{"id":2130,"date":"2026-05-26T06:54:30","date_gmt":"2026-05-26T06:54:30","guid":{"rendered":"https:\/\/www.vpascode.com\/ja\/docs\/uncategorized\/plantuml-use-case-diagram-syntax-guide\/"},"modified":"2026-05-26T06:54:30","modified_gmt":"2026-05-26T06:54:30","slug":"plantuml-use-case-diagram-syntax-guide","status":"publish","type":"ld_docs","link":"https:\/\/www.vpascode.com\/ja\/docs\/vpascode-docs\/plantuml-use-case-diagram-syntax-guide\/","title":{"rendered":"PlantUML \u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u56f3\u306e\u69cb\u6587\u30ac\u30a4\u30c9"},"content":{"rendered":"

\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n

A \u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u56f3<\/strong>\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30e6\u30fc\u30b6\u30fc\uff08\u901a\u79f0\u30a2\u30af\u30bf\u30fc\uff09\u3068\u3001\u305d\u308c\u3089\u304c\u9054\u6210\u3057\u305f\u3044\u7279\u5b9a\u306e\u884c\u52d5\u3084\u76ee\u6a19\uff08\u901a\u79f0\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\uff09\u306e\u95a2\u4fc2\u3092\u53ef\u8996\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u884c\u52d5\u306e\u8a2d\u8a08\u56f3\u3067\u3059\u3002\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u8ad6\u7406\u30eb\u30fc\u30d7\u3092\u793a\u3059\u306e\u3067\u306f\u306a\u304f\u3001\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u56f3\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u6a5f\u80fd\u7684\u7bc4\u56f2\u306e\u9ad8\u30ec\u30d9\u30eb\u306a\u6982\u8981\u3092\u63d0\u4f9b\u3057\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u8981\u4ef6\u3001\u30b7\u30b9\u30c6\u30e0\u5883\u754c\u3001\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u5b9a\u7fa9\u3059\u308b\u306e\u306b\u975e\u5e38\u306b\u512a\u308c\u305f\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n

With VPasCode<\/strong>\u3001\u8996\u899a\u7684\u306a\u30ad\u30e3\u30f3\u30d0\u30b9\u306e\u6574\u5408\u6027\u3092\u6c17\u306b\u305b\u305a\u3001\u3059\u3070\u3084\u304f\u660e\u78ba\u3067\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u56f3\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u306f\u3001\u66d6\u6627\u3067\u53e4\u304f\u304b\u3089\u4f7f\u308f\u308c\u3066\u3044\u308b\u8868\u8a18\u6cd5\u3092\u30b9\u30ad\u30c3\u30d7\u3057\u3001\u65e5\u3005\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u4f5c\u6210\u306b\u5fc5\u8981\u306a\u5b9f\u7528\u7684\u306a\u69cb\u6587\u8981\u7d20\u306b\u306e\u307f\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30b3\u30a2\u69cb\u6587\u30ac\u30a4\u30c9\uff1a\u8981\u7d20\u3068\u69cb\u9020<\/h2>\n

PlantUML\u3067\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u56f3\u3092\u69cb\u7bc9\u3059\u308b\u306b\u306f\u3001\u6a19\u6e96\u306e @startuml<\/code> \u3068 @enduml<\/code> \u30bf\u30b0\u3067\u56f2\u307e\u308c\u305f\u3001\u3044\u304f\u3064\u304b\u306e\u7c21\u5358\u306a\u69cb\u9020\u7684\u8981\u7d20\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n

1. \u30a2\u30af\u30bf\u30fc\u306e\u5ba3\u8a00<\/h3>\n

\u30a2\u30af\u30bf\u30fc\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u3084\u308a\u53d6\u308a\u3059\u308b\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u8868\u3057\u307e\u3059\uff08\u305f\u3068\u3048\u3070\u3001\u4eba\u9593\u306e\u30e6\u30fc\u30b6\u30fc\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30b5\u30fc\u30d3\u30b9\u3001\u307e\u305f\u306f\u5916\u90e8\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2API\u306a\u3069\uff09\u3002\u30a2\u30af\u30bf\u30fc\u3092\u5ba3\u8a00\u3059\u308b\u306b\u306f\u3001actor<\/code> \u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u5f8c\u306b\u5185\u90e8\u7684\u306a\u30b7\u30e7\u30fc\u30c8\u30cf\u30f3\u30c9ID\u3092\u8a18\u8ff0\u3057\u307e\u3059\uff1a<\/p>\n

\n
\nPlantuml<\/span>
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067Plantuml\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n
\n
\r\n
\r\n Plantuml<\/span>\r\n \r\n <\/path><\/path><\/svg>\r\n Edit Plantuml in VPasCode<\/span>\r\n <\/a>\r\n <\/div>\r\n
\r\n 
actor customer\r\nactor admin as \"\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u8005\"<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067Plantuml\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
\u30d7\u30ed\u306e\u30d2\u30f3\u30c8\uff1a<\/em> \u306b\u306f as<\/code> \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u8907\u96d1\u306a\u30a2\u30af\u30bf\u30fcID\u306b\u30af\u30ea\u30fc\u30f3\u3067\u4eba\u9593\u304c\u8aad\u307f\u3084\u3059\u3044\u8868\u793a\u6587\u5b57\u5217\u3092\u5272\u308a\u5f53\u3066\u307e\u3059\u3002<\/p>\n
2. \u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306e\u5b9a\u7fa9<\/h3>\n
\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306f\u3001\u6a5f\u80fd\u7684\u306a\u76ee\u6a19\u3084\u30d3\u30b8\u30cd\u30b9\u30d7\u30ed\u30bb\u30b9\u3092\u8868\u3057\u307e\u3059\u3002\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306f2\u3064\u306e\u65b9\u6cd5\u3067\u5b9a\u7fa9\u3067\u304d\u307e\u3059\uff1a\u30c6\u30ad\u30b9\u30c8\u3092\u62ec\u5f27\u5185\u306b\u56f2\u3093\u3067 (\u3042\u306a\u305f\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9)<\/code> \u3068\u3059\u308b\u65b9\u6cd5\u3001\u307e\u305f\u306f\u660e\u793a\u7684\u306b \u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/code>\u8907\u96d1\u306a\u66f8\u5f0f\u8a2d\u5b9a\u306e\u30ad\u30fc\u30ef\u30fc\u30c9\uff1a<\/p>\n
\n
\nPlantuml<\/span>
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067Plantuml\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n
\n            
\r\n                                
\r\n                    Plantuml<\/span>\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                
\r\n                    
(\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308b)\r\n\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9 checkout \u3092 \"\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u6c7a\u6e08\u306e\u51e6\u7406\" \u3068\u3057\u3066\u5b9a\u7fa9<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067Plantuml\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
3. \u57fa\u672c\u7684\u306a\u76f8\u4e92\u4f5c\u7528\u306e\u30de\u30c3\u30d4\u30f3\u30b0<\/h3>\n
\u30a2\u30af\u30bf\u30fc\u3092\u5bfe\u5fdc\u3059\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u306b\u306f\u3001\u57fa\u672c\u7684\u306a\u65b9\u5411\u6027\u306e\u3042\u308b\u307e\u305f\u306f\u65b9\u5411\u6027\u306e\u306a\u3044\u95a2\u4fc2\u7dda\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001\u76f8\u4e92\u4f5c\u7528\u306b\u91cd\u8981\u306a\u6587\u8108\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306b\u3001\u30c6\u30ad\u30b9\u30c8\u30e9\u30d9\u30eb\u3092\u4ed8\u52a0\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\uff1a<\/p>\n
\n
\nPlantuml<\/span>
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067Plantuml\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n
\n            
\r\n                                
\r\n                    Plantuml<\/span>\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                
\r\n                    
customer --> (\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308b)\r\nadmin --> checkout : \"\u8fd4\u91d1\u3092\u627f\u8a8d\"<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067Plantuml\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
4. \u9ad8\u5ea6\u306a\u95a2\u4fc2\uff1a\u5305\u542b\u3068\u62e1\u5f35<\/h3>\n
\u8907\u96d1\u306a\u30b7\u30b9\u30c6\u30e0\u52d5\u4f5c\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u969b\u306b\u306f\u3001\u6a19\u6e96\u7684\u306aUML\u30b9\u30c6\u30ec\u30aa\u30bf\u30a4\u30d7\u3092\u4f7f\u7528\u3057\u3066\u3001\u7570\u306a\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u9593\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u793a\u3059\u3053\u3068\u304c\u983b\u7e41\u306b\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\uff1a<\/p>\n