Question

非常感谢你的帮助。我已经尝试了几天，但我无法弄明白。我正在尝试构建视频上传表单。令我惊讶的是，我找不到有关该主题的更多信息。

我正在使用Paperclip和paperclip-av-transcoder。这似乎是让我创建一个Video.new记录，但我无法保存@user.videos.build(video_params)。我知道params正在传递，因为它们显示在先前的错误消息中。我没有错误，只是＆＃34; Nope。没有工作＆＃34;我输入的字符串。

class VideosController < ApplicationController

  def new
    @user = User.find(current_user)
    @video = @user.build_video
  end

  def create
    @user = User.find(current_user)
    @video = @user.videos.build(video_params)
    if @video.save
       redirect_to admin_ad_pg_path, :flash => { :error => "It worked!" }
    else
       redirect_to admin_ad_pg_path, :flash => { :error => "Nope. Didn't work." }
    end
  end

  private
    def video_params
      params.require(:video).permit(:avatar)
    end
end


Video Model:

class Video < ApplicationRecord
    belongs_to :user
    has_attached_file :avatar, :styles => {
    :medium => { :geometry => "640x480", :format => 'flv' },
    :thumb => { :geometry => "100x100#", :format => 'jpg', :time => 10 }
    }, :processors => [:transcoder]
    validates_attachment :avatar, content_type: { content_type: /\flv\/.*\Z/ }
end

User Model

class User < ApplicationRecord
has_many :videos
end



 Video Form:
<%= flash[:error] %>
      <%= form_for @video, url: user_videos_path(current_user), :html => { multipart: true } do |f| %>
        <div class="form-group">
          <%= f.label :avatar %>
          <%= f.file_field :avatar, class: 'form-control' %>
        </div>
      <%= f.submit 'Submit',class: 'btn btn-default' %>
      <% end %>

Paperclip Migration:
class AddAttachmentAvatarToVideos < ActiveRecord::Migration
  def self.up
    change_table :videos do |t|
      t.attachment :avatar
    end
  end

  def self.down
    remove_attachment :videos, :avatar
  end
end

谢谢，马特

Answer 1

嘿，你有没有完成这次迁移，请不要这样做，然后再试一次。

def change
  add_column :users, :avatar_meta, :data_type
end

您可以使用以下数据类型：json，：jsonb，：hstore甚至只是：string

Rails Video Upload Paperclip paperclip-av-transcoder表单保存

1 个答案: