code: public static Boolean access(String rule) throws Exception {
  		try {
  			return ContextUtils.getAccessRuleEngine(ContextUtils.getRequest())
  					.eval(rule);
  		} catch (Exception e) {
  			logger.error("Error evaluating access rule defined in JSP: \""
  					+ rule + "\"", e);
  		}
  
  		return false;
  	}
docs: 执行Access Rule