小编ido*_*obn的帖子

我想从凤凰城的一个ecto协会生成JSON.

这是我的协会:

defmodule Blog.Post do
  use Ecto.Model

  schema "posts" do
    field :title, :string
    field :body, :string
    has_many :comments, Blog.Comment
  end
end

和:

defmodule Blog.Comment do
  use Ecto.Model

  schema "comments" do
    field :content, :string
    belongs_to :post, Blog.Post
  end
end

当我生成没有关联的json时,结果如下:

[%Blog.Post{body: "this is the very first post ever!", id: 1,title: "first post"},
 %Blog.Post{body: "Hello nimrod!!!!", id: 12, title: "hi Nimrod"},
 %Blog.Post{body: "editing the body!!!!", id: 6, title: "hello(edit)"}]

而json看起来像这样

{"posts": [
    {
        "title": "first post",
        "id": 1,
        "body": "this is the …