1回答

• 

  慕粉3803878

  2017-08-29 16:29:05

  已采纳

  User user=new User();
  user.setName("袁冻");
  user.setAge(1);
  User user1=new User();
  user1.setName("李好");
  user1.setAge(2);
  User user2=new User();
  user2.setName("陈馨");
  user2.setAge(3);
  List<User> list=new ArrayList();

  list.add(user0);

  list.add(user1);
  list.add(user2);
  request.setAttribute("list",list);

  
  <c:set var="startIndex" value="${fn:length(list)-1 }"></c:set>
  <c:out value="${startIndex}"></c:out>
  <c:forEach var="i" begin="0" end="${list.size()}" varStatus="status">
    <c:out value="${list[startIndex-status.index].age}"></c:out>
  </c:forEach>

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