loadreviewsbynews.java

struts,hibernate,spring整合之 消息发布系统

package org.yeeku.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForward;
import org.apache.struts.validator.DynaValidatorForm;

import org.yeeku.action.base.BaseAction;
import org.yeeku.model.News;

import java.util.Set;

/**
 * @author  yeeku.H.lee [e-mail]
 * @version  1.0
 * <br>Copyright (C), 2005-2008, yeeku.H.Lee
 * <br>This program is protected by copyright laws.
 * <br>Program Name:
 * <br>Date: 
 */
public class LoadReviewsByNews extends BaseAction
{
    //必须重写该核心方法，该方法actionForm将表单的请求参数封装成值对象
    public ActionForward execute(ActionMapping mapping, ActionForm form,
       HttpServletRequest request, HttpServletResponse response)throws Exception
    {
        String newsId = null;        
        if(request.getAttribute("newsId") == null)
        {
            newsId = request.getParameter("newsId");
        }
        else
        {
            newsId = (String)request.getAttribute("newsId");
        }
        News news = mgr.getNews(newsId);
        request.setAttribute("news" , news);
        request.setAttribute("reviews",news.getNewsReviews());        
        return mapping.findForward("success");
    }
}