HTTP Content-Type(MIME-Type) 与扩展名 Extension 对照表

Content-Type，内容类型，一般是指网页中存在的Content-Type，用于定义网络文件的类型和网页的编码，决定文件接收方将以什么形式、什么编码读取这个文件，这就是经常看到一些Asp网页点击的结果却是下载到的一个文件或一张图片的原因。

Content-Type	Extension
application/epub+zip	.epub
application/fractals	.fif
application/futuresplash	.spl
application/hta	.hta
application/mac-binhex40	.hqx
application/ms-vsi	.vsi
application/msaccess	.accdb
application/msaccess.addin	.accda
application/msaccess.cab	.accdc
application/msaccess.exec	.accde
application/msaccess.ftemplate	.accft
application/msaccess.runtime	.accdr
application/msaccess.template	.accdt
application/msaccess.webapplication	.accdw
application/msonenote	.one
application/msword	.doc
application/opensearchdescription+xml	.osdx
application/pdf	.pdf
application/pkcs10	.p10
application/pkcs7-mime	.p7c
application/pkcs7-signature	.p7s
application/pkix-cert	.cer
application/pkix-crl	.crl
application/postscript	.ps
application/vnd.ms-excel	.xls
application/vnd.ms-excel.12	.xlsx
application/vnd.ms-excel.addin.macroEnabled.12	.xlam
application/vnd.ms-excel.sheet.binary.macroEnabled.12	.xlsb
application/vnd.ms-excel.sheet.macroEnabled.12	.xlsm
application/vnd.ms-excel.template.macroEnabled.12	.xltm
application/vnd.ms-officetheme	.thmx
application/vnd.ms-pki.certstore	.sst
application/vnd.ms-pki.pko	.pko
application/vnd.ms-pki.seccat	.cat
application/vnd.ms-powerpoint	.ppt
application/vnd.ms-powerpoint.12	.pptx
application/vnd.ms-powerpoint.addin.macroEnabled.12	.ppam
application/vnd.ms-powerpoint.presentation.macroEnabled.12	.pptm
application/vnd.ms-powerpoint.slide.macroEnabled.12	.sldm
application/vnd.ms-powerpoint.slideshow.macroEnabled.12	.ppsm
application/vnd.ms-powerpoint.template.macroEnabled.12	.potm
application/vnd.ms-publisher	.pub
application/vnd.ms-visio.viewer	.vsd
application/vnd.ms-word.document.12	.docx
application/vnd.ms-word.document.macroEnabled.12	.docm
application/vnd.ms-word.template.12	.dotx
application/vnd.ms-word.template.macroEnabled.12	.dotm
application/vnd.ms-wpl	.wpl
application/vnd.ms-xpsdocument	.xps
application/vnd.oasis.opendocument.presentation	.odp
application/vnd.oasis.opendocument.spreadsheet	.ods
application/vnd.oasis.opendocument.text	.odt
application/vnd.openxmlformats-officedocument.presentationml.presentation	.pptx
application/vnd.openxmlformats-officedocument.presentationml.slide	.sldx
application/vnd.openxmlformats-officedocument.presentationml.slideshow	.ppsx
application/vnd.openxmlformats-officedocument.presentationml.template	.potx
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet	.xlsx
application/vnd.openxmlformats-officedocument.spreadsheetml.template	.xltx
application/vnd.openxmlformats-officedocument.wordprocessingml.document	.docx
application/vnd.openxmlformats-officedocument.wordprocessingml.template	.dotx
application/windows-appcontent+xml	.appcontent-ms
application/x-compress	.z
application/x-compressed	.solitairetheme8
application/x-dtcp1	.dtcp-ip
application/x-gzip	.gz
application/x-itunes-itls	.itls
application/x-itunes-itms	.itms
application/x-itunes-itpc	.itpc
application/x-jtx+xps	.jtx
application/x-latex	.latex
application/x-mix-transfer	.nix
application/x-mplayer2	.asx
application/x-ms-application	.application
application/x-ms-vsto	.vsto
application/x-ms-wmd	.wmd
application/x-ms-wmz	.wmz
application/x-ms-xbap	.xbap
application/x-mswebsite	.website
application/x-pkcs12	.p12
application/x-pkcs7-certificates	.p7b
application/x-pkcs7-certreqresp	.p7r
application/x-podcast	.pcast
application/x-shockwave-flash	.swf
application/x-stuffit	.sit
application/x-tar	.tar
application/x-troff-man	.man
application/x-wmplayer	.asx
application/x-x509-ca-cert	.cer
application/x-zip-compressed	.zip
application/xaml+xml	.xaml
application/xhtml+xml	.xht
application/xml	.xml
application/zip	.zip
audio/3gpp	.3gp
audio/3gpp2	.3g2
audio/aac	.aac
audio/aiff	.aiff
audio/amr	.amr
audio/basic	.au
audio/ec3	.ec3
audio/l16	.lpcm
audio/mid	.mid
audio/midi	.mid
audio/mp3	.mp3
audio/mp4	.m4a
audio/MP4A-LATM	.m4a
audio/mpeg	.mp3
audio/mpegurl	.m3u
audio/mpg	.mp3
audio/vnd.dlna.adts	.adts
audio/vnd.dolby.dd-raw	.ac3
audio/wav	.wav
audio/x-aiff	.aiff
audio/x-flac	.flac
audio/x-m4a	.m4a
audio/x-m4r	.m4r
audio/x-matroska	.mka
audio/x-mid	.mid
audio/x-midi	.mid
audio/x-mp3	.mp3
audio/x-mpeg	.mp3
audio/x-mpegurl	.m3u
audio/x-mpg	.mp3
audio/x-ms-wax	.wax
audio/x-ms-wma	.wma
audio/x-wav	.wav
image/bmp	.dib
image/gif	.gif
image/jpeg	.jpg
image/jps	.jps
image/mpo	.mpo
image/pjpeg	.jpg
image/png	.png
image/pns	.pns
image/svg+xml	.svg
image/tiff	.tif
image/vnd.ms-dds	.dds
image/vnd.ms-photo	.wdp
image/x-emf	.emf
image/x-icon	.ico
image/x-png	.png
image/x-wmf	.wmf
midi/mid	.mid
model/vnd.dwfx+xps	.dwfx
model/vnd.easmx+xps	.easmx
model/vnd.edrwx+xps	.edrwx
model/vnd.eprtx+xps	.eprtx
pkcs10	.p10
pkcs7-mime	.p7m
pkcs7-signature	.p7s
pkix-cert	.cer
pkix-crl	.crl
text/calendar	.ics
text/css	.css
text/directory	.vcf
text/directory;profile=vCard	.vcf
text/html	.html
text/plain	.txt
text/scriptlet	.wsc
text/vcard	.vcf
text/x-component	.htc
text/x-ms-contact	.contact
text/x-ms-iqy	.iqy
text/x-ms-odc	.odc
text/x-ms-rqy	.rqy
text/x-vcard	.vcf
text/xml	.xml
video/3gpp	.3gpp
video/3gpp2	.3gp2
video/avi	.avi
video/mp4	.mp4
video/mpeg	.mpeg
video/mpg	.mpeg
video/msvideo	.avi
video/quicktime	.mov
video/vnd.dece.mp4	.uvu
video/vnd.dlna.mpeg-tts	.tts
video/wtv	.wtv
video/x-m4v	.m4v
video/x-matroska	.mkv
video/x-mpeg	.mpeg
video/x-mpeg2a	.mpeg
video/x-ms-asf	.asx
video/x-ms-asf-plugin	.asx
video/x-ms-dvr	.dvr-ms
video/x-ms-wm	.wm
video/x-ms-wmv	.wmv
video/x-ms-wmx	.wmx
video/x-ms-wvx	.wvx
video/x-msvideo	.avi
vnd.ms-pki.certstore	.sst
vnd.ms-pki.pko	.pko
vnd.ms-pki.seccat	.cat
x-pkcs12	.p12
x-pkcs7-certificates	.p7b
x-pkcs7-certreqresp	.p7r
application/vnd.android.package-archive	.apk
application/vnd.android.obb	.obb
x-x509-ca-cert	.cer
application/json	.json