Ruby on rails ROR中的路由错误

Ruby on rails ROR中的路由错误,ruby-on-rails,ruby,ruby-on-rails-3,Ruby On Rails,Ruby,Ruby On Rails 3,我的索引页上有两个按钮 登记册 登录 如果单击,我应该重定向到new.html.erb页面,但当我单击“注册”按钮时,我发现以下错误。请帮我解决这个错误 错误: No route matches [POST] "/posts/new" 下面给出了我的代码片段 在posts/index.html.erb中 <h1>Index page</h1> <h1>Register Here</h1> <hr /> <p> <%=

我的索引页上有两个按钮

  • 登记册
  • 登录
  • 如果单击,我应该重定向到
    new.html.erb
    页面,但当我单击“注册”按钮时,我发现以下错误。请帮我解决这个错误

    错误:

    No route matches [POST] "/posts/new"
    
    下面给出了我的代码片段

    在posts/index.html.erb中

    <h1>Index page</h1>
    <h1>Register Here</h1>
    <hr />
    <p>
    <%= button_to "REGISTER",posts_new_path%>
    </p>
    <p>
    <%= button_to "LOGIN" %>
    </p>
    
    <h1>Register Here</h1>
    
    class PostsController < ApplicationController
        def index
        end
    
        def new
           @user=User.new
        end
    end
    
    Rails.application.routes.draw do
       root "posts#index"
       get "posts/new" => "posts#new"
      #resources:posts
      # The priority is based upon order of creation: first created -> highest priority.
      # See how all your routes lay out with "rake routes".
    
      # You can have the root of your site routed with "root"
      # root 'welcome#index'
    
      # Example of regular route:
      #   get 'products/:id' => 'catalog#view'
    
      # Example of named route that can be invoked with purchase_url(id: product.id)
      #   get 'products/:id/purchase' => 'catalog#purchase', as: :purchase
    
      # Example resource route (maps HTTP verbs to controller actions automatically):
      #   resources :products
    
      # Example resource route with options:
      #   resources :products do
      #     member do
      #       get 'short'
      #       post 'toggle'
      #     end
      #
      #     collection do
      #       get 'sold'
      #     end
      #   end
    
      # Example resource route with sub-resources:
      #   resources :products do
      #     resources :comments, :sales
      #     resource :seller
      #   end
    
      # Example resource route with more complex sub-resources:
      #   resources :products do
      #     resources :comments
      #     resources :sales do
      #       get 'recent', on: :collection
      #     end
      #   end
    
      # Example resource route with concerns:
      #   concern :toggleable do
      #     post 'toggle'
      #   end
      #   resources :posts, concerns: :toggleable
      #   resources :photos, concerns: :toggleable
    
      # Example resource route within a namespace:
      #   namespace :admin do
      #     # Directs /admin/products/* to Admin::ProductsController
      #     # (app/controllers/admin/products_controller.rb)
      #     resources :products
      #   end
    end
    

    我使用的是rails版本4

    posts\u new\u应用程序中没有定义路径

    我建议您查看以获得更深入的理解,但解决此问题的最快方法是将routes.rb文件更改为:

    Rails.application.routes.draw do
      root "posts#index"
      get "posts/new" => "posts#new", as: new_post
      #resources:posts
    end
    
    在你看来:

    <%= button_to "REGISTER",new_post_path%>
    
    
    
    在routes中使用
    as
    方法,使用末尾用
    path
    url
    指定的短语创建命名路由,然后可以在视图中使用


    您可以使用短语
    resources:posts
    ,这将在应用程序中为7个CRUD操作公开许多命名路由。请阅读指南中的相关内容,因为这可能对您有好处,具体取决于您的应用程序的结构。

    posts\u new\u路径在您的应用程序中没有定义

    我建议您查看以获得更深入的理解,但解决此问题的最快方法是将routes.rb文件更改为:

    Rails.application.routes.draw do
      root "posts#index"
      get "posts/new" => "posts#new", as: new_post
      #resources:posts
    end
    
    在你看来:

    <%= button_to "REGISTER",new_post_path%>
    
    
    
    在routes中使用
    as
    方法,使用末尾用
    path
    url
    指定的短语创建命名路由,然后可以在视图中使用


    您可以使用短语
    resources:posts
    ,这将在应用程序中为7个CRUD操作公开许多命名路由。请阅读本指南,因为这可能对您有好处,具体取决于您的应用程序的结构。

    按钮的默认方法是
    :post
    ,您需要使用方法get选项调用它:

    <%= button_to "REGISTER", posts_new_path, method: :get %>
    
    
    

    请参阅按钮的默认方法是
    :post
    ,您需要使用方法get选项调用它:

    <%= button_to "REGISTER", posts_new_path, method: :get %>
    
    
    

    请参阅

    检查rake路由的o/p,您将找到新帖子可用的生成路由。按钮_生成一个表单,用于提交带有post请求的数据。检查视图和路由中的方法类型检查rake路由的o/p,您将找到新帖子的可用生成路由。按钮_生成一个表单,用于提交带有post请求的数据。检查视图和管线中的方法类型