[英]get list of objects from tiles viewPreparer
I create implementation of ViewPreparer for getting categories list.我创建了 ViewPreparer 的实现来获取类别列表。 And I need to get this list at header.
我需要在标题中获取此列表。
This is my implementation这是我的实现
public class CategoryMenuViewPreparer implements ViewPreparer {
@Override
public void execute(Request request, AttributeContext attributeContext) {
HttpServletRequest httpServletRequest = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
HttpSession session = httpServletRequest.getSession();
User user = (User) session.getAttribute("user");
attributeContext.putAttribute("categories", new Attribute(user.getCategories()));
}
}
And this is my tiles-definition这是我的瓷砖定义
<definition name="CategoryPage" template="/WEB-INF/layouts/DefaultTemplate.jsp" preparer="ua.uzhhorodteam.cactiportal.handlers.CategoryMenuViewPreparer">
<put-attribute name="title" value="Category | TTE Web Portal"/>
<put-attribute name="header" value="/WEB-INF/fragments/defaultHeaderFragment.jsp"/>
<put-attribute name="footer" value="/WEB-INF/fragments/defaultFooterFragment.jsp"/>
<put-attribute name="body" value="/WEB-INF/views/categoryPage.jsp"/>
</definition>
So, how can I write categories list at header as menu?那么,如何将标题中的类别列表写为菜单?
you can get "categories" out using importAttributes like您可以使用 importAttributes 获取“类别”,例如
<tiles:importAttribute name="categories">
<c:forEach var="c" items=${categories}>
<c:out value="${c}"/>
</c:forEach>
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.