%> <%
response.setHeader(\,\);
response.setHeader(\,\); response.setDateHeader(\, 0);
int width=60, height=20;
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics g = image.getGraphics();
Random random = new Random();
g.setColor(getRandColor(200,250)); g.fillRect(0, 0, width, height);
g.setFont(new Font(\,Font.PLAIN,18));
//g.setColor(new Color());
//g.drawRect(0,0,width-1,height-1);
g.setColor(getRandColor(160,200)); for (int i=0;i<155;i++) {
int x = random.nextInt(width); int y = random.nextInt(height); int xl = random.nextInt(12); int yl = random.nextInt(12); g.drawLine(x,y,x+xl,y+yl); }
String sRand=\; for (int i=0;i<4;i++){
String rand=String.valueOf(random.nextInt(10));
sRand+=rand;
g.setColor(new
Color(20+random.nextInt(110),20+random.nextInt(110),20+random.nextInt(110)));
g.drawString(rand,13*i+6,16); }
session.setAttribute(\,sRand); System.out.println(\输出生成的验证码\+sRand);
g.dispose();
OutputStream output=response.getOutputStream();
ImageIO.write(image, \, response.getOutputStream()); output.flush(); out.clear();
out = pageContext.pushBody(); %>
在CheckLogin的Action中获取用户输入的验证码（跟用户名和密码方式一样，通过set和get方法）和系统生成的验证码（在验证码生成页面V.jsp中已经将其放入session中属性，只需在action中getsession就可以）
realcode=ActionContext.getContext().getSession().get(\).toString();
System.out.print(\通过Session获取到的验证码为：\+realcode);
2.3 附：相关截图
SSH2整合Extjs所需要的JAR包
项目框架搭建：
