在web.xml里配置
1 <mime-mapping> 2 <extension>doc</extension> 3 <mime-type>application/msword</mime-type> 4 </mime-mapping> 5 <mime-mapping> 6 <extension>xls</extension> 7 <mime-type>application/msexcel</mime-type> 8 </mime-mapping> 9 <mime-mapping> 10 <extension>pdf</extension> 11 <mime-type>application/pdf</mime-type> 12 </mime-mapping> 13 <mime-mapping> 14 <extension>zip</extension> 15 <mime-type>application/zip</mime-type> 16 </mime-mapping> 17 <mime-mapping> 18 <extension>rar</extension> 19 <mime-type>application/rar</mime-type> 20 </mime-mapping> 21 <mime-mapping> 22 <extension>txt</extension> 23 <mime-type>application/txt</mime-type> 24 </mime-mapping> 25 <mime-mapping> 26 <extension>chm</extension> 27 <mime-type>application/mshelp</mime-type> 28 </mime-mapping>