*.文件类型 accept属性值 类型
3gpp audio/3gpp, video/3gpp 3GPP Audio/Video
ac3 audio/ac3 AC3 Audio
asf allpication/vnd.ms-asf Advanced Streaming Format
au audio/basic AU Audio
css text/css Cascading Style Sheets
csv text/csv Comma Separated Values
doc application/msword MS Word Document
dot application/msword MS Word Template
dtd application/xml-dtd Document Type Definition
dwg image/vnd.dwg AutoCAD Drawing Database
dxf image/vnd.dxf AutoCAD Drawing Interchange Format
gif image/gif Graphic Interchange Format
htm text/html HyperText Markup Language
html text/html HyperText Markup Language
jp2 image/jp2 JPEG-2000
jpe image/jpeg JPEG
jpeg image/jpeg JPEG
jpg image/jpeg JPEG
js text/javascript, application/javascript JavaScript
json application/json JavaScript Object Notation
mp2 audio/mpeg, video/mpeg MPEG Audio/Video Stream, Layer II
mp3 audio/mpeg MPEG Audio Stream, Layer III
mp4 audio/mp4, video/mp4 MPEG-4 Audio/Video
mpeg video/mpeg MPEG Video Stream, Layer II
mpg video/mpeg MPEG Video Stream, Layer II
mpp application/vnd.ms-project MS Project Project
ogg application/ogg, audio/ogg Ogg Vorbis
pdf application/pdf Portable Document Format
png image/png Portable Network Graphics
pot application/vnd.ms-powerpoint MS PowerPoint Template
pps application/vnd.ms-powerpoint MS PowerPoint Slideshow
ppt application/vnd.ms-powerpoint MS PowerPoint Presentation
rtf application/rtf, text/rtf Rich Text Format
svf image/vnd.svf Simple Vector Format
tif image/tiff Tagged Image Format File
tiff image/tiff Tagged Image Format File
txt text/plain Plain Text
wdb application/vnd.ms-works MS Works Database
wps application/vnd.ms-works Works Text Document
xhtml application/xhtml+xml Extensible HyperText Markup Language
xlc application/vnd.ms-excel MS Excel Chart
xlm application/vnd.ms-excel MS Excel Macro
xls application/vnd.ms-excel MS Excel Spreadsheet
xlsx application/vnd.openxmlformats-officedocument.spreadsheetml.sheet Microsoft Office EXCEL 2007/2010/2013/2016/2019
xlt application/vnd.ms-excel MS Excel Template
xlw application/vnd.ms-excel MS Excel Workspace
xml text/xml, application/xml Extensible Markup Language
zip application/zip Compressed Archive
接受所有的声音文件 audio/* ~
接受所有的视频文件 video/* ~
接受所有的图片文件 image/* ~
使用多条属性用逗号分隔，例如:application/zip,text/xml, application/xml 既为接受xml和zip类型文件
