3

如何自定义脚手架生成器 #跟随此链接

类 IdeasController < ApplicationController before_action :set_idea, only: [:show, :edit, :update, :destroy]

  # GET /ideas
  # GET /ideas.json
  def index
    @ideas = Idea.all
  end

  # GET /ideas/1
  # GET /ideas/1.json
  def show
  end

  # GET /ideas/new
  def new
    @idea = Idea.new
  end

  # GET /ideas/1/edit
  def edit
  end

  # POST /ideas
  # POST /ideas.json
  def create
    @idea = Idea.new(idea_params)

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

  # PATCH/PUT /ideas/1
  # PATCH/PUT /ideas/1.json
  def update
    respond_to do |format|
      if @idea.update(idea_params)
        format.html { redirect_to @idea, notice: 'Idea was successfully updated.' }
        format.json { head :no_content }
      else
        format.html { render action: 'edit' }
        format.json { render json: @idea.errors, status: :unprocessable_entity }
      end
    end
  end

  # DELETE /ideas/1
  # DELETE /ideas/1.json
  def destroy
    @idea.destroy
    respond_to do |format|
      format.html { redirect_to ideas_url }
      format.json { head :no_content }
    end
  end

  private
    # Use callbacks to share common setup or constraints between actions.
    def set_idea
      @idea = Idea.find(params[:id])
    end

    # Never trust parameters from the scary internet, only allow the white list through.
    def idea_params
      params.require(:idea).permit(:name, :description, :picture)
    end
end

如何删除所有 response_to 代码？

4

2 回答 2

3

用于respond_with使您的控制器更清洁。此 apidoc和 此截屏视频将回答您的所有相关问题。

您的控制器方法将像这样干净：

def update
  @idea.update(idea_params)
  respond_with @idea, notice: 'Idea was successfully updated.'
end

要将其应用于默认脚手架控制器模板，只需从github复制模板内容并将其放入RAILS_ROOT/lib/templates/rails/scaffold_controller/controller.rb. 然后在respond_with那里应用该方法。

于 2013-07-17T07:35:49.917 回答
2

就这样做吧。

例如

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

可以替换为

if @idea.save
  redirect_to @idea, notice: 'Idea was successfully created.'
else
  render 'new
end
于 2013-07-17T07:19:35.057 回答