Ruby on rails Rails中的嵌套表单验证
我有以下代码:Ruby on rails Rails中的嵌套表单验证,ruby-on-rails,Ruby On Rails,我有以下代码: <%= form_with(model: [@lawsuit, @lawsuit.suits.build]) do |f| %> <fieldset> <legend>New Suit</legend> </fieldset> <br /> <div class="form-group"> <%= f.label :claim %> <%
<%= form_with(model: [@lawsuit, @lawsuit.suits.build]) do |f| %>
<fieldset>
<legend>New Suit</legend>
</fieldset>
<br />
<div class="form-group">
<%= f.label :claim %>
<%= f.text_field :claim, class: 'form-control', placeholder: 'Name' %>
</div>
<div class="form-group">
<%= f.label :sentence %>
<%= f.text_area :sentence, class: 'form-control', placeholder: 'Sentence' %>
</div>
<div class="form-group">
<%= f.label :result %>
<%= f.select(:result, [['Not Favorable', false], ['Favorable', true]], {}, {class: 'form-control'}) %>
</div>
<%= button_tag type: 'submit', class: "btn btn-primary float-right" do %>
<i class="fa fa-plus" aria-hidden="true"></i>
Create
<% end %>
<% end %>
新西装
创造
如何显示诉讼的错误列表(这是@course的嵌套属性)并在屏幕上显示其错误?我已经对模型进行了验证。模型是这样的:
class Suit < ApplicationRecord
belongs_to :lawsuit
validates_presence_of :claim, :sentence
end
职业套装
我的控制器如下所示
该过程在控制器中启动。在那里我构建了@suit(在表单中使用)
西服控制员:
class SuitsController < ApplicationController
before_action :set_suit, only: [:show]
def new
end
def create
Rails.logger.info "=====================SUIT CREATION"
@lawsuit = Lawsuit.find(params[:lawsuit_id])
@suit = @lawsuit.suits.build(suit_params)
Rails.logger.info "AISHA #{@suit.errors.any?}"
# @suit = @lawsuit.suits.new(suit_params)
if @suit.save
flash[:notice] = "Suit created successfully"
redirect_to lawsuit_path(@lawsuit)
else
Rails.logger.info "AISHA #{@suit.valid?}"
flash[:alert] = "Something went wrong"
redirect_to lawsuit_path(@lawsuit)
end
end
class SuitsController
诉讼控制人
class LawsuitsController < ApplicationController
before_action :set_lawsuit, only: [:show]
def index
@lawsuits = Lawsuit.paginate(:page => params[:page], :per_page => 8)
end
def show
begin
@blob = Lawsuit.get_blob_for_document(@lawsuit.document_number)[1]
rescue
@blob = "Cannot load document!"
flash[:error] = "Cannot load document!"
end
@lawsuit = Lawsuit.find(params[:id])
@suit = @lawsuit.suits.build
end
private
def set_lawsuit
@lawsuit = Lawsuit.find(params[:id])
end
def lawsuit_params
params.require(:lawsuit).permit(:document_number, :region, :court, :noted)
end
end
class LawsuitsControllerparams[:page],:per_page=>8)
终止
def秀
开始
@blob=诉讼。获取文件的\u blob\u(@tustion.document\u number)[1]
营救
@blob=“无法加载文档!”
flash[:error]=“无法加载文档!”
终止
@诉讼=诉讼.查找(params[:id])
@suit=@justice.suits.build
终止
私有的
def set_诉讼
@诉讼=诉讼.查找(params[:id])
终止
定义诉讼参数
参数要求(:诉讼)。许可证(:文件编号,:地区,:法院,:注明)
终止
终止
修改视图如下
<%= form_with(model: [:lawsuit, @suit]) do |f| %>
<fieldset>
<legend>New Suit</legend>
</fieldset>
<br />
<% if @suit.errors.any? %>
<div id="error_explanation">
<h2>
<%= pluralize(@suit.errors.count, "error") %>
<%= "prohibited this suit from being saved:" %>
</h2>
<ul></ul>
<% @suit.errors.full_messages.each do |message| %>
<li>
<%= message %>
</li>
<% end %>
</div>
<% end %>
<div class="form-group">
<%= f.label :claim %>
<%= f.text_field :claim, class: 'form-control', placeholder: 'Name' %>
</div>
<div class="form-group">
<%= f.label :sentence %>
<%= f.text_area :sentence, class: 'form-control', placeholder: 'Sentence' %>
</div>
<div class="form-group">
<%= f.label :result %>
<%= f.select(:result, [['Not Favorable', false], ['Favorable', true]], {}, {class: 'form-control'}) %>
</div>
<%= button_tag type: 'submit', class: "btn btn-primary float-right" do %>
<i class="fa fa-plus" aria-hidden="true"></i>
Create
<% end %>
<% end %>
你应该是
class SuitsController < ApplicationController
before_action :set_suit, only: [:show]
def new
end
def create
@lawsuit = Lawsuit.find(params[:lawsuit_id])
@suit = @lawsuit.suits.build(suit_params)
if @suit.save
flash[:notice] = "Suit created successfully"
redirect_to lawsuit_path(@lawsuit)
else
render :form
end
end
class SuitsController
或
若你们想显示flash消息,那个么你们应该在视图中写下面的代码
<% flash.each do |key, value| %>
<div class="alert alert-<%= key %>"><%= value %></div>
<% end %>
这很奇怪,因为如果我在rails控制台上构建了一个suit,然后像suit=justice.last.suits.build一样构建并检查是否有任何错误,结果是真的。我认为这与重定向有关。
<% flash.each do |key, value| %>
<div class="alert alert-<%= key %>"><%= value %></div>
<% end %>