input的file类型的accept属性的值

属性值

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。

在上传文件的时候，需要限制指定的文件类型，accept这个属性，只在FF和chrome中有效。那么accept能限制哪些文件呢？见下表。

扩展名 MIME 描述

*.3gppaudio/3gpp, video/3gpp3GPP Audio/Video*.ac3audio/ac3AC3 Audio*.asfallpication/vnd.ms-asfAdvanced Streaming Format*.auaudio/basicAU Audio*.csstext/cssCascading Style Sheets*.csvtext/csvComma Separated Values*.docapplication/mswordMS Word Document*.dotapplication/mswordMS Word Template*.dtdapplication/xml-dtdDocument Type Definition*.dwgimage/vnd.dwgAutoCAD Drawing Database*.dxfimage/vnd.dxfAutoCAD Drawing Interchange Format*.gifimage/gifGraphic Interchange Format*.htmtext/htmlHyperText Markup Language*.htmltext/htmlHyperText Markup Language*.jp2image/jp2JPEG-2000*.jpeimage/jpegJPEG*.jpegimage/jpegJPEG*.jpgimage/jpegJPEG*.jstext/javascript, application/javascriptJavaScript*.jsonapplication/jsonJavaScript Object Notation*.mp2audio/mpeg, video/mpegMPEG Audio/Video Stream, Layer II*.mp3audio/mpegMPEG Audio Stream, Layer III*.mp4audio/mp4, video/mp4MPEG-4 Audio/Video*.mpegvideo/mpegMPEG Video Stream, Layer II*.mpgvideo/mpegMPEG Video Stream, Layer II*.mppapplication/vnd.ms-projectMS Project Project*.oggapplication/ogg, audio/oggOgg Vorbis*.pdfapplication/pdfPortable Document Format*.pngimage/pngPortable Network Graphics*.potapplication/vnd.ms-powerpointMS PowerPoint Template*.ppsapplication/vnd.ms-powerpointMS PowerPoint Slideshow*.pptapplication/vnd.ms-powerpointMS PowerPoint Presentation*.rtfapplication/rtf, text/rtfRich Text Format*.svfimage/vnd.svfSimple Vector Format*.tifimage/tiffTagged Image Format File*.tiffimage/tiffTagged Image Format File*.txttext/plainPlain Text*.wdbapplication/vnd.ms-worksMS Works Database*.wpsapplication/vnd.ms-worksWorks Text Document*.xhtmlapplication/xhtml+xmlExtensible HyperText Markup Language*.xlcapplication/vnd.ms-excelMS Excel Chart*.xlmapplication/vnd.ms-excelMS Excel Macro*.xlsapplication/vnd.ms-excelMS Excel Spreadsheet*.xltapplication/vnd.ms-excelMS Excel Template*.xlwapplication/vnd.ms-excelMS Excel Workspace*.xmltext/xml, application/xmlExtensible Markup Language*.zipaplication/zipCompressed Archive

实例 :

1.accept="image/gif, image/jpeg"

2.accept="application/msword"
3.accept="application/pdf"
4.accept="application/poscript"
5.accept="application/rtf"
6.accept="application/x-zip-compressed"
7.accept="audio/basic"
8.accept="audio/x-aiff"
9.accept="audio/x-mpeg"
10.accept="audio/x-pn/realaudio"
11.accept="audio/x-waw"
12.accept="image/gif"
13.accept="image/jpeg"
14.accept="image/tiff"
15.accept="image/x-ms-bmp"
16.accept="image/x-photo-cd"
17.accept="image/x-png"
18.accept="image/x-portablebitmap"
19.accept="image/x-portable-greymap"
20.accept="image/x-portable-pixmap"
21.accept="image/x-rgb"
22.accept="text/html"
23.accept="text/plain"
24.accept="video/quicktime"
25.accept="video/x-mpeg2"
26.accept="video/x-msvideo"

office办公软件的升级版各文档的后缀名，如docx、xlsx

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