Esempio n. 1
0
  public void _jspService(HttpServletRequest request, HttpServletResponse response)
      throws java.io.IOException, ServletException {

    PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;
    PageContext _jspx_page_context = null;

    try {
      response.setContentType("image/jpeg");
      pageContext =
          _jspxFactory.getPageContext(
              this, request, response, "/myhtml/errorpage/erroe.jsp", true, 8192, true);
      _jspx_page_context = pageContext;
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;

      out.write("\r\n");
      out.write("\r\n");
      out.write('\r');
      out.write('\n');

      // 设置页面不缓存
      response.setHeader("Pragma", "No-cache");
      response.setHeader("Cache-Control", "no-cache");
      response.setDateHeader("Expires", 0);

      //   在内存中创建图象
      int width = 60, height = 20;
      BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

      //   获取图形上下文
      Graphics g = image.getGraphics();

      // 生成随机类
      Random random = new Random();

      //   设定背景色
      g.setColor(getRandColor(200, 250));
      g.fillRect(0, 0, width, height);

      // 设定字体
      g.setFont(new Font("Times   New   Roman", Font.PLAIN, 18));

      // 画边框
      // g.setColor(new   Color());
      // g.drawRect(0,0,width-1,height-1);

      //   随机产生155条干扰线,使图象中的认证码不易被其它程序探测到
      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);
      }

      //   取随机产生的认证码(4位数字)
      String sRand = "";
      for (int i = 0; i < 4; i++) {
        String rand = String.valueOf(random.nextInt(10));
        sRand += rand;
        //   将认证码显示到图象中
        g.setColor(
            new Color(
                20 + random.nextInt(110), 20 + random.nextInt(110), 20 + random.nextInt(110)));
        // 调用函数出来的颜色相同,可能是å›
        // ä¸ºç§å­å¤ªæŽ¥è¿‘,所以只能直接生成
        g.drawString(rand, 13 * i + 6, 16);
      }

      //   将认证码存入SESSION
      session.setAttribute("rand", sRand);

      //   图象生效
      g.dispose();

      //   输出图象到页面
      ImageIO.write(image, "JPEG", response.getOutputStream());
      out.clear();
      out = pageContext.pushBody();

    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)) {
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          try {
            out.clearBuffer();
          } catch (java.io.IOException e) {
          }
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
        else log(t.getMessage(), t);
      }
    } finally {
      _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
Esempio n. 2
0
  private void drawLayout(Graphics g) {
    g.setColor(Color.blue);
    g.drawRect(10, 10, width - 20, height - 20);

    g.setColor(Color.red.brighter());
    Iterator f = players.iterator();
    int lifeDisplayPosition = 0;
    while (f.hasNext()) {
      Player h = (Player) f.next();
      if (h.isActive()) {
        lifeDisplayPosition++;
        String lifeInformation = "Player " + lifeDisplayPosition + ": ";
        for (int i = 0; i < h.getLives(); i++) {
          lifeInformation += "\u2606";
        }
        g.drawString(lifeInformation, 20, lifeDisplayPosition * 40);
      }
    }

    borders[2] = width - 20;
    borders[3] = height - 20;

    Iterator i = players.iterator();
    Player p;
    while (i.hasNext()) {
      p = (Player) i.next();
      if (p.isActive()
          && !countdownF
          && (p.getX() < borders[0]
              || p.getY() < borders[1]
              || p.getX() > borders[2]
              || p.getY() > borders[3])
          && (!p.getImmunity())) {
        p.decLives(width / 2, height / 2);
        p.setImmunity(true);
      }
      if (p.getLives() <= 0) {
        if (p instanceof MouseControlledPlayer) {
          MouseControlledPlayer m = (MouseControlledPlayer) p;
          removeMouseListener(m);
          removeMouseMotionListener(m);
        } else if (p instanceof KeyboardControlledPlayer) {
          KeyboardFocusManager.getCurrentKeyboardFocusManager()
              .removeKeyEventDispatcher((KeyboardControlledPlayer) p);
        }
        i.remove();
        for (int h = 0; h < 4; h++) {
          if (deathLocation[h] == -1) {
            deathLocation[h] = p.getX();
            deathLocation[h + 1] = p.getY();
            break;
          }
        }
      }
    }

    if ((deathLocation[0] != -1) && (deathLocation[1] != -1)) {
      g.drawLine(
          deathLocation[0] - 15,
          deathLocation[1] - 15,
          deathLocation[0] + 15,
          deathLocation[1] + 15);
      g.drawLine(
          deathLocation[0] + 15,
          deathLocation[1] - 15,
          deathLocation[0] - 15,
          deathLocation[1] + 15);
    }
    if ((deathLocation[2] != -1) && (deathLocation[3] != -1)) {
      g.drawLine(
          deathLocation[2] - 15,
          deathLocation[3] - 15,
          deathLocation[2] + 15,
          deathLocation[3] + 15);
      g.drawLine(
          deathLocation[2] + 15,
          deathLocation[3] - 15,
          deathLocation[2] - 15,
          deathLocation[3] + 15);
    }

    if (!onePlayerAlive) {
      Font old = g.getFont();
      g.setFont(new Font("monospaced", Font.BOLD, 20));
      g.setColor(Color.red.darker());
      g.drawString("GAME OVER", width / 2 - 40, height / 2);
      g.setFont(old);
      g.setColor(Color.WHITE);
      g.drawString("Score", width - 60, 25);
      g.drawString(String.valueOf(score), width - 60, 40);
    }
  }