{"id":13464,"date":"2021-05-09T12:35:14","date_gmt":"2021-05-09T03:35:14","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=13464"},"modified":"2023-09-17T13:57:47","modified_gmt":"2023-09-17T04:57:47","slug":"%e3%80%90next-js%e3%80%91%e3%80%8cgetstaticprops%e3%80%8d%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=13464","title":{"rendered":"\u3010Next.js\u3011\u300cgetStaticProps\u300d\u3001\u300cDynamic routes\u300d\u306b\u3064\u3044\u3066"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">getStaticProps\u3068\u306f\uff1f<\/h2>\n\n\n\n<ul>\n<li>Next.js\u5185\uff08\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\uff09\u3067\u5b9a\u7fa9\u3057\u305f\u95a2\u6570\u304c\u5fc5\u305a\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3067\u5b9f\u884c\u3055\u308c\u308b\u3002<\/li>\n\n\n\n<li>pages\u5185\u3067\u306e\u307f\u4f7f\u7528\u53ef\u80fd<\/li>\n\n\n\n<li>\u300cnpm run dev\u300d\u306e\u5834\u5408\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u6bce\u306b\u5b9f\u884c\u3055\u308c\u308b\u3002<\/li>\n\n\n\n<li>\u300cnpm start\u300d\u306e\u5834\u5408\u306f\u30d3\u30eb\u30c9\u6bce\u306b\u5b9f\u884c\u3055\u308c\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u6ce8\u610f\u70b9<\/h2>\n\n\n\n<p>getStaticProps\u5185\u3067\u53d6\u5f97\u306b\u5931\u6557\u3057\u305f\u5834\u5408\u306f\u53d6\u5f97\u306b\u5931\u6557\u3057\u305f\u5185\u5bb9\u3067\u9759\u7684\u30da\u30fc\u30b8\u304c\u751f\u6210\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u306a\u306e\u3067\u3001\u5225\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u3066\u3044\u308bISR\u306a\u3069\u3092\u4f7f\u3046\u306a\u3069\u3057\u3066\u3042\u3052\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6307\u5b9a\u306b\u5fd8\u308c\u3066\u6700\u521d\u306e\u30a2\u30af\u30bb\u30b9\u3067\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3068\u3068\u3093\u3067\u3082\u306a\u3044\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/h3>\n\n\n\n<p>getStaticProps\u306f\u30d3\u30eb\u30c9\u6642\u306b1\u56de\u3060\u3051\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<span style=\"color: #ff0000;\"><strong>getStaticProps<\/strong><\/span>\u306e\u623b\u308a\u5024\u306fprops\u306b\u306a\u308a\u3001\u5b9a\u7fa9\u3057\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5f15\u6570\u306b\u6e21\u308b\u3088\u3046\u306b\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import fetch from 'node-fetch';\n\n\/\/ \u5f15\u6570\u3068\u3057\u3066\u300cgetStaticProps\u300d\u306e\u623b\u308a\u5024\u3092\u53d7\u3051\u53d6\u308c\u308b\u3002\nconst Sample = ({ jsons }) =&gt; {\n  return (\n    &lt;ul &gt;\n      {\u8868\u793a\u51e6\u7406}\n    &lt;\/ul&gt;\n  );\n};\n\nexport async function getStaticProps() {\n  const res = await fetch(new URL(\"API\u306eURL\"));\n  const jsons = await res.json();\n  return {\n    props: { jsons },\n  };\n}\n\nexport default Blog;\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Dynamic routes\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>\u500b\u5225\u30da\u30fc\u30b8\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u69cb\u6210<\/h3>\n\n\n\n<p>pages\u914d\u4e0b\u306b\u500b\u5225\u30da\u30fc\u30b8\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3057\u3066[id].js\u3068\u8a00\u3046\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pages\n\u2514xxxs(articles\u306a\u3069)\n     \u2514[id].js<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Dynamic routes\u306e\u6d41\u308c<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1.getStaticPaths\u3067id\u306e\u4e00\u89a7\u3092\u53d6\u5f97\u3059\u308b\u3002<\/h4>\n\n\n\n<p><span style=\"color: #ff0000;\"><strong>\u300cnpm run dev\u300d<\/strong><\/span>\u3067\u3042\u308c\u3070\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5ea6\u306b\u6bce\u56de\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<span style=\"color: #ff0000;\"><strong>\u300cnpm run build\u300d<\/strong><\/span>\u3067\u3042\u308c\u3070\u4e00\u5ea6\u3060\u3051\u5b9f\u884c\u3055\u308c\u3066\u3001\u305d\u306e\u5f8c\u306e\u300c2\u300d\u304c\u4f55\u5ea6\u3082\u5b9f\u884c\u3055\u308c\u308b\u5f62\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">export async function getStaticPaths() {\n  const res = await fetch(new URL(apiUrl));\n  const articles = await res.json();\n\n  const paths = articles.map((post) =&gt; {\n    return {\n      params: {\n        id: String(post.id),\n      },\n    };\n  });\n\n\n  return {\n    paths,\n    fallback: false,\n  };\n}<\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">fallback<\/h5>\n\n\n\n<p>\u5b58\u5728\u3057\u306a\u3044id\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u969b\u306e\u6319\u52d5\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002false\u3092\u8a2d\u5b9a\u3057\u305f\u5834\u5408\u306f404\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3001false\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u72b6\u614b\u3067\u3001\u65b0\u3057\u304f\u30da\u30fc\u30b8\u304c\u4f5c\u3089\u308c\u3066\u3044\u305f\u5834\u5408\u3067\u3082404\u304c\u8868\u793a\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3046\u3057\u305f\u5834\u5408\u306f\u3001true\u3092\u6307\u5b9a\u3059\u308b\u4e8b\u3067\u65b0\u3057\u304f\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u969b\u306b\u52d5\u7684\u306b\u30da\u30fc\u30b8\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002\uff08\u306a\u304a\u3001\u751f\u6210\u306b\u306f\u6642\u9593\u304c\u304b\u304b\u308b\u306e\u3067Loading\u3092\u8a2d\u5b9a\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002\uff09\u306a\u304a\u3001true\u306b\u3057\u305f\u72b6\u614b\u3067\u5168\u304f\u5b58\u5728\u3057\u306a\u3044\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u5834\u5408\u306f\u3001404\u304c\u5e30\u3048\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u7a7a\u306e\u30da\u30fc\u30b8\u304c\u52d5\u7684\u306b\u751f\u6210\u3055\u308c\u308b\u6319\u52d5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2.getStaticProps\u30671.\u3067\u53d6\u5f97\u3057\u305f\u5404id\u3092\u4f7f\u7528\u3057\u3066\u500b\u5225\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u3002<\/h4>\n\n\n\n<pre class=\"wp-block-preformatted\">export async function getStaticProps({ params }) {\n  const res = await fetch(new URL(`${apiUrl}\/${params.id}\/`));\n  const article = await res.json();\n\n  return {\n    props: {\n      article,\n    },\n  };\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">3.pre-rendering\u3092\u884c\u3046\u3002<\/h4>\n\n\n\n<p><span style=\"color: #ff0000;\"><strong>\u300cnpm run build\u300d<\/strong><\/span>\u3092\u5b9f\u884c\u3057\u305f\u969b\u306b\u3001\u300c.next\/server\/pages\/articles\/1.html\u300d\u306a\u3069\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u5927\u91cf\u306b\u751f\u6210\u3055\u308c\u3066pre-rendering\u304c\u884c\u308f\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"getStaticProps\u3068\u306f\uff1f \u6ce8\u610f\u70b9 getStaticProps\u5185\u3067\u53d6\u5f97\u306b\u5931\u6557\u3057\u305f\u5834\u5408\u306f\u53d6\u5f97\u306b\u5931\u6557\u3057\u305f\u5185\u5bb9\u3067\u9759\u7684\u30da\u30fc\u30b8\u304c\u751f\u6210\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u306a\u306e\u3067\u3001\u5225\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u3066\u3044\u308bISR\u306a\u3069\u3092\u4f7f\u3046\u306a\u3069\u3057\u3066\u3042\u3052\u308b\u5fc5\u8981\u304c\u3042 [&hellip;]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[119],"tags":[],"_links":{"self":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/13464"}],"collection":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13464"}],"version-history":[{"count":9,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/13464\/revisions"}],"predecessor-version":[{"id":22887,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/13464\/revisions\/22887"}],"wp:attachment":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13464"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}