{"id":65,"date":"2024-09-08T16:53:39","date_gmt":"2024-09-08T07:53:39","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=65"},"modified":"2025-03-24T08:55:08","modified_gmt":"2025-03-23T23:55:08","slug":"%e3%80%90rails%e5%88%9d%e5%bf%83%e8%80%85%e5%bf%85%e8%a6%8b%e3%80%91before_action%e3%81%a7%e5%8a%b9%e7%8e%87%e5%8c%96%ef%bc%815%e3%81%a4%e3%81%ae%e5%ae%9f%e8%b7%b5%e7%9a%84%e3%81%aa%e4%bd%bf%e3%81%84","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=65","title":{"rendered":"\u3010Rails\u521d\u5fc3\u8005\u5fc5\u898b\u3011before_action\u3067\u52b9\u7387\u5316\uff015\u3064\u306e\u5b9f\u8df5\u7684\u306a\u4f7f\u3044\u65b9\u3068\u6ce8\u610f\u70b9"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ruby on Rails\u306e\u5f37\u529b\u306a\u6a5f\u80fd\u306e\u4e00\u3064\u3001<code>before_action<\/code>\u3002<br>\u3053\u306e\u5c0f\u3055\u306a\u9b54\u6cd5\u306e\u3088\u3046\u306a\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u3067\u3001\u3042\u306a\u305f\u306e\u30b3\u30fc\u30c9\u306f\u3088\u308a\u7c21\u6f54\u306b\u3001\u305d\u3057\u3066\u52b9\u7387\u7684\u306b\u306a\u308a\u307e\u3059\u3002<br>\u521d\u5fc3\u8005\u304b\u3089\u4e2d\u7d1a\u8005\u307e\u3067\u3001<code>before_action<\/code>\u306e\u57fa\u672c\u304b\u3089\u5fdc\u7528\u307e\u3067\u3001\u5b9f\u8df5\u7684\u306a\u4f8b\u3092\u4ea4\u3048\u3066\u5fb9\u5e95\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">\u3053\u306e\u8a18\u4e8b\u3092\u901a\u3057\u3066\u7406\u89e3\u3067\u304d\u308b8\u3064\u306e\u3053\u3068<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ul class=\"wp-block-list\">\n<li><code>before_action<\/code>\u306e\u57fa\u672c\u7684\u306a\u6982\u5ff5\u3068\u4f7f\u3044\u65b9<\/li>\n\n\n\n<li><code>before_action<\/code>\u306e\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u4f8b5\u3064<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u4fdd\u5b88\u6027\u3092\u8003\u616e\u3057\u305f<code>before_action<\/code>\u306e\u4f7f\u7528\u65b9\u6cd5<\/li>\n\n\n\n<li><code>before_action<\/code>\u4f7f\u7528\u6642\u306e\u6ce8\u610f\u70b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/li>\n\n\n\n<li>\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u3068<code>before_action<\/code>\u306e\u7d44\u307f\u5408\u308f\u305b\u65b9<\/li>\n\n\n\n<li><code>around_action<\/code>\u306e\u4f7f\u3044\u65b9\u3068<code>before_action<\/code>\u3068\u306e\u9055\u3044<\/li>\n\n\n\n<li>\u52b9\u7387\u7684\u306aRails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306b\u304a\u3051\u308b<code>before_action<\/code>\u306e\u5f79\u5272<\/li>\n\n\n\n<li><code>before_action<\/code>\u306e\u30b9\u30ad\u30eb\u3092\u66f4\u306b\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306e\u5b66\u7fd2\u30ea\u30bd\u30fc\u30b9<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"\u76ee\u6b21\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">1. before_action\u3068\u306f\uff1fRails\u306e\u9b54\u6cd5\u3092\u89e3\u304d\u660e\u304b\u3059<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306e\u5171\u901a\u51e6\u7406\u3092\u7c21\u6f54\u306b\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">DRY\u306e\u539f\u5247\uff1a\u91cd\u8907\u30b3\u30fc\u30c9\u3092\u64b2\u6ec5\u305b\u3088<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">2. before_action\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\uff1a3\u30b9\u30c6\u30c3\u30d7\u3067\u7fd2\u5f97<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">\u30b9\u30c6\u30c3\u30d71\uff1a\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306bbefore_action\u3092\u5b9a\u7fa9\u3059\u308b<\/a>      <\/li>      <li>        <a href=\"#i-5\">\u30b9\u30c6\u30c3\u30d72\uff1a\u5b9f\u884c\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u6307\u5b9a\u3059\u308b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-6\">\u30b9\u30c6\u30c3\u30d73\uff1a\u9069\u7528\u7bc4\u56f2\u3092\u5236\u5fa1\u3059\u308b\uff08only, except\u30aa\u30d7\u30b7\u30e7\u30f3\uff09<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-7\">3. 5\u3064\u306e\u5b9f\u8df5\u7684\u306abefore_action\u6d3b\u7528\u4f8b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-8\">\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\uff1a\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b<\/a>      <\/li>      <li>        <a href=\"#i-9\">\u30c7\u30fc\u30bf\u306e\u4e8b\u524d\u30ed\u30fc\u30c9\uff1aN+1\u554f\u984c\u3092\u56de\u907f\u3059\u308b<\/a>      <\/li>      <li>        <a href=\"#i-10\">\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\uff1a\u4e0d\u6b63\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5f3e\u304f<\/a>      <\/li>      <li>        <a href=\"#i-11\">\u30d3\u30e5\u30fc\u306e\u5171\u901a\u5909\u6570\u8a2d\u5b9a\uff1a\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u52d5\u7684\u306b\u5909\u66f4\u3059\u308b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-12\">\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u306e\u30c1\u30a7\u30c3\u30af\uff1a\u9069\u5207\u306a\u8a8d\u53ef\u3092\u5b9f\u88c5\u3059\u308b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-13\">4. before_action\u4f7f\u7528\u6642\u306e\u6ce8\u610f\u70b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-14\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\uff1a\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u51e6\u7406\u3092\u5fc3\u304c\u3051\u308b<\/a>      <\/li>      <li>        <a href=\"#i-15\">\u9806\u5e8f\u306e\u91cd\u8981\u6027\uff1a\u8907\u6570\u306ebefore_action\u306e\u5b9f\u884c\u9806\u5e8f\u3092\u7406\u89e3\u3059\u308b<\/a>      <\/li>      <li>        <a href=\"#i-16\">\u7d99\u627f\u6642\u306e\u6319\u52d5\uff1a\u89aa\u5b50\u95a2\u4fc2\u306b\u3042\u308b\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3067\u306e\u52d5\u4f5c<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-17\">\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-18\">5. before_action\u306e\u5fdc\u7528\uff1a\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-19\">\u72ec\u81ea\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u6210\u3057\u3066\u30b3\u30fc\u30c9\u3092\u3055\u3089\u306b\u6574\u7406\u3059\u308b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-20\">around_action\u3068\u306e\u4f7f\u3044\u5206\u3051\uff1a\u3088\u308a\u67d4\u8edf\u306a\u5236\u5fa1\u3092\u5b9f\u73fe\u3059\u308b<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-23\">6. \u307e\u3068\u3081\uff1abefore_action\u30de\u30b9\u30bf\u30fc\u3078\u306e\u9053<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-24\">\u52b9\u7387\u7684\u306aRails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3078\u306e\u7b2c\u4e00\u6b69<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-25\">\u3055\u3089\u306a\u308b\u5b66\u7fd2\u30ea\u30bd\u30fc\u30b9\u3068\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3078\u306e\u53c2\u52a0<\/a>      <\/li>    <\/ul>  <\/li><\/ul>\n      <a href=\"#\" class=\"sgb-toc-button js-toc-button\" rel=\"nofollow\" data-open-dialog=\"true\"><i class=\"fa fa-list\"><\/i><span class=\"sgb-toc-button__text\">\u76ee\u6b21\u3078<\/span><\/a>\n    <\/div><\/div><h2 class=\"wp-block-sgb-headings sgb-heading\" id=\"i-0\"><span class=\"sgb-heading__inner sgb-heading--type1 with-icon\" style=\"background-color:transparent;border-color:transparent;font-size:1.2em\"><i class=\"fa fa-check\" style=\"color:var(--wp--preset--color--sango-main)\"><\/i><span class=\"sgb-heading__text\" style=\"color:#333\">1. before_action\u3068\u306f\uff1fRails\u306e\u9b54\u6cd5\u3092\u89e3\u304d\u660e\u304b\u3059<\/span><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ruby on Rails\u306e\u4e16\u754c\u3078\u3088\u3046\u3053\u305d\uff01<br>\u4eca\u56de\u306f\u3001Rails\u306e\u9b54\u6cd5\u306e\u3088\u3046\u306a\u6a5f\u80fd\u306e\u4e00\u3064\u3001<code>before_action<\/code>\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<br>\u521d\u5fc3\u8005\u306e\u65b9\u3082\u3001\u4e2d\u7d1a\u8005\u306e\u65b9\u3082\u3001\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070<code>before_action<\/code>\u306e\u30d1\u30ef\u30fc\u3092\u5b58\u5206\u306b\u6d3b\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306e\u5171\u901a\u51e6\u7406\u3092\u7c21\u6f54\u306b\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>before_action<\/code>\u306f\u3001Rails controller\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u6a5f\u80fd\u306e\u4e00\u3064\u3067\u3059\u3002<br>\u3053\u308c\u3092\u4f7f\u3046\u3068\u3001\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u5b9f\u884c\u3055\u308c\u308b\u524d\u306b\u7279\u5b9a\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u3064\u307e\u308a\u3001\u8907\u6570\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3067\u5171\u901a\u3057\u3066\u884c\u3044\u305f\u3044\u51e6\u7406\u304c\u3042\u308b\u3068\u304d\u3001<code>before_action<\/code>\u3092\u4f7f\u3048\u3070\u4e00\u7b87\u6240\u306b\u307e\u3068\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5171\u901a\u51e6\u7406\u306b\u3088\u304f\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c<\/li>\n\n\n\n<li>\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u306e\u53d6\u5f97<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u51e6\u7406\u3092\u5404\u30a2\u30af\u30b7\u30e7\u30f3\u3067\u500b\u5225\u306b\u66f8\u3044\u3066\u3044\u305f\u3089\u3001\u30b3\u30fc\u30c9\u304c\u5197\u9577\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3088\u306d\u3002<br>\u305d\u3053\u3067<code>before_action<\/code>\u306e\u51fa\u756a\u3067\u3059\uff01<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">DRY\u306e\u539f\u5247\uff1a\u91cd\u8907\u30b3\u30fc\u30c9\u3092\u64b2\u6ec5\u305b\u3088<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>before_action<\/code>\u3092\u7406\u89e3\u3059\u308b\u4e0a\u3067\u6b20\u304b\u305b\u306a\u3044\u306e\u304c\u3001DRY\u306e\u539f\u5247\u3067\u3059\u3002<br>DRY\u3068\u306f \u201cDon\u2019t Repeat Yourself\u201d\uff08\u7e70\u308a\u8fd4\u3057\u3092\u907f\u3051\u308b\uff09\u306e\u7565\u3067\u3001\u30b3\u30fc\u30c9\u306e\u91cd\u8907\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u539f\u5247\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>before_action<\/code>\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5229\u70b9\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30fc\u30c9\u306e\u91cd\u8907\u3092\u6e1b\u3089\u3059<\/li>\n\n\n\n<li>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u306e\u5411\u4e0a<\/li>\n\n\n\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316<\/li>\n\n\n\n<li>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u306e\u5411\u4e0a<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3067\u306f\u3001\u5177\u4f53\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<br><code>before_action<\/code>\u3092\u4f7f\u308f\u306a\u3044\u5834\u5408\u3068\u4f7f\u3046\u5834\u5408\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># before_action\u3092\u4f7f\u308f\u306a\u3044\u5834\u5408\nclass UsersController &lt; ApplicationController\n  def show\n    @user = User.find(params[:id])\n  end\n\n  def edit\n    @user = User.find(params[:id])\n  end\n\n  def update\n    @user = User.find(params[:id])\n    # update logic\n  end\nend\n\n# before_action\u3092\u4f7f\u3046\u5834\u5408\nclass UsersController &lt; ApplicationController\n  before_action :set_user, only: [:show, :edit, :update]\n\n  private\n\n  def set_user\n    @user = User.find(params[:id])\n  end\nend<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><code>before_action<\/code>\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u304c\u3059\u3063\u304d\u308a\u3068\u3057\u307e\u3057\u305f\u3002<br><code>set_user<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4e00\u5ea6\u5b9a\u7fa9\u3059\u308b\u3060\u3051\u3067\u3001\u6307\u5b9a\u3057\u305f\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u524d\u306b\u81ea\u52d5\u7684\u306b\u5b9f\u884c\u3055\u308c\u308b\u306e\u3067\u3059\u3002<br>\u3053\u308c\u3053\u305d\u304cRails\u306e\u9b54\u6cd5\u3068\u547c\u3070\u308c\u308b\u6240\u4ee5\u306a\u306e\u3067\u3059\uff01<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3088\u3046\u306b\u3001<code>before_action<\/code>\u3092\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u3067\u3001\u3088\u308a\u30af\u30ea\u30fc\u30f3\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001<code>before_action<\/code>\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u30923\u3064\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<br>Rails\u521d\u5fc3\u8005\u306e\u65b9\u3082\u3001\u305c\u3072\u4e00\u7dd2\u306b\u5b66\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n<h2 class=\"wp-block-sgb-headings sgb-heading\" id=\"i-3\"><span class=\"sgb-heading__inner sgb-heading--type1 with-icon\" style=\"background-color:transparent;border-color:transparent;font-size:1.2em\"><i class=\"fa fa-check\" style=\"color:var(--wp--preset--color--sango-main)\"><\/i><span class=\"sgb-heading__text\" style=\"color:#333\">2. before_action\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\uff1a3\u30b9\u30c6\u30c3\u30d7\u3067\u7fd2\u5f97<\/span><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3055\u3066\u3001<code>before_action<\/code>\u306e\u6982\u5ff5\u3092\u7406\u89e3\u3057\u305f\u3068\u3053\u308d\u3067\u3001\u5b9f\u969b\u306e\u4f7f\u3044\u65b9\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<br>\u3053\u3053\u3067\u306f\u30013\u3064\u306e\u7c21\u5358\u306a\u30b9\u30c6\u30c3\u30d7\u3067<code>before_action<\/code>\u306e\u57fa\u672c\u3092\u7fd2\u5f97\u3057\u3066\u3044\u304d\u307e\u3059\u3002<br>\u3053\u308c\u3089\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u62bc\u3055\u3048\u308c\u3070\u3001\u3042\u306a\u305f\u3082<code>before_action<\/code>\u30de\u30b9\u30bf\u30fc\u3078\u306e\u9053\u3092\u6b69\u307f\u59cb\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff01<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">\u30b9\u30c6\u30c3\u30d71\uff1a\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306bbefore_action\u3092\u5b9a\u7fa9\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305a\u6700\u521d\u306b\u884c\u3046\u306e\u306f\u3001\u4f7f\u7528\u3057\u305f\u3044\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u5185\u3067<code>before_action<\/code>\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3067\u3059\u3002<br>\u3053\u308c\u306f\u975e\u5e38\u306b\u7c21\u5358\u3067\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u30af\u30e9\u30b9\u5185\u3067<code>before_action<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3001\u5b9f\u884c\u3057\u305f\u3044\u30e1\u30bd\u30c3\u30c9\u3092\u6307\u5b9a\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u3092\u884c\u3046\u30e1\u30bd\u30c3\u30c9\u3092\u5168\u3066\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u524d\u306b\u5b9f\u884c\u3057\u305f\u3044\u5834\u5408\u3001\u6b21\u306e\u3088\u3046\u306b\u66f8\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class UsersController &lt; ApplicationController\n  before_action :authenticate_user\n\n  # \u5404\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u5b9a\u7fa9...\nend<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>UsersController<\/code>\u5185\u306e\u5168\u3066\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u5b9f\u884c\u3055\u308c\u308b\u524d\u306b\u3001<code>authenticate_user<\/code>\u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u30b9\u30c6\u30c3\u30d72\uff1a\u5b9f\u884c\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u6307\u5b9a\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b21\u306b\u3001<code>before_action<\/code>\u3067\u547c\u3073\u51fa\u3055\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<br>\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u901a\u5e38\u3001private\u30e1\u30bd\u30c3\u30c9\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u307e\u3059\u3002<br>\u3053\u308c\u306b\u3088\u308a\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u5916\u304b\u3089\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u76f4\u63a5\u547c\u3073\u51fa\u3055\u308c\u308b\u3053\u3068\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u307b\u3069\u306e\u4f8b\u3092\u7d9a\u3051\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class UsersController &lt; ApplicationController\n  before_action :authenticate_user\n\n  # \u5404\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u5b9a\u7fa9...\n\n  private\n\n  def authenticate_user\n    redirect_to login_path unless current_user\n  end\nend<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e<code>authenticate_user<\/code>\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u307e\u3059\u3002<br><code>current_user<\/code>\u30e1\u30bd\u30c3\u30c9\u306f\u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3059\uff08\u5b9f\u88c5\u65b9\u6cd5\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u30b9\u30c6\u30c3\u30d73\uff1a\u9069\u7528\u7bc4\u56f2\u3092\u5236\u5fa1\u3059\u308b\uff08only, except\u30aa\u30d7\u30b7\u30e7\u30f3\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>before_action<\/code>\u306e\u5f37\u529b\u306a\u6a5f\u80fd\u306e1\u3064\u306f\u3001\u9069\u7528\u7bc4\u56f2\u3092\u7d30\u304b\u304f\u5236\u5fa1\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002<br>\u5168\u3066\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u5834\u5408\u3001<code>only<\/code>\u30aa\u30d7\u30b7\u30e7\u30f3\u3084<code>except<\/code>\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u7279\u5b9a\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u306e\u307f\u9069\u7528\u3057\u305f\u308a\u3001\u7279\u5b9a\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u9664\u5916\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>only<\/code>\u30aa\u30d7\u30b7\u30e7\u30f3\uff1a\u6307\u5b9a\u3057\u305f\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u306e\u307f<code>before_action<\/code>\u3092\u9069\u7528<\/li>\n\n\n\n<li><code>except<\/code>\u30aa\u30d7\u30b7\u30e7\u30f3\uff1a\u6307\u5b9a\u3057\u305f\u30a2\u30af\u30b7\u30e7\u30f3\u4ee5\u5916\u306b<code>before_action<\/code>\u3092\u9069\u7528<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3092\u4ee5\u4e0b\u306b\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class UsersController &lt; ApplicationController\n  before_action :set_user, only: [:show, :edit, :update, :destroy]\n  before_action :require_login, except: [:index, :show]\n\n  # \u5404\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u5b9a\u7fa9...\n\n  private\n\n  def set_user\n    @user = User.find(params[:id])\n  end\n\n  def require_login\n    redirect_to login_path unless current_user\n  end\nend<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8a18\u30b3\u30fc\u30c9\u306e\u89e3\u8aac\u306f\u4ee5\u4e0b\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>set_user<\/code>\u30e1\u30bd\u30c3\u30c9\u306f\u3001<code>show<\/code>\u3001<code>edit<\/code>\u3001<code>update<\/code>\u3001<code>destroy<\/code>\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u524d\u306b\u306e\u307f\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>require_login<\/code>\u30e1\u30bd\u30c3\u30c9\u306f\u3001<code>index<\/code>\u3068<code>show<\/code>\u30a2\u30af\u30b7\u30e7\u30f3\u4ee5\u5916\u306e\u5168\u3066\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u524d\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u5fc5\u8981\u306a\u5834\u6240\u3067\u306e\u307f<code>before_action<\/code>\u3092\u5b9f\u884c\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0a\u306e3\u30b9\u30c6\u30c3\u30d7\u3092\u7406\u89e3\u3057\u3001\u5b9f\u8df5\u3059\u308b\u3053\u3068\u3067\u3001<code>before_action<\/code>\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u30de\u30b9\u30bf\u30fc\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3088\u308a\u5b9f\u8df5\u7684\u306a<code>before_action<\/code>\u306e\u6d3b\u7528\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<br>\u3053\u308c\u3089\u306e\u4f8b\u3092\u901a\u3058\u3066\u3001\u3042\u306a\u305f\u306eRails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u3001\u305d\u3057\u3066\u30a8\u30ec\u30ac\u30f3\u30c8\u306b\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n<h2 class=\"wp-block-sgb-headings sgb-heading\" id=\"i-7\"><span class=\"sgb-heading__inner sgb-heading--type1 with-icon\" style=\"background-color:transparent;border-color:transparent;font-size:1.2em\"><i class=\"fa fa-check\" style=\"color:var(--wp--preset--color--sango-main)\"><\/i><span class=\"sgb-heading__text\" style=\"color:#333\">3. 5\u3064\u306e\u5b9f\u8df5\u7684\u306abefore_action\u6d3b\u7528\u4f8b<\/span><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>before_action<\/code>\u306e\u57fa\u672c\u3092\u7406\u89e3\u3057\u305f\u3068\u3053\u308d\u3067\u3001\u5b9f\u969b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3067\u3069\u306e\u3088\u3046\u306b\u6d3b\u7528\u3067\u304d\u308b\u306e\u304b\u30015\u3064\u306e\u5b9f\u8df5\u7684\u306a\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<br>\u3053\u308c\u3089\u306e\u4f8b\u3092\u901a\u3058\u3066\u3001<code>before_action<\/code>\u306e\u5a01\u529b\u3092\u5b9f\u611f\u3057\u3001\u81ea\u5206\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u9069\u7528\u3059\u308b\u30d2\u30f3\u30c8\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-8\">\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\uff1a\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u304f\u306e\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u7279\u5b9a\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u524d\u306b\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br><code>before_action<\/code>\u3092\u4f7f\u3048\u3070\u3001\u3053\u306e\u51e6\u7406\u3092\u7c21\u5358\u306b\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class PostsController &lt; ApplicationController\n  before_action :authenticate_user!, except: [:index, :show]\n\n  # \u5404\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u5b9a\u7fa9...\n\n  private\n\n  def authenticate_user!\n    redirect_to login_path, alert: '\u30ed\u30b0\u30a4\u30f3\u304c\u5fc5\u8981\u3067\u3059' unless current_user\n  end\nend<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>index<\/code>\u3068<code>show<\/code>\u30a2\u30af\u30b7\u30e7\u30f3\u4ee5\u5916\u306e\u5168\u3066\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u5bfe\u3057\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002<br>\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u3001\u30a2\u30e9\u30fc\u30c8\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#b4e0fa;color:#009EF3\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#009EF3\"><i class=\"far fa-thumbs-up\"><\/i><\/span><div class=\"sng-box-msg__title\">\u4e0a\u8a18\u624b\u6cd5\u306e\u30e1\u30ea\u30c3\u30c8<\/div><\/div><div class=\"sng-box-msg__contents\">\n<ul class=\"wp-block-list\">\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5411\u4e0a<\/strong>\uff1a\u672a\u8a8d\u8a3c\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u308b\u4e0d\u6b63\u306a\u30a2\u30af\u30bb\u30b9\u3092\u9632\u3050<\/li>\n\n\n\n<li><strong>\u30b3\u30fc\u30c9\u306e\u91cd\u8907\u3092\u524a\u6e1b<\/strong>\uff1a\u5404\u30a2\u30af\u30b7\u30e7\u30f3\u3067\u500b\u5225\u306b\u8a8d\u8a3c\u30c1\u30a7\u30c3\u30af\u3092\u66f8\u304f\u5fc5\u8981\u304c\u306a\u3044<\/li>\n<\/ul>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#ffebeb;color:#f88080\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#f88080\"><i class=\"fas fa-exclamation\"><\/i><\/span><div class=\"sng-box-msg__title\">\u4e0a\u8a18\u624b\u6cd5\u306e\u6ce8\u610f\u70b9<\/div><\/div><div class=\"sng-box-msg__contents\">\n<ul class=\"wp-block-list\">\n<li>\u30d1\u30d6\u30ea\u30c3\u30af\u306a\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u306f<code>except<\/code>\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u4e0d\u8981\u306a\u8a8d\u8a3c\u3092\u907f\u3051\u308b<\/li>\n<\/ul>\n<\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u30c7\u30fc\u30bf\u306e\u4e8b\u524d\u30ed\u30fc\u30c9\uff1aN+1\u554f\u984c\u3092\u56de\u907f\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u95a2\u9023\u3059\u308b\u30c7\u30fc\u30bf\u3092\u4e8b\u524d\u306b\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u3067\u3001\u3044\u308f\u3086\u308bN+1\u554f\u984c\u3092\u56de\u907f\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\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<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class PostsController &lt; ApplicationController\n  before_action :load_posts, only: [:index]\n\n  def index\n    # @posts\u3092\u4f7f\u7528\u3059\u308b\u51e6\u7406\n  end\n\n  private\n\n  def load_posts\n    @posts = Post.includes(:author, :comments).all\n  end\nend<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>index<\/code>\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u5b9f\u884c\u3055\u308c\u308b\u524d\u306b\u3001\u6295\u7a3f\u3068\u305d\u308c\u306b\u95a2\u9023\u3059\u308b\u8457\u8005\u3068\u30b3\u30e1\u30f3\u30c8\u3092\u4e00\u5ea6\u306e\u30af\u30a8\u30ea\u3067\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#b4e0fa;color:#009EF3\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#009EF3\"><i class=\"far fa-thumbs-up\"><\/i><\/span><div class=\"sng-box-msg__title\">\u4e0a\u8a18\u624b\u6cd5\u306e\u30e1\u30ea\u30c3\u30c8<\/div><\/div><div class=\"sng-box-msg__contents\">\n<ul class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a\uff1a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u30af\u30a8\u30ea\u56de\u6570\u3092\u6e1b\u3089\u3059<\/li>\n\n\n\n<li>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u5411\u4e0a\uff1a\u30c7\u30fc\u30bf\u53d6\u5f97\u30ed\u30b8\u30c3\u30af\u3092\u30a2\u30af\u30b7\u30e7\u30f3\u304b\u3089\u5206\u96e2<\/li>\n<\/ul>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#ffebeb;color:#f88080\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#f88080\"><i class=\"fas fa-exclamation\"><\/i><\/span><div class=\"sng-box-msg__title\">\u4e0a\u8a18\u624b\u6cd5\u306e\u6ce8\u610f\u70b9<\/div><\/div><div class=\"sng-box-msg__contents\">\n<ul class=\"wp-block-list\">\n<li>\u5fc5\u8981\u4ee5\u4e0a\u306e\u30c7\u30fc\u30bf\u3092\u30ed\u30fc\u30c9\u3057\u306a\u3044\u3088\u3046\u6ce8\u610f\u3059\u308b<\/li>\n<\/ul>\n<\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\uff1a\u4e0d\u6b63\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5f3e\u304f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u5b9f\u884c\u3055\u308c\u308b\u524d\u306b\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u59a5\u5f53\u6027\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u4e0d\u6b63\u306a\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class PostsController &lt; ApplicationController\n  before_action :validate_params, only: [:create, :update]\n\n  # \u5404\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u5b9a\u7fa9...\n\n  private\n\n  def validate_params\n    unless params[:post] &amp;&amp; params[:post][:title].present?\n      render json: { error: '\u30bf\u30a4\u30c8\u30eb\u306f\u5fc5\u9808\u3067\u3059' }, status: :unprocessable_entity\n    end\n  end\nend<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>create<\/code>\u3068<code>update<\/code>\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u524d\u306b\u3001\u5fc5\u9808\u30d1\u30e9\u30e1\u30fc\u30bf\uff08\u3053\u306e\u5834\u5408\u306f\u6295\u7a3f\u306e\u30bf\u30a4\u30c8\u30eb\uff09\u304c\u5b58\u5728\u3059\u308b\u304b\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#b4e0fa;color:#009EF3\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#009EF3\"><i class=\"far fa-thumbs-up\"><\/i><\/span><div class=\"sng-box-msg__title\">\u4e0a\u8a18\u624b\u6cd5\u306e\u30e1\u30ea\u30c3\u30c8<\/div><\/div><div class=\"sng-box-msg__contents\">\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u4fdd\u3064\uff1a\u4e0d\u6b63\u306a\u30c7\u30fc\u30bf\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3055\u308c\u308b\u306e\u3092\u9632\u3050<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u306e\u65e9\u671f\u691c\u51fa\uff1a\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u672c\u4f53\u3067\u8907\u96d1\u306a\u51e6\u7406\u3092\u884c\u3046\u524d\u306b\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u554f\u984c\u3092\u691c\u51fa\u3067\u304d\u308b<\/li>\n<\/ul>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#ffebeb;color:#f88080\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#f88080\"><i class=\"fas fa-exclamation\"><\/i><\/span><div class=\"sng-box-msg__title\">\u4e0a\u8a18\u624b\u6cd5\u306e\u6ce8\u610f\u70b9<\/div><\/div><div class=\"sng-box-msg__contents\">\n<ul class=\"wp-block-list\">\n<li>\u8907\u96d1\u306a\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306f\u30e2\u30c7\u30eb\u30ec\u30d9\u30eb\u3067\u884c\u3046\u3053\u3068\u3082\u691c\u8a0e\u3059\u308b<\/li>\n<\/ul>\n<\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u30d3\u30e5\u30fc\u306e\u5171\u901a\u5909\u6570\u8a2d\u5b9a\uff1a\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u52d5\u7684\u306b\u5909\u66f4\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30da\u30fc\u30b8\u306e\u30bf\u30a4\u30c8\u30eb\u3084\u30e1\u30bf\u30c7\u30fc\u30bf\u306a\u3069\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u95a2\u308f\u308b\u5171\u901a\u306e\u5909\u6570\u3092\u8a2d\u5b9a\u3059\u308b\u306e\u306b<code>before_action<\/code>\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class ApplicationController &lt; ActionController::Base\n  before_action :set_meta_tags\n\n  private\n\n  def set_meta_tags\n    @page_title = '\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30bf\u30a4\u30c8\u30eb'\n    @page_description = '\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u8aac\u660e'\n  end\nend<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f8b\u3067\u306f\u3001<code>ApplicationController<\/code>\u3067<code>before_action<\/code>\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u5168\u3066\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3067\u5171\u901a\u3057\u3066\u9069\u7528\u3055\u308c\u307e\u3059\u3002<br>\u5404\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3084\u30a2\u30af\u30b7\u30e7\u30f3\u3067\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u3053\u308c\u3089\u306e\u5909\u6570\u3092\u4e0a\u66f8\u304d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#b4e0fa;color:#009EF3\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#009EF3\"><i class=\"far fa-thumbs-up\"><\/i><\/span><div class=\"sng-box-msg__title\">\u4e0a\u8a18\u624b\u6cd5\u306e\u30e1\u30ea\u30c3\u30c8<\/div><\/div><div class=\"sng-box-msg__contents\">\n<ul class=\"wp-block-list\">\n<li>DRY\u306a\u5b9f\u88c5\uff1a\u5171\u901a\u306e\u8a2d\u5b9a\u3092\u4e00\u7b87\u6240\u3067\u7ba1\u7406\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u67d4\u8edf\u6027\uff1a\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u8a2d\u5b9a\u3057\u3064\u3064\u3001\u500b\u5225\u306e\u30da\u30fc\u30b8\u3067\u5bb9\u6613\u306b\u4e0a\u66f8\u304d\u3067\u304d\u308b<\/li>\n<\/ul>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#ffebeb;color:#f88080\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#f88080\"><i class=\"fas fa-exclamation\"><\/i><\/span><div class=\"sng-box-msg__title\">\u4e0a\u8a18\u624b\u6cd5\u306e\u6ce8\u610f\u70b9<\/div><\/div><div class=\"sng-box-msg__contents\">\n<ul class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u3092\u8003\u616e\u3057\u3001\u672c\u5f53\u306b\u5168\u3066\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3067\u5fc5\u8981\u306a\u51e6\u7406\u304b\u3069\u3046\u304b\u691c\u8a0e\u3059\u308b<\/li>\n<\/ul>\n<\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u306e\u30c1\u30a7\u30c3\u30af\uff1a\u9069\u5207\u306a\u8a8d\u53ef\u3092\u5b9f\u88c5\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e6\u30fc\u30b6\u30fc\u304c\u7279\u5b9a\u306e\u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u6a29\u9650\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u306e\u306b<code>before_action<\/code>\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class PostsController &lt; ApplicationController\n  before_action :authorize_user, only: [:edit, :update, :destroy]\n\n  # \u5404\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u5b9a\u7fa9...\n\n  private\n\n  def authorize_user\n    @post = Post.find(params[:id])\n    unless current_user &amp;&amp; current_user.can_edit?(@post)\n      redirect_to root_path, alert: '\u6a29\u9650\u304c\u3042\u308a\u307e\u305b\u3093'\n    end\n  end\nend<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>edit<\/code>\u3001<code>update<\/code>\u3001<code>destroy<\/code>\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u5b9f\u884c\u3055\u308c\u308b\u524d\u306b\u3001\u73fe\u5728\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u5bfe\u8c61\u306e\u6295\u7a3f\u3092\u7de8\u96c6\u3059\u308b\u6a29\u9650\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u307e\u3059\u3002<br>\u6a29\u9650\u304c\u306a\u3044\u5834\u5408\u306f\u3001\u30eb\u30fc\u30c8\u30d1\u30b9\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u3001\u8b66\u544a\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#b4e0fa;color:#009EF3\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#009EF3\"><i class=\"far fa-thumbs-up\"><\/i><\/span><div class=\"sng-box-msg__title\">\u4e0a\u8a18\u624b\u6cd5\u306e\u30e1\u30ea\u30c3\u30c8<\/div><\/div><div class=\"sng-box-msg__contents\">\n<ul class=\"wp-block-list\">\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5411\u4e0a\uff1a\u672a\u8a8d\u53ef\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u308b\u30ea\u30bd\u30fc\u30b9\u306e\u5909\u66f4\u3084\u524a\u9664\u3092\u9632\u3050<\/li>\n\n\n\n<li>\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306e\u96c6\u4e2d\u7ba1\u7406\uff1a\u8a8d\u53ef\u30ed\u30b8\u30c3\u30af\u3092\u4e00\u7b87\u6240\u306b\u307e\u3068\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/li>\n<\/ul>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#ffebeb;color:#f88080\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#f88080\"><i class=\"fas fa-exclamation\"><\/i><\/span><div class=\"sng-box-msg__title\">\u4e0a\u8a18\u624b\u6cd5\u306e\u6ce8\u610f\u70b9<\/div><\/div><div class=\"sng-box-msg__contents\">\n<ul class=\"wp-block-list\">\n<li><code>can_edit?<\/code>\u30e1\u30bd\u30c3\u30c9\u306f\u5225\u9014\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff08\u4f8b\uff1a\u30e6\u30fc\u30b6\u30fc\u30e2\u30c7\u30eb\u306b\u5b9a\u7fa9\uff09<\/li>\n\n\n\n<li>\u8907\u96d1\u306a\u8a8d\u53ef\u30ed\u30b8\u30c3\u30af\u306e\u5834\u5408\u306f\u3001\u5c02\u7528\u306egem\u306e\u4f7f\u7528\u3092\u691c\u8a0e\u3059\u308b\uff08\u4f8b\uff1aCanCanCan\u3001Pundit\uff09<\/li>\n<\/ul>\n<\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e5\u3064\u306e\u5b9f\u8df5\u7684\u306a<code>before_action<\/code>\u306e\u6d3b\u7528\u4f8b\u3092\u901a\u3058\u3066\u3001Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u54c1\u8cea\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u91cd\u8981\u306a\u306e\u306f\u3001\u5404\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8981\u4ef6\u306b\u5408\u308f\u305b\u3066\u9069\u5207\u306b<code>before_action<\/code>\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001<code>before_action<\/code>\u4f7f\u7528\u6642\u306e\u6ce8\u610f\u70b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002<br>\u3053\u308c\u3089\u306e\u77e5\u8b58\u3092\u8eab\u306b\u3064\u3051\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u52b9\u679c\u7684\u306b<code>before_action<\/code>\u3092\u6d3b\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-sgb-headings sgb-heading\" id=\"i-13\"><span class=\"sgb-heading__inner sgb-heading--type1 with-icon\" style=\"background-color:transparent;border-color:transparent;font-size:1.2em\"><i class=\"fa fa-check\" style=\"color:var(--wp--preset--color--sango-main)\"><\/i><span class=\"sgb-heading__text\" style=\"color:#333\">4. before_action\u4f7f\u7528\u6642\u306e\u6ce8\u610f\u70b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/span><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>before_action<\/code>\u306f\u975e\u5e38\u306b\u5f37\u529b\u3067\u4fbf\u5229\u306a\u6a5f\u80fd\u3067\u3059\u304c\u3001\u9069\u5207\u306b\u4f7f\u7528\u3057\u306a\u3044\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3084\u4fdd\u5b88\u6027\u306b\u60aa\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<br>\u3053\u3053\u3067\u306f\u3001<code>before_action<\/code>\u4f7f\u7528\u6642\u306e\u4e3b\u8981\u306a\u6ce8\u610f\u70b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\uff1a\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u51e6\u7406\u3092\u5fc3\u304c\u3051\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>before_action<\/code>\u306f\u6307\u5b9a\u3057\u305f\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u5b9f\u884c\u3055\u308c\u308b\u524d\u306b\u5fc5\u305a\u5b9f\u884c\u3055\u308c\u308b\u305f\u3081\u3001\u91cd\u3044\u51e6\u7406\u3084\u4e0d\u5fc5\u8981\u306a\u51e6\u7406\u3092\u542b\u3081\u308b\u3068\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5168\u4f53\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a<code>before_action<\/code>\u306f\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class PostsController &lt; ApplicationController\n  before_action :load_all_data\n\n  private\n\n  def load_all_data\n    @users = User.all\n    @posts = Post.all\n    @comments = Comment.all\n  end\nend<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u5168\u3066\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u524d\u306b\u5168\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u3001\u6295\u7a3f\u3001\u30b3\u30e1\u30f3\u30c8\u3092\u8aad\u307f\u8fbc\u3093\u3067\u3044\u307e\u3059\u3002<br>\u3053\u308c\u306f\u660e\u3089\u304b\u306b\u975e\u52b9\u7387\u3067\u3001\u591a\u304f\u306e\u30b1\u30fc\u30b9\u3067\u4e0d\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a2\u30af\u30bb\u30b9\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:var(--sgb-pastel-color);color:#009EF3\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#009EF3\"><i class=\"far fa-lightbulb\"><\/i><\/span><div class=\"sng-box-msg__title\">\u89e3\u6c7a\u7b56<\/div><\/div><div class=\"sng-box-msg__contents\">\n<ol class=\"wp-block-list\">\n<li>\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u51e6\u7406\u306e\u307f\u3092<code>before_action<\/code>\u306b\u542b\u3081\u308b<\/li>\n\n\n\n<li><code>only<\/code>\u3084<code>except<\/code>\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u9069\u5207\u306b\u4f7f\u7528\u3057\u3066\u3001\u7279\u5b9a\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3067\u306e\u307f\u5b9f\u884c\u3055\u308c\u308b\u3088\u3046\u306b\u3059\u308b<\/li>\n\n\n\n<li>\u91cd\u3044\u51e6\u7406\u306f\u975e\u540c\u671f\u30b8\u30e7\u30d6\u306b\u5207\u308a\u51fa\u3059\u3053\u3068\u3092\u691c\u8a0e\u3059\u308b<\/li>\n<\/ol>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#fff9e6;color:#ffb36b\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#ffb36b\"><i class=\"fas fa-pencil-alt\"><\/i><\/span><div class=\"sng-box-msg__title\">\u6539\u5584\u4f8b<\/div><\/div><div class=\"sng-box-msg__contents\">\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class PostsController &lt; ApplicationController\n  before_action :load_recent_posts, only: [:index, :show]\n\n  private\n\n  def load_recent_posts\n    @recent_posts = Post.order(created_at: :desc).limit(5)\n  end\nend<\/pre>\n<\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">\u9806\u5e8f\u306e\u91cd\u8981\u6027\uff1a\u8907\u6570\u306ebefore_action\u306e\u5b9f\u884c\u9806\u5e8f\u3092\u7406\u89e3\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8907\u6570\u306e<code>before_action<\/code>\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u5b9f\u884c\u9806\u5e8f\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<br><code>before_action<\/code>\u306f\u5b9a\u7fa9\u3055\u308c\u305f\u9806\u5e8f\u3067\u5b9f\u884c\u3055\u308c\u308b\u305f\u3081\u3001\u4f9d\u5b58\u95a2\u4fc2\u306e\u3042\u308b\u51e6\u7406\u304c\u3042\u308b\u5834\u5408\u306f\u7279\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u554f\u984c\u306e\u3042\u308b\u4f8b\u3068\u3057\u3066\u306f\u4ee5\u4e0b\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class PostsController &lt; ApplicationController\n  before_action :check_permission\n  before_action :set_post\n\n  private\n\n  def check_permission\n    redirect_to root_path unless @post.can_be_edited_by?(current_user)\n  end\n\n  def set_post\n    @post = Post.find(params[:id])\n  end\nend<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f8b\u3067\u306f\u3001<code>check_permission<\/code>\u304c<code>set_post<\/code>\u3088\u308a\u3082\u5148\u306b\u5b9f\u884c\u3055\u308c\u308b\u305f\u3081\u3001<code>@post<\/code>\u304c\u307e\u3060\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u72b6\u614b\u3067\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u30c1\u30a7\u30c3\u30af\u304c\u884c\u308f\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:var(--sgb-pastel-color);color:#009EF3\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#009EF3\"><i class=\"far fa-lightbulb\"><\/i><\/span><div class=\"sng-box-msg__title\">\u89e3\u6c7a\u7b56<\/div><\/div><div class=\"sng-box-msg__contents\">\n<p class=\"wp-block-paragraph\">\u4f9d\u5b58\u95a2\u4fc2\u3092\u8003\u616e\u3057\u3066\u3001\u9069\u5207\u306a\u9806\u5e8f\u3067<code>before_action<\/code>\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#fff9e6;color:#ffb36b\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#ffb36b\"><i class=\"fas fa-pencil-alt\"><\/i><\/span><div class=\"sng-box-msg__title\">\u6539\u5584\u4f8b<\/div><\/div><div class=\"sng-box-msg__contents\">\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class PostsController &lt; ApplicationController\n  before_action :set_post\n  before_action :check_permission\n\n  private\n\n  def set_post\n    @post = Post.find(params[:id])\n  end\n\n  def check_permission\n    redirect_to root_path unless @post.can_be_edited_by?(current_user)\n  end\nend<\/pre>\n<\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-16\">\u7d99\u627f\u6642\u306e\u6319\u52d5\uff1a\u89aa\u5b50\u95a2\u4fc2\u306b\u3042\u308b\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3067\u306e\u52d5\u4f5c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>before_action<\/code>\u306f\u7d99\u627f\u3055\u308c\u308b\u305f\u3081\u3001\u89aa\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3067\u5b9a\u7fa9\u3057\u305f<code>before_action<\/code>\u304c\u4e88\u671f\u305b\u305a\u5b50\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<br>\u3053\u308c\u306f\u7279\u306b<code>ApplicationController<\/code>\u3067\u5b9a\u7fa9\u3057\u305f<code>before_action<\/code>\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u554f\u984c\u306e\u3042\u308b\u4f8b\u3068\u3057\u3066\u306f\u4ee5\u4e0b\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class ApplicationController &lt; ActionController::Base\n  before_action :require_login\nend\n\nclass PublicController &lt; ApplicationController\n  # PublicController\u306e\u5168\u30a2\u30af\u30b7\u30e7\u30f3\u3067\u3082\u30ed\u30b0\u30a4\u30f3\u304c\u5fc5\u8981\u306b\u306a\u3063\u3066\u3057\u307e\u3046\nend<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f8b\u3067\u306f\u3001<code>ApplicationController<\/code>\u3067\u5b9a\u7fa9\u3057\u305f<code>require_login<\/code>\u304c<code>PublicController<\/code>\u306b\u3082\u7d99\u627f\u3055\u308c\u3066\u3057\u307e\u3044\u3001\u516c\u958b\u30da\u30fc\u30b8\u3067\u3082\u4e0d\u8981\u306a\u30ed\u30b0\u30a4\u30f3\u30c1\u30a7\u30c3\u30af\u304c\u884c\u308f\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:var(--sgb-pastel-color);color:#009EF3\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#009EF3\"><i class=\"far fa-lightbulb\"><\/i><\/span><div class=\"sng-box-msg__title\">\u89e3\u6c7a\u7b56<\/div><\/div><div class=\"sng-box-msg__contents\">\n<ol class=\"wp-block-list\">\n<li><code>skip_before_action<\/code>\u3092\u4f7f\u7528\u3057\u3066\u3001\u7279\u5b9a\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3084\u30a2\u30af\u30b7\u30e7\u30f3\u3067<code>before_action<\/code>\u3092\u30b9\u30ad\u30c3\u30d7\u3059\u308b<\/li>\n\n\n\n<li><code>before_action<\/code>\u306e\u30b9\u30b3\u30fc\u30d7\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3057\u3001\u5fc5\u8981\u306a\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3067\u306e\u307f\u5b9a\u7fa9\u3059\u308b<\/li>\n<\/ol>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#fff9e6;color:#ffb36b\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#ffb36b\"><i class=\"fas fa-pencil-alt\"><\/i><\/span><div class=\"sng-box-msg__title\">\u6539\u5584\u4f8b<\/div><\/div><div class=\"sng-box-msg__contents\">\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class ApplicationController &lt; ActionController::Base\n  before_action :set_locale\nend\n\nclass PrivateController &lt; ApplicationController\n  before_action :require_login\nend\n\nclass PublicController &lt; ApplicationController\n  # \u30ed\u30b0\u30a4\u30f3\u30c1\u30a7\u30c3\u30af\u306f\u884c\u308f\u308c\u306a\u3044\nend<\/pre>\n<\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0a\u306e\u6ce8\u610f\u70b9\u3092\u8e0f\u307e\u3048\u3001<code>before_action<\/code>\u3092\u52b9\u679c\u7684\u306b\u4f7f\u7528\u3059\u308b\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u77ed\u304f\u3001\u96c6\u4e2d\u3057\u305f\u51e6\u7406\u306b\u7559\u3081\u308b<\/strong>\uff1a<code>before_action<\/code>\u306e\u4e2d\u3067\u306f\u3001\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u51e6\u7406\u306e\u307f\u3092\u884c\u3044\u307e\u3057\u3087\u3046\u3002<\/li>\n\n\n\n<li><strong>\u8907\u96d1\u306a\u30ed\u30b8\u30c3\u30af\u306f\u5225\u306e\u30e1\u30bd\u30c3\u30c9\u306b\u5207\u308a\u51fa\u3059<\/strong>\uff1a<code>before_action<\/code>\u306e\u4e2d\u3067\u76f4\u63a5\u8907\u96d1\u306a\u51e6\u7406\u3092\u884c\u3046\u306e\u3067\u306f\u306a\u304f\u3001\u5225\u306e\u30e1\u30bd\u30c3\u30c9\u306b\u5207\u308a\u51fa\u3059\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u4fdd\u5b88\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u3092\u5e38\u306b\u610f\u8b58\u3059\u308b<\/strong>\uff1a\u7279\u306b\u5168\u3066\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u9069\u7528\u3055\u308c\u308b<code>before_action<\/code>\u3067\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u3092\u614e\u91cd\u306b\u8003\u616e\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\n\n\n\n<li><strong>\u30c6\u30b9\u30c8\u3067before_action\u306e\u6319\u52d5\u3092\u78ba\u8a8d\u3059\u308b<\/strong>\uff1a<code>before_action<\/code>\u306e\u52d5\u4f5c\u3092\u78ba\u8a8d\u3059\u308b\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u3084\u30a4\u30f3\u30c6\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\u3092\u66f8\u304f\u3053\u3068\u3067\u3001\u610f\u56f3\u3057\u306a\u3044\u6319\u52d5\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u9069\u5207\u306a\u4f8b\u5916\u51e6\u7406\u3092\u884c\u3046<\/strong>\uff1a<code>before_action<\/code>\u5185\u3067\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306e\u9069\u5207\u306a\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3092\u8003\u616e\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\n\n\n\n<li><strong>only\u3068except\u3092\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b<\/strong>\uff1a\u5168\u3066\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3067<code>before_action<\/code>\u304c\u5fc5\u8981\u306a\u3044\u5834\u5408\u306f\u3001<code>only<\/code>\u3084<code>except<\/code>\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u9069\u7528\u7bc4\u56f2\u3092\u5236\u9650\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\n\n\n\n<li><strong>\u7d99\u627f\u3092\u610f\u8b58\u3059\u308b<\/strong>\uff1a\u89aa\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3067\u5b9a\u7fa9\u3057\u305f<code>before_action<\/code>\u304c\u5b50\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u304b\u5e38\u306b\u610f\u8b58\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u6ce8\u610f\u70b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u610f\u8b58\u3059\u308b\u3053\u3068\u3067\u3001<code>before_action<\/code>\u3092\u3088\u308a\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3057\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u306e\u9ad8\u3044\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u826f\u3044Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3055\u3089\u306b\u9032\u3093\u3060<code>before_action<\/code>\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-sgb-headings sgb-heading\" id=\"i-18\"><span class=\"sgb-heading__inner sgb-heading--type1 with-icon\" style=\"background-color:transparent;border-color:transparent;font-size:1.2em\"><i class=\"fa fa-check\" style=\"color:var(--wp--preset--color--sango-main)\"><\/i><span class=\"sgb-heading__text\" style=\"color:#333\">5. before_action\u306e\u5fdc\u7528\uff1a\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/span><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>before_action<\/code>\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u7406\u89e3\u3057\u305f\u3068\u3053\u308d\u3067\u3001\u3055\u3089\u306b\u4e00\u6b69\u9032\u3093\u3067\u3001\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3064\u3044\u3066\u63a2\u3063\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<br>\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u67d4\u8edf\u3067\u5f37\u529b\u306a\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306e\u51e6\u7406\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u72ec\u81ea\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u6210\u3057\u3066\u30b3\u30fc\u30c9\u3092\u3055\u3089\u306b\u6574\u7406\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u306f\u3001<code>before_action<\/code>\u3001<code>after_action<\/code>\u3001<code>around_action<\/code>\u306a\u3069\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u6a5f\u80fd\u3092\u62e1\u5f35\u3057\u3066\u3001\u72ec\u81ea\u306e\u51e6\u7406\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5229\u70b9\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u6027\u306e\u5411\u4e0a<\/li>\n\n\n\n<li>\u8907\u96d1\u306a\u51e6\u7406\u306e\u62bd\u8c61\u5316<\/li>\n\n\n\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5168\u4f53\u3067\u306e\u4e00\u8cab\u6027\u306e\u78ba\u4fdd<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f5c\u6210\u3059\u308b\u624b\u9806\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d5\u30a3\u30eb\u30bf\u30fc\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b<\/li>\n\n\n\n<li><code>before_action<\/code>\u3067\u30d5\u30a3\u30eb\u30bf\u30fc\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001API\u30ad\u30fc\u306e\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3046\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f5c\u6210\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class ApiController &lt; ApplicationController\n  before_action :check_api_key, only: [:create, :update, :destroy]\n\n  private\n\n  def check_api_key\n    unless valid_api_key?(request.headers['X-API-Key'])\n      render json: { error: 'Invalid API key' }, status: :unauthorized\n    end\n  end\n\n  def valid_api_key?(key)\n    # API\u30ad\u30fc\u306e\u691c\u8a3c\u30ed\u30b8\u30c3\u30af\n    # ...\n  end\nend<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>check_api_key<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u72ec\u81ea\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u3001\u7279\u5b9a\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u5bfe\u3057\u3066\u306e\u307f\u9069\u7528\u3057\u3066\u3044\u307e\u3059\u3002<br>\u3053\u308c\u306b\u3088\u308a\u3001API\u30ad\u30fc\u306e\u691c\u8a3c\u30ed\u30b8\u30c3\u30af\u3092\u4e00\u7b87\u6240\u306b\u307e\u3068\u3081\u3001\u5fc5\u8981\u306a\u30a2\u30af\u30b7\u30e7\u30f3\u3067\u306e\u307f\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-20\">around_action\u3068\u306e\u4f7f\u3044\u5206\u3051\uff1a\u3088\u308a\u67d4\u8edf\u306a\u5236\u5fa1\u3092\u5b9f\u73fe\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>around_action<\/code>\u306f\u3001<code>before_action<\/code>\u3068<code>after_action<\/code>\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u3088\u3046\u306a\u52d5\u4f5c\u3092\u3059\u308b\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u3059\u3002<br>\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u524d\u5f8c\u3067\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u3001\u3088\u308a\u67d4\u8edf\u306a\u5236\u5fa1\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>around_action<\/code>\u306e\u57fa\u672c\u7684\u306a\u69cb\u9020\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class ApplicationController &lt; ActionController::Base\n  around_action :set_time_zone\n\n  private\n\n  def set_time_zone\n    Time.use_zone(current_user.time_zone) { yield }\n  end\nend<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f8b\u3067\u306f\u3001\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u5b9f\u884c\u524d\u306b\u30e6\u30fc\u30b6\u30fc\u306e\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u3092\u8a2d\u5b9a\u3057\u3001\u30a2\u30af\u30b7\u30e7\u30f3\u5b9f\u884c\u5f8c\u306b\u5143\u306e\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u306b\u623b\u3057\u3066\u3044\u307e\u3059\u3002<br><code>yield<\/code>\u304c\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u5b9f\u884c\u3092\u8868\u3057\u3066\u304a\u308a\u3001\u3053\u308c\u3092\u5883\u306b\u524d\u5f8c\u306e\u51e6\u7406\u3092\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>around_action<\/code>\u306e\u6d3b\u7528\u4f8b\u3092\u3044\u304f\u3064\u304b\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-21\">\u30ed\u30b0\u8a18\u9332<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u5b9f\u884c\u6642\u9593\u3092\u8a08\u6e2c\u3057\u3001\u30ed\u30b0\u306b\u8a18\u9332\u3059\u308b\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class ApplicationController &lt; ActionController::Base\n  around_action :log_execution_time\n\n  private\n\n  def log_execution_time\n    start_time = Time.now\n    yield\n    end_time = Time.now\n    Rails.logger.info(\"Action executed in #{end_time - start_time} seconds\")\n  end\nend<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/dexall.co.jp\/articles\/wp-admin\/edit.php?post_type=post\"><\/a><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-22\">\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u81ea\u52d5\u7684\u306b\u7ba1\u7406\u3059\u308b\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class PostsController &lt; ApplicationController\n  around_action :manage_transaction, only: [:create, :update, :destroy]\n\n  private\n\n  def manage_transaction\n    ActiveRecord::Base.transaction do\n      yield\n    end\n  rescue ActiveRecord::RecordInvalid\n    render json: { error: 'Transaction failed' }, status: :unprocessable_entity\n  end\nend<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u4f8b\u304b\u3089\u5206\u304b\u308b\u3088\u3046\u306b\u3001<code>around_action<\/code>\u306f<code>before_action<\/code>\u3088\u308a\u3082\u67d4\u8edf\u306a\u5236\u5fa1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<br>\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u524d\u5f8c\u3067\u95a2\u9023\u3059\u308b\u51e6\u7406\u3092\u884c\u3044\u305f\u3044\u5834\u5408\u3084\u3001\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u5b9f\u884c\u3092\u5305\u62ec\u7684\u306b\u7ba1\u7406\u3057\u305f\u3044\u5834\u5408\u306b\u7279\u306b\u6709\u7528\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u3068<code>before_action<\/code>\uff08\u304a\u3088\u3073<code>around_action<\/code>\uff09\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5229\u70b9\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b3\u30fc\u30c9\u306e\u6574\u7406\uff1a\u5171\u901a\u306e\u51e6\u7406\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u307e\u3068\u3081\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u304c\u30b9\u30c3\u30ad\u30ea\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u67d4\u8edf\u6027\u306e\u5411\u4e0a\uff1a\u8907\u96d1\u306a\u6761\u4ef6\u5206\u5c90\u3084\u4f8b\u5916\u51e6\u7406\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u5185\u306b\u9589\u3058\u8fbc\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c6\u30b9\u30bf\u30d3\u30ea\u30c6\u30a3\u306e\u5411\u4e0a\uff1a\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u500b\u5225\u306b\u30c6\u30b9\u30c8\u3067\u304d\u308b\u305f\u3081\u3001\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u304c\u66f8\u304d\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316\uff1a\u5fc5\u8981\u306a\u51e6\u7406\u3092\u5fc5\u8981\u306a\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3001\u7121\u99c4\u306a\u51e6\u7406\u3092\u6e1b\u3089\u305b\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u3001\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u7528\u3059\u308b\u969b\u306f\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u4f7f\u7528\u6642\u306e3\u3064\u306e\u6ce8\u610f\u70b9<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ul class=\"wp-block-list\">\n<li><strong>\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u8cac\u52d9\u3092\u660e\u78ba\u306b\u3059\u308b<\/strong>\uff1a1\u3064\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u591a\u304f\u306e\u3053\u3068\u3092\u884c\u308f\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u3092\u8003\u616e\u3059\u308b<\/strong>\uff1a\u7279\u306b<code>around_action<\/code>\u306f\u614e\u91cd\u306b\u4f7f\u7528\u3057\u3001\u5fc5\u8981\u4ee5\u4e0a\u306b\u51e6\u7406\u6642\u9593\u3092\u5897\u3084\u3055\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u9069\u5207\u306a\u4f8b\u5916\u51e6\u7406\u3092\u884c\u3046<\/strong>\uff1a\u30d5\u30a3\u30eb\u30bf\u30fc\u5185\u3067\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306e\u51e6\u7406\u3092\u5fd8\u308c\u305a\u306b\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u3068<code>before_action<\/code>\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u4fdd\u5b88\u6027\u304c\u9ad8\u304f\u3001\u52b9\u7387\u7684\u306aRails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u307e\u3067\u306b\u5b66\u3093\u3060\u5185\u5bb9\u3092\u7dcf\u62ec\u3057\u3001<code>before_action<\/code>\u30de\u30b9\u30bf\u30fc\u3078\u306e\u9053\u7b4b\u3092\u793a\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-sgb-headings sgb-heading\" id=\"i-23\"><span class=\"sgb-heading__inner sgb-heading--type1 with-icon\" style=\"background-color:transparent;border-color:transparent;font-size:1.2em\"><i class=\"fa fa-check\" style=\"color:var(--wp--preset--color--sango-main)\"><\/i><span class=\"sgb-heading__text\" style=\"color:#333\">6. \u307e\u3068\u3081\uff1abefore_action\u30de\u30b9\u30bf\u30fc\u3078\u306e\u9053<\/span><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u307e\u3067\u3001Ruby on Rails\u306e\u5f37\u529b\u306a\u6a5f\u80fd\u3067\u3042\u308b<code>before_action<\/code>\u306b\u3064\u3044\u3066\u6df1\u304f\u6398\u308a\u4e0b\u3052\u3066\u304d\u307e\u3057\u305f\u3002<br>\u3053\u306e\u8a18\u4e8b\u3092\u901a\u3058\u3066\u3001<code>before_action<\/code>\u306e\u57fa\u672c\u6982\u5ff5\u304b\u3089\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u4f8b\u3001\u6ce8\u610f\u70b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3001\u3055\u3089\u306b\u306f\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u307e\u3067\u3001\u5e45\u5e83\u304f\u5b66\u3093\u3067\u304d\u307e\u3057\u305f\u3002<br>\u3053\u3053\u3067\u3001\u3053\u308c\u307e\u3067\u306e\u5185\u5bb9\u3092\u632f\u308a\u8fd4\u308a\u3001<code>before_action<\/code>\u30de\u30b9\u30bf\u30fc\u3078\u306e\u9053\u7b4b\u3092\u793a\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-24\">\u52b9\u7387\u7684\u306aRails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3078\u306e\u7b2c\u4e00\u6b69<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>before_action<\/code>\u306f\u3001Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<br>\u305d\u306e\u4e3b\u306a\u5229\u70b9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b3\u30fc\u30c9\u306e\u91cd\u8907\u524a\u6e1b<\/strong>\uff1a\u5171\u901a\u306e\u51e6\u7406\u3092\u4e00\u7b87\u6240\u306b\u307e\u3068\u3081\u308b\u3053\u3068\u3067\u3001DRY\uff08Don\u2019t Repeat Yourself\uff09\u306a\u5b9f\u88c5\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4e00\u8cab\u6027\u5411\u4e0a<\/strong>\uff1a\u5171\u901a\u306e\u51e6\u7406\u3092\u7d71\u4e00\u7684\u306b\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5168\u4f53\u306e\u52d5\u4f5c\u304c\u4e00\u8cab\u3057\u305f\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316<\/strong>\uff1a\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30a7\u30c3\u30af\u3084\u30c7\u30fc\u30bf\u306e\u4e8b\u524d\u8aad\u307f\u8fbc\u307f\u306a\u3069\u3092\u52b9\u7387\u7684\u306b\u884c\u3048\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u52b9\u679c\u7684\u306b<code>before_action<\/code>\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u62bc\u3055\u3048\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\"><code>before_action<\/code>\u4f7f\u7528\u6642\u306e\u6291\u3048\u308b\u3079\u304d\u30dd\u30a4\u30f3\u30c84\u9078<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ul class=\"wp-block-list\">\n<li><strong>\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u51e6\u7406\u306b\u7559\u3081\u308b<\/strong>\uff1a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u3092\u8003\u616e\u3057\u3001\u672c\u5f53\u306b\u5fc5\u8981\u306a\u51e6\u7406\u306e\u307f\u3092<code>before_action<\/code>\u306b\u542b\u3081\u307e\u3057\u3087\u3046\u3002<\/li>\n\n\n\n<li><strong>\u9069\u5207\u306a\u30b9\u30b3\u30fc\u30d7\u8a2d\u5b9a<\/strong>\uff1a<code>only<\/code>\u3068<code>except<\/code>\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u5fc5\u8981\u306a\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u306e\u307f<code>before_action<\/code>\u3092\u9069\u7528\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\n\n\n\n<li><strong>\u9806\u5e8f\u3068\u7d99\u627f\u3092\u610f\u8b58\u3059\u308b<\/strong>\uff1a\u8907\u6570\u306e<code>before_action<\/code>\u304c\u3042\u308b\u5834\u5408\u306f\u305d\u306e\u5b9f\u884c\u9806\u5e8f\u3092\u3001\u307e\u305f\u89aa\u5b50\u95a2\u4fc2\u306e\u3042\u308b\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3067\u306f\u7d99\u627f\u306e\u5f71\u97ff\u3092\u5e38\u306b\u610f\u8b58\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\n\n\n\n<li><strong>\u30c6\u30b9\u30c8\u3067\u306e\u78ba\u8a8d<\/strong>\uff1a<code>before_action<\/code>\u306e\u52d5\u4f5c\u3092\u78ba\u8a8d\u3059\u308b\u30c6\u30b9\u30c8\u3092\u66f8\u304f\u3053\u3068\u3067\u3001\u610f\u56f3\u3057\u306a\u3044\u6319\u52d5\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u62bc\u3055\u3048\u308b\u3053\u3068\u3067\u3001\u4fdd\u5b88\u6027\u304c\u9ad8\u304f\u3001\u52b9\u7387\u7684\u306aRails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br><code>before_action<\/code>\u3092\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u306f\u3001\u30b3\u30fc\u30c9\u306e\u54c1\u8cea\u3092\u5411\u4e0a\u3055\u305b\u3001\u958b\u767a\u901f\u5ea6\u3092\u4e0a\u3052\u308b\u3053\u3068\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-25\">\u3055\u3089\u306a\u308b\u5b66\u7fd2\u30ea\u30bd\u30fc\u30b9\u3068\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3078\u306e\u53c2\u52a0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>before_action<\/code>\u306e\u30de\u30b9\u30bf\u30fc\u306b\u306a\u308b\u305f\u3081\u306e\u9053\u306e\u308a\u306f\u3001\u3053\u306e\u8a18\u4e8b\u3067\u7d42\u308f\u308a\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br>\u3055\u3089\u306a\u308b\u6210\u9577\u306e\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30ea\u30bd\u30fc\u30b9\u3084\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"https:\/\/guides.rubyonrails.org\/\">Ruby on Rails \u30ac\u30a4\u30c9<\/a>\uff1a\u516c\u5f0f\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3001<code>before_action<\/code>\u3092\u542b\u3080Rails\u306e\u69d8\u3005\u306a\u6a5f\u80fd\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u5b66\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><a href=\"https:\/\/www.youtube.com\/user\/confreaks\">RailsConf talks<\/a>\uff1aRailsConf\u306e\u8b1b\u6f14\u52d5\u753b\u3067\u3001\u7d4c\u9a13\u8c4a\u5bcc\u306a\u958b\u767a\u8005\u305f\u3061\u306e\u77e5\u898b\u3092\u5b66\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><a href=\"https:\/\/www.rubyonrails.link\/\">Ruby on Rails Link (Slack community)<\/a>\uff1aSlack\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306b\u53c2\u52a0\u3057\u3066\u3001\u4ed6\u306e\u958b\u767a\u8005\u3068\u4ea4\u6d41\u3057\u3001\u7591\u554f\u70b9\u3092\u89e3\u6c7a\u3057\u305f\u308a\u3001\u6700\u65b0\u306e\u60c5\u5831\u3092\u5f97\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001<code>before_action<\/code>\u3060\u3051\u3067\u306a\u304f\u3001Rails\u306e\u958b\u767a\u5168\u822c\u306b\u3064\u3044\u3066\u3055\u3089\u306b\u6df1\u3044\u7406\u89e3\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5f8c\u306b\u3001<code>before_action<\/code>\u30de\u30b9\u30bf\u30fc\u306b\u306a\u308b\u305f\u3081\u306e\u5177\u4f53\u7684\u306a\u30a2\u30af\u30b7\u30e7\u30f3\u30b9\u30c6\u30c3\u30d7\u3092\u63d0\u6848\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\"><code>before_action<\/code>\u3092\u30de\u30b9\u30bf\u30fc\u3059\u308b\u305f\u3081\u306e\u304a\u3059\u3059\u3081\u30b9\u30c6\u30c3\u30d7<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ol class=\"wp-block-list\">\n<li>\u65e2\u5b58\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u4e0d\u9069\u5207\u306a<code>before_action<\/code>\u306e\u4f7f\u7528\u304c\u306a\u3044\u304b\u898b\u76f4\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u6539\u5584\u306e\u4f59\u5730\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f<\/li>\n\n\n\n<li>\u65b0\u3057\u3044<code>before_action<\/code>\u3092\u5b9f\u88c5\u3057\u3001\u305d\u306e\u52b9\u679c\u3092\u6e2c\u5b9a\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3084\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u304c\u3042\u308a\u307e\u3057\u305f\u304b\uff1f<\/li>\n\n\n\n<li>\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f5c\u6210\u3057\u3001\u30b3\u30fc\u30c9\u306e\u6574\u7406\u3092\u884c\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u8907\u96d1\u306a\u51e6\u7406\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u307e\u3068\u3081\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u304c\u3059\u3063\u304d\u308a\u3057\u307e\u305b\u3093\u304b\uff1f<\/li>\n\n\n\n<li><code>before_action<\/code>\u306e\u52d5\u4f5c\u3092\u78ba\u8a8d\u3059\u308b\u30c6\u30b9\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002\u30c6\u30b9\u30c8\u3092\u66f8\u304f\u3053\u3068\u3067\u3001<code>before_action<\/code>\u306e\u6319\u52d5\u3092\u3088\u308a\u6df1\u304f\u7406\u89e3\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u3002<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u5b9f\u8df5\u3059\u308b\u3053\u3068\u3067\u3001\u7406\u8ad6\u3060\u3051\u3067\u306a\u304f\u5b9f\u8df5\u7684\u306a\u30b9\u30ad\u30eb\u3082\u8eab\u306b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br><code>before_action<\/code>\u306f\u5c0f\u3055\u306a\u6a5f\u80fd\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u9069\u5207\u306b\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u3067\u5927\u304d\u306a\u4fa1\u5024\u3092\u751f\u307f\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ruby on Rails\u306e\u4e16\u754c\u306f\u5e83\u5927\u3067\u3001\u5e38\u306b\u9032\u5316\u3057\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002<br><code>before_action<\/code>\u306e\u30de\u30b9\u30bf\u30ea\u30fc\u306f\u3001\u3042\u306a\u305f\u306eRails\u958b\u767a\u30b9\u30ad\u30eb\u5411\u4e0a\u306e\u91cd\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u306e\u4e00\u3064\u3067\u3059\u3002<br>\u3053\u306e\u8a18\u4e8b\u3067\u5b66\u3093\u3060\u3053\u3068\u3092\u5b9f\u8df5\u3057\u3001\u3055\u3089\u306a\u308b\u9ad8\u307f\u3092\u76ee\u6307\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br>Rails\u958b\u767a\u306e\u65c5\u3092\u697d\u3057\u307f\u3001\u7d20\u6674\u3089\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u308a\u4e0a\u3052\u3066\u3044\u3063\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ruby on Rails\u306e\u5f37\u529b\u306a\u6a5f\u80fd\u306e\u4e00\u3064\u3001before_action\u3002\u3053\u306e\u5c0f\u3055\u306a\u9b54\u6cd5\u306e\u3088\u3046\u306a\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u3067\u3001\u3042\u306a\u305f\u306e\u30b3\u30fc\u30c9\u306f\u3088\u308a\u7c21\u6f54\u306b\u3001\u305d\u3057\u3066\u52b9\u7387\u7684\u306b\u306a\u308a\u307e\u3059\u3002\u521d\u5fc3\u8005\u304b\u3089\u4e2d\u7d1a\u8005\u307e\u3067\u3001before_acti &#8230; <\/p>\n","protected":false},"author":1,"featured_media":3161,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,44],"tags":[],"class_list":["post-65","post","type-post","status-publish","format-standard","has-post-thumbnail","category-ruby","category-ruby-rails"],"_links":{"self":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/65","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=65"}],"version-history":[{"count":5,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/65\/revisions"}],"predecessor-version":[{"id":91,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/65\/revisions\/91"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/media\/3161"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=65"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=65"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=65"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}