{"id":371,"date":"2026-02-16T06:59:35","date_gmt":"2026-02-16T06:59:35","guid":{"rendered":"https:\/\/www.visualize-ai.com\/ja\/case-study-online-library-management-system-new-user-registration-book-reservation\/"},"modified":"2026-02-16T06:59:35","modified_gmt":"2026-02-16T06:59:35","slug":"case-study-online-library-management-system-new-user-registration-book-reservation","status":"publish","type":"post","link":"https:\/\/www.visualize-ai.com\/ja\/case-study-online-library-management-system-new-user-registration-book-reservation\/","title":{"rendered":"\u4e8b\u4f8b\uff1a\u30aa\u30f3\u30e9\u30a4\u30f3\u56f3\u66f8\u9928\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0 \u2013 \u65b0\u898f\u30e6\u30fc\u30b6\u30fc\u767b\u9332\u304a\u3088\u3073\u66f8\u7c4d\u4e88\u7d04"},"content":{"rendered":"<p><iframe allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen=\"\" frameborder=\"0\" height=\"281\" referrerpolicy=\"strict-origin-when-cross-origin\" src=\"https:\/\/www.youtube.com\/embed\/IO7atI4ghss?feature=oembed\" title=\"Generate UML Sequence Diagrams Instantly with AI\" width=\"500\"><\/iframe><\/p>\n<p data-nodeid=\"217\"><strong data-nodeid=\"340\">\u30b7\u30ca\u30ea\u30aa\u306e\u8aac\u660e<\/strong><br \/>\n\u65b0\u3057\u3044\u5229\u7528\u8005\uff08\u5b66\u751f\u307e\u305f\u306f\u4f1a\u54e1\uff09\u304c\u30aa\u30f3\u30e9\u30a4\u30f3\u56f3\u66f8\u9928\u30dd\u30fc\u30bf\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u6c0f\u540d\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u306a\u3069\u306e\u500b\u4eba\u60c5\u5831\u3092\u5165\u529b\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u4e00\u610f\u6027\u3092\u691c\u8a3c\uff08\u4f8b\uff1a\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u3059\u3067\u306b\u767b\u9332\u6e08\u307f\u3067\u306a\u3044\u304b\uff09\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u3066\u3001\u30a6\u30a7\u30eb\u30ab\u30e0\uff0f\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u6b63\u5e38\u306b\u767b\u9332\u5f8c\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30bf\u30a4\u30c8\u30eb\u307e\u305f\u306f\u8457\u8005\u3067\u66f8\u7c4d\u3092\u691c\u7d22\u3057\u3001\u5728\u5eab\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3001\u5229\u7528\u53ef\u80fd\u3067\u3042\u308c\u3070\u4e88\u7d04\uff08\u4fdd\u7559\uff09\u3057\u307e\u3059\u3002\u66f8\u7c4d\u304c\u5229\u7528\u4e0d\u53ef\u306e\u5834\u5408\u3001\u305d\u306e\u66f8\u7c4d\u304c\u5229\u7528\u53ef\u80fd\u306b\u306a\u3063\u305f\u3068\u304d\u306b\u901a\u77e5\u3059\u308b\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u51e6\u7406\u306fUI\u4e0a\u306b\u78ba\u8a8d\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u3067\u7d42\u4e86\u3057\u307e\u3059\u3002<\/p>\n<p data-nodeid=\"218\">\u3053\u306e\u30d5\u30ed\u30fc\u306f\u5927\u5b66\u30fb\u516c\u5171\u56f3\u66f8\u9928\u30b7\u30b9\u30c6\u30e0\u3067\u4e00\u822c\u7684\u3067\u3042\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30aa\u30f3\u30dc\u30fc\u30c7\u30a3\u30f3\u30b0\u3068\u4e3b\u8981\u30ea\u30bd\u30fc\u30b9\u3068\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p data-nodeid=\"219\"><strong data-nodeid=\"346\">UML\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u4e3b\u8981\u306a\u6982\u5ff5<\/strong>\uff08\u672c\u4f8b\u306b\u95a2\u9023\uff09<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/uml.planttext.com\/plantuml\/png\/TLPBajis4Dtp51qj74r5CvErAdQi-QIYgibOPNdYHIeB26YAA9400u13wm8vG8wOaxZneKXgA2qa2cXqltwlky6FrZ7ZcghCd7GbmYTLIeNm97U6cIDSmpEsy6BHm6VSI-iCSr8hU0TtMXzeZNPUuz8M_sbGSOG7oVQ6LPazI5KpUe9AAyqBeoi4PneSxDY22TrAjOUSbNQqazpzWTQoFQvAkLV0KJaq6MkSLasr8rIpNtOV_lhvxnba6UDE6zWmPxJAo8cJNDPCEPZT6TqIq1am2o_hyLxAT5NNOPj-n_i-zuUxU3Gydhac6kwPOwNU1vlqF3Pwh9WijyIKv1YimaAMHQnm_O5GBM75EUKAPiXpJQdxn2IHZ1xxozgR4yebs6PNIJUKPQvOXGj0xtr1PwrjjH5NlGEVNKPV8MJ8PWcyG7u8W1w_aISx3yS7XrBQyGUkk_0OhE5zL0vkexG2pyzbh7GnOLYL1fauGWoK0GGeANs3hZ7gqHXjvf4nOCa-Ke86nGriIcGKZZYM2aZlXlu8cUUqIrG7x3UpA_BjcIBNaUCbLQMjItO4z06WYbL5PZzI4LVw5SKI11AH-XXGmV___WTAEr280WNy19nHA46i6jyDqje6WI3uxAY252yoz3oCskHFLahHvJcWdD9owF-HvhfHRYnSmMo1OdEI3-2SKu1pDGYRMOi5MGQ7zo623pqXo0bFO9aA2PNuYYMd_WmhyyvPmfCSK49FKXr6U68XGzAthurOyCgD0QIodz9zsuJgdyyI8uaZyGFS-_gC7Y4dwNeqDxD5odj2xssXMsgHs5FlA8gG1ha3fsFjt0fYUQUP4LceWessxdhOUykt8oulTKl6kdPn9DP6SoeFwvsQO8V0O4V7o0fWtDvRP8ONOHVcSTZwR1fNQ7CLx8Uz7Omz03kdEMYEqMBSo7ubAPd6pXA2yULptNZoY-cvLwsat3_buJ3CM-aAOA_4Ejl9KhhaQQ1cvoj6e3Q89tyZ-KHO0s9QryHWxg-Kc1B8FBLKCXaNWuXTIgGt9OqYJvPz8bXN9-ifcGEd7lt9wfpwqaiVp7mf43FM9SM2iYFlYOqag4yguF0DqLUR_r3RPDaWXu4COQYk1kmb5ztHDzmdfgaeteT1UXllmsJksLrr5cFY1a69EOw_wrASuLqCKtqWwNes9mjZ4c11VZS-mDZTkjVnKcbSqFXUgroQAbvSuHxjAAUctqX-Q6fe2rGzDN6kNow3hjlxuHvKybFvMLyaCA7I_WeXCvbBFiJKg3u-XFrZX1Mkfby7aCOrbzBpTyZ9vLIPqIrkkP4x7CMUBhYtaZCXlkYlZAO9LV_5Ks_4RDE9bRZKY3p2dy-6iAY7NIy2fZPF14-q_uJgpxhhRV8Cf3vrYhs1B_IksT_Y1ppwcyzsiRf8Wmhp0p1kX2uStdBhBFj8Y_HE-nq0\"\/><\/p>\n<ul data-nodeid=\"220\">\n<li data-nodeid=\"221\">\n<p data-nodeid=\"222\"><strong data-nodeid=\"351\">\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3<\/strong>\u3000\u2014 \u53c2\u52a0\u8005\uff08\u4f8b\uff1a:User\u3001:Browser\u3001:LibraryApp\uff09\u306e\u305f\u3081\u306e\u5782\u76f4\u306e\u7834\u7dda\u3002<\/p>\n<\/li>\n<li data-nodeid=\"223\">\n<p data-nodeid=\"224\"><strong data-nodeid=\"358\">\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>\u3000\u2014 \u547c\u3073\u51fa\u3057\u306e\u305f\u3081\u306e\u77e2\u5370\uff1a\u540c\u671f\uff08\u5b9f\u7dda\u3067\u77e2\u982d\u304c\u5857\u308a\u3064\u3076\u3057 \u2192\uff09\u3001\u8fd4\u4fe1\uff08\u7834\u7dda &lt;\u2013\uff09\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u4f5c\u6210\uff08\u65b0\u3057\u3044\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u3078\u306e\u7834\u7dda\u77e2\u5370\u3067\u300ccreate\u300d\u3092\u793a\u3059\uff09\u3002<\/p>\n<\/li>\n<li data-nodeid=\"225\">\n<p data-nodeid=\"226\"><strong data-nodeid=\"363\">\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\u30d0\u30fc<\/strong>\u3000\u2014 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u51e6\u7406\u4e2d\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059\uff08\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30c8\uff0f\u30c7\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30c8\uff09\u3002<\/p>\n<\/li>\n<li data-nodeid=\"227\">\n<p data-nodeid=\"228\"><strong data-nodeid=\"376\">Alt\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8<\/strong>\u3000\u2014 \u6761\u4ef6\u4ed8\u304d\u8ad6\u7406\uff08\u4f8b\uff1a[\u767b\u9332\u6210\u529f] \u3068 [\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306f\u3059\u3067\u306b\u5b58\u5728] \u306e\u6bd4\u8f03\uff09\u3002<\/p>\n<\/li>\n<li data-nodeid=\"229\">\n<p data-nodeid=\"230\"><strong data-nodeid=\"385\">Opt\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8<\/strong>\u3000\u2014 \u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u52d5\u4f5c\uff08\u4f8b\uff1a[\u30e6\u30fc\u30b6\u30fc\u304c\u5373\u5ea7\u306b\u4e88\u7d04\u3092\u9078\u629e\u3059\u308b]\uff09\u3002<\/p>\n<\/li>\n<li data-nodeid=\"231\">\n<p data-nodeid=\"232\"><strong data-nodeid=\"390\">\u30eb\u30fc\u30d7<\/strong>\u3000\u2014 \u53cd\u5fa9\u7684\u306a\u51e6\u7406\u306e\u305f\u3081\uff08\u4f8b\uff1a\u691c\u7d22\u7d50\u679c\u304c\u306a\u3051\u308c\u3070\u7d5e\u308a\u8fbc\u307f\u3092\u7e70\u308a\u8fd4\u3059\uff09\u3002<\/p>\n<\/li>\n<li data-nodeid=\"233\">\n<p data-nodeid=\"234\"><strong data-nodeid=\"395\">\u30a2\u30af\u30bf\u30fc<\/strong>\u3000\u2014 \u4eba\u9593\u306e\u30e6\u30fc\u30b6\u30fc\uff08\u68d2\u4eba\u9593\uff09\u3002<\/p>\n<\/li>\n<li data-nodeid=\"235\">\n<p data-nodeid=\"236\"><strong data-nodeid=\"400\">\u8fd4\u4fe1\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>\u3000\u2014 \u7d50\u679c\u3092\u623b\u3059\u305f\u3081\u306e\u7834\u7dda\u77e2\u5370\u3002<\/p>\n<\/li>\n<li data-nodeid=\"237\">\n<p data-nodeid=\"238\">\u6642\u9593\u306e\u6d41\u308c<strong data-nodeid=\"406\">\u4e0a\u304b\u3089\u4e0b\u3078<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<p data-nodeid=\"239\">\u53c2\u52a0\u8005\uff08\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\uff09\uff1a<\/p>\n<ul data-nodeid=\"240\">\n<li data-nodeid=\"241\">\n<p data-nodeid=\"242\">\u5229\u7528\u8005\uff08\u30a2\u30af\u30bf\u30fc\uff09<\/p>\n<\/li>\n<li data-nodeid=\"243\">\n<p data-nodeid=\"244\">\u30d6\u30e9\u30a6\u30b6\uff08\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\uff0fUI\uff09<\/p>\n<\/li>\n<li data-nodeid=\"245\">\n<p data-nodeid=\"246\">LibraryApp\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff0f\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u5c64\uff09<\/p>\n<\/li>\n<li data-nodeid=\"247\">\n<p data-nodeid=\"248\">UserDB\uff08\u30a2\u30ab\u30a6\u30f3\u30c8\u7528\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\uff09<\/p>\n<\/li>\n<li data-nodeid=\"249\">\n<p data-nodeid=\"250\">BookCatalog\uff08\u672c\u3068\u4e88\u7d04\u306e\u305f\u3081\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\uff0f\u30b5\u30fc\u30d3\u30b9\uff09<\/p>\n<\/li>\n<li data-nodeid=\"251\">\n<p data-nodeid=\"252\">EmailService\uff08\u5916\u90e8\u901a\u77e5\u30b5\u30fc\u30d3\u30b9\uff09<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-nodeid=\"253\">\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u7528\u306ePlantUML\u30b3\u30fc\u30c9\u4f8b<\/h3>\n<p class=\"\" data-nodeid=\"537\">\u3053\u306ePlantUML\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u30b1\u30fc\u30b9\u30b9\u30bf\u30c7\u30a3\u3092\u5b8c\u5168\u306b\u8868\u73fe\u3057\u3066\u3044\u307e\u3059\u3002\u30a2\u30ab\u30a6\u30f3\u30c8\u4f5c\u6210\u3001\u691c\u8a3c\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u3001\u767b\u9332\u5f8c\u306e\u672c\u691c\u7d22\uff0f\u4e88\u7d04\uff08\u5728\u5eab\u72b6\u6cc1\u306ealt\uff09\u3001\u901a\u77e5\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u542b\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n<p class=\"\" data-nodeid=\"538\">@startuml<br \/>\n\u30bf\u30a4\u30c8\u30eb \u30aa\u30f3\u30e9\u30a4\u30f3\u56f3\u66f8\u9928 \u2013 \u65b0\u898f\u30e6\u30fc\u30b6\u30fc\u767b\u9332\u304a\u3088\u3073\u672c\u4e88\u7d04\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3<br \/>\nskinparam monochrome true<br \/>\nskinparam shadowing false<br \/>\nskinparam sequenceMessageAlign center<br \/>\nautonumber \u201c<b>[0]\u201d<\/b><\/p>\n<p class=\"\" data-nodeid=\"539\">actor \u30d1\u30c8\u30ed\u30f3<br \/>\nparticipant \u201c\u30d6\u30e9\u30a6\u30b6\u201d as UI<br \/>\nparticipant \u201c\u56f3\u66f8\u9928\u30a2\u30d7\u30ea\u201d as App<br \/>\nparticipant \u201c\u30e6\u30fc\u30b6\u30fcDB\u201d as UserDB<br \/>\nparticipant \u201c\u672c\u30ab\u30bf\u30ed\u30b0\u201d as Catalog<br \/>\nparticipant \u201cEmailService\u201d as Email<\/p>\n<p class=\"\" data-nodeid=\"540\">\u30d1\u30c8\u30ed\u30f3 -&gt; UI: \u767b\u9332\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9<br \/>\nactivate UI<br \/>\nUI -&gt; App: submitRegistration(\u540d\u524d, \u30e1\u30fc\u30eb, \u30d1\u30b9\u30ef\u30fc\u30c9)<br \/>\nactivate App<\/p>\n<p class=\"\" data-nodeid=\"541\">App -&gt; UserDB: checkEmailExists(\u30e1\u30fc\u30eb)<br \/>\nactivate UserDB<br \/>\nUserDB \u2013&gt; App: \u65e2\u5b58 = false \/ true<br \/>\ndeactivate UserDB<\/p>\n<p class=\"\" data-nodeid=\"542\">alt \u30e1\u30fc\u30eb\u306f\u3059\u3067\u306b\u5b58\u5728<br \/>\nApp \u2013&gt; UI: returnError(\u201c\u30e1\u30fc\u30eb\u306f\u3059\u3067\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u304b\u3001\u5225\u306e\u30e1\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u201d)<br \/>\nUI \u2013&gt; \u30d1\u30c8\u30ed\u30f3: \u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a<br \/>\n\u2018 \u524a\u9664: destroy App \u2192 \u5fc5\u8981\u306a\u3044\u4e0a\u3001alt\u30d6\u30e9\u30f3\u30c1\u3067\u30d1\u30fc\u30b5\u30fc\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3057\u3066\u3044\u305f<br \/>\nelse \u767b\u9332\u304c\u6709\u52b9<br \/>\nApp \u2192 UserDB: createUserAccount(\u540d\u524d, \u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9, \u30cf\u30c3\u30b7\u30e5\u5316\u3055\u308c\u305f\u30d1\u30b9\u30ef\u30fc\u30c9)<br \/>\nUserDB\u3092\u30a2\u30af\u30c6\u30a3\u30d6\u5316<br \/>\nUserDB \u2192 App: userId, \u30a2\u30ab\u30a6\u30f3\u30c8\u4f5c\u6210\u5b8c\u4e86<br \/>\nUserDB\u3092\u975e\u30a2\u30af\u30c6\u30a3\u30d6\u5316<\/p>\n<p class=\"\" data-nodeid=\"543\">App \u2192 Email: sendWelcomeEmail(userId, \u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9, \u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\u30ea\u30f3\u30af)<br \/>\nEmail\u3092\u30a2\u30af\u30c6\u30a3\u30d6\u5316<br \/>\nEmail \u2192 App: \u30e1\u30fc\u30eb\u9001\u4fe1\u5b8c\u4e86<br \/>\nEmail\u3092\u975e\u30a2\u30af\u30c6\u30a3\u30d6\u5316<\/p>\n<p class=\"\" data-nodeid=\"544\">App \u2192 UI: returnSuccess(&#8220;\u30a2\u30ab\u30a6\u30f3\u30c8\u4f5c\u6210\u5b8c\u4e86\uff01\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\u7528\u30e1\u30fc\u30eb\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002&#8221;, userId)<br \/>\nUI \u2192 \u30d1\u30c8\u30ed\u30f3: \u6210\u529f\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3057\u3001\u30ed\u30b0\u30a4\u30f3\/\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/p>\n<p class=\"\" data-nodeid=\"545\">\u2018 \u767b\u9332\u5f8c\uff1a\u66f8\u7c4d\u4e88\u7d04\u30d5\u30ed\u30fc<br \/>\n\u30e6\u30fc\u30b6\u30fc\u304c\u66f8\u7c4d\u306e\u4e88\u7d04\u3092\u9032\u3081\u308b<br \/>\n\u30d1\u30c8\u30ed\u30f3 \u2192 UI: \u66f8\u7c4d\u3092\u691c\u7d22\uff08\u30bf\u30a4\u30c8\u30eb\u307e\u305f\u306f\u8457\u8005\uff09<br \/>\nUI \u2192 App: searchBooks(\u691c\u7d22\u30ad\u30fc\u30ef\u30fc\u30c9)<br \/>\nApp\u3092\u30a2\u30af\u30c6\u30a3\u30d6\u5316<\/p>\n<pre class=\"\" data-nodeid=\"546\"><code>App \u2192 \u30ab\u30bf\u30ed\u30b0: queryBooks(\u691c\u7d22\u30ad\u30fc\u30ef\u30fc\u30c9)\r\nCatalog\u3092\u30a2\u30af\u30c6\u30a3\u30d6\u5316\r\n\u30ab\u30bf\u30ed\u30b0 \u2192 App: \u66f8\u7c4d\u30ea\u30b9\u30c8\uff08\u5728\u5eab\u72b6\u6cc1\u4ed8\u304d\uff09\r\nCatalog\u3092\u975e\u30a2\u30af\u30c6\u30a3\u30d6\u5316\r\n\r\nalt \u66f8\u7c4d\u304c\u898b\u3064\u304b\u3063\u305f\r\n  \u30eb\u30fc\u30d7 \u5fc5\u8981\u306b\u5fdc\u3058\u3066\u691c\u7d22\u3092\u7d5e\u308a\u8fbc\u3080\r\n    App \u2192 UI: displayResults(\u66f8\u7c4d\u30ea\u30b9\u30c8)\r\n    UI \u2192 \u30d1\u30c8\u30ed\u30f3: \u66f8\u7c4d\u30ea\u30b9\u30c8\u3092\u8868\u793a\r\n    \u30d1\u30c8\u30ed\u30f3 \u2192 UI: \u66f8\u7c4d\u3092\u9078\u629e\u3057\u4e88\u7d04\u3092\u4f9d\u983c\r\n    UI \u2192 App: reserveBook(\u66f8\u7c4dID, \u30e6\u30fc\u30b6\u30fcID)\r\n  \u7d42\u4e86\r\n\r\n  App \u2192 \u30ab\u30bf\u30ed\u30b0: checkAvailability(\u66f8\u7c4dID)\r\n  \u30ab\u30bf\u30ed\u30b0 \u2192 App: \u5229\u7528\u53ef\u80fd = true\/false\r\n\r\n  alt \u5229\u7528\u53ef\u80fd\r\n    App \u2192 \u30ab\u30bf\u30ed\u30b0: placeHold(\u66f8\u7c4dID, \u30e6\u30fc\u30b6\u30fcID, \u4e88\u7d04\u65e5)\r\n    Catalog\u3092\u30a2\u30af\u30c6\u30a3\u30d6\u5316\r\n    \u30ab\u30bf\u30ed\u30b0 \u2192 App: \u4e88\u7d04\u4fdd\u7559\u5b8c\u4e86, \u4e88\u7d04ID\r\n    Catalog\u3092\u975e\u30a2\u30af\u30c6\u30a3\u30d6\u5316\r\n\r\n    App \u2192 UI: displayConfirmation(\"\u66f8\u7c4d\u306e\u4e88\u7d04\u5b8c\u4e86\uff01\u5728\u5eab\u304c\u7a7a\u304f\u307e\u3067\u304a\u5f85\u3061\u304f\u3060\u3055\u3044\u3002\")\r\n    UI \u2192 \u30d1\u30c8\u30ed\u30f3: \u6210\u529f\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\r\n  \u305d\u308c\u4ee5\u5916 \u5229\u7528\u4e0d\u53ef\r\n    App \u2192 UI: offerNotification(\"\u66f8\u7c4d\u306f\u73fe\u5728\u5229\u7528\u3067\u304d\u307e\u305b\u3093\u3002\u6e96\u5099\u5b8c\u4e86\u6642\u306b\u901a\u77e5\u3057\u307e\u3059\u304b\uff1f\")\r\n    \u30d1\u30c8\u30ed\u30f3 \u2192 UI: \u901a\u77e5\u3092\u78ba\u8a8d\r\n    UI \u2192 App: subscribeNotification(\u66f8\u7c4dID, \u30e6\u30fc\u30b6\u30fcID)\r\n    App \u2192 \u30ab\u30bf\u30ed\u30b0: addToWaitlist(\u66f8\u7c4dID, \u30e6\u30fc\u30b6\u30fcID)\r\n    \u30ab\u30bf\u30ed\u30b0 \u2192 App: \u5f85\u6a5f\u30ea\u30b9\u30c8\u306b\u8ffd\u52a0\u5b8c\u4e86\r\n    App \u2192 UI: confirm(\"\u901a\u77e5\u3092\u8a2d\u5b9a\u3057\u307e\u3057\u305f\u3002\")\r\n  \u7d42\u4e86\r\nelse \u66f8\u7c4d\u304c\u898b\u3064\u304b\u3089\u306a\u304b\u3063\u305f\r\n  App \u2192 UI: displayNoResults(\"\u4e00\u81f4\u3059\u308b\u66f8\u7c4d\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u5225\u306e\u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u8a66\u3057\u3066\u304f\u3060\u3055\u3044\u3002\")\r\n\u7d42\u4e86\r\n\r\nApp\u3092\u975e\u30a2\u30af\u30c6\u30a3\u30d6\u5316\r\n<\/code><\/pre>\n<p class=\"\" data-nodeid=\"547\">\u7d42\u4e86<br \/>\n\u7d42\u4e86<\/p>\n<p class=\"\" data-nodeid=\"548\">UI\u3092\u975e\u30a2\u30af\u30c6\u30a3\u30d6\u5316<\/p>\n<p class=\"\" data-nodeid=\"549\">@enduml<\/p>\n<p data-nodeid=\"256\"><strong data-nodeid=\"419\">\u3053\u306ePlantUML\u30b3\u30fc\u30c9\u306e\u4f7f\u3044\u65b9<\/strong><\/p>\n<ul data-nodeid=\"257\">\n<li data-nodeid=\"258\">\n<p data-nodeid=\"259\">https:\/\/www.plantuml.com\/plantuml\/uml\/ \u306b\u8cbc\u308a\u4ed8\u3051\u3066\u3001\u5373\u5ea7\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/li>\n<li data-nodeid=\"260\">\n<p data-nodeid=\"261\">\u4ee5\u4e0b\u306e\u74b0\u5883\u3067<a href=\"http:\/\/visual-paradigm.com\"><strong data-nodeid=\"428\">Visual Paradigm Desktop<\/strong><\/a>: \u65b0\u3057\u3044\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3 \u2192 \u30c4\u30fc\u30eb \u2192 \u30a4\u30f3\u30dd\u30fc\u30c8 \u2192 PlantUML \u2192 \u8cbc\u308a\u4ed8\u3051 \u2192 \u30d3\u30b8\u30e5\u30a2\u30eb\u306b\u751f\u6210\u30fb\u7de8\u96c6<\/p>\n<\/li>\n<li data-nodeid=\"262\">\n<p data-nodeid=\"263\">\u4ee5\u4e0b\u306e\u74b0\u5883\u3067<a href=\"http:\/\/online.visual-paradigm.com\"><strong data-nodeid=\"438\">VP Online<\/strong>\u00a0<\/a>\u307e\u305f\u306f<a href=\"http:\/\/chat.visual-paradigm.com\"><strong data-nodeid=\"439\">AI\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8<\/strong><\/a>: \u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u30d9\u30fc\u30b9\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u304b\u3001AI\u306b\u3088\u308b\u6700\u9069\u5316\u306e\u305f\u3081\u306b\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u3002<\/p>\n<\/li>\n<li data-nodeid=\"264\">\n<p data-nodeid=\"265\">\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\uff1a\u8272\u3092\u8ffd\u52a0\uff08<code data-backticks=\"1\" data-nodeid=\"441\">skinparam sequenceArrowThickness 2<\/code>\uff09\u3001\u53c2\u52a0\u8005\u306e\u30b9\u30bfereotype\uff08<code data-backticks=\"1\" data-nodeid=\"443\">&lt;&lt;database&gt;&gt;<\/code>\uff09\u3001\u307e\u305f\u306f\u524a\u9664<code data-backticks=\"1\" data-nodeid=\"445\">\u30e2\u30ce\u30af\u30ed<\/code>\u30b9\u30bf\u30a4\u30eb\u4ed8\u304d\u51fa\u529b\u7528\u3002<\/p>\n<\/li>\n<\/ul>\n<h3 data-nodeid=\"266\">Visual Paradigm\u306eAI\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u30b5\u30dd\u30fc\u30c8\u3092\u6d3b\u7528\u3057\u305f\u958b\u767a\u30d7\u30ed\u30bb\u30b9\u5168\u4f53<\/h3>\n<h4 data-nodeid=\"267\">\u30b9\u30c6\u30c3\u30d71\uff1a\u30a2\u30a4\u30c7\u30fc\u30b7\u30e7\u30f3\u3068\u521d\u671f\u751f\u6210\uff08\u6700\u901f\uff1aAI\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8 \u2013 \u30b3\u30f3\u30d0\u30fc\u30b7\u30e7\u30ca\u30eb\uff09<\/h4>\n<p><img alt=\"AI Diagram Generation Guide: Instantly Create System Models with Visual Paradigm's AI - Visual Paradigm Guides\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2025\/11\/img_6916c2e674159.png\"\/><\/p>\n<ol data-nodeid=\"268\">\n<li data-nodeid=\"269\">\n<p data-nodeid=\"270\">\u6b21\u3078\u79fb\u52d5\uff1a<strong data-nodeid=\"456\">chat.visual-paradigm.com<\/strong>.<\/p>\n<\/li>\n<li data-nodeid=\"271\">\n<p data-nodeid=\"272\">\u8a73\u7d30\u306a\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u4f7f\u7528\u3059\u308b\uff08\u307e\u305f\u306f\u4e0a\u8a18\u306ePlantUML\u3092\u30b9\u30bf\u30fc\u30c8\u5730\u70b9\u3068\u3057\u3066\u8cbc\u308a\u4ed8\u3051\u308b\uff09\uff1a<\/p>\n<blockquote data-nodeid=\"273\">\n<p data-nodeid=\"274\">\u30aa\u30f3\u30e9\u30a4\u30f3\u56f3\u66f8\u9928\u7528\u306eUML\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u751f\u6210\uff1a\u65b0\u898f\u30e6\u30fc\u30b6\u30fc\u304c\u540d\u524d\/\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\/\u30d1\u30b9\u30ef\u30fc\u30c9\u3067\u767b\u9332\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u30e1\u30fc\u30eb\u306e\u91cd\u8907\u3092\u78ba\u8a8d\u3057\u3001DB\u306b\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u3001\u30a6\u30a7\u30eb\u30ab\u30e0\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3002\u305d\u306e\u5f8c\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u672c\u3092\u691c\u7d22\u30fb\u4e88\u7d04\u3059\u308b\u3002\u5229\u7528\u53ef\u80fd\u3067\u3042\u308c\u3070\u4e88\u7d04\u3092\u78ba\u5b9a\u3057\u3001\u305d\u3046\u3067\u306a\u3051\u308c\u3070\u5f85\u6a5f\u30ea\u30b9\u30c8\u901a\u77e5\u3092\u63d0\u793a\u3059\u308b\u3002\u91cd\u8907\u30e1\u30fc\u30eb\u7528\u306ealt\u3001\u767b\u9332\u5f8c\u306e\u4e88\u7d04\u30aa\u30d7\u30b7\u30e7\u30f3\u3001\u691c\u7d22\u306e\u7d5e\u308a\u8fbc\u307f\u7528\u306e\u30eb\u30fc\u30d7\u3092\u542b\u3080\u3002<\/p>\n<\/blockquote>\n<\/li>\n<li data-nodeid=\"275\">\n<p data-nodeid=\"276\">AI\u306f\u8996\u899a\u7684\u56f3 + PlantUML\u30b3\u30fc\u30c9\u3092\u51fa\u529b\u3002\u7e70\u308a\u8fd4\u3057\u51e6\u7406\uff1a<\/p>\n<ul data-nodeid=\"277\">\n<li data-nodeid=\"278\">\n<p data-nodeid=\"279\">\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\u306b\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\u30d0\u30fc\u3068\u30ce\u30fc\u30c8\u3092\u8ffd\u52a0\u3002\u300d<\/p>\n<\/li>\n<li data-nodeid=\"280\">\n<p data-nodeid=\"281\">\u300cBookCatalog\u3092\u30b9\u30bfereotype\u4ed8\u304d\u306e\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u306b\u3059\u308b\u3002\u300d<\/p>\n<\/li>\n<li data-nodeid=\"282\">\n<p data-nodeid=\"283\">\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u7528\u306bPlantUML\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h4 data-nodeid=\"284\">\u30b9\u30c6\u30c3\u30d72\uff1a\u30ec\u30a4\u30e4\u30fc\u30c9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3078\u306e\u7cbe\u7dfb\u5316\uff08AI\u7cbe\u7dfb\u5316\u30c4\u30fc\u30eb \u2013 \u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u7248\uff09<\/h4>\n<ol data-nodeid=\"285\">\n<li data-nodeid=\"286\">\n<p data-nodeid=\"287\">\u8d77\u52d5\uff1a<strong data-nodeid=\"473\">Visual Paradigm Desktop<\/strong>.<\/p>\n<\/li>\n<li data-nodeid=\"288\">\n<p data-nodeid=\"289\">\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u4f5c\u6210\uff0f\u30a4\u30f3\u30dd\u30fc\u30c8\uff08PlantUML\u3092\u8cbc\u308a\u4ed8\u3051 \u2192 \u751f\u6210\uff09\u3002<\/p>\n<\/li>\n<li data-nodeid=\"290\">\n<p data-nodeid=\"291\">\u30c4\u30fc\u30eb &gt; \u30a2\u30d7\u30ea &gt; <strong data-nodeid=\"480\">\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u7cbe\u7dfb\u5316\u30c4\u30fc\u30eb<\/strong>.<\/p>\n<\/li>\n<li data-nodeid=\"292\">\n<p data-nodeid=\"293\">\u30d7\u30ed\u30f3\u30d7\u30c8\uff0f\u7cbe\u7dfb\u5316\uff1a\u300c\u3053\u306e\u56f3\u66f8\u9928\u767b\u9332\uff0f\u4e88\u7d04\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u30ec\u30a4\u30e4\u30fc\u30c9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u7cbe\u7dfb\u5316\u3059\u308b\uff1aUI\/View\u3001Controller\u3001Service\uff08\u4f8b\uff1aUserService\u3001ReservationService\uff09\u3001Repository\/DB\u30ec\u30a4\u30e4\u30fc\u3092\u5206\u96e2\u3059\u308b\u3002\u300d<\/p>\n<\/li>\n<li data-nodeid=\"294\">\n<p data-nodeid=\"295\">AI\u304c\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u3092\u62e1\u5f35\uff08\u4f8b\uff1aLibraryApp \u2192 RegistrationController \u2192 UserService \u2192 UserRepository\uff1bhashPassword()\u3001validateInput()\u306a\u3069\u306e\u8a73\u7d30\u306a\u547c\u3073\u51fa\u3057\u3092\u8ffd\u52a0\uff09\u3002<\/p>\n<\/li>\n<li data-nodeid=\"296\">\n<p 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data-nodeid=\"315\">\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\uff1a\u4ed5\u69d8\u66f8\u7528\u306bPNG\/PDF\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u7528\u306b.vpp\u30d7\u30ed\u30b8\u30a7\u30af\u30c8<\/p>\n<\/li>\n<\/ol>\n<p data-nodeid=\"316\">\u3053\u306e\u65b0\u3057\u3044\u4e8b\u4f8b\u7814\u7a76\u306f\u3001\u6559\u80b2\u3092\u91cd\u8996\u3057\u305f\u65b0\u9bae\u306a\u4f8b\u3092\u63d0\u4f9b\u3059\u308b\u3068\u3068\u3082\u306b\u3001Visual 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data-nodeid=\"715\">\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3068\u306f\u4f55\u304b\uff1f \u2013 UML\u30ac\u30a4\u30c9<\/strong><\/a>\uff1a\u521d\u5fc3\u8005\u5411\u3051\u306e\u5165\u9580\u30ac\u30a4\u30c9\u3067\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u304c\u6642\u9593\u7d4c\u904e\u306b\u308f\u305f\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u53ef\u8996\u5316\u3059\u308b\u5f79\u5272\u3092\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><a data-nodeid=\"721\" href=\"https:\/\/www.visual-paradigm.com\/tutorials\/sequence-diagram-animation.jsp\"><strong data-nodeid=\"722\">Visual Paradigm\u306b\u304a\u3051\u308b\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u5316 \u2013 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AI\u642d\u8f09\u306eUML\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3<\/strong><\/a>\uff1a\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306eAI\u30a8\u30f3\u30b8\u30f3\u304c\u3001\u30e2\u30c7\u30ea\u30f3\u30b0\u30b9\u30a4\u30fc\u30c8\u5185\u3067\u30e6\u30fc\u30b6\u30fc\u304c\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306aUML\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u5373\u5ea7\u306b\u751f\u6210\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u4ed5\u7d44\u307f\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><a data-nodeid=\"737\" href=\"https:\/\/www.cybermedian.com\/refining-sequence-diagrams-from-use-case-descriptions-using-visual-paradigms-ai-sequence-diagram-refinement-tool\/\"><strong data-nodeid=\"738\">Visual 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