为此，您可能还需要将过滤器设置为在FORWARD上运行（并在代码中显示INCLUDE，尽管您声明要使用FORWARD）：
<filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> <dispatcher>REQUEST</dispatcher> <dispatcher>FORWARD</dispatcher> <dispatcher>INCLUDE</dispatcher> <!-- If you want includes as well --></filter-mapping>
