Content-Type(MIME)用于标识发送或接收数据的类型,浏览器根据该参数来决定数据的打开方式。多用于指定一些客户端自定义的文件,以及一些媒体文件的打开方式。

OSS默认自动识别文件类型。例如上传的文件类型为.jpg,OSS会自动将该文件识别为图片文件。您可以通过控制台图形化工具ossbrowser命令行工具ossutil、各语言SDK例如Java SDKPython SDKPHP SDKGo SDK等方式来修改文件类型。

常见Content-Type(MIME)列表如下:

文件扩展名 Content-Type(Mime-Type) 文件扩展名 Content-Type(Mime-Type)
(二进制流,未知的文件类型) application/octet-stream .tif image/tiff
0.001 application/x-001 0.301 application/x-301
0.323 text/h323 0.906 application/x-906
0.907 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
.apk application/vnd.android.package-archive .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
.docx application/vnd.openxmlformats-officedocument.wordprocessingml.document .dot application/msword
.dotx application/vnd.openxmlformats-officedocument.wordprocessingml.template .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 .ipa application/vnd.iphone
.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/mp4 .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 .pdb chemical/x-pdb
.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
.potx application/vnd.openxmlformats-officedocument.presentationml.template .ppa application/vnd.ms-powerpoint
.ppm application/x-ppm .pps application/vnd.ms-powerpoint
.ppsx application/vnd.openxmlformats-officedocument.presentationml.slideshow .ppt application/vnd.ms-powerpoint
.ppt application/x-ppt . pptx application/vnd.openxmlformats-officedocument.presentationml.presentation
.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
.sis application/vnd.symbian.install .sisx application/vnd.symbian.install
.sit application/x-stuffit .slb application/x-slb
.sld application/x-sld .sldx application/vnd.openxmlformats-officedocument.presentationml.slide
.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 image/svg+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
.xap application/x-silverlight-app .x_b application/x-x_b
.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 .xlsx application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
.xltx application/vnd.openxmlformats-officedocument.spreadsheetml.template .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_t application/x-x_t
.yaml text/vnd.yaml .yml text/vnd.yml
.webp image/webp