.setAttribute("user", user);
return "login";
}
} else {
ServletActionContext.getRequest().getSession()
.setAttribute("login", "acerror");
return "loginerror";
}
}
public String checkAcodet() {
if (((String) ServletActionContext.getRequest().getSession()
.getAttribute("checkcode")).equalsIgnoreCase(acodet)) {
cacodet = true;
} else {
cacodet = false;
}
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,
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);
g.setFont(imgFont);
g.setColor(getRandColor(160, 200));
for (int i = 0; i < 155; i++) {
int x = random.nextInt(width - 1);
int y = random.nextInt(height - 1);
int xl = random.nextInt(6) + 1;
int yl = random.nextInt(12) + 1;
g.drawLine(x, y, x + xl, y + yl);
}
for (int i = 0; i < 70; i++) {
int x = random.nextInt(width - 1);
int y = random.nextInt(height - 1);
int xl = random.nextInt(12) + 1;
int yl = random.nextInt(6) + 1;
g.drawLine(x, y, x - xl, y - yl);
}
for (int i = 0; i < 4; i++) {
int itmp = 0;
if (random.nextInt(2) == 1) {
itmp = random.nextInt(26) + 65;
char ctmp = (char) itmp;
sRand += String.valueOf(ctmp);
g.setColor(new Color(20 + random.nextInt(110), 20 + random
.nextInt(110), 20 + random.nextInt(110)));
g.drawString(String.valueOf(ctmp), 15 * i + 10, 16);
} else if (random.nextInt(3) == 1) {
itmp = random.nextInt(26) + 97;
char ctmp = (char) itmp;
sRand += String.valueOf(ctmp);
g.setColor(new Color(20 + random.nextInt(110), 20 + random
.nextInt(110), 20 + random.next