard 8879:1986. |
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tab-separated-values |
The interchange format used by many spreadsheets and databases; records are separated by linebreaks and fields by tabs. |
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xml |
The W3C standard Extensible Markup Language. For various technical reasons, application/xml should be used instead, but often isn't. |
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multipart |
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Multipart MIME messages encode several different files into one message. |
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mixed |
Several message parts intended for sequential viewing. |
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alternative |
The same message in multiple formats so a client may choose the most convenient one. |
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digest |
A popular format for merging many email messages into a single digest; used by many mailing lists and some FAQ lists. |
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parallel |
Several parts intended for simultaneous viewing. |
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byteranges |
Several separately contiguous byte ranges; used in HTTP 1.1. |
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encrypted |
One part for the body of the message and one part for the information necessary to decode the message. |
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signed |
One part for the body of the message and one part for the digital signature. |
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related |
Compound documents formed by aggregating several smaller parts. |
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form-data |
Form responses. |
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message |
|
An email message. |
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external-body |
Just the headers of the email message; the message's body is not included but exists at some other location and is referenced, perhaps by a URL. |
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http |
An HTTP 1.1 request from a web client to a web server. |
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news |
A news article. |
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partial |
Part of a longer email message that has been split into multiple parts to allow transmission through email gateways. |
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rfc822 |
A standard email message including headers. |
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image |
|
Two-dimensional pictures. |
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cgm |
A Computer Graphics Metafile format image. CGM is ISO standard 8632:1992 for device-independent vector graphics and bitmap images. |
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g3fax |
The standard for bitmapped fax images. |
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gif |
A Graphics Interchange Format image. |
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jpeg |
The Joint Photographic Experts Group file format for bitmapped images with lossy compression. |
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png |
A Portable Network Graphics Format image. The format was developed at the W3C as a modern replacement for GIF that supports 24-bit color and is not encumbered by patents. |
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tiff |
The Tagged Image File format from Adobe. |
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audio |
|
Sound. |
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basic |
8-bit ISDN -law encoded audio with a single channel and a sample rate of eight kilohertz. This is the format used by .au and .snd files and supported by the java.applet.AudioClip class. |
|
video |
|
Video. |
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mpeg |
The Motion Picture Experts Group format for video data with lossy compression. |
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quicktime |
Apple's proprietary QuickTime movie format. Before being included in a MIME message, QuickTime files must be "flattened". |
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model |
|
3-D images. |
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vrml |
A Virtual Reality Modeling Language file, a format for 3-D data on the Web. |
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iges |
The Initial Graphics Exchange Specification for interchanging documents between different CAD programs. |
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mesh |
The mesh structures used in finite element and finite difference methods. |
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application |
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Binary data specific to some application. |
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octet-stream |
Unspecified binary data, which is usually saved into a file for the user. This MIME type is sometimes used to serve .class byte code files. |
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java |
A nonstandard subtype sometimes used to serve .class byte code files. |
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postscript |
Adobe PostScript. |
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dca-rft |
IBM's Document Content Architecture-Richly Formatted Text. |
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mac-BinHex40 |
A means of encoding the two forks of a Macintosh document in a single ASCII file. |
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An Adobe Acrobat file. |
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zip |
A zip compressed file. |
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macwriteii |
A MacWrite II word-processing document. |
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msword |
A Microsoft Word document. |
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xml+xhtml |
An XHTML document |
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xml |
An Extensible Markup Language document. |