在IE中通过a标签直接上载rar文件时以乱码方式打开

在IE中通过a标签直接下载rar文件时以乱码方式打开

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在JSP的下载文件中，如果文件是rar类型的，一点击下载rar文件就直接打开，并且出现乱码，右键另存为浏览器也是默认为html格式，一直以为是浏览器IE的问题，后来发现其实不关浏览器的问题，而是web.xml配置的问题，具体如下：

web.xml文件中配置<mime-mapping>下载文件类型
TOMCAT在默认情况下下载.rar的文件是把文件当作text打开,以至于IE打开RAR文件为乱码,如果遇到这种情况解决方法:

打开conf/web.xml,加入下面的代码.

?<mime-mapping>
?<extension>doc</extension>
?<mime-type>application/msword</mime-type>
?</mime-mapping>
?<mime-mapping>
?<extension>xls</extension>
?<mime-type>application/msexcel</mime-type>
?</mime-mapping>
?<mime-mapping>
?<extension>pdf</extension>
?<mime-type>application/pdf</mime-type>
?</mime-mapping>
?<mime-mapping>
?<extension>zip</extension>
?<mime-type>application/zip</mime-type>
?</mime-mapping>
?<mime-mapping>
?<extension>rar</extension>
?<mime-type>application/rar</mime-type>
?</mime-mapping>
?<mime-mapping>
?<extension>txt</extension>
?<mime-type>application/txt</mime-type>
?</mime-mapping>
?<mime-mapping>
?<extension>chm</extension>
?<mime-type>application/mshelp</mime-type>
?</mime-mapping>
?<mime-mapping>
?<extension>mp3</extension>
?<mime-type>audio/x-mpeg</mime-type>
?</mime-mapping>

重启TOMCAT,清除IE缓存,再打开RAR的文件时就可以正常下载了.

不同的ContentType 会影响客户端所看到的效果.

默认的ContentType为 text/html 也就是juapk.com网页格式.

代码如:

?<% response.ContentType ="text/html" %>
?<!--＃i nclude virtual="/ContentType.html" -->

显示的为网页,而

?<% response.ContentType ="text/plain" %>
?<!--＃i nclude virtual="/sscript/ContentType.html" -->

则会显示html原代码.

以下为一些常用的 ContentType

GIF images
?<% response.ContentType ="image/gif" %>
?<!--＃i nclude virtual="/myimage.gif" -->
?JPEG images
?<% response.ContentType ="image/jpeg" %>
?<!--＃i nclude virtual="/myimage.jpeg" -->
?TIFF images
?<% response.ContentType ="image/tiff" %>
?<!--＃i nclude virtual="/myimage.tiff" -->
?MICROSOFT WORD document
?<% response.ContentType ="application/msword" %>
?<!--＃i nclude virtual="/myfile.doc" -->
?RTF document
?<% response.ContentType ="application/rtf" %>
?<!--＃i nclude virtual="/myfile.rtf" -->
?MICROSOFT EXCEL document
?<% response.ContentType ="application/x-excel" %>
?<!--＃i nclude virtual="/myfile.xls" -->
?MICROSOFT POWERPOINT document
?<% response.ContentType ="application/ms-powerpoint" %>
?<!--＃i nclude virtual="/myfile.pff" -->
?PDF document
?<% response.ContentType ="application/pdf" %>
?<!--＃i nclude virtual="/myfile.pdf" -->
?ZIP document
?<% response.ContentType ="application/zip" %>
?<!--＃i nclude virtual="/myfile.zip" -->

下面是更详细的ContentType

application/andrew-inset ez
?application/mac-binhex40 hqx
?application/mac-compactpro cpt
?application/mathml+xml mathml
?application/msword doc
?application/octet-stream bin dms lha lzh exe?class?so dll
?application/oda oda
?application/ogg ogg
?application/pdf pdf
?application/postscript ai eps ps
?application/rdf+xml rdf
?application/smil smi smil
?application/srgs gram
?application/srgs+xml grxml
?application/vnd.mif mif
?application/vnd.mozilla.xul+xml xul
?application/vnd.ms-excel xls
?application/vnd.ms-powerpoint ppt
?application/vnd.wap.wbxml wbxml
?application/vnd.wap.wmlc .wmlc wmlc
?application/vnd.wap.wmlscriptc .wmlsc wmlsc
?application/voicexml+xml vxml
?application/x-bcpio bcpio
?application/x-cdlink vcd
?application/x-chess-pgn pgn
?application/x-cpio cpio
?application/x-csh csh
?application/x-director dcr dir dxr
?application/x-dvi dvi
?application/x-futuresplash spl
?application/x-gtar gtar
?application/x-hdf hdf
?application/x-httpd-php .php .php4 .php3 .phtml
?application/x-httpd-php-source .phps
?application/x-javascript js
?application/x-koan skp skd skt skm
?application/x-latex latex
?application/x-netcdf nc cdf
?application/x-pkcs7-crl .crl
?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 .tgz tar
?application/x-tcl tcl
?application/x-tex tex
?application/x-texinfo texinfo texi
?application/x-troff t tr roff
?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 .crt
?application/xhtml+xml xhtml xht
?application/xml xml xsl
?application/xml-dtd dtd
?application/xslt+xml xslt
?application/zip zip
?audio/basic au snd
?audio/midi mid midi kar
?audio/mpeg mpga mp2 mp3
?audio/x-aiff aif aiff aifc
?audio/x-mpegurl m3u
?audio/x-pn-realaudio ram rm
?audio/x-pn-realaudio-plugin rpm
?audio/x-realaudio ra
?audio/x-wav wav
?chemical/x-pdb pdb
?chemical/x-xyz xyz
?image/bmp bmp
?image/cgm cgm
?image/gif gif
?image/ief ief
?image/jpeg jpeg jpg jpe
?image/png png
?image/svg+xml svg
?image/tiff tiff tif
?image/vnd.djvu djvu djv
?image/vnd.wap.wbmp .wbmp wbmp
?image/x-cmu-raster ras
?image/x-icon ico
?image/x-portable-anymap pnm
?image/x-portable-bitmap pbm
?image/x-portable-graymap pgm
?image/x-portable-pixmap ppm
?image/x-rgb rgb
?image/x-xbitmap xbm
?image/x-xpixmap xpm
?image/x-xwindowdump xwd
?model/iges igs iges
?model/mesh msh mesh silo
?model/vrml wrl vrml
?text/calendar ics ifb
?text/css css
?text/html .shtml html htm
?text/plain asc txt
?text/richtext rtx
?text/rtf rtf
?text/sgml sgml sgm
?text/tab-separated-values tsv
?text/vnd.wap.wml .wml wml
?text/vnd.wap.wmlscript .wmls wmls
?text/x-setext etx
?video/mpeg mpeg mpg mpe
?video/quicktime qt mov
?video/vnd.mpegurl?mxu
?video/x-msvideo avi
?video/x-sgi-movie movie
?x-conference/x-cooltalk ice

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