struts <s:if>获取boolean的值解决方案

<s:iterator value="records" var="r" status="rr">  <tr>    <td>3  <s:property value="#r.rDate"/></td>    <td><s:property value="#rr.rDate"/></td>    <td><s:property value="#r.card.cardId"/> </td>    <td><s:if test="#rr.isInHouse == true">在实验室</s:if><s:else>不在实验室</s:else> </td>    <td><s:if test="#r.isInHouse">在实验室</s:if><s:else>不在实验室</s:else> </td>    <td><s:if test="#r.isInHouse == true">在实验室</s:if><s:else>不在实验室</s:else> </td>    <td><s:if test="isInHouse == true">在实验室</s:if><s:else>不在实验室</s:else> </td>    <td>322d33 </td>  </tr>  </s:iterator>