package com.sss;

import java.awt.Color;

import java.awt.Font;

import java.awt.Graphics;

import java.awt.image.BufferedImage;

import java.io.IOException;

import java.io.PrintWriter;

import java.util.Random;

import javax.imageio.ImageIO;

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 com.sun.org.apache.commons.digester.rss.Image;

public class Love2 extends HttpServlet {

	@Override

	protected void service(HttpServletRequest request, HttpServletResponse response)

			throws ServletException, IOException {

		response.setContentType("image/jpeg");//类型---->一个验证码的图片

		BufferedImage image=new BufferedImage(120, 30, BufferedImage.TYPE_INT_RGB);

		Graphics g=image.getGraphics();

		g.setColor(Color.yellow);

		g.setColor(new Color(0xFF7F00));

		g.setFont(new Font("",Font.BOLD,34));

		g.drawRect(1, 1, 100, 50);

		String str=run()+run()+run()+run()+run();

		g.drawString(str, 3, 30);

		HttpSession session=request.getSession();

		session.setAttribute("yan", str);

		ImageIO.write(image, "jpeg",response.getOutputStream() );

	}

	public String run(){

			Random r=new Random();

			int x=r.nextInt(3);

			char c='\u0000';

			switch(x){

			case 0:

				c=(char) (r.nextInt(10)+48);break;

			case 1:

				c=(char)(r.nextInt(10)+97);break;

			case 2:

				c=(char)(r.nextInt(10)+65);break;

			}

			return String.valueOf(c);

	}

}