一个简单jsp程序

				/*
				 * delete.java
				 *
				 * Created on 2007年11月21日, 下午1:53
				 */
				
				package servlet;
				
				import dianping.DB;
				import java.io.*;
				
				import javax.servlet.*;
				import javax.servlet.http.*;
				
				/**
				 *冷漠大神 q 361619004
				 * @author Angel
				 * @version
				 */
				public class delete extends HttpServlet {
				    
				    /** Processes requests for both HTTP GET and POST methods.
				     * @param request servlet request
				     * @param response servlet response
				     */
				    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
				    throws ServletException, IOException {
				        response.setContentType("text/html;charset=UTF-8");
				        PrintWriter out = response.getWriter();
				        String id=request.getParameter("id");
				        DB db=new DB();
				        db.MSupdate("delete from web where id="+id);
				        response.sendRedirect("index.jsp");
				        /* TODO output your page here
				        out.println("");
				        out.println("");
				        out.println("Servlet delete");
				        out.println("");
				        out.println("");
				        out.println("Servlet delete at " + request.getContextPath () + "");
				        out.println("");
				        out.println("");
				         */
				        out.close();
				    }
				    
				    // 
				    /** Handles the HTTP GET method.
				     * @param request servlet request
				     * @param response servlet response
				     */
				    protected void doGet(HttpServletRequest request, HttpServletResponse response)
				    throws ServletException, IOException {
				        processRequest(request, response);
				    }
				    
				    /** Handles the HTTP POST method.
				     * @param request servlet request
				     * @param response servlet response
				     */
				    protected void doPost(HttpServletRequest request, HttpServletResponse response)
				    throws ServletException, IOException {
				        processRequest(request, response);
				    }
				    
				    /** Returns a short description of the servlet.
				     */
				    public String getServletInfo() {
				        return "Short description";
				    }
				    // 
				}