java 遍历根类属性

    public static Map<String, Object> encapsulatMap(Object obj) {
        if (null == obj) {
            LOG.error("封装对象对于的map对象出现空对象情况");
            return null;
        }
        Map<String, Object> map = new HashMap<String, Object>();
        try {
            Class clz = obj.getClass();
            while (clz != null) {
                Field fields[] = clz.getDeclaredFields();
                for (Field field : fields) {
                    field.setAccessible(true);
                    // 只使用子类的键值对,父类的相同键值对忽略
                    if (!map.containsKey(field.getName())) {
                        map.put(field.getName(), field.get(obj));
                    }
                }
                // 遍历获取根类
                clz = clz.getSuperclass();
            }
        } catch (IllegalArgumentException e) {
            LOG.error("根据对象封装map对象出现错误", e);
        } catch (IllegalAccessException e) {
            LOG.error("根据对象封装map对象出现错误", e);
        }
        return map;
    }