Question

我在Rails应用程序中遇到了一个非常奇怪的错误：每当我尝试提交表单时，我都会收到错误No route matches [PATCH] "/business_cases"（在本例中）。但是在我的浏览器中单击＆＃34; Back＆＃34; -Button并再次填写+提交后，它可以正常工作。由于这个错误不仅出现在这个特定的模型中，而且几乎所有其他错误都会丢失。这就是示例。

路线：

      business_cases GET    /business_cases(.:format)             business_cases#index
                     POST   /business_cases(.:format)             business_cases#create
   new_business_case GET    /business_cases/new(.:format)         business_cases#new
  edit_business_case GET    /business_cases/:id/edit(.:format)    business_cases#edit
       business_case GET    /business_cases/:id(.:format)         business_cases#show
                     PATCH  /business_cases/:id(.:format)         business_cases#update
                     PUT    /business_cases/:id(.:format)         business_cases#update
                     DELETE /business_cases/:id(.:format)         business_cases#destroy

routes.rb中：

root 'dashboards#index'
get "index" => "pages#index"
resources :users, :orders, :sales, :business_cases

控制器（仅供参考：我使用cancancan）：

class BusinessCasesController < ApplicationController
 load_and_authorize_resource
 before_action :authenticate_user!

 def index
 end

 def show
 end

 def new
 end

 def edit
 end

 def create
   respond_to do |format|
     if @business_case.save
       format.html { redirect_to business_cases_url, notice: 'Business case was successfully created.' }
       format.json { render :show, status: :created, location: @business_case }
     else
       format.html { render :new }
       format.json { render json: @business_case.errors, status: :unprocessable_entity }
     end
   end
 end
 def update
   respond_to do |format|
     if @business_case.update(business_case_params)
        format.html { redirect_to business_cases_url, notice: 'Business case was successfully updated.' }
       format.json { render :show, status: :ok, location: @business_case }
      else
       format.html { render :edit }
       format.json { render json: @business_case.errors, status: :unprocessable_entity }
     end
    end
  end

 def destroy
   @business_case.destroy
   respond_to do |format|
     format.html { redirect_to business_cases_url, notice: 'Business case was successfully destroyed.' }
     format.json { head :no_content }
   end
 end

模型：

class BusinessCase < ActiveRecord::Base
  validates :name, :description, :presence => true
end

表格（缩短）：

<%= form_for @business_case, html: { multipart: true } do |f| %>
 <div class="form-group">
   <%= f.label :name %>
    <%= f.text_field :name, class: "form-control", placeholder: "X-Sell" %>
 </div>
<% end %>

Rails：没有路由匹配[PATCH]

0 个答案: