android MINE类型总汇

      

   在android开发开始时,都不明白Andriod平台上MIME类型是一个什么概念,偶然知道,整理一下资料,以便以后查看。
   多用途互联网邮件扩展(MIMEMultipurpose Internet Mail Extensions)是一个互联网标准,它扩展了电子邮件标准,使其能够支持非ASCII字符、二进制格式附件等多种格式的邮件消息。这个标准被定义在;RFC 2045; RFC 2046; RFC 2047; RFC 2048; RFC 2049RFC中。 由RFC 822转变而来的RFC 2822,规定电子邮件标准并不允许在邮件消息中使用7ASCII字符集以外的字符。正因如此,一些非英语字符消息和二进制文件,图像,声音等非文字消息都不能在电子邮件中传输。MIME规定了用于表示各种各样的数据类型的符号化方法。 此外,在万维网中使用的HTTP协议中也使用了MIME的框架。
  

  MIME headers
  MIME
是通过标准化电子邮件报文的头部的附加领域(fields)而实现的;这些头部的附加领域,描述新的报文类型的内容和组织形式。
  

  MIME版本
  MIME
版本(MIME-Version),这个头部领域在邮件消息的报文用一个版本号码来指明消息遵从的MIME规范的版本。目前版本是1.0
  MIME-Version: 1.0

  内容类型(Content-Type),这个头部领域用于指定消息的类型。一般以下面的形式出现。

  Content-Type: [type]/[subtype]; parameter
  type
有下面的形式。
     Text
:用于标准化地表示的文本信息,文本消息可以是多种字符集和或者多种格式的;
     Multipart
:用于连接消息体的多个部分构成一个消息,这些部分可以是不同类型的数据;
     Application
:用于传输应用程序数据或者二进制数据;
     Message
:用于包装一个E-mail消息;
     Image
:用于传输静态图片数据;
     Audio
:用于传输音频或者音声数据;
     Video
:用于传输动态影像数据,可以是与音频编辑在一起的视频数据格式。
     subtype
用于指定type的详细形式。content-type/subtype配对的集合和与此相关的参数,将随着时间而增长。为了确保这些值在一个有序而且公开的状态下开发,MIME使用Internet Assigned Numbers Authority (IANA)作为中心的注册机制来管理这些值。常用的subtype值如下所示:
    

     text/plain(纯文本) text/html(HTML文档) application/xhtml+xml(XHTML文档) image/gif(GIF图像) image/jpeg(JPEG图像) image/png(PNG图像) video/mpeg(MPEG动画) application/octet-stream(任意的二进制数据) application/pdf(PDF文档) application/msword(Microsoft Word文件) message/rfc822(RFC 822形式) multipart/alternative(HTML邮件的HTML形式和纯文本形式,相同内容使用不同形式表示)
 

     此外,尚未被接受为正式数据类型的subtype,可以使用x-开始的独立名称(例如application/x-gzip)。vnd-开始的固有名称也可以使用(例:application/vnd.ms-excel)。

    按照内容类型排列的 Mime 类型列表

   类型/子类型 扩展名 application/envoy evy application/fractals fif application/futuresplash spl application/hta hta application/internet-property-stream acx application/mac-binhex40 hqx application/msword doc application/msword dot application/octet-stream * application/octet-stream bin application/octet-stream class application/octet-stream dms application/octet-stream exe application/octet-stream lha application/octet-stream lzh application/oda oda application/olescript axs application/pdf pdf application/pics-rules prf application/pkcs10 p10 application/pkix-crl crl application/postscript ai application/postscript eps application/postscript ps application/rtf rtf application/set-payment-initiation setpay application/set-registration-initiation setreg application/vnd.ms-excel xla application/vnd.ms-excel xlc application/vnd.ms-excel xlm application/vnd.ms-excel xls application/vnd.ms-excel xlt application/vnd.ms-excel xlw application/vnd.ms-outlook msg application/vnd.ms-pkicertstore sst application/vnd.ms-pkiseccat cat application/vnd.ms-pkistl stl application/vnd.ms-powerpoint pot application/vnd.ms-powerpoint pps application/vnd.ms-powerpoint ppt application/vnd.ms-project mpp application/vnd.ms-works wcm application/vnd.ms-works wdb application/vnd.ms-works wks application/vnd.ms-works wps application/winhlp hlp application/x-bcpio bcpio application/x-cdf cdf application/x-compress z application/x-compressed tgz application/x-cpio cpio application/x-csh csh application/x-director dcr application/x-director dir application/x-director dxr application/x-dvi dvi application/x-gtar gtar application/x-gzip gz application/x-hdf hdf application/x-internet-signup ins application/x-internet-signup isp application/x-iphone iii application/x-javascript js application/x-latex latex application/x-msaccess mdb application/x-mscardfile crd application/x-msclip clp application/x-msdownload dll application/x-msmediaview m13 application/x-msmediaview m14 application/x-msmediaview mvb application/x-msmetafile wmf application/x-msmoney mny application/x-mspublisher pub application/x-msschedule scd application/x-msterminal trm application/x-mswrite wri application/x-netcdf cdf application/x-netcdf nc application/x-perfmon pma application/x-perfmon pmc application/x-perfmon pml application/x-perfmon pmr application/x-perfmon pmw application/x-pkcs12 p12 application/x-pkcs12 pfx application/x-pkcs7-certificates p7b application/x-pkcs7-certificates spc application/x-pkcs7-certreqresp p7r application/x-pkcs7-mime p7c application/x-pkcs7-mime p7m application/x-pkcs7-signature p7s application/x-sh sh application/x-shar shar application/x-shockwave-flash swf application/x-stuffit sit application/x-sv4cpio sv4cpio application/x-sv4crc sv4crc application/x-tar tar application/x-tcl tcl application/x-tex tex application/x-texinfo texi application/x-texinfo texinfo application/x-troff roff application/x-troff t application/x-troff tr application/x-troff-man man application/x-troff-me me application/x-troff-ms ms application/x-ustar ustar application/x-wais-source src application/x-x509-ca-cert cer application/x-x509-ca-cert crt application/x-x509-ca-cert der application/ynd.ms-pkipko pko application/zip zip audio/basic au audio/basic snd audio/mid mid audio/mid rmi audio/mpeg mp3 audio/x-aiff aif audio/x-aiff aifc audio/x-aiff aiff audio/x-mpegurl m3u audio/x-pn-realaudio ra audio/x-pn-realaudio ram audio/x-wav wav image/bmp bmp image/cis-cod cod image/gif gif image/ief ief image/jpeg jpe image/jpeg jpeg image/jpeg jpg image/pipeg jfif image/svg+xml svg image/tiff tif

 
 

 

 

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