/**
* Paint method for applet.
*
* @param g the Graphics object for this applet
*/
public void paint(Graphics g) {
// simple text displayed on applet
g.setColor(c);
g.fillRect(0, 0, 200, 100);
g.setColor(Color.black);
g.drawString("Sample Applet", 20, 20);
g.setColor(Color.blue);
g.drawString("created by BlueJ", 20, 40);
}
@Override
public void paintComponent(Graphics g) {
g.setColor(getBackground());
g.fillRect(0, 0, getWidth(), getHeight());
int w = bufferedImage.getWidth(this);
int h = bufferedImage.getHeight(this);
if (mode == Flip.NONE) {
g.drawImage(bufferedImage, 0, 0, w, h, this);
} else if (mode == Flip.VERTICAL) {
AffineTransform at = AffineTransform.getScaleInstance(1d, -1d);
at.translate(0, -h);
Graphics2D g2 = (Graphics2D) g.create();
g2.drawImage(bufferedImage, at, this);
g2.dispose();
} else if (mode == Flip.HORIZONTAL) {
AffineTransform at = AffineTransform.getScaleInstance(-1d, 1d);
at.translate(-w, 0);
AffineTransformOp atOp = new AffineTransformOp(at, null);
g.drawImage(atOp.filter(bufferedImage, null), 0, 0, w, h, this);
}
}
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é¢ä¸ç¼å
response.setHeader("Pragma", "No-cache");
response.setHeader("Cache-Control", "no-cache");
response.setDateHeader("Expires", 0);
// å¨å
åä¸å建å¾è±¡
int width = 60, height = 20;
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
// è·åå¾å½¢ä¸ä¸æ
Graphics g = image.getGraphics();
// çæéæºç±»
Random random = new Random();
// 设å®èæ¯è²
g.setColor(getRandColor(200, 250));
g.fillRect(0, 0, width, height);
// 设å®åä½
g.setFont(new Font("Times New Roman", Font.PLAIN, 18));
// ç»è¾¹æ¡
// g.setColor(new Color());
// g.drawRect(0,0,width-1,height-1);
// éæºäº§ç155æ¡å¹²æ°çº¿ï¼ä½¿å¾è±¡ä¸ç认è¯ç ä¸æ被å
¶å®ç¨åºæ¢æµå°
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);
}
// åéæºäº§çç认è¯ç (4ä½æ°å)
String sRand = "";
for (int i = 0; i < 4; i++) {
String rand = String.valueOf(random.nextInt(10));
sRand += rand;
// å°è®¤è¯ç æ¾ç¤ºå°å¾è±¡ä¸
g.setColor(
new Color(
20 + random.nextInt(110), 20 + random.nextInt(110), 20 + random.nextInt(110)));
// è°ç¨å½æ°åºæ¥çé¢è²ç¸åï¼å¯è½æ¯å
// 为ç§å太æ¥è¿ï¼æ以åªè½ç´æ¥çæ
g.drawString(rand, 13 * i + 6, 16);
}
// å°è®¤è¯ç åå
¥SESSION
session.setAttribute("rand", sRand);
// å¾è±¡çæ
g.dispose();
// è¾åºå¾è±¡å°é¡µé¢
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);
}
}
public void drawMe(Graphics g) {
g.setColor(getColor());
Rectangle r =
new Rectangle(10 + (width) * getIndex() + 40, height - getNum(), width - 1, getNum());
g.fillRect(r.x, r.y, (int) r.getWidth(), (int) r.getHeight());
}
