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

Content-type对照表