原文地址：http://www.cnblogs.com/SingleCat/p/5141716.html
Content-Type氏仗，內(nèi)容類型歧焦，一般是指網(wǎng)頁(yè)中存在的Content-Type，用于定 義網(wǎng)絡(luò)文件的類型和網(wǎng)頁(yè)的編碼丐一，決定瀏覽器將以什么形式、什么編碼讀取這個(gè)文件，比如用PHP輸出圖片文件门岔、JSON數(shù)據(jù)、XML文件等非HTML內(nèi)容 時(shí)烤送，就必須用header函數(shù)來(lái)指定Content-Type寒随，才能達(dá)到輸出一張圖片或是其它指定內(nèi)容類型的需求。
Application Type
文件擴(kuò)展名 Content-Type(Mime-Type) 描述
. application/x-
.* application/octet-stream 二進(jìn)制流帮坚，不知道下載文件類型
.pdf application/pdf PDF（Portable Document Format的簡(jiǎn)稱妻往，意為“便攜式文件格式”）
.ai application/postscript PostScript（PS）是主要用于電子產(chǎn)業(yè)和桌面出版領(lǐng)域的一種頁(yè)面描述語(yǔ)言和編程語(yǔ)言。
.xml application/atom+xml Atom feeds
.js application/ecmascript 相當(dāng)于application/javascript但是嚴(yán)格的處理規(guī)則
.edi application/EDI-X12 EDI ANSI ASC X12數(shù)據(jù)
.edi application/EDIFACT EDI EDIFACT數(shù)據(jù)
.json application/json JSON（JavaScript Object Notation）
.js application/javascript ECMAScript/JavaScript（相當(dāng)于application/ecmascript但是寬松的處理規(guī)則）
.ogg application/ogg Ogg, 視頻文件格式
.rdf application/rdf+xml 資源描述框架（Resource Description Framework试和，縮寫(xiě) RDF）讯泣，是萬(wàn)維網(wǎng)聯(lián)盟（W3C）提出的一組標(biāo)記語(yǔ)言的技術(shù)標(biāo)準(zhǔn)，以便更為豐富地描述和表達(dá)網(wǎng)絡(luò)資源的內(nèi)容與結(jié)構(gòu)阅悍。
.xml application/rss+xml RSS（Really Simple Syndication,簡(jiǎn)易信息聚合）是一種消息來(lái)源格式規(guī)范好渠，用以聚合經(jīng)常發(fā)布更新數(shù)據(jù)的網(wǎng)站，例如博客文章节视、新聞拳锚、音頻或視頻的網(wǎng)摘
.xml application/soap+xml 簡(jiǎn)單對(duì)象訪問(wèn)協(xié)議（SOAP，全寫(xiě)為Simple Object Access Protocol）是交換數(shù)據(jù)的一種協(xié)議規(guī)范肴茄，使用在計(jì)算機(jī)網(wǎng)絡(luò)Web服務(wù)（web service）中晌畅，交換帶結(jié)構(gòu)信息。
.woff application/font-woff Web開(kāi)放字體格式（Web Open Font Format寡痰，簡(jiǎn)稱WOFF）是一種網(wǎng)頁(yè)所采用的字體格式標(biāo)準(zhǔn)抗楔。（推薦使用棋凳；使用application/x-font-woff直到它變?yōu)楣俜綐?biāo)準(zhǔn)）
.xhtml application/xhtml+xml 可擴(kuò)展超文本標(biāo)記語(yǔ)言（eXtensible HyperText Markup Language，XHTML）连躏，是一種標(biāo)記語(yǔ)言剩岳，表現(xiàn)方式與超文本標(biāo)記語(yǔ)言（HTML）類似，不過(guò)語(yǔ)法上更加嚴(yán)格入热。
.xml application/xml 可擴(kuò)展標(biāo)記語(yǔ)言（英語(yǔ)：eXtensible Markup Language拍棕，簡(jiǎn)稱: XML），是一種標(biāo)記語(yǔ)言勺良。
.dtd application/xml-dtd XML文件的文件型別定義（Document Type Definition）可以看成一個(gè)或者多個(gè)XML文件的模板绰播，在這里可以定義XML文件中的元素尚困、元素的屬性谬泌、元素的排列方式、元素包含的內(nèi)容等等。
.xml application/xop+xml 二進(jìn)制優(yōu)化封裝協(xié)議(Xmlbinary Optimized Packaging)
.zip application/zip ZIP壓縮文件
.gzip application/gzip Gzip是若干種文件壓縮程序的簡(jiǎn)稱，通常指GNU計(jì)劃的實(shí)現(xiàn)拘悦，此處的gzip代表GNU zip。
.xls application/x-xls XLS 就是 Microsoft Excel 工作表屁桑，是一種非常常用的電子表格格式。
.001 application/x-001
.301 application/x-301
.906 application/x-906
.a11 application/x-a11
.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
.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
.cmx application/x-cmx
.crl application/pkix-crl
.csi application/x-csi
.cut application/x-cut
.dbm application/x-dbm
.cmp application/x-cmp
.cot application/x-cot
.crt application/x-x509-ca-cert
.dbf application/x-dbf
.dbx application/x-dbx
.dcx application/x-dcx
.dgn application/x-dgn
.dll application/x-msdownload
.dot application/msword
.der application/x-x509-ca-cert
.dib application/x-dib
.doc application/msword
.drw application/x-drw
.dwf application/x-dwf
.dxb application/x-dxb
.edn application/vnd.adobe.edn
.dwg application/x-dwg
.dxf application/x-dxf
.emf application/x-emf
.epi application/x-epi
.eps application/postscript
.exe application/x-msdownload
.fdf application/vnd.fdf
.eps application/x-ps
.etd application/x-ebx
.fif application/fractals
.frm application/x-frm
.gbr application/x-gbr
.g4 application/x-g4
.gl2 application/x-gl2
.hgl application/x-hgl
.hpg application/x-hpgl
.hqx application/mac-binhex40
.hta application/hta
.gp4 application/x-gp4
.hmr application/x-hmr
.hpl application/x-hpl
.hrf application/x-hrf
.icb application/x-icb
.ico application/x-ico
.ig4 application/x-g4
.iii application/x-iphone
.ins application/x-internet-signup
.iff application/x-iff
.igs application/x-igs
.img application/x-img
.isp application/x-internet-signup
.jpe application/x-jpe
.js application/x-javascript
.jpg application/x-jpg
.lar application/x-laplayer-reg
.latex application/x-latex
.lbm application/x-lbm
.ls application/x-javascript
.ltr application/x-ltr
.man application/x-troff-man
.mdb application/msaccess
.mac application/x-mac
.mdb application/x-mdb
.mfp application/x-shockwave-flash
.mi application/x-mi
.mil application/x-mil
.mocha application/x-javascript
.mpd application/vnd.ms-project
.mpp application/vnd.ms-project
.mpt application/vnd.ms-project
.mpw application/vnd.ms-project
.mpx application/vnd.ms-project
.mxp application/x-mmxp
.nrf application/x-nrf
.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
.pdx application/vnd.adobe.pdx
.pgl application/x-pgl
.pko application/vnd.ms-pki.pko
.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
.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 RealAudio是一種由RealNetworks發(fā)展的RealMedia多媒體音頻文件格式，僅指RealPlayer中能夠識(shí)別的音頻文件，也可以理解為real格式的音頻文件宰睡。
.ras application/x-ras
.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
.red application/x-red
.rjs application/vnd.rn-realsystem-rjs
.rlc application/x-rlc
.rm application/vnd.rn-realmedia
.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
.rms application/vnd.rn-realmedia-secure
.rmx application/vnd.rn-realsystem-rmx
.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
.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
.smil application/smil
.spc application/x-pkcs7-certificates
.spl application/futuresplash
.ssm application/streamingmedia
.stl application/vnd.ms-pki.stl
.sst application/vnd.ms-pki.certstore
.tdf application/x-tdf
.tga application/x-tga
.sty application/x-sty
.swf application/x-shockwave-flash
.tg4 application/x-tg4
.tif application/x-tif
.vdx application/vnd.visio
.vpg application/x-vpeg005
.vsd application/x-vsd
.vst application/vnd.visio
.vsw application/vnd.visio
.vtx application/vnd.visio
.torrent application/x-bittorrent
.vda application/x-vda
.vsd application/vnd.visio
.vss application/vnd.visio
.vst application/x-vst
.vsx application/vnd.visio
.wb1 application/x-wb1
.wb3 application/x-wb3
.wiz application/msword
.wk4 application/x-wk4
.wks application/x-wks
.wb2 application/x-wb2
.wk3 application/x-wk3
.wkq application/x-wkq
.wmf application/x-wmf
.wmd application/x-ms-wmd
.wp6 application/x-wp6
.wpg application/x-wpg
.wq1 application/x-wq1
.wri application/x-wri
.ws application/x-ws
.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
.xdp application/vnd.adobe.xdp
.xfd application/vnd.adobe.xfd
.xfdf application/vnd.adobe.xfdf
.xls application/vnd.ms-excel
.xwd application/x-xwd
.sis application/vnd.symbian.install
.x_t application/x-x_t
.apk application/vnd.android.package-archive
.x_b application/x-x_b
.sisx application/vnd.symbian.install
.ipa application/vnd.iphone
.xap application/x-silverlight-app
.xlw application/x-xlw
.xpl audio/scpls
.anv application/x-anv
.uin application/x-icq
Text Type
文件擴(kuò)展名 Content-Type(Mime-Type) 描述
.323 text/h323
.biz text/xml
.cml text/xml
.asa text/asa
.asp text/asp
.css text/css 層疊樣式表（英語(yǔ)：Cascading Style Sheets刻肄，簡(jiǎn)寫(xiě)CSS），又稱串樣式列表、層次結(jié)構(gòu)式樣式表文件，一種用來(lái)為結(jié)構(gòu)化文檔（如HTML文檔或XML應(yīng)用）添加樣式（字體、間距和顏色等）的計(jì)算機(jī)語(yǔ)言欢搜，由W3C定義和維護(hù)第步。
.csv text/csv 逗號(hào)分隔值（Comma-Separated Values廓推，CSV堆生，有時(shí)也稱為字符分隔值，因?yàn)榉指糇址部梢圆皇嵌禾?hào)），其文件以純文本形式存儲(chǔ)表格數(shù)據(jù)（數(shù)字和文本）桥温。
.dcd text/xml
.dtd text/xml
.ent text/xml
.fo text/xml
.htc text/x-component
.html text/html
.htx text/html
.htm text/html
.htt text/webviewhtml
.jsp text/html
.math text/xml
.mml text/xml
.mtx text/xml
.plg text/html
.rdf text/xml
.rt text/vnd.rn-realtext
.sol text/plain
.spp text/xml
.stm text/html
.svg text/xml
.tld text/xml
.txt text/plain 純文字內(nèi)容
.uls text/iuls
.vml text/xml
.tsd text/xml
.vcf text/x-vcard
.vxml text/xml
.wml text/vnd.wap.wml
.wsdl text/xml
.wsc text/scriptlet
.xdr text/xml
.xql text/xml
.xsd text/xml
.xslt text/xml
.xml text/xml
.xq text/xml
.xquery text/xml
.xsl text/xml
.xhtml text/html
.odc text/x-ms-odc
.r3t text/vnd.rn-realtext3d
.sor text/plain
Audio Type
文件擴(kuò)展名 Content-Type(Mime-Type) 描述
.acp audio/x-mei-aac
.aif audio/aiff
.aiff audio/aiff
.aifc audio/aiff
.au audio/basic
.la1 audio/x-liquid-file
.lavs audio/x-liquid-secure
.lmsff audio/x-la-lms
.m3u audio/mpegurl
.midi audio/mid
.mid audio/mid
.mp2 audio/mp2
.mp3 audio/mp3
.mp4 audio/mp4 MP4脓魏，全稱MPEG-4 Part 14，是一種使用MPEG-4的多媒體計(jì)算機(jī)文件格式通惫，擴(kuò)展名為.mp4茂翔，以存儲(chǔ)數(shù)字音頻及數(shù)字視頻為主。
.mnd audio/x-musicnet-download
.mp1 audio/mp1
.mns audio/x-musicnet-stream
.mpga audio/rn-mpeg
.pls audio/scpls
.ram audio/x-pn-realaudio
.rmi audio/mid
.rmm audio/x-pn-realaudio
.snd audio/basic
.wav audio/wav
.wax audio/x-ms-wax
.wma audio/x-ms-wma
Video Type
文件擴(kuò)展名 Content-Type(Mime-Type) 描述
.asf video/x-ms-asf
.asx video/x-ms-asf
.avi video/avi
.IVF video/x-ivf
.m1v video/x-mpeg
.m2v video/x-mpeg
.m4e video/mpeg4
.movie video/x-sgi-movie
.mp2v video/mpeg
.mp4 video/mpeg4 MP4履腋，全稱MPEG-4 Part 14珊燎，是一種使用MPEG-4的多媒體計(jì)算機(jī)文件格式惭嚣，擴(kuò)展名為.mp4，以存儲(chǔ)數(shù)字音頻及數(shù)字視頻為主悔政。
.mpa video/x-mpg
.mpe video/x-mpeg
.mpg video/mpg
.mpeg video/mpg
.mps video/x-mpeg
.mpv video/mpg
.mpv2 video/mpeg
.wm video/x-ms-wm
.wmv video/x-ms-wmv
.wmx video/x-ms-wmx
.wvx video/x-ms-wvx
Image Type
文件擴(kuò)展名 Content-Type(Mime-Type) 描述
.tif image/tiff 標(biāo)簽圖像文件格式（Tagged Image File Format晚吞，簡(jiǎn)寫(xiě)為T(mén)IFF）是一種主要用來(lái)存儲(chǔ)包括照片和藝術(shù)圖在內(nèi)的圖像的文件格式。它最初由Aldus公司與微軟公司一起為PostScript打印開(kāi)發(fā)谋国。
.fax image/fax
.gif image/gif 圖像互換格式（GIF槽地，Graphics Interchange Format）是一種位圖圖形文件格式，以8位色（即256種顏色）重現(xiàn)真彩色的圖像芦瘾。
.ico image/x-icon
.jfif image/jpeg
.jpe image/jpeg
.jpeg image/jpeg JPEG是一種針對(duì)相片圖像而廣泛使用的一種有損壓縮標(biāo)準(zhǔn)方法捌蚊。
.jpg image/jpeg
.net image/pnetvue
.png image/png 便攜式網(wǎng)絡(luò)圖形（Portable Network Graphics，PNG）是一種無(wú)損壓縮的位圖圖形格式近弟，支持索引缅糟、灰度、RGB三種顏色方案以及Alpha通道等特性祷愉。
.rp image/vnd.rn-realpix
.tif image/tiff
.tiff image/tiff
.wbmp image/vnd.wap.wbmp
Message Type
文件擴(kuò)展名 Content-Type(Mime-Type) 描述
.eml message/rfc822
.mht message/rfc822
.mhtml message/rfc822
.nws message/rfc822
Drawing Type
文件擴(kuò)展名 Content-Type(Mime-Type) 描述
.907 drawing/907
.slk drawing/x-slk
.top drawing/x-top
Java Type
文件擴(kuò)展名 Content-Type(Mime-Type) 描述
.class java/*
.java java/*
Other Type
文件擴(kuò)展名 Content-Type(Mime-Type) 描述
.dwf Model/vnd.dwf
