Ruby on rails _错误消息不适用于窗体
我正在进行一个项目,用户可以创建帖子,其他人可以发送关于该主题的帖子。我的资源文件是:Ruby on rails _错误消息不适用于窗体,ruby-on-rails,forms,Ruby On Rails,Forms,我正在进行一个项目,用户可以创建帖子,其他人可以发送关于该主题的帖子。我的资源文件是: resources :users resources :sessions, only: [:new, :create, :destroy] resources :topics , only: [ :show, :create, :destroy] do resources :posts, only: [:create, :new] 我的主题\u form.html.erb: <
resources :users
resources :sessions, only: [:new, :create, :destroy]
resources :topics , only: [ :show, :create, :destroy] do
resources :posts, only: [:create, :new]
我的主题\u form.html.erb:
<%= form_for(@topic) do |f| %>
<%= render 'shared/error_messages', object: f.object %>
<div class="field">
<%= f.text_area :title, placeholder: "yeni başlık girin..." %>
</div>
<%= f.submit "Gönder", class: "btn btn-large btn-primary" %>
<% end %>
我的帖子_form.html.erb是:
<%= form_for [@topic, @post] do |f| %>
<%= render 'shared/error_messages', object: f.object %>
<div class="field">
<%= f.text_area :content, placeholder: "yorumunuzu girin..." %>
</div>
<%= f.submit "Gönder", class: "btn btn-large btn-primary" %>
<% end %>
这是我的错误消息。\u messages.html.erb:
<% if object.errors.any? %>
<div id="error_explanation">
<div class="alert alert-error">
The form contains <%= pluralize(object.errors.count, "error") %>.
</div>
<ul>
<% object.errors.full_messages.each do |msg| %>
<li>* <%= msg %></li>
<% end %>
</ul>
</div>
<% end %>
<% if signed_in? %>
<div class="row">
<%= render 'shared/user_info' %>
<%= render 'shared/topic_form' %>
<ol class="topics-signedin">
<%= render 'shared/topics' %>
</ol>
和my home.html.erb:
<% if object.errors.any? %>
<div id="error_explanation">
<div class="alert alert-error">
The form contains <%= pluralize(object.errors.count, "error") %>.
</div>
<ul>
<% object.errors.full_messages.each do |msg| %>
<li>* <%= msg %></li>
<% end %>
</ul>
</div>
<% end %>
<% if signed_in? %>
<div class="row">
<%= render 'shared/user_info' %>
<%= render 'shared/topic_form' %>
<ol class="topics-signedin">
<%= render 'shared/topics' %>
</ol>
为什么不显示错误?您从未设置
@topics
,仅设置@topic
。所以@topics
为零
如果出现错误,您将呈现需要这些内容的
静态页面/home
。您应该重新呈现新的
或编辑
。您在“创建”操作中缺少@topics。是的,它在呈现表单的“home”中设置,但在提交时,它传递给“create”,然后“create”必须再次加载变量,在您的情况下,在呈现“static_pages/home”时没有设置@topics。你需要
...
if @post.save
flash[:success] = "Yorum oluşturuldu!"
redirect_to topic_path(@topic)
else
@topics = Topic.paginate :page => params[:page], :per_page => 20
render 'static_pages/home'
end
我已经显示了static_pages.controller。它不是从那个控制器获取@topics吗?我使用了我的topics控制器中的行。我现在可以显示topics错误了。但是我不能显示错误。我正在试图找到一种@postsIt的方法,它的逻辑应该是相同的?是的,我确实使用了这一行,但它没有显示:@posts=@topic.posts.paginate(page:params[:page])重定向到topic路径(@topic)你在@posts上有错误吗?你的主题模型有“has_许多:posts”吗?
<% if signed_in? %>
<div class="row">
<%= render 'shared/user_info' %>
<%= render 'shared/topic_form' %>
<ol class="topics-signedin">
<%= render 'shared/topics' %>
</ol>
...
if @post.save
flash[:success] = "Yorum oluşturuldu!"
redirect_to topic_path(@topic)
else
@topics = Topic.paginate :page => params[:page], :per_page => 20
render 'static_pages/home'
end