沒有路線匹配[刪除]（如何建立一個在軌道4 YouTube的教程做的應用程序）

Question

標題說這一切，我不明白爲什麼我得到這個錯誤。

待辦事項控制器：

class TodoListsController < ApplicationController 
    before_action :set_todo_list, only: [:show, :edit, :update, :destroy] 


    def index 
    @todo_lists = TodoList.all 
    end 


    def show 
    end 


    def new 
    @todo_list = TodoList.new 
    end 


    def edit 
    end 


    def create 
    @todo_list = TodoList.new(todo_list_params) 

    respond_to do |format| 
     if @todo_list.save 
     format.html { redirect_to @todo_list, notice: 'Todo list was successfully created.' } 
     format.json { render :show, status: :created, location: @todo_list } 
     else 
     format.html { render :new } 
     format.json { render json: @todo_list.errors, status: :unprocessable_entity } 
     end 
    end 
    end 


    def update 
    respond_to do |format| 
     if @todo_list.update(todo_list_params) 
     format.html { redirect_to @todo_list, notice: 'Todo list was successfully updated.' } 
     format.json { render :show, status: :ok, location: @todo_list } 
     else 
     format.html { render :edit } 
     format.json { render json: @todo_list.errors, status: :unprocessable_entity } 
     end 
    end 
    end 


    def destroy 
    @todo_list.destroy 
    respond_to do |format| 
     format.html { redirect_to root_url, notice: 'Todo list was successfully destroyed.' } 
     format.json { head :no_content } 
    end 
    end 

    private 

    def set_todo_list 
     @todo_list = TodoList.find(params[:id]) 
    end 


    def todo_list_params 
     params.require(:todo_list).permit(:title, :description) 
    end 
end 

Answer 1

確保您routes.rb文件中有這樣的事情

resources :todo_lists 

或

delete "/todo_lists/:id" => "todo_lists#destroy" 

鏈接應該

<%= link_to 'Delete', todo_list_path(@todo_list), method: :delete, data: { confirm: "Are you sure?" } %>