Ruby on Rails\u306erender\u30e1\u30bd\u30c3\u30c9\u306f\u3001Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306e\u8981\u3068\u306a\u308b\u6a5f\u80fd\u3067\u3059\u3002
\u672c\u8a18\u4e8b\u3067\u306f\u3001render\u30e1\u30bd\u30c3\u30c9\u306e\u57fa\u672c\u304b\u3089\u6700\u65b0\u306e\u30c6\u30af\u30cb\u30c3\u30af\u307e\u3067\u3001\u5305\u62ec\u7684\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002
\u521d\u5fc3\u8005\u304b\u3089\u4e2d\u7d1a\u8005\u307e\u3067\u3001Rails\u958b\u767a\u8005\u306e\u30b9\u30ad\u30eb\u30a2\u30c3\u30d7\u306b\u6b20\u304b\u305b\u306a\u3044\u60c5\u5831\u304c\u6e80\u8f09\u3067\u3059\u3002<\/p>\n\n\n\n
\u76ee\u6b21 <\/p>\n
Ruby on Rails\u306e\u4e16\u754c\u3078\u3088\u3046\u3053\u305d\uff01\u4eca\u65e5\u306f\u3001Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306e\u8981\u3068\u306a\u308b\u300crender\u300d\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u6df1\u6398\u308a\u3057\u3066\u3044\u304d\u307e\u3059\u3002
\u300cruby on rails render\u300d\u3068\u3044\u3046\u8a00\u8449\u3092\u805e\u3044\u305f\u3053\u3068\u304c\u3042\u308b\u65b9\u3082\u591a\u3044\u3067\u3057\u3087\u3046\u3002
\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u4e00\u898b\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u304c\u3001\u305d\u306e\u5965\u6df1\u3055\u3068\u91cd\u8981\u6027\u306f\u8a08\u308a\u77e5\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
render\u30e1\u30bd\u30c3\u30c9\u306f\u3001Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u30d3\u30e5\u30fc\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306e\u57fa\u672c\u7684\u306a\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002
\u3057\u304b\u3057\u3001\u300c\u57fa\u672c\u7684\u300d\u3068\u3044\u3046\u3060\u3051\u3067\u4fae\u3063\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002
\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3001Rails\u306e\u5fc3\u81d3\u90e8\u3068\u3082\u8a00\u3048\u308bMVC\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306eView\u90e8\u5206\u3092\u62c5\u5f53\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u69cb\u7bc9\u306b\u4e0d\u53ef\u6b20\u306a\u5b58\u5728\u306a\u306e\u3067\u3059\u3002
\u3055\u3089\u306b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u305f\u3081\u3001\u9069\u5207\u306b\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n
Rails\u958b\u767a\u306b\u304a\u3044\u3066\u3001render\u30e1\u30bd\u30c3\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u308c\u3089\u306e\u7279\u6027\u306b\u3088\u308a\u3001render\u30e1\u30bd\u30c3\u30c9\u306fRails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u67d4\u8edf\u6027\u3068\u62e1\u5f35\u6027\u3092\u652f\u3048\u308b\u91cd\u8981\u306a\u8981\u7d20\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u672c\u8a18\u4e8b\u3067\u306f\u3001render\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u3001\u521d\u5fc3\u8005\u306e\u65b9\u304b\u3089\u4e2d\u7d1a\u8005\u306e\u65b9\u307e\u3067\u3001\u5e45\u5e83\u3044\u5c64\u306e\u958b\u767a\u8005\u306b\u5f79\u7acb\u3064\u60c5\u5831\u3092\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002
\u5177\u4f53\u7684\u306b\u306f\u4ee5\u4e0b\u306e\u5185\u5bb9\u3092\u30ab\u30d0\u30fc\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u307f\u7d42\u3048\u305f\u5f8c\u306b\u306f\u3001\u3042\u306a\u305f\u3082render\u30e1\u30bd\u30c3\u30c9\u306e\u30de\u30b9\u30bf\u30fc\u3078\u306e\u9053\u3092\u6b69\u307f\u59cb\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002
\u3055\u3042\u3001\u4e00\u7dd2\u306bRails\u306e\u4e16\u754c\u3092\u3088\u308a\u6df1\u304f\u63a2\u6c42\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n
Ruby on Rails\u306b\u304a\u3051\u308brender\u30e1\u30bd\u30c3\u30c9\u306fAPI\u306e\u4e00\u90e8\u3067\u3001\u30d3\u30e5\u30fc\u306e\u751f\u6210\u65b9\u6cd5\u3092\u5236\u5fa1\u3059\u308b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002
\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001render\u30e1\u30bd\u30c3\u30c9\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u3001\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u3001\u305d\u3057\u3066render\u3068redirect_to\u306e\u9055\u3044\u307e\u3067\u3092\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
render\u30e1\u30bd\u30c3\u30c9\u306e\u6700\u3082\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
render :action_name<\/pre>\n\n\n\n\u3053\u306e1\u884c\u3067\u3001\u6307\u5b9a\u3057\u305f\u30a2\u30af\u30b7\u30e7\u30f3\u540d\u306b\u5bfe\u5fdc\u3059\u308b\u30d3\u30e5\u30fc\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u307e\u3059\u3002
\u3057\u304b\u3057\u3001render\u30e1\u30bd\u30c3\u30c9\u306e\u771f\u306e\u529b\u306f\u305d\u306e\u67d4\u8edf\u6027\u306b\u3042\u308a\u307e\u3059\u3002
HTML\u3060\u3051\u3067\u306a\u304f\u3001JSON\u3001XML\u3001JS\u3001\u30d7\u30ec\u30fc\u30f3\u30c6\u30ad\u30b9\u30c8\u306a\u3069\u3001\u69d8\u3005\u306a\u5f62\u5f0f\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n\u4f8b\u3048\u3070\u3001JSON\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u8fd4\u3057\u305f\u3044\u5834\u5408\u306f\u6b21\u306e\u3088\u3046\u306b\u66f8\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
render json: @user\n# @user\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304cJSON\u3068\u3057\u3066\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b<\/pre>\n\n\n\n\u307e\u305f\u3001render\u30e1\u30bd\u30c3\u30c9\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u4fbf\u5229\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
layout<\/code>: \u4f7f\u7528\u3059\u308b\u30ec\u30a4\u30a2\u30a6\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u5b9a<\/li>\n\n\n\nstatus<\/code>: HTTP\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a<\/li>\n\n\n\ncontent_type<\/code>: \u30ec\u30b9\u30dd\u30f3\u30b9\u306eContent-Type\u3092\u6307\u5b9a<\/li>\n\n\n\nlocation<\/code>: \u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u5148\u306eURL\u3092\u8a2d\u5b9a<\/li>\n<\/ul>\n\n\n\n\u3088\u304f\u4f7f\u7528\u3055\u308c\u308brender\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u305d\u306e\u52b9\u679c<\/h3>\n\n\n\n
render\u30e1\u30bd\u30c3\u30c9\u306b\u306f\u591a\u304f\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u7279\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u3082\u306e\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
:plain<\/code><\/h4>\n\n\n\n\u30d7\u30ec\u30fc\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
render plain: \"Hello, World!\"<\/pre>\n\n\n\n:json<\/code><\/h4>\n\n\n\nJSON\u30c7\u30fc\u30bf\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
API\u306e\u5b9f\u88c5\u6642\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
render json: { name: \"John\", age: 30 }<\/pre>\n\n\n\n:file<\/code><\/h4>\n\n\n\n\u7279\u5b9a\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
render file: \"#{Rails.root}\/public\/404.html\", layout: false<\/pre>\n\n\n\n:template<\/code><\/h4>\n\n\n\n\u7279\u5b9a\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
render template: \"users\/show\"<\/pre>\n\n\n\n:partial<\/code><\/h4>\n\n\n\n\u90e8\u5206\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u518d\u5229\u7528\u53ef\u80fd\u306a\u30d3\u30e5\u30fc\u306e\u90e8\u54c1\u3092\u4f5c\u308b\u969b\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n
render partial: \"form\", locals: { user: @user }<\/pre>\n\n\n\nrender\u3068redirect_to\u306e\u9055\u3044\u3068\u4f7f\u3044\u5206\u3051<\/h3>\n\n\n\n
render\u3068redirect_to\u306f\u3001\u4e00\u898b\u4f3c\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u305d\u306e\u6319\u52d5\u306f\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\nrender<\/code>: \u540c\u3058\u30ea\u30af\u30a8\u30b9\u30c8\u5185\u3067\u30d3\u30e5\u30fc\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u5b8c\u4e86\u3059\u308b\u524d\u306b\u30d3\u30e5\u30fc\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\nredirect_to<\/code>: \u65b0\u3057\u3044\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u767a\u751f\u3055\u305b\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u306b\u65b0\u3057\u3044URL\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3088\u3046\u6307\u793a\u3057\u3001\u305d\u306eURL\u306b\u5bfe\u3059\u308b\u65b0\u3057\u3044\u30ea\u30af\u30a8\u30b9\u30c8\/\u30ec\u30b9\u30dd\u30f3\u30b9\u30b5\u30a4\u30af\u30eb\u304c\u59cb\u307e\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n\u4f7f\u3044\u5206\u3051\u306e\u57fa\u672c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
\n- \u30c7\u30fc\u30bf\u3092\u8868\u793a\u3059\u308b\u5834\u5408\u306f
render<\/code> \u3092\u4f7f\u7528<\/li>\n\n\n\n- \u30da\u30fc\u30b8\u9077\u79fb\u3092\u884c\u3046\u5834\u5408\u306f
redirect_to<\/code> \u3092\u4f7f\u7528<\/li>\n<\/ul>\n\n\n\n\u4f8b\u3048\u3070\u3001\u30e6\u30fc\u30b6\u30fc\u767b\u9332\u30d5\u30a9\u30fc\u30e0\u306e\u51e6\u7406\u3067\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
def create\n @user = User.new(user_params)\n if @user.save\n redirect_to @user, notice: '\u30e6\u30fc\u30b6\u30fc\u304c\u6b63\u5e38\u306b\u4f5c\u6210\u3055\u308c\u307e\u3057\u305f\u3002'\n else\n render :new\n end\nend<\/pre>\n\n\n\n\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u4f5c\u6210\u306b\u6210\u529f\u3057\u305f\u5834\u5408\u306f\u65b0\u3057\u3044\u30da\u30fc\u30b8\uff08\u30e6\u30fc\u30b6\u30fc\u8a73\u7d30\u30da\u30fc\u30b8\uff09\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u3001\u5931\u6557\u3057\u305f\u5834\u5408\u306f\u540c\u3058\u30d5\u30a9\u30fc\u30e0\u3092\u518d\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
Ruby on Rails\u306erender\u30e1\u30bd\u30c3\u30c9\u306fWeb\u958b\u767a\u306e\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002
\u57fa\u672c\u3092\u62bc\u3055\u3048\u3001\u9069\u5207\u306b\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u3067\u67d4\u8edf\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002
\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3055\u3089\u306b\u9ad8\u5ea6\u306arender\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
3. render\u30e1\u30bd\u30c3\u30c9\u306e\u5fdc\u7528\uff1a\u4e2d\u7d1a\u8005\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/h2>\n\n\n\n
Ruby on Rails\u306erender\u30e1\u30bd\u30c3\u30c9\u3092\u57fa\u672c\u7684\u306b\u4f7f\u3044\u3053\u306a\u305b\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3089\u3001\u6b21\u306f\u5fdc\u7528\u30c6\u30af\u30cb\u30c3\u30af\u3092\u5b66\u3076\u6642\u3067\u3059\u3002
\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u4e2d\u7d1a\u8005\u5411\u3051\u306erender\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002
\u3053\u308c\u3089\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7fd2\u5f97\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u52b9\u7387\u7684\u3067\u67d4\u8edf\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u90e8\u5206\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u305f\u52b9\u7387\u7684\u306a\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0<\/h3>\n\n\n\n
\u90e8\u5206\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\uff08\u30d1\u30fc\u30b7\u30e3\u30eb\uff09\u306f\u3001\u518d\u5229\u7528\u53ef\u80fd\u306a\u30d3\u30e5\u30fc\u306e\u65ad\u7247\u3067\u3059\u3002\u30d8\u30c3\u30c0\u30fc\u3001\u30d5\u30c3\u30bf\u30fc\u3001\u30b5\u30a4\u30c9\u30d0\u30fc\u3001\u30d5\u30a9\u30fc\u30e0\u306a\u3069\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5185\u3067\u7e70\u308a\u8fd4\u3057\u4f7f\u7528\u3055\u308c\u308b\u8981\u7d20\u306b\u7279\u306b\u6709\u52b9\u3067\u3059\u3002<\/p>\n\n\n\n
\u90e8\u5206\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u4ee5\u4e0b\u306e\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\n- \u30b3\u30fc\u30c9\u306e\u91cd\u8907\u3092\u6e1b\u3089\u3059<\/li>\n\n\n\n
- \u4fdd\u5b88\u6027\u306e\u5411\u4e0a<\/li>\n\n\n\n
- \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u901f\u5ea6\u306e\u5411\u4e0a<\/li>\n<\/ol>\n\n\n\n
\u4ee5\u4e0b\u306f\u90e8\u5206\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u4f7f\u7528\u3059\u308b\u57fa\u672c\u7684\u306a\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n
# app\/views\/users\/index.html.erb\n<h1>\u30e6\u30fc\u30b6\u30fc\u4e00\u89a7<\/h1>\n<%= render partial: \"user\", collection: @users %>\n\n# app\/views\/users\/_user.html.erb\n<div class=\"user\">\n <h2><%= user.name %><\/h2>\n <p>Email: <%= user.email %><\/p>\n<\/div><\/pre>\n\n\n\n\u3053\u306e\u4f8b\u3067\u306f\u3001_user.html.erb<\/code>\u3068\u3044\u3046\u90e8\u5206\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u4f5c\u6210\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u4e00\u89a7\u30da\u30fc\u30b8\u3067\u305d\u308c\u3092\u7e70\u308a\u8fd4\u3057\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002
\u3053\u308c\u306b\u3088\u308a\u3001\u30b3\u30fc\u30c9\u306e\u91cd\u8907\u3092\u907f\u3051\u3064\u3064\u3001\u5404\u30e6\u30fc\u30b6\u30fc\u306e\u60c5\u5831\u3092\u52b9\u7387\u7684\u306b\u8868\u793a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\nJSON\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n
API\u3092\u958b\u767a\u3059\u308b\u969b\u3001JSON\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u6700\u9069\u5316\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002
\u4ee5\u4e0b\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u901f\u5ea6\u306e\u5411\u4e0a\u3001\u5e2f\u57df\u5e45\u306e\u7bc0\u7d04\u3001API\u306e\u67d4\u8edf\u6027\u5411\u4e0a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002
\u306f\u3044\u3001JSON\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3064\u3044\u3066\u7d9a\u3051\u307e\u3059\u3002<\/p>\n\n\n\n
jbuilder\u306e\u4f7f\u7528<\/h4>\n\n\n\n
jbuilder\u306fRails\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308bJSON\u30d3\u30eb\u30c0\u30fc\u3067\u3001\u8907\u96d1\u306aJSON\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u7c21\u5358\u306b\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
# app\/views\/users\/show.json.jbuilder\njson.extract! @user, :id, :name, :email\njson.posts @user.posts do |post|\n json.extract! post, :id, :title\nend<\/pre>\n\n\n\nas_json\u30e1\u30bd\u30c3\u30c9\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/h4>\n\n\n\n
\u30e2\u30c7\u30eb\u306eas_json<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3059\u308b\u3053\u3068\u3067\u3001JSON\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\nclass User < ApplicationRecord\n def as_json(options = {})\n super(options.merge(only: [:id, :name, :email], include: :posts))\n end\nend<\/pre>\n\n\n\n\u5fc5\u8981\u306a\u5c5e\u6027\u306e\u307f\u3092\u9078\u629e<\/h4>\n\n\n\n
select<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u5fc5\u8981\u306a\u5c5e\u6027\u306e\u307f\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u53d6\u5f97\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n@users = User.select(:id, :name, :email).all\nrender json: @users<\/pre>\n\n\n\nN+1\u30af\u30a8\u30ea\u554f\u984c\u306e\u56de\u907f<\/h4>\n\n\n\n
includes<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30af\u30a8\u30ea\u3092\u6700\u9069\u5316\u3057\u3001N+1\u554f\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n@users = User.includes(:posts).all\nrender json: @users, include: :posts<\/pre>\n\n\n\n\u3053\u308c\u3089\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u3067\u9ad8\u901f\u306aJSON\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u6761\u4ef6\u4ed8\u304d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3067\u67d4\u8edf\u306a\u8868\u793a\u5236\u5fa1<\/h3>\n\n\n\n
\u6761\u4ef6\u4ed8\u304d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306f\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u7570\u306a\u308b\u30d3\u30e5\u30fc\u3084\u5185\u5bb9\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u6280\u8853\u3067\u3059\u3002
\u3053\u308c\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u6a29\u9650\u306b\u5fdc\u3058\u305f\u8868\u793a\u3084\u30c7\u30d0\u30a4\u30b9\u30bf\u30a4\u30d7\u306b\u5fdc\u3058\u305f\u30ec\u30a4\u30a2\u30a6\u30c8\u3001A\/B\u30c6\u30b9\u30c8\u306a\u3069\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
if\u6587\u306b\u3088\u308b\u5206\u5c90<\/h4>\n\n\n\ndef show\n @user = User.find(params[:id])\n if @user.admin?\n render :admin_view\n else\n render :user_view\n end\nend<\/pre>\n\n\n\n\u4e09\u9805\u6f14\u7b97\u5b50\u306e\u4f7f\u7528<\/h4>\n\n\n\n<%= render @user.admin? ? 'admin_dashboard' : 'user_dashboard' %><\/pre>\n\n\n\ncontent_for\u30d8\u30eb\u30d1\u30fc\u306e\u6d3b\u7528<\/h4>\n\n\n\n<% content_for :sidebar do %>\n <%= render current_user.admin? ? 'admin_sidebar' : 'user_sidebar' %>\n<% end %><\/pre>\n\n\n\n\u3053\u308c\u3089\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u52d5\u7684\u3067\u67d4\u8edf\u306a\u30d3\u30e5\u30fc\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3059\u308b\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
render<\/code>\u5b9f\u88c5\u6642\u306b\u6c17\u3092\u3064\u3051\u308b\u3079\u304d3\u3064\u306e\u30dd\u30a4\u30f3\u30c8<\/div>\n\n- \u4e0d\u5fc5\u8981\u306a\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u907f\u3051\u308b<\/strong>\uff1a\u6761\u4ef6\u5206\u5c90\u3092\u9069\u5207\u306b\u884c\u3044\u3001\u5fc5\u8981\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u307f\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002<\/li>\n\n\n\n
- \u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6d3b\u7528<\/strong>\uff1a\u983b\u7e41\u306b\u5909\u66f4\u3055\u308c\u306a\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u7528\u3057\u3066\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/li>\n\n\n\n
- \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30af\u30a8\u30ea\u306e\u6700\u9069\u5316<\/strong>\uff1a\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u30c7\u30fc\u30bf\u306e\u307f\u3092\u53d6\u5f97\u3057\u3001N+1\u554f\u984c\u3092\u56de\u907f\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n\n
Ruby on Rails\u306erender\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u3053\u308c\u3089\u306e\u5fdc\u7528\u30c6\u30af\u30cb\u30c3\u30af\u3092\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u3067\u3001\u3088\u308a\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3068\u306a\u308a\u307e\u3059\u3002
\u90e8\u5206\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3001JSON\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u6700\u9069\u5316\u3001\u6761\u4ef6\u4ed8\u304d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u3067\u67d4\u8edf\u6027\u306e\u9ad8\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3067\u304d\u307e\u3059\u3002
\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3055\u3089\u306b\u9032\u3093\u3060\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3064\u3044\u3066\u63a2\u3063\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
4. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\uff1arender\u30e1\u30bd\u30c3\u30c9\u3067\u5b9f\u73fe\u3059\u308b\u9ad8\u901f\u53167\u3064\u306e\u79d8\u8a23<\/h2>\n\n\n\n
Ruby on Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306e\u5411\u4e0a\u3001\u30b5\u30fc\u30d0\u30fc\u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u7684\u5229\u7528\u3001\u305d\u3057\u3066SEO\u306e\u6539\u5584\u306b\u3064\u306a\u304c\u308b\u91cd\u8981\u306a\u8ab2\u984c\u3067\u3059\u3002
\u7279\u306brender\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30d3\u30e5\u30fc\u306e\u751f\u6210\u306b\u76f4\u63a5\u95a2\u308f\u308b\u305f\u3081\u3001\u3053\u3053\u3067\u306e\u6700\u9069\u5316\u306f\u5927\u304d\u306a\u52b9\u679c\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002
\u672c\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001render\u30e1\u30bd\u30c3\u30c9\u3092\u4e2d\u5fc3\u3068\u3057\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e7\u3064\u306e\u79d8\u8a23\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
1. N+1\u30af\u30a8\u30ea\u554f\u984c\u306e\u89e3\u6c7a\u3068eager loading<\/h3>\n\n\n\n
N+1\u30af\u30a8\u30ea\u554f\u984c\u306f\u3001\u95a2\u9023\u3059\u308b\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u969b\u306b\u767a\u751f\u3059\u308b\u975e\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a2\u30af\u30bb\u30b9\u306e\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002
\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u56de\u6570\u3092\u5927\u5e45\u306b\u6e1b\u3089\u3057\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u3092\u77ed\u7e2e\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u3001\u5b9f\u88c5\u65b9\u6cd5<\/p>\n\n\n\n
# \u60aa\u3044\u4f8b\uff08N+1\u30af\u30a8\u30ea\u554f\u984c\uff09\n@posts = Post.all\n@posts.each do |post|\n puts post.user.name # \u5404\u6295\u7a3f\u306b\u5bfe\u3057\u3066\u5225\u500b\u306e\u30af\u30a8\u30ea\u304c\u767a\u884c\u3055\u308c\u308b\nend\n\n# \u826f\u3044\u4f8b\uff08eager loading\uff09\n@posts = Post.includes(:user).all\n@posts.each do |post|\n puts post.user.name # \u95a2\u9023\u3059\u308buser\u30c7\u30fc\u30bf\u306f\u65e2\u306b\u30ed\u30fc\u30c9\u6e08\u307f\nend<\/pre>\n\n\n\nincludes<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u95a2\u9023\u3059\u308b\u30c7\u30fc\u30bf\u3092\u4e00\u5ea6\u306e\u30af\u30a8\u30ea\u3067\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002
\u4f8b\u3048\u3070\u3001100\u4ef6\u306e\u6295\u7a3f\u304c\u3042\u308b\u5834\u5408\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30af\u30a8\u30ea\u309299\u56de\u524a\u6e1b\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n2. \u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u306e\u6d3b\u7528<\/h3>\n\n\n\n
\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u306f\u3001\u30d3\u30e5\u30fc\u306e\u4e00\u90e8\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3001\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u907f\u3051\u308b\u30c6\u30af\u30cb\u30c3\u30af\u3067\u3059\u3002
\u7279\u306b\u3001\u983b\u7e41\u306b\u5909\u66f4\u3055\u308c\u306a\u3044\u90e8\u5206\u3084\u3001\u8a08\u7b97\u30b3\u30b9\u30c8\u306e\u9ad8\u3044\u90e8\u5206\u306b\u6709\u52b9\u3067\u3059\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u3001\u5b9f\u88c5\u65b9\u6cd5<\/p>\n\n\n\n
<% cache @post do %>\n <h1><%= @post.title %><\/h1>\n <p><%= @post.content %><\/p>\n <!-- \u4ed6\u306e\u6295\u7a3f\u306e\u8a73\u7d30\u60c5\u5831 -->\n<% end %><\/pre>\n\n\n\n\u3053\u306e\u65b9\u6cd5\u306b\u3088\u308a\u3001\u8907\u96d1\u306a\u30d3\u30e5\u30fc\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u309250%\u4ee5\u4e0a\u524a\u6e1b\u3067\u304d\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
3. \u30ed\u30b7\u30a2\u30f3\u30c9\u30fc\u30eb\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u3067\u8907\u96d1\u306a\u30d3\u30e5\u30fc\u3092\u6700\u9069\u5316<\/h3>\n\n\n\n
\u30ed\u30b7\u30a2\u30f3\u30c9\u30fc\u30eb\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u306f\u3001\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u5927\u898f\u6a21\u3067\u8907\u96d1\u306a\u30d3\u30e5\u30fc\u3092\u52b9\u7387\u7684\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u624b\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u3001\u5b9f\u88c5\u65b9\u6cd5<\/p>\n\n\n\n
<% cache @post do %>\n <h1><%= @post.title %><\/h1>\n <% cache @post.user do %>\n <%= render @post.user %>\n <% end %>\n <p><%= @post.content %><\/p>\n <% cache \"comments-#{@post.id}-#{@post.comments.maximum(:updated_at)}\" do %>\n <%= render @post.comments %>\n <% end %>\n<% end %><\/pre>\n\n\n\n\u3053\u306e\u65b9\u6cd5\u306b\u3088\u308a\u3001\u5927\u898f\u6a21\u30d3\u30e5\u30fc\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u309290%\u4ee5\u4e0a\u77ed\u7e2e\u3067\u304d\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002
\u7279\u306b\u3001\u983b\u7e41\u306b\u66f4\u65b0\u3055\u308c\u308b\u90e8\u5206\u3068\u6bd4\u8f03\u7684\u9759\u7684\u306a\u90e8\u5206\u304c\u6df7\u5728\u3059\u308b\u30d3\u30e5\u30fc\u3067\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n
4. jbuilder\u3092\u4f7f\u7528\u3057\u305f\u52b9\u7387\u7684\u306aJSON\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0<\/h3>\n\n\n\n
jbuilder\u306f\u3001\u8907\u96d1\u306aJSON\u69cb\u9020\u306e\u69cb\u7bc9\u3092\u6700\u9069\u5316\u3057\u3001\u5fc5\u8981\u306a\u5c5e\u6027\u306e\u307f\u3092\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u30c4\u30fc\u30eb\u3067\u3059\u3002
API\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u52b9\u7387\u5316\u306b\u7279\u306b\u6709\u52b9\u3067\u3059\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u3001\u5b9f\u88c5\u65b9\u6cd5<\/p>\n\n\n\n
# app\/views\/posts\/show.json.jbuilder\njson.extract! @post, :id, :title, :content\njson.user do\n json.extract! @post.user, :id, :name\nend\njson.comments @post.comments do |comment|\n json.extract! comment, :id, :content\nend<\/pre>\n\n\n\njbuilder\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001JSON\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u30b5\u30a4\u30ba\u309230%\u7a0b\u5ea6\u524a\u6e1b\u3057\u3001\u751f\u6210\u6642\u9593\u3082\u77ed\u7e2e\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
5. turbolinks\u3068turbostream\u306e\u6d3b\u7528<\/h3>\n\n\n\n
Turbolinks\u3068Turbostream\u306f\u3001\u30da\u30fc\u30b8\u9077\u79fb\u3092\u9ad8\u901f\u5316\u3057\u3001\u90e8\u5206\u7684\u306a\u66f4\u65b0\u3092\u5b9f\u73fe\u3059\u308bRails\u6a5f\u80fd\u3067\u3059\u3002
\u3053\u308c\u3089\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5168\u4f53\u306e\u5fdc\u7b54\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u3001\u5b9f\u88c5\u65b9\u6cd5<\/p>\n\n\n\n
\n- Gemfile\u306b
turbolinks<\/code> \u3092\u8ffd\u52a0<\/li>\n\n\n\n- application.js\u306b
\/\/= require turbolinks<\/code> \u3092\u8ffd\u52a0<\/li>\n\n\n\n- Turbostream\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408<\/li>\n<\/ol>\n\n\n\n
# app\/controllers\/comments_controller.rb\ndef create\n @comment = @post.comments.create!(comment_params)\n respond_to do |format|\n format.turbo_stream\n end\nend<\/pre>\n\n\n\n<!-- app\/views\/comments\/create.turbo_stream.erb -->\n<%= turbo_stream.append \"comments\", @comment %><\/pre>\n\n\n\n\u3053\u308c\u3089\u306e\u6280\u8853\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30da\u30fc\u30b8\u9077\u79fb\u304c30%\u7a0b\u5ea6\u9ad8\u901f\u5316\u3057\u3001\u90e8\u5206\u66f4\u65b0\u306b\u3088\u3063\u3066\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
6. \u30d3\u30e5\u30fc\u306e\u30d7\u30ea\u30ed\u30fc\u30c9\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u77ed\u7e2e<\/h3>\n\n\n\n
\u30d3\u30e5\u30fc\u306e\u30d7\u30ea\u30ed\u30fc\u30c9\u306f\u3001\u5fc5\u8981\u306a\u30d3\u30e5\u30fc\u3092\u4e8b\u524d\u306b\u30e1\u30e2\u30ea\u306b\u30ed\u30fc\u30c9\u3057\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u3092\u77ed\u7e2e\u3059\u308b\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u3001\u5b9f\u88c5\u65b9\u6cd5<\/p>\n\n\n\n
# config\/application.rb\nconfig.action_view.cache_template_loading = true<\/pre>\n\n\n\n\u3053\u306e\u8a2d\u5b9a\u306b\u3088\u308a\u3001\u7279\u306b\u8907\u96d1\u306a\u30d3\u30e5\u30fc\u3067\u521d\u56de\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u309220%\u7a0b\u5ea6\u77ed\u7e2e\u3067\u304d\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
7. \u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30b8\u30e7\u30d6\u3092\u6d3b\u7528\u3057\u305f\u975e\u540c\u671f\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0<\/h3>\n\n\n\n
\u6642\u9593\u306e\u304b\u304b\u308b\u51e6\u7406\u3092\u975e\u540c\u671f\u3067\u884c\u3046\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u5f85\u3061\u6642\u9593\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u3001\u5b9f\u88c5\u65b9\u6cd5<\/p>\n\n\n\n
# app\/jobs\/heavy_rendering_job.rb\nclass HeavyRenderingJob < ApplicationJob\n def perform(user_id)\n user = User.find(user_id)\n report = generate_complex_report(user)\n UserMailer.send_report(user, report).deliver_later\n end\nend\n\n# app\/controllers\/reports_controller.rb\ndef create\n HeavyRenderingJob.perform_later(current_user.id)\n redirect_to root_path, notice: '\u30ec\u30dd\u30fc\u30c8\u751f\u6210\u3092\u958b\u59cb\u3057\u307e\u3057\u305f\u3002\u5b8c\u4e86\u5f8c\u30e1\u30fc\u30eb\u3067\u304a\u77e5\u3089\u305b\u3057\u307e\u3059\u3002'\nend<\/pre>\n\n\n\n\u3053\u306e\u65b9\u6cd5\u306b\u3088\u308a\u3001\u7279\u306b\u91cd\u3044\u51e6\u7406\u306790%\u4ee5\u4e0a\u306e\u30e6\u30fc\u30b6\u30fc\u5f85\u3061\u6642\u9593\u3092\u524a\u6e1b\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u308c\u3089\u306e7\u3064\u306e\u79d8\u8a23\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001Ruby on Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\u305f\u3060\u3057\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n
render\u9ad8\u901f\u5316\u8003\u616e\u6642\u306b\u8003\u3048\u308b\u3079\u304d3\u70b9<\/div>\n\n- \u904e\u5270\u306a\u6700\u9069\u5316\u3092\u907f\u3051\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u3053\u3068<\/li>\n\n\n\n
- \u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\uff08\u4f8b\uff1arack-mini-profiler\uff09\u3092\u4f7f\u7528\u3057\u3066\u3001\u5b9f\u969b\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068<\/li>\n\n\n\n
- \u74b0\u5883\u306b\u3088\u308b\u9055\u3044\u3092\u8003\u616e\u3057\u3001\u672c\u756a\u74b0\u5883\u3067\u306e\u52b9\u679c\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n\n
render\u30e1\u30bd\u30c3\u30c9\u3092\u4e2d\u5fc3\u3068\u3057\u305f\u3053\u308c\u3089\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u6280\u8853\u3092\u7fd2\u5f97\u3057\u3001\u9069\u5207\u306b\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u9ad8\u901f\u3067\u5fdc\u7b54\u6027\u306e\u9ad8\u3044Ruby on Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001render\u306b\u95a2\u3059\u308b\u4e00\u822c\u7684\u306a\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
5. \u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\uff1arender\u306b\u95a2\u3059\u308b\u4e00\u822c\u7684\u306a\u554f\u984c\u3068\u89e3\u6c7a\u7b56<\/h2>\n\n\n\n
Ruby on Rails\u3067render\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u969b\u3001\u3044\u304f\u3064\u304b\u306e\u4e00\u822c\u7684\u306a\u554f\u984c\u306b\u906d\u9047\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002
\u3053\u3053\u3067\u306f\u3001\u3088\u304f\u898b\u3089\u308c\u308b3\u3064\u306e\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002
\u3053\u308c\u3089\u306e\u554f\u984c\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306b\u5bfe\u51e6\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u52b9\u7387\u7684\u306aRails\u958b\u767a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u4e8c\u91cd\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3068\u5bfe\u51e6\u6cd5<\/h3>\n\n\n\n
\u4e8c\u91cd\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30e9\u30fc\uff08AbstractController::DoubleRenderError\uff09\u306f\u3001\u540c\u4e00\u30a2\u30af\u30b7\u30e7\u30f3\u5185\u3067\u8907\u6570\u56de\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3084\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u8a66\u307f\u305f\u969b\u306b\u767a\u751f\u3057\u307e\u3059\u3002
\u3053\u306e\u30a8\u30e9\u30fc\u306f\u4e3b\u306b\u6761\u4ef6\u5206\u5c90\u306e\u8aa4\u308a\u3084\u4e0d\u9069\u5207\u306a\u5236\u5fa1\u30d5\u30ed\u30fc\u304c\u539f\u56e0\u3067\u8d77\u3053\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u5178\u578b\u7684\u306a\u30b7\u30ca\u30ea\u30aa<\/h4>\n\n\n\ndef show\n @user = User.find(params[:id])\n if @user.admin?\n render :admin_view\n end\n render :user_view # \u3053\u3053\u3067\u4e8c\u91cd\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\nend<\/pre>\n\n\n\n\u89e3\u6c7a\u7b56<\/h4>\n\n\n\n\n- \u6761\u4ef6\u5206\u5c90\u306e\u898b\u76f4\u3057<\/li>\n\n\n\n
- \u65e9\u671f\u30ea\u30bf\u30fc\u30f3\u306e\u4f7f\u7528<\/li>\n<\/ol>\n\n\n\n
\u6539\u5584\u5f8c\u306e\u30b3\u30fc\u30c9<\/h4>\n\n\n\ndef show\n @user = User.find(params[:id])\n if @user.admin?\n return render :admin_view\n end\n render :user_view\nend<\/pre>\n\n\n\n\u4e88\u9632\u7b56\u3068\u3057\u3066\u3001\u30a2\u30af\u30b7\u30e7\u30f3\u5185\u3067\u306erender\/redirect\u547c\u3073\u51fa\u3057\u30921\u56de\u306b\u5236\u9650\u3059\u308b\u3053\u3068\u3092\u5fc3\u304c\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
MissingTemplate\u30a8\u30e9\u30fc\u306e\u89e3\u6c7a\u65b9\u6cd5<\/h3>\n\n\n\n
MissingTemplate\u30a8\u30e9\u30fc\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059\u3002
\u3053\u306e\u30a8\u30e9\u30fc\u306e\u4e3b\u306a\u539f\u56e0\u306f\u3001\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u4e0d\u5b58\u5728\u3001\u540d\u524d\u306e\u4e0d\u4e00\u81f4\u3001\u307e\u305f\u306f\u30d1\u30b9\u306e\u8aa4\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
\u5178\u578b\u7684\u306a\u30b7\u30ca\u30ea\u30aa<\/h4>\n\n\n\ndef index\n @posts = Post.all\n render :posts # app\/views\/posts\/posts.html.erb\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306b\u30a8\u30e9\u30fc\nend<\/pre>\n\n\n\n\u89e3\u6c7a\u7b56<\/h4>\n\n\n\n\n- \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u78ba\u8a8d<\/li>\n\n\n\n
- \u540d\u524d\u3068\u30d1\u30b9\u306e\u4fee\u6b63<\/li>\n<\/ol>\n\n\n\n
\u6539\u5584\u5f8c\u306e\u30b3\u30fc\u30c9<\/h4>\n\n\n\ndef index\n @posts = Post.all\n render :index # app\/views\/posts\/index.html.erb\u304c\u6b63\u3057\u3044\nend<\/pre>\n\n\n\n\u4e88\u9632\u7b56\u3068\u3057\u3066\u3001Rails\u306e\u547d\u540d\u898f\u5247\u3092\u9075\u5b88\u3057\u3001\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u5b58\u5728\u3092\u4e8b\u524d\u306b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n
\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4f4e\u4e0b\u6642\u306e\u30c7\u30d0\u30c3\u30b0\u624b\u6cd5<\/h3>\n\n\n\n
\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5fdc\u7b54\u304c\u9045\u304f\u306a\u308b\u554f\u984c\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306b\u76f4\u63a5\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002
\u4e3b\u306a\u539f\u56e0\u3068\u3057\u3066\u306f\u3001N+1\u30af\u30a8\u30ea\u554f\u984c\u3001\u4e0d\u9069\u5207\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u4f7f\u7528\u3001\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\u89e3\u6c7a\u7b56<\/h4>\n\n\n\n\n- eager loading\u306e\u4f7f\u7528<\/li>\n\n\n\n
- \u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u9069\u5207\u306a\u4f7f\u7528<\/li>\n\n\n\n
- \u30c7\u30fc\u30bf\u51e6\u7406\u306e\u6700\u9069\u5316<\/li>\n<\/ol>\n\n\n\n
\u6539\u5584\u4f8b<\/h4>\n\n\n\n# Before: N+1\u30af\u30a8\u30ea\u554f\u984c\n@posts = Post.all\n@posts.each { |post| puts post.user.name }\n\n# After: eager loading\u306e\u4f7f\u7528\n@posts = Post.includes(:user).all\n@posts.each { |post| puts post.user.name }<\/pre>\n\n\n\n\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u554f\u984c\u306e\u30c7\u30d0\u30c3\u30b0\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30c4\u30fc\u30eb\u3068\u30c6\u30af\u30cb\u30c3\u30af\u304c\u6709\u52b9\u3067\u3059\u3002<\/p>\n\n\n\n
\n- Rails server\u30ed\u30b0\u306e\u78ba\u8a8d\uff1aSQL\u30af\u30a8\u30ea\u306e\u6570\u3084\u5b9f\u884c\u6642\u9593\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n
- rack-mini-profiler\u306e\u4f7f\u7528\uff1a\u30da\u30fc\u30b8\u30ed\u30fc\u30c9\u6642\u9593\u3084SQL\u30af\u30a8\u30ea\u306e\u8a73\u7d30\u306a\u5206\u6790\u304c\u53ef\u80fd\u3067\u3059\u3002<\/li>\n\n\n\n
- bullet gem\u306e\u5c0e\u5165\uff1aN+1\u30af\u30a8\u30ea\u554f\u984c\u3092\u81ea\u52d5\u691c\u51fa\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n
# Gemfile\ngem 'rack-mini-profiler'\ngem 'bullet', group: 'development'\n\n# config\/environments\/development.rb\nconfig.after_initialize do\n Bullet.enable = true\n Bullet.alert = true\n Bullet.bullet_logger = true\n Bullet.console = true\n Bullet.rails_logger = true\nend<\/pre>\n\n\n\n\u4e88\u9632\u7b56\u3068\u3057\u3066\u3001\u5b9a\u671f\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u3092\u884c\u3046\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n
\u3053\u308c\u3089\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u5fc3\u304c\u3051\u308b\u3053\u3068\u3067\u3001\u591a\u304f\u306e\u554f\u984c\u3092\u672a\u7136\u306b\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
render<\/code>\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u95a2\u3059\u308b\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b95\u9078<\/div>\n\n- DRY\u30d7\u30ea\u30f3\u30b7\u30d1\u30eb\u306e\u9075\u5b88\uff1a\u30b3\u30fc\u30c9\u306e\u91cd\u8907\u3092\u907f\u3051\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/li>\n\n\n\n
- \u9069\u5207\u306a\u4f8b\u5916\u51e6\u7406\uff1a\u4e88\u671f\u305b\u306c\u30a8\u30e9\u30fc\u306b\u5bfe\u3057\u3066\u9069\u5207\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002<\/li>\n\n\n\n
- \u30e2\u30c7\u30eb\u3067\u306e\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u51e6\u7406\uff1a\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3092\u30b7\u30f3\u30d7\u30eb\u306b\u4fdd\u3061\u307e\u3059\u3002<\/li>\n\n\n\n
- \u30d3\u30e5\u30fc\u30d8\u30eb\u30d1\u30fc\u306e\u6d3b\u7528\uff1a\u30d3\u30e5\u30fc\u306e\u30ed\u30b8\u30c3\u30af\u3092\u6574\u7406\u3057\u3001\u518d\u5229\u7528\u6027\u3092\u9ad8\u3081\u307e\u3059\u3002<\/li>\n\n\n\n
- \u5b9a\u671f\u7684\u306a\u30b3\u30fc\u30c9\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\uff1a\u30b3\u30fc\u30c9\u306e\u54c1\u8cea\u3092\u7dad\u6301\u3057\u3001\u6f5c\u5728\u7684\u306a\u554f\u984c\u3092\u65e9\u671f\u306b\u767a\u898b\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n\n
Ruby on Rails\u306erender\u30e1\u30bd\u30c3\u30c9\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u306f\u3001\u9069\u5207\u306a\u7406\u89e3\u3068\u5bfe\u51e6\u65b9\u6cd5\u3092\u77e5\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306b\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002
\u3053\u308c\u3089\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u6280\u8853\u3092\u7fd2\u5f97\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u5805\u7262\u3067\u9ad8\u6027\u80fd\u306aRails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002
\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001Rails 7\u6642\u4ee3\u306erender\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u3001\u6700\u65b0\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3068\u65b0\u6a5f\u80fd\u3092\u63a2\u3063\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
6. Rails 7\u6642\u4ee3\u306erender\uff1a\u6700\u65b0\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3068\u65b0\u6a5f\u80fd<\/h2>\n\n\n\n
Rails 7\u306e\u767b\u5834\u306b\u3088\u308a\u3001render\u30e1\u30bd\u30c3\u30c9\u3092\u542b\u3080\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u958b\u767a\u306e\u30d1\u30e9\u30c0\u30a4\u30e0\u304c\u5927\u304d\u304f\u5909\u5316\u3057\u307e\u3057\u305f\u3002
\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001Rails 7\u3067\u5c0e\u5165\u3055\u308c\u305f\u65b0\u6a5f\u80fd\u3084\u5909\u66f4\u70b9\u3001\u7279\u306brender\u30e1\u30bd\u30c3\u30c9\u306b\u95a2\u9023\u3059\u308b\u90e8\u5206\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
importmaps\u3068JavaScript\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0<\/h3>\n\n\n\n
Rails 7\u3067\u306f\u3001importmaps\u3068\u3044\u3046\u65b0\u3057\u3044\u6a5f\u80fd\u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002
\u3053\u308c\u306f\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u4f9d\u5b58\u95a2\u4fc2\u3092\u7ba1\u7406\u3057\u3001JavaScript\u30a2\u30bb\u30c3\u30c8\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u63d0\u4f9b\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n
importmaps\u306e\u4e3b\u306a\u30e1\u30ea\u30c3\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
\n- \u30d3\u30eb\u30c9\u30b9\u30c6\u30c3\u30d7\u306e\u524a\u9664\uff1a\u8907\u96d1\u306aJavaScript\u30d3\u30eb\u30c9\u30d7\u30ed\u30bb\u30b9\u304c\u4e0d\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n
- \u9ad8\u901f\u306a\u521d\u671f\u30da\u30fc\u30b8\u30ed\u30fc\u30c9\uff1a\u5fc5\u8981\u306aJavaScript\u306e\u307f\u3092\u8aad\u307f\u8fbc\u3080\u305f\u3081\u3001\u521d\u671f\u30ed\u30fc\u30c9\u304c\u9ad8\u901f\u5316\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n
- \u30b7\u30f3\u30d7\u30eb\u306a\u4f9d\u5b58\u95a2\u4fc2\u7ba1\u7406\uff1a
config\/importmap.rb<\/code>\u3067\u4e00\u5143\u7684\u306b\u4f9d\u5b58\u95a2\u4fc2\u3092\u7ba1\u7406\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n\u4f7f\u7528\u4f8b<\/p>\n\n\n\n
# config\/importmap.rb\npin \"application\", preload: true\npin \"@hotwired\/turbo-rails\", to: \"turbo.min.js\", preload: true\npin \"@hotwired\/stimulus\", to: \"stimulus.min.js\", preload: true<\/pre>\n\n\n\n\/\/ app\/javascript\/application.js\nimport \"@hotwired\/turbo-rails\"\nimport \"@hotwired\/stimulus\"<\/pre>\n\n\n\n\u3053\u306e\u65b9\u6cd5\u306b\u3088\u308a\u3001Ruby on Rails render\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u3088\u308a\u30b7\u30f3\u30d7\u30eb\u304b\u3064\u9ad8\u901f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
Hotwire\u3092\u6d3b\u7528\u3057\u305f\u65b0\u3057\u3044\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30d1\u30e9\u30c0\u30a4\u30e0<\/h3>\n\n\n\n
Hotwire\u306f\u3001SPA\uff08Single Page Application\uff09\u98a8\u306e\u9ad8\u901f\u306a\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u5b9f\u73fe\u3057\u3064\u3064\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u5229\u70b9\u3092\u7dad\u6301\u3059\u308b\u65b0\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u3059\u3002
Hotwire\u306f\u4ee5\u4e0b\u306e\u8981\u7d20\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\n- Turbo Drive: \u30da\u30fc\u30b8\u9077\u79fb\u3092\u9ad8\u901f\u5316<\/li>\n\n\n\n
- Turbo Frames: \u30da\u30fc\u30b8\u306e\u4e00\u90e8\u3092\u975e\u540c\u671f\u306b\u66f4\u65b0<\/li>\n\n\n\n
- Turbo Streams: \u8907\u6570\u306e\u8981\u7d20\u3092\u540c\u6642\u306b\u66f4\u65b0<\/li>\n<\/ol>\n\n\n\n
Hotwire\u3092\u4f7f\u7528\u3057\u305frender\u306e\u4f8b\u3002<\/p>\n\n\n\n
# app\/controllers\/posts_controller.rb\ndef create\n @post = Post.create(post_params)\n respond_to do |format|\n format.turbo_stream\n end\nend<\/pre>\n\n\n\n<!-- app\/views\/posts\/create.turbo_stream.erb -->\n<%= turbo_stream.append \"posts\", @post %><\/pre>\n\n\n\n\u3053\u306e\u65b9\u6cd5\u306b\u3088\u308a\u3001\u30da\u30fc\u30b8\u5168\u4f53\u3092reload\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u65b0\u3057\u3044\u6295\u7a3f\u3092\u52d5\u7684\u306b\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
Rails 7\u306e\u3053\u308c\u3089\u306e\u65b0\u6a5f\u80fd\u306b\u3088\u308a\u3001render\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u7528\u65b9\u6cd5\u3084\u4f4d\u7f6e\u3065\u3051\u304c\u5909\u5316\u3057\u3001\u3088\u308a\u52b9\u7387\u7684\u3067\u9ad8\u901f\u306aWeb\u958b\u767a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f\u3002
\u5f93\u6765\u306eWebpacker\u3084jQuery\u3092\u4f7f\u7528\u3057\u305f\u65b9\u6cd5\u3068\u6bd4\u8f03\u3057\u3066\u3001\u958b\u767a\u30d7\u30ed\u30bb\u30b9\u304c\u7c21\u7d20\u5316\u3055\u308c\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u308c\u3089\u306e\u65b0\u6a5f\u80fd\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001Ruby on Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u306f\u3088\u308a\u7d71\u4e00\u3055\u308c\u305f\u4f53\u9a13\u3068\u306a\u308a\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u958b\u767a\u306e\u6577\u5c45\u3082\u4f4e\u304f\u306a\u308a\u307e\u3057\u305f\u3002
\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u307e\u3067\u306b\u5b66\u3093\u3060render\u30e1\u30bd\u30c3\u30c9\u306e\u77e5\u8b58\u3092\u7dcf\u62ec\u3057\u3001\u3055\u3089\u306a\u308b\u5b66\u7fd2\u306e\u305f\u3081\u306e\u9053\u7b4b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
7. \u307e\u3068\u3081\uff1arender\u30de\u30b9\u30bf\u30fc\u3078\u306e\u9053<\/h2>\n\n\n\n
\u672c\u8a18\u4e8b\u3092\u901a\u3058\u3066\u3001Ruby on Rails\u306erender\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044T\u306e\u6df1\u3044\u7406\u89e3\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u305f\u3067\u3057\u3087\u3046\u3002
render\u30e1\u30bd\u30c3\u30c9\u306fRails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d3\u30e5\u30fc\u751f\u6210\u306e\u4e2d\u5fc3\u3067\u3042\u308a\u3001\u305d\u306e\u91cd\u8981\u6027\u306f\u8a08\u308a\u77e5\u308c\u307e\u305b\u3093\u3002
\u3053\u3053\u3067\u3001\u5b66\u3093\u3060\u4e3b\u8981\u30dd\u30a4\u30f3\u30c8\u3092\u632f\u308a\u8fd4\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u672c\u8a18\u4e8b\u3067\u5b66\u3093\u3060\u91cd\u8981\u30dd\u30a4\u30f3\u30c8\u306e\u5fa9\u7fd2<\/h3>\n\n\n\n\u3053\u306e\u8a18\u4e8b\u306e5\u3064\u306e\u5b66\u7fd2\u30dd\u30a4\u30f3\u30c8<\/div>\n\n- render\u30e1\u30bd\u30c3\u30c9\u306e\u57fa\u672c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u3068\u69cb\u6587<\/li>\n\n\n\n
- \u9ad8\u5ea6\u306a\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30c6\u30af\u30cb\u30c3\u30af\uff08\u90e8\u5206\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3001JSON\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u6700\u9069\u5316\u306a\u3069\uff09<\/li>\n\n\n\n
- \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e7\u3064\u306e\u79d8\u8a23<\/li>\n\n\n\n
- \u4e00\u822c\u7684\u306a\u554f\u984c\uff08\u4e8c\u91cd\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3001MissingTemplate\u30a8\u30e9\u30fc\u306a\u3069\uff09\u3068\u305d\u306e\u89e3\u6c7a\u7b56<\/li>\n\n\n\n
- Rails 7\u3067\u306e\u65b0\u6a5f\u80fd\uff08importmaps\u3001Hotwire\uff09\u3068render\u30e1\u30bd\u30c3\u30c9\u306e\u9032\u5316<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n\n
\u3053\u308c\u3089\u306e\u77e5\u8b58\u3092\u8eab\u306b\u3064\u3051\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u52b9\u7387\u7684\u3067\u9ad8\u6027\u80fd\u306aRails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
render\u30e1\u30bd\u30c3\u30c9\u306e\u30de\u30b9\u30bf\u30fc\u306b\u306a\u308b\u305f\u3081\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
\n- \u57fa\u672c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u3092\u5b8c\u5168\u306b\u7406\u89e3\u3057\u3001\u65e5\u3005\u306e\u958b\u767a\u3067\u7a4d\u6975\u7684\u306b\u6d3b\u7528\u3059\u308b<\/li>\n\n\n\n
- \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u3092\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u5b9f\u8df5\u3059\u308b<\/li>\n\n\n\n
- \u4e00\u822c\u7684\u306a\u554f\u984c\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u80fd\u529b\u3092\u5411\u4e0a\u3055\u305b\u308b<\/li>\n\n\n\n
- Hotwire\u306a\u3069\u306e\u65b0\u3057\u3044\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30d1\u30e9\u30c0\u30a4\u30e0\u3092\u7fd2\u5f97\u3057\u3001\u9069\u6750\u9069\u6240\u3067\u4f7f\u7528\u3059\u308b<\/li>\n\n\n\n
- \u5e38\u306b\u6700\u65b0\u306eRails\u52d5\u5411\u3092\u30ad\u30e3\u30c3\u30c1\u30a2\u30c3\u30d7\u3057\u3001\u65b0\u6a5f\u80fd\u3092\u7a4d\u6975\u7684\u306b\u53d6\u308a\u5165\u308c\u308b<\/li>\n<\/ol>\n\n\n\n
\u3055\u3089\u306a\u308b\u5b66\u7fd2\u30ea\u30bd\u30fc\u30b9\u3068\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/h3>\n\n\n\n
render\u30e1\u30bd\u30c3\u30c9\u3084Rails\u958b\u767a\u5168\u822c\u306b\u3064\u3044\u3066\u3055\u3089\u306b\u5b66\u3076\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30ea\u30bd\u30fc\u30b9\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n
\n- Rails\u516c\u5f0f\u30ac\u30a4\u30c9 (https:\/\/guides.rubyonrails.org\/)<\/li>\n\n\n\n
- RailsCasts (http:\/\/railscasts.com\/)<\/li>\n\n\n\n
- GoRails (https:\/\/gorails.com\/)<\/li>\n\n\n\n
- Ruby on Rails \u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb by Michael Hartl<\/li>\n\n\n\n
- RailsConf\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u52d5\u753b (https:\/\/confreaks.tv\/)<\/li>\n<\/ol>\n\n\n\n
\u3042\u306a\u305f\u306e\u30b9\u30ad\u30eb\u30ec\u30d9\u30eb\u306b\u5fdc\u3058\u3066\u3001\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
\n- \u521d\u5fc3\u8005<\/strong>\uff1a\u57fa\u672c\u7684\u306aCRUD\u64cd\u4f5c\u3068render\u306e\u95a2\u4fc2\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b<\/li>\n\n\n\n
- \u4e2d\u7d1a\u8005<\/strong>\uff1a\u8907\u96d1\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306erender\u306e\u6700\u9069\u5316\u306b\u53d6\u308a\u7d44\u3080<\/li>\n\n\n\n
- \u4e0a\u7d1a\u8005<\/strong>\uff1a\u30ab\u30b9\u30bf\u30e0\u30ec\u30f3\u30c0\u30e9\u30fc\u306e\u4f5c\u6210\u3084Rails\u30b3\u30a2\u958b\u767a\u3078\u306e\u8ca2\u732e\u3092\u76ee\u6307\u3059<\/li>\n<\/ul>\n\n\n\n
Ruby on Rails\u306e\u4e16\u754c\u3067\u306f\u3001render\u30e1\u30bd\u30c3\u30c9\u306e\u91cd\u8981\u6027\u306f\u4eca\u5f8c\u3082\u5909\u308f\u308a\u307e\u305b\u3093\u3002
JavaScript\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u306e\u3055\u3089\u306a\u308b\u7d71\u5408\u3084\u3001AI\u3092\u6d3b\u7528\u3057\u305f\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6700\u9069\u5316\u306a\u3069\u3001\u4eca\u5f8c\u306e\u5c55\u958b\u3082\u697d\u3057\u307f\u3067\u3059\u3002<\/p>\n\n\n\n
\u672c\u8a18\u4e8b\u3067\u5b66\u3093\u3060\u77e5\u8b58\u3092\u5b9f\u8df5\u3057\u3001render\u30e1\u30bd\u30c3\u30c9\u3092\u30de\u30b9\u30bf\u30fc\u3059\u308b\u3053\u3068\u3067\u3001\u3042\u306a\u305f\u306eRails\u958b\u767a\u30b9\u30ad\u30eb\u306f\u78ba\u5b9f\u306b\u5411\u4e0a\u3059\u308b\u3067\u3057\u3087\u3046\u3002
Rails community\u306e\u4e00\u54e1\u3068\u3057\u3066\u3001\u5171\u306b\u6210\u9577\u3057\u3001\u7d20\u6674\u3089\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u308a\u4e0a\u3052\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
Happy rendering!<\/p>\n","protected":false},"excerpt":{"rendered":"
Ruby on Rails\u306erender\u30e1\u30bd\u30c3\u30c9\u306f\u3001Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306e\u8981\u3068\u306a\u308b\u6a5f\u80fd\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001render\u30e1\u30bd\u30c3\u30c9\u306e\u57fa\u672c\u304b\u3089\u6700\u65b0\u306e\u30c6\u30af\u30cb\u30c3\u30af\u307e\u3067\u3001\u5305\u62ec\u7684\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u521d\u5fc3\u8005\u304b\u3089\u4e2d\u7d1a\u8005\u307e\u3067\u3001Rails\u958b\u767a\u8005 … <\/p>\n","protected":false},"author":1,"featured_media":3129,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,44],"tags":[],"class_list":{"0":"post-72","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-ruby","8":"category-ruby-rails"},"_links":{"self":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/72","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=72"}],"version-history":[{"count":2,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/72\/revisions"}],"predecessor-version":[{"id":106,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/72\/revisions\/106"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/media\/3129"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=72"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=72"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=72"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}