articles_controller.rb

来自「ruby on rails web敏捷开发之路第二版 源代码」· RB 代码 · 共 87 行

#---
# Excerpted from "Agile Web Development with Rails, 2nd Ed."
# We make no guarantees that this code is fit for any purpose. 
# Visit http://www.pragmaticprogrammer.com/titles/rails2 for more book information.
#---
class ArticlesController < ApplicationController
  # GET /articles
  # GET /articles.xml
  def index
    @articles = Article.find(:all)

    respond_to do |format|
      format.html # index.rhtml
      format.xml  { render :xml => @articles.to_xml }
    end
  end
  
  # GET /articles/1
  # GET /articles/1.xml
  def show
    @article = Article.find(params[:id])
    
    respond_to do |format|
      format.html # show.rhtml
      format.xml  { render :xml => @article.to_xml }
    end
  end
  
  # GET /articles/new
  def new
    @article = Article.new
  end
  
  # GET /articles/1;edit
  def edit
    @article = Article.find(params[:id])
  end

  # POST /articles
  # POST /articles.xml
  def create
    @article = Article.new(params[:article])
    
    respond_to do |format|
      if @article.save
        flash[:notice] = 'Article was successfully created.'
        
        format.html { redirect_to article_url(@article) }
        format.xml do
          headers["Location"] = article_url(@article)
          render :nothing => true, :status => "201 Created"
        end
      else
        format.html { render :action => "new" }
        format.xml  { render :xml => @article.errors.to_xml }
      end
    end
  end
  
  # PUT /articles/1
  # PUT /articles/1.xml
  def update
    @article = Article.find(params[:id])
    
    respond_to do |format|
      if @article.update_attributes(params[:article])
        format.html { redirect_to article_url(@article) }
        format.xml  { render :nothing => true }
      else
        format.html { render :action => "edit" }
        format.xml  { render :xml => @article.errors.to_xml }        
      end
    end
  end
  
  # DELETE /articles/1
  # DELETE /articles/1.xml
  def destroy
    @article = Article.find(params[:id])
    @article.destroy
    
    respond_to do |format|
      format.html { redirect_to articles_url   }
      format.xml  { render :nothing => true }
    end
  end
end