我在jsp中使用jstl,从DTO创建对象结果,当我以这种方式使用它时:
<c:if test="${not empty result.billedConsumptionActive}">
<p><c:out value="${result.billedConsumptionActive}"></c:out></p>
</c:if>
返回并打印:
ConsumptionDTO [consumptionHour00=37.6, consumptionHour01=null, consumptionHour02=null, consumptionHour03=50, consumptionHour04=null, consumptionHour05=null, consumptionHour06=12.5, consumptionHour07=null]
但是当我尝试在foreach声明中使用它时:
<c:if test="${not empty result.billedConsumptionActive}">
<c:forEach var="window" items="${result}">
<td><c:out value="${result.billedConsumptionActive}"/></td>
</c:forEach>
</c:if>
我收到了错误,我无法解释原因。还有另一种方法可以调用items="${result}
??
答案 0 :(得分:1)
试试这个:
<c:if test="${not empty result.billedConsumptionActive}">
<c:forEach var="window" items="${result.billedConsumptionActive}">
<td><c:out value="${window}"/></td>
</c:forEach>
</c:if>