{"id":27073,"date":"2017-08-24T09:45:58","date_gmt":"2017-08-24T09:45:58","guid":{"rendered":"https:\/\/dev.railscarma.com\/carrierwave-gem-file-uploads-rails\/"},"modified":"2021-06-05T07:52:04","modified_gmt":"2021-06-05T07:52:04","slug":"carrierwave-gem-%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%a2%e3%83%83%e3%83%97%e3%83%ad%e3%83%bc%e3%83%89-rails","status":"publish","type":"post","link":"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e6%8a%80%e8%a1%93%e8%ab%96%e6%96%87\/carrierwave-gem-%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%a2%e3%83%83%e3%83%97%e3%83%ad%e3%83%bc%e3%83%89-rails\/","title":{"rendered":"Rails \u3067\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u7528\u306e Carrierwave Gem"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"27073\" class=\"elementor elementor-27073\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-19454c67 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"19454c67\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7fdcd50e\" data-id=\"7fdcd50e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-475f27d5 elementor-widget elementor-widget-text-editor\" data-id=\"475f27d5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tWeb \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u5834\u5408\u3001\u5fc5\u305a\u5fc5\u8981\u306b\u306a\u308b\u6a5f\u80fd\u306e 1 \u3064\u306f\u753b\u50cf\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6a5f\u80fd\u3067\u3059\u3002\u5b9f\u969b\u3001\u753b\u50cf\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306f\u3001\u73fe\u4ee3\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306a\u3057\u3067\u306f\u8003\u3048\u3089\u308c\u306a\u3044\u91cd\u8981\u306a\u6a5f\u80fd\u306e 1 \u3064\u3067\u3059\u3002\u305d\u308c\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u753b\u50cf\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u304c\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306e\u6700\u9069\u5316\u306b\u3082\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u4e8b\u5b9f\u3092\u8003\u616e\u3059\u308b\u3068\u3001\u3055\u3089\u306b\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002 CarrierWave gem \u306f Rails \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u7d71\u5408\u3067\u304d\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u305f\u3081\u306e\u30b7\u30f3\u30d7\u30eb\u304b\u3064\u975e\u5e38\u306b\u67d4\u8edf\u306a\u65b9\u6cd5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\n<h3>Rails \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7:<\/h3>\nRails \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3053\u308c\u3092\u8a2d\u5b9a\u3059\u308b\u306b\u306f\u3001\u65b0\u3057\u3044\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u305f\u5f8c\u3001gem \u30d5\u30a1\u30a4\u30eb\u306b 2 \u3064\u306e gem \u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 1 \u3064\u76ee\u306f CarrierWave \u81ea\u4f53\u3067\u30012 \u3064\u76ee\u306f bootstrap-sass gem (\u30aa\u30d7\u30b7\u30e7\u30f3) \u3067\u3059\u3002\n<pre><code>gem &#039;carrierwave&#039;\u3001&#039;~&gt; 0.9&#039;<\/code><\/pre>\n<pre><code>gem &#039;bootstrap-sass&#039;\u3001&#039;~&gt; 2.3.2&#039;<\/code><\/pre>\n<h3>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb:<\/h3>\nBundle install \u3092\u5b9f\u884c\u3057\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30e2\u30c7\u30eb\u3068\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u30d0\u30f3\u30c9\u30eb\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\n<pre><code>Rails g model \u30e2\u30c7\u30eb\u540d\u30d5\u30a3\u30fc\u30eb\u30c9:\u30c7\u30fc\u30bf\u578b =&gt;\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb:\u6587\u5b57\u5217<\/code><\/pre>\n<pre><code>rake db:\u79fb\u884c<\/code><\/pre>\nRails g controlcontrollername action =&gt; Index new create destroy \u6b21\u306b\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c0\u30fc\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30a2\u30c3\u30d7\u30ed\u30fc\u30c0\u30fc\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u304c\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u5f8c\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u51e6\u7406\u65b9\u6cd5\u3092 Carrierwave \u306b\u6307\u793a\u3057\u307e\u3059 =&gt; Rails g Uploader Attachment \u30d5\u30a1\u30a4\u30ebattachment_uploader.rb\u3092\u542b\u3080uploaders\u3068\u3044\u3046\u540d\u524d\u306e\u30d5\u30a9\u30eb\u30c0\u30fc\u304c\u30a2\u30d7\u30ea\u30d5\u30a9\u30eb\u30c0\u30fc\u5185\u306b\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\n<h3>\u904a\u3073\u65b9:<\/h3>\n<b>app\/uploaders\/attachment_uploader.rb<\/b>\n<pre><code>class Attachment Uploader &lt; CarrierWave::Uploader::Base storage :file def store_dir &quot;uploads\/#{model.class.to_s.underscore}\/#{mounted_as}\/#{model.id}&quot; end end<\/code><\/pre>\n\u6b21\u306b\u3001\u5c65\u6b74\u66f8\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306b\u30d5\u30a9\u30fc\u30e0\u51e6\u7406\u3092\u51e6\u7406\u3059\u308b\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\n<pre><code>class ResumesController &lt; ApplicationController defindex @resumes = Resume.all end def new @resume = Resume.new end def create @resume = Resume.new(resume_params) if @resume.save redirect_toresumes_path\u3001\u6ce8\u610f: &quot;\u518d\u958b #{@resume .name} \u304c\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u307e\u3057\u305f\u3002\u300d else render &quot;new&quot; end end def destroy @resume = Resume.find(params[:id]) @resume.destroy redirect_to raises_path\u3001\u6ce8\u610f: \u300c\u5c65\u6b74\u66f8 #{@resume.name} \u304c\u524a\u9664\u3055\u308c\u307e\u3057\u305f\u3002\u300d end private defresume_params params.require(:resume).permit(:name, :attachment) end end<\/code><\/pre>\n\u6b21\u306b\u3001\u30d3\u30e5\u30fc \u30d5\u30a1\u30a4\u30eb\u3092\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\n<h5>new.html.erb\u306e\u5834\u5408<\/h5>\n<pre><code><\/code><\/pre>\n<div class=\"well\">&lt;%= form_for @resume, html: { multipart: true } do |f| %&gt; &lt;%= f.label :name %&gt; &lt;%= f.text_field :name %&gt; &lt;%= f.label :attachment %&gt; &lt;%= f.file_field :attachment %&gt; &lt;%= f.submit \u300c\u4fdd\u5b58\u300d &quot;\u3001\u30af\u30e9\u30b9: &quot;btn btn-primary&quot; %&gt; &lt;% \u7d42\u4e86 %&gt;<\/div>\n<pre><code><\/code><\/pre>\n&nbsp;\n<pre><code><\/code><\/pre>\n<h5>Index.html.erb \u306e\u5834\u5408<\/h5>\n<pre><code><\/code><\/pre>\n&lt;% @resumes.each \u306f |resume| \u3092\u884c\u3044\u307e\u3059%&gt; &lt;% \u7d42\u4e86 %&gt;\n<table class=\"table table-bordered table-striped\">\n<thead>\n<tr>\n<th>\u540d\u524d<\/th>\n<th>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30ea\u30f3\u30af<\/th>\n<th><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>&lt;%= \u518d\u958b.name %&gt;<\/td>\n<td>&lt;%= link_to\u300c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u5c65\u6b74\u66f8\u300d\u3001resume.attachment_url %&gt;<\/td>\n<td>&lt;%= button_to &quot;\u524a\u9664&quot;\u3001\u518d\u958b\u3001\u30e1\u30bd\u30c3\u30c9: :delete\u3001\u30af\u30e9\u30b9: &quot;&quot;\u3001\u78ba\u8a8d: \u300c#{resume.name} \u3092\u524a\u9664\u3057\u3066\u3082\u3088\u308d\u3057\u3044\u3067\u3059\u304b?\u300d %&gt;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<pre><code><\/code><\/pre>\n&nbsp;\n<pre><code><\/code><\/pre>\n<h5>app\/uploaders\/attachment_uploader.rb<\/h5>\n<pre><code>class AttachmentUploader &lt; CarrierWave::Uploader::Base storage :file def store_dir &quot;uploads\/#{model.class.to_s.underscore}\/#{mounted_as}\/#{model.id}&quot; end def extension_white_list %w(pdf doc htm html docx) \u7d42\u4e86\u7d42\u4e86<\/code><\/pre>\n<h4>\u53c2\u8003\u6587\u732e:<\/h4>\n\u30ae\u30c3\u30c8\u30cf\u30d6: <a href=\"https:\/\/github.com\/carrierwaveuploader\/carrierwave\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/github.com\/carrierwaveuploader\/carrierwave<\/a>\n\u30eb\u30d3\u30fc\u30b8\u30a7\u30e0: <a href=\"https:\/\/rubygems.org\/gems\/carrierwave\/versions\/0.11.2\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/rubygems.org\/gems\/carrierwave\/versions\/0.11.2<\/a>\n\u30ec\u30fc\u30eb\u30ad\u30e3\u30b9\u30c8: <a href=\"http:\/\/railscasts.com\/episodes\/253-carrierwave-file-uploads\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/railscasts.com\/episodes\/253-carrierwave-file-uploads<\/a>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-78ac628e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"78ac628e\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-381e1eb0\" data-id=\"381e1eb0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2cd4f982 elementor-widget elementor-widget-heading\" data-id=\"2cd4f982\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u6700\u65b0\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u8cfc\u8aad\u3059\u308b<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-41382e33 elementor-widget elementor-widget-shortcode\" data-id=\"41382e33\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t\t\t\t<script type=\"text\/javascript\">\n\t\t\t\t\t\tvar gCaptchaSibWidget;\n                        var onloadSibCallbackInvisible = function () {\n\n                            var element = document.getElementsByClassName('sib-default-btn');\n                            var countInvisible = 0;\n                            var indexArray = [];\n                            jQuery('.sib-default-btn').each(function (index, el) {\n                                if ((jQuery(el).attr('id') == \"invisible\")) {\n                                    indexArray[countInvisible] = index;\n                                    countInvisible++\n                                }\n                            });\n\n                            jQuery('.invi-recaptcha').each(function (index, el) {\n                                grecaptcha.render(element[indexArray[index]], {\n                                    'sitekey': jQuery(el).attr('data-sitekey'),\n                                    'callback': sibVerifyCallback,\n                                });\n                            });\n                        };\n\t\t\t\t\t<\/script>\n\t\t\t\t\t                <script src=\"https:\/\/www.google.com\/recaptcha\/api.js?onload=onloadSibCallbackInvisible&render=explicit\" async defer><\/script>\n\t\t\t\t\n\t\t\t<form id=\"sib_signup_form_1\" method=\"post\" class=\"sib_signup_form\" action=\"\">\n\t\t\t\t<div class=\"sib_loader\" style=\"display:none;\"><img\n\t\t\t\t\t\t\tsrc=\"https:\/\/www.railscarma.com\/wp-includes\/images\/spinner.gif\" alt=\"\u30ed\u30fc\u30c0\"><\/div>\n\t\t\t\t<input type=\"hidden\" name=\"sib_form_action\" value=\"subscribe_form_submit\">\n\t\t\t\t<input type=\"hidden\" name=\"sib_form_id\" value=\"1\">\n                <input type=\"hidden\" name=\"sib_form_alert_notice\" value=\"Please fill out this field\">\n                <input type=\"hidden\" name=\"sib_form_invalid_email_notice\" value=\"Your email address is invalid\">\n                <input type=\"hidden\" name=\"sib_security\" value=\"d7f7626ab9\">\n\t\t\t\t<div class=\"sib_signup_box_inside_1\">\n\t\t\t\t\t<div style=\"\/*display:none*\/\" class=\"sib_msg_disp\">\n\t\t\t\t\t<\/div>\n                                            <div id=\"sib_captcha_invisible\" class=\"invi-recaptcha\" data-sitekey=\"6LdikOAaAAAAAJ6SWrrKVQrtw7TQpQAEnv0HS0G3\"><\/div>\n                    \t\t\t\t\t<p class=\"sib-email-area\">\r\n    <label class=\"sib-email-area\"><\/label>\r\n    <input type=\"email\" class=\"sib-email-area\" name=\"email\" required=\"required\" placeholder=\"\u96fb\u5b50\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\">\r\n<\/p>\r\n<p class=\"sib-NAME-area\">\r\n    <label class=\"sib-NAME-area\"><\/label>\r\n    <input type=\"text\" class=\"sib-NAME-area\" name=\"NAME\" placeholder=\"\u540d\u524d\">\r\n<\/p>\r\n<p>\r\n    <input type=\"submit\" id=\"invisible\" class=\"sib-default-btn\" value=\"\u8cfc\u8aad\u3059\u308b\">\r\n<\/p>\t\t\t\t<\/div>\n\t\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"ja\"\/><\/form>\n\t\t\t<style>\n\t\t\t\tform#sib_signup_form_1 p.sib-alert-message {\n    padding: 6px 12px;\n    margin-bottom: 20px;\n    border: 1px solid transparent;\n    border-radius: 4px;\n    -webkit-box-sizing: border-box;\n    -moz-box-sizing: border-box;\n    box-sizing: border-box;\n}\nform#sib_signup_form_1 p.sib-alert-message-error {\n    background-color: #f2dede;\n    border-color: #ebccd1;\n    color: #a94442;\n}\nform#sib_signup_form_1 p.sib-alert-message-success {\n    background-color: #dff0d8;\n    border-color: #d6e9c6;\n    color: #3c763d;\n}\nform#sib_signup_form_1 p.sib-alert-message-warning {\n    background-color: #fcf8e3;\n    border-color: #faebcc;\n    color: #8a6d3b;\n}\n\t\t\t<\/style>\n\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t  <div class=\"related-post slider\">\r\n        <div class=\"headline\">\u95a2\u9023\u8a18\u4e8b<\/div>\r\n    <div class=\"post-list owl-carousel\">\r\n\r\n            <div class=\"item\">\r\n            <div class=\"thumb post_thumb\">\r\n    <a  title=\"\u30ab\u30df\u30ca\u30ea\u30b8\u30a7\u30e0\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e6%8a%80%e8%a1%93%e8%ab%96%e6%96%87\/%e3%82%ab%e3%83%9f%e3%83%8a%e3%83%aa%e3%82%b8%e3%82%a7%e3%83%a0\/?related_post_from=37277\">\r\n\r\n      <img decoding=\"async\" width=\"800\" height=\"300\" src=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2023\/04\/kaminari-gem.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"\u30ab\u30df\u30ca\u30ea\u30b8\u30a7\u30e0\" srcset=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2023\/04\/kaminari-gem.jpg 800w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2023\/04\/kaminari-gem-300x113.jpg 300w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2023\/04\/kaminari-gem-768x288.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\r\n\r\n    <\/a>\r\n  <\/div>\r\n\r\n  <a class=\"title post_title\"  title=\"\u30ab\u30df\u30ca\u30ea\u30b8\u30a7\u30e0\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e6%8a%80%e8%a1%93%e8%ab%96%e6%96%87\/%e3%82%ab%e3%83%9f%e3%83%8a%e3%83%aa%e3%82%b8%e3%82%a7%e3%83%a0\/?related_post_from=37277\">\r\n        \u30ab\u30df\u30ca\u30ea\u30b8\u30a7\u30e0  <\/a>\r\n\r\n        <\/div>\r\n              <div class=\"item\">\r\n            <div class=\"thumb post_thumb\">\r\n    <a  title=\"\u306a\u305c2026\u5e74\u306bRuby on Rails\u958b\u767a\u8005\u3092\u96c7\u3046\u306e\u304b\uff1f\" 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\u3064\u3067\u3059\u3002\u305d\u308c\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u753b\u50cf\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u304c\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306e\u6700\u9069\u5316\u306b\u3082\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u4e8b\u5b9f\u3092\u8003\u616e\u3059\u308b\u3068\u3001\u3055\u3089\u306b\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002 CarrierWave gem \u306f Rails \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u7d71\u5408\u3067\u304d\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u305f\u3081\u306e\u30b7\u30f3\u30d7\u30eb\u304b\u3064\u975e\u5e38\u306b\u67d4\u8edf\u306a\u65b9\u6cd5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 Rails \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7: Rails \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3053\u308c\u3092\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3059\u308b\u306b\u306f\u3001\u65b0\u3057\u3044\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u305f\u5f8c\u3001gem \u30d5\u30a1\u30a4\u30eb\u306b 2 \u3064\u306e gem \u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u521d \u2026<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/ruby-on-rails%e3%81%a7%e3%81%ae%e3%82%b5%e3%83%bc%e3%83%89%e3%83%91%e3%83%bc%e3%83%86%e3%82%a3api%e7%b5%b1%e5%90%88%e3%82%bd%e3%83%aa%e3%83%a5%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3\/\"> <span class=\"screen-reader-text\">Ruby on Rails\u306b\u304a\u3051\u308b\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3API\u7d71\u5408\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/span> \u3082\u3063\u3068\u8aad\u3080 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