1
尝试围绕通过CarrierWave上传图像的第一次尝试。我可以看到正在发送的数据,但随后在控制台中我还看到了一个BEGIN和一个ROLLBACK。 所以,这里是我迄今为止Rails Carrierwave“action”=>“create”}允许:false>
控制器
class PhotosController < ApplicationController
before_action :set_photo, only: [:show, :edit, :update]
def index
@photos = Photo.all
end
def new
@photos = Photo.new
end
def create
@photo = Photo.new(photo_params)
if @photo.save
redirect_to photos_path, notice: "The photo #{@photo.name} has been uploaded."
else
render "new"
end
end
private
def photo_params
params.require(:photo).permit(:name, :image, :id)
end
def set_photo
@photo = Photo.find(params[:id])
end
end
FORM
<div class="well">
<%= form_for Photo.new, html: { multipart: true } do |f| %>
<%= f.label :name %>
<%= f.text_field :name %>
<%= f.label :image %>
<%= f.file_field :image %>
<%= f.submit "Save", class: "btn btn-primary" %>
<% end %>
</div>
模型
class Photo < ApplicationRecord
mount_uploader :image, ImageUploader
end
Uploader是因为产生相当多,存储的文件,它使用MiniMagick并启用了拇指版
现在,当我点击提交按钮,我看到这个控制台:
Started POST "/photos" for 127.0.0.1 at 2017-09-14 22:11:25 +0200
Processing by PhotosController#create as HTML
Parameters: {"utf8"=>"V", "authenticity_token"=>"Aj4CyJLaxh439igdVYJ60Pz9TqLzuvPVfkh903YAcaVuIqU8bKmX0zrgbL/GvnabcQ7i/hsqWxwvG1NRQO16JA==", "photo
"=>{"name"=>"fdsfds", "image"=>#<ActionDispatch::Http::UploadedFile:0xa96f1d0 @tempfile=#<Tempfile:C:/Users/Andrea/AppData/Local/Temp/RackMultipart2
0170914-4696-1pwrynm.jpg>, @original_filename="Clipboard02.jpg", @content_type="image/jpeg", @headers="Content-Disposition: form-data; name=\"photo[
image]\"; filename=\"Clipboard02.jpg\"\r\nContent-Type: image/jpeg\r\n">},
"commit"=>"Save"}
(1.0ms) BEGIN
(0.0ms) ROLLBACK
在页面上,我正在运行的上传,它返回到新的形式和THI文本显示在底部
<ActionController::Parameters {"utf8"=>"✓", "authenticity_token"=>"....(manuallyremoved)==", "photo"=><ActionController::Parameters {"name"=>"fdsfds", "image"=>#<ActionDispatch::Http::UploadedFile:0xa96f1d0 @tempfile=#<Tempfile:C:/Users/Andrea/AppData/Local/Temp/RackMultipart20170914-4696-1pwrynm.jpg>, @original_filename="Clipboard02.jpg", @content_type="image/jpeg", @headers="Content-Disposition: form-data; name=\"photo[image]\"; filename=\"Clipboard02.jpg\"\r\nContent-Type: image/jpeg\r\n">} permitted: false>, "commit"=>"Save", "controller"=>"photos", "action"=>"create"} permitted: false>
那么在这种情况下,究竟是什么导致允许:false? 我也注意到,有我的公共/上传/ tmp中创建的文件夹和图像实际上是保存该文件夹中
感谢您的任何建议
有趣。我尝试添加其他站点上发现的那些调试器行中的一行,但是猜测我做错了。现在事实证明,这个问题是由于我在上传器中启用了缩略图,所以我必须弄清楚为什么会产生问题。尽管前进一步。感谢Fabrizio的好提示! – Andrea
@Andrea如果您需要更多帮助,请提问问题的详细信息,然后向我发送链接,以便我可以阅读并尝试帮助您。谢谢 –
谢谢@Fabrizio其实我刚刚发布了另一个问题https://stackoverflow.com/questions/46268538/rails-couldnt-find-nested-resource-with-id – Andrea