struts2 从s:if从request取值

 action 中

     HttpServletRequest request = ServletActionContext.getRequest();
          request.setAttribute("postId", post_id);
          request.setAttribute("can_status", can_status);
          request.setAttribute("sortorder", sxorder);

jsp页面取值

　　EL表达式取值 ${postId} , ${can_status}

　　s:if test中取值

      <s:if test="%{#request.sortorder=='asc'}">
                    <td width="200">最终分数 <a href="queryScoreByPost.action?post_id=${postId}&can_status=${can_status}&sxorder=desc">
                          <img src="${pageContext.request.contextPath }/css/img/asc.png" width="8" height="10" title="点击排序"></a></td>
                   </s:if>
                   <s:elseif test="%{#request.sortorder=='desc'}">
                      <td width="200">最终分数 <a href="queryScoreByPost.action?post_id=${postId}&can_status=${can_status}&sxorder=asc">
                          <img src="${pageContext.request.contextPath }/css/img/desc.png" width="8" height="10" title="点击排序"></a></td>
                   </s:elseif>
                   <s:else >
                       <td width="200"><a href="queryScoreByPost.action?post_id=${postId}&can_status=${can_status}&sxorder=desc" title="点击排序">最终分数
                          </a></td>
                 </s:else>