Rails中的 attributes 方法

Rails中的 attributes 方法, 数据库对象转换成 hash

attributes ===> to_hash

merber = Member.firstMember Load (0.5ms)  SELECT  `members`.* FROM `members` ORDER BY `members`.`id` ASC LIMIT 1 => #<Member id: 1, name: 786, created_at: "2017-02-14 06:05:04", updated_at: "2017-02-14 07:54:47"> 2.3.0 :005 > merber => #<Member id: 1, name: 786, created_at: "2017-02-14 06:05:04", updated_at: "2017-02-14 07:54:47"> 2.3.0 :006 > merber.attributes => {"id"=>1, "name"=>786, "created_at"=>Tue, 14 Feb 2017 14:05:04 CST +08:00,"updated_at"=>Tue, 14 Feb 2017 15:54:47 CST +08:00}