detailaction.java

新闻中心模块的实现

package news;

import java.io.IOException;

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

public final class DetailAction extends HttpServlet{  
	protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("GBK");
		int newsId = Integer.parseInt(req.getParameter("newsId"));
		
        HttpSession session = req.getSession();
		News news = new News();
		
						
        DB db = new DB();
        try {
			news = News.GetDetail(db,newsId,false);
		} catch (Exception e) {
			e.printStackTrace();
		}
		
		session.setAttribute(Constants.NEWS_DETAIL_KEY,news);
		
		if(news.keyword!=null||news.keyword!=""){
			try {
				session.setAttribute(Constants.NEWS_LIST_KEY,
									News.SearchRelativeNews(db,newsId,news.keyword));
			} catch (Exception e) {
				e.printStackTrace();
			}
		} 

		db.close();
		String target = "/P43_News/newsContent.jsp";
		resp.sendRedirect(target);
	}

}