Question

我对paperclip gem有一些问题。当我尝试在我的应用程序中添加记录时，我收到错误：http://postimg.org/image/xy0stdctd/

当我添加没有图片上传的记录时，一切都很好。

控制器

def create

  @user = User.new
end

  def made
    @user = User.new(user_params)

    if @user.save
      redirect_to(action:'index' )
    else
      render ('index')

    end
  end
def user_params
  params.require(:user).permit(:avatar, :name)
end

视图

<%= form_for :user, url: {action: 'made'}, :html => { :multipart => true } do |form| %>
    <%= form.text_field :name %>

    <br>

    <%= form.file_field :avatar %>
    <br>


    <%= form.submit "dodaj" %>
<% end %>

在终端我有

呈现C：/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/actionpack-4.2.0/lib/action_dispatch/middleware/templates/rescues/_source.erb(1.0ms）呈现C：/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/actionpack-4.2.0/lib/action_dispatch/middleware/templates/rescues/_trace.html.erb(8.0ms）渲染C：/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/actionpack-4.2.0/lib/action_dispatch/middleware/templates/rescues/_request_and_response.html.erb(2.0ms）呈现C：/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/actionpack-4.2.0/lib/action_dispatch/middleware/templates/rescues/template_error.html.erb救援/ 布局（130.0ms）无法使用内容类型multipart / form-dataAllowed内容类型呈现控制台：[＃，＃，＃]

回形针问题，上传图片

0 个答案: