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我把一個接觸的形式一起使用下面的教程:http://matharvard.ca/posts/2011/aug/22/contact-form-in-rails-3/接觸形式沒有方法誤差爲Rails 3
我已經照着所有的說明,但由於某些原因,當我嘗試我不斷收到此錯誤訪問我的應用程序中的聯繫頁面:
NoMethodError in Contact#new
undefined method `[]' for nil:NilClass
Extracted source (around line #1):
1: <%= form_for @message, :url => contact_path do |form| %>
2: <fieldset class="fields">
3: <div class="field">
4: <%= form.label :name %>
我在這裏錯過了什麼?
new.html.erb
<%= form_for @message, :url => contact_path do |form| %>
<fieldset class="fields">
<div class="field">
<%= form.label :name %>
<%= form.text_field :name %>
</div>
<div class="field">
<%= form.label :email %>
<%= form.text_field :email %>
</div>
<div class="field">
<%= form.label :subject %>
<%= form.text_field :subject %>
</div>
<div class="field">
<%= form.label :body %>
<%= form.text_area :body %>
</div>
</fieldset>
<fieldset class="actions">
<%= form.submit "Send" %>
</fieldset>
<% end %>
contact_controller.rb
class ContactController < ApplicationController
def new
@message = Message.new
end
def create
@message = Message.new(params[:message])
if @message.valid?
NotificationsMailer.new_message(@message).deliver
redirect_to(root_path, :notice => "Message was successfully sent.")
else
flash.now.alert = "Please fill all fields."
render :new
end
end
end
notifications_mailer.rb
class NotificationsMailer < ActionMailer::Base
default :from => "[email protected]"
default :to => "[email protected]"
def new_message(message)
@message = message
mail(:subject => "[[email protected]] #{message.subject}")
end
end
您是否正確設置了路線? –
是的,路線絕對好。任何其他想法? – user1429496
我看到2種可能性。您的消息模型存在問題,或者您應該重新啓動服務器。 –