{"id":9764,"date":"2025-08-08T17:34:38","date_gmt":"2025-08-08T08:34:38","guid":{"rendered":"https:\/\/techmania.jp\/blog\/?p=9764"},"modified":"2025-08-08T17:34:39","modified_gmt":"2025-08-08T08:34:39","slug":"nodejs-expressjs","status":"publish","type":"post","link":"https:\/\/techmania.jp\/blog\/nodejs-expressjs\/","title":{"rendered":"\u3010Node.js\u5165\u9580\u3011Express.js\u3067Web\u30b5\u30fc\u30d0\u30fc\u3092\u69cb\u7bc9\u3059\u308b"},"content":{"rendered":"\n<p>\u7686\u3055\u3093\u306f\u3001\u300cExpress.js\u300d \u3068\u3044\u3046\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u3054\u5b58\u77e5\u3067\u3057\u3087\u3046\u304b\uff1f<br>Express.js\u306f\u3001Node.js\u3067\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3092\u3059\u308b\u4e0a\u3067\u306e\u5b9a\u756a\u3068\u306a\u3063\u3066\u3044\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308a\u3001\u305d\u306e\u624b\u8efd\u3055\u304b\u3089\u3001\u521d\u5fc3\u8005\u3067\u3082\u6c17\u8efd\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u306f\u3001\u305d\u3093\u306a Express.js\u306b\u3064\u3044\u3066\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u4ed5\u65b9\u304b\u3089\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u307e\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__1\" class=\"wp-block-heading\">Express.js\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>Express.js\u306f\u3001Node.js\u3067\u5229\u7528\u53ef\u80fd\u306aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002<br>\u30b7\u30f3\u30d7\u30eb\u3067\u4f7f\u3044\u3084\u3059\u3044\u8a2d\u8a08\u304c\u7279\u5fb4\u3067\u3001\u521d\u671f\u8a2d\u5b9a\u304c\u5c11\u306a\u304f\u62e1\u5f35\u6027\u306b\u3082\u512a\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u521d\u5fc3\u8005\u304b\u3089\u7384\u4eba\u307e\u3067\u5e45\u5e83\u3044\u5c64\u306b\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>Express.js\u306e\u5c0e\u5165\u65b9\u6cd5\u306f\u975e\u5e38\u306b\u7c21\u5358\u3067\u3001\u305f\u3063\u305f\u6570\u884c\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3060\u3051\u3067\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3092\u5b8c\u4e86\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306b\u5fc5\u8981\u306a\u57fa\u672c\u6a5f\u80fd\u3092\u5099\u3048\u3064\u3064\u3001\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u6a5f\u80fd\u3092\u67d4\u8edf\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u5c0f\u898f\u6a21\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304b\u3089\u5927\u898f\u6a21\u306a\u958b\u767a\u307e\u3067\u5e45\u5e83\u304f\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u975e\u540c\u671f\u51e6\u7406\u30e2\u30c7\u30eb\u3092\u6d3b\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u591a\u304f\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u52b9\u7387\u3088\u304f\u51e6\u7406\u3067\u304d\u308b\u306e\u3082\u30e1\u30ea\u30c3\u30c8\u306e\uff11\u3064\u3067\u3059\u3002<br>\u4f8b\u3048\u3070\u3001\u30c1\u30e3\u30c3\u30c8\u30a2\u30d7\u30ea\u306e\u3088\u3046\u306a\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u901a\u4fe1\u3084\u3001\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u3092\u5fc5\u8981\u3068\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u3001\u5fdc\u7b54\u901f\u5ea6\u306e\u901f\u3055\u3084\u5b89\u5b9a\u3055\u3092\u6c42\u3081\u3089\u308c\u308b\u5834\u9762\u3067\u6d3b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u52a0\u3048\u3066\u3001Express.js\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3084HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u51e6\u7406\u304c\u7c21\u7565\u5316\u3055\u308c\u308b\u305f\u3081\u3001\u5c11\u306a\u3044\u30b3\u30fc\u30c9\u3067\u30b5\u30fc\u30d0\u30fc\u306e\u52d5\u304d\u3092\u5236\u5fa1\u3067\u304d\u308b\u306e\u3082\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__2\" class=\"wp-block-heading\">Express.js\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<p>\u3053\u3053\u304b\u3089\u3001Express.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u3068\u3001\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e0a\u8ff0\u306e\u901a\u308a\u3001Express.js\u306f Node.js\u3092\u57fa\u76e4\u3068\u3059\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u305f\u3081\u3001\u4e8b\u524d\u306b Node.js\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066 npm\u3092\u4f7f\u7528\u3067\u304d\u308b\u74b0\u5883\u3092\u4f5c\u3063\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3082\u3057\u3001\u307e\u3060 Node.js\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u5148\u306b\u305d\u3061\u3089\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p><strong>\u3010Node.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u306f\u3053\u3061\u3089\u3011<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-techmania wp-block-embed-techmania\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"f99c1gyEqz\"><a href=\"https:\/\/techmania.jp\/blog\/nodejs-install\/\">\u3010Node.js\u5165\u9580\u3011Node.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u3092OS\u5225\u306b\u89e3\u8aac\uff08Win\/Mac\/Linux\uff09<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;\u3010Node.js\u5165\u9580\u3011Node.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u3092OS\u5225\u306b\u89e3\u8aac\uff08Win\/Mac\/Linux\uff09&#8221; &#8212; TechMania\" src=\"https:\/\/techmania.jp\/blog\/nodejs-install\/embed\/#?secret=HzrndUbJFT#?secret=f99c1gyEqz\" data-secret=\"f99c1gyEqz\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3 id=\"outline__2_1\" class=\"wp-block-heading\">Express.js\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/h3>\n\n\n\n<p>Express.js\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u306b\u3042\u305f\u3063\u3066\u3001\u521d\u3081\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5148\u3068\u306a\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u7ba1\u7406\u7528\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>mkdir\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3001\u4efb\u610f\u306e\u540d\u524d\u3067\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3057\u305f\u3089\u3001cd\u30b3\u30de\u30f3\u30c9\u3067\u4f5c\u6210\u3057\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u3010\u5b9f\u884c\u3059\u308b\u30b3\u30de\u30f3\u30c9\u4f8b\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>mkdir sampleTest\ncd sampleTest<\/code><\/pre><\/div>\n\n\n\n<p>\u79fb\u52d5\u3057\u305f\u3089npm init\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066 npm\u3092\u521d\u671f\u5316\u3057\u3001package.json\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u3010\u5b9f\u884c\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>npm init<\/code><\/pre><\/div>\n\n\n\n<p>\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30d5\u30a1\u30a4\u30eb\u306b\u8a18\u8ff0\u3059\u308b\u5404\u9805\u76ee\u306e\u5185\u5bb9\u3092\u5165\u529b\u3059\u308b\u3088\u3046\u8981\u6c42\u3055\u308c\u307e\u3059\u304c\u3001\u5168\u3066\u306e\u8cea\u554f\u306b\u5bfe\u3057\u3066\u4f55\u3082\u5165\u529b\u305b\u305a\u306bEnter\u3092\u62bc\u3057\u3066\u3082\u554f\u984c\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u5185\u5bb9\u3092\u5909\u66f4\u3057\u3001\u6700\u7d42\u7684\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7d50\u679c\u304c\u8868\u793a\u3055\u308c\u308c\u3070OK\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u3010\u30bf\u30fc\u30df\u30ca\u30eb\u306e\u8868\u793a\u5185\u5bb9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>package name: (sampleTest) \nversion: (1.0.0) \ndescription: \nentry point: (index.js) \ntest command: \ngit repository: \nkeywords: \nauthor: \nlicense: (ISC) \nAbout to write to \/Users\/kaito\/nodetest\/package.json:\n \n{\n  &quot;name&quot;: &quot;sampleTest&quot;,\n  &quot;version&quot;: &quot;1.0.0&quot;,\n  &quot;description&quot;: &quot;&quot;,\n  &quot;main&quot;: &quot;index.js&quot;,\n  &quot;scripts&quot;: {\n    &quot;test&quot;: &quot;echo \\&quot;Error: no test specified\\&quot; && exit 1&quot;\n  },\n  &quot;author&quot;: &quot;&quot;,\n  &quot;license&quot;: &quot;ISC&quot;\n}\n \n \nIs this OK? (yes)<\/code><\/pre><\/div>\n\n\n\n<p>\u5165\u529b\u5185\u5bb9\u306b\u554f\u984c\u304c\u306a\u3051\u308c\u3070\u3001Enter\u3092\u62bc\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>package.json\u30d5\u30a1\u30a4\u30eb\u304c\u7121\u4e8b\u306b\u4f5c\u6210\u3055\u308c\u305f\u3089\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066 Express.js\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u3010\u5b9f\u884c\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>npm install express<\/code><\/pre><\/div>\n\n\n\n<p>\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5185\u5bb9\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u3010\u30bf\u30fc\u30df\u30ca\u30eb\u306e\u8868\u793a\u5185\u5bb9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>added 57 packages, and audited 58 packages in 3s\n \n7 packages are looking for funding\n  run `npm fund` for details\n \nfound 0 vulnerabilities<\/code><\/pre><\/div>\n\n\n\n<p>\u4e00\u9023\u306e\u4f5c\u696d\u304c\u7121\u4e8b\u306b\u7d42\u4e86\u3057\u305f\u3089\u3001Express.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u5b8c\u4e86\u3067\u3059\u3002<\/p>\n\n\n\n<h3 id=\"outline__2_2\" class=\"wp-block-heading\">Express\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u69cb\u7bc9\u3059\u308b<\/h3>\n\n\n\n<p>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u65e9\u901f\u30b5\u30fc\u30d0\u30fc\u3092\u69cb\u7bc9\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u307e\u305a\u521d\u3081\u306b\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306b \u300cindex.js\u300d \u3068\u3044\u3046\u540d\u524d\u3067\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>const express = require(&#39;express&#39;);\nconst app = express();<\/code><\/pre><\/div>\n\n\n\n<p>\uff11\u884c\u76ee\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001require\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066Express\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8aad\u307f\u8fbc\u3093\u3067\u3044\u307e\u3059\u3002<br>\u8aad\u307f\u8fbc\u3093\u3060\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u5143\u306b express\u95a2\u6570\u3092\u5b9f\u884c\u3057\u3001Express\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3057\u3066\u3001\u5909\u6570app\u306b\u683c\u7d0d\u3057\u3066\u3044\u307e\u3059\u3002<br>\u3053\u308c\u306b\u3088\u308a\u3001Node.js\u5185\u3067Express\u304c\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u751f\u6210\u3057\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u3001Web\u30a2\u30d7\u30ea\u3092\u69cb\u7bc9\u3059\u308b\u3046\u3048\u3067\u5fc5\u8981\u3068\u306a\u308b\u5909\u6570\u3084\u30e1\u30bd\u30c3\u30c9\u306a\u3069\u304c\u4fdd\u6301\u3055\u308c\u307e\u3059\u3002<br>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u751f\u6210\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u6307\u5b9a\u306e\u30dd\u30fc\u30c8\u3067\u901a\u4fe1\u3092\u5f85\u3061\u53d7\u3051\u308b\u305f\u3081\u306b\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>app.listen(3000, function() {\n    console.log(&#39;Server is running on port 3000&#39;);\n});<\/code><\/pre><\/div>\n\n\n\n<p>listen\u30e1\u30bd\u30c3\u30c9\u306e\u7b2c1\u5f15\u6570\u306b\u4efb\u610f\u306e\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u6307\u5b9a\u3057\u3001\u7b2c2\u5f15\u6570\u306b\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<br>\u3053\u308c\u306b\u3088\u308a\u3001\u6307\u5b9a\u3057\u305f\u30dd\u30fc\u30c8\u3067\u306e\u901a\u4fe1\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__3\" class=\"wp-block-heading\">Express\u3067\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u8a2d\u5b9a\u3059\u308b<\/h2>\n\n\n\n<p>\u7d9a\u3044\u3066\u3001Express\u3067\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u306f\u3001HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5185\u5bb9\u306b\u5fdc\u3058\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5185\u3067\u5b9f\u884c\u3059\u308b\u51e6\u7406\u3092\u6c7a\u5b9a\u3059\u308b\u4ed5\u7d44\u307f\u306e\u3053\u3068\u3092\u8a00\u3044\u307e\u3059\u3002<br>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u3001HTTP\u30e1\u30bd\u30c3\u30c9\u306e\u7a2e\u985e\uff08GET\u3001POST\u306a\u3069\uff09\u3068\u3001URL\u30d1\u30bf\u30fc\u30f3\u306b\u3088\u3063\u3066\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>Express.js\u3067\u306f\u3001app.get()\u3001app.post()\u3001app.put()\u3001app.delete() \u3068\u3044\u3063\u305f\u3088\u3046\u306b\u3001\u305d\u308c\u305e\u308c\u306eHTTP\u30e1\u30bd\u30c3\u30c9\u306b\u5bfe\u5fdc\u3057\u305f\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"outline__3_1\" class=\"wp-block-heading\">GET\u30e1\u30bd\u30c3\u30c9\u306e\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308b<\/h3>\n\n\n\n<p>\u307e\u305a\u306f\u3001GET\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u51e6\u7406\u65b9\u6cd5\u304b\u3089\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>GET\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3059\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306bget\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>app.get(&#39;\/&#39;, function (req, res) {\n    res.send(&#39;\u30da\u30fc\u30b8\u304c\u8aad\u307f\u8fbc\u307f\u3055\u308c\u307e\u3057\u305f&#39;);\n});<\/code><\/pre><\/div>\n\n\n\n<p>\u7b2c1\u5f15\u6570\u306b \u300c\/\u300d \u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30c8\u30c3\u30d7\u30da\u30fc\u30b8\u3092\u958b\u3044\u305f\u969b\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u305d\u306e\u969b\u306e\u51e6\u7406\u5185\u5bb9\u306f\u3001\u7b2c2\u5f15\u6570\u306e\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u5185\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e0a\u8ff0\u3057\u305f\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u51e6\u7406\u3068\u5408\u308f\u305b\u308b\u3068\u3001\u5168\u4f53\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>const express = require(&#39;express&#39;);\nconst app = express();\n\napp.get(&#39;\/&#39;, function (req, res) {\n    res.send(&#39;\u30da\u30fc\u30b8\u304c\u8aad\u307f\u8fbc\u307f\u3055\u308c\u307e\u3057\u305f&#39;);\n});\n\napp.listen(3000, function() {\n    console.log(&#39;Server is running on port 3000&#39;);\n});<\/code><\/pre><\/div>\n\n\n\n<p>\u3082\u3057\u3001\u30a2\u30af\u30bb\u30b9\u6642\u306bHTML\u30d5\u30a1\u30a4\u30eb\u306a\u3069\u3092\u8868\u793a\u3055\u305b\u305f\u3044\u5834\u5408\u306f\u3001express.static\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u3092\u4f7f\u7528\u3057\u3066\u3001\u9759\u7684\u30d5\u30a1\u30a4\u30eb\u3092\u63d0\u4f9b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>const express = require(&#39;express&#39;);\nconst app = express();\n\napp.use(express.static(&#39;public&#39;));\n\napp.listen(3000, function() {\n    console.log(&#39;Server is running on port 3000&#39;);\n});<\/code><\/pre><\/div>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001public\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u30eb\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3068\u3057\u3066\u6307\u5b9a\u3057\u3066\u3044\u308b\u305f\u3081\u3001public\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4ee5\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001http:\/\/localhost:3000\/public\/test.html \u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001public\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306b\u3042\u308b test.html\u30d5\u30a1\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"outline__3_2\" class=\"wp-block-heading\">POST\u30e1\u30bd\u30c3\u30c9\u306e\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308b<\/h3>\n\n\n\n<p>\u7d9a\u3044\u3066\u3001POST\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u51e6\u7406\u65b9\u6cd5\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>POST\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3059\u308b\u5834\u5408\u306f\u3001post\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>app.post(&#39;\/&#39;, function(request, response) {\n    console.log(request.body);\n});<\/code><\/pre><\/div>\n\n\n\n<p>POST\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30b1\u30fc\u30b9\u3068\u3057\u3066\u3088\u304f\u3042\u308b\u30d5\u30a9\u30fc\u30e0\u5165\u529b\u306a\u3069\u306e\u5834\u5408\u3001express.urlencoded\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u306e\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>const express = require(&#39;express&#39;);\nconst app = express();\n\napp.use(express.urlencoded({extended:true}))\n\napp.post(&#39;\/&#39;, function(request, response) {\n    console.log(request.body.name);\n});\n\napp.listen(3000, function() {\n    console.log(&#39;Server is running on port 3000&#39;);\n});<\/code><\/pre><\/div>\n\n\n\n<h2 id=\"outline__4\" class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u4eca\u56de\u306f\u3001Express.js\u306e\u5c0e\u5165\u65b9\u6cd5\u3084\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>Express.js\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u3088\u308a\u52b9\u7387\u7684\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u305c\u3072\u3053\u306e\u6a5f\u4f1a\u306b\u3001\u6d3b\u7528\u3057\u3066\u898b\u3066\u304f\u3060\u3055\u3044\u306d\uff01<\/p>\n\n\n\n<h2 id=\"outline__5\" class=\"wp-block-heading\">JavaScript\u306e\u52c9\u5f37\u65b9\u6cd5\u306f\uff1f<\/h2>\n\n\n<p>\u66f8\u7c4d\u3084\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u5b66\u7fd2\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u6628\u4eca\u3067\u306f\u3001YouTube\u306a\u3069\u306e\u52d5\u753b\u30b5\u30a4\u30c8\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u30b5\u30a4\u30c8\u306a\u3069\u3082\u5145\u5b9f\u3057\u3066\u3044\u3066\u591a\u304f\u306e\u60c5\u5831\u304c\u624b\u306b\u5165\u308a\u307e\u3059\u3002<br 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