{"id":1904,"date":"2026-08-04T16:41:15","date_gmt":"2026-08-04T16:41:15","guid":{"rendered":"https:\/\/www.vpascode.com\/ja\/complete-guide-to-plantuml-sequence-diagrams-syntax-examples-best-practices-2\/"},"modified":"2026-08-04T16:41:15","modified_gmt":"2026-08-04T16:41:15","slug":"complete-guide-to-plantuml-sequence-diagrams-syntax-examples-best-practices-2","status":"publish","type":"post","link":"https:\/\/www.vpascode.com\/ja\/complete-guide-to-plantuml-sequence-diagrams-syntax-examples-best-practices-2\/","title":{"rendered":"PlantUML\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\uff1a\u69cb\u6587\u3001\u4f8b\u3001\u304a\u3088\u3073\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9"},"content":{"rendered":"<p><!-- Meta Title: PlantUML Sequence Diagrams: Complete Guide & Editor Meta Description: Learn PlantUML sequence diagram syntax, real-world examples, and best practices. Start building diagrams instantly with a free sequence diagram editor. SEO Friendly Slug: what-is-plantuml-sequence-diagram-guide --><\/p>\n<p>A <strong>PlantUML\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3<\/strong>\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3084\u30d7\u30ed\u30bb\u30b9\u304c\u6642\u9593\u3068\u3068\u3082\u306b\u3069\u306e\u3088\u3046\u306b\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u304b\u3092\u30c6\u30ad\u30b9\u30c8\u30d9\u30fc\u30b9\u3067\u8868\u73fe\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u30d7\u30ec\u30fc\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u30c9\u30e1\u30a4\u30f3\u56fa\u6709\u8a00\u8a9e\uff08DSL\uff09\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u958b\u767a\u8005\u306f\u56f3\u3092\u81ea\u52d5\u7684\u306b\u304d\u308c\u3044\u306a\u8996\u899a\u7684\u8868\u73fe\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u56f3\u306e\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002\u76f4\u611f\u7684\u306a<strong>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u30a8\u30c7\u30a3\u30bf<\/strong>\u307e\u305f\u306f\u67d4\u8edf\u306a<strong>PlantUML\u30a8\u30c7\u30a3\u30bf<\/strong>\u30b7\u30b9\u30c6\u30e0\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u8a2d\u8a08\u30fb\u6587\u66f8\u5316\u30fb\u5171\u6709\u3059\u308b\u305f\u3081\u306b\u306f\u3001PlantUML\u306e\u69cb\u6587\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u3001\u6280\u8853\u6587\u66f8\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u6539\u5584\u3059\u308b\u6700\u3082\u901f\u3044\u65b9\u6cd5\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n<p><img fetchpriority=\"high\" alt=\"Illustrated guide banner showing a PlantUML sequence diagram code on the left transforming into a clean rendered visual workflow on the right.\" class=\"alignnone size-full wp-image-1815\" decoding=\"async\" fetchpriority=\"high\" height=\"816\" sizes=\"(max-width: 1312px) 100vw, 1312px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/plantuml-sequence-diagram-guide-hero-banner.jpg\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/plantuml-sequence-diagram-guide-hero-banner.jpg 1312w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/plantuml-sequence-diagram-guide-hero-banner-300x187.jpg 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/plantuml-sequence-diagram-guide-hero-banner-1024x637.jpg 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/plantuml-sequence-diagram-guide-hero-banner-768x478.jpg 768w\" width=\"1312\"\/><\/p>\n<hr\/>\n<h2>PlantUML\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3068\u306f\u4f55\u304b\uff1f\uff08\u305d\u3057\u3066\u56f3\u3092\u30b3\u30fc\u30c9\u3068\u3057\u3066\u4f7f\u3046\u7406\u7531\uff09<\/h2>\n<p>PlantUML\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306f\u3001\u7279\u5b9a\u306e\u5b9f\u884c\u30b7\u30ca\u30ea\u30aa\u4e2d\u306b\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u53c2\u52a0\u8005\u9593\u3067\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u3067\u4ea4\u63db\u3055\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6d41\u308c\u3092\u793a\u3057\u307e\u3059\u3002\u5f93\u6765\u306e\u30c9\u30e9\u30c3\u30b0\u30a2\u30f3\u30c9\u30c9\u30ed\u30c3\u30d7\u578b\u306e\u8a2d\u8a08\u30c4\u30fc\u30eb\u3068\u306f\u7570\u306a\u308a\u3001PlantUML\u306f<strong>\u56f3\u3092\u30b3\u30fc\u30c9\u3068\u3057\u3066\u6271\u3046<\/strong>\u3068\u3044\u3046\u30d1\u30e9\u30c0\u30a4\u30e0\u306b\u5f93\u3063\u3066\u304a\u308a\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a2\u30fc\u30ad\u30c6\u30af\u30c8\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u8aad\u307f\u3084\u3059\u3044\u30b9\u30af\u30ea\u30d7\u30c8\u30d5\u30a1\u30a4\u30eb\uff08\u4f8b\uff1a<code>.puml<\/code>\uff09\u3092\u8a18\u8ff0\u3057\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u7684\u306b\u56f3\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u4e3b\u306a\u5229\u70b9\uff1a\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u3001\u30b9\u30d4\u30fc\u30c9\u3001\u4e00\u8cab\u6027<\/h3>\n<ul>\n<li><strong>\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u5bfe\u5fdc\uff1a<\/strong>\u56f3\u304c\u30d7\u30ec\u30fc\u30f3\u30c6\u30ad\u30b9\u30c8\u3068\u3057\u3066\u5b58\u5728\u3059\u308b\u305f\u3081\u3001Git\u30ea\u30dd\u30b8\u30c8\u30ea\u306b\u683c\u7d0d\u3067\u304d\u3001\u5dee\u5206\u6bd4\u8f03\u3084\u30de\u30fc\u30b8\u304c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b3\u30fc\u30c9\u3068\u4e00\u7dd2\u306b\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u4fdd\u5b88\u306e\u30b9\u30d4\u30fc\u30c9\uff1a<\/strong>\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u66f4\u65b0\u306f\u6570\u79d2\u3067\u5b8c\u4e86\u3057\u307e\u3059\u3002\u30dc\u30c3\u30af\u30b9\u306e\u518d\u914d\u7f6e\u3084\u77e2\u5370\u306e\u624b\u52d5\u63a5\u7d9a\u3092\u884c\u3046\u4ee3\u308f\u308a\u306b\u3001\u5358\u306b\u30c6\u30ad\u30b9\u30c8\u306e1\u884c\u3092\u7de8\u96c6\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/li>\n<li><strong>\u8996\u899a\u7684\u4e00\u8cab\u6027\uff1a<\/strong>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\u304c\u30ec\u30a4\u30a2\u30a6\u30c8\u3001\u6574\u5217\u3001\u4f59\u767d\u3092\u81ea\u52d5\u8a08\u7b97\u3057\u3001\u30c1\u30fc\u30e0\u306e\u3059\u3079\u3066\u306e\u6587\u66f8\u306b\u304a\u3044\u3066\u4e00\u8cab\u3057\u305f\u30b9\u30bf\u30a4\u30eb\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<hr\/>\n<h2>\u57fa\u672c\u69cb\u6587\uff1a\u6700\u521d\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>PlantUML\u306f\u3001\u30b7\u30f3\u30d7\u30eb\u3067\u4eba\u9593\u304c\u8aad\u307f\u3084\u3059\u3044\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u76f8\u4e92\u4f5c\u7528\u306e\u30d1\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<h3>\u53c2\u52a0\u8005\u3001\u30a2\u30af\u30bf\u30fc\u3001\u5883\u754c\u306e\u5ba3\u8a00<\/h3>\n<p>\u30b7\u30b9\u30c6\u30e0\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u304a\u3051\u308b\u5f79\u5272\u306b\u4e00\u81f4\u3059\u308b\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u53c2\u52a0\u8005\u3092\u660e\u793a\u7684\u306b\u5b9a\u7fa9\u3067\u304d\u307e\u3059\uff1a<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:DO_12eCm44JlWVp3adlnxg6e5OfGg6qgFMzYAA5gGhAs-FUDOc-p-nuCKqJ2GFCuS8QQN80kci2PJq-hhSU9G9Hj0sSayyL50CP_vgn7GeNHW6XTf5SmydRPZBhYJBbvwZ4i89v6GUdzHhg6CyxM4ZWSqvN3QR3w7K7EQhIKKBE2lIA7zYeVaA6tMTo57QrMNUKWyMFWRhGBFMU5cVgqvGS0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode\u3067Plantuml\u3092\u7de8\u96c6<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:DO-n2i8m54NtGFxXaLswTv1M12a8LcfnVcs35BGDIOfqRIPN9nT_G1G7Ly6FYVw7QT7jldiFz_82fL7gPhUb17DTIqWLbvG8PvPvAR3ImC8uWXbgliUM0Qg_fgH0ZHag3YokbTv8dYpd0p6TK9BLJLMWR86jUGQX44EIHfHGqe_0QEmk7v8csvNQTaVRtQsvM6ESS4ZK0xyf7-95iW8FHUcfWQVa5_NKTEA3DLVRFQnvMdDmPU_N-NCxKHBmgd3VVG40\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"language-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\nactor User\r\nparticipant \"API Gateway\" as Gateway\r\ndatabase \"PostgreSQL\" as DB\r\nboundary \"Web App\" as UI\r\n\r\nUser -&gt; UI: Submit\u3092\u30af\u30ea\u30c3\u30af\r\nUI -&gt; Gateway: POST \/api\/submit\r\nGateway -&gt; DB: \u30ec\u30b3\u30fc\u30c9\u3092\u4fdd\u5b58\r\n@enduml<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:DO-n2i8m54NtGFxXaLswTv1M12a8LcfnVcs35BGDIOfqRIPN9nT_G1G7Ly6FYVw7QT7jldiFz_82fL7gPhUb17DTIqWLbvG8PvPvAR3ImC8uWXbgliUM0Qg_fgH0ZHag3YokbTv8dYpd0p6TK9BLJLMWR86jUGQX44EIHfHGqe_0QEmk7v8csvNQTaVRtQsvM6ESS4ZK0xyf7-95iW8FHUcfWQVa5_NKTEA3DLVRFQnvMdDmPU_N-NCxKHBmgd3VVG40\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:DO_12eCm44JlWVp3adlnxg6e5OfGg6qgFMzYAA5gGhAs-FUDOc-p-nuCKqJ2GFCuS8QQN80kci2PJq-hhSU9G9Hj0sSayyL50CP_vgn7GeNHW6XTf5SmydRPZBhYJBbvwZ4i89v6GUdzHhg6CyxM4ZWSqvN3QR3w7K7EQhIKKBE2lIA7zYeVaA6tMTo57QrMNUKWyMFWRhGBFMU5cVgqvGS0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode\u3067Plantuml\u3092\u7de8\u96c6<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3>\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u77e2\u5370\uff1a\u540c\u671f\u547c\u3073\u51fa\u3057\u3068\u975e\u540c\u671f\u547c\u3073\u51fa\u3057<\/h3>\n<p>\u77e2\u5370\u306e\u65b9\u5411\u3068\u5916\u89b3\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u901a\u4fe1\u306e\u6d41\u308c\u3092\u793a\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n<p>\u00a0<\/p>\n<table>\n<thead>\n<tr>\n<th>\u69cb\u6587<\/th>\n<th>\u8996\u899a\u7684\u51fa\u529b<\/th>\n<th>\u901a\u4fe1\u30bf\u30a4\u30d7<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>A -&gt; B<\/code><\/td>\n<td>\u5b9f\u7dda\u77e2\u5370\uff08\u5b9f\u7dda\u306e\u5148\u7aef\uff09<\/td>\n<td>\u540c\u671f\u30e1\u30c3\u30bb\u30fc\u30b8\u547c\u3073\u51fa\u3057<\/td>\n<\/tr>\n<tr>\n<td><code>A --&gt; B<\/code><\/td>\n<td>\u70b9\u7dda\u77e2\u5370\uff08\u5b9f\u7dda\u306e\u5148\u7aef\uff09<\/td>\n<td>\u5fdc\u7b54 \/ \u623b\u308a\u30e1\u30c3\u30bb\u30fc\u30b8<\/td>\n<\/tr>\n<tr>\n<td><code>A -&gt;&gt; B<\/code><\/td>\n<td>\u5b9f\u7dda\u77e2\u5370\uff08\u958b\u653e\u3055\u308c\u305f\u5148\u7aef\uff09<\/td>\n<td>\u975e\u540c\u671f\u30e1\u30c3\u30bb\u30fc\u30b8\u547c\u3073\u51fa\u3057<\/td>\n<\/tr>\n<tr>\n<td><code>A - B<\/code><\/td>\n<td>\u534a\u5206\u306e\u5148\u7aef\u3092\u6301\u3064\u77e2\u5370<\/td>\n<td>\u5358\u65b9\u5411 \/ \u30a4\u30d9\u30f3\u30c8\u30e1\u30c3\u30bb\u30fc\u30b8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr\/>\n<h2>\u5b9f\u4e16\u754c\u306ePlantUML\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u4f8b<\/h2>\n<p>\u3053\u308c\u3089\u306e\u4e00\u822c\u7684\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u30d1\u30bf\u30fc\u30f3\u3092\u30b3\u30d4\u30fc\u3057\u3066\u3001\u3042\u306a\u305f\u306e\u6280\u8853\u6587\u66f8\u306b\u9069\u5fdc\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u4f8b1\uff1a\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u304a\u3088\u3073JWT\u30c8\u30fc\u30af\u30f3\u306e\u6d41\u308c<\/h3>\n<p><img alt=\"Sequence diagram example 'User Authentication &amp; JWT Token Flow'\" class=\"alignnone wp-image-1839 size-full\" decoding=\"async\" height=\"745\" sizes=\"(max-width: 1192px) 100vw, 1192px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7214a2d6f33.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7214a2d6f33.png 1192w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7214a2d6f33-300x188.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7214a2d6f33-1024x640.png 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7214a2d6f33-768x480.png 768w\" width=\"1192\"\/><\/p>\n<p>\u5bfe\u5fdc\u3059\u308bPlantUML\u30b3\u30fc\u30c9\uff1a<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:ZL6xJiCm5Dqj-H-ECfMXQa1C6L2RPW660arXTfqhQk7QbH-HuEkvIIgW6vxiw_Eqbp6faFBHIg5oyYuVznHuhvCFM5j3BabnOeZHvgHSGh7AwO0jXTveAg0YXe4KdKfghoAXs4KAQCx74T7KKaWngM5-Dp8gF6ssBHRMlnk7cGxKyQrHDbwDzgPNYSxQeoNpchh2SwRmYJnu1D8-T7_GWqzJO_vZyK8f1pUXXu0SaoxGJBO9hygQ3klV25A0rsJBObFo2ZTbYSqZPWzlBLPQKune_GSvJaoMgz-x_fzAj-KrTevV_E23-I8kGQwxI3SrN_AOF-SR\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode\u3067Plantuml\u3092\u7de8\u96c6<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SoWkIImgAStDuULAB2t9polDJKej0hAJI_AB59npCbFpIdYv2e1ACfCp2nBpIXIKNgpgVR5Yp-EchO-RzpnkdlouQQUIGcAnWcDfIGOlLqfYIM9IOd6gWjBZvcKW1KtRWAIB4rY9YnCl5oyNn505NJkm5Yk50F_W40NzdFpqp3m53OZXpvfRdoxOg0bsHcPPOaagr7GG2TBeucIbW6p-YnKpNlPiUjmqwNdhyYTxPY7f0rdfugIW2xSDMHl46g2s5_kdFEtT0dHzAef6e3av9GhFvdG-xThvk74LijjukHI00E8UeDaGFraf61aOAFXxAsXuXOSyRbhqk6dzuwRTm01wtDm1jdJzu-RDG5-bvW03w7dBGgADDJ4mL0ZD0yPFHdvHPbLg2j28l1GKvqB2nm4e38nA0000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"language-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\nautonumber\r\nactor Client\r\nparticipant \"\u8a8d\u8a3c\u30b5\u30fc\u30d3\u30b9\" as Auth\r\ndatabase \"\u30e6\u30fc\u30b6\u30fcDB\" as DB\r\n\r\nClient -&gt; Auth: POST \/login (\u8a8d\u8a3c\u60c5\u5831)\r\nactivate Auth\r\nAuth -&gt; DB: \u30e6\u30fc\u30b6\u30fc\u8a18\u9332\u3092\u7167\u4f1a\r\nactivate DB\r\nDB --&gt; Auth: \u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u3092\u8fd4\u5374\r\ndeactivate DB\r\n\r\nalt \u6709\u52b9\u306a\u8a8d\u8a3c\u60c5\u5831\r\n    Auth --&gt; Client: 200 OK (JWT\u30a2\u30af\u30bb\u30b9\u30c8\u30fc\u30af\u30f3)\r\nelse \u7121\u52b9\u306a\u8a8d\u8a3c\u60c5\u5831\r\n    Auth --&gt; Client: 401 Unauthorized\r\nend\r\ndeactivate Auth\r\n@enduml\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SoWkIImgAStDuULAB2t9polDJKej0hAJI_AB59npCbFpIdYv2e1ACfCp2nBpIXIKNgpgVR5Yp-EchO-RzpnkdlouQQUIGcAnWcDfIGOlLqfYIM9IOd6gWjBZvcKW1KtRWAIB4rY9YnCl5oyNn505NJkm5Yk50F_W40NzdFpqp3m53OZXpvfRdoxOg0bsHcPPOaagr7GG2TBeucIbW6p-YnKpNlPiUjmqwNdhyYTxPY7f0rdfugIW2xSDMHl46g2s5_kdFEtT0dHzAef6e3av9GhFvdG-xThvk74LijjukHI00E8UeDaGFraf61aOAFXxAsXuXOSyRbhqk6dzuwRTm01wtDm1jdJzu-RDG5-bvW03w7dBGgADDJ4mL0ZD0yPFHdvHPbLg2j28l1GKvqB2nm4e38nA0000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:ZL6xJiCm5Dqj-H-ECfMXQa1C6L2RPW660arXTfqhQk7QbH-HuEkvIIgW6vxiw_Eqbp6faFBHIg5oyYuVznHuhvCFM5j3BabnOeZHvgHSGh7AwO0jXTveAg0YXe4KdKfghoAXs4KAQCx74T7KKaWngM5-Dp8gF6ssBHRMlnk7cGxKyQrHDbwDzgPNYSxQeoNpchh2SwRmYJnu1D8-T7_GWqzJO_vZyK8f1pUXXu0SaoxGJBO9hygQ3klV25A0rsJBObFo2ZTbYSqZPWzlBLPQKune_GSvJaoMgz-x_fzAj-KrTevV_E23-I8kGQwxI3SrN_AOF-SR\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode\u3067Plantuml\u3092\u7de8\u96c6<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3>\u4f8b2\uff1aEC\u30b5\u30a4\u30c8\u306e\u6c7a\u6e08\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u7d71\u5408<\/h3>\n<p id=\"lYxOGZN\"><img alt=\"Sequence diagram example: 'E-Commerce Payment Gateway Integration'\" class=\"alignnone wp-image-1840 size-full\" decoding=\"async\" height=\"745\" sizes=\"(max-width: 1192px) 100vw, 1192px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a721507ddca4.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a721507ddca4.png 1192w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a721507ddca4-300x188.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a721507ddca4-1024x640.png 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a721507ddca4-768x480.png 768w\" width=\"1192\"\/><\/p>\n<p>\u5bfe\u5fdc\u3059\u308bPlantUML\u30b3\u30fc\u30c9\uff1a<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:PL512i8m4Bm7yeT5FEYX7-X12Zr8JnQA3mZ9QeEsAPkqukzTsmHBFIMxCpipcnG-A0fZzvH2wU08oj47ro59CJ1WjHrK7s1NjgWVRWnmhNQWF1yRmeKC4ZH8azKuK-REXbMhTuTyEQk0B_MUUR4dXHJ97B8JE-HGklvcgKjIr-eBp0LZX2oI80vlfrMzn65sLC-X9gVHUoXRHNU4m_wucbfbI16pdrLgDQFMY0QD50R_PwDdpBvKSOFDo6eVPgUjSsXQzuAgdno_8UlUKOe2UyFVym40\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode\u3067Plantuml\u3092\u7de8\u96c6<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SoWkIImgAStDuULAJ2x9Br9mBYqkoSzDBUBbAW1AP2Pd5YJcbIWeFMvkVDoq_75py-EczO-R5ZrkMlQukIFKKqaXiLWXr1DDyRFDAvvDQt_SjFLnyvx7pPCVD-q4g_ClIi4mzzd6NSzsT3nksWHMsW4o5sXDqnAmXe34ojpKl19UBbukcBCKTEs0zbafmAoOz7pHhXUhUdcvGZr1Kc0ha6IVx9tph6C2s6-PPOabgJ0tW2cG1gWLG2rJrZ_hdFguiULf-xBd4zeKD5GqaRGXkGJALD15iWwc5sZNqwxvl5mfgPWweLQYk1_cU2JrK0U2l0DK2lEsbSABrTtFDZOzcxtZSVCiK5WrxG1wxyN25S-NxEBbSaZDIm768G00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"language-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\nactor Customer\r\nparticipant \"\u30c1\u30a7\u30c3\u30af\u30a2\u30a6\u30c8UI\" as UI\r\nparticipant \"\u6ce8\u6587\u30b5\u30fc\u30d3\u30b9\" as Order\r\nparticipant \"\u6c7a\u6e08\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\" as Payment\r\n\r\nCustomer -&gt; UI: \u6ce8\u6587\u3092\u78ba\u8a8d\r\nUI -&gt; Order: \u6ce8\u6587\u3092\u4f5c\u6210\r\nactivate Order\r\nOrder -&gt; Payment: \u652f\u6255\u3044\u51e6\u7406 ($)\r\nactivate Payment\r\n\r\nPayment --&gt; Order: \u652f\u6255\u3044\u6210\u529f\r\ndeactivate Payment\r\nOrder --&gt; UI: \u6ce8\u6587\u78ba\u8a8d\r\ndeactivate Order\r\nUI --&gt; Customer: \u8acb\u6c42\u66f8\u30da\u30fc\u30b8\u3092\u8868\u793a\r\n@enduml<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SoWkIImgAStDuULAJ2x9Br9mBYqkoSzDBUBbAW1AP2Pd5YJcbIWeFMvkVDoq_75py-EczO-R5ZrkMlQukIFKKqaXiLWXr1DDyRFDAvvDQt_SjFLnyvx7pPCVD-q4g_ClIi4mzzd6NSzsT3nksWHMsW4o5sXDqnAmXe34ojpKl19UBbukcBCKTEs0zbafmAoOz7pHhXUhUdcvGZr1Kc0ha6IVx9tph6C2s6-PPOabgJ0tW2cG1gWLG2rJrZ_hdFguiULf-xBd4zeKD5GqaRGXkGJALD15iWwc5sZNqwxvl5mfgPWweLQYk1_cU2JrK0U2l0DK2lEsbSABrTtFDZOzcxtZSVCiK5WrxG1wxyN25S-NxEBbSaZDIm768G00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#plantuml:PL512i8m4Bm7yeT5FEYX7-X12Zr8JnQA3mZ9QeEsAPkqukzTsmHBFIMxCpipcnG-A0fZzvH2wU08oj47ro59CJ1WjHrK7s1NjgWVRWnmhNQWF1yRmeKC4ZH8azKuK-REXbMhTuTyEQk0B_MUUR4dXHJ97B8JE-HGklvcgKjIr-eBp0LZX2oI80vlfrMzn65sLC-X9gVHUoXRHNU4m_wucbfbI16pdrLgDQFMY0QD50R_PwDdpBvKSOFDo6eVPgUjSsXQzuAgdno_8UlUKOe2UyFVym40\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>VPasCode\u3067Plantuml\u3092\u7de8\u96c6<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<hr\/>\n<h2>\u9ad8\u5ea6\u306a PlantUML \u6a5f\u80fd\uff1a\u30eb\u30fc\u30d7\u3001\u6761\u4ef6\u5206\u5c90\u3001\u30b0\u30eb\u30fc\u30d7\u5316<\/h2>\n<p>\u8907\u96d1\u306a\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u3092\u6b63\u78ba\u306b\u8a18\u8ff0\u3059\u308b\u305f\u3081\u3001PlantUML \u306f\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u660e\u78ba\u306a\u8996\u899a\u7684\u30d5\u30ec\u30fc\u30e0\u3067\u56f2\u3080\u7d44\u307f\u8fbc\u307f\u5236\u5fa1\u69cb\u9020\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u30ed\u30b8\u30c3\u30af\u3092\u8868\u73fe\u3059\u308b\u306b\u306f<code>alt<\/code>, <code>opt<\/code>\u3001\u304a\u3088\u3073<code>loop<\/code>\u30d6\u30ed\u30c3\u30af<\/h3>\n<ul>\n<li><code>alt \/ else<\/code>: \u6761\u4ef6\u5206\u5c90\u3092\u8868\u3057\u307e\u3059\uff08<code>if-else<\/code>\u69cb\u6587\u3068\u4f3c\u3066\u3044\u307e\u3059\uff09\u3002<\/li>\n<li><code>opt<\/code>: \u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u305f\u5834\u5408\u306b\u306e\u307f\u5b9f\u884c\u3055\u308c\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u8868\u3057\u307e\u3059\u3002<\/li>\n<li><code>loop<\/code>: \u7e70\u308a\u8fd4\u3057\u306e\u76f8\u4e92\u4f5c\u7528\u3084\u30dd\u30fc\u30ea\u30f3\u30b0\u30bf\u30b9\u30af\u3092\u8868\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u306e\u6709\u52b9\u5316\u3068\u7121\u52b9\u5316\uff08<code>activate<\/code> \/ <code>deactivate<\/code>)<\/h3>\n<p>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u5b9f\u969b\u306b\u4f5c\u696d\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u660e\u78ba\u306b\u793a\u3059\u306b\u306f\u3001<code>activate<\/code> \u304a\u3088\u3073<code>deactivate<\/code>\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3001\u307e\u305f\u306f<code>++<\/code> \u304a\u3088\u3073<code>--<\/code>\u77e2\u5370\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u3078\u306e\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u53c2\u52a0\u8005\u306e\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u4e0a\u306b\u5782\u76f4\u306e\u5b9f\u884c\u30d0\u30fc\u304c\u4f5c\u6210\u3055\u308c\u3001\u5b9f\u884c\u6642\u9593\u3068\u30b7\u30b9\u30c6\u30e0\u8ca0\u8377\u304c\u5f37\u8abf\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<hr\/>\n<h2>PlantUML\u306e\u3088\u304f\u3042\u308b\u554f\u984c\u70b9\uff08\u305d\u3057\u3066\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5\uff09<\/h2>\n<p>PlantUML\u306f\u975e\u5e38\u306b\u5f37\u529b\u3067\u3059\u304c\u3001Java\u3084Graphviz\u306e\u3088\u3046\u306a\u30ed\u30fc\u30ab\u30eb\u4f9d\u5b58\u95a2\u4fc2\u3092\u8a2d\u5b9a\u3059\u308b\u969b\u306b\u306f\u3001\u958b\u767a\u8005\u306b\u3068\u3063\u3066\u4e0d\u8981\u306a\u6469\u64e6\u304c\u751f\u3058\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30ed\u30fc\u30ab\u30ebJava\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306a\u3057\u3067PlantUML\u306e\u69cb\u6587\u30a8\u30e9\u30fc\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>\u30ed\u30fc\u30ab\u30eb\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u74b0\u5883\u306e\u4e0d\u4e00\u81f4\u3084\u4f9d\u5b58\u95a2\u4fc2\u306e\u6b20\u843d\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3084\u3059\u3044\u3067\u3059\u3002\u73fe\u4ee3\u7684\u306a\u30aa\u30f3\u30e9\u30a4\u30f3<strong>\u7121\u6599\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u30a8\u30c7\u30a3\u30bf<\/strong> \u4f8b\u3048\u3070 <a href=\"https:\/\/vpascode.com\" rel=\"noopener\" target=\"_blank\">VPasCode<\/a>\u74b0\u5883\u8a2d\u5b9a\u3092\u5b8c\u5168\u306b\u4e0d\u8981\u306b\u3057\u307e\u3059\u3002\u69cb\u6587\u30a8\u30e9\u30fc\u306b\u906d\u9047\u3057\u305f\u5834\u5408\u3001VPasCode\u306f\u7d44\u307f\u8fbc\u307f\u306eAI\u30b3\u30fc\u30c9\u30a8\u30e9\u30fc\u4fee\u6b63\u6a5f\u80fd\u3092\u5099\u3048\u3066\u304a\u308a\u3001\u7121\u52b9\u306a\u884c\u3092\u7279\u5b9a\u3057\u3066\u5373\u5ea7\u306b\u4fee\u6b63\u3057\u307e\u3059\u3002<\/p>\n<h3>\u56f3\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3068\u6280\u8853\u6587\u66f8\u3078\u306e\u57cb\u3081\u8fbc\u307f<\/h3>\n<p>\u6280\u8853\u30c1\u30fc\u30e0\u9593\u3067\u9759\u7684\u56f3\u3092\u5171\u6709\u3059\u308b\u3068\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u304c\u58ca\u308c\u304c\u3061\u3067\u3059\u3002\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u6700\u65b0\u306e\u72b6\u614b\u306b\u4fdd\u3064\u305f\u3081\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u56f3\u3092\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a\u30d9\u30af\u30bf\u30fc\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30b9\uff08SVG\uff09\u307e\u305f\u306f\u9ad8\u89e3\u50cf\u5ea6PNG\u3068\u3057\u3066\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3088\u308a\u6df1\u3044\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u7d71\u5408\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001VPasCode\u304cVisual Paradigm OpenDocs\u306b\u76f4\u63a5\u63a5\u7d9a\u3055\u308c\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u4ed5\u69d8\u3068\u4e26\u884c\u3057\u3066\u56f3\u3092\u30cd\u30a4\u30c6\u30a3\u30d6\u306b\u7dad\u6301\u3067\u304d\u307e\u3059\u3002<\/p>\n<hr\/>\n<h2>VPasCode\u3067PlantUML\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u5373\u5ea7\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304a\u3088\u3073\u7de8\u96c6<\/h2>\n<p><a href=\"https:\/\/vpascode.com\" rel=\"noopener\" target=\"_blank\">Visual Paradigm VPasCode<\/a>\u306f\u3001\u958b\u767a\u8005\u3001\u6280\u8853\u6587\u66f8\u4f5c\u6210\u8005\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a2\u30fc\u30ad\u30c6\u30af\u30c8\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u305f\u7d71\u5408\u578b\u56f3\u3068\u3057\u3066\u306e\u30b3\u30fc\u30c9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u3059\u3002<\/p>\n<h3>\u30e9\u30a4\u30d6\u30d7\u30ec\u30d3\u30e5\u30fc\u3068\u81ea\u52d5\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u691c\u51fa<\/h3>\n<p>VPasCode\u306f\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u4e0d\u8981\u306e\u30d6\u30e9\u30a6\u30b6\u74b0\u5883\u3092\u5099\u3048\u3066\u304a\u308a\u3001\u81ea\u52d5\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u691c\u51fa\u6a5f\u80fd\u3082\u642d\u8f09\u3057\u3066\u3044\u307e\u3059\u3002PlantUML\u3001Mermaid\u3001D2\u3001\u307e\u305f\u306fGraphviz\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u305d\u306e\u307e\u307e\u30a8\u30c7\u30a3\u30bf\u306b\u8cbc\u308a\u4ed8\u3051\u308b\u3060\u3051\u3067\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u81ea\u52d5\u7684\u306b\u8a00\u8a9e\u3092\u8b58\u5225\u3057\u3001\u5165\u529b\u3057\u306a\u304c\u3089\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u30d7\u30ec\u30d3\u30e5\u30fc\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30ef\u30f3\u30af\u30ea\u30c3\u30afAI\u30b3\u30fc\u30c9\u4fee\u5fa9\u3068\u4e26\u5217\u6bd4\u8f03\u306b\u3088\u308b\u5dee\u5206\u8aac\u660e<\/h3>\n<p>\u6fc3\u5bc6\u306a\u30b7\u30fc\u30b1\u30f3\u30b9\u8ad6\u7406\u3092\u6271\u3046\u969b\u306b\u306f\u3001\u30bf\u30a4\u30dd\u304c\u767a\u751f\u3057\u307e\u3059\u3002VPasCode\u306e<strong>AI\u306b\u3088\u308b\u4fee\u6b63<\/strong>\u30a8\u30f3\u30b8\u30f3\u3092\u4f7f\u3048\u3070\u30011\u30af\u30ea\u30c3\u30af\u3067\u7834\u640d\u3057\u305f\u30b3\u30fc\u30c9\u3092\u89e3\u6c7a\u3067\u304d\u3001\u900f\u660e\u306a\u4e26\u5217\u6bd4\u8f03\u306b\u3088\u308b\u30b3\u30fc\u30c9\u5dee\u5206\u3068\u69cb\u6587\u306e\u8aac\u660e\u3092\u78ba\u8a8d\u3057\u306a\u304c\u3089\u3001PlantUML\u306e\u69cb\u6587\u3092\u3088\u308a\u8fc5\u901f\u306b\u7fd2\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n<hr\/>\n<h2>PlantUML\u3068Mermaid\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\uff1a\u3069\u3061\u3089\u3092\u9078\u3076\u3079\u304d\u304b\uff1f<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u6a5f\u80fd<\/th>\n<th>PlantUML<\/th>\n<th>Mermaid<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u69cb\u6587\u306e\u67d4\u8edf\u6027<\/strong><\/td>\n<td>\u8c4a\u5bcc\u306a\u6a5f\u80fd\uff1b\u9ad8\u5ea6\u306a\u30b9\u30bf\u30a4\u30eb\u8a2d\u5b9a\u3068\u8907\u96d1\u306a\u69cb\u9020\u3092\u30b5\u30dd\u30fc\u30c8<\/td>\n<td>\u7c21\u6f54\u306a\u69cb\u6587\uff1b\u6700\u5c0f\u9650\u306e\u69cb\u6587\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3067\u5b66\u3073\u3084\u3059\u3044<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30cd\u30a4\u30c6\u30a3\u30d6\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0<\/strong><\/td>\n<td>\u30ed\u30fc\u30ab\u30eb\u30b3\u30f3\u30d1\u30a4\u30eb\u306b\u306fJava\/Graphviz\u304c\u5fc5\u8981<\/td>\n<td>JavaScript\u5bfe\u5fdc\u74b0\u5883\u3067\u30cd\u30a4\u30c6\u30a3\u30d6\u306b\u5b9f\u884c\u53ef\u80fd<\/td>\n<\/tr>\n<tr>\n<td><strong>VPasCode \u30b5\u30dd\u30fc\u30c8<\/strong><\/td>\n<td>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30d6\u30e9\u30a6\u30b6\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306b\u3088\u308b\u5b8c\u5168\u30b5\u30dd\u30fc\u30c8<\/td>\n<td>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30d6\u30e9\u30a6\u30b6\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306b\u3088\u308b\u5b8c\u5168\u30b5\u30dd\u30fc\u30c8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr\/>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f\uff08FAQ\uff09<\/h2>\n<h3>Java \u3084 Graphviz \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u305b\u305a\u306b PlantUML \u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u30a6\u30a7\u30d6\u30d9\u30fc\u30b9\u306e<strong>PlantUML \u30a8\u30c7\u30a3\u30bf<\/strong>\u306e\u3088\u3046\u306a<a href=\"https:\/\/vpascode.com\" rel=\"noopener\" target=\"_blank\">VPasCode<\/a>\u3002\u3053\u308c\u306f\u3001\u30e9\u30a4\u30d6\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u4f34\u3063\u3066\u30d6\u30e9\u30a6\u30b6\u5185\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u89e3\u6790\u3092\u76f4\u63a5\u51e6\u7406\u3057\u307e\u3059\u2014\u30ed\u30fc\u30ab\u30eb\u8a2d\u5b9a\u3084\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>PlantUML\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u9ad8\u89e3\u50cf\u5ea6\u306eSVG\u307e\u305f\u306fPNG\u753b\u50cf\u306b\u5909\u63db\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u306f\u3044\u3002\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u30a8\u30c7\u30a3\u30bf\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u3068\u3001\u640d\u5931\u306e\u306a\u3044\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u304c\u53ef\u80fd\u306a\u30d9\u30af\u30bf\u5f62\u5f0f\u306eSVG\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u3001\u307e\u305f\u306f\u30d7\u30ec\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3084\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u7528\u306e\u660e\u78ba\u306aPNG\u753b\u50cf\u3068\u3057\u3066\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u30c1\u30fc\u30e0\u3068\u30e9\u30a4\u30d6\u7de8\u96c6\u53ef\u80fd\u306a PlantUML \u56f3\u3092\u5171\u6709\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n<p>VPasCode \u306f\u76f4\u63a5\u5171\u6709\u30c4\u30fc\u30eb\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u5171\u6709\u53ef\u80fd\u306a\u30a6\u30a7\u30d6\u30ea\u30f3\u30af\u3084QR\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3057\u305f\u308a\u3001Visual Paradigm OpenDocs \u306e\u3088\u3046\u306a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30cf\u30d6\u306b\u56f3\u3092\u76f4\u63a5\u516c\u958b\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A PlantUML\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3084\u30d7\u30ed\u30bb&#8230;<\/p>\n","protected":false},"author":4,"featured_media":1905,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[22],"tags":[],"class_list":["post-1904","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-insights"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PlantUML Sequence Diagrams: Complete Guide &amp; Editor<\/title>\n<meta name=\"description\" content=\"Learn PlantUML sequence diagram syntax, real-world examples, and best practices. 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