{"id":2205,"date":"2026-08-22T07:19:42","date_gmt":"2026-08-22T07:19:42","guid":{"rendered":"https:\/\/www.vpascode.com\/cn\/mastering-architecture-visuals-how-to-build-a-c4-system-context-diagram-in-plantuml\/"},"modified":"2026-08-22T07:19:42","modified_gmt":"2026-08-22T07:19:42","slug":"mastering-architecture-visuals-how-to-build-a-c4-system-context-diagram-in-plantuml","status":"publish","type":"post","link":"https:\/\/www.vpascode.com\/cn\/mastering-architecture-visuals-how-to-build-a-c4-system-context-diagram-in-plantuml\/","title":{"rendered":"\u638c\u63e1\u67b6\u6784\u53ef\u89c6\u5316\uff1a\u5982\u4f55\u5728 PlantUML \u4e2d\u6784\u5efa C4 \u7cfb\u7edf\u4e0a\u4e0b\u6587\u56fe"},"content":{"rendered":"<p class=\"lead\">\u5728\u8bbe\u8ba1\u8f6f\u4ef6\u7cfb\u7edf\u65f6\uff0c\u5411\u6280\u672f\u5229\u76ca\u76f8\u5173\u8005\u548c\u975e\u6280\u672f\u5229\u76ca\u76f8\u5173\u8005\u6e05\u6670\u5730\u4f20\u8fbe\u9ad8\u5c42\u8fb9\u754c\u81f3\u5173\u91cd\u8981\u3002\u5728\u672c\u5927\u5e08\u73ed\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u9010\u6b65\u6f14\u793a\u5982\u4f55\u5728\u514d\u8d39\u7684 <a href=\"https:\/\/vpascode.com\/editor\">VPasCode<\/a>\u7f16\u8f91\u5668\u4e2d\u4ece\u96f6\u5f00\u59cb\u6784\u5efa\u4e13\u4e1a\u7684 C4 \u7cfb\u7edf\u4e0a\u4e0b\u6587\u56fe\u3002<\/p>\n<p id=\"ZzKEiQY\"><img fetchpriority=\"high\" alt=\"\" class=\"alignnone size-full wp-image-2795\" decoding=\"async\" fetchpriority=\"high\" height=\"775\" sizes=\"(max-width: 526px) 100vw, 526px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a841bbd95ba8.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a841bbd95ba8.png 526w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a841bbd95ba8-204x300.png 204w\" width=\"526\"\/><\/p>\n<section>\n<h2>\u4e3a\u4ec0\u4e48\u4e3a C4 \u6a21\u578b\u91c7\u7528\u201c\u56fe\u8868\u5373\u4ee3\u7801\u201d\u65b9\u6cd5\uff1f<\/h2>\n<p>\u4f20\u7edf\u7684\u62d6\u653e\u7ed8\u56fe\u5de5\u5177\u5f80\u5f80\u4f1a\u5bfc\u81f4\u6846\u7ebf\u9519\u4f4d\u3001\u6837\u5f0f\u4e0d\u4e00\u81f4\uff0c\u5e76\u4e14\u5728\u67b6\u6784\u6f14\u8fdb\u65f6\u9700\u8981\u8fdb\u884c\u7e41\u7410\u7684\u624b\u52a8\u66f4\u65b0\u3002\u901a\u8fc7\u5229\u7528 <a href=\"https:\/\/www.visual-paradigm.com\/features\/diagram-as-code-tool\/\">\u56fe\u8868\u5373\u4ee3\u7801\u5de5\u5177<\/a>\uff08\u4f8b\u5982\u514d\u8d39\u7684 PlantUML \u7f16\u8f91\u5668\uff09\uff0c\u60a8\u7684\u6587\u6863\u5c06\u59cb\u7ec8\u4e0e\u4ee3\u7801\u4fdd\u6301\u540c\u6b65\u3001\u652f\u6301\u7248\u672c\u63a7\u5236\u4e14\u6574\u6d01\u6e05\u6670\u3002\u4f7f\u7528 <a href=\"https:\/\/vpascode.com\/editor\">VPasCode<\/a>\uff0c\u60a8\u53ef\u4ee5\u83b7\u5f97\u5b9e\u65f6\u6e32\u67d3\u548c\u81ea\u52a8\u683c\u5f0f\u68c0\u6d4b\u529f\u80fd\uff0c\u4f7f\u8f6f\u4ef6\u67b6\u6784\u7684\u53ef\u89c6\u5316\u53d8\u5f97\u8f7b\u677e\u81ea\u5982\u3002<\/p>\n<\/section>\n<section>\n<h2>\u5927\u5e08\u73ed\u6848\u4f8b\u7814\u7a76\uff1a\u5728\u7ebf\u6742\u8d27\u5e97\u67b6\u6784<\/h2>\n<p>\u4e3a\u4e86\u5c55\u793a\u5982\u4f55\u6784\u5efa\u4e00\u4e2a\u5065\u58ee\u7684\u7cfb\u7edf\u4e0a\u4e0b\u6587\u56fe\uff0c\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u5728\u7ebf\u6742\u8d27\u5e97\u5e73\u53f0\u3002\u8be5\u67b6\u6784\u9700\u8981\u6db5\u76d6\u6700\u7ec8\u7528\u6237\u3001\u5916\u90e8\u914d\u9001\u53f8\u673a\u3001\u6838\u5fc3\u6742\u8d27\u7cfb\u7edf\u4ee5\u53ca\u7b2c\u4e09\u65b9\u670d\u52a1\uff08\u5982\u652f\u4ed8\u7f51\u5173\u548c\u7269\u6d41\u63d0\u4f9b\u5546\uff09\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u6211\u4eec\u5c06\u9010\u6b65\u5206\u89e3\u7684\u5b8c\u6574 PlantUML \u6e90\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"language-plantuml\">@startuml\n!include https:\/\/raw.githubusercontent.com\/plantuml-stdlib\/C4-PlantUML\/master\/C4_Context.puml\nskinparam vpDiagramType C4modelSystemContextDiagram\n\nLAYOUT_TOP_DOWN()\nLAYOUT_WITH_LEGEND()\n\ntitle \u5728\u7ebf\u6742\u8d27\u5e97\u7cfb\u7edf\u4e0a\u4e0b\u6587\u56fe\n\nPerson(customer, \"\u5ba2\u6237\", \"\u6d4f\u89c8\u5546\u5e97\u3001\u8ba2\u8d2d\u6742\u8d27\u5e76\u5b89\u6392\u914d\u9001\")\nPerson_Ext(driver, \"\u914d\u9001\u53f8\u673a\", \"\u5411\u5ba2\u6237\u914d\u9001\u8ba2\u5355\")\n\nEnterprise_Boundary(grocery_co, \"\u5728\u7ebf\u6742\u8d27\u5e97\") {\n  System(grocery_system, \"\u5728\u7ebf\u6742\u8d27\u5e97\u7cfb\u7edf\", \"\u5141\u8bb8\u5ba2\u6237\u5728\u7ebf\u8ba2\u8d2d\u6742\u8d27\u5e76\u7ba1\u7406\u5c65\u7ea6\")\n}\n\nSystem_Ext(payment, \"\u652f\u4ed8\u7f51\u5173\", \"\u5904\u7406\u94f6\u884c\u5361\u548c\u6570\u5b57\u94b1\u5305\u652f\u4ed8\")\nSystem_Ext(shipping, \"\u7269\u6d41\u63d0\u4f9b\u5546\", \"\u89c4\u5212\u914d\u9001\u8def\u7ebf\u5e76\u5b89\u6392\u53f8\u673a)\n\nRel(customer, grocery_system, \"\u6d4f\u89c8\u5546\u54c1\u5e76\u4e0b\u5355\", \"HTTPS\")\nRel(grocery_system, payment, \"\u901a\u8fc7\", \"HTTPS\/API\" \u5904\u7406\u652f\u4ed8)\nRel(grocery_system, shipping, \"\u901a\u8fc7\", \"HTTPS\/API\" \u521b\u5efa\u914d\u9001\u4efb\u52a1)\nRel(driver, grocery_system, \"\u67e5\u770b\u914d\u9001\u4efb\u52a1\", \"HTTPS\")\n\n@enduml<\/code><\/pre>\n<\/section>\n<section>\n<h2>\u4ee3\u7801\u9010\u6b65\u8be6\u89e3<\/h2>\n<h3>1. \u8bbe\u7f6e\u57fa\u7840\u73af\u5883<\/h3>\n<p>\u6211\u9996\u5148\u4f7f\u7528\u6807\u51c6\u7684 PlantUML \u6807\u7b7e\u521d\u59cb\u5316\u811a\u672c\uff0c\u5e76\u5bfc\u5165\u5b98\u65b9\u7684 C4-PlantUML \u6807\u51c6\u5e93\u5b8f\u3002\u901a\u8fc7\u5f15\u7528 <code>C4_Context.puml<\/code>\uff0c\u6211\u4eec\u89e3\u9501\u4e86\u4e13\u4e3a\u7cfb\u7edf\u4e0a\u4e0b\u6587\u56fe\u8bbe\u8ba1\u7684\u8bed\u4e49\u5143\u7d20\u3002<\/p>\n<ul>\n<li><strong>\u5e93\u5305\u542b\uff1a<\/strong> <code>!include ...\/C4_Context.puml<\/code>\u52a0\u8f7d\u4e86\u7528\u4e8e\u4eba\u5458\u3001\u7cfb\u7edf\u548c\u8fb9\u754c\u7684\u6807\u51c6\u5f62\u72b6\u3001\u989c\u8272\u548c\u6837\u5f0f\u89c4\u5219\u3002<\/li>\n<li><strong>\u56fe\u8868\u7c7b\u578b\u4e0e\u5e03\u5c40\uff1a<\/strong>\u8bbe\u7f6e <code>skinparam vpDiagramType C4modelSystemContextDiagram<\/code>\u53ef\u786e\u4fdd\u5728 <a href=\"https:\/\/vpascode.com\/editor\">VPasCode<\/a>\u4e2d\u6b63\u786e\u96c6\u6210\uff0c\u800c <code>LAYOUT_TOP_DOWN()<\/code>\u5c06\u89c6\u89c9\u5c42\u6b21\u7ed3\u6784\u4ece\u9876\u90e8\u5230\u5e95\u90e8\u6e05\u6670\u5730\u7ec4\u7ec7\u8d77\u6765\u3002\u6211\u8fd8\u542f\u7528\u4e86 <code>LAYOUT_WITH_LEGEND()<\/code>\u4ee5\u5728\u753b\u5e03\u53f3\u4e0b\u89d2\u81ea\u52a8\u751f\u6210\u4e00\u4efd\u6709\u7528\u7684\u53c2\u8003\u6307\u5357\u3002<\/li>\n<\/ul>\n<h3>2. \u5b9a\u4e49\u53c2\u4e0e\u8005\u548c\u7528\u6237<\/h3>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u9700\u8981\u5b9a\u4e49\u4e0e\u6211\u4eec\u7684\u751f\u6001\u7cfb\u7edf\u4ea4\u4e92\u7684\u4eba\u7c7b\u53c2\u4e0e\u8005\u3002\u6211\u4f7f\u7528\u7279\u5b9a\u7684 C4 \u5b8f\u6765\u533a\u5206\u6807\u51c6\u7cfb\u7edf\u7528\u6237\u548c\u5916\u90e8\u5b9e\u4f53\uff1a<\/p>\n<ul>\n<li><strong>\u6838\u5fc3\u7528\u6237\uff1a<\/strong>\u6211\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u521b\u5efa\u4e3b\u8981\u7528\u6237\uff1a<code>Person(customer, \"Customer\", ...)<\/code>\u8be5\u7528\u6237\u8d1f\u8d23\u53d1\u8d77\u8ba2\u5355\u5e76\u6d4f\u89c8\u5e93\u5b58\u3002<\/li>\n<li><strong>\u5916\u90e8\u53c2\u4e0e\u8005\uff1a<\/strong>\u6211\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u5b9a\u4e49\u914d\u9001\u53f8\u673a\uff1a<code>Person_Ext(driver, \"Delivery Driver\", ...)<\/code>\u4ee5\u5f3a\u8c03\u5c3d\u7ba1\u4ed6\u4eec\u4e0e\u6211\u4eec\u7684\u5c65\u7ea6\u6d41\u7a0b\u8fdb\u884c\u4ea4\u4e92\uff0c\u4f46\u4ed6\u4eec\u4f4d\u4e8e\u6211\u4eec\u6838\u5fc3\u5185\u90e8\u5b89\u5168\u8fb9\u754c\u4e4b\u5916\u3002<\/li>\n<\/ul>\n<h3>3. \u5efa\u7acb\u7ec4\u7ec7\u8fb9\u754c\u548c\u6838\u5fc3\u7cfb\u7edf<\/h3>\n<p>\u67b6\u6784\u6e05\u6670\u5ea6\u9700\u8981\u660e\u786e\u7684\u8fb9\u754c\u3002\u4e3a\u4e86\u533a\u5206\u516c\u53f8\u81ea\u6709\u90e8\u5206\u4e0e\u4f9d\u8d56\u5916\u90e8\u4f9b\u5e94\u5546\u7684\u90e8\u5206\uff0c\u6211\u5efa\u7acb\u4e86\u4e00\u4e2a\u4f01\u4e1a\u8fb9\u754c\uff1a<\/p>\n<ul>\n<li><strong>\u4f01\u4e1a\u8fb9\u754c\uff1a<\/strong>\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<code>Enterprise_Boundary(grocery_co, \"Online Grocery Store\")<\/code>\u4f1a\u521b\u5efa\u4e00\u4e2a\u865a\u7ebf\u5bb9\u5668\u6846\uff0c\u5728\u89c6\u89c9\u4e0a\u5bf9\u5185\u90e8\u57fa\u7840\u8bbe\u65bd\u8fdb\u884c\u5206\u7ec4\u3002<\/li>\n<li><strong>\u5185\u90e8\u7cfb\u7edf\uff1a<\/strong>\u5728\u6b64\u8fb9\u754c\u5185\uff0c\u6211\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u653e\u7f6e\u6211\u4eec\u7684\u4e3b\u8981\u8f6f\u4ef6\u8d44\u4ea7\uff1a<code>System(grocery_system, \"Online Grocery Store System\", ...)<\/code>.<\/li>\n<\/ul>\n<h3>4. \u96c6\u6210\u5916\u90e8\u7cfb\u7edf<\/h3>\n<p>\u6ca1\u6709\u73b0\u4ee3\u7535\u5b50\u5546\u52a1\u5e73\u53f0\u662f\u5b64\u7acb\u8fd0\u884c\u7684\u3002\u6211\u4f7f\u7528\u4e13\u95e8\u7684\u5916\u90e8\u7cfb\u7edf\u5b8f\u5728\u4f01\u4e1a\u8fb9\u754c\u4e4b\u5916\u5b9a\u4e49\u5916\u90e8\u4f9d\u8d56\u9879\uff1a<\/p>\n<ul>\n<li><strong>\u652f\u4ed8\u5904\u7406\uff1a<\/strong> <code>System_Ext(payment, \"Payment Gateway\", ...)<\/code>\u4ee3\u8868\u7b2c\u4e09\u65b9\u91d1\u878d\u4ea4\u6613\u3002<\/li>\n<li><strong>\u7269\u6d41\u4e0e\u8fd0\u8f93\uff1a<\/strong> <code>System_Ext(shipping, \"Logistics Provider\", ...)<\/code>\u8d1f\u8d23\u8def\u7ebf\u89c4\u5212\u548c\u53f8\u673a\u5206\u914d\u3002<\/li>\n<\/ul>\n<h3>5. \u6620\u5c04\u5173\u7cfb\u4e0e\u534f\u8bae<\/h3>\n<p>\u4e3a\u4e86\u5c06\u67b6\u6784\u6574\u5408\u5728\u4e00\u8d77\uff0c\u6211\u4f7f\u7528\u4ee5\u4e0b<code>Rel()<\/code>\u5b8f\u6765\u6620\u5c04\u65b9\u5411\u6027\u4ea4\u4e92\u548c\u901a\u4fe1\u534f\u8bae\uff1a<\/p>\n<ul>\n<li><strong>\u5ba2\u6237\u6d41\u7a0b\uff1a<\/strong> <code>Rel(customer, grocery_system, \"\u6d4f\u89c8\u5546\u54c1\u5e76\u4e0b\u5355\", \"HTTPS\")<\/code>\u5c55\u793a\u4e86\u7528\u6237\u5982\u4f55\u5b89\u5168\u5730\u8fde\u63a5\u5230\u6838\u5fc3\u5e73\u53f0\u3002<\/li>\n<li><strong>\u540e\u7aef\u96c6\u6210\uff1a<\/strong>\u6211\u5c06\u540e\u7aef\u4f9d\u8d56\u9879\uff08\u5982\u652f\u4ed8\u5904\u7406\u548c\u7269\u6d41\u63d0\u4f9b\u5546\uff09\u6620\u5c04\u4e3a\u5e26\u6709\u660e\u786e\u534f\u8bae\u6807\u7b7e\u7684\uff08<code>\"HTTPS\/API\"<\/code>)\uff0c\u4ee5\u4fbf\u4e3a\u5de5\u7a0b\u5e08\u63d0\u4f9b\u5373\u65f6\u7684\u6280\u672f\u4e0a\u4e0b\u6587\u3002<\/li>\n<\/ul>\n<\/section>\n<section>\n<h2>\u7ed3\u8bba\u4e0e\u52a8\u624b\u5b9e\u8df5<\/h2>\n<p>\u6784\u5efa\u6e05\u6670\u7684\u8f6f\u4ef6\u67b6\u6784\u56fe\u65e0\u9700\u7e41\u7410\u7684\u684c\u9762\u5de5\u5177\u6216\u590d\u6742\u7684\u6587\u4ef6\u914d\u7f6e\u3002\u901a\u8fc7\u7ed3\u5408 PlantUML \u5f3a\u5927\u7684 C4 \u8bed\u6cd5\u4e0e<a href=\"https:\/\/vpascode.com\/\">VPasCode<\/a>\uff0c\u60a8\u53ef\u4ee5\u5728\u51e0\u79d2\u949f\u5185\u7f16\u5199\u3001\u6e32\u67d3\u548c\u5171\u4eab\u67b6\u6784\u56fe\u3002<\/p>\n<p id=\"jnVfaiv\"><img alt=\"A screenshot of Visual Paradigm VPasCode showing the creation of a C4 System Context Diagram\" class=\"alignnone wp-image-2794 size-full\" decoding=\"async\" height=\"788\" sizes=\"(max-width: 1400px) 100vw, 1400px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a841bb75a583.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a841bb75a583.png 1400w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a841bb75a583-300x169.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a841bb75a583-1024x576.png 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a841bb75a583-768x432.png 768w\" width=\"1400\"\/><\/p>\n<p>\u51c6\u5907\u597d\u5c1d\u8bd5\u6784\u5efa\u81ea\u5df1\u7684\u7cfb\u7edf\u67b6\u6784\u4e86\u5417\uff1f\u8bf7\u524d\u5f80<a href=\"https:\/\/vpascode.com\/editor\">\u514d\u8d39\u7684 VPasCode \u5728\u7ebf\u7f16\u8f91\u5668<\/a>\uff0c\u7c98\u8d34\u6b64\u4ee3\u7801\u7247\u6bb5\uff0c\u5373\u53ef\u5b9e\u65f6\u67e5\u770b\u60a8\u7684\u67b6\u6784\u56fe\u6e32\u67d3\u6548\u679c\uff01<\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"\u5728\u8bbe\u8ba1\u8f6f\u4ef6\u7cfb\u7edf\u65f6\uff0c\u5411\u6280\u672f\u5229\u76ca\u76f8\u5173\u8005\u548c\u975e\u6280\u672f\u5229\u76ca\u76f8\u5173\u8005\u6e05\u6670\u5730\u4f20\u8fbe\u9ad8\u5c42\u8fb9\u754c\u81f3\u5173\u91cd\u8981\u3002&#8230;","protected":false},"author":4,"featured_media":2206,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"Build C4 System Context Diagrams with PlantUML | VPasCode","_yoast_wpseo_metadesc":"Learn how to design a C4 System Context diagram for an online grocery store using PlantUML and VPasCode. 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