提示test不能插入el

[pengpeng11]

在使用jstl时，<c:if test="${requestScope.queryAll}"></c:if>时会出现如下异常，提示test中不能包含任何的表达式，
请哪位大哥指点下，怎么样解决！
严重: Servlet.service() for servlet jsp threw exception
org.apache.jasper.JasperException: /result.jsp(15,4) According to TLD or attribute directive in tag file, attribute test does not accept any expressions

[yzsunlight]

<c:if test="${requestScope.queryAll}"> </c:if>

if是用来做判断的啊, 楼主掉了个比较运算符号吧

[yzsunlight]

例如
<c:if test="${requestScope.queryAll==null}"> </c:if>

[yzsunlight]

<c:if test="${requestScope.queryAll}">
是用来做比较的

[zhj92lxs]

[Quote=引用 2 楼 yzsunlight 的回复:]
例如
<c:if test="${requestScope.queryAll==null}"> </c:if>
[/Quote]

就照上面做

[xiaoxueluhuan]

<s:if test="null==requestScope.queryAll||requestScope.queryAll.isEmpty()">