package com.csdn.session;

import java.awt.Color;

import java.awt.Font;

import java.awt.Graphics;

import java.awt.image.BufferedImage;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import javax.imageio.ImageIO;

import javax.servlet.ServletException;

import javax.servlet.ServletOutputStream;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpSession;

public class loginForm extends HttpServlet {

 private static final long serialVersionUID = 1L;

 public void doGet(HttpServletRequest request, HttpServletResponse response)

   throws ServletException, IOException {

  doPost(request, response);

 }

 

 private static int WIDTH = 80;

 private static int HEIGHT = 20;

 public void doPost(HttpServletRequest request, HttpServletResponse response)

   throws ServletException, IOException {

  response.setContentType("image/jpeg");

 

  ServletOutputStream out=response.getOutputStream();