{"id":2023,"date":"2026-08-07T09:53:28","date_gmt":"2026-08-07T09:53:28","guid":{"rendered":"https:\/\/www.ez-knowledge.com\/cn\/mastering-uml-sequence-diagrams-a-comprehensive-guide-to-modeling-dynamic-interactions\/"},"modified":"2026-08-07T09:53:28","modified_gmt":"2026-08-07T09:53:28","slug":"mastering-uml-sequence-diagrams-a-comprehensive-guide-to-modeling-dynamic-interactions","status":"publish","type":"post","link":"https:\/\/www.ez-knowledge.com\/cn\/mastering-uml-sequence-diagrams-a-comprehensive-guide-to-modeling-dynamic-interactions\/","title":{"rendered":"\u638c\u63e1UML\u5e8f\u5217\u56fe\uff1a\u5efa\u6a21\u52a8\u6001\u4ea4\u4e92\u7684\u5168\u9762\u6307\u5357"},"content":{"rendered":"<h2>\u5f15\u8a00<\/h2>\n<p>\u5728\u8f6f\u4ef6\u5de5\u7a0b\u548c\u7cfb\u7edf\u8bbe\u8ba1\u9886\u57df\uff0c\u7406\u89e3<em>\u5982\u4f55<\/em>\u7ec4\u4ef6\u4e4b\u95f4\u5982\u4f55\u4ea4\u4e92\uff0c\u4e0e\u4e86\u89e3<em>\u8fd9\u4e9b\u7ec4\u4ef6\u662f\u4ec0\u4e48<\/em>\u540c\u6837\u91cd\u8981\u3002\u867d\u7136\u7c7b\u56fe\u63d0\u4f9b\u4e86\u7cfb\u7edf\u7ed3\u6784\u7684\u9759\u6001\u89c6\u56fe\uff0c<strong><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/overview-of-the-14-uml-diagram-types\/\">UML<\/a> <a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-sequence-diagram\/\">\u5e8f\u5217\u56fe<\/a><\/strong><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-sequence-diagram\/\">\u00a0<\/a>\u63d0\u4f9b\u4e86<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/behavior-vs-structural-diagram\/\">\u52a8\u6001\u89c6\u89d2<\/a>\u3002\u5b83\u4eec\u662f\u4ea4\u4e92\u56fe\uff0c\u8be6\u7ec6\u63cf\u8ff0\u4e86\u64cd\u4f5c\u7684\u6267\u884c\u65b9\u5f0f\uff0c\u6355\u6349\u4e86\u5bf9\u8c61\u968f\u65f6\u95f4\u7684\u534f\u4f5c\u8fc7\u7a0b\u3002<\/p>\n<p>\u5bf9\u4e8e\u4ea7\u54c1\u7ecf\u7406\u3001\u67b6\u6784\u5e08\u548c\u5f00\u53d1\u4eba\u5458\u6765\u8bf4\uff0c\u5e8f\u5217\u56fe\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\uff0c\u53ef\u7528\u4e8e\u53ef\u89c6\u5316\u903b\u8f91\u6d41\u7a0b\u3001\u8bc6\u522b\u74f6\u9888\uff0c\u5e76\u786e\u4fdd\u590d\u6742\u7528\u4f8b\u88ab\u6b63\u786e\u5b9e\u73b0\u3002\u672c\u6307\u5357\u63a2\u8ba8\u4e86\u521b\u5efa<a href=\"https:\/\/www.sparxsystems.us\/guides\/uml-with-sparx-ea\/diagrams\/\">\u6709\u6548\u5e8f\u5217\u56fe<\/a>\u7684\u6838\u5fc3\u6982\u5ff5\u3001\u7b26\u53f7\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u9644\u5e26PlantUML\u793a\u4f8b\uff0c\u5e2e\u52a9\u4f60\u5728\u7f16\u7801\u524d\u8fdb\u884c\u5efa\u6a21\u3002<\/p>\n<hr\/>\n<h2>\u4ec0\u4e48\u662f\u5e8f\u5217\u56fe\uff1f<\/h2>\n<p>UML\u5e8f\u5217\u56fe\u662f\u4e00\u79cd\u4ea4\u4e92\u56fe\uff0c\u5c55\u793a\u4e86\u8fdb\u7a0b\u4e4b\u95f4\u5982\u4f55\u76f8\u4e92\u64cd\u4f5c\u4ee5\u53ca\u64cd\u4f5c\u7684\u987a\u5e8f\u3002\u5b83\u5728\u534f\u4f5c\u80cc\u666f\u4e0b\u6355\u6349\u5bf9\u8c61\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002\u5e8f\u5217\u56fe\u7684\u663e\u8457\u7279\u5f81\u662f\u5176\u5bf9<strong>\u65f6\u95f4<\/strong>.<\/p>\n<p id=\"BnmSsmA\"><img fetchpriority=\"high\" alt=\"Understanding The Dynamic View: UML Sequence Diagrams | Visual Paradigm\" class=\"alignnone wp-image-2339 size-full\" decoding=\"async\" fetchpriority=\"high\" height=\"572\" sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aaf73773e.png\" srcset=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aaf73773e.png 1024w, https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aaf73773e-300x168.png 300w, https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aaf73773e-768x429.png 768w\" width=\"1024\"\/><\/p>\n<p><a href=\"https:\/\/www.visual-paradigm.com\/learning\/handbooks\/software-design-handbook\/sequence-diagram.jsp\">\u5e8f\u5217\u56fe<\/a>\u662fUML\u66f4\u5e7f\u6cdb\u5c42\u6b21\u7ed3\u6784\u7684\u4e00\u90e8\u5206\uff0c\u5177\u4f53\u5c5e\u4e8e\u4ea4\u4e92\u56fe\u3002\u5b83\u4eec\u7528\u4e8e\uff1a<\/p>\n<ul>\n<li>\n<p>\u5efa\u6a21\u7cfb\u7edf\u4e2d\u6d3b\u8dc3\u5bf9\u8c61\u4e4b\u95f4\u7684\u9ad8\u5c42\u6b21\u4ea4\u4e92\u3002<\/p>\n<\/li>\n<li>\n<p>\u8be6\u7ec6\u63cf\u8ff0\u5728\u5b9e\u73b0\u7528\u4f8b\u7684\u534f\u4f5c\u4e2d\uff0c\u5bf9\u8c61\u5b9e\u4f8b\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002<\/p>\n<\/li>\n<li>\n<p>\u53ef\u89c6\u5316\u5b50\u7cfb\u7edf\u6216\u5916\u90e8\u7cfb\u7edf\u4e4b\u95f4\u7684\u6d88\u606f\u4ea4\u6362\u3002<\/p>\n<\/li>\n<\/ul>\n<p><img alt=\"Sequence Diagram in UML Diagram Hierarchy\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-sequence-diagram\/sequence-diagram-in-uml-diagram-hierarchy.png\"\/><\/p>\n<h3>\u5173\u952e\u7279\u5f81<\/h3>\n<ol>\n<li>\n<p><strong>\u65f6\u95f4\u5bfc\u5411\uff1a<\/strong>\u5782\u76f4\u8f74\u8868\u793a\u65f6\u95f4\u5411\u4e0b\u63a8\u8fdb\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9762\u5411\u5bf9\u8c61\uff1a<\/strong>\u6c34\u5e73\u8f74\u5217\u51fa\u53c2\u4e0e\u4ea4\u4e92\u7684\u5bf9\u8c61\u6216\u53c2\u4e0e\u8005\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u52a8\u6001\uff1a<\/strong>\u4e0e\u9759\u6001\u7c7b\u56fe\u4e0d\u540c\uff0c\u5e8f\u5217\u56fe\u63cf\u8ff0\u4e86\u5bf9\u8c61\u5728\u8fd0\u884c\u65f6\u5982\u4f55\u534f\u4f5c\u3002<\/p>\n<\/li>\n<\/ol>\n<hr\/>\n<h2>\u5e8f\u5217\u56fe\u6982\u89c8<\/h2>\n<p>\u7406\u89e3\u5e8f\u5217\u56fe\u7684\u4e24\u4e2a\u4e3b\u8981\u7ef4\u5ea6\u5bf9\u4e8e\u6709\u6548\u9605\u8bfb\u548c\u521b\u5efa\u5e8f\u5217\u56fe\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3>1. \u5bf9\u8c61\u7ef4\u5ea6\uff08\u6c34\u5e73\u8f74\uff09<\/h3>\n<p>\u6c34\u5e73\u8f74\u663e\u793a\u4ea4\u4e92\u4e2d\u6d89\u53ca\u7684\u5143\u7d20\u3002\u8fd9\u4e9b\u5143\u7d20\u901a\u5e38\u6839\u636e\u5b83\u4eec\u9996\u6b21\u53c2\u4e0e\u6d88\u606f\u5e8f\u5217\u7684\u65f6\u95f4\u4ece\u5de6\u5230\u53f3\u5217\u51fa\uff0c\u5c3d\u7ba1\u6b64\u987a\u5e8f\u53ef\u80fd\u6709\u6240\u4e0d\u540c\u3002\u6bcf\u4e2a\u5143\u7d20\u7531\u4e00\u4e2a\u00a0<strong>\u751f\u547d\u7ebf<\/strong>.<\/p>\n<h3>2. \u65f6\u95f4\u7ef4\u5ea6\uff08\u5782\u76f4\u8f74\uff09<\/h3>\n<p>\u5782\u76f4\u8f74\u8868\u793a\u65f6\u95f4\u7684\u63a8\u8fdb\u3002\u5f53\u4f60\u5411\u4e0b\u79fb\u52a8\u56fe\u8868\u65f6\uff0c\u65f6\u95f4\u5411\u524d\u63a8\u8fdb\u3002<\/p>\n<blockquote>\n<p><strong>\u6ce8\u610f\uff1a<\/strong>\u5e8f\u5217\u56fe\u4e2d\u7684\u65f6\u95f4\u6307\u7684\u662f\u00a0<strong>\u987a\u5e8f<\/strong>\uff0c\u800c\u4e0d\u662f\u6301\u7eed\u65f6\u95f4\u3002\u6d88\u606f\u4e4b\u95f4\u7684\u5782\u76f4\u7a7a\u95f4\u4e0d\u4e00\u5b9a\u5bf9\u5e94\u5b9e\u9645\u7684\u79d2\u6216\u6beb\u79d2\uff1b\u5b83\u4ec5\u8868\u793a\u4e00\u4e2a\u4e8b\u4ef6\u53d1\u751f\u5728\u53e6\u4e00\u4e2a\u4e8b\u4ef6\u4e4b\u540e\u3002<\/p>\n<\/blockquote>\n<hr\/>\n<h2>\u6838\u5fc3\u7b26\u53f7\u4e0e\u5143\u7d20<\/h2>\n<p>\u8981\u6784\u5efa\u5e8f\u5217\u56fe\uff0c\u4f60\u9700\u8981\u7406\u89e3\u6807\u51c6\u7684UML\u7b26\u53f7\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u7b26\u53f7\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th align=\"left\">\u7b26\u53f7<\/th>\n<th align=\"left\">\u63cf\u8ff0<\/th>\n<th align=\"left\">\u89c6\u89c9\u8868\u793a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"left\"><strong>\u53c2\u4e0e\u8005<\/strong><\/td>\n<td align=\"left\">\u8868\u793a\u7531\u7528\u6237\u3001\u5916\u90e8\u786c\u4ef6\u6216\u53e6\u4e00\u4e2a\u7cfb\u7edf\u626e\u6f14\u7684\u89d2\u8272\u3002\u53c2\u4e0e\u8005\u4f4d\u4e8e\u88ab\u5efa\u6a21\u7cfb\u7edf\u7684\u5916\u90e8\u3002<\/td>\n<td align=\"left\"><img alt=\"Actor\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-sequence-diagram\/02-actor.png\"\/><\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u751f\u547d\u7ebf<\/strong><\/td>\n<td align=\"left\">\u4e00\u6761\u865a\u7ebf\uff0c\u8868\u793a\u4ea4\u4e92\u4e2d\u7684\u4e00\u4e2a\u72ec\u7acb\u53c2\u4e0e\u8005\uff08\u5bf9\u8c61\u6216\u53c2\u4e0e\u8005\uff09\u3002<\/td>\n<td align=\"left\"><img alt=\"Lifeline\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-sequence-diagram\/03-lifeline.png\"\/><\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u6fc0\u6d3b\uff08\u63a7\u5236\u7126\u70b9\uff09<\/strong><\/td>\n<td align=\"left\">\u751f\u547d\u7ebf\u4e0a\u7684\u4e00\u6761\u7ec6\u957f\u77e9\u5f62\uff0c\u8868\u793a\u4e00\u4e2a\u5143\u7d20\u6267\u884c\u64cd\u4f5c\u7684\u671f\u95f4\u3002\u9876\u90e8\u4e0e\u5f00\u59cb\u5bf9\u9f50\uff0c\u5e95\u90e8\u4e0e\u5b8c\u6210\u5bf9\u9f50\u3002<\/td>\n<td align=\"left\"><img alt=\"Activation\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-sequence-diagram\/04-activation.png\"\/><\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u8c03\u7528\u6d88\u606f<\/strong><\/td>\n<td align=\"left\">\u4e00\u4e2a\u5b9e\u5fc3\u7bad\u5934\uff0c\u7bad\u5934\u5934\u4e3a\u5b9e\u5fc3\uff0c\u8868\u793a\u5bf9\u76ee\u6807\u751f\u547d\u7ebf\u4e0a\u7684\u64cd\u4f5c\u7684\u8c03\u7528\u3002<\/td>\n<td align=\"left\"><img alt=\"Call Message\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-sequence-diagram\/05-call-message.png\"\/><\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u8fd4\u56de\u6d88\u606f<\/strong><\/td>\n<td align=\"left\">\u4e00\u6761\u865a\u7ebf\u7bad\u5934\uff0c\u7bad\u5934\u5934\u4e3a\u7a7a\u5fc3\uff0c\u8868\u793a\u8fd4\u56de\u7ed9\u8c03\u7528\u8005\u7684\u76f8\u5173\u4fe1\u606f\u3002<\/td>\n<td align=\"left\"><img alt=\"Return Message\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-sequence-diagram\/06-return-message.png\"\/><\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u81ea\u6d88\u606f<\/strong><\/td>\n<td align=\"left\">\u53d1\u9001\u8005\u548c\u63a5\u6536\u8005\u4e3a\u540c\u4e00\u6761\u751f\u547d\u7ebf\u7684\u6d88\u606f\uff0c\u901a\u5e38\u8868\u793a\u5185\u90e8\u5904\u7406\u3002<\/td>\n<td align=\"left\"><img alt=\"Self-Message\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-sequence-diagram\/07-self-message.png\"\/><\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u521b\u5efa\u6d88\u606f<\/strong><\/td>\n<td align=\"left\">\u4e00\u6761\u865a\u7ebf\u7bad\u5934\u6307\u5411\u65b0\u751f\u547d\u7ebf\u7684\u5934\u90e8\uff0c\u8868\u793a\u5bf9\u8c61\u5b9e\u4f8b\u5316\u3002<\/td>\n<td align=\"left\"><img alt=\"Create Message\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-sequence-diagram\/09-create-message.png\"\/><\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u9500\u6bc1\u6d88\u606f<\/strong><\/td>\n<td align=\"left\">\u4e00\u6761\u7bad\u5934\u5728\u76ee\u6807\u751f\u547d\u7ebf\u4e0a\u4ee5\u4e00\u4e2a\u5927\u201cX\u201d\u7ed3\u675f\uff0c\u8868\u793a\u5bf9\u8c61\u6b63\u5728\u88ab\u9500\u6bc1\u3002<\/td>\n<td align=\"left\"><img alt=\"Destroy Message\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-sequence-diagram\/10-destroy-message.png\"\/><\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u6ce8\u91ca<\/strong><\/td>\n<td align=\"left\">\u9644\u52a0\u5230\u5143\u7d20\u4e0a\u7684\u6ce8\u91ca\u6846\uff0c\u7528\u4e8e\u63d0\u4f9b\u989d\u5916\u4e0a\u4e0b\u6587\uff0c\u4f46\u4e0d\u5177\u6709\u8bed\u4e49\u610f\u4e49\u3002<\/td>\n<td align=\"left\"><img alt=\"Note\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-sequence-diagram\/12-note.png\"\/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u6d88\u606f\u4e0e\u63a7\u5236\u7126\u70b9<\/h3>\n<p>\u4e00\u4e2a\u00a0<strong>\u4e8b\u4ef6<\/strong>\u00a0\u662f\u4ea4\u4e92\u8fc7\u7a0b\u4e2d\u4efb\u4f55\u4e8b\u4ef6\u53d1\u751f\u7684\u65f6\u95f4\u70b9\u3002\u00a0<strong>\u63a7\u5236\u7126\u70b9<\/strong>\u00a0\uff08\u6216\u6267\u884c\u53d1\u751f\uff09\u901a\u8fc7\u6fc0\u6d3b\u6761\u8fdb\u884c\u89c6\u89c9\u8868\u793a\u3002\u5b83\u7cbe\u786e\u5730\u7a81\u51fa\u663e\u793a\u5bf9\u8c61\u6b63\u5728\u6267\u884c\u4efb\u52a1\u7684\u65f6\u523b\u3002<\/p>\n<p><img alt=\"Message and Focus of Control\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-sequence-diagram\/13-message-and-focus-of-control.png\"\/><\/p>\n<hr\/>\n<h2>\u4f7f\u7528 PlantUML \u7684\u5b9e\u9645\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 PlantUML \u8bed\u6cd5\u6f14\u793a\u5982\u4f55\u5efa\u6a21\u5404\u79cd\u573a\u666f\u7684\u5168\u9762\u793a\u4f8b\u3002<\/p>\n<h3>\u793a\u4f8b 1\uff1a\u57fa\u672c\u9152\u5e97\u9884\u8ba2\u7cfb\u7edf<\/h3>\n<p>\u6b64\u793a\u4f8b\u6a21\u62df\u4e86\u7ecf\u5178\u7684\u9152\u5e97\u9884\u8ba2\u573a\u666f\uff0c\u5c55\u793a\u4e86\u7528\u6237\u754c\u9762\u3001\u9884\u8ba2\u7cfb\u7edf\u548c\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002<\/p>\n<p id=\"ZMfzgwS\"><img alt=\"\" class=\"alignnone size-full wp-image-2336\" decoding=\"async\" height=\"871\" sizes=\"(max-width: 1918px) 100vw, 1918px\" src=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75a9d3ca2b7.png\" srcset=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75a9d3ca2b7.png 1918w, https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75a9d3ca2b7-300x136.png 300w, https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75a9d3ca2b7-1024x465.png 1024w, https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75a9d3ca2b7-768x349.png 768w, https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75a9d3ca2b7-1536x698.png 1536w\" width=\"1918\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:ZLDBQiCm4DqRV8V1Yv92Se4iGfgu7wzAu-O0YZnfH6N9IEC4txuZVq2cq7Gtijvldl3Mat3KrZfDI956UBE46WxeqLq5AMkWx3nX3IlO2Qyal6XxIvCq4PAiW-orHKyP20_zb2ODwocf6c48ibZdMFImO_47Pl3gSSEO9fKWSH8U8HkYvUEv1-Mx4ALtXjM6jM4DpuRGpJR8aOJIli-i-1ls8HZCb76xDUmlAB_XwSf8SL9QKRTWQ_HBSDRMdrs3Zv70b6ugPyDHMEIZHTV1WGapfOWO4ZDq5LiVa5fd9WO_GX3Wk1NEQ9FNj6YkVAD55_7Ucx3ld3ab3UioS-Xg3UN5teQW-ujL4ltl8alKA6a0FS3UchDozPqI7OQRgFn5QA_8b_0Lj0jpjl-eiHJNcGZFqhhgJerZme5Hv7VxYmr6BbR_wMugFZQSyK8pQR95K_6VzGC0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\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><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 PlantUML<\/span><br \/>\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\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:ZPDDQi907CNtWTnXS6L1B-2YY0Z5TUa1KiqYe5RCMEXEeOB55g6QAlWHJ0srq4RxASRMNCQP9BVeP2OfaPRQRNY_zzx_CKdAK2Z3IY7FSr22UH6uzMjaTbtjt34q-sLbhrGG1qWryU01lzNiQPFdU4x8mfCoY213svXc10WoEAY8CkIv4Z6Jib99A48GyKsKItUeKT5HvdS5ZQ6AmpCPYWMUombGE1PaaKXe7wpCyPM1p3PLfLDU2He9ull45YI0iswZkiuCDzOOrsQqfdGgG9464nNHiW2YnxTLhEgeDRCxKrozY-AkZWTg3E26XKRDlH0STF9HOf9EUGQgximq8dUxhzys8SmhIOJnSAXZTL1_vAifIKuLjv0W9RWBzzRsn6I8Mxrmnyij92ZdNKSGjaa2e2U5K2o2KBXv_tCnzjq_OFbkZmt7cFmz6chqqSfa8qSPcKd707i7RFL_BBUnXkYnnrmSOuu-bHspiMhsnmrgBNOEndpHuZauQFTQR6Ec3zvEYFA6uBcaMCoH_-GB\" \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 Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\ntitle \u9152\u5e97\u9884\u8ba2\u7cfb\u7edf - \u57fa\u672c\u6d41\u7a0b\r\n\r\nactor \"\u5ba2\u4eba\" as Guest\r\nparticipant \"\u9884\u8ba2\u754c\u9762\" as UI\r\nparticipant \"\u9884\u8ba2\u7cfb\u7edf\" as System\r\ndatabase \"\u9152\u5e97\u6570\u636e\u5e93\" as DB\r\n\r\nGuest -&gt; UI : \u8f93\u5165\u9884\u8ba2\u4fe1\u606f\r\nactivate UI\r\nUI -&gt; System : \u68c0\u67e5\u53ef\u7528\u6027(\u65e5\u671f, \u623f\u578b)\r\nactivate System\r\nSystem -&gt; DB : \u67e5\u8be2\u623f\u95f4\u53ef\u7528\u6027\r\nactivate DB\r\nDB --&gt; System : \u8fd4\u56de\u53ef\u7528\u623f\u95f4\r\ndeactivate DB\r\nSystem --&gt; UI : \u663e\u793a\u53ef\u7528\u9009\u9879\r\ndeactivate System\r\nUI --&gt; Guest : \u5c55\u793a\u623f\u95f4\u9009\u62e9\r\n\r\nGuest -&gt; UI : \u9009\u62e9\u623f\u95f4\u5e76\u786e\u8ba4\r\nactivate UI\r\nUI -&gt; System : \u521b\u5efa\u9884\u8ba2(\u623f\u95f4ID, \u5ba2\u4eba\u4fe1\u606f)\r\nactivate System\r\nSystem -&gt; DB : \u4fdd\u5b58\u9884\u8ba2\u8bb0\u5f55\r\nactivate DB\r\nDB --&gt; System : \u786e\u8ba4\u7f16\u53f7\r\ndeactivate DB\r\nSystem --&gt; UI : \u9884\u8ba2\u5df2\u786e\u8ba4\r\ndeactivate System\r\nUI --&gt; Guest : \u663e\u793a\u786e\u8ba4\u4fe1\u606f\r\ndeactivate UI\r\n\r\n@enduml\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:ZPDDQi907CNtWTnXS6L1B-2YY0Z5TUa1KiqYe5RCMEXEeOB55g6QAlWHJ0srq4RxASRMNCQP9BVeP2OfaPRQRNY_zzx_CKdAK2Z3IY7FSr22UH6uzMjaTbtjt34q-sLbhrGG1qWryU01lzNiQPFdU4x8mfCoY213svXc10WoEAY8CkIv4Z6Jib99A48GyKsKItUeKT5HvdS5ZQ6AmpCPYWMUombGE1PaaKXe7wpCyPM1p3PLfLDU2He9ull45YI0iswZkiuCDzOOrsQqfdGgG9464nNHiW2YnxTLhEgeDRCxKrozY-AkZWTg3E26XKRDlH0STF9HOf9EUGQgximq8dUxhzys8SmhIOJnSAXZTL1_vAifIKuLjv0W9RWBzzRsn6I8Mxrmnyij92ZdNKSGjaa2e2U5K2o2KBXv_tCnzjq_OFbkZmt7cFmz6chqqSfa8qSPcKd707i7RFL_BBUnXkYnnrmSOuu-bHspiMhsnmrgBNOEndpHuZauQFTQR6Ec3zvEYFA6uBcaMCoH_-GB\" \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 Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:ZLDBQiCm4DqRV8V1Yv92Se4iGfgu7wzAu-O0YZnfH6N9IEC4txuZVq2cq7Gtijvldl3Mat3KrZfDI956UBE46WxeqLq5AMkWx3nX3IlO2Qyal6XxIvCq4PAiW-orHKyP20_zb2ODwocf6c48ibZdMFImO_47Pl3gSSEO9fKWSH8U8HkYvUEv1-Mx4ALtXjM6jM4DpuRGpJR8aOJIli-i-1ls8HZCb76xDUmlAB_XwSf8SL9QKRTWQ_HBSDRMdrs3Zv70b6ugPyDHMEIZHTV1WGapfOWO4ZDq5LiVa5fd9WO_GX3Wk1NEQ9FNj6YkVAD55_7Ucx3ld3ab3UioS-Xg3UN5teQW-ujL4ltl8alKA6a0FS3UchDozPqI7OQRgFn5QA_8b_0Lj0jpjl-eiHJNcGZFqhhgJerZme5Hv7VxYmr6BbR_wMugFZQSyK8pQR95K_6VzGC0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\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><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 PlantUML<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3>\u793a\u4f8b 2\uff1a\u4f7f\u7528\u7ec4\u5408\u7247\u6bb5\u7684\u9ad8\u7ea7\u903b\u8f91<\/h3>\n<p>\u73b0\u5b9e\u4e16\u754c\u4e2d\u7684\u7cfb\u7edf\u6d89\u53ca\u6761\u4ef6\u3001\u5faa\u73af\u548c\u53ef\u9009\u6b65\u9aa4\u3002UML 2.0 \u5f15\u5165\u4e86\u00a0<strong>\u7ec4\u5408\u7247\u6bb5<\/strong>\u00a0\u4ee5\u5904\u7406\u8fd9\u4e9b\u590d\u6742\u6027\u3002<\/p>\n<p><strong>\u5e38\u7528\u7247\u6bb5\u64cd\u4f5c\u7b26\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>alt<\/strong>: \u66ff\u4ee3\u8def\u5f84\uff08if\/else\uff09\u3002<\/p>\n<\/li>\n<li>\n<p><strong>opt<\/strong>: \u53ef\u9009\u8def\u5f84\uff08if\uff09\u3002<\/p>\n<\/li>\n<li>\n<p><strong>loop<\/strong>: \u91cd\u590d\u6267\u884c\u3002<\/p>\n<\/li>\n<li>\n<p><strong>ref<\/strong>: \u5bf9\u53e6\u4e00\u4e2a\u56fe\u8868\u7684\u5f15\u7528\u3002<\/p>\n<\/li>\n<\/ul>\n<p id=\"kldTdxn\"><img alt=\"\" class=\"alignnone size-full wp-image-2337\" decoding=\"async\" height=\"871\" sizes=\"(max-width: 1912px) 100vw, 1912px\" src=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aa333930d.png\" srcset=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aa333930d.png 1912w, https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aa333930d-300x137.png 300w, https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aa333930d-1024x466.png 1024w, https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aa333930d-768x350.png 768w, https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aa333930d-1536x700.png 1536w\" width=\"1912\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:VLHBRzim3BuRy7yWV5g1zjHR3aFpAbQW1OfcwvsHk5Y8B1aIdQp_VhIK9evhD1SduiVlGT5vY8o1kyQM1Hks17yY1NZsE-FWQBY6TGW-m2zqsXgt0tbArRUnBCe25Kkjwbigm9Xwow8LGgDCYuwXoaolkAE4wB-C4FDEL3OK3aPbJ7zG5XePjnWfqyDgaMghHQ-RJkv-9ZQOmTgn_5u6qkJOe8t9cJaWqqam0QKXQStW7QqHVlhH2P73XcwXnHYFFkYRGMys8WUMSykr1iWd4GhnQY6qZyIgpWDy3VwliPH1PyBUVNyWwBkBcvnFukQYfY_uh789d8UwwPIY6E6ttvFBm9nJW8bp1c-aJI35m5uKOhtr67HPa9MvFhd3Tva6uqqRy29IQPPJEYiJMuiVK7sI9eULA3dTJt2GwNIxDBgXil0jYz-6cYtrQh2iIUr9Py7HZQSQL0DuDJHs7kr6zfDakM8qti7I-xsXwP2v9b0-cxQovl22_-0UvipKj1mdpRmHXu-SEDUtWN0FSwLy9ml-x2yn9YpcA8yesw97EbC-hrab878Nn-INYzdK_YYls5NJQLGfvIdgWppbF-0_\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\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><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 Plantuml<\/span><br \/>\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\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:RLHDRjf05DvRyXr6MRLIi-gkYofDSu1kUe196BKe15juQBUcIXj38I4Df061KbeJ8TJOj4f25NvwbuWPZrUvGfzd223NtY3vVU_xUyWR5iKvcj_Bw1fDqmn1GQt7dM7G6B59_Nxii3yNOQqXV9-v-q7r4_jIPjD-SEZVZukwfcjuXnevjAQMrX2sq6kBv7JD1DBqJjh4MGfJIHPshiFsTubvXT-G64Puhl0Bl5LXfOx4lCZJjxgMmXHlOuiyIF3wW5SyTdiYCLkRaOT84Qq_bwpe6HBJ4_Qnomuk0IWDfjzXIkQQ4WFOY1smORyCge_om935U-G9Ch5blJTogSShcye9lCXGn5j5NdSUo14yaWaOjpOZxSCXEpfLLiNrFZzjAD22At8SlG3q-jB6QZOrJv7_LfJGCgTgbJjLLZgVZToWM5Ou5H5miXV8U51XNfDLZvapc8twejFZxR-wHZBGAl_wBJ7EKaKTdzyulE0dy_EpQU3UtjcjkI59UMUtGIARYdfRoJ8_AebTHTSCaoBX3MQJ8-uSi-5lzdaQsaKb6Bkl6e7U0Y_5bjOMjRBBC_QXDnitXTz6BmrZDqsIGweP0btXJOE9jx2UCGmJRcupjya6RU7NqLF4VtOIVK7F050bAC1sZk1T9AukuBZ07TOAS0WrId3BVzZylClSN-AggyH02VuJouMuxHXpKBhXTY7Edt2esDwYFXbwddm3Vk6hy0y0\" \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 Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\ntitle \u7528\u6237\u767b\u5f55\uff08\u5e26\u9519\u8bef\u5904\u7406\u548c\u5faa\u73af\uff09\r\n\r\nactor \"\u7528\u6237\" as User\r\nparticipant \"\u767b\u5f55\u9875\u9762\" as Page\r\nparticipant \"\u8ba4\u8bc1\u670d\u52a1\" as Auth\r\ndatabase \"\u7528\u6237\u6570\u636e\u5e93\" as DB\r\n\r\nUser -&gt; Page : \u8f93\u5165\u51ed\u636e\r\nactivate Page\r\nPage -&gt; Auth : \u9a8c\u8bc1(username, password)\r\nactivate Auth\r\n\r\nalt \u6709\u6548\u51ed\u636e\r\n    Auth -&gt; DB : \u83b7\u53d6\u7528\u6237\u8d44\u6599\r\n    activate DB\r\n    DB --&gt; Auth : \u7528\u6237\u6570\u636e\r\n    deactivate DB\r\n    Auth --&gt; Page : \u767b\u5f55\u6210\u529f\u4ee4\u724c\r\n    Page --&gt; User : \u91cd\u5b9a\u5411\u5230\u4eea\u8868\u677f\r\nelse \u65e0\u6548\u51ed\u636e\r\n    Auth --&gt; Page : \u9519\u8bef\u6d88\u606f\r\n    Page --&gt; User : \u663e\u793a\u201c\u767b\u5f55\u65e0\u6548\u201d\r\nend\r\n\r\ndeactivate Auth\r\ndeactivate Page\r\n\r\nopt \u8bb0\u4f4f\u6211\u5df2\u52fe\u9009\r\n    User -&gt; Page : \u52fe\u9009\u201c\u8bb0\u4f4f\u6211\u201d\r\n    Page -&gt; Auth : \u5b58\u50a8\u4f1a\u8bdd Cookie\r\n    Auth --&gt; Page : Cookie \u5df2\u8bbe\u7f6e\r\nend\r\n\r\nloop \u6700\u591a\u5c1d\u8bd5 3 \u6b21\r\n    User -&gt; Page : \u91cd\u8bd5\u767b\u5f55\r\n    break \u8d26\u6237\u5df2\u9501\u5b9a\r\n        Page -&gt; Auth : \u68c0\u67e5\u5931\u8d25\u5c1d\u8bd5\u6b21\u6570\r\n        Auth --&gt; Page : \u8d26\u6237\u5df2\u9501\u5b9a\u72b6\u6001\r\n        Page --&gt; User : \u663e\u793a\u201c\u8d26\u6237\u5df2\u9501\u5b9a\u201d\r\n    end\r\nend\r\n\r\n@enduml\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:RLHDRjf05DvRyXr6MRLIi-gkYofDSu1kUe196BKe15juQBUcIXj38I4Df061KbeJ8TJOj4f25NvwbuWPZrUvGfzd223NtY3vVU_xUyWR5iKvcj_Bw1fDqmn1GQt7dM7G6B59_Nxii3yNOQqXV9-v-q7r4_jIPjD-SEZVZukwfcjuXnevjAQMrX2sq6kBv7JD1DBqJjh4MGfJIHPshiFsTubvXT-G64Puhl0Bl5LXfOx4lCZJjxgMmXHlOuiyIF3wW5SyTdiYCLkRaOT84Qq_bwpe6HBJ4_Qnomuk0IWDfjzXIkQQ4WFOY1smORyCge_om935U-G9Ch5blJTogSShcye9lCXGn5j5NdSUo14yaWaOjpOZxSCXEpfLLiNrFZzjAD22At8SlG3q-jB6QZOrJv7_LfJGCgTgbJjLLZgVZToWM5Ou5H5miXV8U51XNfDLZvapc8twejFZxR-wHZBGAl_wBJ7EKaKTdzyulE0dy_EpQU3UtjcjkI59UMUtGIARYdfRoJ8_AebTHTSCaoBX3MQJ8-uSi-5lzdaQsaKb6Bkl6e7U0Y_5bjOMjRBBC_QXDnitXTz6BmrZDqsIGweP0btXJOE9jx2UCGmJRcupjya6RU7NqLF4VtOIVK7F050bAC1sZk1T9AukuBZ07TOAS0WrId3BVzZylClSN-AggyH02VuJouMuxHXpKBhXTY7Edt2esDwYFXbwddm3Vk6hy0y0\" \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 Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:VLHBRzim3BuRy7yWV5g1zjHR3aFpAbQW1OfcwvsHk5Y8B1aIdQp_VhIK9evhD1SduiVlGT5vY8o1kyQM1Hks17yY1NZsE-FWQBY6TGW-m2zqsXgt0tbArRUnBCe25Kkjwbigm9Xwow8LGgDCYuwXoaolkAE4wB-C4FDEL3OK3aPbJ7zG5XePjnWfqyDgaMghHQ-RJkv-9ZQOmTgn_5u6qkJOe8t9cJaWqqam0QKXQStW7QqHVlhH2P73XcwXnHYFFkYRGMys8WUMSykr1iWd4GhnQY6qZyIgpWDy3VwliPH1PyBUVNyWwBkBcvnFukQYfY_uh789d8UwwPIY6E6ttvFBm9nJW8bp1c-aJI35m5uKOhtr67HPa9MvFhd3Tva6uqqRy29IQPPJEYiJMuiVK7sI9eULA3dTJt2GwNIxDBgXil0jYz-6cYtrQh2iIUr9Py7HZQSQL0DuDJHs7kr6zfDakM8qti7I-xsXwP2v9b0-cxQovl22_-0UvipKj1mdpRmHXu-SEDUtWN0FSwLy9ml-x2yn9YpcA8yesw97EbC-hrab878Nn-INYzdK_YYls5NJQLGfvIdgWppbF-0_\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\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><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 Plantuml<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3>\u793a\u4f8b 3\uff1a\u5bf9\u8c61\u7684\u521b\u5efa\u4e0e\u9500\u6bc1<\/h3>\n<p>\u6b64\u793a\u4f8b\u5c55\u793a\u4e86\u5bf9\u8c61\u4ece\u521b\u5efa\u5230\u9500\u6bc1\u7684\u751f\u547d\u5468\u671f\u3002<\/p>\n<p id=\"XPXHiZo\"><img loading=\"lazy\" alt=\"\" class=\"alignnone size-full wp-image-2338\" decoding=\"async\" height=\"868\" loading=\"lazy\" sizes=\"auto, (max-width: 1915px) 100vw, 1915px\" src=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aa77bd963.png\" srcset=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aa77bd963.png 1915w, https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aa77bd963-300x136.png 300w, https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aa77bd963-1024x464.png 1024w, https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aa77bd963-768x348.png 768w, https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aa77bd963-1536x696.png 1536w\" width=\"1915\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">Plantuml<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:XPB1ReCm38RlIBo3rHCxz0Lsc3fr6ghK3gG-GPeObYc4AZ6hsDFFQIZGYcaNP9pVdtyxsNWIZhh6f0bfCWY5K-YWTAr4xxMjOGt5wGibmLvNA7jfC4tIvCnLMkgpi0IhM7CGLjJeLY0y58SbIJmA4ICV1ANe6-GW5uGNqL-bPHvQsPOGdAu_2TgAoV0Cns3wPZ9eEBj-6T6is3fa47pW9MQpfpIHCJSP6FNhK1p0SPATvQrOYOlaLwLWHzZuJFDthpqnMaZIt__1hrMX7jL4BdC-6IQ1OGcPQDhEtd73AbWwicxhEdOoxa3XdNR1-BksmkWVd1Ror_pRrbRQDNERCyuRUd9j7m0gXhEf7ovhgXeUKIxSYLy9jp26_sEBcVU9j46h-5t-0W00\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\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><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 Plantuml<\/span><br \/>\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\">Plantuml<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:XP9DJi9068RtJNg72IjSS04NXXqR3LoXqb77q9QqWuaxZ3yX41D8gj6KW3KaiceH4maYd8Pl2hTmXZ4KI8tRzdcVxs-o3jLiMZ5Aga89BM6q25xX_W5wDr7p3cKGXEF5kn-vNMXDeTLdxQwgg4gPPqYHb3MJefHCH87F4_3SJo7DGVcZH4Z-itLivu_FTmZcXlF9KpHjmUt7YYlaH2dJeXZPvFIC8kk4Uz4-Wkygl3LaYmBX7pC7Qwq0QXvCljZZG5PDxwbAqSOQ5yMrrtX6P8NsT_AWCvyr4hLiD87woz8VHrwG9XGRXyIXtAqLARdupovZC1fAIroWa1CThuQHAqXhXbKnjyHY5PnRooJ8QaseytleU0jCw3poWqNGYxVnv_2ZeKGJBKktoi8haTUnGsthScFWdJDjt6BrWBWOEjVGde7NOUwdq6zq7MkosDJvO_m1\" \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 Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\ntitle \u8ba2\u5355\u5904\u7406 - \u5bf9\u8c61\u751f\u547d\u5468\u671f\r\n\r\nparticipant \"\u8ba2\u5355\u7ba1\u7406\u5668\" as OM\r\nparticipant \"\u8ba2\u5355\" as OrderObj\r\nparticipant \"\u652f\u4ed8\u7f51\u5173\" as PG\r\n\r\nnote right of OM : \u5f00\u59cb\u5904\u7406\r\n\r\nOM -&gt; OrderObj : \u521b\u5efa\u65b0\u8ba2\u5355()\r\ncreate OrderObj\r\nOrderObj --&gt; OM : \u8ba2\u5355\u5b9e\u4f8b\r\n\r\nOM -&gt; OrderObj : \u6dfb\u52a0\u9879\u76ee(itemList)\r\nactivate OrderObj\r\nOrderObj --&gt; OM : \u9879\u76ee\u5df2\u6dfb\u52a0\r\n\r\nOM -&gt; PG : \u5904\u7406\u652f\u4ed8(amount)\r\nactivate PG\r\nPG --&gt; OM : \u652f\u4ed8\u6210\u529f\r\ndeactivate PG\r\n\r\nOM -&gt; OrderObj : \u786e\u8ba4\u8ba2\u5355()\r\nOrderObj --&gt; OM : \u8ba2\u5355\u5df2\u786e\u8ba4\r\n\r\nOM -&gt; OrderObj : \u9500\u6bc1()\r\ndestroy OrderObj\r\nnote right of OrderObj : \u5bf9\u8c61\u5df2\u5783\u573e\u56de\u6536\r\n\r\ndeactivate OrderObj\r\n@enduml\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:XP9DJi9068RtJNg72IjSS04NXXqR3LoXqb77q9QqWuaxZ3yX41D8gj6KW3KaiceH4maYd8Pl2hTmXZ4KI8tRzdcVxs-o3jLiMZ5Aga89BM6q25xX_W5wDr7p3cKGXEF5kn-vNMXDeTLdxQwgg4gPPqYHb3MJefHCH87F4_3SJo7DGVcZH4Z-itLivu_FTmZcXlF9KpHjmUt7YYlaH2dJeXZPvFIC8kk4Uz4-Wkygl3LaYmBX7pC7Qwq0QXvCljZZG5PDxwbAqSOQ5yMrrtX6P8NsT_AWCvyr4hLiD87woz8VHrwG9XGRXyIXtAqLARdupovZC1fAIroWa1CThuQHAqXhXbKnjyHY5PnRooJ8QaseytleU0jCw3poWqNGYxVnv_2ZeKGJBKktoi8haTUnGsthScFWdJDjt6BrWBWOEjVGde7NOUwdq6zq7MkosDJvO_m1\" \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 Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:XPB1ReCm38RlIBo3rHCxz0Lsc3fr6ghK3gG-GPeObYc4AZ6hsDFFQIZGYcaNP9pVdtyxsNWIZhh6f0bfCWY5K-YWTAr4xxMjOGt5wGibmLvNA7jfC4tIvCnLMkgpi0IhM7CGLjJeLY0y58SbIJmA4ICV1ANe6-GW5uGNqL-bPHvQsPOGdAu_2TgAoV0Cns3wPZ9eEBj-6T6is3fa47pW9MQpfpIHCJSP6FNhK1p0SPATvQrOYOlaLwLWHzZuJFDthpqnMaZIt__1hrMX7jL4BdC-6IQ1OGcPQDhEtd73AbWwicxhEdOoxa3XdNR1-BksmkWVd1Ror_pRrbRQDNERCyuRUd9j7m0gXhEf7ovhgXeUKIxSYLy9jp26_sEBcVU9j46h-5t-0W00\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\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><br \/>\n<span>\u5728 VPasCode \u4e2d\u7f16\u8f91 Plantuml<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<hr\/>\n<h2>\u5e8f\u5217\u7247\u6bb5\u6df1\u5165\u89e3\u6790<\/h2>\n<p><a href=\"https:\/\/www.visual-paradigm.com\/guide\/mastering-uml-sequence-diagrams-a-comprehensive-guide-from-basic-notation-to-advanced-decomposition\/\">\u5e8f\u5217\u7247\u6bb5<\/a> \u5141\u8bb8\u4f60\u5728\u4e0d\u4f7f\u4e3b\u6d41\u7a0b\u6df7\u4e71\u7684\u60c5\u51b5\u4e0b\u5efa\u6a21\u590d\u6742\u903b\u8f91\u3002\u7247\u6bb5\u901a\u8fc7\u4e00\u4e2a\u6846\uff08\u6846\u67b6\uff09\u6765\u8868\u793a\uff0c\u8be5\u6846\u5305\u56f4\u4e86\u4ea4\u4e92\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<p><img alt=\"Fragment\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-sequence-diagram\/14-fragment.png\"\/><\/p>\n<table>\n<thead>\n<tr>\n<th align=\"left\">\u64cd\u4f5c\u7b26<\/th>\n<th align=\"left\">\u7247\u6bb5\u7c7b\u578b<\/th>\n<th align=\"left\">\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"left\"><strong>alt<\/strong><\/td>\n<td align=\"left\">\u66ff\u4ee3<\/td>\n<td align=\"left\">\u591a\u4e2a\u7247\u6bb5\u4e2d\uff0c\u4ec5\u6839\u636e\u6761\u4ef6\u6267\u884c\u5176\u4e2d\u4e00\u4e2a\uff08\u7c7b\u4f3c\u4e8e if-else\uff09\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>opt<\/strong><\/td>\n<td align=\"left\">\u53ef\u9009<\/td>\n<td align=\"left\">\u4ec5\u5728\u6761\u4ef6\u4e3a\u771f\u65f6\u6267\u884c\uff08\u7c7b\u4f3c\u4e8e\u7b80\u5355\u7684 if \u8bed\u53e5\uff09\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>par<\/strong><\/td>\n<td align=\"left\">\u5e76\u884c<\/td>\n<td align=\"left\">\u7247\u6bb5\u5e76\u884c\u8fd0\u884c\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>loop<\/strong><\/td>\n<td align=\"left\">\u5faa\u73af<\/td>\n<td align=\"left\">\u6839\u636e\u5b88\u536b\u6761\u4ef6\u591a\u6b21\u6267\u884c\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>break<\/strong><\/td>\n<td align=\"left\">Break<\/td>\n<td align=\"left\">\u5982\u679c\u6ee1\u8db3\u6761\u4ef6\uff0c\u5219\u9000\u51fa\u5468\u56f4\u4ea4\u4e92\uff08\u5f02\u5e38\u5904\u7406\uff09\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>ref<\/strong><\/td>\n<td align=\"left\">Reference<\/td>\n<td align=\"left\">\u5f15\u7528\u5728\u53e6\u4e00\u4e2a\u56fe\u4e2d\u5b9a\u4e49\u7684\u4ea4\u4e92\uff0c\u4ee5\u5b9e\u73b0\u6a21\u5757\u5316\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u7ec4\u5408\u7247\u6bb5\u793a\u4f8b<\/h3>\n<p><img alt=\"Combined Fragment example\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-sequence-diagram\/15-combined-fragment-example.png\"\/><\/p>\n<hr\/>\n<h2><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/83684_produceuseca.html\">\u5efa\u6a21\u7528\u4f8b\u573a\u666f<\/a><\/h2>\n<p><a href=\"https:\/\/www.visual-paradigm.com\/guide\/mastering-uml-sequence-diagrams-a-comprehensive-guide-from-basic-notation-to-advanced-decomposition\/\">\u5e8f\u5217\u56fe<\/a>\u5728\u9700\u6c42\u5de5\u7a0b\u4e2d\u88ab\u5e7f\u6cdb\u4f7f\u7528\uff0c\u4ee5\u5c06\u7528\u4f8b\u7ec6\u5316\u4e3a\u5177\u4f53\u573a\u666f\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u7528\u4f8b\uff1a<\/strong>\u53c2\u4e0e\u8005\u4e0e\u7cfb\u7edf\u4e4b\u95f4\u4ea4\u4e92\u7684\u96c6\u5408\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u573a\u666f\uff1a<\/strong>\u7528\u4f8b\u4e2d\u7684\u5355\u4e00\u8def\u5f84\uff08\u4f8b\u5982\uff0c\u201c\u6b63\u5e38\u8def\u5f84\u201d\u6216\u201c\u9519\u8bef\u8def\u5f84\u201d\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<p><img alt=\"Sequence Diagram for Use Case\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-sequence-diagram\/16-sequence-diagram-for-use-case.png\"\/><\/p>\n<p>\u901a\u8fc7\u5c06\u6bcf\u4e2a\u573a\u666f\u6620\u5c04\u5230\u5e8f\u5217\u56fe\uff0c\u56e2\u961f\u53ef\u4ee5\u5728\u5f00\u53d1\u5f00\u59cb\u524d\u786e\u4fdd\u6240\u6709\u529f\u80fd\u9700\u6c42\u90fd\u5f97\u5230\u8003\u8651\u3002<\/p>\n<hr\/>\n<h2>\u4e3a\u4ec0\u4e48\u8981\u5728\u7f16\u7801\u524d\u5efa\u6a21\uff1f<\/h2>\n<p>\u4f60\u53ef\u80fd\u4f1a\u95ee\uff0c<em>\u201c\u65e2\u7136\u6211\u53ef\u4ee5\u76f4\u63a5\u5199\u4ee3\u7801\uff0c\u4e3a\u4ec0\u4e48\u8fd8\u8981\u753b\u56fe\u5462\uff1f\u201d<\/em>\u4ee5\u4e0b\u662f\u4e3b\u8981\u4f18\u52bf\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u62bd\u8c61\uff1a<\/strong>\u5e8f\u5217\u56fe\u5728\u7565\u9ad8\u4e8e\u4ee3\u7801\u7684\u5c42\u6b21\u4e0a\u8fd0\u884c\uff0c\u5173\u6ce8\u903b\u8f91\u6d41\u7a0b\u800c\u975e\u8bed\u6cd5\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8bed\u8a00\u65e0\u5173\u6027\uff1a<\/strong>\u65e0\u8bba\u4f7f\u7528\u4f55\u79cd\u7f16\u7a0b\u8bed\u8a00\uff08Java\u3001Python\u3001C#\u7b49\uff09\uff0c\u5229\u76ca\u76f8\u5173\u8005\u90fd\u80fd\u7406\u89e3\u5b83\u4eec\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u534f\u4f5c\uff1a<\/strong>\u975e\u7a0b\u5e8f\u5458\uff08\u4ea7\u54c1\u7ecf\u7406\u3001\u4e1a\u52a1\u5206\u6790\u5e08\uff09\u53ef\u4ee5\u53c2\u4e0e\u5e76\u9a8c\u8bc1\u903b\u8f91\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6d4b\u8bd5\u4e0e\u7528\u6237\u4f53\u9a8c\uff1a<\/strong>\u5b83\u4eec\u53ef\u4f5c\u4e3a\u6d4b\u8bd5\u7528\u4f8b\u7684\u4f18\u79c0\u84dd\u56fe\uff0c\u5e76\u901a\u8fc7\u660e\u786e\u7cfb\u7edf\u54cd\u5e94\u6765\u6307\u5bfc\u7528\u6237\u4f53\u9a8c\u539f\u578b\u8bbe\u8ba1\u3002<\/p>\n<\/li>\n<\/ol>\n<hr\/>\n<h2>\u7ed3\u8bba<\/h2>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/understanding-sequence-diagram-notation-in-uml\/\">UML\u5e8f\u5217\u56fe<\/a> \u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u53ef\u89c6\u5316<a href=\"https:\/\/www.visual-paradigm.com\/guide\/sysml\/modeling-scenarios-with-sequence-diagram\/\">\u7cfb\u7edf\u7684\u52a8\u6001\u884c\u4e3a<\/a>\u3002\u901a\u8fc7\u638c\u63e1\u751f\u547d\u7ebf\u3001\u6fc0\u6d3b\u3001\u6d88\u606f\u548c\u7ec4\u5408\u7247\u6bb5\u7b49\u7b26\u53f7\uff0c\u60a8\u53ef\u4ee5\u6e05\u6670\u5730\u5411\u56e2\u961f\u6210\u5458\u4f20\u8fbe\u590d\u6742\u7684\u4ea4\u4e92\u3002\u65e0\u8bba\u60a8\u662f\u5728\u5efa\u6a21\u7b80\u5355\u7684\u767b\u5f55\u6d41\u7a0b\u8fd8\u662f\u590d\u6742\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\uff0c\u5e8f\u5217\u56fe\u90fd\u80fd\u5728\u9700\u6c42\u4e0e\u5b9e\u73b0\u4e4b\u95f4\u67b6\u8d77\u6865\u6881\u3002<\/p>\n<p>\u5bf9\u4e8e\u5e0c\u671b\u8f7b\u677e\u521b\u5efa\u4e13\u4e1a\u7ea7\u56fe\u8868\u7684\u7528\u6237\u6765\u8bf4\uff0c<a href=\"https:\/\/www.visual-paradigm.com\/features\/\"><strong>Visual Paradigm<\/strong>\u63d0\u4f9b\u4e86\u4e00\u5957\u529f\u80fd\u5f3a\u5927\u7684UML\u5efa\u6a21\u5de5\u5177<\/a>\u3002\u5176<a href=\"https:\/\/www.visual-paradigm.com\/solution\/freeumltool\/\">\u793e\u533a\u7248<\/a>\u662f\u4e00\u6b3e\u8363\u83b7\u56fd\u9645\u5956\u9879\u7684\u5efa\u6a21\u5de5\u5177\uff0c\u76f4\u89c2\u6613\u7528\u4e14\u5b8c\u5168\u514d\u8d39\uff0c\u662f\u5feb\u901f\u9ad8\u6548\u5b66\u4e60\u548c\u7ec3\u4e60UML\u7684\u7edd\u4f73\u9009\u62e9\u3002<\/p>\n<p class=\"\"><a href=\"https:\/\/www.visual-paradigm.com\/download\/community.jsp\">\u514d\u8d39\u4e0b\u8f7d Visual Paradigm \u793e\u533a\u7248<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 \u5728\u8f6f\u4ef6\u5de5\u7a0b\u548c\u7cfb\u7edf\u8bbe\u8ba1\u9886\u57df\uff0c\u7406\u89e3\u5982\u4f55\u7ec4\u4ef6\u4e4b\u95f4\u5982\u4f55\u4ea4\u4e92\uff0c\u4e0e&hellip;<\/p>\n","protected":false},"author":2,"featured_media":2024,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","fifu_image_url":"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/08\/img_6a75aaf73773e.png","fifu_image_alt":"","footnotes":""},"categories":[57,50],"tags":[],"class_list":["post-2023","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai","category-unified-modeling-language"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u638c\u63e1UML\u5e8f\u5217\u56fe\uff1a\u5efa\u6a21\u52a8\u6001\u4ea4\u4e92\u7684\u5168\u9762\u6307\u5357 - Ez Knowledge Simplified Chinese - 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