{"id":2031,"date":"2026-08-06T06:15:46","date_gmt":"2026-08-06T06:15:46","guid":{"rendered":"https:\/\/www.vpascode.com\/tw\/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\/tw\/docs\/vpascode-docs\/d2-playbook\/d2-syntax-basics\/","title":{"rendered":"D2 \u8a9e\u6cd5\u57fa\u790e"},"content":{"rendered":"

D2 \u662f\u4e00\u6b3e\u73fe\u4ee3\u5316\u7684\u3001\u57fa\u65bc\u6587\u5b57\u7684\u5de5\u5177\uff0c\u7528\u65bc\u5275\u5efa\u6e05\u6670\u3001\u6613\u8b80\u7684\u5716\u8868\u3002\u5b83\u4ee3\u8868\u300c\u5ba3\u544a\u5f0f\u5716\u8868\u7e6a\u88fd\u300d\u3002\u5728 VPasCode \u4e2d\uff0cD2 \u5141\u8a31\u8edf\u9ad4\u958b\u767c\u4eba\u54e1\u548c\u89e3\u6c7a\u65b9\u6848\u67b6\u69cb\u5e2b\u5c07\u7c21\u55ae\u7684\u7a0b\u5f0f\u78bc\u6587\u5b57\u8f49\u63db\u70ba\u4e7e\u6de8\u7684\u8996\u89ba\u6a21\u578b\uff0c\u7121\u9700\u624b\u52d5\u7e6a\u88fd\u5f62\u72c0\u3002<\/p>\n

\u63d0\u793a\uff1a<\/strong> D2 \u8a9e\u6cd5\u8a2d\u8a08\u70ba\u7c21\u55ae\u4e14\u6613\u65bc\u95b1\u8b80\u3002\u5f62\u72c0\u3001\u9023\u63a5\u3001\u6a19\u7c64\u548c\u7fa4\u7d44\u5747\u53ef\u4f7f\u7528\u57fa\u672c\u7684\u6587\u5b57\u884c\u4f86\u64b0\u5beb\uff0c\u7121\u9700\u8907\u96dc\u7684\u8a2d\u5b9a\u3002<\/div>\n

1. \u57fa\u672c\u5f62\u72c0\u8207\u9023\u63a5<\/h2>\n

\u8981\u5efa\u7acb\u5f62\u72c0\uff0c\u53ea\u9700\u8f38\u5165\u5176\u540d\u7a31\u3002\u8981\u9023\u7d50\u5f62\u72c0\uff0c\u8acb\u4f7f\u7528\u7bad\u982d\uff08-><\/code> \u8868\u793a\u55ae\u5411\uff0c\u6216 <-><\/code> \u8868\u793a\u96d9\u5411\uff09\u3002<\/p>\n

\n
\nD2<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7de8\u8f2f 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 
# \u7c21\u55ae\u9023\u63a5\r\n\u4f7f\u7528\u8005 -> \u7db2\u9801\u4f3a\u670d\u5668\uff1aHTTP \u8acb\u6c42\r\n\u7db2\u9801\u4f3a\u670d\u5668 -> \u8cc7\u6599\u5eab\uff1a\u53d6\u5f97\u8cc7\u6599\r\n\u8cc7\u6599\u5eab -> \u7db2\u9801\u4f3a\u670d\u5668\uff1a\u56de\u50b3\u7d50\u679c\r\n\u7db2\u9801\u4f3a\u670d\u5668 <-> \u5feb\u53d6\uff1a\u8b80\u5beb\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\u7de8\u8f2f D2<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"D2<\/p>\n
2. \u5f62\u72c0\u985e\u578b\u8207\u81ea\u8a02\u6a19\u7c64<\/h2>\n
\u9810\u8a2d\u60c5\u6cc1\u4e0b\uff0c\u5f62\u72c0\u6703\u4ee5\u6a19\u6e96\u65b9\u6846\u986f\u793a\u3002\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u900f\u904e\u4f7f\u7528 shape<\/code> \u5c6c\u6027\u4f86\u8b8a\u66f4\u5f62\u72c0\u7684\u5716\u793a\u985e\u578b\u6216\u8a2d\u5b9a\u81ea\u8a02\u6a19\u7c64\u3002<\/p>\n
\n
\nD2<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7de8\u8f2f 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\u7fa9\u5f62\u72c0\u985e\u578b\r\n\u5ba2\u6236\u7aef\uff1a{\r\n  shape: person\r\n}\r\n\r\n\u96f2\u7aef\u670d\u52d9\uff1a{\r\n  shape: cloud\r\n}\r\n\r\n\u4e3b\u8cc7\u6599\u5eab\uff1a{\r\n  shape: cylinder\r\n  label: \"\u4e3b\u8981\u8cc7\u6599\u5eab (PostgreSQL)\"\r\n}\r\n\r\n\u5ba2\u6236\u7aef -> \u96f2\u7aef\u670d\u52d9 -> \u4e3b\u8cc7\u6599\u5eab<\/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\u7de8\u8f2f D2<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"D2<\/p>\n
3. \u985e\u5225\u5b9a\u7fa9<\/h2>\n
D2 \u539f\u751f\u652f\u63f4\u4f7f\u7528 class<\/code> \u5f62\u72c0\u4f86\u9032\u884c\u7269\u4ef6\u5c0e\u5411\u7d50\u69cb\u8a2d\u8a08\u3002<\/p>\n
\n
\nD2<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7de8\u8f2f 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\u6236\u5e33\u6236\uff1a{\r\n  shape: class\r\n\r\n  accountId: \u5b57\u4e32\r\n  emailAddress: \u5b57\u4e32\r\n\r\n  isActive(): \u5e03\u6797\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\u7de8\u8f2f D2<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"D2<\/p>\n
4. \u5d4c\u5957\u5bb9\u5668\uff08\u5206\u7d44\uff09<\/h2>\n
D2 \u53ef\u4ee5\u4f7f\u7528\u6a19\u6e96\u7684\u5927\u62ec\u865f\uff08”\uff09\u8f15\u9b06\u5730\u5c07\u9805\u76ee\u5206\u7d44\u5230\u5bb9\u5668\u4e2d{}<\/code>\u3002\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528\u9ede\u8868\u793a\u6cd5\u5c07\u4e0d\u540c\u7d44\u4e2d\u7684\u5143\u7d20\u9023\u7d50\u8d77\u4f86\u3002<\/p>\n
\n
\nD2<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7de8\u8f2f 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\u9032\u884c\u5206\u7d44\r\n\u524d\u7aef\u61c9\u7528\u7a0b\u5f0f\uff1a{\r\n  React UI -> \u72c0\u614b\u7ba1\u7406\u5668\r\n}\r\n\r\n\u5f8c\u7aef\u57fa\u790e\u8a2d\u65bd\uff1a{\r\n  API \u7db2\u95dc -> \u8a8d\u8b49\u5fae\u670d\u52d9\r\n  API \u7db2\u95dc -> \u8a02\u55ae\u5fae\u670d\u52d9\r\n}\r\n\r\n# \u8de8\u7d44\u9023\u7d50\r\n\u524d\u7aef\u61c9\u7528\u7a0b\u5f0f.\u72c0\u614b\u7ba1\u7406\u5668 -> \u5f8c\u7aef\u57fa\u790e\u8a2d\u65bd.API \u7db2\u95dc\uff1aREST \u547c\u53eb<\/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\u7de8\u8f2f D2<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"D2<\/p>\n
5. \u6a23\u5f0f\u8207\u984f\u8272<\/h2>\n
\u81ea\u8a02\u80cc\u666f\u984f\u8272\u3001\u7dda\u689d\u984f\u8272\u548c\u5b57\u578b\u6a23\u5f0f\u53ef\u76f4\u63a5\u5728\u5340\u584a\u5167\u4f7f\u7528 style<\/code> \u95dc\u9375\u5b57\u9032\u884c\u81ea\u8a02\u3002<\/p>\n
\n
\nD2<\/span>
\n
\n<\/path><\/path><\/svg>
\n\u5728 VPasCode \u4e2d\u7de8\u8f2f 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\u52d9 A\uff1a{\r\n  \u6a23\u5f0f\uff1a{\r\n    \u586b\u5145\uff1a\"#e0e7ff\"\r\n    \u7dda\u689d\uff1a\"#4338ca\"\r\n    \u908a\u6846\u5713\u89d2\uff1a8\r\n  }\r\n}\r\n\r\n\u670d\u52d9 B\uff1a{\r\n  \u6a23\u5f0f\uff1a{\r\n    \u586b\u5145\uff1a\"#fef3c7\"\r\n    \u7dda\u689d\uff1a\"#d97706\"\r\n  }\r\n}\r\n\r\n\u670d\u52d9 A -> \u670d\u52d9 B\uff1a\u50b3\u9001\u8a0a\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\u7de8\u8f2f D2<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"D2<\/p>\n
6. \u5feb\u901f\u8a9e\u6cd5\u901f\u67e5\u8868<\/h2>\n\n\n\n\n\n\n\n\n\n\n
\u6982\u5ff5<\/th>\n\u7a0b\u5f0f\u78bc\u7bc4\u4f8b<\/th>\n\u529f\u80fd\u8aaa\u660e<\/th>\n<\/tr>\n<\/thead>\n
\u65b9\u5411\u6027\u9023\u63a5<\/strong><\/td>\nA -> B<\/code><\/td>\n\u7e6a\u88fd\u4e00\u500b\u5f9e A \u6307\u5411 B \u7684\u7bad\u982d\u3002<\/td>\n<\/tr>\n
\u7dda\u689d\u6a19\u7c64<\/strong><\/td>\nA -> B\uff1a\u50b3\u9001\u8cc7\u6599<\/code><\/td>\n\u5728\u9023\u63a5\u7bad\u982d\u4e0a\u65b9\u65b0\u589e\u6587\u5b57\u3002<\/td>\n<\/tr>\n
\u96d9\u5411\u7bad\u982d<\/strong><\/td>\nA <-> B<\/code><\/td>\n\u7e6a\u88fd\u4e00\u500b\u96d9\u5411\u6307\u5411\u7684\u7bad\u982d\u3002<\/td>\n<\/tr>\n
\u5bb9\u5668 \/ \u7fa4\u7d44<\/strong><\/td>\n\u4f3a\u670d\u5668\uff1a{ ... }<\/code><\/td>\n\u5c07\u591a\u500b\u5f62\u72c0\u5408\u4f75\u70ba\u55ae\u4e00\u6846\u9ad4\u3002<\/td>\n<\/tr>\n
\u5f62\u72c0\u9078\u64c7<\/strong><\/td>\n\u5f62\u72c0\uff1a\u5713\u67f1<\/code><\/td>\n\u5c07\u6a19\u6e96\u6846\u9ad4\u8b8a\u66f4\u70ba\u8cc7\u6599\u5eab\u5716\u793a\u3001\u4eba\u7269\u3001\u96f2\u7aef\u3001\u985e\u5225\u7b49\u3002<\/td>\n<\/tr>\n
\u8a3b\u89e3<\/strong><\/td>\n# \u6211\u7684\u8a3b\u89e3<\/code><\/td>\n\u55ae\u884c\u8a3b\u89e3\u5728\u6e32\u67d3\u6642\u88ab\u5ffd\u7565\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"
D2 \u662f\u4e00\u6b3e\u73fe\u4ee3\u5316\u7684\u3001\u57fa\u65bc\u6587\u5b57\u7684\u5de5\u5177\uff0c\u7528\u65bc\u5275\u5efa\u6e05\u6670\u3001\u6613\u8b80\u7684\u5716\u8868\u3002\u5b83\u4ee3\u8868\u300c\u5ba3\u544a\u5f0f\u5716…<\/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-2031","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\/tw\/docs\/vpascode-docs\/d2-playbook\/d2-syntax-basics\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\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. Easily build cloud architecture diagrams, ERDs, and workflow charts directly from simple code snippets.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.vpascode.com\/tw\/docs\/vpascode-docs\/d2-playbook\/d2-syntax-basics\/\" \/>\n<meta property=\"og:site_name\" content=\"VPasCode\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a742d37a7527.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u9810\u4f30\u95b1\u8b80\u6642\u9593\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 \u5206\u9418\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.vpascode.com\\\/tw\\\/docs\\\/vpascode-docs\\\/d2-playbook\\\/d2-syntax-basics\\\/\",\"url\":\"https:\\\/\\\/www.vpascode.com\\\/tw\\\/docs\\\/vpascode-docs\\\/d2-playbook\\\/d2-syntax-basics\\\/\",\"name\":\"D2 Syntax | Text to diagram tool - VPasCode\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.vpascode.com\\\/tw\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.vpascode.com\\\/tw\\\/docs\\\/vpascode-docs\\\/d2-playbook\\\/d2-syntax-basics\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.vpascode.com\\\/tw\\\/docs\\\/vpascode-docs\\\/d2-playbook\\\/d2-syntax-basics\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.vpascode.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/img_6a742d37a7527.png\",\"datePublished\":\"2026-08-06T06:15:46+00:00\",\"description\":\"Master D2 declarative diagramming in VPasCode. 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