freemarker集成shiro标签

import com.jagregory.shiro.freemarker.ShiroTags;
import freemarker.template.TemplateException;
import org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer;

import java.io.IOException;

/**
 * 继承FreeMarkerConfigurer类,重写afterPropertiesSet()方法；
 * 集成shiroTags标签
 * Created by zsc on 2016/1/5.
 */
public class ShiroTagFreeMarkerConfigurer extends FreeMarkerConfigurer {

@Override
public void afterPropertiesSet() throws IOException, TemplateException {
super.afterPropertiesSet();
        this.getConfiguration().setSharedVariable("shiro", new ShiroTags());
}

}

<!--<bean id="freemarkerConfig" class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer">-->
<bean id="freemarkerConfig" class="com.***.shiro.tag.ShiroTagFreeMarkerConfigurer">

<!--shiro标签仅限用在该路径下的ftl页面，不能使用include引入-->
  <property name="templateLoaderPath" value="/WEB-INF/viewftl/" /> 

 <property name="freemarkerSettings">
 <props>
 <prop key="template_update_delay">0</prop>
 <prop key="default_encoding">utf-8</prop>
 <prop key="number_format">\#0.\#\#\#\#\#</prop>
 <prop key="datetime_format">yyyy-MM-dd HH:mm:ss</prop>
 <prop key="classic_compatible">true</prop>
 <prop key="template_exception_handler">ignore</prop>
<!--<prop key="auto_import">/common/page.ftl as p</prop>-->
 <!--<prop key="auto_include">/common/page.ftl</prop>-->
</props>
 </property>
</bean>

<!-- shiro 安全过滤器 -->
<filter>
       <filter-name>shiroFilter</filter-name>
       <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
       <async-supported>true</async-supported>
       <init-param>
           <param-name>targetFilterLifecycle</param-name>
           <param-value>true</param-value>
       </init-param>
   </filter>
   <filter-mapping>
       <filter-name>shiroFilter</filter-name>
       <url-pattern>*.htm</url-pattern>
       <dispatcher>REQUEST</dispatcher>
       <dispatcher>FORWARD</dispatcher>
       <dispatcher>INCLUDE</dispatcher>
   </filter-mapping>
<!-- sitemesh 装饰配置 -->
   <filter>
       <filter-name>sitemesh</filter-name>
       <filter-class>com.opensymphony.module.sitemesh.filter.PageFilter</filter-class>
   </filter>
   <filter-mapping>
       <filter-name>sitemesh</filter-name>
       <url-pattern>/*</url-pattern>
   </filter-mapping>