accept的⽂件类型通过accept可以限定打开⽂件选择对话框后，默认能选择的⽂件类型
*.3gpp audio/3gpp， video/3gpp 3GPP Audio/Video
四川辣椒酱*.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安全监管责任
*.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 Databa
*.dxf image/vnd.dxf AutoCAD Drawing Interchange Format雨落长安
*.gif image/gif Graphic Interchange Format
*.htm text/html HyperText Markup Language
*.html text/html HyperText Markup Language
*.jp2 image/jp2 JPEG-2000
红包花灯制作*.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现实生活中
研究思路*.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
神经学*.pps application/vnd.ms-powerpoint MS PowerPoint Slideshow *.ppt application/vnd.ms-powerpoint MS PowerPoint Prentation *.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 Databa
*.wps application/vnd.ms-works Works Text Document
教科室主任职责
*.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 aplication/zip Compresd Archive
