modejpeg.java

只是一网站项目不错的可以看看的不看会后悔啊

package com.hygj.sunqi.j2ee.servlet;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import java.awt.image.*;
import java.awt.*;

public class ModeJpeg extends HttpServlet {
  private static final String CONTENT_TYPE = "text/html; charset=GBK";
  private HttpSession session = null;
  private String[] num = new String[4];
  //Initialize global variables
  public void init() throws ServletException {
  }
  //Process the HTTP Get request
  public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    //response.setContentType("image/jpeg");
    response.setHeader("cache-control","no-cache");
    response.setHeader("content-type","image/jpeg");
    java.awt.image.BufferedImage bim = new java.awt.image.BufferedImage(60,20,BufferedImage.TYPE_INT_RGB);
    Graphics g = bim.getGraphics();
    g.setColor(Color.orange);
    g.fillRect(0,0,60,20);
    g.setFont(new Font("黑体",Font.BOLD,16));
    for(int i = 0;i < 4;i++){
      int rand = (int)(Math.random()*10);
      g.setColor(Color.blue);
      g.drawString((num[i]=String.valueOf(rand)),13*i+6,16);
    }
    session = request.getSession();
    session.setAttribute("checkMode",num);
    g.dispose();
    OutputStream out = response.getOutputStream();
    javax.imageio.ImageIO.write(bim,"JPEG",out);
  }
  //Process the HTTP Post request
  public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    doGet(request, response);
  }
  //Clean up resources
  public void destroy() {
  }
}