rails to_json的使用_Ruby_编程开发_程序员俱乐部

http://apidock.com/rails/ActiveRecord/Serialization/to_json

?

konata.to_json(:include => :posts)
  # => {"id": 1, "name": "Konata Izumi", "age": 16,
        "created_at": "2006/08/01", "awesome": true,
        "posts": [{"id": 1, "author_id": 1, "title": "Welcome to the weblog"},
                  {"id": 2, author_id: 1, "title": "So I was thinking"}]}

使用include包含有one_to_many关系的对象