<action name="user" class="com.bebig.struts2.user.action.UserAction"> <!-- 用$符号来取Value Stack里的值 -->
<result>${r}</result>
<result name="error">${r}</result>
</action>
<action name="user" class="com.bebig.struts2.user.action.UserAction"> <!-- 用$符号来取Value Stack里的值 -->
<result>${r}</result>
<result name="error">${r}</result>
</action>