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[英]Render a 'micropost feed' from the Rails Tutorial in a custom location/view?
[英]How to change the 'micropost feed' URL from Rails Tutorial?
我正在关注Michael Hartl的书“ Rails Tutorial”,需要更改登录的URL,使其呈现在/members
而不是站点的根目录。
我尝试过将home.html.erb从以下位置更改:
<% if logged_in? %>
<div class="row">
<aside class="col-md-4">
<section class="user_info">
<%= render 'shared/user_info' %>
</section>
<section class="stats">
<%= render 'shared/stats' %>
</section>
<section class="micropost_form">
<%= render 'shared/micropost_form' %>
</section>
</aside>
<div class="col-md-8">
<h3>Micropost Feed</h3>
<%= render 'shared/feed' %>
</div>
</div>
<% else %>
<%= render 'covers/non_logged_in_home' %>
<% end %>
至
<% if logged_in? %>
<%= render 'members/index' %>
<% else %>
<%= render 'covers/non_logged_in_home' %>
<% end %>
并在视图/成员/处创建一个新的部分,其内容是从上方提取的,如下所示:
<div class="row">
<aside class="col-md-4">
<section class="user_info">
<%= render 'shared/user_info' %>
</section>
<section class="stats">
<%= render 'shared/stats' %>
</section>
<section class="micropost_form">
<%= render 'shared/micropost_form' %>
</section>
</aside>
<div class="col-md-8">
<h3>Micropost Feed</h3>
<%= render 'shared/feed' %>
</div>
</div>
完成此操作后,微型发布Feed仍照常运行,但仍保留在网站的根目录中。 我认为这是一个路由问题,但不知道如何处理它,因为route.rb中针对微博的唯一路由信息是:
resources :microposts, only: [:create, :destroy]
更新:
Rails.application.routes.draw do
get 'members/index' #just added; didn't work.
get 'covers/new_cover' => 'covers#new_cover', :as => :new_cover
get 'covers/home'
get 'covers/new'
get 'covers/create'
get 'covers/destroy'
get 'password_resets/new'
get 'password_resets/edit'
get 'account_activations/edit'
get 'sessions/new'
root 'covers#home'
get 'profile' => 'static_pages#profile'
get 'tours' => 'static_pages#tours'
get 'blog' => 'static_pages#blog'
get 'reviews' => 'static_pages#reviews'
get 'contact' => 'static_pages#contact'
get 'signup' => 'users#new'
get 'login' => 'sessions#new'
post 'login' => 'sessions#create'
delete 'logout' => 'sessions#destroy'
resources :users do
member do
get :following, :followers
end
end
# resources :users
resources :account_activations, only: [:edit]
resources :password_resets, only: [:new, :create, :edit, :update]
resources :microposts, only: [:create, :destroy]
resources :relationships, only: [:create, :destroy]
resources :covers, only: [:home, :index, :new, :create, :destroy]
更新2:
将路线更新至
get 'members' => 'members#index'
如@Arslan正确建议的那样,路由成功,但是在其位置返回了以下错误:
ArgumentError in MembersController#index
First argument in form cannot contain nil or be empty
进一步调查显示,此错误是由app/views/members/index.html.erb
包含的以下两个渲染语句中的一个或两个引起的:
<%= render 'shared/micropost_form' %>
<%= render 'shared/feed' %>
这些文件的内容是:
# _micropost_form.html.erb
<%= form_for(@micropost, html: { multipart: true }) do |f| %>
<%= render 'shared/error_messages', object: f.object %>
<div class="field">
<%= f.text_area :content, placeholder: "Compose new micropost (420 chars max)..." %>
</div>
<%= f.submit "Post", class: "btn btn-primary" %>
<span class="picture">
<%= f.file_field :picture, accept: 'image/jpeg,image/gif,image/png' %>
</span>
<% end %>
<script type="text/javascript">
$('#micropost_picture').bind('change', function() {
size_in_megabytes = this.files[0].size/1024/1024;
if (size_in_megabytes > 5) {
alert('Maximum file size is 5MB. Please choose a smaller file.');
}
});
</script>
和
# _feed.html.erb
<% if @feed_items.any? %>
<ol class="microposts">
<%= render @feed_items %>
</ol>
<%= will_paginate @feed_items %>
<% end %>
在您的SesssionController
类中,您可以将redirect
方法更改为指向/members
:
class SessionsController < ApplicationController
# other code
def create
user = User.find_by(email: params[:session][:email].downcase)
if user && user.authenticate(params[:session][:password])
log_in user
redirect_to '/members'
else
flash.now[:danger] = 'Invalid email/password combination'
render 'new'
end
end
end
现在,只要使用成功登录您的网站,他/她将被重定向到/members
页面。
编辑:
如果您有一个名为MembersController
的类,并且在该类中有一个名为index
的方法,则可以get 'members/index'
。 同时,您还应该在app/views/members/index.htmlerb
查看一个视图。
并使其明确,如下所示:
get 'members/index' => 'members#index'
但是,如果要调用任何其他控制器的任何方法,则可以执行以下操作:
get 'members/index' => 'any_other_controller#any_method'
# Remember controller name should be in plural: 'members', 'users'
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