[英]Carrierwave File Upload
我正在嘗試使用railcasts.com Jquery File Upload建議的多個文件上傳。 我已經進行了測試,但是似乎每次刷新服務器時都看不到任何東西,在以下瀏覽器中我得到了
我的文件夾中似乎什么也沒有上傳。 我希望我的圖片成為上傳者的地方是public / upload /:imageid
這是我的代碼上傳器
class AimageUploader < CarrierWave::Uploader::Base
include CarrierWave::RMagick
include Sprockets::Helpers::RailsHelper
include Sprockets::Helpers::IsolatedHelper
storage :file
def store_dir
"uploads/#{model.id}"
end
version :thumb do
process :resize_to_fill => [200, 200]
end
def extension_white_list
%w(jpg jpeg gif png)
end
end
視圖
<div><%= image_tag(ad.aimage_url(:thumb)) %></div>
我錯過了一步嗎?
模型
# == Schema Information
#
# Table name: ads
#
# id :integer not null, primary key
# name :string(255)
# aimage :string(255)
# created_at :datetime not null
# updated_at :datetime not null
# advertisement_id :integer
#
class Ad < ActiveRecord::Base
attr_accessible :aimage, :advertisement_id, :name
mount_uploader :aimage, AimageUploader
end
查看index.html.erb
<% @ads.each do |ad| %>
<div><%= ad.name %></div>
<%= image_tag(ad.aimage_url(:thumb)) if ad.aimage? %>
<div>
<%= link_to 'Show', ad %>
<%= link_to 'Edit', edit_ad_path(ad) %>
<%= link_to 'Destroy', ad, method: :delete, data: { confirm: 'Are you sure?' } %>
</div>
<% end %>
<br />
<%= form_for Ad.new do |f| %>
<div><%= f.label :aimage, "Upload advertisement:" %></div>
<div><%= f.file_field :aimage, multiple: true, name: "advertisement[aimage]" %></div>
<% end %>
控制者
class AdsController < ApplicationController
def index
@ads = Ad.all
end
def show
@ad = Ad.find(params[:id])
end
def new
@ad = Ad.new
end
def edit
@ad = Ad.find(params[:id])
end
def create
@ad = Ad.create(params[:ad])
if @ad.save
flash[:notice] = "Successfully created advertisement."
redirect_to root_url
else
render :action => 'new'
end
end
def destroy
@ad = Ad.find(params[:id])
@ad.destroy
end
end
JavaScript ads.js.coffee
jQuery ->
$('#new_ad').fileupload()
對我來說看起來不錯!
您的上傳器是否安裝在模型上? 如果沒有,請嘗試
mount_uploader :image, AimageUploader
並且在您看來,設置多選選項
<%= f.file_field :image, multiple: true, name: "model_name[image]" %>
我建議你使用回形針
創建一個名為Image的模型,如下所示:
class Image < ActiveRecord::Base
has_attached_file :file
end
假設用戶模型將具有多個圖像:
class User < ActiveRecord::Base
has_many :images
end
您可以使用單獨的image_controller來處理文件上傳
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