HTML MIME Type

本文介绍了MIME类型的基本概念,包括其定义、语法结构以及常见类型。MIME类型用于标识文件的互联网媒体类型,涵盖视频、图像、文本等多种数据格式。

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MIME type的缩写为(Multipurpose Internet Mail Extensions)代表互联网媒体类型(Internet media type),MIME使用一个简单的字符串组成,最初是为了标识邮件Email附件的类型,在html文件中可以使用content-type属性表示,描述了文件类型的互联网标准。

MIME类型能包含视频、图像、文本、音频、应用程序等数据。

引用网址:http://www.dreamdu.com/xhtml/mime_type/

MIME_type类型语法

media-type=type "/" subtype *( ";" parameter ) 

媒体类型(type)与子类型(subtype)组成了MIME,它们之间使用反斜杠/分割,其中type可取值为:application audio example image message model multipart text video,subtype是某种类型的唯一标识符,比如:css gif xml等。

MIME示例

text/css

标明此文件的type为text(文本),且subtype为css(层叠样式表)

image/gif

标明此文件的type为image(图像),且subtype为gif(Graphics Interchange Format)

常见MIME类型

按照功能排列的MIME_type类型

类型/子类型扩展名
application/envoyevy
application/fractalsfif
application/futuresplashspl
application/htahta
application/internet-property-streamacx
application/mac-binhex40hqx
application/msworddoc
application/msworddot
application/octet-stream*
application/octet-streambin
application/octet-streamclass
application/octet-streamdms
application/octet-streamexe
application/octet-streamlha
application/octet-streamlzh
application/odaoda
application/olescriptaxs
application/pdfpdf
application/pics-rulesprf
application/pkcs10p10
application/pkix-crlcrl
application/postscriptai
application/postscripteps
application/postscriptps
application/rtfrtf
application/set-payment-initiationsetpay
application/set-registration-initiationsetreg
application/vnd.ms-excelxla
application/vnd.ms-excelxlc
application/vnd.ms-excelxlm
application/vnd.ms-excelxls
application/vnd.ms-excelxlt
application/vnd.ms-excelxlw
application/vnd.ms-outlookmsg
application/vnd.ms-pkicertstoresst
application/vnd.ms-pkiseccatcat
application/vnd.ms-pkistlstl
application/vnd.ms-powerpointpot
application/vnd.ms-powerpointpps
application/vnd.ms-powerpointppt
application/vnd.ms-projectmpp
application/vnd.ms-workswcm
application/vnd.ms-workswdb
application/vnd.ms-workswks
application/vnd.ms-workswps
application/winhlphlp
application/x-bcpiobcpio
application/x-cdfcdf
application/x-compressz
application/x-compressedtgz
application/x-cpiocpio
application/x-cshcsh
application/x-directordcr
application/x-directordir
application/x-directordxr
application/x-dvidvi
application/x-gtargtar
application/x-gzipgz
application/x-hdfhdf
application/x-internet-signupins
application/x-internet-signupisp
application/x-iphoneiii
application/x-javascriptjs
application/x-latexlatex
application/x-msaccessmdb
application/x-mscardfilecrd
application/x-msclipclp
application/x-msdownloaddll
application/x-msmediaviewm13
application/x-msmediaviewm14
application/x-msmediaviewmvb
application/x-msmetafilewmf
application/x-msmoneymny
application/x-mspublisherpub
application/x-msschedulescd
application/x-msterminaltrm
application/x-mswritewri
application/x-netcdfcdf
application/x-netcdfnc
application/x-perfmonpma
application/x-perfmonpmc
application/x-perfmonpml
application/x-perfmonpmr
application/x-perfmonpmw
application/x-pkcs12p12
application/x-pkcs12pfx
application/x-pkcs7-certificatesp7b
application/x-pkcs7-certificatesspc
application/x-pkcs7-certreqrespp7r
application/x-pkcs7-mimep7c
application/x-pkcs7-mimep7m
application/x-pkcs7-signaturep7s
application/x-shsh
application/x-sharshar
application/x-shockwave-flashswf
application/x-stuffitsit
application/x-sv4cpiosv4cpio
application/x-sv4crcsv4crc
application/x-tartar
application/x-tcltcl
application/x-textex
application/x-texinfotexi
application/x-texinfotexinfo
application/x-troffroff
application/x-trofft
application/x-trofftr
application/x-troff-manman
application/x-troff-meme
application/x-troff-msms
application/x-ustarustar
application/x-wais-sourcesrc
application/x-x509-ca-certcer
application/x-x509-ca-certcrt
application/x-x509-ca-certder
application/ynd.ms-pkipkopko
application/zipzip
audio/basicau
audio/basicsnd
audio/midmid
audio/midrmi
audio/mpegmp3
audio/x-aiffaif
audio/x-aiffaifc
audio/x-aiffaiff
audio/x-mpegurlm3u
audio/x-pn-realaudiora
audio/x-pn-realaudioram
audio/x-wavwav
image/bmpbmp
image/cis-codcod
image/gifgif
image/iefief
image/jpegjpe
image/jpegjpeg
image/jpegjpg
image/pipegjfif
image/svg+xmlsvg
image/tifftif
image/tifftiff
image/x-cmu-rasterras
image/x-cmxcmx
image/x-iconico
image/x-portable-anymappnm
image/x-portable-bitmappbm
image/x-portable-graymappgm
image/x-portable-pixmapppm
image/x-rgbrgb
image/x-xbitmapxbm
image/x-xpixmapxpm
image/x-xwindowdumpxwd
message/rfc822mht
message/rfc822mhtml
message/rfc822nws
text/css http://www.dreamdu.comcss
text/h323323
text/htmlhtm
text/htmlhtml
text/htmlstm
text/iulsuls
text/plainbas
text/plainc
text/plainh
text/plaintxt
text/richtextrtx
text/scriptletsct
text/tab-separated-valuestsv
text/webviewhtmlhtt
text/x-componenthtc
text/x-setextetx
text/x-vcardvcf
video/mpegmp2
video/mpegmpa
video/mpegmpe
video/mpegmpeg
video/mpegmpg
video/mpegmpv2
video/quicktimemov
video/quicktimeqt
video/x-la-asflsf
video/x-la-asflsx
video/x-ms-asfasf
video/x-ms-asfasr
video/x-ms-asfasx
video/x-msvideoavi
video/x-sgi-moviemovie
x-world/x-vrmlflr
x-world/x-vrmlvrml
x-world/x-vrmlwrl
x-world/x-vrmlwrz
x-world/x-vrmlxaf
x-world/x-vrmlxof

按照字母顺序排列的MIME_type扩展名

扩展名类型/子类型
*application/octet-stream
323text/h323
acxapplication/internet-property-stream
aiapplication/postscript
aifaudio/x-aiff
aifcaudio/x-aiff
aiffaudio/x-aiff
asfvideo/x-ms-asf
asrvideo/x-ms-asf
asxvideo/x-ms-asf
auaudio/basic
avivideo/x-msvideo
axsapplication/olescript
bastext/plain
bcpioapplication/x-bcpio
binapplication/octet-stream
bmpimage/bmp
ctext/plain
catapplication/vnd.ms-pkiseccat
cdfapplication/x-cdf
cerapplication/x-x509-ca-cert
classapplication/octet-stream
clpapplication/x-msclip
cmximage/x-cmx
codimage/cis-cod
cpioapplication/x-cpio
crdapplication/x-mscardfile
crlapplication/pkix-crl
crtapplication/x-x509-ca-cert
cshapplication/x-csh
csstext/css
dcrapplication/x-director
derapplication/x-x509-ca-cert
dirapplication/x-director
dllapplication/x-msdownload
dmsapplication/octet-stream
docapplication/msword
dotapplication/msword
dviapplication/x-dvi
dxrapplication/x-director
epsapplication/postscript
etxtext/x-setext
evyapplication/envoy
exeapplication/octet-stream
fifapplication/fractals
flrx-world/x-vrml
gifimage/gif
gtarapplication/x-gtar
gzapplication/x-gzip
htext/plain
hdfapplication/x-hdf
hlpapplication/winhlp
hqxapplication/mac-binhex40
htaapplication/hta
htctext/x-component
htmtext/html
htmltext/html
htttext/webviewhtml
icoimage/x-icon
iefimage/ief
iiiapplication/x-iphone
insapplication/x-internet-signup
ispapplication/x-internet-signup
jfifimage/pipeg
jpeimage/jpeg
jpegimage/jpeg
jpgimage/jpeg
jsapplication/x-javascript
latexapplication/x-latex
lhaapplication/octet-stream
lsfvideo/x-la-asf
lsxvideo/x-la-asf
lzhapplication/octet-stream
m13application/x-msmediaview
m14application/x-msmediaview
m3uaudio/x-mpegurl
manapplication/x-troff-man
mdbapplication/x-msaccess
meapplication/x-troff-me
mhtmessage/rfc822
mhtmlmessage/rfc822
midaudio/mid
mnyapplication/x-msmoney
movvideo/quicktime
movievideo/x-sgi-movie
mp2video/mpeg
mp3audio/mpeg
mpavideo/mpeg
mpevideo/mpeg
mpegvideo/mpeg
mpgvideo/mpeg
mppapplication/vnd.ms-project
mpv2video/mpeg
msapplication/x-troff-ms
mvbapplication/x-msmediaview
nwsmessage/rfc822
odaapplication/oda
p10application/pkcs10
p12application/x-pkcs12
p7bapplication/x-pkcs7-certificates
p7capplication/x-pkcs7-mime
p7mapplication/x-pkcs7-mime
p7rapplication/x-pkcs7-certreqresp
p7sapplication/x-pkcs7-signature
pbmimage/x-portable-bitmap
pdfapplication/pdf
pfxapplication/x-pkcs12
pgmimage/x-portable-graymap
pkoapplication/ynd.ms-pkipko
pmaapplication/x-perfmon
pmcapplication/x-perfmon
pmlapplication/x-perfmon
pmrapplication/x-perfmon
pmwapplication/x-perfmon
pnmimage/x-portable-anymap
pot,application/vnd.ms-powerpoint
ppmimage/x-portable-pixmap
ppsapplication/vnd.ms-powerpoint
pptapplication/vnd.ms-powerpoint
prfapplication/pics-rules
psapplication/postscript
pubapplication/x-mspublisher
qtvideo/quicktime
raaudio/x-pn-realaudio
ramaudio/x-pn-realaudio
rasimage/x-cmu-raster
rgbimage/x-rgb
rmiaudio/mid http://www.dreamdu.com
roffapplication/x-troff
rtfapplication/rtf
rtxtext/richtext
scdapplication/x-msschedule
scttext/scriptlet
setpayapplication/set-payment-initiation
setregapplication/set-registration-initiation
shapplication/x-sh
sharapplication/x-shar
sitapplication/x-stuffit
sndaudio/basic
spcapplication/x-pkcs7-certificates
splapplication/futuresplash
srcapplication/x-wais-source
sstapplication/vnd.ms-pkicertstore
stlapplication/vnd.ms-pkistl
stmtext/html
svgimage/svg+xml
sv4cpioapplication/x-sv4cpio
sv4crcapplication/x-sv4crc
swfapplication/x-shockwave-flash
tapplication/x-troff
tarapplication/x-tar
tclapplication/x-tcl
texapplication/x-tex
texiapplication/x-texinfo
texinfoapplication/x-texinfo
tgzapplication/x-compressed
tifimage/tiff
tiffimage/tiff
trapplication/x-troff
trmapplication/x-msterminal
tsvtext/tab-separated-values
txttext/plain
ulstext/iuls
ustarapplication/x-ustar
vcftext/x-vcard
vrmlx-world/x-vrml
wavaudio/x-wav
wcmapplication/vnd.ms-works
wdbapplication/vnd.ms-works
wksapplication/vnd.ms-works
wmfapplication/x-msmetafile
wpsapplication/vnd.ms-works
wriapplication/x-mswrite
wrlx-world/x-vrml
wrzx-world/x-vrml
xafx-world/x-vrml
xbmimage/x-xbitmap
xlaapplication/vnd.ms-excel
xlcapplication/vnd.ms-excel
xlmapplication/vnd.ms-excel
xlsapplication/vnd.ms-excel
xltapplication/vnd.ms-excel
xlwapplication/vnd.ms-excel
xofx-world/x-vrml
xpmimage/x-xpixmap
xwdimage/x-xwindowdump
zapplication/x-compress
zipapplication/zip

参考



### mimeType 的定义与用途 mimeType 是一种标准,用来表示文档、文件或字节流的性质和格式。它通常由两部分组成:`type` 和 `subtype`,中间通过斜杠分隔,例如 `text/html` 或者 `image/jpeg`。这种结构允许系统识别数据的具体类型及其子类别。 #### 定义 mimeType 被称为媒体类型(Media Type),最初是在 MIME 协议中引入的一种机制[^1]。它的主要作用是用来描述网络上传输的数据类型以及如何处理这些数据。具体来说,mimeType 可以帮助浏览器或其他应用程序决定如何解析接收到的内容并呈现给用户。 #### 用途 mimeType 广泛应用于多种场景之中: 1. **HTTP 请求响应** 在 HTTP 中,服务器会向客户端返回一个 Content-Type 头部字段来声明资源的 mime 类型。这使得客户端能够知道应该怎样解释所接收的信息。例如,在 HTML 页面加载过程中,如果遇到 JavaScript 文件,则其对应的 mimeType 应该设置为 `application/javascript`[^2]。 2. **电子邮件附件传输** 当发送带有附件的邮件时,每种类型的文件都会被赋予相应的 mimeType 值以便收件方可以正确打开它们。比如 PDF 文档会被标记成 `application/pdf` 形式传递过去[^3]。 3. **移动应用开发环境下的多媒体支持** 对于 Android 开发而言,了解各种常见的 mimeType 尤其重要因为涉及到不同种类媒体播放器插件的选择等问题上都需要依赖于此信息来进行配置操作。 ```python import mimetypes def get_mime_type(file_path): return mimetypes.guess_type(file_path)[0] file = 'example.pdf' mime_type = get_mime_type(file) print(f"The MIME type of {file} is {mime_type}.") ``` 上述 Python 示例展示了如何利用内置库 `mimetypes` 来猜测某个本地路径对应文件可能具有的 mimeType
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