文件类型的所有type

后缀	MINI TYPE
*.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	aplication/zip (Compressed Archive)
.doc	application/msword
.dot	application/msword
.docx	application/vnd.openxmlformats-officedocument.wordprocessingml.document
.dotx	application/vnd.openxmlformats-officedocument.wordprocessingml.template
.docm	application/vnd.ms-word.document.macroEnabled.12
.dotm	application/vnd.ms-word.template.macroEnabled.12
.xls	application/vnd.ms-excel
.xlt	application/vnd.ms-excel
.xla	application/vnd.ms-excel
.xlsx	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
.xltx	application/vnd.openxmlformats-officedocument.spreadsheetml.template
.xlsm	application/vnd.ms-excel.sheet.macroEnabled.12
.xltm	application/vnd.ms-excel.template.macroEnabled.12
.xlam	application/vnd.ms-excel.addin.macroEnabled.12
.xlsb	application/vnd.ms-excel.sheet.binary.macroEnabled.12
.ppt	application/vnd.ms-powerpoint
.pot	application/vnd.ms-powerpoint
.pps	application/vnd.ms-powerpoint
.ppa	application/vnd.ms-powerpoint
.pptx	application/vnd.openxmlformats-officedocument.presentationml.presentation
.potx	application/vnd.openxmlformats-officedocument.presentationml.template
.ppsx	application/vnd.openxmlformats-officedocument.presentationml.slideshow
.ppam	application/vnd.ms-powerpoint.addin.macroEnabled.12
.pptm	application/vnd.ms-powerpoint.presentation.macroEnabled.12
.potm	application/vnd.ms-powerpoint.presentation.macroEnabled.12
.ppsm	application/vnd.ms-powerpoint.slideshow.macroEnabled.12