{"id":300,"date":"2025-08-31T14:19:13","date_gmt":"2025-08-31T05:19:13","guid":{"rendered":"https:\/\/i-third.org\/blog\/?p=300"},"modified":"2025-08-31T14:22:57","modified_gmt":"2025-08-31T05:22:57","slug":"jsp%e3%82%92%e5%8d%92%e6%a5%ad%e3%81%97%e3%80%81react%e3%81%b8%ef%bc%81%e6%ae%b5%e9%9a%8e%e7%9a%84%e3%81%aa%e3%83%95%e3%83%ab%e3%82%b9%e3%82%bf%e3%83%83%e3%82%af%e9%96%8b%e7%99%ba%e3%82%92%e5%ae%9f","status":"publish","type":"post","link":"https:\/\/i-third.org\/blog\/?p=300","title":{"rendered":"JSP\u3092\u5352\u696d\u3057\u3001React\u3078\uff01\u6bb5\u968e\u7684\u306a\u30d5\u30eb\u30b9\u30bf\u30c3\u30af\u958b\u767a\u3092\u5b9f\u73fe\u3059\u308b\u300cJava3\u5c64\u69cb\u9020\u300d\u5fb9\u5e95\u30ac\u30a4\u30c9"},"content":{"rendered":"<article>\n<strong>\u3042\u306a\u305f\u306f\u3001Java\u3067Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u969b\u3001\u3053\u306e\u3088\u3046\u306a\u60a9\u307f\u3092\u62b1\u3048\u3066\u3044\u307e\u305b\u3093\u304b\uff1f<\/strong>\n<\/p>\n<ul>\n<li>\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306fJava\u3067\u5805\u7262\u306b\u4f5c\u308a\u305f\u3044\u304c\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306eUI\u958b\u767a\u304c\u8907\u96d1\u306b\u306a\u308a\u304c\u3061\u3002<\/li>\n<li>\u73fe\u5728\u306eJSP\u30d9\u30fc\u30b9\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u3001\u5c06\u6765\u7684\u306bReact\u306e\u3088\u3046\u306a\u30e2\u30c0\u30f3\u306a\u6280\u8853\u306b\u79fb\u884c\u3057\u305f\u3044\u304c\u3001\u3069\u3046\u624b\u3092\u4ed8\u3051\u308c\u3070\u3088\u3044\u304b\u5206\u304b\u3089\u306a\u3044\u3002<\/li>\n<li>\u6a5f\u80fd\u8ffd\u52a0\u306e\u305f\u3073\u306b\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306b\u5f71\u97ff\u304c\u51fa\u3066\u3057\u307e\u3044\u3001\u958b\u767a\u52b9\u7387\u304c\u4e0a\u304c\u3089\u306a\u3044\u3002<\/li>\n<\/ul>\n<p>\n\u3054\u5b89\u5fc3\u304f\u3060\u3055\u3044\u3002IT\u696d\u754c\u306720\u5e74\u4ee5\u4e0a\u306e\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u306b\u643a\u308f\u3063\u3066\u304d\u305f\u79c1\u3001\u30b7\u30b9\u30c6\u30e0\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u3001\u3053\u306e\u8ab2\u984c\u3092\u6839\u672c\u304b\u3089\u89e3\u6c7a\u3059\u308b<strong>\u300c\u6bb5\u968e\u7684\u30e2\u30c0\u30ca\u30a4\u30ba\u6226\u7565\u300d<\/strong>\u3092\u5fb9\u5e95\u89e3\u8aac\u3057\u307e\u3059\u3002\n<\/p>\n<p>\n\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001JSP\u3092\u4f7f\u3044\u306a\u304c\u3089\u3082\u3001\u5c06\u6765\u7684\u306aReact\u3078\u306e\u30b9\u30e0\u30fc\u30ba\u306a\u63db\u88c5\u3092\u898b\u636e\u3048\u305f<strong>\u300cJava3\u5c64\u69cb\u9020\u300d\u306e\u8a2d\u8a08\u601d\u60f3\u3068\u3001\u5177\u4f53\u7684\u306a\u624b\u9806<\/strong>\u3092\u3001\u5b9f\u8df5\u4f8b\u3092\u4ea4\u3048\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u5b66\u3079\u3070\u3001\u3042\u306a\u305f\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306f\u5805\u7262\u3067\u3001\u304b\u3064\u672a\u6765\u3078\u3064\u306a\u304c\u308b\u6301\u7d9a\u53ef\u80fd\u306a\u30b7\u30b9\u30c6\u30e0\u3078\u3068\u9032\u5316\u3057\u307e\u3059\u3002\n<\/p>\n<p>\n\u8aad\u307f\u7d42\u3048\u308b\u9803\u306b\u306f\u3001\u3042\u306a\u305f\u306f\u30e2\u30c0\u30f3\u306a\u30d5\u30eb\u30b9\u30bf\u30c3\u30af\u958b\u767a\u3078\u306e\u78ba\u56fa\u305f\u308b\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u3092\u624b\u306b\u3057\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u3002\n<\/p>\n<hr>\n<h2>\u76ee\u6b21<\/h2>\n<ul>\n<li><a href=\"#section-1\">\u524d\u63d0\u77e5\u8b58\uff1a\u306a\u305c\u300cJava3\u5c64\u69cb\u9020\u300d\u304c\u4eca\u3082\u91cd\u8981\u306a\u306e\u304b\uff1f<\/a><\/li>\n<li><a href=\"#section-2\">JSP\u304b\u3089React\u3078\u3002\u6bb5\u968e\u7684\u30e2\u30c0\u30ca\u30a4\u30ba\u306e\u6226\u7565\u3068\u306d\u3089\u3044<\/a><\/li>\n<li><a href=\"#section-3\">\u5177\u4f53\u7684\u306a\u624b\u9806\uff1a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u74b0\u5883\u3068\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u69cb\u6210<\/a><\/li>\n<li><a href=\"#section-4\">\u5b9f\u8df5\u4f8b\uff1a\u300c1\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8 = 1 API = 1 JS\u300d\u3067\u5b9f\u88c5\u3059\u308b<\/a><\/li>\n<li><a href=\"#section-5\">\u307e\u3068\u3081\uff1a\u672a\u6765\u3092\u898b\u636e\u3048\u305f\u958b\u767a\u306e\u7b2c\u4e00\u6b69<\/a><\/li>\n<li><a href=\"#section-6\">\u884c\u52d5\u559a\u8d77\uff08CTA\uff09<\/a><\/li>\n<\/ul>\n<hr>\n<h2 id=\"section-1\">\u524d\u63d0\u77e5\u8b58\uff1a\u306a\u305c\u300cJava3\u5c64\u69cb\u9020\u300d\u304c\u4eca\u3082\u91cd\u8981\u306a\u306e\u304b\uff1f<\/h2>\n<p>\n\u307e\u305a\u3001\u4eca\u56de\u306e\u30c6\u30fc\u30de\u306e\u6839\u5e79\u3068\u306a\u308b<strong>Java3\u5c64\u69cb\u9020<\/strong>\u306b\u3064\u3044\u3066\u6539\u3081\u3066\u6574\u7406\u3057\u307e\u3057\u3087\u3046\u3002\u3053\u308c\u306f\u3001Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4ee5\u4e0b\u306e3\u3064\u306e\u8ad6\u7406\u7684\u306a\u5c64\u306b\u5206\u5272\u3059\u308b\u3001\u6700\u3082\u57fa\u672c\u7684\u306a\u8a2d\u8a08\u539f\u5247\u3067\u3059\u3002\n<\/p>\n<ul>\n<li><strong>\u30d7\u30ec\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u5c64\uff08UI\/View\uff09<\/strong>: \u30e6\u30fc\u30b6\u30fc\u3068\u306e\u3084\u308a\u53d6\u308a\u3092\u62c5\u5f53\u3059\u308b\u90e8\u5206\u3002JSP\u3084HTML\u3001JavaScript\u3001CSS\u306a\u3069\u304c\u3053\u306e\u5c64\u306b\u5c5e\u3057\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306e\u5165\u529b\u3092\u53d7\u3051\u53d6\u308a\u3001\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3059\u308b\u5f79\u5272\u3092\u6301\u3061\u307e\u3059\u3002<\/li>\n<li><strong>\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u5c64\uff08Service\uff09<\/strong>: \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u300c\u982d\u8133\u300d\u3068\u306a\u308b\u90e8\u5206\u3002\u696d\u52d9\u4e0a\u306e\u8907\u96d1\u306a\u30eb\u30fc\u30eb\u3084\u8a08\u7b97\u51e6\u7406\u3092\u62c5\u3044\u307e\u3059\u3002\u3053\u306e\u5c64\u306f\u7279\u5b9a\u306eUI\uff08JSP\u3084React\uff09\u306b\u4f9d\u5b58\u305b\u305a\u3001\u72ec\u7acb\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u5c64\uff08Repository\/DAO\uff09<\/strong>: \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3084\u5916\u90e8\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u62c5\u5f53\u3059\u308b\u90e8\u5206\u3002\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u66f8\u304d\u3084\u66f4\u65b0\u3092\u884c\u3044\u307e\u3059\u3002\u3053\u306e\u5c64\u3082\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u304b\u3089\u72ec\u7acb\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u7a2e\u985e\u3092\u5909\u66f4\u3059\u308b\u969b\u3082\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\n\u3053\u306e3\u5c64\u69cb\u9020\u306e\u6700\u5927\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u3001\u5404\u5c64\u304c\u72ec\u7acb\u3057\u3066\u3044\u308b\u305f\u3081\u3001<strong>\u7279\u5b9a\u306e\u5c64\u306e\u6280\u8853\u3092\u5909\u66f4\u3057\u3066\u3082\u3001\u4ed6\u306e\u5c64\u3078\u306e\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u308b<\/strong>\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u300c\u758e\u7d50\u5408\u300d\u306e\u8003\u3048\u65b9\u3053\u305d\u3001JSP\u304b\u3089React\u3078\u306e\u30b9\u30e0\u30fc\u30ba\u306a\u63db\u88c5\u3092\u53ef\u80fd\u306b\u3059\u308b\u9375\u3068\u306a\u308a\u307e\u3059\u3002\n<\/p>\n<hr>\n<h2 id=\"section-2\">JSP\u304b\u3089React\u3078\u3002\u6bb5\u968e\u7684\u30e2\u30c0\u30ca\u30a4\u30ba\u306e\u6226\u7565\u3068\u306d\u3089\u3044<\/h2>\n<p>\n\u300cJSP\u3092React\u98a8\u306b\u4f7f\u3046\u300d\u3068\u3044\u3046\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001<strong>\u300c\u6bb5\u968e\u7684\u30e2\u30c0\u30ca\u30a4\u30ba\u300d<\/strong>\u306e\u6226\u7565\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u65e2\u5b58\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u4e00\u5ea6\u306b\u3059\u3079\u3066\u7f6e\u304d\u63db\u3048\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u6bb5\u968e\u7684\u306b\u65b0\u3057\u3044\u6280\u8853\u3092\u5c0e\u5165\u3057\u3066\u3044\u304f\u624b\u6cd5\u3067\u3059\u3002\n<\/p>\n<p>\n\u79c1\u305f\u3061\u306e\u6226\u7565\u306f\u3001\u4ee5\u4e0b\u306e3\u3064\u306e\u5c64\u3092\u72ec\u7acb\u3055\u305b\u3066\u3001\u305d\u308c\u305e\u308c\u306e\u5f79\u5272\u3092\u660e\u78ba\u306b\u3059\u308b\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002\n<\/p>\n<ul>\n<li><strong>UI\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5c64\uff08JSP\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\uff09<\/strong>: \u307e\u305a\u306fJSP\u3068JavaScript\u3092\u4f7f\u3044\u3001\u5c0f\u3055\u306aUI\u90e8\u54c1\uff08\u30e6\u30fc\u30b6\u30fc\u4e00\u89a7\u3001\u304a\u77e5\u3089\u305b\u30dc\u30c3\u30af\u30b9\u306a\u3069\uff09\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001JSP\u3092React\u306e\u300c\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u300d\u306e\u3088\u3046\u306b\u6271\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u30d0\u30c3\u30af\u30a8\u30f3\u30c9API\u5c64\uff08Java\u30b5\u30fc\u30d6\u30ec\u30c3\u30c8\uff09<\/strong>: \u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u3092\u62c5\u3046Java\u306e\u30b3\u30fc\u30c9\u3068\u306f\u5225\u306b\u3001UI\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u5fc5\u8981\u3068\u3059\u308b\u30c7\u30fc\u30bf\u3092JSON\u5f62\u5f0f\u3067\u8fd4\u3059API\u3092Java\u30b5\u30fc\u30d6\u30ec\u30c3\u30c8\u3067\u69cb\u7bc9\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001<strong>\u5c06\u6765\u306eReact\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u304c\u5229\u7528\u3059\u308bAPI\u305d\u306e\u3082\u306e<\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\/\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u5c64<\/strong>: \u3053\u306e\u5c64\u306fUI\u306b\u4f9d\u5b58\u3057\u306a\u3044\u3001\u7d14\u7c8b\u306aJava\u306e\u30b3\u30fc\u30c9\u3068\u3057\u3066\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\n\u3053\u306e\u69cb\u6210\u306e\u306d\u3089\u3044\u306f\u3001<strong>\u300c\u4eca\u3001JSP\u3067\u52d5\u304d\u7d9a\u3051\u308b\u30b7\u30b9\u30c6\u30e0\u300d<\/strong>\u3068<strong>\u300c\u5c06\u6765\u3001React\u306b\u63db\u88c5\u3059\u308b\u305f\u3081\u306eAPI\u8cc7\u7523\u300d<\/strong>\u3092\u540c\u6642\u306b\u4f5c\u308a\u4e0a\u3052\u308b\u3053\u3068\u3067\u3059\u3002JSP\u304b\u3089React\u3078\u79fb\u884c\u3059\u308b\u969b\u306f\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9API\u5c64\u306f\u305d\u306e\u307e\u307e\u306b\u3001UI\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5c64\u3092JSP\u304b\u3089React\u306b\u7f6e\u304d\u63db\u3048\u308b\u3060\u3051\u3067\u6e08\u3080\u305f\u3081\u3001\u30ea\u30b9\u30af\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u307e\u3059\u3002\n<\/p>\n<hr>\n<h2 id=\"section-3\">\u5177\u4f53\u7684\u306a\u624b\u9806\uff1a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u74b0\u5883\u3068\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u69cb\u6210<\/h2>\n<p>\n\u3053\u306e\u6226\u7565\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u5177\u4f53\u7684\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u69cb\u6210\u3068\u3001\u958b\u767a\u74b0\u5883\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u624b\u9806\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\n<\/p>\n<p><strong>Step 1: \u958b\u767a\u74b0\u5883\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/strong><\/p>\n<p>\n\u307e\u305a\u306f\u3001\u4ee5\u4e0b\u306e\u6280\u8853\u30b9\u30bf\u30c3\u30af\u3092\u6e96\u5099\u3057\u307e\u3057\u3087\u3046\u3002\n<\/p>\n<ul>\n<li><strong>OS\/\u74b0\u5883<\/strong>: Windows 11 + WSL2<\/li>\n<li><strong>\u30d0\u30c3\u30af\u30a8\u30f3\u30c9<\/strong>: Java 17, Spring Boot, Servlet\/JSP<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/strong>: MySQL (Docker)<\/li>\n<li><strong>\u30d3\u30eb\u30c9\/\u7ba1\u7406<\/strong>: Maven<\/li>\n<li><strong>IDE<\/strong>: Eclipse<\/li>\n<\/ul>\n<p>\n\u7279\u306b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092Docker\u3067\u7ba1\u7406\u3059\u308b\u3053\u3068\u3067\u3001\u30c1\u30fc\u30e0\u5185\u306e\u74b0\u5883\u5dee\u7570\u3092\u306a\u304f\u3057\u3001\u7c21\u5358\u306b\u958b\u767a\u74b0\u5883\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002\n<\/p>\n<p><strong>Step 2: \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u69cb\u6210\u306e\u69cb\u7bc9<\/strong><\/p>\n<p>\n\u4ee5\u4e0b\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u69cb\u6210\u3092Maven\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u308c\u304c\u3001\u5404\u5c64\u306e\u8cac\u52d9\u3092\u660e\u78ba\u306b\u3059\u308b\u305f\u3081\u306e\u300c\u8a2d\u8a08\u56f3\u300d\u3068\u306a\u308a\u307e\u3059\u3002\n<\/p>\n<pre><code>project-root\/\n\u251c\u2500\u2500 backend\/                       # Spring Boot + Servlet\/JSP\n\u2502   \u251c\u2500\u2500 src\/main\/java\/com\/example\/app\/\n\u2502   \u2502   \u251c\u2500\u2500 controller\/            # REST API \/ \u30b5\u30fc\u30d6\u30ec\u30c3\u30c8\n\u2502   \u2502   \u251c\u2500\u2500 service\/               # \u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\n\u2502   \u2502   \u251c\u2500\u2500 repository\/            # DB\u30a2\u30af\u30bb\u30b9\n\u2502   \u2502   \u2514\u2500\u2500 config\/                # Spring \u8a2d\u5b9a\n\u2502   \u251c\u2500\u2500 src\/main\/webapp\/WEB-INF\/jsp\/ # JSP\u30d3\u30e5\u30fc\n\u2502   \u2502   \u251c\u2500\u2500 partials\/              # \u5171\u901a\u90e8\u54c1 (header, footer)\n\u2502   \u2502   \u251c\u2500\u2500 components\/            # UI\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u7528JSP\n\u2502   \u2502   \u2514\u2500\u2500 pages\/                 # \u5404\u753b\u9762\u30da\u30fc\u30b8\n\u2502   \u2514\u2500\u2500 pom.xml\n\u2502\n\u2514\u2500\u2500 db\/                            # DB\u95a2\u9023\n    \u251c\u2500\u2500 docker-compose.yml         # MySQL\u7528\n    \u2514\u2500\u2500 init.sql                   # \u521d\u671f\u30c7\u30fc\u30bf\u6295\u5165\n<\/code><\/pre>\n<p>\n\u3053\u306e\u69cb\u6210\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u3001UI\u90e8\u54c1\u3092<strong>`components\/`<\/strong>\u306b\u3001\u305d\u3057\u3066API\u30b5\u30fc\u30d6\u30ec\u30c3\u30c8\u3092<strong>`controller\/`<\/strong>\u306b\u660e\u78ba\u306b\u5206\u3051\u308b\u3053\u3068\u3067\u3059\u3002\n<\/p>\n<hr>\n<h2 id=\"section-4\">\u5b9f\u8df5\u4f8b\uff1a\u300c1\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8 = 1 API = 1 JS\u300d\u3067\u5b9f\u88c5\u3059\u308b<\/h2>\n<p>\n\u3053\u3053\u304b\u3089\u306f\u3001\u6700\u3082\u91cd\u8981\u306a\u539f\u5247\u3067\u3042\u308b<strong>\u300c1\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8 = 1 API = 1 JS\u300d<\/strong>\u3092\u3001\u5177\u4f53\u7684\u306a\u30e6\u30fc\u30b6\u30fc\u4e00\u89a7\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5b9f\u88c5\u3092\u901a\u3057\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\n<\/p>\n<p><strong>Step 1: JSP\u3067\u7a7a\u306e\u30b3\u30f3\u30c6\u30ca\u3092\u7528\u610f\u3059\u308b<\/strong><\/p>\n<p>\n`src\/main\/webapp\/WEB-INF\/jsp\/components\/userList.jsp`\u306b\u3001\u30c7\u30fc\u30bf\u304c\u633f\u5165\u3055\u308c\u308b\u305f\u3081\u306e\u7a7a\u306e\u30b3\u30f3\u30c6\u30ca\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\n<\/p>\n<pre><code>&lt;!-- userList.jsp --&gt;\n&lt;div id=\"user-list\"&gt;\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\u4e2d...&lt;\/div&gt;\n&lt;!-- \u3053\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5c02\u7528\u306eJS\u3092\u8aad\u307f\u8fbc\u307f --&gt;\n&lt;script src=\"\/static\/js\/userList.js\"&gt;&lt;\/script&gt;<\/code><\/pre>\n<p>\n\u3053\u306eJSP\u306f\u3001\u89aa\u30da\u30fc\u30b8\uff08\u4f8b\uff1a`dashboard.jsp`\uff09\u304b\u3089`&lt;%@ include file=&#8221;&#8230;&#8221; %&gt;`\u3067\u8aad\u307f\u8fbc\u307e\u308c\u308b\u3053\u3068\u3092\u60f3\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\n<\/p>\n<p><strong>Step 2: \u5c02\u7528\u306eJava\u30b5\u30fc\u30d6\u30ec\u30c3\u30c8\uff08API\uff09\u3092\u4f5c\u6210\u3059\u308b<\/strong><\/p>\n<p>\n`src\/main\/java\/com\/example\/app\/controller\/UserApiServlet.java`\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u3092JSON\u3067\u8fd4\u3059WebAPI\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002\n<\/p>\n<pre><code>@WebServlet(\"\/api\/v1\/users\")\npublic class UserApiServlet extends HttpServlet {\n    private final ObjectMapper mapper = new ObjectMapper(); \/\/ Jackson\u3092\u4f7f\u7528\n\n    @Override\n    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {\n        resp.setContentType(\"application\/json;charset=UTF-8\");\n        \/\/ \u672c\u6765\u306fService\u5c64\u3092\u547c\u3073\u51fa\u3057\u3001DB\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\n        List&lt;User&gt; users = List.of(new User(\"Taro\", 30), new User(\"Hanako\", 25));\n        mapper.writeValue(resp.getWriter(), users);\n    }\n}<\/code><\/pre>\n<p>\n\u3053\u306e\u30b5\u30fc\u30d6\u30ec\u30c3\u30c8\u306f\u3001UI\u306b\u4f9d\u5b58\u3057\u306a\u3044\u305f\u3081\u3001\u5c06\u6765React\u304c\u3053\u306eAPI\u3092\u547c\u3073\u51fa\u3057\u3066\u3082\u3001\u30b3\u30fc\u30c9\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\n<\/p>\n<p><strong>Step 3: \u5c02\u7528\u306eJavaScript\u3067\u30c7\u30fc\u30bf\u3092\u57cb\u3081\u8fbc\u3080<\/strong><\/p>\n<p>\n`src\/main\/webapp\/static\/js\/userList.js`\u306b\u3001API\u3092\u547c\u3073\u51fa\u3057\u3066HTML\u3092\u52d5\u7684\u306b\u751f\u6210\u3059\u308bJavaScript\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\n<\/p>\n<pre><code>\/\/ userList.js\ndocument.addEventListener(\"DOMContentLoaded\", async () => {\n  const container = document.getElementById(\"user-list\");\n  try {\n    const res = await fetch(\"\/api\/v1\/users\");\n    if (!res.ok) throw new Error(\"API\u901a\u4fe1\u30a8\u30e9\u30fc\");\n    const users = await res.json();\n    container.innerHTML = \"\"; \/\/ \u8aad\u307f\u8fbc\u307f\u4e2d\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6d88\u53bb\n    users.forEach(user => {\n      container.innerHTML += `&lt;div class=\"user-card\"&gt;&lt;p&gt;\u540d\u524d: ${user.name}&lt;\/p&gt;&lt;\/div&gt;`;\n    });\n  } catch (e) {\n    container.innerHTML = `&lt;p style=\"color:red;\"&gt;\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u306b\u5931\u6557\u3057\u307e\u3057\u305f\u3002&lt;\/p&gt;`;\n  }\n});<\/code><\/pre>\n<p>\n\u3053\u308c\u306b\u3088\u308a\u3001JSP\u304c\u30b5\u30fc\u30d0\u30fc\u3067HTML\u306e\u9aa8\u683c\u3092\u8fd4\u3057\u305f\u5f8c\u3001\u30d6\u30e9\u30a6\u30b6\u5074\u3067JavaScript\u304c\u975e\u540c\u671f\u3067\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u3001\u52d5\u7684\u306bUI\u3092\u5b8c\u6210\u3055\u305b\u307e\u3059\u3002\n<\/p>\n<hr>\n<h2 id=\"section-5\">\u307e\u3068\u3081\uff1a\u672a\u6765\u3092\u898b\u636e\u3048\u305f\u958b\u767a\u306e\u7b2c\u4e00\u6b69<\/h2>\n<p>\n\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001JSP\u3092\u4f7f\u3044\u306a\u304c\u3089\u3082\u3001\u5c06\u6765\u7684\u306aReact\u3078\u306e\u79fb\u884c\u3092\u8996\u91ce\u306b\u5165\u308c\u305f\u30d5\u30eb\u30b9\u30bf\u30c3\u30af\u958b\u767a\u306e\u6226\u7565\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002\n<\/p>\n<p>\n<strong>\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306e\u6700\u5927\u306e\u5229\u70b9\u306f\u3001\u4ee5\u4e0b\u306e3\u70b9\u306b\u96c6\u7d04\u3055\u308c\u307e\u3059\u3002<\/strong>\n<\/p>\n<ol>\n<li><strong>\u6bb5\u968e\u7684\u30e2\u30c0\u30ca\u30a4\u30ba<\/strong>: \u4eca\u3059\u3050\u5927\u898f\u6a21\u306a\u79fb\u884c\u3092\u305b\u305a\u3068\u3082\u3001\u5f90\u3005\u306b\u30e2\u30c0\u30f3\u306a\u6280\u8853\u3092\u53d6\u308a\u8fbc\u3081\u307e\u3059\u3002<\/li>\n<li><strong>\u5805\u7262\u306a\u8cac\u52d9\u5206\u96e2<\/strong>: \u30d0\u30c3\u30af\u30a8\u30f3\u30c9API\u3001\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9UI\u306e\u5f79\u5272\u304c\u660e\u78ba\u306b\u306a\u308a\u3001\u30b3\u30fc\u30c9\u306e\u4fdd\u5b88\u6027\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u518d\u5229\u7528\u53ef\u80fd\u306a\u8cc7\u7523<\/strong>: API\u5c64\u306fJSP\u304b\u3089\u3082React\u304b\u3089\u3082\u5229\u7528\u3067\u304d\u308b\u305f\u3081\u3001\u958b\u767a\u306e\u8cc7\u7523\u304c\u7121\u99c4\u306b\u306a\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ol>\n<p>\n\u3053\u306e\u8a2d\u8a08\u601d\u60f3\u306f\u3001\u5c0f\u898f\u6a21\u306a\u696d\u52d9\u30c4\u30fc\u30eb\u304b\u3089\u59cb\u3081\u3001\u5c06\u6765\u7684\u306a\u30d3\u30b8\u30cd\u30b9\u6210\u9577\u306b\u3082\u5bfe\u5fdc\u3067\u304d\u308b\u3001\u975e\u5e38\u306b\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u3059\u3002\n<\/p>\n<hr>\n<h2 id=\"section-6\">\u884c\u52d5\u559a\u8d77\uff08CTA\uff09<\/h2>\n<p>\n\u3082\u3057\u3042\u306a\u305f\u304c\u3001JSP\u30d9\u30fc\u30b9\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u30e2\u30c0\u30f3\u5316\u3057\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u308b\u306a\u3089\u3001\u305c\u3072\u4eca\u65e5\u304b\u3089\u3053\u306e\u300cJava3\u5c64\u69cb\u9020\u300d\u3068\u300c1\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8 = 1 API = 1 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