package com.servlet;import java.io.IOException;import java.io.PrintWriter;import javax.servlet.RequestDispatcher;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;/**?* Servlet implementation class LoginServlet?*/@WebServlet("/Judge")public class LoginServlet extends HttpServlet { protected void processRequest(HttpServletRequest request, HttpServletResponse response)throws ServletException,IOException{ response.setContentType("text/html;charset=gbk"); PrintWriter out =response.getWriter(); String userid =request.getParameter("userid"); String password =request.getParameter("password"); if((userid.equals("admin"))&&(password.equals("test"))){ RequestDispatcher dispatcher =getServletConfig().getServletContext().getRequestDispatcher("/loginSuccess"); dispatcher.forward(request,response); }else{ RequestDispatcher dispatcher =getServletConfig().getServletContext().getRequestDispatcher("/loginFail"); dispatcher.forward(request,response); } }? ? ? ?? ? /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub processRequest(request,response); } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub processRequest(request,response); }}