accept属性设置 <input type="file" accept="image/*" />
accept属性设置 <input type="file" accept="image/*" /> 限制单个或多个文件类型在上传文件的时候,需要限制指定的文件类型。
<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。
文件类型写法解释
*.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
示例我们要上传TXT
.txt结尾的所有文件
<input type="file" accept="text/plain" />
如果有多个,以“,”分割即可
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