1 package com.iwb.servlet;
 2
 3 import java.io.IOException;
 4
 5 import javax.servlet.RequestDispatcher;
 6 import javax.servlet.ServletException;
 7 import javax.servlet.http.HttpServlet;
 8 import javax.servlet.http.HttpServletRequest;
 9 import javax.servlet.http.HttpServletResponse;
10
11 public class LoginServlet extends HttpServlet {
12
13     /**
14      *
15      */
16     private static final long serialVersionUID = 1L;
17
18     /*@Override
19     protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
20         // TODO Auto-generated method stub
21         String userName=req.getParameter("uname");
22         String password=req.getParameter("upwd");
23
24         System.out.println("用户名=>"+userName);
25         System.out.println("密码=>"+password);
26     }*/
27
28     @Override
29     protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
30         // TODO Auto-generated method stub
31         System.out.println("=======进入doGet方法========");
32         doPost(req,resp);
33     }
34
35     @Override
36     protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
37         // TODO Auto-generated method stub
38         System.out.println("=======进入doPost方法========");
39         String userName=req.getParameter("uname");
40         String password=req.getParameter("upwd");
41
42         System.out.println("用户名=>"+userName);
43         System.out.println("密码=>"+password);
44         String forword=null;
45         if(userName.equals("iwb") && password.equals("iwb")){
46             //请求转发
47             forword="/success.jsp";
48             RequestDispatcher rd= req.getRequestDispatcher(forword);
49             rd.forward(req, resp);
50             //重定向
51             //resp.sendRedirect(req.getContextPath()+"/success.jsp");
52         }else{
53             //请求转发
54             forword="/error.jsp";
55             RequestDispatcher rd= req.getRequestDispatcher(forword);
56             rd.forward(req, resp);
57             //重定向
58             //resp.sendRedirect(req.getContextPath()+"/error.jsp");
59         }
60     }
61
62 }