判断一个对象是否存在有值的属性

public class ObjectFieldIsNotNullUtil {


    public static void main(String[] args)  {
        UserVO vo = new UserVO();
        vo.setToken("1");
        vo.setUserid("1");
        boolean b = notNull(vo,"token");
        System.out.println(b);
    }

    /**
     * 判断一个对象的属性有无值
     * @param o
     * @param as 需要过滤的属性,逗号分隔
     * @return
     */
    public  static boolean  notNull(Object o,String as){
        try {
            for(Field f : o.getClass().getDeclaredFields()){
                f.setAccessible(true);
                Object o1 = f.get(o);
                if(o1!=null && !"".equals(o1)&& !as.contains(f.getName())){
                    return true;
                }
            }
        }catch (Exception e){
            return false;
        }

        return false;
    }


}