{"id":2285,"date":"2026-05-26T07:38:24","date_gmt":"2026-05-26T07:38:24","guid":{"rendered":"https:\/\/www.vpascode.com\/tw\/docs\/uncategorized\/plantuml-erd-syntax-guide\/"},"modified":"2026-05-26T07:38:24","modified_gmt":"2026-05-26T07:38:24","slug":"plantuml-erd-syntax-guide","status":"publish","type":"ld_docs","link":"https:\/\/www.vpascode.com\/tw\/docs\/vpascode-docs\/plantuml-erd-syntax-guide\/","title":{"rendered":"PlantUML ERD \u8a9e\u6cd5\u6307\u5357"},"content":{"rendered":"

\u4ec0\u9ebc\u662f\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\uff1f<\/h2>\n

\u4e00\u500b\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09<\/strong>\u662f\u4e00\u7a2e\u7d50\u69cb\u85cd\u5716\uff0c\u7528\u65bc\u8a2d\u8a08\u3001\u6587\u4ef6\u5316\u548c\u5206\u6790\u95dc\u4fc2\u578b\u8cc7\u6599\u5eab\u3002\u5b83\u53ef\u8996\u5316\u7cfb\u7d71\u5167\u7684\u8cc7\u6599\u8868\uff08\u5be6\u9ad4\uff09\u3001\u5176\u6240\u5305\u542b\u7684\u7279\u5b9a\u6b04\u4f4d\uff08\u5c6c\u6027\uff09\uff0c\u4ee5\u53ca\u9019\u4e9b\u8cc7\u6599\u8868\u4e4b\u9593\u7684\u9023\u7d50\u65b9\u5f0f\u3002\u5728 PlantUML \u4e2d\uff0cERD \u4f7f\u7528\u8cc7\u8a0a\u5de5\u7a0b\uff08IE\uff09\u7b26\u865f<\/strong>\uff0c\u63a1\u7528\u6a19\u6e96\u70cf\u9d09\u8db3\u7b26\u865f<\/strong>\u4f86\u8868\u793a\u95dc\u4fc2\u7d04\u675f\u3002<\/p>\n

\u7121\u8ad6\u60a8\u662f\u8a2d\u8a08\u5fae\u670d\u52d9\u8cc7\u6599\u5132\u5b58\u3001\u512a\u5316 SQL \u9023\u63a5\u8def\u5f91\uff0c\u9084\u662f\u898f\u5283\u4f01\u696d\u7d1a\u8cc7\u6599\u5009\u5132\u67b6\u69cb\uff0c\u4ee5\u6587\u5b57\u70ba\u5c0e\u5411\u7684 UML ERD \u90fd\u80fd\u78ba\u4fdd\u60a8\u7684\u8cc7\u6599\u5eab\u7d50\u69cb\u6e05\u6670\u660e\u78ba\u3002\u900f\u904eVPasCode<\/strong>\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4e7e\u6de8\u4e14\u5ba3\u544a\u5f0f\u7684\u8a9e\u6cd5\u4f86\u5b9a\u7fa9\u8cc7\u6599\u5eab\u8cc7\u6599\u8868\u3001\u7d22\u5f15\u9375\u8207\u908f\u8f2f\u95dc\u4fc2\u3002\u5f15\u64ce\u6703\u81ea\u52d5\u8655\u7406\u8cc7\u6599\u8868\u6846\u7684\u5927\u5c0f\u8abf\u6574\uff0c\u4e26\u8def\u7531\u60a8\u7684\u5916\u9375\u9023\u63a5\u5b57\u4e32\uff0c\u4e0d\u6703\u7522\u751f\u4efb\u4f55\u91cd\u758a\u7684\u4f48\u5c40\u7dda\u689d\u3002<\/p>\n

\u6838\u5fc3\u8a9e\u6cd5\u6307\u5357\uff1a\u5143\u7d20\u8207\u69cb\u9020<\/h2>\n

\u5728 PlantUML \u4e2d\u5efa\u7acb\u7a69\u5065\u7684 IE \u98a8\u683c ERD\uff0c\u53d6\u6c7a\u65bc\u7d50\u69cb\u5316\u7684\u5be6\u9ad4\u5340\u584a\u3001\u660e\u78ba\u7684\u9375\u6a19\u793a\uff0c\u4ee5\u53ca\u70cf\u9d09\u8db3\u57fa\u6578\u4fee\u98fe\u7b26\u3002<\/p>\n

1. \u8072\u660e\u5be6\u9ad4\uff08\u8cc7\u6599\u5eab\u8cc7\u6599\u8868\uff09<\/h3>\n

\u60a8\u53ef\u4f7f\u7528entity<\/code>\u95dc\u9375\u5b57\uff0c\u5f8c\u63a5\u8cc7\u6599\u8868\u540d\u7a31\u8207\u4e00\u5c0d\u5927\u62ec\u865f\u3002\u5728\u5927\u62ec\u865f\u5167\uff0c\u5217\u51fa\u60a8\u7684\u8cc7\u6599\u8868\u6b04\u4f4d\u3002\u70ba\u4f7f\u60a8\u7684\u7d50\u69cb\u6e05\u6670\u6613\u8b80\uff0c\u8acb\u4f7f\u7528\u6c34\u5e73\u7dda\u5206\u9694\u7b26\uff08--<\/code>\uff09\u4f86\u5206\u9694\u60a8\u7684\u4e3b\u8981\/\u5916\u4f86\u9375\u8207\u4e00\u822c\u8cc7\u6599\u5c6c\u6027\uff1a<\/p>\n

\n
\nPlantuml<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7de8\u8f2f Plantuml<\/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 
entity \"users\" as users_table {\r\n    id : INT [PK]\r\n    --\r\n    email : VARCHAR(255)\r\n    created_at : TIMESTAMP\r\n}<\/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>
\n\u5728 VPasCode \u4e2d\u7de8\u8f2f Plantuml<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
2. \u6307\u5b9a\u4e3b\u8981\u9375\u8207\u5916\u4f86\u9375<\/h3>\n
\u96d6\u7136\u50cf `[PK]` \u6216 `[FK]` \u9019\u6a23\u7684\u6587\u5b57\u6307\u793a\u7b26\u6548\u679c\u826f\u597d\uff0c\u4f46 PlantUML \u7684 IE \u5f15\u64ce\u4e5f\u652f\u63f4\u8996\u89ba\u9375\u5716\u793a\u3002\u5728\u5c6c\u6027\u524d\u65b9\u653e\u7f6e\u661f\u865f\uff08*<\/code>\uff09\u53ef\u5c07\u5176\u6a19\u793a\u70ba**\u5fc5\u8981\uff08\u975e\u7a7a\uff09**\u6b04\u4f4d\uff0c\u800c\u4e7e\u6de8\u7684\u6587\u5b57\u5b57\u4e32\u6216\u6a19\u7c64\u5247\u53ef\u63d0\u4f9b\u660e\u78ba\u7684\u7d22\u5f15\u4e0a\u4e0b\u6587\uff1a<\/p>\n
\n
\nPlantuml<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7de8\u8f2f Plantuml<\/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                    
\u5be6\u9ad4 \"orders\" {\r\n    * id : INT <<PK>>\r\n    --\r\n    * user_id : INT <<FK>>\r\n    \u6298\u6263\u4ee3\u78bc : VARCHAR(50)\r\n}<\/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>
\n\u5728 VPasCode \u4e2d\u7de8\u8f2f PlantUML<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
3. \u6620\u5c04\u70cf\u9d09\u8db3\u7684\u57fa\u6578\u8207\u95dc\u4fc2<\/h3>\n
\u70ba\u4e86\u9023\u63a5\u8868\u683c\u4e26\u5f37\u5236\u57f7\u884c\u53c3\u8003\u5b8c\u6574\u6027\u7d04\u675f\uff0c\u8acb\u4f7f\u7528\u9023\u5b57\u7b26\u3001\u65b9\u62ec\u865f\u548c\u7ba1\u9053\u5b57\u7b26\u7684\u7d44\u5408\u3002\u5728 IE \u8868\u793a\u6cd5\u4e2d\uff0c\u9019\u4e9b\u7b26\u865f\u6703\u5f62\u6210\u7368\u7279\u7684 **\u70cf\u9d09\u8db3** \u982d\u90e8\uff0c\u7528\u4ee5\u8868\u793a\u8cc7\u6599\u5eab\u95dc\u4fc2\uff1a<\/p>\n