loaddataservlet.java

该项目为网上书店

package org.myrose.servlet;

import java.io.IOException;
import java.util.List;

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

import org.myrose.dao.BbsDAO;
import org.myrose.dao.BookInfoDAO;
import org.myrose.dao.PollDAO;


public class LoadDataServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public LoadDataServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html;charset=GBK");
		request.setCharacterEncoding("GBK");
		
		HttpSession session = request.getSession();
		
		try {
			BookInfoDAO bookInfodao=new BookInfoDAO();
			BbsDAO bbsdao=new BbsDAO();
			PollDAO polldao=new PollDAO();
			
			List newBooks=bookInfodao.find5NewBooks();
			List bestBooks=bookInfodao.find10BestBooks();
			List commendBooks=bookInfodao.findCommendBooks();
			List bbsList=bbsdao.findAllBbs();
			List pollList=polldao.findPolls();
			
			request.setAttribute("newBooks", newBooks);
			request.setAttribute("bestBooks", bestBooks);
			request.setAttribute("commendBooks", commendBooks);
			session.setAttribute("bbsList", bbsList);
			session.setAttribute("pollList", pollList);
			
			request.getRequestDispatcher("index.jsp").forward(request, response);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doGet(request, response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}