*.docx,*.xlsx,*.pptx文件下载后变成.zip文件,*.csv文件下载后变为.html文件

场景：*.docx,*.xlsx,*.pptx文件下载后变成.zip文件,*.csv文件下载后变为.html文件，如何解决：

在应用程序的Web.xml文件中增加以下内容：

<mime-mapping>

<extension>docx</extension>

<mime-type>application/vnd.openxmlformats-officedocument.wordprocessingml.document</mime-type>

</mime-mapping>

<mime-mapping>

<extension>xlsx</extension>

<mime-type>application/vnd.openxmlformats-officedocument.spreadsheetml.sheet</mime-type>

</mime-mapping>

<mime-mapping>

<extension>pptx</extension>

<mime-type>application/vnd.openxmlformats-officedocument.presentationml.presentation</mime-type>

<mime-mapping>

<extension>csv</extension>

<mime-type>application/vnd.msexcel</mime-type>

</mime-mapping>

</mime-mapping>