每日一石--读取配置文件中的内容小实例

    /**     * 读取配置文件中的url请求网关地址     */    private String readAddr() {        String addr = null;        Properties props = new Properties();        String filePath = System.getProperty("user.dir") + "/resources/addr.properties";        try {            InputStream in = new BufferedInputStream(new FileInputStream(filePath));            props.load(in);            addr = props.getProperty("addr");            logger.info("addr=" + addr);        } catch (FileNotFoundException e) {            logger.error(e.toString());        } catch (IOException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }        return addr;    }