{"id":2088,"date":"2026-07-08T06:48:07","date_gmt":"2026-07-08T06:48:07","guid":{"rendered":"https:\/\/www.vpascode.com\/tw\/docs\/uncategorized\/mermaid-js-c4-diagram-syntax-architecture-guide\/"},"modified":"2026-07-08T06:48:07","modified_gmt":"2026-07-08T06:48:07","slug":"mermaid-js-c4-diagram-syntax-architecture-guide","status":"publish","type":"ld_docs","link":"https:\/\/www.vpascode.com\/tw\/docs\/vpascode-docs\/mermaid-js-playbook\/mermaid-js-c4-diagram-syntax-architecture-guide","title":{"rendered":"Mermaid.js C4 \u5716\u8868\u8a9e\u6cd5\u8207\u67b6\u69cb\u6307\u5357"},"content":{"rendered":"<p>C4 \u5716\u8868\u662f\u4e00\u7a2e\u6a19\u6e96\u5316\u7684\u67b6\u69cb\u8996\u89ba\u5316\u65b9\u6cd5\uff0c\u65e8\u5728\u65bc\u591a\u500b\u7d50\u69cb\u62bd\u8c61\u5c64\u6b21\u4e0a\u6a21\u64ec\u8edf\u9ad4\u7cfb\u7d71\u3002\u5167\u5efa\u65bc Mermaid.js \u4e2d\u7684<code>c4<\/code>\u5f15\u64ce\u9075\u5faa C4 \u6a21\u578b\u7684\u56db\u500b\u6838\u5fc3\u5c64\u7d1a\uff1a<strong>\u4e0a\u4e0b\u6587<\/strong>\uff08\u5b8f\u751f\u614b\u7cfb\u7d71\uff09\uff0c<strong>\u5bb9\u5668<\/strong>\uff08\u61c9\u7528\u7a0b\u5f0f\u3001\u670d\u52d9\u8207\u8cc7\u6599\u5eab\uff09\uff0c<strong>\u7d44\u4ef6<\/strong>\uff08\u5167\u90e8\u7d50\u69cb\u6a21\u7d44\uff09\uff0c\u4ee5\u53ca<strong>\u52d5\u614b\u4e92\u52d5<\/strong>\u3002\u6b64\u5de5\u5177\u900f\u904e\u6839\u64da\u60a8\u7684\u6587\u5b57\u5ba3\u544a\u61c9\u7528\u4e00\u81f4\u4e14\u53ef\u76f4\u63a5\u5c55\u793a\u7684\u67b6\u69cb\u6a21\u7d44\uff0c\u514d\u9664\u81ea\u8a02 CSS \u6a23\u5f0f\u7684\u9ebb\u7169\u3002<\/p>\n<h2>\u7406\u89e3 C4 \u5716\u8868\u62bd\u8c61\u6982\u5ff5\u8207\u95dc\u9375\u5b57<\/h2>\n<p>Mermaid \u652f\u63f4\u56db\u7a2e\u5c08\u7528\u7684\u5716\u8868\u521d\u59cb\u5316\u6a19\u982d\uff0c\u53d6\u6c7a\u65bc\u60a8\u7684\u7cfb\u7d71\u4f48\u5c40\u6240\u9700\u7684\u7d30\u7bc0\u5c64\u7d1a\uff1a<\/p>\n<ul>\n<li><code>C4Context<\/code>\uff1a\u5c08\u6ce8\u65bc\u6574\u9ad4\u8996\u5716\uff0c\u986f\u793a\u4f7f\u7528\u8005\u3001\u6838\u5fc3\u8edf\u9ad4\u751f\u614b\u7cfb\u7d71\u4ee5\u53ca\u9ad8\u968e\u5916\u90e8\u4f9d\u8cf4\u95dc\u4fc2\u3002<\/li>\n<li><code>C4Container<\/code>\uff1a\u5411\u4e0b\u4e00\u5c64\u7e2e\u653e\uff0c\u62c6\u89e3\u7368\u7acb\u61c9\u7528\u7a0b\u5f0f\u3001\u524d\u7aef\u4ecb\u9762\u3001\u5fae\u670d\u52d9\u3001\u8cc7\u6599\u5eab\u5132\u5b58\u7cfb\u7d71\u8207\u4f47\u5217\u3002<\/li>\n<li><code>C4Component<\/code>\uff1a\u6df1\u5165\u5bb9\u5668\u5167\u90e8\uff0c\u5c55\u793a\u5167\u90e8\u7a0b\u5f0f\u78bc\u5c64\u7d1a\u7684\u6a21\u7d44\uff0c\u4f8b\u5982\u63a7\u5236\u5668\uff08Controllers\uff09\u3001\u670d\u52d9\uff08Services\uff09\u8207\u5132\u5b58\u5eab\uff08Repositories\uff09\u3002<\/li>\n<li><code>C4Dynamic<\/code>\uff1a\u5c08\u6ce8\u65bc\u8ffd\u8e64\u57f7\u884c\u6642\u671f\u7684\u8cc7\u6599\u4e92\u52d5\uff0c\u6216\u57fa\u790e\u8a2d\u65bd\u6a21\u7d44\u4e4b\u9593\u7684\u9010\u6b65\u4ea4\u6613\u5e8f\u5217\u3002<\/li>\n<\/ul>\n<h2>\u57fa\u672c\u8a9e\u6cd5\u7d50\u69cb<\/h2>\n<p>\u6bcf\u500b C4 \u5716\u8868\u5747\u4ee5\u7279\u5b9a\u5c64\u7d1a\u6a19\u982d\u958b\u59cb\uff0c\u5f8c\u63a5\u53ef\u9078\u7684\u6a19\u984c\u9673\u8ff0\u8207\u4ee5\u9017\u865f\u5206\u9694\u7684\u5de8\u96c6\u5143\u4ef6\u3002\u53c3\u6578\u7f6e\u65bc\u62ec\u865f\u4e2d\uff0c\u5b57\u4e32\u4ee5\u96d9\u5f15\u865f\u5305\u570d\u3002<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Mermaid<\/span>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#mermaid:eNpljr0KwkAQhHvBdxiuiiBWvoCm0U5MrCWGjR6et+F2Y\/TtvfyJYLkzs99Muk7ZK710PgPUqiOY7C1KD4wGtq6hOlivqDhgH8XgSaMdyHRfBwrCPikbUX5QWMJsC3+3\/op0lEzUNpgC4Ap6I1xiCq3VG+qeUDgUZcmNV1mZRUcehiSXAXeW\/oys74apaAj2Nc5xK98ugTKeltoJDesrHvFHcj+r\/1pOQtIhd3l+yMziAwImZes=\" rel=\"noopener noreferrer\" target=\"_blank\">\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\n<span>\u5728 VPasCode \u4e2d\u7de8\u8f2f Mermaid<\/span>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Mermaid<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#mermaid:eNpzNnHOzytJrSjh5VJQKMksyUlVUHqya9KLxvXPt216tmDH0\/3Nzzfvfr5145MdXU92dD+b1v5ieu\/TOdOUQOoDUouK8\/M0kkuLS\/JzU4t0FJRedjW8WNjzdN2iZx3blID8Z5Mbn83pfNrQ\/WTXrqc7NgNFn89qQVb0uKFJSRNkVnBlcUlqrkZSYl52Zl56fDGYCzQB6Ayg1RAtEJeAzH2xbjJE\/7P5S5\/P6YYY\/WJz+4sVXXATg1JzkJyGYfCTvfufT1kBMswjJCQgWEkTAOa4iJ8=\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Mermaid in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-mermaid\"><code class=\"language-mermaid\" data-language=\"mermaid\" class=\"language-mermaid\">C4Context\r\n  title \"\u4e92\u806f\u7db2\u6838\u5fc3\u7cfb\u7d71\u4e0a\u4e0b\u6587\u85cd\u5716\"\r\n  Person(customer, \"\u9280\u884c\u5ba2\u6236\", \"\u64c1\u6709\u500b\u4eba\u5e33\u6236\u7684\u9280\u884c\u5ba2\u6236\u3002\")\r\n  System(banking_system, \"\u7db2\u4e0a\u9280\u884c\u7cfb\u7d71\", \"\u8b93\u5ba2\u6236\u67e5\u770b\u5e33\u6236\u8cc7\u8a0a\u3002\")\r\n  Rel(customer, banking_system, \"\u4f7f\u7528\", \"HTTPS\")<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#mermaid:eNpzNnHOzytJrSjh5VJQKMksyUlVUHqya9KLxvXPt216tmDH0\/3Nzzfvfr5145MdXU92dD+b1v5ieu\/TOdOUQOoDUouK8\/M0kkuLS\/JzU4t0FJRedjW8WNjzdN2iZx3blID8Z5Mbn83pfNrQ\/WTXrqc7NgNFn89qQVb0uKFJSRNkVnBlcUlqrkZSYl52Zl56fDGYCzQB6Ayg1RAtEJeAzH2xbjJE\/7P5S5\/P6YYY\/WJz+4sVXXATg1JzkJyGYfCTvfufT1kBMswjJCQgWEkTAOa4iJ8=\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Mermaid in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n             <\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#mermaid:eNpljr0KwkAQhHvBdxiuiiBWvoCm0U5MrCWGjR6et+F2Y\/TtvfyJYLkzs99Muk7ZK710PgPUqiOY7C1KD4wGtq6hOlivqDhgH8XgSaMdyHRfBwrCPikbUX5QWMJsC3+3\/op0lEzUNpgC4Ap6I1xiCq3VG+qeUDgUZcmNV1mZRUcehiSXAXeW\/oys74apaAj2Nc5xK98ugTKeltoJDesrHvFHcj+r\/1pOQtIhd3l+yMziAwImZes=\" rel=\"noopener noreferrer\" target=\"_blank\">\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\n<span>\u5728 VPasCode \u4e2d\u7de8\u8f2f Mermaid<\/span>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"eQIcfSE\"><img fetchpriority=\"high\" alt=\"\" class=\"alignnone size-full wp-image-981\" decoding=\"async\" fetchpriority=\"high\" height=\"486\" sizes=\"(max-width: 1002px) 100vw, 1002px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a4df36e38f3c.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a4df36e38f3c.png 1002w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a4df36e38f3c-300x146.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a4df36e38f3c-768x373.png 768w\" width=\"1002\"\/><\/p>\n<h2>\u5b8c\u6574\u7684 C4 \u5143\u7d20\u5de8\u96c6\u5206\u985e<\/h2>\n<p>Mermaid C4 \u5eab\u63d0\u4f9b\u5ee3\u6cdb\u7684\u5c08\u7528\u5de8\u96c6\uff0c\u4ee5\u660e\u78ba\u5340\u5206\u6240\u6709\u62bd\u8c61\u5c64\u7d1a\u4e2d\u7684\u5167\u90e8\u7d44\u4ef6\u3001\u5916\u90e8\u7cfb\u7d71\u8207\u8cc7\u6599\u5eab\u5c64\u7d1a\u3002<\/p>\n<h3>1. \u4eba\u7269\u8207\u4f7f\u7528\u8005\u5de8\u96c6<\/h3>\n<ul>\n<li><code>Person(\u5225\u540d, \u6a19\u7c64, [\u63cf\u8ff0], [\u89d2\u8272\u5716\u793a], [\u6a19\u7c64])<\/code>: \u6a21\u64ec\u5167\u90e8\u7684\u4eba\u985e\u4f7f\u7528\u8005\u6216\u5229\u76ca\u76f8\u95dc\u8005\u3002<\/li>\n<li><code>Person_Ext(\u5225\u540d, \u6a19\u7c64, [\u63cf\u8ff0], [\u89d2\u8272\u5716\u793a], [\u6a19\u7c64])<\/code>: \u6a21\u64ec\u4f4d\u65bc\u6838\u5fc3\u7d44\u7e54\u908a\u754c\u4e4b\u5916\u7684\u5916\u90e8\u4f7f\u7528\u8005\uff08\u4f8b\u5982\u7b2c\u4e09\u65b9\u4f9b\u61c9\u5546\u6216\u5be9\u8a08\u5e2b\uff09\u3002<\/li>\n<\/ul>\n<h3>2. \u7cfb\u7d71\u8207\u8edf\u9ad4\u751f\u614b\u5de8\u96c6<\/h3>\n<ul>\n<li><code>System(\u5225\u540d, \u6a19\u7c64, [\u63cf\u8ff0], [\u89d2\u8272\u5716\u793a], [\u6a19\u7c64])<\/code>: \u4ee3\u8868\u4f4d\u65bc\u60a8\u76f4\u63a5\u7ba1\u7406\u7bc4\u570d\u5167\u7684\u5167\u90e8\u3001\u5728\u7bc4\u570d\u5167\u7684\u8edf\u9ad4\u7cfb\u7d71\u7fa4\u7d44\u3002<\/li>\n<li><code>System_Ext(\u5225\u540d, \u6a19\u7c64, [\u63cf\u8ff0], [\u89d2\u8272\u5716\u793a], [\u6a19\u7c64])<\/code>: \u6a21\u64ec\u7531\u7b2c\u4e09\u65b9\u7ba1\u7406\u7684\u91cd\u8981\u5916\u90e8\u8edf\u9ad4\u7cfb\u7d71\uff08\u4f8b\u5982\u8eab\u5206\u8b58\u5225\u63d0\u4f9b\u8005\u3001\u6838\u5fc3\u9280\u884c\u5e33\u672c\uff09\u3002<\/li>\n<li><code>SystemDb(\u5225\u540d, \u6a19\u7c64, [\u63cf\u8ff0], [\u89d2\u8272\u5716\u793a], [\u6a19\u7c64])<\/code>: \u5448\u73fe\u4e00\u500b\u5448\u5713\u67f1\u5f62\u7684\u7cfb\u7d71\u5c64\u7d1a\u8cc7\u6599\u5132\u5b58\u5eab\u65b9\u6846\u3002<\/li>\n<li><code>SystemDb_Ext(\u5225\u540d, \u6a19\u7c64, [\u63cf\u8ff0], [\u89d2\u8272\u5716\u793a], [\u6a19\u7c64])<\/code>: \u5448\u73fe\u4e00\u500b\u5916\u90e8\u7684\u7b2c\u4e09\u65b9\u8cc7\u6599\u5eab\u5c64\u7d1a\u3002<\/li>\n<\/ul>\n<h3>3. \u5bb9\u5668\u5c64\u5de8\u96c6\uff08C4Container \u5c64\uff09<\/h3>\n<ul>\n<li><code>Container(\u5225\u540d, \u6a19\u7c64, \u6280\u8853, [\u63cf\u8ff0], [\u89d2\u8272\u5716\u793a], [\u6a19\u7c64])<\/code>: \u6a21\u64ec\u4e00\u500b\u7368\u7acb\u7684\u53ef\u57f7\u884c\u61c9\u7528\u7a0b\u5f0f\u3001API \u4f3a\u670d\u5668\u6216\u524d\u7aef\u4ecb\u9762\u3002<\/li>\n<li><code>ContainerDb(\u5225\u540d, \u6a19\u7c64, \u6280\u8853, [\u63cf\u8ff0], [\u89d2\u8272\u5716\u793a], [\u6a19\u7c64])<\/code>: \u5448\u73fe\u4e00\u500b\u5bb9\u5668\u5c64\u7d1a\u7684\u95dc\u806f\u5f0f\u6216\u975e\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u5f15\u64ce\u5305\u88dd\u3002<\/li>\n<li><code>Container_Ext(\u5225\u540d, \u6a19\u7c64, \u6280\u8853, [\u63cf\u8ff0], [\u89d2\u8272\u5716\u793a], [\u6a19\u7c64])<\/code>: \u4ee3\u8868\u5916\u90e8\u96f2\u7aef\u5bb9\u5668\u6216\u61c9\u7528\u7a0b\u5f0f\u670d\u52d9\u3002<\/li>\n<li><code>ContainerDb_Ext(\u5225\u540d, \u6a19\u7c64, \u6280\u8853, [\u63cf\u8ff0], [\u89d2\u8272\u5716\u793a], [\u6a19\u7c64])<\/code>: \u4ee3\u8868\u5916\u90e8\u7684\u3001\u53d7\u7ba1\u7406\u7684\u96f2\u7aef\u8cc7\u6599\u5eab\u5132\u5b58\u5c64\u7d1a\u3002<\/li>\n<\/ul>\n<h3>4. \u5143\u4ef6\u5c64\u5de8\u96c6\uff08C4Component \u5c64\uff09<\/h3>\n<ul>\n<li><code>Component(\u5225\u540d, \u6a19\u7c64, \u6280\u8853, [\u63cf\u8ff0], [\u89d2\u8272\u5716\u793a], [\u6a19\u7c64])<\/code>: \u5c0d\u61c9\u5167\u90e8\u7a0b\u5f0f\u78bc\u5c64\u7d1a\u7684\u6a21\u7d44\u3001\u5c64\u7d1a\u6216\u985e\u5225\u63a7\u5236\u5668\u3002<\/li>\n<li><code>ComponentDb(\u5225\u540d, \u6a19\u7c64, \u6280\u8853, [\u63cf\u8ff0], [\u89d2\u8272\u5716\u793a], [\u6a19\u7c64])<\/code>: \u6a21\u64ec\u5167\u90e8\u7684\u5fae\u5143\u4ef6\u5132\u5b58\u7cfb\u7d71\u6216\u5e95\u5c64\u6a94\u6848\u5feb\u53d6\u7cfb\u7d71\u3002<\/li>\n<\/ul>\n<hr \/>\n<h2>\u908a\u754c\u5bb9\u5668\u8207\u7d50\u69cb\u5305\u88dd<\/h2>\n<p>\u70ba\u4e86\u8868\u793a\u5b89\u5168\u7bc4\u570d\u3001\u4f01\u696d\u9632\u706b\u7246\u6216\u908f\u8f2f\u61c9\u7528\u7a0b\u5f0f\u908a\u754c\uff0cMermaid \u63d0\u4f9b\u4e86\u4e09\u500b\u5c08\u7528\u7684\u65b9\u62ec\u865f\u5c01\u9589\u5bb9\u5668\u5305\u88dd\u3002\u5d4c\u5957\u5728\u5176\u4e2d\u7684\u5143\u7d20\u6703\u4ee5\u8996\u89ba\u65b9\u5f0f\u5206\u7d44\u3002<\/p>\n<ul>\n<li><code>Enterprise_Boundary(\u5225\u540d, \u6a19\u7c64) { ... }<\/code>: \u5c07\u9ad8\u968e\u7cfb\u7d71\u5305\u570d\u5728\u4e00\u500b\u5ee3\u95ca\u7684\u8996\u89ba\u908a\u754c\u5167\uff0c\u4ee3\u8868\u6574\u9ad4\u4f01\u696d\u6216\u516c\u53f8\u57fa\u790e\u8a2d\u65bd\u7684\u908a\u754c\u3002<\/li>\n<li><code>System_Boundary(\u5225\u540d, \u6a19\u7c64) { ... }<\/code>: \u5c07\u5bc6\u5207\u76f8\u95dc\u7684\u61c9\u7528\u5bb9\u5668\u6216\u5fae\u670d\u52d9\u7fa4\u7d44\u5728\u4e00\u500b\u7d71\u4e00\u7684\u8edf\u9ad4\u751f\u614b\u7cfb\u7d71\u6846\u5167\u3002<\/li>\n<li><code>Container_Boundary(\u5225\u540d, \u6a19\u7c64) { ... }<\/code>: \u5728\u55ae\u4e00\u61c9\u7528\u6a21\u7d44\u7684\u4e0a\u4e0b\u6587\u5c64\u4e2d\uff0c\u5c07\u7a0b\u5f0f\u78bc\u5c64\u7d1a\u7684\u5143\u4ef6\u9694\u96e2\u3002<\/li>\n<\/ul>\n<hr \/>\n<h2>\u9032\u968e\u95dc\u4fc2\u65b9\u5411\u904b\u7b97\u5b50<\/h2>\n<p>\u5728C4\u5716\u4e2d\u9023\u63a5\u6a21\u584a\u4f9d\u8cf4\u65bc<code>Rel<\/code>\u5de8\u96c6\u6216\u5176\u660e\u78ba\u6307\u5411\u7684\u8b8a\u9ad4\u3002\u8207\u50b3\u905e\u539f\u59cb\u6d41\u7a0b\u5716\u7dda\u689d\u4e0d\u540c\uff0c\u60a8\u53ef\u900f\u904e\u5728\u908f\u8f2f\u6a21\u584a\u5167\u76f4\u63a5\u5ba3\u544a\u6280\u8853\u5411\u91cf\u4f86\u8a9e\u7fa9\u5316\u5730\u8ffd\u8e64\u9023\u63a5\u3002<\/p>\n<table border=\"1\" cellpadding=\"5\" cellspacing=\"0\">\n<thead>\n<tr>\n<th>\u95dc\u4fc2\u8a9e\u6cd5\u6a19\u8a18<\/th>\n<th>\u8996\u89ba\u7bad\u982d\u65b9\u5411<\/th>\n<th>\u4f7f\u7528\u5c0d\u9f4a\u4e0a\u4e0b\u6587<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>Rel(\u4f86\u6e90, \u76ee\u6a19, \u6a19\u7c64, [\u6280\u8853])<\/code><\/td>\n<td>\u52d5\u614b \/ \u81ea\u52d5\u5316<\/td>\n<td>\u9810\u8a2d\u95dc\u4fc2\u3002\u8b93\u4f48\u5c40\u6f14\u7b97\u6cd5\u6c7a\u5b9a\u6700\u4f73\u7684\u7dda\u8def\u8def\u5f91\u3002<\/td>\n<\/tr>\n<tr>\n<td><code>BiRel(\u4f86\u6e90, \u76ee\u6a19, \u6a19\u7c64, [\u6280\u8853])<\/code><\/td>\n<td>\u96d9\u5411 (&lt;\u2013&gt;)<\/td>\n<td>\u8868\u793a\u96d9\u5411\u4e92\u52d5\u5f0f\u63e1\u624b\u3001\u96d9\u5de5\u5354\u8b70\u6216\u540c\u6b65\u6d41\u7a0b\u3002<\/td>\n<\/tr>\n<tr>\n<td><code>Rel_Back(\u4f86\u6e90, \u76ee\u6a19, \u6a19\u7c64, [\u6280\u8853])<\/code><\/td>\n<td>\u53cd\u5411\u7bad\u982d\u9802\u7aef (&lt;\u2013)<\/td>\n<td>\u5728\u7a0b\u5f0f\u78bc\u908f\u8f2f\u4e2d\u5411\u524d\u7e6a\u88fd\u95dc\u4fc2\uff0c\u4f46\u5c07\u53ef\u898b\u7684\u8996\u89ba\u7bad\u982d\u53cd\u5411\u7ffb\u8f49\u3002<\/td>\n<\/tr>\n<tr>\n<td><code>Rel_Neighbor(\u4f86\u6e90, \u76ee\u6a19, \u6a19\u7c64, [\u6280\u8853])<\/code><\/td>\n<td>\u6c34\u5e73\u4f48\u5c40\u504f\u597d<\/td>\n<td>\u5f37\u5236\u76ee\u6a19\u7bc0\u9ede\u8207\u4f86\u6e90\u7bc0\u9ede\u4fdd\u6301\u5728\u540c\u4e00\u6c34\u5e73\u5217\u4e0a\uff0c\u7dca\u9130\u5176\u65c1\u3002<\/td>\n<\/tr>\n<tr>\n<td><code>Rel_Down(\u4f86\u6e90, \u76ee\u6a19, \u6a19\u7c64, [\u6280\u8853])<\/code> \/ <code>Rel_D(...)<\/code><\/td>\n<td>\u76f4\u7dda\u5411\u4e0b (v)<\/td>\n<td>\u5f37\u5236\u5782\u76f4\u8cc7\u6599\u6d41\u5411\u4e0b\u50b3\u905e\u81f3\u8cc7\u6599\u5eab\u5c64\u6216\u5f8c\u7e8c\u7684\u80cc\u666f\u6d41\u7a0b\u3002<\/td>\n<\/tr>\n<tr>\n<td><code>Rel_Up(\u4f86\u6e90, \u76ee\u6a19, \u6a19\u7c64, [\u6280\u8853])<\/code> \/ <code>Rel_U(...)<\/code><\/td>\n<td>\u76f4\u4e0a (^)<\/td>\n<td>\u5f37\u5236\u95dc\u4fc2\u8def\u5f91\u76f4\u63a5\u5411\u4e0a\u5ef6\u4f38\u81f3\u5ba2\u6236\u7aef UI \u5143\u4ef6\u3002<\/td>\n<\/tr>\n<tr>\n<td><code>Rel_Left(\u4f86\u6e90, \u76ee\u6a19, \u6a19\u7c64, [\u6280\u8853])<\/code> \/ <code>Rel_L(...)<\/code><\/td>\n<td>\u76f4\u5de6 (&lt;-)<\/td>\n<td>\u5c07\u8def\u5f91\u6c34\u5e73\u5c0e\u5411\u756b\u5e03\u5143\u7d20\u7684\u5de6\u5074\u3002<\/td>\n<\/tr>\n<tr>\n<td><code>Rel_Right(\u4f86\u6e90, \u76ee\u6a19, \u6a19\u7c64, [\u6280\u8853])<\/code> \/ <code>Rel_R(...)<\/code><\/td>\n<td>\u76f4\u53f3 (-&gt;)<\/td>\n<td>\u5c07\u8def\u5f91\u6c34\u5e73\u5c0e\u5411\u756b\u5e03\u5143\u7d20\u7684\u53f3\u5074\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>\u81ea\u8a02\u52d5\u614b\u6a23\u5f0f\u8207\u6a19\u7c64 (C4 \u5716\u5f62\u8986\u5beb)<\/h2>\n<p>\u70ba\u4e86\u6a19\u793a\u820a\u7cfb\u7d71\u61c9\u7528\u7a0b\u5f0f\u3001\u7a81\u51fa\u986f\u793a\u9ad8\u968e\u7cfb\u7d71\uff0c\u6216\u5f37\u8abf\u5b89\u5168\u7684\u8cc7\u6599\u6d41\u7a0b\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5143\u4ef6\u6a19\u7c64\u5f15\u64ce\u5efa\u7acb\u81ea\u8a02\u6a23\u5f0f\u3002\u60a8\u53ef\u5728\u6587\u4ef6\u9802\u7aef\u5b9a\u7fa9\u6a19\u7c64\u5c6c\u6027\u77e9\u9663\uff0c\u7136\u5f8c\u5c07\u8a72\u6a19\u7c64\u6a19\u7c64\u9644\u52a0\u81f3\u60a8\u7684\u5143\u4ef6\u5b9a\u7fa9\u4e2d\u3002<\/p>\n<h3>\u6a23\u5f0f\u4fee\u6539\u95dc\u9375\u5b57\uff1a<\/h3>\n<ul>\n<li><code>UpdateElementStyle(\u5143\u4ef6\u540d\u7a31, \u80cc\u666f\u8272, \u5b57\u9ad4\u8272, [\u908a\u6846\u8272], [\u9670\u5f71])<\/code>: \u76f4\u63a5\u8986\u5beb\u660e\u78ba\u5143\u4ef6\u6846\u7684\u9810\u8a2d\u80cc\u666f\u8abf\u8272\u76e4\u3002<\/li>\n<li><code>UpdateRelStyle(\u4f86\u6e90, \u76ee\u6a19, \u7dda\u689d\u8272, \u6587\u5b57\u8272)<\/code>: \u660e\u78ba\u91dd\u5c0d\u9023\u63a5\u8def\u5f91\uff0c\u4ee5\u91cd\u65b0\u8457\u8272\u7dda\u8def\u8def\u5f91\u6216\u9023\u63a5\u63cf\u8ff0\u3002<\/li>\n<\/ul>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Mermaid<\/span>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#mermaid:eNptj1FLw0AMx98Fv0NoGShMEdeCe9ROfHEwGD6Pa5p1B9e7kkut9dN7d5ugY4FA7pL8\/vlXReWs0JdcXwGIFkOQVYMX10HljOO7yjXUwJtxtTLwzHjQQigDE6xVn8WtmNvJC3U3hlqF0071eg7Ze3rAizZG2zbgmLLwvWGH5D158EPtkXUv2llgsjQq4++z2z\/ALqiz3fWORZn572nEsFL+UDvFDWxSL5LXaRgGH\/oj1fCpaQSyrbZ0osaczWClOXgAjAYBE1J\/q3iGjxMffaOEXg11ZGUrk6H\/xvJmWS6KfZTM9ylSicvFwyMehS4gzq3kJdZPJZ5TClRUBMoPnuOEdw==\" rel=\"noopener noreferrer\" target=\"_blank\">\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\n<span>\u5728 VPasCode \u4e2d\u7de8\u8f2f Mermaid<\/span>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Mermaid<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#mermaid:eNpzNnHOzytJrSjh5VJQKMksyUlVUHrRvurFiqYXnZue7l35fPuK54v2PJ\/V8rR1xfMJzc\/mbXu2vPvpnA1P50xTAmkB4eDK4pLUXI2c1PTE5Mr4xIJMHaAZHV3POzterOh4sWn3swU7nu5vVgKJzpz6fEIb0PCX0zY+39XzbM78xw1NSppIhuTmp6QW5cUX5BeVJOYAdTxdt+hZx7anLQ0vFq54Nnf\/09alT\/sXg4x63r\/vye7FT3umAd32ZO\/+51NWvGhofb5t08sFjc9WLXqxbNrTPVOfTe6Dmw\/CqqoKz2dveda3FOI3iD9BEqEFKYklqa45qbmpeSXBJZU5qai+UU6xNDU2SQPZq5wGBmBmsqWxgVEyxHwsRqD7Rdk0OcnCNBndFJPkxFQToCkAKP6zow==\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Mermaid in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-mermaid\"><code class=\"language-mermaid\" data-language=\"mermaid\" class=\"language-mermaid\">C4Context\r\n  title \"\u81ea\u8a02\u8272\u5f69\u7de8\u78bc\u7684\u5168\u7403\u67b6\u69cb\u5730\u5716\"\r\n  \r\n  System(legacy_api, \"\u820a\u7248\u8a08\u8cbb\u6838\u5fc3\", \"\u8655\u7406\u8a02\u95b1\u7e8c\u671f\u3002\")\r\n  System(modern_portal, \"\u5ba2\u6236\u5100\u8868\u677f\u5165\u53e3\", \"\u73fe\u4ee3\u5316\u7684\u4f7f\u7528\u8005\u7db2\u9801\u6aa2\u8996\u5f15\u64ce\u3002\")\r\n  \r\n  %% \u76f4\u63a5\u8272\u5f69\u81ea\u8a02\r\n  UpdateElementStyle(legacy_api, \"#d9534f\", \"#ffffff\", \"#c9302c\")\r\n  UpdateElementStyle(modern_portal, \"#5cb85c\", \"#ffffff\", \"#4cae4c\")<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#mermaid:eNpzNnHOzytJrSjh5VJQKMksyUlVUHrRvurFiqYXnZue7l35fPuK54v2PJ\/V8rR1xfMJzc\/mbXu2vPvpnA1P50xTAmkB4eDK4pLUXI2c1PTE5Mr4xIJMHaAZHV3POzterOh4sWn3swU7nu5vVgKJzpz6fEIb0PCX0zY+39XzbM78xw1NSppIhuTmp6QW5cUX5BeVJOYAdTxdt+hZx7anLQ0vFq54Nnf\/09alT\/sXg4x63r\/vye7FT3umAd32ZO\/+51NWvGhofb5t08sFjc9WLXqxbNrTPVOfTe6Dmw\/CqqoKz2dveda3FOI3iD9BEqEFKYklqa45qbmpeSXBJZU5qai+UU6xNDU2SQPZq5wGBmBmsqWxgVEyxHwsRqD7Rdk0OcnCNBndFJPkxFQToCkAKP6zow==\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Mermaid in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n             <\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#mermaid:eNptj1FLw0AMx98Fv0NoGShMEdeCe9ROfHEwGD6Pa5p1B9e7kkut9dN7d5ugY4FA7pL8\/vlXReWs0JdcXwGIFkOQVYMX10HljOO7yjXUwJtxtTLwzHjQQigDE6xVn8WtmNvJC3U3hlqF0071eg7Ze3rAizZG2zbgmLLwvWGH5D158EPtkXUv2llgsjQq4++z2z\/ALqiz3fWORZn572nEsFL+UDvFDWxSL5LXaRgGH\/oj1fCpaQSyrbZ0osaczWClOXgAjAYBE1J\/q3iGjxMffaOEXg11ZGUrk6H\/xvJmWS6KfZTM9ylSicvFwyMehS4gzq3kJdZPJZ5TClRUBMoPnuOEdw==\" rel=\"noopener noreferrer\" target=\"_blank\">\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\n<span>\u5728 VPasCode \u4e2d\u7de8\u8f2f Mermaid<\/span>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"dwmLoBg\"><img alt=\"\" class=\"alignnone size-full wp-image-982\" decoding=\"async\" height=\"438\" sizes=\"(max-width: 877px) 100vw, 877px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a4df388473d4.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a4df388473d4.png 877w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a4df388473d4-300x150.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a4df388473d4-768x384.png 768w\" width=\"877\"\/><\/p>\n<hr \/>\n<h2>\u73fe\u5be6\u4e16\u754c\u85cd\u5716\uff1a\u4f01\u696d\u96fb\u5546\u7cfb\u7d71\u908a\u754c\u5bb9\u5668\u5730\u5716<\/h2>\n<p>\u6b64\u5168\u9762\u4e14\u591a\u5c64\u7d1a\u7684\u5bb9\u5668\u85cd\u5716\u8ffd\u8e64\u7dda\u4e0a\u96fb\u5546\u751f\u614b\u7cfb\u3002\u5b83\u4f7f\u7528\u4e00\u500b<code>System_Boundary<\/code> \u7bc4\u570d\u5bb9\u5668\u4f86\u9694\u96e2\u5167\u90e8\u6838\u5fc3\u4f3a\u670d\u5668\uff0c\u4e26\u900f\u904e<code>System_Ext<\/code>\uff0c\u5c07\u5167\u90e8\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u5132\u5b58\u7a7a\u9593\u8207\u5916\u90e8\u8ffd\u8e64\u5fae\u670d\u52d9\u4e26\u5217\u6620\u5c04\uff0c\u4e26\u4f7f\u7528\u660e\u78ba\u7684\u6280\u8853\u5806\u758a\u53c3\u6578\u9396\u5b9a\u901a\u8a0a\u7ba1\u9053\u3002<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Mermaid<\/span>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#mermaid: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\" rel=\"noopener noreferrer\" target=\"_blank\">\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\n<span>\u5728 VPasCode \u4e2d\u7de8\u8f2f Mermaid<\/span>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Mermaid<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#mermaid:eNptk11PGkEUhu+b+B82JCaYmHLTP1A\/ktYYS4F7gsuotLJLdtcqaZqAsiIiH60FAbHRtNi1ClpR+RDkx3TPzO6\/6IxrkVjuZmdz3uc97zkz+WJSFBRfQEDSyDOOUwLKMuJseieKK1VyVTL3b6GahdwmJIvQqkPmgpRiUGtBUTP2UlDO20aesTonkmRRsPMrsiIGkTTO2UijpDe3jXqHJE6MiGpjV5GMcdwl+zVzJ2YeqvSgN4\/hIs7kd6OwfQhqBdQbnGvq3dRD5e32n8i6bYwx3GFZQUHv9JpiD\/nCQSQo3kWfglZ9YartVqRACHEvna85XE5Rt\/fAszO9mcD5lt47Il81SB3pvQOz9Avap8ZW3CjmSHYTOjm8m36ADGAmxBXB75PCdsSLQdoSj7wyL4YQlR0MBR82obdBzmNQTtnGuI9MgeP6mdoXJHpEgt\/rC4VoKSRS5PQcxxPUDtGS0Mkwn3NoTXn+Th7nXMjHK+wGZ7L63b55UMZq0qjHcTtLo7IM690eLaaR9hPC5Q3j5Hc\/p0E8v4T49+KK4pWR9CHAM\/fkOgvNOtzVHnOaE\/3onj+9FpKQLLM7C9ZnQKOid8v4OkpdMyvaFqntEU01j1LDwFPzdlHyI8nrn2da2jrka6TZpWDWTb5IJ8AgTlFWFiXkfjvLviB2CdUCrjYgc6m3f+DCLi6kydUFnRXUEqBqDwpagS5Qn\/rJGtvoKIe\/3eCfSb39BZI5o3EOd5\/ZDxdaHtjLJ\/OwwmTwVx6P0+2wVpRut6VNa71T4qrwZIxDUjUjGTOaZkIz7jdzDte028OW0ZL5J+UKLC4pQ2YyEBV9DlbrJBmhs8c7Ub2lwk4e5ztMnCblmJmamOTMyHecrjy6nEULw5T\/fyiPHVuZcp5Zt+O+ecvvX3\/6+bs=\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Mermaid in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-mermaid\"><code class=\"language-mermaid\" data-language=\"mermaid\" class=\"language-mermaid\">C4Container\r\n  title \"\u4f01\u696d\u7d1a\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u7684\u5bb9\u5668\u85cd\u5716\"\r\n\r\n  Person(customer, \"\u7dda\u4e0a\u8cfc\u7269\u8005\", \"\u700f\u89bd\u76ee\u9304\u9805\u76ee\u4e26\u5c07\u5546\u54c1\u52a0\u5165\u5176\u6578\u4f4d\u8cfc\u7269\u8eca\u3002\")\r\n  System_Ext(payment_gateway, \"Stripe API \u670d\u52d9\", \"\u7b2c\u4e09\u65b9\u4fe1\u7528\u5361\u4fdd\u96aa\u5eab\u8207\u8655\u7406\u5f15\u64ce\u3002\")\r\n\r\n  System_Boundary(ecommerce_scope, \"\u96fb\u5b50\u5546\u52d9\u6838\u5fc3\u7bc4\u570d\") {\r\n    Container(frontend_app, \"\u524d\u7aef\u61c9\u7528\u7a0b\u5f0f\", \"Next.js, React\", \"\u63d0\u4f9b\u975c\u614b\u8cc7\u6e90\u4e26\u8655\u7406\u4f7f\u7528\u8005\u8cfc\u7269\u8eca\u6703\u8a71\u3002\")\r\n    Container(checkout_service, \"\u7d50\u5e33\u5fae\u670d\u52d9\", \"Node.js, Express\", \"\u8655\u7406\u8cfc\u7269\u8eca\u5de5\u4f5c\u6d41\u7a0b\u4e26\u8a08\u7b97\u7a05\u984d\u3002\")\r\n    ContainerDb(order_db, \"\u8a02\u55ae\u7e3d\u5e33\u8cc7\u6599\u5eab\", \"PostgreSQL\", \"\u5132\u5b58\u6b77\u53f2\u4ea4\u6613\u660e\u7d30\u8207\u5b89\u5168\u7e3d\u5e33\u8a18\u9304\u3002\")\r\n  }\r\n\r\n  %% \u67b6\u69cb\u4e92\u52d5\u8def\u5f91\r\n  Rel(customer, frontend_app, \"\u4f7f\u7528\", \"HTTPS\/\u700f\u89bd\u5668\")\r\n  Rel_Down(frontend_app, checkout_service, \"\u900f\u904e\", \"JSON\/REST API\")\r\n  \r\n  Rel_Right(checkout_service, order_db, \"\u5c07\u4ea4\u6613\u72c0\u614b\u6301\u4e45\u5316\u65bc\", \"SQL\/JDBC \u9023\u63a5\")\r\n  Rel_Left(checkout_service, payment_gateway, \"\u4f7f\u7528\", \"\u5b89\u5168 TLS\/HTTPS API\")<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#mermaid: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Mermaid in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n             <\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#mermaid: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\" rel=\"noopener noreferrer\" target=\"_blank\">\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\n<span>\u5728 VPasCode \u4e2d\u7de8\u8f2f Mermaid<\/span>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"iepSRLk\"><img alt=\"\" class=\"alignnone size-full wp-image-983\" decoding=\"async\" height=\"863\" sizes=\"(max-width: 1746px) 100vw, 1746px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a4df3944f3b6.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a4df3944f3b6.png 1746w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a4df3944f3b6-300x148.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a4df3944f3b6-1024x506.png 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a4df3944f3b6-768x380.png 768w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a4df3944f3b6-1536x759.png 1536w\" width=\"1746\"\/><\/p>\n<hr \/>\n<h2>\u5e38\u898b\u8a9e\u6cd5\u9677\u9631\u8207\u7cfb\u7d71\u9650\u5236<\/h2>\n<p>\u5728\u70ba\u8edf\u9ad4\u6846\u67b6\u7de8\u8b6f\u4e7e\u6de8\u7684 C4 \u5716\u6642\uff0c\u8acb\u7559\u610f\u9019\u4e9b\u57f7\u884c\u53c3\u6578\uff0c\u4ee5\u907f\u514d\u5716\u8868\u5d29\u6f70\uff1a<\/p>\n<ul>\n<li><strong>\u9017\u865f\u5206\u9694\u683c\u5f0f\uff1a<\/strong> \u8207\u5e7e\u4e4e\u6240\u6709\u5176\u4ed6 Mermaid \u6a21\u5f0f\u4e0d\u540c\uff0cC4 \u5b8f\u8981\u6c42\u53c3\u6578\u4e4b\u9593\u5fc5\u9808\u4f7f\u7528\u56b4\u683c\u7684\u9017\u865f\uff1a<code>Person(id, \"\u6a19\u7c64\", \"\u63cf\u8ff0\")<\/code>\u3002\u907a\u6f0f\u5206\u9694\u9017\u865f\u5c07\u5c0e\u81f4\u4f48\u5c40\u5efa\u69cb\u5668\u5b8c\u5168\u5d29\u6f70\u3002<\/li>\n<li><strong>\u4fdd\u7559\u7684\u6a19\u7c64\u5f15\u865f\uff1a<\/strong> \u5b8f\u5167\u7684\u986f\u793a\u6b04\u4f4d\u3001\u6280\u8853\u6a19\u7c64\u8207\u63cf\u8ff0\u5340\u584a *\u5fc5\u9808* \u4f7f\u7528\u660e\u78ba\u7684\u96d9\u5f15\u865f\u5305\u8986\u3002\u82e5\u672a\u4f7f\u7528\u5f15\u865f\u5305\u8986\u76f4\u63a5\u63d2\u5165\u539f\u59cb\u6587\u5b57\uff0c\u5c07\u5f15\u767c\u5c0e\u81f4\u89e3\u6790\u4e2d\u65b7\u7684\u932f\u8aa4\u3002<\/li>\n<li><strong>\u908a\u754c\u5d4c\u5957\u9806\u5e8f\uff1a<\/strong> \u7576\u5c07\u5143\u7d20\u5305\u8986\u65bc <code>System_Boundary<\/code> \u6216 <code>Enterprise_Boundary<\/code> \u5340\u584a\u4e2d\u6642\uff0c\u60a8\u5fc5\u9808\u4f7f\u7528\u6a19\u6e96\u7684\u5927\u62ec\u865f\u660e\u78ba\u6e05\u9664\u5176\u5de5\u4f5c\u5340\u5167\u5bb9<code>{ }<\/code>\u3002\u82e5\u907a\u7559\u908a\u754c\u62ec\u865f\u672a\u95dc\u9589\u6216\u914d\u5c0d\u932f\u8aa4\uff0c\u5c07\u5c0e\u81f4\u6e32\u67d3\u4f48\u5c40\u4e2d\u65b7\u3002<\/li>\n<li><strong>\u52d5\u614b\u5225\u540d\u5be6\u4f8b\u5316\uff1a<\/strong> \u60a8\u7121\u6cd5\u7e6a\u88fd\u95dc\u4fc2\uff08<code>Rel<\/code>\uff09\u81f3\u4e00\u500b\u672a\u7531\u5176\u4e0a\u65b9\u7684\u5143\u7d20\u5b8f\u5340\u584a\u660e\u78ba\u521d\u59cb\u5316\u7684\u5225\u540d\u8b58\u5225\u7b26\u3002\u8acb\u78ba\u4fdd\u60a8\u7684\u5ba3\u544a\u6d41\u7a0b\u5f9e\u4e0a\u81f3\u4e0b\u9806\u5e8f\u9032\u884c\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"C4 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