扩展文件类型

扩展名	文件类型
.xls	application/vnd.ms-excel
.xlsx	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
.doc	application/msword
.docx	application/vnd.openxmlformats-officedocument.wordprocessingml.document
.ppt	application/vnd.ms-powerpoint
.pptx	application/vnd.openxmlformats-officedocument.presentationml.presentation
.pdf	application/pdf
.vsd	application/vnd.visio
.vsdx	application/vnd.ms-visio.drawing
.zip	application/zip
.css	text/css
.js	text/javascript
.json	application/json
.html	text/html
.xml	text/xml
.py	text/plain
.txt	text/plain
.jpg	image/jpeg
.jpeg	image/jpeg
.png	image/png
.ico	image/x-icon
.svg	image/svg+xml
.gif	image/gif
.mp3	audio/mpeg
.mp4	video/mp4
.exe	application/x-msdownload
.apk	application/vnd.android.package-archive