{"id":2784,"date":"2021-11-08T21:36:36","date_gmt":"2021-11-08T12:36:36","guid":{"rendered":"https:\/\/suzutukiblog.com\/?p=2784"},"modified":"2022-01-21T02:29:53","modified_gmt":"2022-01-20T17:29:53","slug":"rails-8","status":"publish","type":"post","link":"https:\/\/suzutukiblog.com\/index.php\/2021\/11\/08\/rails-8\/","title":{"rendered":"rails\u306e\u307e\u3068\u30814(\u30df\u30cbQ&A\u30b5\u30a4\u30c8\u3092\u4f5c\u308b\u305d\u306e2)"},"content":{"rendered":"

\u305d\u306e\uff13\u304b\u3089\u7d9a\u304d\u307e\u3059<\/a><\/p>\n

11\uff1a\u65b0\u898f\u8cea\u554f\u6a5f\u80fd\u306e\u6295\u7a3fView<\/h3>\n

app\/views\/questions\/new.html.erb<\/strong>\u3092\u2193\u306e\u3088\u3046\u306b\u8a18\u8ff0<\/p>\n

<div class=\"col-md-4 offset-md-4\"><\/strong>\r\n  <!--\u4e2d\u592e\u306b\u5bc4\u305b\u308b\u8a2d\u5b9a--><\/strong>\r\n    <h2 class=\"text-center\">New question<\/h2><\/strong>\r\n  <%= form_with model: @question, local: true do |f| %><\/strong>\r\n    <div class=\"form-group\"><\/strong>\r\n      <label>Name<\/label><\/strong>\r\n  <!--\u30c6\u30ad\u30b9\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u3064\u3051\u308b--><\/strong>\r\n  <%= f.text_field :name, class: \"form-control\" %><\/strong>\r\n    <\/div><\/strong>\r\n  <!--\u30c6\u30ad\u30b9\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u3064\u3051\u308b--><\/strong>\r\n    <div class=\"form-group\"><\/strong>\r\n      <label>Title<\/label><\/strong>\r\n   <%= f.text_field :title, class: \"form-control\" %><\/strong>\r\n    <\/div><\/strong>\r\n  <!--\u30c6\u30ad\u30b9\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u3064\u3051\u308b--><\/strong>\r\n   <div class=\"form-group\"><\/strong>\r\n     <label>Content<\/label><\/strong>\r\n   <%= f.text_field :Content, class: \"form-control\" %><\/strong>\r\n     <\/div><\/strong>\r\n  <!--save\u30dc\u30bf\u30f3\u3092\u4ed8\u3051\u308b--><\/strong>\r\n     <div class=\"text-center\"><\/strong>\r\n   <%= f.submit \"Save\", class: \"btn btn-primary\" %><\/strong>\r\n     <\/div><\/strong>\r\n   <% end %><\/strong>\r\n<\/div><\/strong><\/pre>\n
form_with,text_field,submit\u306a\u3069\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u30d5\u30a9\u30fc\u30e0\u30d8\u30eb\u30d1\u30fc\u3068\u547c\u3070\u308c\u30d5\u30a9\u30fc\u30e0\u306b\u95a2\u3059\u308bhtml\u3092\u81ea\u52d5\u7684\u306b\u751f\u6210\u3057\u3066\u304f\u308c\u307e\u3059\u3002
\n
\nform_with<\/strong>,\u306frails5.1<\/strong>\u306b\u306a\u3063\u3066\u304b\u3089\u3067\u3066form_for<\/strong>\u306a\u3069\u306f\u975e\u63a8\u5968\u306b\u306a\u3063\u305f\u306e\u3067\u79fb\u884c\u3057\u307e\u3057\u3087\u3046\u3002
\nmodel: @question
\n\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304b\u3089\u6e21\u3055\u308c\u305f\u30af\u30a8\u30b9\u30c1\u30e7\u30f3\u30e2\u30c7\u30eb\u306e\u30e2\u30c7\u30eb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8a2d\u5b9a
\nlocal: true<\/strong>\u3000\u975e\u540c\u671f\u901a\u4fe1\u3092\u4f7f\u3063\u305f\u30d5\u30a9\u30fc\u30e0\u3092\u7121\u52b9\u306b\u3057\u3066\u3044\u308b<\/p>\n
\u6b21\u306b\u52d5\u4f5c\u78ba\u8a8d\u3092\u3057\u305f\u3044\u306e\u3067\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304b\u3089\u30d3\u30e5\u30fc\u306b
\nQuestion\u30e2\u30c7\u30eb\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6e21\u3059\u6a5f\u80fd\u306e\u5b9f\u88c5<\/p>\n
app\/controllers\/questions_controller.rb<\/strong>\u306b\u2193\u306e\u3088\u3046\u306b\u8a18\u8ff0<\/p>\n
def new\r\n  @question = Question.new\r\nend<\/strong><\/pre>\n
Question\u30e2\u30c7\u30eb\u306e\u65b0\u898f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3057\u3066@question\u306b\u4ee3\u5165\u3057\u3066
\napp\/views\/questions\/new.html.erb<\/strong>\u306b\u6e21\u3057\u3066form_with<\/strong>\u3067\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\"\"<\/p>\n
form_with<\/strong>\u30bf\u30b0\u306b\u3088\u3063\u3066\u2193\u751f\u6210\u3055\u308c\u305f
\n<form action=”\/questions” accept-charset=”UTF-8″ method=”post”><\/strong>
\n\u6163\u308c\u308b\u307e\u3067\u306f\u30d5\u30a9\u30fc\u30e0\u30d8\u30eb\u30d1\u30fc\u306b\u3088\u3063\u3066\u3069\u3093\u306aHTML\u30bf\u30b0\u304c\u3067\u304d\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\uff01
\n<\/p>\n
12\uff1a\u6295\u7a3f\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58<\/h3>\n
rails routes\u304b\u3089
\nPOST \/questions(.:format) questions#create
\n\u3053\u306e\u8a2d\u5b9a\u306b\u306a\u308b\u306e\u3067app\/controllers\/questions_controller.rb<\/strong>\u306b\u2193\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n
class QuestionsController < ApplicationController<\/strong>\r\n\r\n  def index<\/strong>\r\n #questions\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u3059\u3079\u3066\u306e\u8cea\u554f\u3092\u53d6\u5f97\u3059\u308b\r\n    @questions = Question.all<\/strong>\r\n  end<\/strong>\r\n\r\n  def show<\/strong>\r\n  end<\/strong>\r\n\r\n  def new<\/strong>\r\n    @question = Question.new<\/strong>\r\n  end<\/strong>\r\n  \r\n  def create<\/strong>\r\n    @question = Question.new(question_params)<\/strong>\r\n      if @question.save<\/strong>\r\n        redirect_to root_path, notice: 'success!'<\/strong>\r\n      else<\/strong>\r\n        flash[:alert] = 'Save error!'<\/strong>\r\n    end<\/strong>\r\n  end<\/strong>\r\n  \r\n  def edit<\/strong>\r\n  end<\/strong>\r\n\r\n  private<\/strong>\r\n  \r\n  def question_params<\/strong>\r\n    params.require(:question).permit(:name, :title, :content)<\/strong>\r\n  end<\/strong>\r\nend<\/strong><\/pre>\n
\u6295\u7a3f\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\r\ndef create<\/strong>\r\n  @question = Question.new(question_params)\r\n<\/strong>#\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u3063\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u5024\u3092\u4fdd\u5b58\u3059\u308b\r\n    if @question.save<\/strong>\r\n#\u30bb\u30fc\u30d6\u304c\u6210\u529f\u3057\u305f\u6642\u306b\u30eb\u30fc\u30c8URL\u306b\u98db\u3073success!\u3092\u8868\u793a\r\n  redirect_to root_path, notice: 'success!'<\/strong>\r\n#\u30bb\u30fc\u30d6\u5931\u6557\u3057\u305f\u3068\u304d\r\n  flash[:alert] = 'Save error!'<\/strong>\r\n  end<\/strong>\r\nend<\/strong><\/pre>\n
\u30bb\u30fc\u30d6\u3057\u3066\u65b0\u898f\u6295\u7a3f\u3067\u304d\u305f\u3089OK\u3067\u3059\u3002<\/p>\n
Content\u306e\u90e8\u5206\u304c\u5165\u529b\u3057\u3065\u3089\u3044\u306e\u3067\u62e1\u5927\u3059\u308b
\napp\/views\/questions\/new.html.erb\u3092\u2193\u306e\u3088\u3046\u306b\u5909\u66f4
\n\u2193\u30b3\u30b3
\n<%= f.text_area :Content, class: “form-control” %><\/strong><\/p>\n
\"\"
\n\u30c6\u30ad\u30b9\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u5e83\u304f\u306a\u3063\u305f\u306e\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n
13\uff1a\u30b9\u30c8\u30ed\u30f3\u30b0\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc<\/h3>\n
\u6295\u7a3f\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u3068\u30d5\u30a9\u30fc\u30e0\u306b\u30c7\u30fc\u30bf\u3092\u5165\u529b\u3057\u3066\u30bb\u30fc\u30d6\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u3068\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u30c7\u30fc\u30bf\u304cPost\u3067\u9001\u4fe1\u3055\u308c\u3066\u3001Questions_controller\u306ecreate\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u547c\u3070\u308c\u308b
\n\u6b21\u306b\u3053\u306e\u90e8\u5206\u3067\u2193Question\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3057\u3066@question\u306b\u4ee3\u5165<\/p>\n
def create\u3000<\/strong>\r\n  @question = Question.new(question_params)<\/strong>\r\n\u3000\u3000                        #\u2191question_params\u30e1\u30bd\u30c3\u30c9\u306e\u623b\u308a\u5024\u3092\u5229\u7528\u3057\u3066\u3044\u308b\r\n    if @question.save<\/strong>\r\n      redirect_to root_path, notice: 'success!'<\/strong>\r\n    else<\/strong>\r\n      flash[:alert] = 'Save error!'<\/strong>\r\n      render :new <\/strong>#\u2190new\u3078\u98db\u3070\u3059\r\n    end<\/strong>\r\n  end<\/strong>\r\n\r\n  def edit<\/strong>\r\n  end<\/strong>\r\n\r\n  private<\/strong>\r\n    def question_params<\/strong>\r\n      params.require(:question).permit(:name, :title, :content)<\/strong>\r\n    end<\/strong>\r\nend\r\n\r\n<\/pre>\n
\u30b9\u30c8\u30ed\u30f3\u30b0\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc<\/strong>\u3068\u3044\u3046\u4ed5\u7d44\u307f\u3092\u4f7f\u3063\u3066
\n\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u9001\u3089\u308c\u3066\u304d\u305f\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u306e\u307f\u53d7\u3051\u4ed8\u3051\u307e\u3059\u3002
\n\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u4fe1\u983c\u3067\u304d\u306a\u3044\u306e\u3067\u3001question_params\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066
\n\u6307\u5b9a\u3057\u305f\u30c7\u30fc\u30bf\u3060\u3051\u3092\u767b\u9332\u5bfe\u8c61\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
params\u30e1\u30bd\u30c3\u30c9\u306b\u306f\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u9001\u3089\u308c\u3066\u304d\u305f\u30c7\u30fc\u30bf\u304c\u5165\u308a\u3001
\nparams.require(:question).permit(:name, :title, :content)
\n<\/strong>
\n\u2191\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u9001\u3089\u308c\u3066\u304d\u305fquestion\u306e\u30c7\u30fc\u30bf\u306e\u5185\u306ename, title, content\u3060\u3051\u4f7f\u3046\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n
\u30d5\u30a9\u30fc\u30e0\u304b\u3089Id\u306e\u5024\u304c\u9001\u3089\u308c\u3066\u304d\u3066\u3082\u7121\u8996\u3059\u308b
\n\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u4fe1\u7528\u3067\u304d\u306a\u3044(\u66f8\u304d\u63db\u3048\u3089\u308c\u3066\u81f4\u547d\u7684\u306a\u8106\u5f31\u6027\u306b\u306a\u308b\u306a\u3069)
\n\u4f8b\uff1a\u66f4\u65b0\u5bfe\u8c61\u306e\u30ab\u30e9\u30e0\u3092\u6307\u5b9a\u3057\u306a\u3044\u3068\u30dd\u30a4\u30f3\u30c8\u6b8b\u9ad8\u3092\u66f8\u304d\u63db\u3048\u3089\u308c\u308b\u306a\u3069<\/p>\n
\u6307\u5b9a\u3057\u305f\u30ab\u30e9\u30e0\u3092\u623b\u308a\u5024\u3068\u3057\u3066\u6e21\u3057\u3066\u3001\u66f4\u65b0\u7528\u306e\u30c7\u30fc\u30bf\u3068\u3057\u307e\u3059\u3002(@question)
\n\u30bb\u30fc\u30d6\u304c\u6210\u529f\u3057\u3066(true)\u306b\u306a\u3063\u305f\u3089\u30eb\u30fc\u30c8URL\u306b\u98db\u3070\u3057\u30e1\u30c3\u30bb\u30fc\u30b8(Success\uff01)\u306e\u5024\u3092\u6e21\u3057\u307e\u3059\u3002<\/p>\n
14\uff1aparams\u306b\u5165\u308b\u30c7\u30fc\u30bf\u3092\u30c7\u30d0\u30c3\u30b0\u30c4\u30fc\u30ebbyebug\u3067\u78ba\u8a8d<\/h3>\n
Gemfile\u306b\u3066\u2193\r\n\r\ngroup :development, :test do<\/strong>\r\n# Call 'byebug' anywhere in the code to stop execution and get a debugger console<\/strong>\r\ngem 'byebug', platforms: [:mri, :mingw, :x64_mingw]<\/strong>\r\nend<\/strong><\/pre>\n
\u958b\u767a\u74b0\u5883\u3068\u30c6\u30b9\u30c8\u3067\u3001Gem\u3092\u8aad\u307f\u8fbc\u3080\u3053\u3068\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002
\n\u672c\u756a\u74b0\u5883\u3067\u306f\u8aad\u307f\u8fbc\u307e\u306a\u3044\u3067\u3059\u3002
\napp\/controllers\/questions_controller.rb<\/strong>\u306b\u3066\u2193<\/p>\n
private\r\n  def question_params<\/strong>\r\n    byebug\u3000#\u2190\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u5b9f\u884c\u3057\u305f\u3068\u304d\u30b3\u30b3\u306b\u6765\u308b\u3068\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u304c\u6b62\u307e\u308b\r\n  params.require(:question).permit(:name, :title, :content)<\/strong>\r\n  end<\/strong>\r\nend<\/strong><\/pre>\n
questions\/new\u306b\u3066\u9069\u5f53\u306a\u5024\u3092\u5165\u308c\u307e\u3059\u3002\r\nName<\/strong>\r\na<\/strong>\r\nTitle<\/strong>\r\nb<\/strong>\r\nContent<\/strong>\r\nc<\/strong>\r\nsave<\/strong>\r\n\"\"\r\n\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u2193\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\r\n20: end<\/strong>\r\n21:   def edit<\/strong>\r\n22:   end<\/strong>\r\n23:<\/strong>\r\n24: private<\/strong>\r\n25:   def question_params<\/strong>\r\n26:   byebug<\/strong>\r\n=> 27: params.require(:question).permit(:name, :title, :content)<\/strong>\r\n28:   end<\/strong>\r\n29: end<\/strong>\r\n\r\nparams\u3068\u30b3\u30de\u30f3\u30c9\u3059\u308b\u3068\u2193\r\n(byebug) params<\/strong>\r\n<ActionController::Parameters {\"utf8\"=>\"\u2713\", \"authenticity_token\"=><\/strong>\r\n\"5xd2GRDEUu4AasvoycOs7L<\/strong>ON1kRoMpgrf1INGxZT9yw==\", \"question\"=>{\"name\"=>\"a\", \"title\"=>\"b\",<\/strong>\r\n\"Content\"=>\"c\"}, \"commit\"=>\"Save\", \"controller\"=>\"questions\",<\/strong>\r\n\"action\"=>\"create\"} permitted: false><\/strong>\r\n\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u9001\u3089\u308c\u3066\u304d\u305f\u30c7\u30fc\u30bf\u2191\r\nauthenticity_token\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u306e\u6539\u3056\u3093\u9632\u6b62\u306e\u305f\u3081\u306e\u30c8\u30fc\u30af\u30f3\r\n\"question\"=>{\"name\"=>\"a\", \"title\"=>\"b\",\"Content\"=>\"c\"},\r\n\u2191\u3053\u3053\u304c\u3055\u3063\u304d\u5165\u529b\u3057\u305f\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002<\/pre>\n
quit\u3067byebug\u3092\u7d42\u4e86\u3067\u304d\u307e\u3059\u3002byebug\u306e\u8a18\u8ff0\u3082\u6d88\u3057\u3066\u304a\u304d\u307e\u3059\u3002
\n\u691c\u8a3c\u3067\u898b\u305f\u3068\u304d\u2193authenticity_token\u304c\u96a0\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u308f\u304b\u308a\u307e\u3059
\n<input type=”hidden” name=”authenticity_token”<\/strong>
\nvalue=”5xd2GRDEUu4Aasvoa8GzGBKfwiRks1F8f30uKLnClfTVWFJQAytdQwdu<\/strong>G4nycOs7LON1kRoMpgrf1INGxZT9yw==”><\/strong><\/p>\n
15\uff1a\u30d0\u30ea\u30c7\u30fc\u30c8\u306e\u8ffd\u52a0\u3092\u958b\u767a<\/h3>\n
\u5024\u304c\u7a7a\u3067\u3082\u9001\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u548e\u3081\u3066\u304a\u304d\u305f\u3044\u3068\u304d\u306b
\napp\/models\/question.rb<\/strong>\u306b\u3066\u2193\u3092\u8a18\u8ff0<\/p>\n
class Question < ApplicationRecord<\/strong>\r\n  validates :name, presence: true<\/strong>\r\n  validates :title, presence: true<\/strong>\r\n  validates :content, presence: true<\/strong>\r\nend<\/strong><\/pre>\n
16\uff1a\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u8868\u793a\u3092\u958b\u767a<\/h3>\n
\u6210\u529f\u3057\u305f\u306e\u304b\u5931\u6557\u3057\u305f\u306e\u304b\u308f\u304b\u308a\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3057\u305f\u3044\u3068\u304d\u306b<\/p>\n
app\/views\/application.html.erb<\/strong>\u306b\u3066\u8ffd\u52a0\u2193<\/p>\n
<body>\r\n  <div class=\"container\">\r\n   <% if flash[:notice] %>\r\n     <p class=\"text-success\"><%= flash[:notice] %><\/p>\r\n   <% end %>\r\n  <% if flash[:notice] %>\r\n     <p class=\"text-danger\"><%= flash[:alert] %><\/p>\r\n  <% end %>\r\n<%= yield %><\/pre>\n
\u30d5\u30a9\u30fc\u30e0\u3092\u7a7a\u306b\u3057\u305f\u6642\u306b\u3001Save\u3057\u305f\u6642Save error\uff01\u304c\u8868\u793a\u3055\u308c\u305f\u3089OK\u3067\u3059\uff01<\/p>\n
\"\"<\/p>\n
\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306e\u78ba\u8a8d\u3092\u4e21\u65b9\u3059\u308b\u5f62\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
 <\/p>\n
17\uff1a\u8cea\u554f\u6295\u7a3f\u753b\u9762\u3078\u306e\u30ea\u30f3\u30af\u3092\u958b\u767a<\/h3>\n
app\/views\/questions\/index.html.erb\u4ee5\u4e0b\u306e\u8a18\u8ff0\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/strong><\/p>\n
<\/table>\u306e\u4e0b\u306b\r\n<div><\/strong>\r\n  <%= link_to 'New question', new_question_path%><\/strong>\r\n<\/div><\/strong> \r\n              # \u7b2c\u4e00\u5f15\u6570\u2191 \u7b2c2\u5f15\u6570\u2191root\u306b\u8a2d\u5b9a\u3059\u308c\u3070\u5f53\u7136\u30eb\u30fc\u30c8URL\u306b\u3044\u304f\r\nlink_to\u306f\u30d3\u30e5\u30fc\u30d8\u30eb\u30d1\u30fc\u3068\u547c\u3070\u308c\u30cf\u30a4\u30d1\u30fc\u30ea\u30f3\u30af\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\r\n<a>\u30bf\u30b0\u3092\u751f\u6210\u3059\u308b\u30e1\u30bd\u30c3\u30c9New question\u306froutes.rb\u3092\u898b\u308c\u3070\u308f\u304b\u30ea\u307e\u3059\u3002<\/pre>\n
18\uff1a\u8cea\u554f\u7de8\u96c6\u753b\u9762\u306e\u30ea\u30f3\u30af\u3092\u958b\u767a<\/h3>\n
app\/views\/questions\/index.html.erb<\/strong> \u306eedit\u306e\u90e8\u5206\u304b\u3089\r\n<td>[ <%= link_to 'edit', edit_question_path(question) %> ]<\/strong>\r\n[Delete]<\/td>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000 <\/strong>\r\n<\/tr><\/strong>\r\n\r\n<\/pre>\n
19\uff1a\u8cea\u554f\u7de8\u96c6\u753b\u9762\u3092\u958b\u767a<\/h3>\n
app\/views\/questions\/new.html.erb<\/strong>\u3092\u6d41\u7528\u3057\u307e\u3059\u3002(\u307b\u307c\u5909\u308f\u3089\u306a\u3044\u305f\u3081)
\napp\/views\/questions\/edit.html.erb\u3067<\/strong>\u2193\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n
<div><\/strong>\r\n  <div class=\"col-md-4 offset-md-4\">\r\n<!--\u4e2d\u592e\u306b\u5bc4\u305b\u308b\u8a2d\u5b9a--><\/strong>\r\n    <h2 class=\"text-center\">Edit question<\/h2><\/strong>\r\n      <%= form_with model: @question, local: true do |f| %><\/strong>\r\n    <div class=\"form-group\"><\/strong>\r\n      <label>Name<\/label>\r\n<!--\u30c6\u30ad\u30b9\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u3064\u3051\u308b--><\/strong>\r\n      <%= f.text_field :name, class: \"form-control\" %><\/strong>\r\n    <\/div><\/strong>\r\n<!--\u30c6\u30ad\u30b9\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u3064\u3051\u308b--><\/strong>\r\n    <div class=\"form-group\"><\/strong>\r\n      <label>Title<\/label><\/strong>\r\n      <%= f.text_field :title, class: \"form-control\" %><\/strong>\r\n    <\/div><\/strong>\r\n<!--\u30c6\u30ad\u30b9\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u3064\u3051\u308b--><\/strong>\r\n  <div class=\"form-group\"><\/strong>\r\n    <label>Content<\/label><\/strong>\r\n      <%= f.text_area :content, class: \"form-control\" %><\/strong>\r\n   <\/div><\/strong>\r\n<!--save\u30dc\u30bf\u30f3\u3092\u4ed8\u3051\u308b-->\r\n   <div class=\"text-center\"><\/strong>\r\n     <%= f.submit \"Save\", class: \"btn btn-primary\" %><\/strong>\r\n   <\/div><\/strong>\r\n  <% end %><\/strong>\r\n<\/div><\/strong><\/pre>\n
20:\u8cea\u554f\u7de8\u96c6\u753b\u9762\u3092\u958b\u767a<\/h3>\n
app\/controllers\/questions_controller.rb<\/strong>\u3092\u7de8\u96c6def edit\u306e\u90e8\u5206<\/p>\n
def edit\r\n  @question = Question.find(params[:id])\r\nend\r\n#URL\u306bquestions\/1\/edit\u306e\u3088\u3046\u306bid\u304c\u5165\u308b\u305f\u3081\u2191\u304c\u3044\u308b\r\n#params\u3068\u306fRails\u3067\u9001\u3089\u308c\u3066\u304d\u305f\u5024\u3092\u53d7\u3051\u53d6\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\r\n#find\u306f\u3001model\u306e\u691c\u7d22\u6a5f\u80fd\u306e1\u3064\u3067\u3059\u3002<\/strong><\/pre>\n
\u66f4\u306bsave\u6a5f\u80fd\u306e\u5b9f\u88c5\u306e\u305f\u3081\u7de8\u96c6<\/p>\n
class QuestionsController < ApplicationController\r\n\r\n  def index\r\n  #questions\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u3059\u3079\u3066\u306e\u8cea\u554f\u3092\u53d6\u5f97\u3059\u308b\r\n    @questions = Question.all\r\n  end\r\n\r\n  def show\r\n  end\r\n\r\n  def new\r\n    @question = Question.new\r\n  end\r\n\r\n  def create\r\n    @question = Question.new(question_params)\r\n      if @question.save\r\n    redirect_to root_path, notice: 'success!'\r\n      else\r\n    flash[:alert] = 'Save error!'\r\n    render :new\r\n       end\r\n    end\r\n\r\n  def edit\r\n    @question = Question.find(params[:id])\r\n  end\r\n\r\n  def update\r\n    #id\u3092\u3082\u3068\u306bDB\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u2193\r\n    @question = Question.find(params[:id])\r\n      if @question.update(question_params)\r\n        redirect_to root_path, notice: 'Success!'\r\n      else\r\n        flash[:alert] = 'Save error!'\r\n      render :edit\r\n      end\r\n   end\r\n\r\n  private\r\n    def question_params\r\n      params.require(:question).permit(:name, :title, :content)\r\n    end\r\nend\r\n<\/strong><\/pre>\n
\u66f4\u65b0\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u4fe1\u7528\u3067\u304d\u306a\u3044\u306e\u3067\u3001
\nquestion_params\u3064\u307e\u308a\u30b9\u30c8\u30ed\u30f3\u30b0\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u7d4c\u7531\u3057\u3066\u5024\u3092\u5229\u7528\u3057\u307e\u3059\u3002
\n\u4fdd\u5b58\u304c\u6210\u529f\u3057\u305f\u3089if\u304c\u6210\u7acb\u3059\u308b\u306e\u3067\u30eb\u30fc\u30c8URL\u3078\u98db\u3073Success\uff01\u8868\u793a
\n\u5931\u6557\u3057\u305f\u3089edit\u306e\u307e\u307e\u3067Save error\uff01\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n
\u7de8\u96c6\u753b\u9762\u3078\u306e\u30ea\u30f3\u30af\u304b\u3089\u2193\u306e\u3088\u3046\u306b\u5024\u304cSET\u3055\u308c\u3066\u3044\u3066\u65b0\u3057\u304f\u5024\u3092\u8a2d\u5b9a\u3057\u3066\u3001\u66f4\u65b0\u3067\u304d\u305f\u3089OK\u3067\u3059\u3002<\/p>\n
\"\"<\/p>\n
\u305d\u306e\uff15\u306b\u7d9a\u304d\u307e\u3059<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u305d\u306e\uff13\u304b\u3089\u7d9a\u304d\u307e\u3059 11\uff1a\u65b0\u898f\u8cea\u554f\u6a5f\u80fd\u306e\u6295\u7a3fView app\/views\/questions\/new.html.erb\u3092\u2193\u306e\u3088\u3046\u306b\u8a18\u8ff0 <div class=”col-md-4 offset-md-4″> & […]<\/p>\n","protected":false},"author":1,"featured_media":2764,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[27,13],"tags":[],"class_list":["post-2784","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming-note","category-rails"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/2784","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/comments?post=2784"}],"version-history":[{"count":11,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/2784\/revisions"}],"predecessor-version":[{"id":4488,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/2784\/revisions\/4488"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/media\/2764"}],"wp:attachment":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/media?parent=2784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/categories?post=2784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/tags?post=2784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}