{"id":11427,"date":"2026-08-03T15:17:00","date_gmt":"2026-08-03T07:17:00","guid":{"rendered":"https:\/\/www.cybermedian.com\/cn\/use-case-driven-approach-guide\/"},"modified":"2026-09-03T22:38:39","modified_gmt":"2026-09-03T14:38:39","slug":"use-case-driven-approach-guide","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/cn\/use-case-driven-approach-guide\/","title":{"rendered":"\u638c\u63e1\u7528\u4f8b\u9a71\u52a8\u65b9\u6cd5\uff1a\u9700\u6c42\u4e0e\u8bbe\u8ba1\u5168\u9762\u6307\u5357"},"content":{"rendered":"<div>\n<div>\n<div>\n<div>\n<div>\n<h2>\u5f15\u8a00<\/h2>\n<p>\u5728\u8f6f\u4ef6\u5de5\u7a0b\u4e2d\uff0c\u5f25\u5408\u5e72\u7cfb\u4eba\u9700\u6c42\u4e0e\u6280\u672f\u5b9e\u73b0\u4e4b\u95f4\u7684\u5dee\u8ddd\u5f80\u5f80\u662f\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u6700\u5177\u6311\u6218\u6027\u7684\u9636\u6bb5\u3002<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\"><strong>\u7528\u4f8b\u9a71\u52a8\u65b9\u6cd5<\/strong>\u00a0<\/a>\u63d0\u4f9b\u4e86\u4e00\u79cd\u7ed3\u6784\u5316\u3001\u8fed\u4ee3\u7684\u65b9\u6cd5\u8bba\u6765\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\u3002\u8be5\u65b9\u6cd5\u901a\u8fc7\u805a\u7126\u4e8e<em>\u7528\u6237\u5982\u4f55\u4e0e\u7cfb\u7edf\u4ea4\u4e92<\/em>\u4ee5\u5b9e\u73b0\u7279\u5b9a\u76ee\u6807\uff0c\u786e\u4fdd\u9700\u6c42\u6e05\u6670\u3001\u53ef\u6d4b\u8bd5\uff0c\u5e76\u80fd\u76f4\u63a5\u8ffd\u6eaf\u81f3\u8bbe\u8ba1\u5de5\u4ef6\u3002<\/p>\n<p>\u672c\u6307\u5357\u5c06\u5168\u9762\u4ecb\u7ecd<a href=\"https:\/\/www.visual-paradigm.com\/solution\/use-case-driven-agile-approach\/\">\u7528\u4f8b\u9a71\u52a8\u65b9\u6cd5<\/a>\uff0c\u4ece\u9ad8\u5c42\u9700\u6c42\u9010\u6b65\u8fc7\u6e21\u5230\u8be6\u7ec6\u8bbe\u8ba1\u3002\u6211\u4eec\u5c06\u4f7f\u7528\u4e00\u4e2a\u8d2f\u7a7f\u59cb\u7ec8\u7684\u793a\u4f8b\u2014\u2014\u4e00\u4e2a<strong>\u5728\u7ebf\u8ba2\u5355\u7ba1\u7406\u7cfb\u7edf<\/strong>\u2014\u2014\u6765\u9610\u91ca\u6bcf\u4e2a\u9636\u6bb5\uff0c\u786e\u4fdd\u6574\u4e2a\u8fc7\u7a0b\u7684\u8fde\u8d2f\u6027\u4e0e\u6e05\u6670\u5ea6\u3002<\/p>\n<hr\/>\n<h2>\u65b9\u6cd5\u8bba\u6982\u8ff0<\/h2>\n<p>\u7528\u4f8b\u9a71\u52a8\u65b9\u6cd5\u9075\u5faa\u81ea\u7136\u7684\u81ea\u4e0a\u800c\u4e0b\u6f14\u8fdb\u8fc7\u7a0b\u3002\u6bcf\u4e2a\u9636\u6bb5\u90fd\u5bf9\u524d\u4e00\u9636\u6bb5\u8fdb\u884c\u7ec6\u5316\uff0c\u589e\u52a0\u7cbe\u786e\u5ea6\u5e76\u51cf\u5c11\u6b67\u4e49\u3002<\/p>\n<p id=\"evBQyyp\"><img alt=\"\u65b9\u6cd5\u8bba\u6982\u8ff0\uff1a\u57fa\u4e8e\u7528\u4f8b\u7684 AI + VPasCode \u65b9\u6cd5\" class=\"alignnone wp-image-19634 size-full\" decoding=\"async\" height=\"559\" loading=\"lazy\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a704033c90ce.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a704033c90ce.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a704033c90ce-300x164.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a704033c90ce-768x419.png 768w\" width=\"1024\"\/><\/p>\n<h3>\u4e3a\u4f55\u6b64\u987a\u5e8f\u81f3\u5173\u91cd\u8981\uff1f<\/h3>\n<ol>\n<li><strong><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/tutorials\/use-case-diagram-tutorial\/\">\u7528\u4f8b\u56fe<\/a>:<\/strong>\u63d0\u4f9b\u80fd\u529b\u4e0e\u8303\u56f4\u7684\u5b8c\u6574\u6e05\u5355\u3002\u5b83\u6613\u4e8e\u5feb\u901f\u6d4f\u89c8\uff0c\u975e\u5e38\u9002\u5408\u5e72\u7cfb\u4eba\u5c31<em>\u7cfb\u7edf\u505a\u4ec0\u4e48<\/em><\/li>\n<li><strong><a href=\"https:\/\/www.visual-paradigm.com\/guide\/use-case\/what-is-use-case-specification\/\">\u7528\u4f8b\u63cf\u8ff0<\/a>:<\/strong>\u901a\u8fc7\u660e\u786e\u524d\u7f6e\u6761\u4ef6\u3001\u540e\u7f6e\u6761\u4ef6\u3001\u53c2\u4e0e\u8005\u548c\u4f18\u5148\u7ea7\u6765\u6d88\u9664\u6b67\u4e49\u3002\u5b83\u5c06\u884c\u4e3a\u5951\u7ea6\u201c\u56fa\u5316\u201d\u3002<\/li>\n<li><strong><a href=\"https:\/\/www.visual-paradigm.com\/tutorials\/flowofeventeditor.jsp\">\u4e8b\u4ef6\u6d41<\/a>:<\/strong>\u5c06\u5951\u7ea6\u8f6c\u5316\u4e3a\u5177\u4f53\u3001\u53ef\u6d4b\u8bd5\u7684\u6b65\u9aa4\u3002\u8fd9\u4e3a\u6d4b\u8bd5\u7528\u4f8b\u548c\u6280\u672f\u8bbe\u8ba1\u63d0\u4f9b\u4e86\u57fa\u7840\u7d20\u6750\u3002<\/li>\n<li><strong><a href=\"https:\/\/www.visual-paradigm.com\/VPGallery\/diagrams\/Activity.html\">\u6d3b\u52a8<\/a>\/<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-sequence-diagram\/\">\u5e8f\u5217\u56fe<\/a>:<\/strong>\u5145\u5f53\u901a\u5f80\u4ee3\u7801\u7684\u6865\u6881\u3002\u5b83\u8bc6\u522b\u53c2\u4e0e\u7684\u5bf9\u8c61\u3001\u5b83\u4eec\u7684\u804c\u8d23\u3001\u6d88\u606f\u4ea4\u6362\u4ee5\u53ca\u7cbe\u786e\u7684\u5206\u652f\u89c4\u5219\u3002<\/li>\n<\/ol>\n<hr\/>\n<h2>\u9636\u6bb5 1\uff1a\u7528\u4f8b\u56fe\uff08\u9700\u6c42\uff09<\/h2>\n<p>\u7528\u4f8b\u56fe\u6355\u6349<strong>\u8c01<\/strong>\u4e0e\u7cfb\u7edf\u4ea4\u4e92\uff08<strong>\u53c2\u4e0e\u8005<\/strong>\uff09\u4ee5\u53ca<strong>\u4ec0\u4e48<\/strong>\u4ed6\u4eec\u53ef\u4ee5\u505a\u4ec0\u4e48\uff08<strong>\u7528\u4f8b<\/strong>\uff09\uff0c\u4ee5\u53ca\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n<h3>\u5173\u952e\u6982\u5ff5<\/h3>\n<ul>\n<li><strong>\u4e3b\u8981\u53c2\u4e0e\u8005\uff1a<\/strong>\u542f\u52a8\u7528\u4f8b\uff08\u4f4d\u4e8e\u5de6\u4fa7\uff09\u3002<\/li>\n<li><strong>\u6b21\u8981\u53c2\u4e0e\u8005\uff1a<\/strong>\u652f\u6301\u7cfb\u7edf\u6216\u63a5\u6536\u901a\u77e5\uff08\u4f4d\u4e8e\u53f3\u4fa7\uff09\u3002<\/li>\n<li><strong>\u7cfb\u7edf\u8fb9\u754c\uff1a<\/strong>\u5b9a\u4e49\u7cfb\u7edf\u8303\u56f4\u7684\u77e9\u5f62\u3002<\/li>\n<li><strong><code data-backticks=\"1\">&lt;&lt;\u5305\u542b&gt;&gt;<\/code>:<\/strong>\u8868\u793a\u5f3a\u5236\u6027\u7684\u5171\u4eab\u884c\u4e3a\u3002\u5982\u679c\u7528\u4f8b A \u5305\u542b\u7528\u4f8b B\uff0c\u5219 B<em>\u5fc5\u987b<\/em>\u53d1\u751f\uff0cA \u624d\u80fd\u5b8c\u6210\u3002<\/li>\n<li><strong><code data-backticks=\"1\">&lt;&lt;\u6269\u5c55&gt;&gt;<\/code>:<\/strong>\u8868\u793a\u53ef\u9009\u884c\u4e3a\u3002\u7528\u4f8b B \u4ec5\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u6269\u5c55\u7528\u4f8b A\u3002<\/li>\n<\/ul>\n<h3>\u793a\u4f8b\uff1a\u5728\u7ebf\u8ba2\u5355\u7ba1\u7406\u7cfb\u7edf<\/h3>\n<p id=\"tvaWVJN\"><img alt=\"\u5728\u7ebf\u8ba2\u5355\u7ba1\u7406\u7cfb\u7edf\u7528\u4f8b\u56fe\uff0c\u5c55\u793a\u5ba2\u6237\u4e0e\u4ed3\u5e93\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002\" class=\"alignnone size-full wp-image-19640\" decoding=\"async\" height=\"874\" loading=\"lazy\" sizes=\"auto, (max-width: 1917px) 100vw, 1917px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70411b9ee3e.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70411b9ee3e.png 1917w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70411b9ee3e-300x137.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70411b9ee3e-1024x467.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70411b9ee3e-768x350.png 768w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70411b9ee3e-1536x700.png 1536w\" width=\"1917\"\/><\/p>\n<pre class=\"lang-puml\"><code data-language=\"puml\">@startuml\r\nskinparam linetype ortho\r\nskinparam defaultFontSize 14\r\nskinparam defaultFontColor #333333\r\nskinparam vpDiagramType UseCaseDiagram\r\nskinparam actor {\r\n  BackgroundColor #E8F5E9\r\n}\r\nskinparam usecase {\r\n  BackgroundColor #BBDEFB\r\n  BorderColor #1976D2\r\n  ArrowColor #1976D2\r\n}\r\n\r\nleft to right direction\r\nactor \"Customern(Primary)\" as cust\r\nactor \"Warehousen(Secondary)\" as wh\r\n\r\nrectangle \"Order Management System\" {\r\n  usecase \"Place Order\" as UC1\r\n  usecase \"Cancel Order\" as UC2\r\n  usecase \"Track Order\" as UC3\r\n  usecase \"Login\" as UC4\r\n  usecase \"Print Invoice\" as UC5\r\n}\r\n\r\ncust -[#black]- UC1\r\ncust -[#black]- UC2\r\ncust -[#black]- UC3\r\nUC1 -[#crimson]- wh\r\nUC2 -[#crimson]- wh\r\nUC1 ...&gt; UC4 : &lt;&lt;include&gt;&gt;\r\nUC2 ...&gt; UC4 : &lt;&lt;include&gt;&gt;\r\nUC3 ...&gt; UC4 : &lt;&lt;include&gt;&gt;\r\nUC1 &lt;... UC5 : &lt;&lt;extend&gt;&gt;\r\n@enduml\r\n<\/code><\/pre>\n<p><strong>\u56fe\u8868\u5206\u6790\uff1a<\/strong><\/p>\n<ul>\n<li>\u8be5<strong>\u5ba2\u6237<\/strong>\u53d1\u8d77\u4e0b\u5355\u3001\u53d6\u6d88\u8ba2\u5355\u548c\u8ddf\u8e2a\u8ba2\u5355\u3002<\/li>\n<li>\u8be5<strong>\u4ed3\u5e93<\/strong>\u53c2\u4e0e\u4e0b\u5355\u548c\u53d6\u6d88\u8ba2\u5355\uff08\u53ef\u80fd\u7528\u4e8e\u5e93\u5b58\u66f4\u65b0\uff09\u3002<\/li>\n<li><strong>\u767b\u5f55<\/strong>\u5305\u542b\u5728\u4e0b\u5355\u3001\u53d6\u6d88\u8ba2\u5355\u548c\u8ddf\u8e2a\u8ba2\u5355\u4e2d\uff0c\u610f\u5473\u7740\u8fd9\u4e9b\u64cd\u4f5c\u5fc5\u987b\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002<\/li>\n<li><strong>\u6253\u5370\u53d1\u7968<\/strong>\u6269\u5c55\u4e86\u4e0b\u5355\u64cd\u4f5c\uff0c\u610f\u5473\u7740\u5b83\u662f\u4e00\u4e2a\u53ef\u9009\u6b65\u9aa4\uff0c\u53ef\u80fd\u5728\u8ba2\u5355\u4e0b\u5355\u540e\u53d1\u751f\u3002<\/li>\n<\/ul>\n<hr\/>\n<h2>\u9636\u6bb5 2\uff1a\u7528\u4f8b\u63cf\u8ff0\uff08\u89c4\u8303\uff09<\/h2>\n<p>\u56fe\u8868\u5217\u51fa\u4e86\u7528\u4f8b\u540d\u79f0\uff0c\u4f46\u7f3a\u4e4f\u7ec6\u8282\u3002\u8be5<a href=\"https:\/\/www.visual-paradigm.com\/features\/use-case-description\/\">\u7528\u4f8b\u63cf\u8ff0\u8868<\/a>\u89c4\u5b9a\u4e86\u6bcf\u4e2a\u7528\u4f8b\u7684\u7cbe\u786e\u5951\u7ea6\u3002<\/p>\n<h3>\u793a\u4f8b\uff1aUC-01 \u4e0b\u5355<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u5b57\u6bb5<\/th>\n<th>\u503c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u7528\u4f8b ID<\/strong><\/td>\n<td>UC-01<\/td>\n<\/tr>\n<tr>\n<td><strong>\u540d\u79f0<\/strong><\/td>\n<td>\u4e0b\u5355<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4e3b\u8981\u53c2\u4e0e\u8005<\/strong><\/td>\n<td>\u5ba2\u6237<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6b21\u8981\u53c2\u4e0e\u8005<\/strong><\/td>\n<td>\u4ed3\u5e93<\/td>\n<\/tr>\n<tr>\n<td><strong>\u524d\u7f6e\u6761\u4ef6<\/strong><\/td>\n<td>\u5ba2\u6237\u5df2\u767b\u5f55\uff1b\u8d2d\u7269\u8f66\u4e2d\u81f3\u5c11\u5305\u542b\u4e00\u4ef6\u5546\u54c1\uff1b\u5546\u54c1\u6709\u5e93\u5b58<\/td>\n<\/tr>\n<tr>\n<td><strong>\u540e\u7f6e\u6761\u4ef6\uff08\u6210\u529f\uff09<\/strong><\/td>\n<td>\u8ba2\u5355\u5df2\u6301\u4e45\u5316\uff0c\u72b6\u6001\u4e3a<code data-backticks=\"1\">\u5df2\u786e\u8ba4<\/code>\uff1b\u5df2\u6263\u6b3e\uff1b\u5df2\u751f\u6210\u8ddf\u8e2a\u53f7<\/td>\n<\/tr>\n<tr>\n<td><strong>\u540e\u7f6e\u6761\u4ef6\uff08\u5931\u8d25\uff09<\/strong><\/td>\n<td>\u672a\u521b\u5efa\u8ba2\u5355\uff1b\u8d2d\u7269\u8f66\u672a\u53d8\uff1b\u7528\u6237\u83b7\u77e5\u539f\u56e0<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4e3b\u6d41\u7a0b<\/strong><\/td>\n<td>\u2192 \u53c2\u89c1\u7b2c 3 \u9636\u6bb5<\/td>\n<\/tr>\n<tr>\n<td><strong>\u66ff\u4ee3\u6d41\u7a0b\/\u5f02\u5e38\u6d41\u7a0b<\/strong><\/td>\n<td>\u5e93\u5b58\u4e0d\u8db3\uff1b\u652f\u4ed8\u88ab\u62d2<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4f18\u5148\u7ea7<\/strong><\/td>\n<td>\u9ad8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u76ee\u7684\uff1a<\/strong>\u672c\u9636\u6bb5\u5b9a\u4e49\u5fc5\u987b\u4e3a\u771f\u7684\u5185\u5bb9<em>\u5728<\/em>\u7528\u4f8b\u8fd0\u884c\u4e4b\u524d\uff08\u524d\u7f6e\u6761\u4ef6\uff09\u4ee5\u53ca\u5fc5\u987b\u6210\u7acb\u7684\u5185\u5bb9<em>\u4e4b\u540e<\/em>\uff08\u540e\u7f6e\u6761\u4ef6\uff09\uff0c\u786e\u7acb\u660e\u786e\u7684\u6210\u8d25\u6807\u51c6\u3002<\/p>\n<hr\/>\n<h2>\u7b2c 3 \u9636\u6bb5\uff1a<a href=\"https:\/\/guides.visual-paradigm.com\/mastering-use-case-elaboration-flow-of-events-and-sequence-diagrams\/\">\u4e8b\u4ef6\u6d41<\/a>\uff08\u573a\u666f\uff09<\/h2>\n<p>\u8fd9\u662f\u8be5\u65b9\u6cd5\u7684\u884c\u4e3a\u6838\u5fc3\u3002\u201c\u4e0b\u8ba2\u5355\u201d\u7528\u4f8b\u6269\u5c55\u4e3a\u4e00\u4e2a<strong>\u573a\u666f\u811a\u672c<\/strong>\u2014\u2014\u5728\u5b58\u5728\u4efb\u4f55\u8be6\u7ec6\u8bbe\u8ba1\u56fe\u4e4b\u524d\u7f16\u5199\u7684\u4e00\u7cfb\u5217\u7f16\u53f7\u6b65\u9aa4\u3002<\/p>\n<h3>\u4e3b\u6210\u529f\u573a\u666f\uff08\u57fa\u672c\u6d41\u7a0b\uff09<\/h3>\n<ol>\n<li>\u5ba2\u6237\u767b\u5f55\u3002<\/li>\n<li>\u5ba2\u6237\u63d0\u4ea4\u5305\u542b\u6240\u9009\u5546\u54c1\u7684\u8d2d\u7269\u8f66\u3002<\/li>\n<li>\u7cfb\u7edf\u9a8c\u8bc1\u8d2d\u7269\u8f66\u5185\u5bb9\u548c\u5e93\u5b58\u53ef\u7528\u6027\u3002<\/li>\n<li>\u7cfb\u7edf\u901a\u8fc7\u652f\u4ed8\u7f51\u5173\u6536\u53d6\u603b\u91d1\u989d\u3002<\/li>\n<li>\u7cfb\u7edf\u4fdd\u5b58\u8ba2\u5355\uff0c\u72b6\u6001\u4e3a<code data-backticks=\"1\">\u5df2\u786e\u8ba4<\/code>.<\/li>\n<li>\u7cfb\u7edf\u8fd4\u56de\u5305\u542b\u8ba2\u5355\u53f7\u7684\u8ba2\u5355\u786e\u8ba4\u4fe1\u606f\u3002<\/li>\n<li>\u7cfb\u7edf\u901a\u77e5\u4ed3\u5e93\u8fdb\u884c\u62e3\u8d27\u3001\u6253\u5305\u548c\u53d1\u8d27\u3002<\/li>\n<\/ol>\n<h3>\u66ff\u4ee3\u573a\u666f<\/h3>\n<ul>\n<li><strong>3a. \u5e93\u5b58\u4e0d\u8db3\uff1a<\/strong>\u7cfb\u7edf\u62a5\u544a\u4e0d\u53ef\u7528\u5546\u54c1\u5e76\u8fd4\u56de\u8d2d\u7269\u8f66\u3002<\/li>\n<li><strong>4a. \u652f\u4ed8\u88ab\u62d2\uff1a<\/strong>\u7cfb\u7edf\u901a\u77e5\u5ba2\u6237\u4e14\u4e0d\u521b\u5efa\u8ba2\u5355\u3002<\/li>\n<\/ul>\n<p><strong>\u5173\u952e\u7ea6\u5b9a\uff1a<\/strong>\u6bcf\u4e2a\u573a\u666f\u76f4\u63a5\u5bf9\u5e94\u63cf\u8ff0\u4e2d\u7684\u4e00\u4e2a\u6b65\u9aa4\u3002\u8fd9\u4e9b\u6d41\u7a0b\u5c06\u6210\u4e3a\u4e0b\u4e00\u9636\u6bb5\u6d3b\u52a8\u56fe\u548c\u5e8f\u5217\u56fe\u7684\u57fa\u7840\u3002<\/p>\n<hr\/>\n<h2>\u9636\u6bb5 4\uff1a\u8be6\u7ec6\u8bbe\u8ba1\uff08\u5e8f\u5217\u56fe\u4e0e\u6d3b\u52a8\u56fe\uff09<\/h2>\n<p>\u5728\u6b64\u9636\u6bb5\uff0c\u60a8\u6839\u636e\u5e0c\u671b\u5f3a\u8c03\u7684\u7cfb\u7edf\u65b9\u9762\u6765\u9009\u62e9\u7b26\u53f7\u8868\u793a\u6cd5\u3002<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-sequence-diagram\/\">\u5e8f\u5217\u56fe<\/a>:<\/strong>\u5f3a\u8c03<strong>\u751f\u547d\u7ebf\u3001\u6d88\u606f\u987a\u5e8f\u4ee5\u53ca\u5bf9\u8c61\u4e4b\u95f4\u7684\u804c\u8d23<\/strong>\u3002\u975e\u5e38\u9002\u5408\u7528\u4e8e\u53d1\u73b0\u7c7b\u548c\u65b9\u6cd5\u3002<\/li>\n<li><strong>\u6d3b\u52a8\u56fe\uff1a<\/strong>\u5f3a\u8c03<strong>\u901a\u8fc7\u6cf3\u9053\/\u53c2\u4e0e\u65b9\u5c55\u793a\u63a7\u5236\u6d41\u548c\u51b3\u7b56<\/strong>\u3002\u975e\u5e38\u9002\u5408\u7528\u4e8e\u8bb0\u5f55\u6d41\u7a0b\u548c\u89d2\u8272\u804c\u8d23\u3002<\/li>\n<\/ul>\n<h3>4A. <a href=\"https:\/\/www.visual-paradigm.com\/learning\/handbooks\/software-design-handbook\/sequence-diagram.jsp\">\u5e8f\u5217\u56fe<\/a>\uff08\u4ea4\u4e92\u89c6\u89d2\uff09<\/h3>\n<p id=\"AXQWPIw\"><img alt=\"\u5c55\u793a\u4e0b\u5355\u5de5\u4f5c\u6d41\u7684\u5e8f\u5217\u56fe\uff0c\u6d89\u53ca\u5ba2\u6237\u3001\u8ba2\u5355\u670d\u52a1\u3001\u652f\u4ed8\u7f51\u5173\u548c\u8ba2\u5355\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002\" class=\"alignnone size-full wp-image-19639\" decoding=\"async\" height=\"875\" loading=\"lazy\" sizes=\"auto, (max-width: 1917px) 100vw, 1917px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a7040f350272.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a7040f350272.png 1917w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a7040f350272-300x137.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a7040f350272-1024x467.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a7040f350272-768x351.png 768w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a7040f350272-1536x701.png 1536w\" width=\"1917\"\/><\/p>\n<pre class=\"lang-puml\"><code data-language=\"puml\">@startuml\r\ntitle \u4e0b\u8ba2\u5355\u5e8f\u5217\u56fe\r\nskinparam linetype ortho\r\nskinparam defaultFontSize 14\r\nskinparam defaultFontColor #333333\r\nskinparam sequenceParticipant underline\r\nskinparam vpDiagramType InteractionDiagram\r\nskinparam {\r\n  FontSize 14\r\n  ArrowColor #4A4A4A\r\n  ArrowFontColor #4A4A4A\r\n  BackgroundColor #FFFFFF\r\n  BorderColor #DEDEDE\r\n  FontColor #333333\r\n  Participant {\r\n    BorderColor #0077B6\r\n    BackgroundColor #F0F8FF\r\n    FontColor #005691\r\n  }\r\n  Actor {\r\n    BorderColor #6A057F\r\n    BackgroundColor #F5EEF8\r\n    FontColor #510363\r\n  }\r\n  Sequence {\r\n    ArrowThickness 2\r\n    LifeLineBorderColor #444444\r\n    LifeLineBackgroundColor #F7F7F7\r\n    BoxBorderColor #AAAAAA\r\n    BoxBackgroundColor #FFFFFF\r\n    BoxFontColor #333333\r\n  }\r\n}\r\n\r\nactor \"\u5ba2\u6237\" as USR\r\nparticipant \"\u8ba2\u5355\u670d\u52a1\" as OS\r\nparticipant \"\u652f\u4ed8\u7f51\u5173\" as PG\r\ndatabase \"\u8ba2\u5355\u6570\u636e\u5e93\" as DB\r\n\r\nactivate USR\r\nUSR -&gt; OS : submitOrder(items)\r\nactivate OS\r\nalt \u9a8c\u8bc1\u4e0e\u652f\u4ed8\r\n  OS -&gt; OS : validateCart(items)\r\n  OS -&gt; PG : charge(total)\r\n  activate PG\r\n  PG --&gt; OS : paymentOk\r\n  deactivate PG\r\n  OS -&gt; DB : saveOrder(status=confirmed)\r\n  activate DB\r\n  DB --&gt; OS : orderId\r\n  deactivate DB\r\n  OS --&gt; USR : orderConfirmation(orderId)\r\nelse \u5e93\u5b58\u4e0d\u8db3\r\n  OS -&gt; DB : checkStock(items)\r\n  activate DB\r\n  DB --&gt; OS : stockUnavailable\r\n  deactivate DB\r\n  OS --&gt; USR : error(\"Out of stock\")\r\nelse \u652f\u4ed8\u5931\u8d25\r\n  PG --&gt; OS : paymentFailed\r\n  OS --&gt; USR : error(\"Payment declined\")\r\nend\r\ndeactivate OS\r\n@enduml\r\n<\/code><\/pre>\n<p><strong>\u5173\u952e\u6982\u5ff5\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u540c\u6b65\u8c03\u7528\uff1a<\/strong>\u5b9e\u7ebf\u7bad\u5934\uff08<code data-backticks=\"1\">-&gt;<\/code>).<\/li>\n<li><strong>\u56de\u590d\uff1a<\/strong>\u865a\u7ebf\u7bad\u5934\uff08<code data-backticks=\"1\">--&gt;<\/code>).<\/li>\n<li><strong>\u6fc0\u6d3b\u6761\uff1a<\/strong>\u663e\u793a\u5bf9\u8c61\u5904\u7406\u7684\u751f\u547d\u5468\u671f\u3002<\/li>\n<li><strong><code data-backticks=\"1\">alt<\/code>\u7ec4\u5408\u7247\u6bb5\uff1a<\/strong>\u5c01\u88c5\u4e86\u4e09\u79cd\u573a\u666f\uff08\u6210\u529f\u3001\u5e93\u5b58\u4e0d\u8db3\u3001\u652f\u4ed8\u5931\u8d25\uff09\uff0c\u76f4\u63a5\u6620\u5c04\u9636\u6bb5 3 \u7684\u4e8b\u4ef6\u6d41\u3002<\/li>\n<\/ul>\n<h3>4B. <a href=\"https:\/\/www.visual-paradigm.com\/VPGallery\/diagrams\/Activity.html\">\u6d3b\u52a8\u56fe<\/a>\uff08\u6d41\u7a0b\u89c6\u89d2\uff09<\/h3>\n<p id=\"OlDcrcu\"><img alt=\"VPasCode \u754c\u9762\u663e\u793a\u4e0b\u5355\u6d3b\u52a8\u56fe\uff0c\u5305\u542b\u5ba2\u6237\u3001\u7cfb\u7edf\u548c\u4ed3\u5e93\u6cf3\u9053\u3002\" class=\"alignnone size-full wp-image-19641\" decoding=\"async\" height=\"874\" loading=\"lazy\" sizes=\"auto, (max-width: 1918px) 100vw, 1918px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70415b23cc1.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70415b23cc1.png 1918w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70415b23cc1-300x137.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70415b23cc1-1024x467.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70415b23cc1-768x350.png 768w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a70415b23cc1-1536x700.png 1536w\" width=\"1918\"\/><\/p>\n<pre class=\"lang-puml\"><code data-language=\"puml\">@startuml\n&lt;style&gt;\n  element { MaximumWidth 150 }\n  start   { Backgroundcolor #00695C }\n  stop    { Backgroundcolor #C2185B }\n  activity{ Backgroundcolor #81D4FA; MaximumWidth 150 }\n  diamond { Backgroundcolor #FFB74D; MaximumWidth 80 }\n  arrow   { LineColor #424242; Fontcolor #000000 }\n  swimlane{ Fontcolor #000000; FontSize 14 }\n&lt;\/style&gt;\ntitle \u4e0b\u5355\u6d3b\u52a8\u56fe\n\n|#F0F8FF|\u5ba2\u6237|\nstart\n:\u767b\u5f55;\n:\u6d4f\u89c8\u76ee\u5f55;\n:\u6dfb\u52a0\u5546\u54c1\u5230\u8d2d\u7269\u8f66;\n\nif (\u51c6\u5907\u7ed3\u8d26\uff1f) then (\u662f)\n  :\u8fdb\u5165\u7ed3\u8d26\u6d41\u7a0b;\nelse (\u5426)\n  :\u8fd4\u56de\u6d4f\u89c8;\n  stop\nendif\n\n|#E8F5E9|\u7cfb\u7edf|\n:\u9a8c\u8bc1\u8d2d\u7269\u8f66;\n:\u5904\u7406\u652f\u4ed8;\n\nif (\u652f\u4ed8\u5df2\u6279\u51c6\uff1f) then (\u662f)\n  :\u521b\u5efa\u8ba2\u5355\uff08\u72b6\u6001=\u5df2\u786e\u8ba4\uff09;\nelse (\u5426)\n  :\u901a\u77e5\u652f\u4ed8\u5931\u8d25;\nendif\n\n|#F5EEF8|\u4ed3\u5e93|\nif (\u652f\u4ed8\u5df2\u6279\u51c6\uff1f) then (\u662f)\n  :\u62e3\u8d27\u4e0e\u6253\u5305\u5546\u54c1;\n  :\u53d1\u8d27;\n  :\u53d1\u9001\u8ffd\u8e2a\u53f7;\n  stop\nelse (\u5426)\n  stop\nendif\n@enduml<\/code><\/pre>\n<p id=\"JVZgQMi\"><img alt=\"\u4e0b\u5355\u6d3b\u52a8\u56fe\uff0c\u5c55\u793a\u8de8\u8d8a\u5ba2\u6237\u3001\u7cfb\u7edf\u548c\u4ed3\u5e93\u6cf3\u9053\u7684\u6d41\u7a0b\u3002\" class=\"alignnone size-full wp-image-19642\" decoding=\"async\" height=\"917\" loading=\"lazy\" sizes=\"auto, (max-width: 843px) 100vw, 843px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a7041742d648.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a7041742d648.png 843w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a7041742d648-276x300.png 276w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/08\/img_6a7041742d648-768x835.png 768w\" width=\"843\"\/><strong>\u5173\u952e\u6982\u5ff5\uff1a<\/strong><\/p>\n<ul>\n<li><strong><a href=\"https:\/\/guides.visual-paradigm.com\/a-guide-to-swimlane-activity-diagrams\/\">\u6cf3\u9053<\/a>:<\/strong>\u5c06\u6bcf\u4e2a\u64cd\u4f5c\u5206\u914d\u7ed9\u8d23\u4efb\u65b9\uff08\u5ba2\u6237\u3001\u7cfb\u7edf\u3001\u4ed3\u5e93\uff09\u3002<\/li>\n<li><strong>\u51b3\u7b56\u8282\u70b9\uff1a<\/strong>\u00a0<code data-backticks=\"1\">if\/then\/else\/endif<\/code>\u7ed3\u6784\u7528\u4e8e\u7f16\u7801\u5206\u652f\u573a\u666f\u3002<\/li>\n<li><strong>\u5f00\u59cb\/\u7ed3\u675f\u6807\u8bb0\uff1a<\/strong>\u754c\u5b9a\u6d41\u7a0b\u7684\u8d77\u70b9\u548c\u7ec8\u70b9\u3002<\/li>\n<\/ul>\n<hr\/>\n<h2>PlantUML \u5173\u952e\u8981\u70b9<\/h2>\n<p>\u8981\u4f7f\u7528 PlantUML \u6709\u6548\u5efa\u6a21\u6b64\u65b9\u6cd5\uff0c\u8bf7\u7262\u8bb0\u4ee5\u4e0b\u8bed\u6cd5\u8981\u70b9\uff1a<\/p>\n<ol>\n<li><strong><a href=\"https:\/\/www.visual-paradigm.com\/solution\/free-use-case-tool\/\">\u7528\u4f8b\u56fe<\/a>:<\/strong>\n<ul>\n<li>\u4f7f\u7528 <code data-backticks=\"1\">usecase<\/code>\u8868\u793a\u529f\u80fd\u3002<\/li>\n<li>\u4f7f\u7528 <code data-backticks=\"1\">...&gt;<\/code>\u8868\u793a <code data-backticks=\"1\">&lt;&lt;include&gt;&gt;<\/code>\u5173\u7cfb\u3002<\/li>\n<li>\u4f7f\u7528<code data-backticks=\"1\">&lt;...<\/code>\u8868\u793a<code data-backticks=\"1\">&lt;&lt;\u6269\u5c55&gt;&gt;<\/code>\u5173\u7cfb\u3002<\/li>\n<li>\u4f7f\u7528<code data-backticks=\"1\">rectangle \"\u7cfb\u7edf\u540d\u79f0\" {}<\/code>\u6765\u5b9a\u4e49\u7cfb\u7edf\u8fb9\u754c\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5e8f\u5217\u56fe\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528<code data-backticks=\"1\">\u53c2\u4e0e\u8005<\/code>,\u00a0<code data-backticks=\"1\">\u53c2\u4e0e\u8005<\/code>\uff0c\u6216<code data-backticks=\"1\">\u6570\u636e\u5e93<\/code>.<\/li>\n<li>\u4f7f\u7528<code data-backticks=\"1\">-&gt;<\/code>\u8868\u793a\u540c\u6b65\u8c03\u7528\uff0c\u800c<code data-backticks=\"1\">--&gt;<\/code>\u8868\u793a\u56de\u590d\u3002<\/li>\n<li>\u4f7f\u7528<code data-backticks=\"1\">\u6fc0\u6d3b<\/code>\u548c<code data-backticks=\"1\">\u53bb\u6fc0\u6d3b<\/code>\u6765\u663e\u793a\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u3002<\/li>\n<li>\u4f7f\u7528<code data-backticks=\"1\">alt<\/code>,\u00a0<code data-backticks=\"1\">\u5426\u5219<\/code>\uff0c\u5e76\u4e14<code data-backticks=\"1\">\u7ed3\u675f<\/code>\u7528\u4e8e\u8868\u793a\u66ff\u4ee3\u6d41\u7a0b\u7684\u7ec4\u5408\u7247\u6bb5\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6d3b\u52a8\u56fe\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528<code data-backticks=\"1\">|#color|\u6cf3\u9053\u540d\u79f0|<\/code>\u6765\u5b9a\u4e49\u6cf3\u9053\u3002<\/li>\n<li>\u4f7f\u7528<code data-backticks=\"1\">:action;<\/code>\u6765\u8868\u793a\u6d3b\u52a8\u3002<\/li>\n<li>\u4f7f\u7528<code data-backticks=\"1\">if\/else\/endif<\/code>\u6765\u8868\u793a\u51b3\u7b56\u8282\u70b9\u3002<\/li>\n<li>\u4f7f\u7528<code data-backticks=\"1\">start<\/code>\u548c<code data-backticks=\"1\">stop<\/code>\u6765\u6807\u8bb0\u8fc7\u7a0b\u8fb9\u754c\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr\/>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u8be5<a href=\"https:\/\/blog.visual-paradigm.com\/use-case-diagram-tutorial\/\">\u7528\u4f8b\u9a71\u52a8\u65b9\u6cd5<\/a>\u4e0d\u4ec5\u4ec5\u662f\u4e00\u79cd\u6587\u6863\u6280\u672f\uff1b\u5b83\u662f\u4e00\u79cd\u6e10\u8fdb\u5f0f\u7ec6\u5316\u7684\u6846\u67b6\u3002\u4ece\u5b8f\u89c2\u89c6\u89d2\uff08<a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575_usecasediagr.html\">\u7528\u4f8b\u56fe<\/a>\uff09\u5165\u624b\uff0c\u6df1\u5165\u5177\u4f53\u884c\u4e3a\uff08\u4e8b\u4ef6\u6d41\uff09\u548c\u6280\u672f\u4ea4\u4e92\uff08<a href=\"https:\/\/www.visual-paradigm.com\/VPGallery\/diagrams\/Sequence.html\">\u5e8f\u5217<\/a>\/<a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/tutorials\/activity-diagram-tutorial\/\">\u6d3b\u52a8\u56fe<\/a>\uff09\uff0c\u56e2\u961f\u53ef\u4ee5\u786e\u4fdd\u6bcf\u4e00\u884c\u4ee3\u7801\u90fd\u80fd\u8ffd\u6eaf\u5230\u5df2\u9a8c\u8bc1\u7684\u7528\u6237\u9700\u6c42\u3002<\/p>\n<p 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