如何从Liferay Portlet中的URL获取参数?

本文介绍了如何从Liferay Portlet中的URL获取参数?的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

我在Liferay 6中使用了像feed.jspf这样的现成Portlet的jsp:

I'm using jsp of out-of-box portlet like feed.jspf in Liferay 6:

String articleId =null; HttpServletRequest httpReq = PortalUtil.getOriginalServletRequest(PortalUtil.getHttpServletRequest(renderRequest)); articleId = httpReq.getParameter("articleId");

无论是在自定义portlet还是.jsp文件中，它都给出一个空值，但是它应该有一个值.

It is giving a null value whether in custom portlet or in .jsp files, but it should have a value.

推荐答案

当然，您始终可以使用标准的HttpServletRequest从中检索参数.您可以通过使用PortalUtil类来获得此请求，如以下示例所示:

Sure, you can always use the standard HttpServletRequest to retrieve your parameters from. You can get this request by using the PortalUtil class, like in the following example:

HttpServletRequest request = PortalUtil.getHttpServletRequest(portletRequest); String articleId = request.getParameter("articleId");