{"id":2016,"date":"2026-08-06T06:15:46","date_gmt":"2026-08-06T06:15:46","guid":{"rendered":"https:\/\/www.vpascode.com\/cn\/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\/cn\/docs\/vpascode-docs\/d2-playbook\/d2-syntax-basics\/","title":{"rendered":"D2 \u8bed\u6cd5\u57fa\u7840"},"content":{"rendered":"

D2 \u662f\u4e00\u79cd\u73b0\u4ee3\u7684\u3001\u57fa\u4e8e\u6587\u672c\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u521b\u5efa\u6e05\u6670\u3001\u6613\u8bfb\u7684\u56fe\u8868\u3002\u5b83\u4ee3\u8868\u201c\u58f0\u660e\u5f0f\u7ed8\u56fe\u201d\u3002\u5728 VPasCode \u4e2d\uff0cD2 \u5141\u8bb8\u8f6f\u4ef6\u5f00\u53d1\u4eba\u5458\u548c\u89e3\u51b3\u65b9\u6848\u67b6\u6784\u5e08\u5c06\u7b80\u5355\u7684\u4ee3\u7801\u6587\u672c\u8f6c\u6362\u4e3a\u5e72\u51c0\u7684\u89c6\u89c9\u6a21\u578b\uff0c\u800c\u65e0\u9700\u624b\u52a8\u7ed8\u5236\u5f62\u72b6\u3002<\/p>\n

\u63d0\u793a\uff1a<\/strong> D2 \u8bed\u6cd5\u8bbe\u8ba1\u4e3a\u7b80\u5355\u6613\u8bfb\u3002\u5f62\u72b6\u3001\u8fde\u63a5\u3001\u6807\u7b7e\u548c\u7ec4\u90fd\u53ef\u4ee5\u4f7f\u7528\u57fa\u672c\u7684\u6587\u672c\u884c\u7f16\u5199\uff0c\u65e0\u9700\u590d\u6742\u7684\u8bbe\u7f6e\u3002<\/div>\n

1. \u57fa\u672c\u5f62\u72b6\u4e0e\u8fde\u63a5<\/h2>\n

\u8981\u521b\u5efa\u5f62\u72b6\uff0c\u53ea\u9700\u8f93\u5165\u5176\u540d\u79f0\u3002\u8981\u8fde\u63a5\u5f62\u72b6\uff0c\u8bf7\u4f7f\u7528\u7bad\u5934\uff08-><\/code> \u8868\u793a\u5355\u5411\uff0c<-><\/code> \u8868\u793a\u53cc\u5411\uff09\u3002<\/p>\n

\n
\nD2<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7f16\u8f91 D2<\/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 
# \u7b80\u5355\u8fde\u63a5\r\n\u7528\u6237 -> Web \u670d\u52a1\u5668\uff1aHTTP \u8bf7\u6c42\r\nWeb \u670d\u52a1\u5668 -> \u6570\u636e\u5e93\uff1a\u83b7\u53d6\u6570\u636e\r\n\u6570\u636e\u5e93 -> Web \u670d\u52a1\u5668\uff1a\u8fd4\u56de\u7ed3\u679c\r\nWeb \u670d\u52a1\u5668 <-> \u7f13\u5b58\uff1a\u8bfb\u5199\u540c\u6b65<\/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>
\n\u5728 VPasCode \u4e2d\u7f16\u8f91 D2<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"D2<\/p>\n
2. \u5f62\u72b6\u7c7b\u578b\u4e0e\u81ea\u5b9a\u4e49\u6807\u7b7e<\/h2>\n
\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5f62\u72b6\u663e\u793a\u4e3a\u6807\u51c6\u65b9\u6846\u3002\u60a8\u53ef\u4ee5\u8f7b\u677e\u5730\u901a\u8fc7\u4f7f\u7528 shape<\/code> \u5c5e\u6027\u6765\u66f4\u6539\u5f62\u72b6\u7684\u56fe\u6807\u7c7b\u578b\u6216\u8bbe\u7f6e\u81ea\u5b9a\u4e49\u6807\u7b7e\u3002<\/p>\n
\n
\nD2<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7f16\u8f91 D2<\/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                    
# \u5b9a\u4e49\u5f62\u72b6\u7c7b\u578b\r\n\u5ba2\u6237\u7aef\uff1a{\r\n  shape: person\r\n}\r\n\r\n\u4e91\u670d\u52a1\uff1a{\r\n  shape: cloud\r\n}\r\n\r\n\u4e3b\u6570\u636e\u5e93\uff1a{\r\n  shape: cylinder\r\n  label: \"\u4e3b\u6570\u636e\u5e93\uff08PostgreSQL\uff09\"\r\n}\r\n\r\n\u5ba2\u6237\u7aef -> \u4e91\u670d\u52a1 -> \u4e3b\u6570\u636e\u5e93<\/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>
\n\u5728 VPasCode \u4e2d\u7f16\u8f91 D2<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"D2<\/p>\n
3. \u7c7b\u5b9a\u4e49<\/h2>\n
D2 \u539f\u751f\u652f\u6301\u4f7f\u7528 class<\/code> \u5f62\u72b6\u8fdb\u884c\u9762\u5411\u5bf9\u8c61\u7684\u7ed3\u6784\u8bbe\u8ba1\u3002<\/p>\n
\n
\nD2<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7f16\u8f91 D2<\/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                    
\u5ba2\u6237\u8d26\u6237\uff1a{\r\n  shape: class\r\n\r\n  accountId: \u5b57\u7b26\u4e32\r\n  emailAddress: \u5b57\u7b26\u4e32\r\n\r\n  isActive(): \u5e03\u5c14\u503c\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>
\n\u5728 VPasCode \u4e2d\u7f16\u8f91 D2<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"D2<\/p>\n
4. \u5d4c\u5957\u5bb9\u5668\uff08\u5206\u7ec4\uff09<\/h2>\n
D2 \u4f7f\u7528\u6807\u51c6\u7684\u5927\u62ec\u53f7\uff08”{}<\/code>\uff09\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u9879\u76ee\u5206\u7ec4\u5230\u5bb9\u5668\u4e2d\u3002\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528\u70b9\u8868\u793a\u6cd5\u5728\u4e0d\u540c\u7ec4\u4e4b\u95f4\u8fde\u63a5\u5143\u7d20\u3002<\/p>\n
\n
\nD2<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7f16\u8f91 D2<\/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                    
# \u4f7f\u7528\u5bb9\u5668\u8fdb\u884c\u5206\u7ec4\r\n\u524d\u7aef\u5e94\u7528\uff1a{\r\n  React UI -> \u72b6\u6001\u7ba1\u7406\u5668\r\n}\r\n\r\n\u540e\u7aef\u57fa\u7840\u8bbe\u65bd\uff1a{\r\n  API \u7f51\u5173 -> \u8ba4\u8bc1\u5fae\u670d\u52a1\r\n  API \u7f51\u5173 -> \u8ba2\u5355\u5fae\u670d\u52a1\r\n}\r\n\r\n# \u8de8\u7ec4\u8fde\u63a5\r\n\u524d\u7aef\u5e94\u7528.\u72b6\u6001\u7ba1\u7406\u5668 -> \u540e\u7aef\u57fa\u7840\u8bbe\u65bd.API \u7f51\u5173\uff1aREST \u8c03\u7528<\/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>
\n\u5728 VPasCode \u4e2d\u7f16\u8f91 D2<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"D2<\/p>\n
5. \u6837\u5f0f\u4e0e\u989c\u8272<\/h2>\n
\u81ea\u5b9a\u4e49\u80cc\u666f\u989c\u8272\u3001\u63cf\u8fb9\u989c\u8272\u548c\u5b57\u4f53\u6837\u5f0f\u53ef\u4ee5\u76f4\u63a5\u5728\u5757\u5185\u4f7f\u7528 style<\/code> \u5173\u952e\u5b57\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n
\n
\nD2<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7f16\u8f91 D2<\/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                    
\u670d\u52a1 A\uff1a{\r\n  \u6837\u5f0f\uff1a{\r\n    \u586b\u5145\uff1a\"#e0e7ff\"\r\n    \u63cf\u8fb9\uff1a\"#4338ca\"\r\n    \u5706\u89d2\uff1a8\r\n  }\r\n}\r\n\r\n\u670d\u52a1 B\uff1a{\r\n  \u6837\u5f0f\uff1a{\r\n    \u586b\u5145\uff1a\"#fef3c7\"\r\n    \u63cf\u8fb9\uff1a\"#d97706\"\r\n  }\r\n}\r\n\r\n\u670d\u52a1 A -> \u670d\u52a1 B\uff1a\u53d1\u9001\u6d88\u606f<\/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>
\n\u5728 VPasCode \u4e2d\u7f16\u8f91 D2<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"D2<\/p>\n
6. \u5feb\u901f\u8bed\u6cd5\u901f\u67e5\u8868<\/h2>\n\n\n\n\n\n\n\n\n\n\n
\u6982\u5ff5<\/th>\n\u4ee3\u7801\u793a\u4f8b<\/th>\n\u4f5c\u7528<\/th>\n<\/tr>\n<\/thead>\n
\u6709\u5411\u8fde\u63a5<\/strong><\/td>\nA -> B<\/code><\/td>\n\u7ed8\u5236\u4e00\u4e2a\u4ece A \u6307\u5411 B \u7684\u7bad\u5934\u3002<\/td>\n<\/tr>\n
\u8fde\u7ebf\u6807\u7b7e<\/strong><\/td>\nA -> B\uff1a\u53d1\u9001\u6570\u636e<\/code><\/td>\n\u5728\u8fde\u63a5\u7bad\u5934\u4e0a\u65b9\u6dfb\u52a0\u6587\u672c\u3002<\/td>\n<\/tr>\n
\u53cc\u5411\u7bad\u5934<\/strong><\/td>\nA <-> B<\/code><\/td>\n\u7ed8\u5236\u4e00\u4e2a\u53cc\u5411\u7bad\u5934\u3002<\/td>\n<\/tr>\n
\u5bb9\u5668 \/ \u5206\u7ec4<\/strong><\/td>\n\u670d\u52a1\u5668\uff1a{ ... }<\/code><\/td>\n\u5c06\u591a\u4e2a\u5f62\u72b6\u7ec4\u5408\u6210\u4e00\u4e2a\u6846\u3002<\/td>\n<\/tr>\n
\u5f62\u72b6\u9009\u62e9<\/strong><\/td>\n\u5f62\u72b6\uff1a\u5706\u67f1\u4f53<\/code><\/td>\n\u5c06\u6807\u51c6\u6846\u66f4\u6539\u4e3a\u6570\u636e\u5e93\u56fe\u6807\u3001\u4eba\u7269\u3001\u4e91\u3001\u7c7b\u7b49\u3002<\/td>\n<\/tr>\n
\u6ce8\u91ca<\/strong><\/td>\n# \u6211\u7684\u6ce8\u91ca<\/code><\/td>\n\u5355\u884c\u6ce8\u91ca\u5728\u6e32\u67d3\u65f6\u88ab\u5ffd\u7565\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"
D2 \u662f\u4e00\u79cd\u73b0\u4ee3\u7684\u3001\u57fa\u4e8e\u6587\u672c\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u521b\u5efa\u6e05\u6670\u3001\u6613\u8bfb\u7684\u56fe\u8868\u3002\u5b83\u4ee3\u8868\u201c\u58f0\u660e\u5f0f\u7ed8\u56fe…<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"template":"","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":""}}},"ld_collection":[14],"class_list":["post-2016","ld_docs","type-ld_docs","status-publish","hentry","ld_collection-vpascode-docs"],"yoast_head":"\nD2 Syntax | Text to diagram tool - VPasCode<\/title>\n<meta name=\"description\" content=\"Master D2 declarative diagramming in VPasCode. Easily build cloud architecture diagrams, ERDs, and workflow charts directly from simple code snippets.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vpascode.com\/cn\/docs\/vpascode-docs\/d2-playbook\/d2-syntax-basics\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D2 Syntax | Text to diagram tool - VPasCode\" \/>\n<meta property=\"og:description\" content=\"Master D2 declarative diagramming in VPasCode. 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