{"id":1386,"date":"2020-07-23T08:53:05","date_gmt":"2020-07-22T23:53:05","guid":{"rendered":"http:\/\/168.138.214.208\/?p=1386"},"modified":"2020-07-23T08:53:05","modified_gmt":"2020-07-22T23:53:05","slug":"post-1386","status":"publish","type":"post","link":"https:\/\/nobunobu1717.site\/?p=1386","title":{"rendered":"Ruby on Rails6\u3067ActiveRecord\u3092json\u306b\u51fa\u529b\u3059\u308b\u6642\u306e\u30e1\u30e2(\u95a2\u4fc2\u30e2\u30c7\u30eb\u3082\u51fa\u529b\u53ef\u80fd)"},"content":{"rendered":"<h1>\u6982\u8981<\/h1>\n<p>Ruby on Rail6\u306b\u304a\u3044\u3066REST-API\u7b49\u3067ActiveRecord\u306e\u30c7\u30fc\u30bf\u3092json\u306b\u51fa\u529b\u3059\u308b\u6642\u306e\u30e1\u30e2\u3002<\/p>\n<h2>\u65b9\u6cd5<\/h2>\n<p>to_json\u30e1\u30bd\u30c3\u30c9\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u305d\u3061\u3089\u3092\u4f7f\u7528\u3059\u308b\u3002<\/p>\n<h3>\u57fa\u672c\u5f62<\/h3>\n<p>Article\u30e2\u30c7\u30eb\u306e\u5168\u4ef6\u3092json\u3068\u3057\u3066\u51fa\u529b\u3059\u308b\u4f8b<\/p>\n<pre class=\"lang:default decode:true \" >\r\nArticle.all.to_json\r\n\r\n-> \r\n{\r\n { \"id\":1, \"title\":\"xx\", .... },\r\n ....\r\n}\r\n<\/pre>\n<h3>\u7279\u5b9a\u306e\u30ab\u30e9\u30e0\u306e\u307f\u51fa\u529b\u3057\u305f\u3044\u5834\u5408<\/h3>\n<p>only\u3067\u30ab\u30e9\u30e0\u540d\u3092\u6307\u5b9a\u3059\u308b\u4e8b\u3067\u3001\u7279\u5b9a\u306e\u30ab\u30e9\u30e0\u3060\u3051\u3092\u51fa\u529b\u53ef\u80fd\u3002<\/p>\n<pre class=\"lang:default decode:true \" >\r\nArticle.all.to_json(only: [:title, :sub_title])\r\n\r\n-> \r\n{\r\n { \"title\":\"xx\", \"sub_title\":\"xxxx\" },\r\n ....\r\n}\r\n<\/pre>\n<p>only\u306e\u53cd\u5bfe\u3067except\u3067\u9664\u5916\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3002<\/p>\n<pre class=\"lang:default decode:true \" >\r\nArticle.all.to_json(except: [:sub_title])\r\n\r\n-> \r\n{\r\n { \"id\":\"xx\", \"sub_title\":\"xxxx\", .... },\r\n ....\r\n}\r\n<\/pre>\n<h3>\u30e1\u30bd\u30c3\u30c9<\/h3>\n<p>methods\u3092\u4f7f\u7528\u3059\u308b\u4e8b\u3067\u3001<br \/>\n\u30ab\u30e9\u30e0\u306e\u5024\u3092\u52a0\u5de5\u3057\u305f\u5024\u3092\u51fa\u529b\u3057\u305f\u3044\u5834\u5408\u306a\u3069\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u623b\u308a\u5024\u3082\u51fa\u529b\u53ef\u80fd\u3002<\/p>\n<pre class=\"lang:default decode:true \" >\r\nArticle.all.to_json(methods: :title_image_compressed_url)\r\n\r\n-> \r\n{\r\n { \"id\":1, \"title\":\"xx\", ... , \"title_image_compressed_url\": \"xxxxx\"  },\r\n ....\r\n}\r\n<\/pre>\n<h3>\u7279\u95a2\u9023\u30e2\u30c7\u30eb<\/h3>\n<p>\u95a2\u9023\u30e2\u30c7\u30eb\u3082include\u3067\u51fa\u529b\u53ef\u80fd\u3002<br \/>\n1:n\u306e\u30e2\u30c7\u30eb\u3068\u3057\u3066areas\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u5834\u5408<\/p>\n<pre class=\"lang:default decode:true \" >\r\nArticle.all.to_json(include: [:areas])\r\n\r\n-> \r\n{\r\n { \"id\":1, \"title\":\"xx\", ... , \"areas\": [{ id:1, name:\"area1\" },{...}]  },\r\n ....\r\n}\r\n<\/pre>\n<p>\u95a2\u9023\u30e2\u30c7\u30eb\u5185\u306e\u7279\u5b9a\u306e\u30ab\u30e9\u30e0\u306e\u6307\u5b9a\u3082\u53ef\u80fd\u3002<\/p>\n<pre class=\"lang:default decode:true \" >\r\nArticle.all.to_json(include: [{ areas: { only: [:id] } }])\r\n\r\n-> {\r\n { \"id\":1, \"title\":\"xx\", ... , \"areas\": [{ id:1 },{...}]  },\r\n ....\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 Ruby on Rail6\u306b\u304a\u3044\u3066REST-API\u7b49\u3067ActiveRecord\u306e\u30c7\u30fc\u30bf\u3092json\u306b\u51fa\u529b\u3059\u308b\u6642\u306e\u30e1\u30e2\u3002 \u65b9\u6cd5 to_json\u30e1\u30bd\u30c3\u30c9\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u305d\u3061\u3089\u3092\u4f7f\u7528\u3059\u308b\u3002 \u57fa\u672c\u5f62  &#8230; <\/p>\n","protected":false},"author":1,"featured_media":1278,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[32],"tags":[],"_links":{"self":[{"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=\/wp\/v2\/posts\/1386"}],"collection":[{"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1386"}],"version-history":[{"count":4,"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=\/wp\/v2\/posts\/1386\/revisions"}],"predecessor-version":[{"id":1390,"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=\/wp\/v2\/posts\/1386\/revisions\/1390"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=\/wp\/v2\/media\/1278"}],"wp:attachment":[{"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1386"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1386"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nobunobu1717.site\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1386"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}