加到web.xml
/demo/view.do?id=xx–>Filter控制器–>ViewAction–>NoteDao.findById–>NOTE–>Result–>/WEB-INF/view.jsp
为了支持Hibernate延迟加载操作load,配置OpenSessionInViewFilter
<!-- opensessioninviewfilter,放在struts2 filter之前 -->
<filter>
<filter-name>opensession</filter-name>
<filter-class>
org.springframework.orm.hibernate4.support.OpenSessionInViewFilter
</filter-class>
</filter>
<filter-mapping>
<filter-name>opensession</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>