private String _generateRegKey(HttpServletRequest request, HttpServletResponse response) {
String REG_VALUE = null;
String code = RandomStringUtils.randomAlphanumeric(LENGTH).toUpperCase();
code.replace('0', 'W');
code.replace('o', 'R');
code.replace('I', 'E');
code.replace('1', 'T');
REG_VALUE = CryptUtils.encrypt(code, key);
RequestUtils.setCookie(request, response, COOKIE_NAME, REG_VALUE, 1440, true); // 保存1天
return code;
}
/**
* 检查验证码是否正确
*
* @param req
* @return
*/
public boolean validate(HttpServletRequest req) {
Cookie cke = RequestUtils.getCookie(req, COOKIE_NAME);
if (cke == null || StringUtils.isNotBlank(cke.getValue())) {
return false;
}
String value = cke.getValue();
String code1 = null;
try {
code1 = CryptUtils.decrypt(value, key);
} catch (Exception e) {
return false;
}
String code2 = req.getParameter("verifyCode");
return StringUtils.equalsIgnoreCase(code1, code2);
}