accept="application/msexcel,application/msword,application/pdf"
<input type="file" accept="image/*" />
accept表示可以上传文件类型，image表示图片，*表示所有支持的格式。
accept可以指定如下信息：
|
*.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
|
|
*.docx
|
application/vnd.openxmlformats-officedocument.wordprocessingml.document
|
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
|
MS Excel Macro
|
|
*.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
|
aplication/zip
|
Compressed Archive
|
