You can access individual elements with the array [] operator: <c:out value=”${attachments[0].id}” /> This will work for arrays and lists. It won’t work for maps and sets. In that case you must put the key of the element inside the brackets.
The error is telling you it cannot find the class because it is not available in your application. If you are using Maven, make sure you have the dependency for jstl artifact: <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> If you are not using it, just make sure you include the JAR in your classpath. See this … Read more
It’s also possible to use an EL expression directly like this: <div class=”${booleanExpr ? ‘cssClass’ : ‘otherCssClass’}”> </div>
Scripts are raw java embedded in the page code, and if you declare variables in your scripts, then they become local variables embedded in the page. In contrast, JSTL works entirely with scoped attributes, either at page, request or session scope. You need to rework your scriptlet to fish test out as an attribute: <c:set … Read more
<c:forEach var=”instanceVar” items=”${instanceList}”> <jsp:include page=”instance.jsp”> <jsp:param name=”myVar” value=”${instanceVar}”/> </jsp:include> </c:forEach> In the instance.jsp <c:out value=”${param.myVar}”/>
I got the answer from the thymeleaf forum. The way to do it is : th:if=”${evaluation < 49 and evaluation > 29}” Problem solved !
Yes, this is perfectly acceptable. When you use <c:forEach> to iterate over a Map, each item in the iteration is an instance of Map.Entry. So given your example: <c:forEach var=”type” items=”${types}”> Key is ${type.key} Value is ${type.value} </c:forEach>
Use the empty keyword <c:if test=”${not empty post}”> <h3>${post.title}</h3> </c:if>
The <c:forEach> tag is definitely suitable for this. It has begin and end attributes where you can specify the, well, begin and end. It has a varStatus attribute which puts a LoopTagStatus object in the loop tag scope which in turn has several methods like getIndex() and on. Here’s a kickoff example: <c:forEach begin=”0″ end=”10″ … Read more
Suppose ${list} points to a List<Object>, then the following <c:forEach items=”${list}” var=”item”> ${item}<br> </c:forEach> does basically the same as as following in “normal Java”: for (Object item : list) { System.out.println(item); } If your ${list} is a List<Person> where Person is a Javabean having name and email properties represented by getName() and getEmail() getter methods, … Read more