在web.xml中的web-app中加入这段话：
1 <jsp-config> 2 <jsp-property-group> 3 <display-name>JSPConfiguration</display-name> 4 <url-pattern>*.jsp</url-pattern> 5 <el-ignored>true</el-ignored> 6 <page-encoding>utf-8</page-encoding> 7 <scripting-invalid>false</scripting-invalid> 8 <include-prelude></include-prelude> 9 <include-coda></include-coda> 10 </jsp-property-group> 11 <jsp-property-group> 12 <display-name>JSPConfiguration</display-name> 13 <url-pattern>*.html</url-pattern> 14 <el-ignored>true</el-ignored> 15 <page-encoding>utf-8</page-encoding> 16 <scripting-invalid>false</scripting-invalid> 17 <include-prelude></include-prelude> 18 <include-coda></include-coda> 19 </jsp-property-group> 20 </jsp-config>