newslistaction.java

学校新闻发布系统

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package org.news.struts.action;

import java.util.List;

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

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.news.dao.INews;
import org.news.dao.INewsType;
import org.news.impl.NewsImpl;
import org.news.impl.NewsTypeImpl;
import org.news.pojo.NewsType;

import com.util.page.Page;
import com.util.page.PageHelp;

/**
 * MyEclipse Struts Creation date: 01-24-2008
 * 
 * XDoclet definition:
 * 
 * @struts.action validate="true"
 */
public class NewsListAction extends Action {
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		Integer newsTypeId = Integer
				.valueOf(request.getParameter("newsTypeId"));
		INewsType newsTypeDao = new NewsTypeImpl();
		NewsType newsType = newsTypeDao.findById(newsTypeId);
		String typename = newsType.getName();

		INews newsDao = new NewsImpl();
		int totalRows = newsDao.findCountByNewsType(newsType);

		Page page = PageHelp.getPager(request, totalRows, 20);

		List newsList = newsDao.findByNewsType(newsType, page.getPageSize(),
				page.getStartRow());

		request.setAttribute("page", page);
		request.setAttribute("newsList", newsList);
		request.setAttribute("typename", typename);

		return mapping.findForward("newsListJsp");
	}
}