HTML 标签的 accept 属性

<form>
  <input type="file" name="pic" id="pic" accept="image/gif, image/jpeg" />
</form>

accept 属性只能与 <input type="file"> 配合使用。它规定能够通过文件上传进行提交的文件类型。

值	描述
audio/*	接受所有的声音文件。
video/*	接受所有的视频文件。
image/*	接受所有的图像文件。
mime_type	一个有效的 mime 类型，不带参数。请参阅 iana mime 类型，获得标准 mime 类型的完整列表。

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
*.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
*.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

 

除了以上的类型外，2007后各文档如docx需配置的accept属性值如下：
extension mime type
.xlsx application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
.xltx application/vnd.openxmlformats-officedocument.spreadsheetml.template
.potx application/vnd.openxmlformats-officedocument.presentationml.template
.ppsx application/vnd.openxmlformats-officedocument.presentationml.slideshow
.pptx application/vnd.openxmlformats-officedocument.presentationml.presentation
.sldx application/vnd.openxmlformats-officedocument.presentationml.slide
.docx application/vnd.openxmlformats-officedocument.wordprocessingml.document
.dotx application/vnd.openxmlformats-officedocument.wordprocessingml.template
.xlsm application/vnd.ms-excel.addin.macroenabled.12
.xlsb application/vnd.ms-excel.sheet.binary.macroenabled.12