在不重新加載頁面的情況下輸入數據庫 - 沒有路由匹配[POST]「/ contacts」

Question

我想在用戶的帖子中輸入數據庫中的條目而不重新加載頁面。但在觸摸沒有找到路線。

let_controller.rb

class LetController < ApplicationController 
    respond_to :html, :js 

    def index 
    end 

    def contacts 
    @contacts = Question.new 
    end 


    def language 
    session[:language] = params[:language][0..1] 
    set_language 
    redirect_to root_path 
    end 

    def new 
    @contacts = Question.new 
    end 

    def create 
    @contacts = Question.new(question_params) 
    @contacts.request = request 
    end 

    private 

    def question_params 

    params.require(:questions).permit(:name, :e_mail, :phone, :text_q) 

    end 
end 

contacts.html.erb

<div id="main-block"> 

    <%= render 'contact_form' %> 
</div> 

_contact_form.html.erb

<ul class="errors"></ul> 
    <%= form_for @contacts , :remote => true do |f| %> 
     <%= f.text_field :name , placeholder: "Имя" %> <br> 
     <%= f.text_field :e_mail, placeholder: "e-mail" %><br> 
     <%= f.text_field :phone, placeholder: "Телефон" %><br> 
     <%= f.text_area :text_q, placeholder: "Сообщение" %><br> 
    <%= f.submit "Задать вопрос", class: "btn btn-primary"%> 
    <% end %> 

save.js.erb

$("ul.errors").html("") 
<% if @contacts.errors.any? %> 
<% @contacts.errors.full_messages.each do |message| %> 
$("ul.errors").append($("<li />").html("<%= message.html_safe %>")) 
<% end %> 
<% else %> 
$("#main-block").empty() 
$("#main-block").html("Сообщение отправлено!") 
<% end %> 

create.js.erb

<%= render 'save' %> 

new.js.erb

$("#main-block").html("<%= escape_javascript(render 'contact_form') %>") 

的routes.rb

resources :let 

    root 'let#index' 
    match '/index', to: 'let#index', via: 'get' 
    match '/contacts', to: 'let#contacts', via: 'get' 
    post '/let/contacts', as: 'contacts' 

終端加載頁面

Started GET "/contacts" for ::1 at 2016-06-14 15:04:57 +0300 
Processing by LetController#contacts as HTML 
    Rendered let/_contact_form.html.erb (0.7ms) 
    Rendered let/contacts.html.erb within layouts/application (2.4ms) 
    Rendered layouts/_shim.html.erb (0.1ms) 
    Rendered layouts/_header.html.erb (4.3ms) 
    Rendered layouts/_footer.html.erb (0.0ms) 
Completed 200 OK in 70ms (Views: 69.0ms | ActiveRecord: 0.0ms) 

前點擊按鈕終端提交

Started POST "/contacts" for ::1 at 2016-06-14 15:08:18 +0300 

ActionController::RoutingError (No route matches [POST] "/contacts"): 
    actionpack (4.2.4) lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call' 
    web-console (2.3.0) lib/web_console/middleware.rb:28:in `block in call' 
    web-console (2.3.0) lib/web_console/middleware.rb:18:in `catch' 
    web-console (2.3.0) lib/web_console/middleware.rb:18:in `call' 
    actionpack (4.2.4) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call' 
    railties (4.2.4) lib/rails/rack/logger.rb:38:in `call_app' 
    railties (4.2.4) lib/rails/rack/logger.rb:20:in `block in call' 
    activesupport (4.2.4) lib/active_support/tagged_logging.rb:68:in `block in tagged' 
    activesupport (4.2.4) lib/active_support/tagged_logging.rb:26:in `tagged' 
    activesupport (4.2.4) lib/active_support/tagged_logging.rb:68:in `tagged' 
    railties (4.2.4) lib/rails/rack/logger.rb:20:in `call' 
    actionpack (4.2.4) lib/action_dispatch/middleware/request_id.rb:21:in `call' 
    rack (1.6.4) lib/rack/methodoverride.rb:22:in `call' 
    rack (1.6.4) lib/rack/runtime.rb:18:in `call' 
    activesupport (4.2.4) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call' 
    rack (1.6.4) lib/rack/lock.rb:17:in `call' 
    actionpack (4.2.4) lib/action_dispatch/middleware/static.rb:116:in `call' 
    rack (1.6.4) lib/rack/sendfile.rb:113:in `call' 
    railties (4.2.4) lib/rails/engine.rb:518:in `call' 
    railties (4.2.4) lib/rails/application.rb:165:in `call' 
    rack (1.6.4) lib/rack/lock.rb:17:in `call' 
    rack (1.6.4) lib/rack/content_length.rb:15:in `call' 
    rack (1.6.4) lib/rack/handler/webrick.rb:88:in `service' 
    /Users/os/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/webrick/httpserver.rb:138:in `service' 
    /Users/os/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/webrick/httpserver.rb:94:in `run' 
    /Users/os/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/webrick/server.rb:294:in `block in start_thread' 

Answer 1

可以重構路線，像

resources :let do 
    collection do 
    get 'contacts', to 'let#contacts' 
    post 'contacts', to 'let#create', as: :create_contacts 
    end 
end 

root 'let#index' 

並更改網址的形式

<%= form_for @contacts, url: { action: :create }, remote: true do |f| %>