Как сделать изображение на новой вкладке через контроллер с BLOB-файлом - PullRequest
0 голосов
/ 18 июня 2019

Я пытался отобразить данные больших двоичных объектов или изображение base64, поступающие из FedEx API, и по какой-то причине он создает новую вкладку, но неверную ссылку в представлении, поэтому изображение просто черное.

То, что я сделал, находится на моем WorkorderController. У меня есть этот код для создания этикетки доставки. Это форма, которая отправляет запрос get на другой контроллер

<div>
  <%= form_tag "/api/shipping#generate_shipping/", method: :get do%>
  <%= hidden_field_tag :workorder_id , workorder.id %>  
    <%= submit_tag("Generate Shipping Label", class: "btn btn-success", formtarget: "_blank") do%>
      <%= image_tag url_for(:controller => "ShippingController", :action => "generate_shipping") %>
    <% end %>
  <% end %>
</div>

это открывает новую вкладку и должно показывать изображение этикетки доставки

и на моем Api::ShippingController у меня есть этот код, который генерирует этикетку доставки

 fedex_rates = @fedex.find_rates(origin, destination, packages)

 options = {
      service_type: 'FIRST_OVERNIGHT'
    }

    shipment_data_response = @fedex.create_shipment(origin, destination, packages, options)


    blob_img = c.params["ProcessShipmentReply"]["CompletedShipmentDetail"]["CompletedPackageDetails"]["Label"]["Parts"]["Image"]
    tracking_number = c.params["ProcessShipmentReply"]["CompletedShipmentDetail"]["CompletedPackageDetails"]["TrackingIds"]["TrackingNumber"]

    # img = "base64encodedstring"
    image = Magick::Image.from_blob(Base64.decode64(blob_img))
    path = "./shipping_label/#{tracking_number}.png"
    image[0].write(path)

    # render json: {rates: fedex_rates, fedex: @fedex.methods, details:shipment_data_response.params, trackingNum:tracking_number}

    send_data(blob_img, type: "image/png", disposition: "inline")

Итак, половина из них работает, я нажимаю кнопку generate shipping label, генерирует новую этикетку доставки, но на новой вкладке генерирует этот тег изображения с неправильным значением / ссылкой

<img style="-webkit-user-select: none;" src="http://localhost:3000/api/shipping?utf8=%E2%9C%93&amp;workorder_id=56&amp;commit=Generate+Shipping+Label#generate_shipping/?workorder_id=56">

это ответ на изображение, которое я получаю, если вы скопируете его и вставите сюда http://freeonlinetools24.com/ изображение отображается правильно. Что я здесь не так делаю? спасибо

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

UPDATE

нашел способ сделать это.

 respond_to do |format|
      format.html { render html:"<img src=data:image/png;base64,#{blob_img}>".html_safe}
    end

но не может печатать. (

...