velocity无法获取spring mvc的session值
网上搜了一下有几种答案,但没有试过
1.spring中的httpsession改为context中的session,就可以获得
HttpSession session = ServletActionContext. getRequest().getSession();
2.velocity配置中加入 <property name="exposeSessionAttributes" value="true"/>,将exposeSessionAttribute参数设为true
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="exposeSpringMacroHelpers" value="true"/>
<property name="exposeSessionAttributes" value="true"/>
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
<property name="prefix" value="/"/>
<property name="suffix" value=".jsp"/>
</bean>
3.在 tools.xml 里面加上:
<toolbox scope=
"session"
>
<tool key=
"map"
class
=
"java.util.HashMap"
/>