java.util.Properties 读取配置文件中的参数   

  //读取配置文件

        FileInputStream inStream = null;

        try {

            inStream = new FileInputStream("/fetchedfile/redis.conf");

            Properties prop = new Properties();

            prop.load(inStream);

            Field field;

            String property;

        //将配置参数读到对象中

            for(Map.Entry<String, String> entry : RedisConstants.REDIS_PARAM.entrySet()){

                System.out.println(entry.getKey() + ": " + prop.getProperty(entry.getKey()));

                field = redisServiceParam.getClass().getDeclaredField(entry.getValue());

                field.setAccessible(true);

                //获取参数

                property = prop.getProperty(entry.getKey());

                if(null == property || property.isEmpty()){

                    field.set(redisServiceParam, null);

                }else{

                    field.set(redisServiceParam, property);

                }

            }

        } catch (IOException | NoSuchFieldException | IllegalAccessException e) {

            e.printStackTrace();

        }finally {

            if (inStream != null) {

                try {

                    inStream.close();

                } catch (IOException e) {

                    e.printStackTrace();

                }

            }

        }