3、HTTP content-type
HTTP content-type
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，决定浏览器将以什么形式、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。
HTTP content-type 对照表
|
文件扩展名
|
Content-Type(Mime-Type)
|
文件扩展名
|
Content-Type(Mime-Type)
|
|
.*（ 二进制流，不知道下载文件类型）
|
application/octet-stream
|
.tif
|
image/tiff
|
|
.001
|
application/x-001
|
.301
|
application/x-301
|
|
.323
|
text/h323
|
.906
|
application/x-906
|
|
.907
|
drawing/907
|
.a11
|
application/x-a11
|
|
.acp
|
audio/x-mei-aac
|
.ai
|
application/postscript
|
|
.aif
|
audio/aiff
|
.aifc
|
audio/aiff
|
|
.aiff
|
audio/aiff
|
.anv
|
application/x-anv
|
|
.asa
|
text/asa
|
.asf
|
video/x-ms-asf
|
|
.asp
|
text/asp
|
.asx
|
video/x-ms-asf
|
|
.au
|
audio/basic
|
.avi
|
video/avi
|
|
.awf
|
application/vnd.adobe.workflow
|
.biz
|
text/xml
|
|
.bmp
|
application/x-bmp
|
.bot
|
application/x-bot
|
|
.c4t
|
application/x-c4t
|
.c90
|
application/x-c90
|
|
.cal
|
application/x-cals
|
.cat
|
application/vnd.ms-pki.seccat
|
|
.cdf
|
application/x-netcdf
|
.cdr
|
application/x-cdr
|
|
.cel
|
application/x-cel
|
.cer
|
application/x-x509-ca-cert
|
|
.cg4
|
application/x-g4
|
.cgm
|
application/x-cgm
|
|
.cit
|
application/x-cit
|
.class
|
java/*
|
|
.cml
|
text/xml
|
.cmp
|
application/x-cmp
|
|
.cmx
|
application/x-cmx
|
.cot
|
application/x-cot
|
|
.crl
|
application/pkix-crl
|
.crt
|
application/x-x509-ca-cert
|
|
.csi
|
application/x-csi
|
.css
|
text/css
|
|
.cut
|
application/x-cut
|
.dbf
|
application/x-dbf
|
|
.dbm
|
application/x-dbm
|
.dbx
|
application/x-dbx
|
|
.dcd
|
text/xml
|
.dcx
|
application/x-dcx
|
|
.der
|
application/x-x509-ca-cert
|
.dgn
|
application/x-dgn
|
|
.dib
|
application/x-dib
|
.dll
|
application/x-msdownload
|
|
.doc
|
application/msword
|
.dot
|
application/msword
|
|
.drw
|
application/x-drw
|
.dtd
|
text/xml
|
|
.dwf
|
Model/vnd.dwf
|
.dwf
|
application/x-dwf
|
|
.dwg
|
application/x-dwg
|
.dxb
|
application/x-dxb
|
|
.dxf
|
application/x-dxf
|
.edn
|
application/vnd.adobe.edn
|
|
.emf
|
application/x-emf
|
.eml
|
message/rfc822
|
|
.ent
|
text/xml
|
.epi
|
application/x-epi
|
|
.eps
|
application/x-ps
|
.eps
|
application/postscript
|
|
.etd
|
application/x-ebx
|
.exe
|
application/x-msdownload
|
|
.fax
|
image/fax
|
.fdf
|
application/vnd.fdf
|
|
.fif
|
application/fractals
|
.fo
|
text/xml
|
|
.frm
|
application/x-frm
|
.g4
|
application/x-g4
|
|
.gbr
|
application/x-gbr
|
.
|
application/x-
|
|
.gif
|
image/gif
|
.gl2
|
application/x-gl2
|
|
.gp4
|
application/x-gp4
|
.hgl
|
application/x-hgl
|
|
.hmr
|
application/x-hmr
|
.hpg
|
application/x-hpgl
|
|
.hpl
|
application/x-hpl
|
.hqx
|
application/mac-binhex40
|
|
.hrf
|
application/x-hrf
|
.hta
|
application/hta
|
|
.htc
|
text/x-component
|
.htm
|
text/html
|
|
.html
|
text/html
|
.htt
|
text/webviewhtml
|
|
.htx
|
text/html
|
.icb
|
application/x-icb
|
|
.ico
|
image/x-icon
|
.ico
|
application/x-ico
|
|
.iff
|
application/x-iff
|
.ig4
|
application/x-g4
|
|
.igs
|
application/x-igs
|
.iii
|
application/x-iphone
|
|
.img
|
application/x-img
|
.ins
|
application/x-internet-signup
|
|
.isp
|
application/x-internet-signup
|
.IVF
|
video/x-ivf
|
|
.java
|
java/*
|
.jfif
|
image/jpeg
|
|
.jpe
|
image/jpeg
|
.jpe
|
application/x-jpe
|
|
.jpeg
|
image/jpeg
|
.jpg
|
image/jpeg
|
|
.jpg
|
application/x-jpg
|
.js
|
application/x-javascript
|
|
.jsp
|
text/html
|
.la1
|
audio/x-liquid-file
|
|
.lar
|
application/x-laplayer-reg
|
.latex
|
application/x-latex
|
|
.lavs
|
audio/x-liquid-secure
|
.lbm
|
application/x-lbm
|
|
.lmsff
|
audio/x-la-lms
|
.ls
|
application/x-javascript
|
|
.ltr
|
application/x-ltr
|
.m1v
|
video/x-mpeg
|
|
.m2v
|
video/x-mpeg
|
.m3u
|
audio/mpegurl
|
|
.m4e
|
video/mpeg4
|
.mac
|
application/x-mac
|
|
.man
|
application/x-troff-man
|
.math
|
text/xml
|
|
.mdb
|
application/msaccess
|
.mdb
|
application/x-mdb
|
|
.mfp
|
application/x-shockwave-flash
|
.mht
|
message/rfc822
|
|
.mhtml
|
message/rfc822
|
.mi
|
application/x-mi
|
|
.mid
|
audio/mid
|
.midi
|
audio/mid
|
|
.mil
|
application/x-mil
|
.mml
|
text/xml
|
|
.mnd
|
audio/x-musicnet-download
|
.mns
|
audio/x-musicnet-stream
|
|
.mocha
|
application/x-javascript
|
.movie
|
video/x-sgi-movie
|
|
.mp1
|
audio/mp1
|
.mp2
|
audio/mp2
|
|
.mp2v
|
video/mpeg
|
.mp3
|
audio/mp3
|
|
.mp4
|
video/mpeg4
|
.mpa
|
video/x-mpg
|
|
.mpd
|
application/vnd.ms-project
|
.mpe
|
video/x-mpeg
|
|
.mpeg
|
video/mpg
|
.mpg
|
video/mpg
|
|
.mpga
|
audio/rn-mpeg
|
.mpp
|
application/vnd.ms-project
|
|
.mps
|
video/x-mpeg
|
.mpt
|
application/vnd.ms-project
|
|
.mpv
|
video/mpg
|
.mpv2
|
video/mpeg
|
|
.mpw
|
application/vnd.ms-project
|
.mpx
|
application/vnd.ms-project
|
|
.mtx
|
text/xml
|
.mxp
|
application/x-mmxp
|
|
.net
|
image/pnetvue
|
.nrf
|
application/x-nrf
|
|
.nws
|
message/rfc822
|
.odc
|
text/x-ms-odc
|
|
.out
|
application/x-out
|
.p10
|
application/pkcs10
|
|
.p12
|
application/x-pkcs12
|
.p7b
|
application/x-pkcs7-certificates
|
|
.p7c
|
application/pkcs7-mime
|
.p7m
|
application/pkcs7-mime
|
|
.p7r
|
application/x-pkcs7-certreqresp
|
.p7s
|
application/pkcs7-signature
|
|
.pc5
|
application/x-pc5
|
.pci
|
application/x-pci
|
|
.pcl
|
application/x-pcl
|
.pcx
|
application/x-pcx
|
|
.pdf
|
application/pdf
|
.pdf
|
application/pdf
|
|
.pdx
|
application/vnd.adobe.pdx
|
.pfx
|
application/x-pkcs12
|
|
.pgl
|
application/x-pgl
|
.pic
|
application/x-pic
|
|
.pko
|
application/vnd.ms-pki.pko
|
.pl
|
application/x-perl
|
|
.plg
|
text/html
|
.pls
|
audio/scpls
|
|
.plt
|
application/x-plt
|
.png
|
image/png
|
|
.png
|
application/x-png
|
.pot
|
application/vnd.ms-powerpoint
|
|
.ppa
|
application/vnd.ms-powerpoint
|
.ppm
|
application/x-ppm
|
|
.pps
|
application/vnd.ms-powerpoint
|
.ppt
|
application/vnd.ms-powerpoint
|
|
.ppt
|
application/x-ppt
|
.pr
|
application/x-pr
|
|
.prf
|
application/pics-rules
|
.prn
|
application/x-prn
|
|
.prt
|
application/x-prt
|
.ps
|
application/x-ps
|
|
.ps
|
application/postscript
|
.ptn
|
application/x-ptn
|
|
.pwz
|
application/vnd.ms-powerpoint
|
.r3t
|
text/vnd.rn-realtext3d
|
|
.ra
|
audio/vnd.rn-realaudio
|
.ram
|
audio/x-pn-realaudio
|
|
.ras
|
application/x-ras
|
.rat
|
application/rat-file
|
|
.rdf
|
text/xml
|
.rec
|
application/vnd.rn-recording
|
|
.red
|
application/x-red
|
.rgb
|
application/x-rgb
|
|
.rjs
|
application/vnd.rn-realsystem-rjs
|
.rjt
|
application/vnd.rn-realsystem-rjt
|
|
.rlc
|
application/x-rlc
|
.rle
|
application/x-rle
|
|
.rm
|
application/vnd.rn-realmedia
|
.rmf
|
application/vnd.adobe.rmf
|
|
.rmi
|
audio/mid
|
.rmj
|
application/vnd.rn-realsystem-rmj
|
|
.rmm
|
audio/x-pn-realaudio
|
.rmp
|
application/vnd.rn-rn_music_package
|
|
.rms
|
application/vnd.rn-realmedia-secure
|
.rmvb
|
application/vnd.rn-realmedia-vbr
|
|
.rmx
|
application/vnd.rn-realsystem-rmx
|
.rnx
|
application/vnd.rn-realplayer
|
|
.rp
|
image/vnd.rn-realpix
|
.rpm
|
audio/x-pn-realaudio-plugin
|
|
.rsml
|
application/vnd.rn-rsml
|
.rt
|
text/vnd.rn-realtext
|
|
.rtf
|
application/msword
|
.rtf
|
application/x-rtf
|
|
.rv
|
video/vnd.rn-realvideo
|
.sam
|
application/x-sam
|
|
.sat
|
application/x-sat
|
.sdp
|
application/sdp
|
|
.sdw
|
application/x-sdw
|
.sit
|
application/x-stuffit
|
|
.slb
|
application/x-slb
|
.sld
|
application/x-sld
|
|
.slk
|
drawing/x-slk
|
.smi
|
application/smil
|
|
.smil
|
application/smil
|
.smk
|
application/x-smk
|
|
.snd
|
audio/basic
|
.sol
|
text/plain
|
|
.sor
|
text/plain
|
.spc
|
application/x-pkcs7-certificates
|
|
.spl
|
application/futuresplash
|
.spp
|
text/xml
|
|
.ssm
|
application/streamingmedia
|
.sst
|
application/vnd.ms-pki.certstore
|
|
.stl
|
application/vnd.ms-pki.stl
|
.stm
|
text/html
|
|
.sty
|
application/x-sty
|
.svg
|
text/xml
|
|
.swf
|
application/x-shockwave-flash
|
.tdf
|
application/x-tdf
|
|
.tg4
|
application/x-tg4
|
.tga
|
application/x-tga
|
|
.tif
|
image/tiff
|
.tif
|
application/x-tif
|
|
.tiff
|
image/tiff
|
.tld
|
text/xml
|
|
.top
|
drawing/x-top
|
.torrent
|
application/x-bittorrent
|
|
.tsd
|
text/xml
|
.txt
|
text/plain
|
|
.uin
|
application/x-icq
|
.uls
|
text/iuls
|
|
.vcf
|
text/x-vcard
|
.vda
|
application/x-vda
|
|
.vdx
|
application/vnd.visio
|
.vml
|
text/xml
|
|
.vpg
|
application/x-vpeg005
|
.vsd
|
application/vnd.visio
|
|
.vsd
|
application/x-vsd
|
.vss
|
application/vnd.visio
|
|
.vst
|
application/vnd.visio
|
.vst
|
application/x-vst
|
|
.vsw
|
application/vnd.visio
|
.vsx
|
application/vnd.visio
|
|
.vtx
|
application/vnd.visio
|
.vxml
|
text/xml
|
|
.wav
|
audio/wav
|
.wax
|
audio/x-ms-wax
|
|
.wb1
|
application/x-wb1
|
.wb2
|
application/x-wb2
|
|
.wb3
|
application/x-wb3
|
.wbmp
|
image/vnd.wap.wbmp
|
|
.wiz
|
application/msword
|
.wk3
|
application/x-wk3
|
|
.wk4
|
application/x-wk4
|
.wkq
|
application/x-wkq
|
|
.wks
|
application/x-wks
|
.wm
|
video/x-ms-wm
|
|
.wma
|
audio/x-ms-wma
|
.wmd
|
application/x-ms-wmd
|
|
.wmf
|
application/x-wmf
|
.wml
|
text/vnd.wap.wml
|
|
.wmv
|
video/x-ms-wmv
|
.wmx
|
video/x-ms-wmx
|
|
.wmz
|
application/x-ms-wmz
|
.wp6
|
application/x-wp6
|
|
.wpd
|
application/x-wpd
|
.wpg
|
application/x-wpg
|
|
.wpl
|
application/vnd.ms-wpl
|
.wq1
|
application/x-wq1
|
|
.wr1
|
application/x-wr1
|
.wri
|
application/x-wri
|
|
.wrk
|
application/x-wrk
|
.ws
|
application/x-ws
|
|
.ws2
|
application/x-ws
|
.wsc
|
text/scriptlet
|
|
.wsdl
|
text/xml
|
.wvx
|
video/x-ms-wvx
|
|
.xdp
|
application/vnd.adobe.xdp
|
.xdr
|
text/xml
|
|
.xfd
|
application/vnd.adobe.xfd
|
.xfdf
|
application/vnd.adobe.xfdf
|
|
.xhtml
|
text/html
|
.xls
|
application/vnd.ms-excel
|
|
.xls
|
application/x-xls
|
.xlw
|
application/x-xlw
|
|
.xml
|
text/xml
|
.xpl
|
audio/scpls
|
|
.xq
|
text/xml
|
.xql
|
text/xml
|
|
.xquery
|
text/xml
|
.xsd
|
text/xml
|
|
.xsl
|
text/xml
|
.xslt
|
text/xml
|
|
.xwd
|
application/x-xwd
|
.x_b
|
application/x-x_b
|
|
.sis
|
application/vnd.symbian.install
|
.sisx
|
application/vnd.symbian.install
|
|
.x_t
|
application/x-x_t
|
.ipa
|
application/vnd.iphone
|
|
.apk
|
application/vnd.android.package-archive
|
.xap
|
application/x-silverlight-app
|
