Java -- 读取properties

    private String getRuleByName(String name) {        String rule = "";        Properties prop = new Properties();        InputStream in = RuleService.class.getResourceAsStream("/rule.properties");        try {            prop.load(in);            rule = prop.getProperty(name);        } catch (Exception e) {            logger.warn("警告！！！警告！！！【手机号规则缓存】，未读取到properties配置文件!!!!!!");            return "";        }        return rule;    }