return "checkacode";
    }

       
   
   
/**
     * ****************** * Action生成验证码* ******************
     */
    private Font imgFont = new Font("Times New Roman", Font.BOLD, 17);

    Color getRandColor(int fc, int bc) {

        Random random = new Random();

        if (fc > 255) {

            fc = 255;

        }

        if (bc > 255) {

            bc = 255;

        }

        int r = fc + random.nextInt(bc - fc);

        int g = fc + random.nextInt(bc - fc);

        int b = fc + random.nextInt(bc - fc);

        return new Color(r, g, b);

    }

    public void checkCodeImage() {

        HttpServletRequest request = ServletActionContext.getRequest();

        HttpServletResponse response = ServletActionContext.getResponse();

        response.setHeader("Pragma", "No-cache");

        response.setHeader("Cache-Control", "no-cache");

        response.setDateHeader("Expires", 0);

        response.setContentType("image/jpeg");

        int width = 75, 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(1, 1, width - 1, height - 1);

        g.setColor(new Color(102, 102, 102));

        g.drawRect(0, 0, width - 1, height - 1);

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