newsaction.java

jsp学习交流网

package cfq.struts.action;

import java.util.List;
import java.util.Set;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;

import cfq.business.dao.NewsDao;
import cfq.hibernate.vo.News;

public class NewsAction extends DispatchAction {
	
	NewsDao news;
	
	//新闻列表
	public ActionForward listAllNews(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		List list=news.listAll();
		request.setAttribute("all", list);
		return mapping.findForward("success");
	}
	
	//按新闻标题查询
	public ActionForward queryByTitle(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		String title=request.getParameter("titleName");
		List list=news.queryByTitle(title);
		request.setAttribute("all", list);
		return mapping.findForward("success");
	}
	
	//返回给浏览者的信息
	public ActionForward showNews(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		List list=news.listAll();
		request.setAttribute("all", list);
		return mapping.findForward("success");
	}
	
	//一条新闻的具体内容
	public ActionForward showDetil(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		int newsid=Integer.valueOf(request.getParameter("newsid"));
		News ns=news.queryById(newsid);
		news.addCount(newsid);
		Set setComment=news.listAllComment(newsid);
		request.setAttribute("n", ns);
		request.setAttribute("allCommt", setComment);
		return mapping.findForward("success");
	}
	
	//根据新闻标题列出该新闻的所有评论 
	public ActionForward qnscbytitle(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
System.out.println("%%%%%%%%%%%%%FGSGSDA"+request.getParameter("keyword"));
		List list=news.queryBynewstitle(request.getParameter("keyword"));
		request.setAttribute("comment", list);
		return mapping.findForward("success");
	}
	
	
	/*public ActionForward toModifyNews(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		List list=news.listAll();
		request.setAttribute("all", list);
		return mapping.findForward("success");
	}
	*/
	
	

	public void setNews(NewsDao news) {
		this.news = news;
	}
	
	/*public ActionForward showDetil(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		return super.execute(mapping, form, request, response);
	}*/

}