Form_for与:multipart =>真正的吐出来 [英] Form_for with :multipart => true spits out

问题描述

我正在尝试将头像上传"字段添加到我的个人资料页面"，但是一旦我向其中添加:html => {:multipart => true}，它就会吐出语法错误.

I am trying to add an Avatar Upload field to my Profile Page, but as soon as I add the :html => {:multipart => true} to it, it spits out an syntax error.

<%= form_for(@user), :html => { :multipart => true } do |f| %>
<%= render 'shared/error_messages', object: f.object %>

<%= f.label :name %>
<%= f.text_field :name %>

<%= f.label :email %>
<%= f.email_field :email %>

<%= f.label :password %>
<%= f.password_field :password %>

<%= f.label :password_confirmation, "Confirmation" %>
<%= f.password_field :password_confirmation %>


<%= f.label :avatar %>
    <%= f.file_field :avatar %>

    <%= f.submit "Save changes", class: "btn btn-large btn-primary" %>
<% end %>

错误是:

syntax error, unexpected tASSOC, expecting keyword_end
...end=  form_for(@user), :html => { :multipart => true } do |f...
...                               ^

推荐答案

http://guides.rubyonrails.org/form_helpers.html#uploading-files

它是带有multipart => true的form_tag助手，或者仅仅是form_for

It's either a form_tag helper with multipart => true or just form_for

<%= form_tag({:action => :upload}, :multipart => true) do %>
  <%= file_field_tag 'picture' %>
<% end %>

<%= form_for @person do |f| %>
  <%= f.file_field :picture %>
<% end %>

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