{"id":2024,"date":"2026-08-06T06:15:46","date_gmt":"2026-08-06T06:15:46","guid":{"rendered":"https:\/\/www.vpascode.com\/ja\/docs\/uncategorized\/d2-syntax-basics\/"},"modified":"2026-08-06T06:15:46","modified_gmt":"2026-08-06T06:15:46","slug":"d2-syntax-basics","status":"publish","type":"ld_docs","link":"https:\/\/www.vpascode.com\/ja\/docs\/vpascode-docs\/d2-playbook\/d2-syntax-basics\/","title":{"rendered":"D2\u69cb\u6587\u306e\u57fa\u790e"},"content":{"rendered":"

D2\u306f\u3001\u660e\u78ba\u3067\u8aad\u307f\u3084\u3059\u3044\u56f3\u3092\u63cf\u304f\u305f\u3081\u306e\u73fe\u4ee3\u7684\u306a\u30c6\u30ad\u30b9\u30c8\u30d9\u30fc\u30b9\u306e\u30c4\u30fc\u30eb\u3067\u3059\u3002\u3053\u308c\u306f\u300c\u5ba3\u8a00\u578b\u56f3\u793a\u300d\u3092\u610f\u5473\u3057\u307e\u3059\u3002VPasCode\u3067\u306f\u3001D2\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u8005\u3084\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30a2\u30fc\u30ad\u30c6\u30af\u30c8\u304c\u3001\u624b\u52d5\u3067\u56f3\u5f62\u3092\u63cf\u304f\u3053\u3068\u306a\u304f\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u30b3\u30fc\u30c9\u30c6\u30ad\u30b9\u30c8\u3092\u304d\u308c\u3044\u306a\u8996\u899a\u7684\u30e2\u30c7\u30eb\u306b\u5909\u63db\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u30d2\u30f3\u30c8\uff1a<\/strong> D2\u69cb\u6587\u306f\u3001\u30b7\u30f3\u30d7\u30eb\u3067\u8aad\u307f\u3084\u3059\u3044\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u56f3\u5f62\u3001\u63a5\u7d9a\u3001\u30e9\u30d9\u30eb\u3001\u30b0\u30eb\u30fc\u30d7\u306f\u3059\u3079\u3066\u3001\u8907\u96d1\u306a\u8a2d\u5b9a\u306a\u3057\u306b\u57fa\u672c\u7684\u306a\u30c6\u30ad\u30b9\u30c8\u884c\u3067\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002<\/div>\n

1. \u57fa\u672c\u7684\u306a\u56f3\u5f62\u3068\u63a5\u7d9a<\/h2>\n

\u56f3\u5f62\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001\u540d\u524d\u3092\u305d\u306e\u307e\u307e\u5165\u529b\u3059\u308b\u3060\u3051\u3067\u3059\u3002\u56f3\u5f62\u3092\u63a5\u7d9a\u3059\u308b\u306b\u306f\u3001\u77e2\u5370\uff08-><\/code> \u3067\u7247\u65b9\u5411\u3001<-><\/code> \u3067\u53cc\u65b9\u5411\uff09\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n

\n
\nD2<\/span>
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067D2\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n
\n
\r\n
\r\n D2<\/span>\r\n \r\n <\/path><\/path><\/svg>\r\n Edit D2 in VPasCode<\/span>\r\n <\/a>\r\n <\/div>\r\n
\r\n 
# \u7c21\u5358\u306a\u63a5\u7d9a\r\n\u30e6\u30fc\u30b6\u30fc -> Web\u30b5\u30fc\u30d0\u30fc: HTTP\u30ea\u30af\u30a8\u30b9\u30c8\r\nWeb\u30b5\u30fc\u30d0\u30fc -> \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9: \u30c7\u30fc\u30bf\u53d6\u5f97\r\n\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9 -> Web\u30b5\u30fc\u30d0\u30fc: \u7d50\u679c\u3092\u8fd4\u3059\r\nWeb\u30b5\u30fc\u30d0\u30fc <-> \u30ad\u30e3\u30c3\u30b7\u30e5: \u8aad\u307f\u66f8\u304d\u540c\u671f<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067D2\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"D2<\/p>\n
2. \u56f3\u5f62\u306e\u7a2e\u985e\u3068\u30ab\u30b9\u30bf\u30e0\u30e9\u30d9\u30eb<\/h2>\n
\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u56f3\u5f62\u306f\u6a19\u6e96\u7684\u306a\u30dc\u30c3\u30af\u30b9\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u56f3\u5f62\u306e\u30a2\u30a4\u30b3\u30f3\u30bf\u30a4\u30d7\u3092\u7c21\u5358\u306b\u5909\u66f4\u3057\u305f\u308a\u3001\u30ab\u30b9\u30bf\u30e0\u30e9\u30d9\u30eb\u3092\u8a2d\u5b9a\u3057\u305f\u308a\u3059\u308b\u306b\u306f\u3001shape<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\n
\nD2<\/span>
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067D2\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n
\n            
\r\n                                
\r\n                    D2<\/span>\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                
\r\n                    
# \u56f3\u5f62\u306e\u7a2e\u985e\u3092\u5b9a\u7fa9\r\n\u30af\u30e9\u30a4\u30a2\u30f3\u30c8: {\r\n  shape: person\r\n}\r\n\r\n\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9: {\r\n  shape: cloud\r\n}\r\n\r\n\u30e1\u30a4\u30f3DB: {\r\n  shape: cylinder\r\n  label: \"\u30d7\u30e9\u30a4\u30de\u30ea\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9 (PostgreSQL)\"\r\n}\r\n\r\n\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 -> \u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9 -> \u30e1\u30a4\u30f3DB<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067D2\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"D2<\/p>\n
3. \u30af\u30e9\u30b9\u5b9a\u7fa9<\/h2>\n
D2\u306f\u3001class<\/code>\u56f3\u5f62\u3092\u4f7f\u7528\u3057\u3066\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u69cb\u9020\u8a2d\u8a08\u3092\u30cd\u30a4\u30c6\u30a3\u30d6\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\n
\nD2<\/span>
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067D2\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n
\n            
\r\n                                
\r\n                    D2<\/span>\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                
\r\n                    
\u9867\u5ba2\u30a2\u30ab\u30a6\u30f3\u30c8: {\r\n  shape: class\r\n\r\n  accountId: \u6587\u5b57\u5217\r\n  emailAddress: \u6587\u5b57\u5217\r\n\r\n  isActive(): \u30d6\u30fc\u30eb\u5024\r\n}<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067D2\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"D2<\/p>\n
4. \u30cd\u30b9\u30c8\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30ca\uff08\u30b0\u30eb\u30fc\u30d7\u5316\uff09<\/h2>\n
D2\u3067\u306f\u3001\u6a19\u6e96\u306e\u6ce2\u304b\u3063\u3053\uff08”\uff09\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u306b\u30a2\u30a4\u30c6\u30e0\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u306e\u304c\u7c21\u5358\u3067\u3059\u3002{}<\/code>\uff09\u3002\u307e\u305f\u3001\u30c9\u30c3\u30c8\u8868\u8a18\u3092\u4f7f\u7528\u3057\u3066\u3001\u7570\u306a\u308b\u30b0\u30eb\u30fc\u30d7\u9593\u306e\u8981\u7d20\u3092\u30ea\u30f3\u30af\u3067\u304d\u307e\u3059\u3002<\/p>\n
\n
\nD2<\/span>
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067D2\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n
\n            
\r\n                                
\r\n                    D2<\/span>\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                
\r\n                    
# \u30b3\u30f3\u30c6\u30ca\u306b\u3088\u308b\u30b0\u30eb\u30fc\u30d7\u5316\r\n\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3: {\r\n  React UI -> \u30b9\u30c6\u30fc\u30c8\u30de\u30cd\u30fc\u30b8\u30e3\r\n}\r\n\r\n\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3: {\r\n  API\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4 -> \u8a8d\u8a3c\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\r\n  API\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4 -> \u6ce8\u6587\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\r\n}\r\n\r\n# \u30b0\u30eb\u30fc\u30d7\u9593\u306e\u63a5\u7d9a\r\n\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3.\u30b9\u30c6\u30fc\u30c8\u30de\u30cd\u30fc\u30b8\u30e3 -> \u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3.API\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4: REST\u30b3\u30fc\u30eb<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067D2\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"D2<\/p>\n
5. \u30b9\u30bf\u30a4\u30ea\u30f3\u30b0\u3068\u8272<\/h2>\n
\u30ab\u30b9\u30bf\u30e0\u306e\u80cc\u666f\u8272\u3001\u7dda\u306e\u8272\u3001\u30d5\u30a9\u30f3\u30c8\u30b9\u30bf\u30a4\u30eb\u306f\u3001\u30d6\u30ed\u30c3\u30af\u5185\u3067\u3059\u3079\u3066\u76f4\u63a5\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002style<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3002<\/p>\n
\n
\nD2<\/span>
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067D2\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n
\n            
\r\n                                
\r\n                    D2<\/span>\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                
\r\n                    
\u30b5\u30fc\u30d3\u30b9A: {\r\n  style: {\r\n    fill: \"#e0e7ff\"\r\n    stroke: \"#4338ca\"\r\n    border-radius: 8\r\n  }\r\n}\r\n\r\n\u30b5\u30fc\u30d3\u30b9B: {\r\n  style: {\r\n    fill: \"#fef3c7\"\r\n    stroke: \"#d97706\"\r\n  }\r\n}\r\n\r\n\u30b5\u30fc\u30d3\u30b9A -> \u30b5\u30fc\u30d3\u30b9B: \u30e1\u30c3\u30bb\u30fc\u30b8\u9001\u4fe1<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit D2 in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067D2\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"D2<\/p>\n
6. \u30af\u30a4\u30c3\u30af\u69cb\u6587\u30c1\u30fc\u30c8\u30b7\u30fc\u30c8<\/h2>\n\n\n\n\n\n\n\n\n\n\n
\u6982\u5ff5<\/th>\n\u30b3\u30fc\u30c9\u4f8b<\/th>\n\u6a5f\u80fd<\/th>\n<\/tr>\n<\/thead>\n
\u65b9\u5411\u4ed8\u304d\u63a5\u7d9a<\/strong><\/td>\nA -> B<\/code><\/td>\nA\u304b\u3089B\u3078\u5411\u304b\u3046\u77e2\u5370\u3092\u63cf\u753b\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n
\u7dda\u30e9\u30d9\u30eb<\/strong><\/td>\nA -> B: \u30c7\u30fc\u30bf\u9001\u4fe1<\/code><\/td>\n\u63a5\u7d9a\u306e\u77e2\u5370\u306e\u4e0a\u306b\u30c6\u30ad\u30b9\u30c8\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n
\u53cc\u65b9\u5411\u77e2\u5370<\/strong><\/td>\nA <-> B<\/code><\/td>\n\u4e21\u65b9\u5411\u3092\u6307\u3059\u77e2\u5370\u3092\u63cf\u753b\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n
\u30b3\u30f3\u30c6\u30ca\uff0f\u30b0\u30eb\u30fc\u30d7<\/strong><\/td>\n\u30b5\u30fc\u30d0\u30fc: { ... }<\/code><\/td>\n\u8907\u6570\u306e\u5f62\u72b6\u30921\u3064\u306e\u30dc\u30c3\u30af\u30b9\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n
\u5f62\u72b6\u9078\u629e<\/strong><\/td>\n\u5f62\u72b6: \u30b7\u30ea\u30f3\u30c0\u30fc<\/code><\/td>\n\u6a19\u6e96\u306e\u30dc\u30c3\u30af\u30b9\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a2\u30a4\u30b3\u30f3\u3001\u4eba\u7269\u3001\u30af\u30e9\u30a6\u30c9\u3001\u30af\u30e9\u30b9\u306a\u3069\u306b\u5909\u66f4\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n
\u30b3\u30e1\u30f3\u30c8<\/strong><\/td>\n# \u79c1\u306e\u30b3\u30e1\u30f3\u30c8<\/code><\/td>\n1\u884c\u30b3\u30e1\u30f3\u30c8\u306f\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u306b\u7121\u8996\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"
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