我知道這個問題已被問了很多,但沒有其他解決方案爲我工作。我創建了一個名爲Properties的腳手架,並沒有改變它的任何代碼,當我點擊自動生成的鏈接來創建一個新屬性時,它會在標題中引發錯誤消息,特別是針對我的properties_controller中的def set_property。我已經爲完美工作的用戶創建了一個默認腳手架,這就是爲什麼我很困惑。在PropertiesController ActiveRecord :: RecordNotFound#新 - 找不到屬性與'ID'=
我在軌道上v 5.0.2和Ruby 2.3.3 v
我的routes.rb:
Rails.application.routes.draw do
get 'sessions/create'
get 'sessions/destroy'
get 'users/about'
resources :users
resources :properties
get 'admin' => 'admin#index'
controller :sessions do
get 'login' => :new
post 'login' => :create
delete 'logout' => :destroy
end
root 'users#home'
end
我properties_controller.rb
class PropertiesController < ApplicationController
before_action :set_property, only: [:show, :edit, :update, :destroy, :new]
# GET /properties
# GET /properties.json
def index
@properties = Property.all
end
# GET /properties/1
# GET /properties/1.json
def show
end
# GET /properties/new
def new
@property = Property.new
end
# GET /properties/1/edit
def edit
end
# POST /properties
# POST /properties.json
def create
@property = Property.new(property_params)
respond_to do |format|
if @property.save
format.html { redirect_to @property, notice: 'Property was successfully created.' }
format.json { render :show, status: :created, location: @property }
else
format.html { render :new }
format.json { render json: @property.errors, status: :unprocessable_entity }
end
end
end
# PATCH/PUT /properties/1
# PATCH/PUT /properties/1.json
def update
respond_to do |format|
if @property.update(property_params)
format.html { redirect_to @property, notice: 'Property was successfully updated.' }
format.json { render :show, status: :ok, location: @property }
else
format.html { render :edit }
format.json { render json: @property.errors, status: :unprocessable_entity }
end
end
end
# DELETE /properties/1
# DELETE /properties/1.json
def destroy
@property.destroy
respond_to do |format|
format.html { redirect_to properties_url, notice: 'Property was successfully destroyed.' }
format.json { head :no_content }
end
end
private
# Use callbacks to share common setup or constraints between actions.
def set_property
@property = Property.find(params[:id])
end
# Never trust parameters from the scary internet, only allow the white list through.
def property_params
params.require(:property).permit(:name, :price, :bed, :bath, :car, :inspect)
end
end
我按到鏈接得到消息:
<%= link_to 'New Property', new_property_path %>
新的屬性頁:
<h1>New Property</h1>
<%= render 'form', property: @property %>
<%= link_to 'Back', properties_path %>
和形式,這個頁面被渲染:在params
哈希
before_action :set_property, only: [:show, :edit, :update, :destroy]
set_property
搜索的id
屬性和:
<%= form_for(property) do |f| %>
<% if property.errors.any? %>
<div id="error_explanation">
<h2><%= pluralize(property.errors.count, "error") %> prohibited this property from being saved:</h2>
<ul>
<% property.errors.full_messages.each do |message| %>
<li><%= message %></li>
<% end %>
</ul>
</div>
<% end %>
<div class="field">
<%= f.label :name %>
<%= f.text_field :name %>
</div>
<div class="field">
<%= f.label :price %>
<%= f.number_field :price %>
</div>
<div class="field">
<%= f.label :bed %>
<%= f.number_field :bed %>
</div>
<div class="field">
<%= f.label :bath %>
<%= f.number_field :bath %>
</div>
<div class="field">
<%= f.label :car %>
<%= f.number_field :car %>
</div>
<div class="field">
<%= f.label :inspect %>
<%= f.text_field :inspect %>
</div>
<div class="actions">
<%= f.submit %>
</div>
<% end %>
歡迎您!把簡短的代碼例子放在你想要的東西上。並訪問鏈接** [如何問](http://stackoverflow.com/help/mcve)** –