{"id":63786,"date":"2021-08-01T08:08:09","date_gmt":"1970-01-01T00:00:00","guid":{"rendered":"https:\/\/www.sejuku.net\/blog\/?p=63786"},"modified":"2024-05-06T11:49:40","modified_gmt":"2024-05-06T02:49:40","slug":"%e3%80%90rails%e5%85%a5%e9%96%80%e3%80%91view%e3%81%a8model%e3%81%ae%e9%96%93%e3%81%abdecorator%ef%bc%88draper%ef%bc%89%e3%82%92%e7%bd%ae%e3%81%8f","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/63786","title":{"rendered":"\u3010Rails\u5165\u9580\u3011View\u3068Model\u306e\u9593\u306bDecorator\uff08Draper\uff09\u3092\u7f6e\u304f"},"content":{"rendered":"

\u4eca\u56de\u306f\u3001Ruby on Rails<\/strong><\/span>\uff08\u4ee5\u964d\u3001Rails<\/strong><\/span>\uff09\u3067\u3001\u8ab0\u3082\u304c\u982d\u3092\u60a9\u307e\u305b\u3066\u3044\u308b\u3001\u3042\u308b\u554f\u984c\u30921\u3064\u89e3\u6c7a\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n

\u305d\u308c\u306f\u3001<\/p>\n

\u30fbModel\u3068View\u306e\u3069\u3063\u3061\u306b\u66f8\u304f\u306e\u554f\u984c<\/strong><\/span><\/p>\n

\u3067\u3059\u3002<\/p>\n

\u975e\u5e38\u306b\u7c21\u5358\u306a\u4f8b\u3067\u3001Model<\/strong><\/span>\u3067\u306f\u65e5\u6642\u3092\u201d2018-07-12 18:12:34\u201d\u3067\u4fdd\u6301\u3057\u3066\u3044\u307e\u3059\u304c\u3001View<\/strong><\/span>\u3067\u306f\u201d2018\/7\/12\u201d\u3068\u8868\u793a\u3059\u308b\u5834\u5408\u3092\u8003\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n

\u3053\u306e\u65e5\u6642\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u5909\u66f4\u3059\u308b\u30b3\u30fc\u30c9\u306f\u3001Model<\/strong><\/span>\u3068View<\/strong><\/span>\u306e\u3069\u3063\u3061\u306b\u66f8\u304f\u306e\u3067\u3057\u3087\u3046\u3002<\/p>\n

\u79c1\u306f\u3001Model\u3068View\u306e\u9593\u306bDecorator<\/strong><\/span>\u30921\u3064\u8ffd\u52a0\u3057\u3066\u3001Decorator\u306b\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\uff01<\/p>\n

\u3069\u3046\u3044\u3046\u3053\u3068\uff1f<\/strong><\/span>\u3068\u601d\u3063\u305f\u3042\u306a\u305f\u306f\u3001\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3080\u3079\u304d\u3067\u3059\u3002<\/p>\n

\u305d\u308c\u3067\u306f\u3001\u59cb\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n

Decorator\u3068\u306f<\/h2>\n

\u3061\u3087\u3063\u3068\u6982\u5ff5\u7684\u306a\u8a71\u304b\u3089\u59cb\u3081\u307e\u3059\u306e\u3067\u3001\u307e\u305a\u306f\u7d50\u8ad6\u304b\u3089\u3002<\/p>\n

Model\u2192View\u306e\u95a2\u4fc2\u3067\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3044\u305f\u3068\u3053\u308d\u306bDecorator\u3092\u8ffd\u52a0\u3057\u3066\u3001Model\u2192Decorator<\/strong><\/span>\u2192View\u306e\u95a2\u4fc2\u3067\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n

\u3053\u3053\u3067\u306f\u3001\u300cDecorator\u3092\u8ffd\u52a0\u3059\u308b\u300d\u3068\u3001\u3069\u3046\u3057\u3066\u300cModel\u3068View\u306e\u3069\u3063\u3061\u306b\u66f8\u304f\u306e\u554f\u984c<\/strong><\/span>\u300d\u304c\u89e3\u6c7a\u3067\u304d\u308b\u306e\u304b\u3092\u3001\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n

\u79c1\u304c\u66f8\u304f\u8a18\u4e8b\u3067\u305f\u3073\u305f\u3073\u767b\u5834\u3057\u3066\u3044\u308b\u4ee5\u4e0b\u306e\u8868\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n\n\t\n\n\t\n\t\n\t
\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08\u69cb\u6210\u8981\u7d20\uff09<\/th>\u8aac\u660e<\/th>\u5099\u8003<\/th>\n<\/tr>\n<\/thead>\n
Model\uff08\u30e2\u30c7\u30eb\uff09<\/td>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u53d6\u308a\u6271\u3046<\/td>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u683c\u7d0d\u65b9\u6cd5\u306f\u3001Model\u306b\u96a0\u307a\u3044\u3059\u308b<\/td>\n<\/tr>\n
View\uff08\u30d3\u30e5\u30fc\uff09<\/td>\u753b\u9762\u8868\u793a\u3092\u53d6\u308a\u6271\u3046<\/td>\u8868\u793a\u65b9\u6cd5\u306f\u3001View\u306b\u96a0\u307a\u3044\u3059\u308b<\/td>\n<\/tr>\n
Controller\uff08\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\uff09<\/td>\uff08\u30e6\u30fc\u30b6\u30fc\u306e\u5165\u529b\u3092\u53d7\u3051\u3066\uff09Model\u3068View\u306b\u30a2\u30ec\u30b3\u30ec\u6307\u793a\u3059\u308b<\/td>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u683c\u7d0d\u65b9\u6cd5\u3084\u8868\u793a\u65b9\u6cd5\u306f\u77e5\u3089\u306a\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n

\u3053\u308c\u3092\u898b\u308b\u3068\u3001\u65e5\u6642\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u5909\u66f4\u3059\u308b\u30b3\u30fc\u30c9\u306f\u3001Model\u306b\u3082View\u306b\u3082\u66f8\u3051\u308b\u6c17\u304c\u3057\u307e\u3059\u3002<\/strong><\/span><\/p>\n

Model\u3092\u898b\u308b\u3068\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u683c\u7d0d\u65b9\u6cd5\u306f\u3001Model\u306b\u96a0\u307a\u3044\u3059\u308b\u300d\u3068\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u683c\u7d0d\u3059\u308b\u201d2018-07-12 18:12:34\u201d\u3068\u3044\u3046\u5f62\u5f0f\u306f\u3001View\u306b\u306f\u77e5\u3089\u308c\u305f\u304f\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u304b\u3089\u3001View\u3067\u65e5\u4ed8\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u3089Model\u5074\u3067\u9069\u5207\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u3059\u308b\u3079\u304d<\/strong><\/span>\u3068\u3044\u3046\u8003\u3048\u65b9\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u4e00\u65b9\u3001View\u3092\u898b\u308b\u3068\u300c\u8868\u793a\u65b9\u6cd5\u306f\u3001View\u306b\u96a0\u307a\u3044\u3059\u308b\u300d\u3068\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u201d2018\/7\/12\u201d\u3068\u3044\u3046\u8868\u793a\u65b9\u6cd5\u306fView\u5074\u306b\u66f8\u304f\u3079\u304d<\/strong><\/span>\u3068\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n

\u3069\u3061\u3089\u3082\u6b63\u3057\u3044\u6c17\u3082\u3057\u307e\u3059\u304c\u3001\u3069\u3061\u3089\u3082\u6b63\u3057\u304f\u306a\u3044\u6c17\u304c\u3057\u307e\u3059\u3002<\/p>\n

\u307e\u3055\u306b\u3001\u982d\u3092\u60a9\u307e\u305b\u308bModel\u3068View\u306e\u3069\u3063\u3061\u306b\u66f8\u304f\u306e\u554f\u984c<\/strong><\/span>\u3067\u3059\u306d\u3002<\/p>\n

\u79c1\u306f\u3001Decorator<\/strong><\/span>\u3092\u304a\u3059\u3059\u3081\u3059\u308b\u7acb\u5834\u3067\u3059\u306e\u3067\u3001\u6b21\u306e\u3088\u3046\u306b\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n

Model\u306f\u300c\u30c7\u30fc\u30bf<\/strong><\/span>\u7ba1\u7406\u3060\u3051\u300d\u3092\u62c5\u5f53\u3057\u3001View\u306f\u300c\u60c5\u5831<\/strong><\/span>\u8868\u793a\u3060\u3051\u300d\u3092\u62c5\u5f53\u3059\u308b\u3001\u3068\u3044\u3046\u5f79\u5272\u5206\u62c5\u3067\u3059\u3002<\/p>\n

\u305d\u3057\u3066\u65b0\u3057\u304f\u767b\u5834\u3059\u308bDecorator\u306b\u306f\u3001\u300c\uff08\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u7ba1\u7406\u3057\u3084\u3059\u3044\uff09\u30c7\u30fc\u30bf<\/strong><\/span>\u300d\u3092\u300c\uff08\u30e6\u30fc\u30b6\u30fc\u304c\u7406\u89e3\u3057\u3084\u3059\u3044\uff09\u60c5\u5831<\/strong><\/span>\u300d\u306b\u5909\u63db\u3059\u308b\u5f79\u5272\u3092\u6301\u305f\u305b\u307e\u3059\u3002<\/p>\n

\u305d\u3057\u3066\u3001\u5148\u307b\u3069\u306e\u65e5\u6642\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u5909\u66f4\u3059\u308b\u30b3\u30fc\u30c9\u306fDecorator\u306b\u66f8\u304d\u3001View\u3067\u306fDecorator\u3067\u7528\u610f\u3057\u305f\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n

Model\u3068View\u306e\u9593\u306bDecorator\u3092\u8ffd\u52a0\u3057\u3066\u3001\u30c7\u30fc\u30bf\u3092\u60c5\u5831\u306b\u5909\u63db\u3059\u308b\u5f79\u5272\u3092\u6301\u305f\u305b\u308c\u3070\u3001Model\u3068View\u306e\u3069\u3063\u3061\u306b\u66f8\u304f\u306e\u554f\u984c<\/strong><\/span>\u300d\u304c\u89e3\u6c7a\u3067\u304d\u305d\u3046\u3067\u3059\u306d\uff01<\/p>\n

Draper\u3068\u306f<\/h2>\n

\u3053\u3053\u304b\u3089\u306f\u3001Rails\u3067Decorator\u3092\u5b9f\u73fe\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n

\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Rails\u3089\u3057\u304fgem\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3001Decorator\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n

Decorator\u3092\u7c21\u5358\u306b\u5c0e\u5165\u3059\u308b\u305f\u3081\u306egem\u306f\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p>\n

The Ruby Toolbox\u3067\u306f\u3001\u300cRails Presenters\u300d\u3068\u3044\u3046\u30ab\u30c6\u30b4\u30ea\u30fc\u3067\u96c6\u7d04\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\"\"<\/p>\n

\u53c2\u8003\uff1ahttps:\/\/www.ruby-toolbox.com\/categories\/rails_presenters<\/a><\/p>\n

\u4eca\u56de\u306f\u3001\u6700\u3082\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u6570\u304c\u591a\u3044Draper<\/strong><\/span>\u3092\u4f7f\u3063\u3066Decorator\u3092\u5c0e\u5165\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

Draper\u4ee5\u5916\u306b\u3082\u3001Cells<\/strong><\/span>\u3001ActiveDecorator<\/strong><\/span>\u3001Apotomo<\/strong><\/span>\u3001display_case<\/strong><\/span>\u306a\u3069\u304c\u767b\u9332\u3055\u308c\u3066\u3044\u307e\u3059\u306d\u3002<\/p>\n

\u5b9f\u88c5\u65b9\u6cd5\u3084\u4f7f\u3044\u304b\u305f\u304c\u7570\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u6700\u9ad8\u306egem\u3092\u63a2\u3059\uff01\u3068\u3044\u3046\u65b9\u306f\u8a66\u3057\u3066\u307f\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n

\u52d5\u4f5c\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306eWeb\u30a2\u30d7\u30ea\u3092\u4f5c\u6210\u3059\u308b<\/h2>\n

Draper\u306b\u3088\u308bDecorator\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001Rails\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066Web\u30a2\u30d7\u30ea\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n

\uff081\uff09Rails<\/strong><\/span>\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n

\u79c1\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3092\u53c2\u8003\u306b\u3001VirtualBox\u3067\u4f5c\u6210\u3057\u305f\u4eee\u60f3\u30d1\u30bd\u30b3\u30f3\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305fLinux Mint\u306b\u3001Rails\u306e\u958b\u767a\u74b0\u5883\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u57fa\u672c\u7684\u306b\u306f\u8a18\u4e8b\u306e\u624b\u9806\u306b\u5f93\u3063\u3066\u64cd\u4f5c\u3057\u307e\u3059\u304c\u3001app\/samurai\/sample1\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001app\/samurai\/decorator-demo\u30c7\u30a3\u30ec\u30af\u30c8\u30ea<\/strong><\/span>\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n

Rails\u3092\u8d77\u52d5\u3057\u3066\u3001\u30d6\u30e9\u30a6\u30b6\u3067\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u3089\u3001\u3044\u3063\u305f\u3093Rails\u3092\u7d42\u4e86\u3057\u3066\u304b\u3089\u6b21\u306b\u9032\u307f\u307e\u3059\u3002<\/p>\n \n

\n
\n
\n \n <\/div>\n
\n
\u521d\u5fc3\u8005\u3067\u3082\u304b\u3093\u305f\u3093\uff01Ruby on Rails \u306e\u958b\u767a\u74b0\u5883\u306e\u69cb\u7bc9\u624b\u9806\uff08Mac\/Windows \u4e21\u5bfe\u5fdc\uff09<\/div>\n
\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/a>\n \n

Linux Mint\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n \n

\n
\n
\n \n <\/div>\n
\n
Linux Mint Cinnamon\u30a8\u30c7\u30a3\u30b7\u30e7\u30f3\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046<\/div>\n
\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/a>\n \n

Draper\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/h2>\n

Rails\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u6e08\u3093\u3067\u3044\u308c\u3070\u3001Draper\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u7c21\u5358\u3067\u3059\u3002<\/p>\n

\uff081\uff09Gemfile\u306e\u6700\u7d42\u884c\u306b\u4ee5\u4e0b\u306e\u5185\u5bb9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n

gem 'draper'<\/pre>\n
\uff082\uff09\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u30921\u884c\u305a\u3064\u9806\u756a\u306b\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n
bundle install<\/pre>\n
Draper\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n
\u7c21\u5358\u306aDecorator\u3092\u4f7f\u3063\u3066\u307f\u308b<\/h2>\n
\u7c21\u5358\u306a\u4f8b\u3067\u3059\u304c\u3001Model<\/strong><\/span>\u3067\u4fdd\u6301\u3057\u3066\u3044\u308b\u201d2018-07-12 18:12:34\u201d\u3068\u3044\u3046\u65e5\u6642\u3092\u3001View<\/strong><\/span>\u3067\u306f\u201d2018\/7\/12\u201d\u3068\u8868\u793a\u3059\u308bDecorator\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u307e\u305a\u306f\u3001bin\/rails generate scaffold\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002<\/p>\n
\uff081\uff09\u300c\u7aef\u672b\u300d<\/strong><\/span>\u3067\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u30921\u884c\u305a\u3064\u9806\u756a\u306b\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n
bin\/rails generate scaffold User name:string<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
Running via Spring preloader in process 20314\r\n      invoke  active_record\r\n      create    db\/migrate\/20180713061008_create_users.rb\r\n      create    app\/models\/user.rb\r\n      invoke    test_unit\r\n      create      test\/models\/user_test.rb\r\n      create      test\/fixtures\/users.yml\r\n      invoke  resource_route\r\n       route    resources :users\r\n      invoke  scaffold_controller\r\n      create    app\/controllers\/users_controller.rb\r\n      invoke    erb\r\n      create      app\/views\/users\r\n      create      app\/views\/users\/index.html.erb\r\n      create      app\/views\/users\/edit.html.erb\r\n      create      app\/views\/users\/show.html.erb\r\n      create      app\/views\/users\/new.html.erb\r\n      create      app\/views\/users\/_form.html.erb\r\n      invoke    test_unit\r\n      create      test\/controllers\/users_controller_test.rb\r\n      invoke    helper\r\n      create      app\/helpers\/users_helper.rb\r\n      invoke      test_unit\r\n      invoke    decorator\r\n      create      app\/decorators\/user_decorator.rb\r\n      invoke      test_unit\r\n      create        test\/decorators\/user_decorator_test.rb\r\n      invoke    jbuilder\r\n      create      app\/views\/users\/index.json.jbuilder\r\n      create      app\/views\/users\/show.json.jbuilder\r\n      create      app\/views\/users\/_user.json.jbuilder\r\n      invoke  test_unit\r\n      create    test\/system\/users_test.rb\r\n      invoke  assets\r\n      invoke    coffee\r\n      create      app\/assets\/javascripts\/users.coffee\r\n      invoke    scss\r\n      create      app\/assets\/stylesheets\/users.scss\r\n      invoke  scss\r\n      create    app\/assets\/stylesheets\/scaffolds.scss<\/pre>\n
\u901a\u5e38\u306escaffold\u3067\u4f5c\u6210\u3055\u308c\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\uff0f\u30d5\u30a1\u30a4\u30eb\u306b\u52a0\u3048\u3066\u3001\u4ee5\u4e0b\u306e4\u3064\u304c\u4f5c\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
      invoke    decorator\r\n      create      app\/decorators\/user_decorator.rb\r\n      invoke      test_unit\r\n      create        test\/decorators\/user_decorator_test.rb<\/pre>\n
Decorator\u3089\u3057\u3044\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3068\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u306d\u3002<\/p>\n
\uff082\uff09\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u30921\u884c\u305a\u3064\u9806\u756a\u306b\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n
bin\/rails db:migrate\r\nbin\/rails console<\/pre>\n
\uff083\uff09\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n
User.create(name:\"\u5c71\u7530\u592a\u90ce\")\r\nUser.create(name:\"\u9577\u702c\u6765\")\r\nUser.create(name:\"\u7acb\u5ddd\u88d5\u7f8e\")\r\nUser.create(name:\"\u524d\u7530\u9054\u90ce\")\r\nUser.create(name:\"\u7d30\u5ddd\u4fee\u4e8c\")\r\nUser.create(name:\"\u6728\u6751\u62d3\u78e8\")\r\nexit<\/pre>\n
\uff084\uff09app\/views\/users\/index.html.erb<\/strong><\/span>\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n
\u5909\u66f4\u524d\uff1a<\/p>\n
<%= notice %><\/p>\r\n\r\n
Users<\/h1>\r\n\r\n\r\n  \r\n    \r\n      \r\n    <% @users.each do |user| %>\r\n      \r\n        
Name<\/th>\r\n      <\/th>\r\n    <\/tr>\r\n  <\/thead>\r\n\r\n  
<%= user.name %><\/td>\r\n        <%= link_to 'Show', user %><\/td>\r\n        <%= link_to 'Edit', edit_user_path(user) %><\/td>\r\n        <%= link_to 'Destroy', user, method: :delete, data: { confirm: 'Are you sure?' } %><\/td>\r\n      <\/tr>\r\n    <% end %>\r\n  <\/tbody>\r\n<\/table>\r\n\r\n
\r\n\r\n<%= link_to 'New User', new_user_path %><\/pre>\n
\u5909\u66f4\u5f8c\uff1a<\/p>\n
<%= notice %><\/p>\r\n\r\n
Users<\/h1>\r\n\r\n\r\n  \r\n    \r\n      \r\n    <% @users.each do |user| %>\r\n      \r\n        
Name<\/th>\r\n      Created at<\/th>\r\n      <\/th>\r\n    <\/tr>\r\n  <\/thead>\r\n\r\n  
<%= user.name %><\/td>\r\n        <%= user.created_at %><\/td>\r\n        <%= link_to 'Show', user %><\/td>\r\n        <%= link_to 'Edit', edit_user_path(user) %><\/td>\r\n        <%= link_to 'Destroy', user, method: :delete, data: { confirm: 'Are you sure?' } %><\/td>\r\n      <\/tr>\r\n    <% end %>\r\n  <\/tbody>\r\n<\/table>\r\n\r\n
\r\n\r\n<%= link_to 'New User', new_user_path %><\/pre>\n
\uff085\uff09app\/views\/users\/show.html.erb<\/strong><\/span>\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n
\u300cCreated at\u300d\u3092\u8868\u793a\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u5909\u66f4\u524d\uff1a<\/p>\n
<%= notice %><\/p>\r\n\r\n
\r\n  Name:<\/strong>\r\n  <%= @user.name %>\r\n<\/p>\r\n\r\n<%= link_to 'Edit', edit_user_path(@user) %> |\r\n<%= link_to 'Back', users_path %><\/pre>\n
\u5909\u66f4\u5f8c\uff1a<\/p>\n
<%= notice %><\/p>\r\n\r\n
\r\n  Name:<\/strong>\r\n  <%= @user.name %>\r\n<\/p>\r\n
\r\n  Created at:<\/strong>\r\n  <%= @user.created_at %>\r\n<\/p>\r\n\r\n<%= link_to 'Edit', edit_user_path(@user) %> |\r\n<%= link_to 'Back', users_path %><\/pre>\n
\uff086\uff09\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n
bin\/rails server<\/pre>\n
User\u306e\u4e00\u89a7\u3092\u30d6\u30e9\u30a6\u30b6\u3067\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\uff085\uff09\u30d6\u30e9\u30a6\u30b6\u3067\u300chttp:\/\/localhost:3000\/users\u300d<\/strong><\/span>\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/p>\n
\"\"<\/p>\n
\u300cCreated at\u300d\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u306d\u3002<\/p>\n
\u3053\u3053\u3067\u3044\u305a\u308c\u304b\u306e\u300cshow\u300d\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u3084\u306f\u308a\u300cCreated at\u300d\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u3053\u3053\u304b\u3089\u306f\u300cCreated at\u300d\u306e\u8868\u793a\u3092\u300c2018\/7\/13\u300d\u306b\u5909\u66f4\u3059\u308b\u305f\u3081\u306b\u3001Decorator\u3092\u4f5c\u308a\u307e\u3059\u3002<\/p>\n
Controller\u3092\u5909\u66f4\u3059\u308b<\/h3>\n
\u307e\u305a\u306f\u3001Controller\u304b\u3089View\u306b\u5bfe\u3057\u3066\u3001\u901a\u5e38\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6e21\u3059\u4ee3\u308f\u308a\u306b\u3001Decorator\u4ed8\u304d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6e21\u3059\u3088\u3046\u306b\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n
\uff081\uff09app\/controllers\/users_controller.rb<\/strong><\/span>\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n
\u5909\u66f4\u524d\uff1a<\/p>\n
class UsersController < ApplicationController\r\n  before_action :set_user, only: [:show, :edit, :update, :destroy]\r\n\r\n  # GET \/users\r\n  # GET \/users.json\r\n  def index\r\n    @users = User.all\r\n  end\r\n\r\n  # GET \/users\/1\r\n  # GET \/users\/1.json\r\n  def show\r\n  end\r\n\uff08\u7701\u7565\uff09<\/pre>\n
\u5909\u66f4\u5f8c\uff1a<\/p>\n
class UsersController < ApplicationController\r\n  before_action :set_user, only: [:show, :edit, :update, :destroy]\r\n\r\n  # GET \/users\r\n  # GET \/users.json\r\n  def index\r\n    @users = UserDecorator.decorate_collection(User.all)\r\n  end\r\n\r\n  # GET \/users\/1\r\n  # GET \/users\/1.json\r\n  def show\r\n    @user = User.find(params[:id]).decorate\r\n  end\r\n\uff08\u7701\u7565\uff09<\/pre>\n
\u300chttp:\/\/localhost:3000\/users\u300d\u3084\u300chttp:\/\/localhost:3000\/users\/1\u300d\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u3068\u304d\u306b\u3001Decorator\u3067\u6a5f\u80fd\u3092\u8ffd\u52a0\u3057\u305f\uff08\u8ffd\u52a0\u3059\u308b\u4e88\u5b9a\u306e\uff09@users\u307e\u305f\u306f@user\u3092\u53d6\u5f97\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u5148\u307b\u3069\u3068\u540c\u3058URL\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\uff082\uff09\u30d6\u30e9\u30a6\u30b6\u3067\u300chttp:\/\/localhost:3000\/users\u300d\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/p>\n
\"\"<\/p>\n
\u4f55\u3082\u5909\u308f\u3063\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u7121\u99c4\u306a\u3053\u3068\u3092\u3057\u305f\u306e\u304b!?\u3068\u601d\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u305d\u3046\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u3053\u3053\u3067\u306f\u3001@users\u3092Decorator\u3067\u6a5f\u80fd\u3092\u8ffd\u52a0\u3057\u305f\uff08\u8ffd\u52a0\u3059\u308b\u4e88\u5b9a\u306e\uff09\u30c7\u30fc\u30bf\u306b\u5dee\u3057\u66ff\u3048\u305f\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u4f55\u3082\u5909\u308f\u3089\u305a\u306bWeb\u30a2\u30d7\u30ea\u304c\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3053\u3068<\/strong><\/span>\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n
Decorator\u3092\u5909\u66f4\u3059\u308b<\/h3>\n
\u6b21\u306b\u3001Decorator\uff08app\/decorators\/user_decorator.rb\uff09\u3092\u5909\u66f4\u3057\u3066\u3001def created_at\u3092\u5b9a\u7fa9\u3057\u3001\u6a5f\u80fd\u3092\u5909\u66f4\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u3053\u306e\u3088\u3046\u306b\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u3068\u540c\u3058\u540d\u524d\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b\u3068\u3001View\u3084Model\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306a\u304f\u3001Decorator\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n
\uff081\uff09app\/decorators\/user_decorator.rb<\/strong><\/span>\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n
\u5909\u66f4\u524d\uff1a<\/p>\n
class UserDecorator < Draper::Decorator\r\n  delegate_all\r\n\r\n  # Define presentation-specific methods here. Helpers are accessed through\r\n  # `helpers` (aka `h`). You can override attributes, for example:\r\n  #\r\n  #   def created_at\r\n  #     helpers.content_tag :span, class: 'time' do\r\n  #       object.created_at.strftime(\"%a %m\/%d\/%y\")\r\n  #     end\r\n  #   end\r\n\r\nend<\/pre>\n
\u5909\u66f4\u5f8c\uff1a<\/p>\n
class UserDecorator < Draper::Decorator\r\n  delegate_all\r\n\r\n  # Define presentation-specific methods here. Helpers are accessed through\r\n  # `helpers` (aka `h`). You can override attributes, for example:\r\n  #\r\n  #   def created_at\r\n  #     helpers.content_tag :span, class: 'time' do\r\n  #       object.created_at.strftime(\"%a %m\/%d\/%y\")\r\n  #     end\r\n  #   end\r\n\r\n  def created_at\r\n    object.created_at.strftime(\"%Y\/%-m\/%-d\")\r\n  end\r\nend<\/pre>\n
\uff082\uff09\u30d6\u30e9\u30a6\u30b6\u3067\u300chttp:\/\/localhost:3000\/users\u300d<\/strong><\/span>\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/p>\n
\"\"<\/p>\n
Decorator\u306edef created_at\u304c\u547c\u3073\u51fa\u3055\u308c\u3001\u65e5\u4ed8\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u5909\u308f\u3063\u3066\u3044\u307e\u3059\u306d\u3002<\/p>\n
\uff083\uff09\u300c\u5c71\u7530\u592a\u90ce\u300d\u306e\u300cshow\u300d<\/strong><\/span>\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001http:\/\/localhost:3000\/users\/1\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/p>\n
\"\"<\/p>\n
\u3053\u3061\u3089\u3067\u3082Decorator\u306edef created_at\u304c\u547c\u3073\u51fa\u3055\u308c\u3001\u65e5\u4ed8\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u5909\u308f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
Model\u3068View\u3092\u5909\u66f4\u3057\u306a\u3044<\/h3>\n
\u3053\u3053\u307e\u3067\u3001Controller<\/strong><\/span>\u3068Decorator<\/strong><\/span>\u3092\u5909\u66f4\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n
\u4e00\u65b9\u3001Model\u3068View\u306f\u5909\u66f4\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/strong><\/span><\/p>\n
\u305d\u308c\u3067\u3082\u3001\u8868\u793a\u3092\u5909\u66f4\u3067\u304d\u305f\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u521d\u3081\u306b\u8a71\u984c\u306b\u3057\u305fModel\u3068View\u306e\u3069\u3063\u3061\u306b\u66f8\u304f\u306e\u554f\u984c<\/strong><\/span>\u306f\u3001\u3069\u3063\u3061\u306b\u3082\u66f8\u304b\u306a\u3044\uff08Decorator\u306b\u66f8\u304f\uff09<\/strong><\/span>\u3068\u3044\u3046\u7d50\u8ad6\u306b\u81f3\u3063\u305f\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\u307e\u3068\u3081<\/h2>\n
\u4eca\u56de\u306f\u3001Draper<\/strong><\/span>\u306b\u3088\u308bDecorator\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u7c21\u5358\u306b\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<\/p>\n
Decorator\u3092\u4f7f\u3046\u3082\u3063\u3068\u3082\u5927\u304d\u306a\u30e1\u30ea\u30c3\u30c8\u306f\u3001Model\u3092\u5909\u66f4\u3057\u306a\u304f\u3066\u3082\u3001View\u3092\u5909\u66f4\u3057\u306a\u304f\u3066\u3082\u3001\u8868\u793a\u3092\u5909\u66f4\u3067\u304d\u308b<\/strong><\/span>\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<\/p>\n
\u4eca\u56de\u306e\u3088\u3046\u306bcreated_at\u3068\u3044\u3046\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u3068\u540c\u3058\u540d\u524d\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b<\/strong><\/span>\u306e\u3082\u30dd\u30a4\u30f3\u30c8\u3067\u3057\u305f\u3002<\/p>\n
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