在Rails中使用`JSON.decode`的结果

Mau*_*uiz 2 ruby json get ruby-on-rails

所以我在我的控制器中有一个动作get_response来执行API:

  def memeapi
    require "net/http"
    require "uri"

    @meme = Meme.new(params[:meme])

    url = "http://version1.api.memegenerator.net/Instance_Create?username=apigen&password=SECRET&languageCode=en&generatorID=#{@meme.memeid}&imageID=#{@meme.imgid}&text0=#{@meme.text0}&text1=#{@meme.text1}"
    resp = Net::HTTP.get_response(URI.parse(url))
    data = resp.body
    # I want to convert it to the Rails data structure - a hash
    result = ActiveSupport::JSON.decode(data)


  end
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好的,但现在我想要取回信息,用它来创建另一个对象,但我甚至无法格式化我得到的信息,任何人都可以告诉我我做错了什么,我错过了什么?

我希望能够从get_response... 获取信息...谢谢.

这是JSON结构

{"success":true,"result":{"generatorID":45,"displayName":"Insanity Wolf","urlName":"Insanity-Wolf","totalVotesScore":0,"imageUrl":"/cache/images/400x/0/0/20.jpg","instanceID":13226270,"text0":"push","text1":null,"instanceImageUrl":"/cache/instances/400x/12/12916/13226270.jpg","instanceUrl":"http://memegenerator.net/instance/13226270"}}
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我不想保存所有的字段btw ...

Nik*_* B. 6

resultJSON.decode在你的代码之后会看起来像这样.

{ 
  'success' => true,
  'result'  => {
    "generatorID"      => 45,
    "displayName"      => "Insanity Wolf",
    "urlName"          => "Insanity-Wolf",
    "totalVotesScore"  => 0,
    "imageUrl"         => "/cache/images/400x/0/0/20.jpg",
    "instanceID"       => 13226270,
    "text0"            => "push",
    "text1"            => nil,
    "instanceImageUrl" => "/cache/instances/400x/12/12916/13226270.jpg",
    "instanceUrl"      => "http://memegenerator.net/instance/13226270"
  }
}
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这里有一个嵌套的哈希(哈希作为哈希的一部分),您可以像这样访问:

image_url = result['result']['imageUrl']   # => "/cache/images/400x/0/0/20.jpg"
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你真的想用这些信息做什么,我无法猜测.也许你想更新Meme你创建的对象?

@meme.url = image_url
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