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我是 Rails 新手,无法弄清楚如何遍历这些数据。这是集成 etsy API 的 gem 的输出。它看起来像一组哈希数组,也许吧?

output=[#<Etsy::Listing:0x5551ba8 @result={"listing_id"=>182661496, "title"=>"Edible Butterflies in Coral", "quantity"=>1, "price"=>"12.50", "ending_tsz"=>1405362199, "shipping_template_id"=>nil, "MainImage"=>{"url_75x75"=>"https://img1.etsystatic.com/036/0/8545731/il_75x75.576542775_ibud.jpg"}}, @token="token", @secret="secret">, 
#<Etsy::Listing:0x5551bc0 @result={"listing_id"=>182671909, "title"=>"Marshmallow Sampler Pack", "quantity"=>3, "price"=>"9.50", "ending_tsz"=>1405362468, "shipping_template_id"=>1680751676, "MainImage"=>{"url_75x75"=>"https://img1.etsystatic.com/021/0/8545731/il_75x75.576544537_n2zo.jpg"}}, @token="token", @secret="secret">, 
#<Etsy::Listing:0x5551bf0 @result={"listing_id"=>182663346, "title"=>"Gourmet popcorn and seasoning kit", "quantity"=>15, "price"=>"26.95", "ending_tsz"=>1405363087, "shipping_template_id"=>nil, "MainImage"=>{"url_75x75"=>"https://img0.etsystatic.com/026/0/8545731/il_75x75.576428850_r1mv.jpg"}}, @token="token", @secret">, 
#<Etsy::Listing:0x5551c08 @result={"listing_id"=>189414412, "title"=>"Sailor Tote Bag", "quantity"=>45, "price"=>"50.00", "ending_tsz"=>1410586221, "shipping_template_id"=>1024284528, "MainImage"=>{"url_75x75"=>"https://img0.etsystatic.com/039/0/8545731/il_75x75.576443100_slse.jpg"}}, @token="token", @secret="secret">]

我尝试过的任何方法似乎都不起作用。将其视为数组适用于某些事情,例如: output.length 正确返回4。但是 output[0] 返回<Etsy::Listing:0x5483418>没有任何其他数据。我真正需要的只是@result={} 中包含的内容。想法?谢谢!

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2 回答 2

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看起来您错过了在 doc 中阅读此内容:

listings = output.map do |listing| 
  { 
    "title"    => listing.title, 
    "quantity" => listing.quantity, 
    "price"    => listing.price
  }
end
于 2014-10-31T08:21:43.220 回答
0

你写了:

它看起来像一组哈希数组,也许吧?

它是一个对象数组。每个对象都是一个Etsy::Listing实例。您应该能够在 Rails 控制台上执行此操作:

> listing = output.first
#=> <Etsy::Listing:0x5483418>
> listing.result
#=> {"listing_id"=>182661496, …}

如果你想对每个列表做一些事情,你可以这样做:

> output.each {|listing| puts listing.result.title }
Edible Butterflies in Coral
Marshmallow Sampler Pack
Gourmet popcorn and seasoning kit
Sailor Tote Bag
> 
于 2014-10-31T08:16:25.983 回答