字符串的未定义方法`serializable_hash' [英] undefined method `serializable_hash' for String

问题描述

我正在以下列方式尝试 to_json

i'm trying to_json in the following way

 @own_events.as_json(:include => {:created_date => {},:attendees => {}, :user => {}, :start_times => {}, :end_times =>{}} )

created_date 就是这样的方法

and created_date is a method like that

def created_date
  self.created_at.strftime('%d/%m/%Y %H:%M:%S')
end

因为我需要没有 TZD 的 created_at .. 但是有一个错误

cause i need the created_at without the TZD .. but there is an error

NoMethodError(未定义方法`serializable_hash' for "14/04/2014 16:04:07":String):

NoMethodError (undefined method `serializable_hash' for "14/04/2014 16:04:07":String):

推荐答案

:include 用于在 json 中包含关联，通常是 has_many 或 belongs_to 关联.

:include is used to include associations in the json, usually has_many or belongs_to associations.

要包含像 created_date 这样的方法，请使用 methods:

To include methods like created_date, use methods:

例如:

@own_events.as_json(include: [:attendees, :user, :start_times, :end_times], methods: :created_date )

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