常见文件MIME类型
.asx , video/x-ms-asf
.xml , text/xml
.tsv , text/tab-separated-values
.ra , audio/x-pn-realaudio
.sv4crc , application/x-sv4crc
.spc , application/x-pkcs7-certificates
.pmc , application/x-perfmon
.lit , application/x-ms-reader
.crd , application/x-mscardfile
.isp , application/x-internet-signup
.wmlsc , application/vnd.wap.wmlscriptc
.vst , application/vnd.visio
.xlam , application/vnd.ms-excel.addin.macroEnabled.12
.ttf , application/octet-stream
.pfm , application/octet-stream
.csv , application/octet-stream
.aaf , application/octet-stream
.one , application/onenote
.hta , application/hta
.atom , application/atom xml
.323 , text/h323
.mhtml , message/rfc822
.midi , audio/mid
.p7r , application/x-pkcs7-certreqresp

.mny , application/x-msmoney
.clp , application/x-msclip
.vsd , application/vnd.visio
.lpk , application/octet-stream
.bin , application/octet-stream
.onetoc , application/onenote
.x , application/directx
.wvx , video/x-ms-wvx
.vcf , text/x-vcard
.htc , text/x-component
.htt , text/webviewhtml
.h , text/plain
.mht , message/rfc822
.mid , audio/mid
.p7b , application/x-pkcs7-certificates
.gz , application/x-gzip
.dvi , application/x-dvi
.cpio , application/x-cpio
.vdx , application/vnd.ms-visio.viewer
.sldm , application/vnd.ms-powerpoint.slide.macroEnabled.12
.xlm , application/vnd.ms-excel
.fdf , application/vnd.fdf
.setreg , application/set-registration-initiation
.eps , application/postscript
.p7s , application/pkcs7-signature
.toc , application/octet-stream
.mdp , application/octet-stream
.ics , application/octet-stream
.chm , application/octet-stream 
.asi , application/octet-stream
.afm , application/octet-stream
.evy , application/envoy
.wmp , video/x-ms-wmp 

.qt , video/quicktime
.mpv2 , video/mpeg
.xslt , text/xml
.etx , text/x-setext
.cod , image/cis-cod
.snd , audio/basic
.au , audio/basic
.man , application/x-troff-man
.qtl , application/x-quicktimeplayer
.pmw , application/x-perfmon
.class , application/x-java-applet
.iii , application/x-iphone
.csh , application/x-csh
.z , application/x-compress
.vtx , application/vnd.visio
.vsw , application/vnd.visio
.wps , application/vnd.ms-works
.potx , application/vnd.openxmlformats-officedocument.presentationml.template
.ps , application/postscript
.p7c , application/pkcs7-mime
.thn , application/octet-stream
.mso , application/octet-stream
.dot , application/msword
.doc , application/msword
.sgml , text/sgml
.nws , message/rfc822
.pbm , image/x-portable-bitmap 

.ief , image/ief
.wav , audio/wav
.texi , application/x-texinfo
.mvb , application/x-msmediaview
.hdf , application/x-hdf
.vsx , application/vnd.visio
.dotm , application/vnd.ms-word.template.macroEnabled.12
.docm , application/vnd.ms-word.document.macroEnabled.12
.pptx , application/vnd.openxmlformats-officedocument.presentationml.presentation
.psm , application/octet-stream
.java , application/octet-stream
.eot , application/octet-stream
.jar , application/java-archive
.mpeg , video/mpeg
.xsf , text/xml
.map , text/plain
.uls , text/iuls
.rf , image/vnd.rn-realflash
.m3u , audio/x-mpegurl
.wma , audio/x-ms-wma
.aifc , audio/aiff
.mdb , application/x-msaccess
.mvc , application/x-miva-compiled
.stl , application/vnd.ms-pki.stl
.ppsx , application/vnd.openxmlformats-officedocument.presentationml.slideshow
.x