{"id":9302,"date":"2022-03-07T09:29:23","date_gmt":"2022-03-07T09:29:23","guid":{"rendered":"https:\/\/www.cybermedian.com\/cn\/?p=9302"},"modified":"2025-03-07T01:28:06","modified_gmt":"2025-03-07T01:28:06","slug":"uml-%e7%94%a8%e4%be%8b%e5%bb%ba%e6%a8%a1%e4%b8%ad%e7%9a%84%e7%94%a8%e4%be%8b%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/cn\/what-is-a-use-case-in-uml-use-case-modeling\/","title":{"rendered":"UML \u7528\u4f8b\u5efa\u6a21\u4e2d\u7684\u7528\u4f8b\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<h3><span id=\"What_is_a_Use_Case\">\u4ec0\u4e48\u662f\u7528\u4f8b\uff1f<\/span><\/h3>\n<div class=\"lwptoc lwptoc-right lwptoc-light lwptoc-notInherit\" data-smooth-scroll=\"1\" data-smooth-scroll-offset=\"24\" data-lwptoc-initialized=\"1\">\n<div class=\"lwptoc_i\">\n<div class=\"lwptoc_header\"><b class=\"lwptoc_title\">\u76ee\u5f55<\/b>\u00a0<span class=\"lwptoc_toggle\"><a class=\"lwptoc_toggle_label\" href=\"https:\/\/www.cybermedian.com\/what-is-a-use-case-in-uml-use-case-modeling\/#\" data-label=\"show\">\u9690\u85cf<\/a><\/span><span class=\"lwptoc_toggle\">\u00a0<\/span><\/div>\n<div class=\"lwptoc_items lwptoc_items-visible\">\n<div class=\"lwptoc_itemWrap\">\n<div class=\"lwptoc_item\"><a href=\"https:\/\/www.cybermedian.com\/what-is-a-use-case-in-uml-use-case-modeling\/#What_is_a_Use_Case\"><span class=\"lwptoc_item_number\">1<\/span>\u00a0<span class=\"lwptoc_item_label\">\u4ec0\u4e48\u662f\u7528\u4f8b\uff1f<\/span><\/a><\/div>\n<div class=\"lwptoc_item\"><a href=\"https:\/\/www.cybermedian.com\/what-is-a-use-case-in-uml-use-case-modeling\/#Use_Case_and_Use_Case_Scenarios\"><span class=\"lwptoc_item_number\">2<\/span>\u00a0<span class=\"lwptoc_item_label\">\u7528\u4f8b\u548c\u7528\u4f8b\u573a\u666f<\/span><\/a><\/div>\n<div class=\"lwptoc_item\"><a href=\"https:\/\/www.cybermedian.com\/what-is-a-use-case-in-uml-use-case-modeling\/#Use_Case_Variants\"><span class=\"lwptoc_item_number\">3<\/span>\u00a0<span class=\"lwptoc_item_label\">\u7528\u4f8b\u53d8\u4f53<\/span><\/a><\/div>\n<div class=\"lwptoc_item\"><a href=\"https:\/\/www.cybermedian.com\/what-is-a-use-case-in-uml-use-case-modeling\/#Levels_of_Detail_for_Use_Case_Modeling\"><span class=\"lwptoc_item_label\">\u7528\u4f8b\u5efa\u6a21\u7684<\/span><span class=\"lwptoc_item_number\">4\u4e2a\u7ec6\u8282\u5c42\u6b21<\/span><\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>\u6bcf\u5f53\u6211\u4eec\u8ba8\u8bba\u7cfb\u7edf\u7684\u9700\u6c42\u65f6\uff0c\u6211\u4eec\u90fd\u4f1a\u8ba4\u8bc6\u5230\u4e00\u4e2a\u6216\u591a\u4e2a\u4eba\u6216\u4e8b\u7269\u5bf9\u7cfb\u7edf\u7684\u884c\u4e3a\u611f\u5174\u8da3\u3002\u8fd9\u4e9b\u4eba\u88ab\u79f0\u4e3a\u7cfb\u7edf\u7684\u5229\u76ca\u76f8\u5173\u8005\uff08<strong>\u53c2\u4e0e\u8005<\/strong>\uff09\u3002<\/p>\n<p>\u7cfb\u7edf\u7684\u529f\u80fd\u7531\u4e0d\u540c\u7684<strong>\u7528\u4f8b<\/strong>\u5b9a\u4e49\uff0c\u6bcf\u4e2a\u7528\u4f8b\u4ee3\u8868\u7279\u5b9a\u53c2\u4e0e\u8005\u7684<strong>\u7279\u5b9a\u76ee\u6807<\/strong>\uff08\u83b7\u5f97\u53ef\u89c2\u5bdf\u503c\u7ed3\u679c\uff09\u3002\u7528\u4f8b\u63cf\u8ff0\u4e86\u4e00\u4e2a\uff08\u4e3b\u8981\u53c2\u4e0e\u8005\uff09\u6216\u591a\u4e2a\uff08\u6b21\u8981\u53c2\u4e0e\u8005\uff09\u4e0e\u7cfb\u7edf\u4e4b\u95f4\u7684\u4ea4\u4e92\uff0c\u4ee5\u4fbf\u4e3a\u4e3b\u8981\u53c2\u4e0e\u8005\u63d0\u4f9b\u53ef\u89c2\u5bdf\u7684\u4ef7\u503c\u7ed3\u679c\u3002<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/02\/1_02-use-case-diagram-notations.png\" alt=\"\u7528\u4f8b\u56fe\u6559\u7a0b\" \/><\/p>\n<p><a class=\"edit-template-v1\" href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=UseCaseDiagram&amp;gallery=\/repository\/92142a93-2b66-495e-8c97-6fd871672ee6.xml&amp;name=Use%20Case%20Diagram%20Example%3A%20Passenger%20Service\">\u7f16\u8f91\u6b64\u7528\u4f8b\u56fe\u793a\u4f8b<\/a><\/p>\n<h3><span id=\"Use_Case_and_Use_Case_Scenarios\">\u7528\u4f8b\u548c\u7528\u4f8b\u573a\u666f<\/span><\/h3>\n<p>\u7528\u4f8b\u662f\u53c2\u4e0e\u8005\u548c\u76ee\u6807\u7cfb\u7edf\u4e4b\u95f4\u7684\u4ea4\u4e92\uff0c\u5f53\u53c2\u4e0e\u8005\u4f7f\u7528\u5b83\u6765\u5b9e\u73b0\u76ee\u6807\u65f6\u3002\u7528\u4f8b\u6709\u591a\u4e2a\u8def\u5f84\u53ef\u7528\u4e8e\u5b9e\u73b0\u7279\u5b9a\u76ee\u6807\u3002\u5b83\u4eec\u53ef\u4ee5\u8868\u793a\u4e3a\u53d9\u8ff0\uff08<strong>\u7528\u4f8b\u63cf\u8ff0<\/strong>\uff09\u6216\u53ef\u89c6\u6a21\u578b\uff08<strong>\u7528\u4f8b\u56fe<\/strong>\uff09\u3002<\/p>\n<p><strong>\u6b63\u5e38\u8def\u5f84<\/strong>\u662f\u4e00\u7ec4\u65e0\u6761\u4ef6\u7684\u6b65\u9aa4\uff0c\u63cf\u8ff0\u4e86\u5982\u4f55\u5b9e\u73b0\u7528\u4f8b\u76ee\u6807\u5e76\u6ee1\u8db3\u6240\u6709\u76f8\u5173\u4e3b\u8981\u53c2\u4e0e\u8005\u6216\u652f\u6301\u53c2\u4e0e\u8005\u7684\u5229\u76ca\u3002\u6bcf\u4e2a\u6b65\u9aa4\u5bf9\u4e8e\u5b9e\u73b0\u7528\u4f8b\u76ee\u6807\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\uff0c\u5e76\u4e14\u4e0d\u80fd\u8df3\u8fc7\u4efb\u4f55\u6b65\u9aa4\u3002<\/p>\n<p>Cockburn \u5c06\u5176\u79f0\u4e3a\u201c\u4e3b\u8981\u6210\u529f\u573a\u666f\u201d\uff0c\u800c\u5176\u4ed6\u4eba\u5219\u4f7f\u7528\u201c\u5feb\u4e50\u573a\u666f\u201d\u3001\u201c\u57fa\u672c\u6d41\u7a0b\u201d\u7b49\u672f\u8bed\u3002<\/p>\n<p>\u66ff\u4ee3\u8def\u5f84\u662f\u4e00\u7ec4\u6709\u6761\u4ef6\u7684\u6b65\u9aa4\uff0c\u7528\u4e8e\u66ff\u4ee3\u53e6\u4e00\u4e2a\u6d41\u7a0b\u4e2d\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u6b65\u9aa4\uff08\u6267\u884c\u66ff\u4ee3\u6d41\u7a0b\u800c\u4e0d\u662f\u53e6\u4e00\u4e2a\u6b65\u9aa4\uff09\uff0c\u4e4b\u540e\u7528\u4f8b\u7ee7\u7eed\u8ffd\u6c42\u5176\u76ee\u6807\u3002<\/p>\n<p id=\"zvsIGKO\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9464 \" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/03\/img_621d8aaabaae4.png\" alt=\"\" width=\"885\" height=\"470\" \/><\/p>\n<h3><span id=\"Use_Case_Variants\">\u7528\u4f8b\u53d8\u4f53<\/span><\/h3>\n<p>\u8be5\u6280\u672f\u5177\u6709\u4e0d\u540c\u7c7b\u578b\u7684\u7528\u4f8b\u548c\u53d8\u4f53\u3002<\/p>\n<ul>\n<li><strong>\u7cfb\u7edf\u7528\u4f8b<\/strong>\u2014\u2014\u8bbe\u8ba1\u8303\u56f4\u662f\u5173\u4e8e\u8981\u5f00\u53d1\u7684\u8ba1\u7b97\u673a\u7cfb\u7edf\u3002\u5b83\u662f\u5173\u4e8e\u6f14\u5458\u901a\u8fc7\u8ba1\u7b97\u673a\u7cfb\u7edf\u5b9e\u73b0\u76ee\u6807\u7684\uff1b\u8fd9\u662f\u5173\u4e8e\u6280\u672f\u7684\u3002<\/li>\n<li><strong>\u4e1a\u52a1\u7528\u4f8b<\/strong>\u5b83\u662f\u5173\u4e8e\u8bbe\u8ba1\u4e1a\u52a1\u8fd0\u8425\u8303\u56f4\u7684\u3002\u5b83\u662f\u5173\u4e8e\u7ec4\u7ec7\u5916\u90e8\u7684\u53c2\u4e0e\u8005\u5b9e\u73b0\u4e0e\u7ec4\u7ec7\u76f8\u5173\u7684\u76ee\u6807\u3002\u4e1a\u52a1\u7528\u4f8b\u901a\u5e38\u4e0d\u5305\u542b\u5bf9\u6280\u672f\u7684\u5f15\u7528\uff0c\u56e0\u4e3a\u5b83\u4e0e\u4e1a\u52a1\u5982\u4f55\u8fd0\u4f5c\u6709\u5173\u3002<\/li>\n<li><strong>\u7528\u4f8b 2.0<\/strong>\u4f7f\u6280\u672f\u9002\u5e94\u654f\u6377\u5f00\u53d1\u65b9\u6cd5\u7684\u4e0a\u4e0b\u6587\u3002\u8fd9\u79cd\u6280\u672f\u901a\u8fc7\u652f\u6301\u7528\u6237\u6545\u4e8b\u7684\u53d9\u8ff0\u6765\u4e30\u5bcc\u9700\u6c42\u6536\u96c6\u7684\u5b9e\u8df5\u3002\u5b83\u8fd8\u63d0\u4f9b\u7528\u4f8b\u201c\u5207\u7247\u201d\u4ee5\u4fc3\u8fdb\u589e\u91cf\u9700\u6c42\u5e76\u5b9e\u73b0\u589e\u91cf\u5b9e\u65bd\u3002<\/li>\n<\/ul>\n<p><strong>\u4e3b\u8981\u548c\u6b21\u8981\u6f14\u5458<\/strong><\/p>\n<p>Primary \u662f\u4e0e\u7cfb\u7edf\u4ea4\u4e92\u4ee5\u5b9e\u73b0\u7279\u5b9a\u76ee\u6807\u7684\u5229\u76ca\u76f8\u5173\u8005\u3002\u4e3b\u8981\u53c2\u4e0e\u8005\u901a\u5e38\uff08\u4f46\u4e0d\u603b\u662f\uff09\u662f\u542f\u52a8\u7528\u4f8b\u7684\u4eba\u3002\u5f53\u7528\u4f8b\u5b9e\u9645\u4e0a\u662f\u7531\u4ee3\u8868\u771f\u6b63\u4e3b\u8981\u53c2\u4e0e\u8005\u7684\u53c2\u4e0e\u8005\u89e6\u53d1\u65f6\uff0c\u6216\u8005\u5f53\u7528\u4f8b\u5b9e\u9645\u4e0a\u662f\u7531\u65f6\u95f4\u89e6\u53d1\u65f6\uff0c\u60c5\u51b5\u5e76\u975e\u5982\u6b64\u3002\u6709\u65f6\uff08\u5916\u90e8\uff09\u53c2\u4e0e\u8005\u9700\u8981\u4e3a\u7cfb\u7edf\u63d0\u4f9b\u670d\u52a1\u3002\u8fd9\u6837\u7684\u6f14\u5458\u79f0\u4e3a\u914d\u89d2\u3002\u53c2\u4e0e\u8005\u53ef\u4ee5\u662f\u4e00\u4e2a\u7528\u4f8b\u4e2d\u7684\u4e3b\u8981\u53c2\u4e0e\u8005\uff0c\u4e5f\u53ef\u4ee5\u662f\u53e6\u4e00\u4e2a\u7528\u4f8b\u4e2d\u7684\u652f\u6301\u8005\u3002<\/p>\n<h3><span id=\"Levels_of_Detail_for_Use_Case_Modeling\">\u7528\u4f8b\u5efa\u6a21\u7684\u8be6\u7ec6\u7a0b\u5ea6<\/span><\/h3>\n<p>Cockburn \u5efa\u8bae\u7528\u7b26\u53f7\u6807\u8bb0\u6bcf\u4e2a\u7528\u4f8b\u4ee5\u663e\u793a\u201c\u76ee\u6807\u7ea7\u522b\u201d\uff1b\u9996\u9009\u7ea7\u522b\u662f\u201c\u7528\u6237\u76ee\u6807\u201d<\/p>\n<table class=\"wikitable\">\n<tbody>\n<tr>\n<th>\u76ee\u6807\u6c34\u5e73<\/th>\n<th>\u56fe\u6807<\/th>\n<th>\u8c61\u5f81<\/th>\n<th>\u8c61\u5f81<\/th>\n<\/tr>\n<tr>\n<td>\u975e\u5e38\u9ad8\u7684\u603b\u7ed3<\/td>\n<td>\u4e91<\/td>\n<td>++<\/td>\n<td>\n<div class=\"center\">\n<div class=\"floatnone\"><a class=\"image\" href=\"https:\/\/en.wikipedia.org\/wiki\/File:Goal-level-icons-cloud.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/02\/Goal-level-icons-cloud.png\" alt=\"\u76ee\u6807\u7ea7\u56fe\u6807-cloud.png\" width=\"52\" height=\"52\" data-file-width=\"52\" data-file-height=\"52\" \/><\/a><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>\u6982\u62ec<\/td>\n<td>\u653e\u98ce\u7b5d<\/td>\n<td>+<\/td>\n<td>\n<div class=\"center\">\n<div class=\"floatnone\"><a class=\"image\" href=\"https:\/\/en.wikipedia.org\/wiki\/File:Goal-level-icons-flying-kite.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/02\/Goal-level-icons-flying-kite.png\" alt=\"\u76ee\u6807\u7ea7\u522b\u56fe\u6807-flying-kite.png\" width=\"52\" height=\"52\" data-file-width=\"52\" data-file-height=\"52\" \/><\/a><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>\u7528\u6237\u76ee\u6807<\/td>\n<td>\u6d77\u6d6a<\/td>\n<td>\uff01<\/td>\n<td>\n<div class=\"center\">\n<div class=\"floatnone\"><a class=\"image\" href=\"https:\/\/en.wikipedia.org\/wiki\/File:Goal-level-icons-waves-at-sea.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/02\/Goal-level-icons-waves-at-sea.png\" alt=\"\u76ee\u6807\u7ea7\u56fe\u6807-waves-at-sea.png\" width=\"52\" height=\"52\" data-file-width=\"52\" data-file-height=\"52\" \/><\/a><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>\u5b50\u529f\u80fd<\/td>\n<td>\u9c7c<\/td>\n<td>\u2013<\/td>\n<td>\n<div class=\"center\">\n<div class=\"floatnone\"><a class=\"image\" href=\"https:\/\/en.wikipedia.org\/wiki\/File:Goal-level-icons-fish.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/02\/Goal-level-icons-fish.png\" alt=\"\u76ee\u6807\u7ea7\u56fe\u6807-fish.png\" width=\"52\" height=\"52\" data-file-width=\"52\" data-file-height=\"52\" \/><\/a><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>\u592a\u4f4e<\/td>\n<td>\u6d77\u5e95\u86e4\u870a<\/td>\n<td>\u2014<\/td>\n<td>\n<div class=\"center\">\n<div class=\"floatnone\"><a class=\"image\" href=\"https:\/\/en.wikipedia.org\/wiki\/File:Goal-level-icons-seabed-clam-shell.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/02\/Goal-level-icons-seabed-clam-shell.png\" alt=\"\u76ee\u6807\u7ea7\u56fe\u6807-seabed-clam-shell.png\" width=\"52\" height=\"52\" data-file-width=\"52\" data-file-height=\"52\" \/><\/a><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u4e91<\/strong>\u662f\u6700\u9ad8\u7ea7\u522b\uff0c\u5373\u4f01\u4e1a\u7ea7\u522b\uff0c\u6574\u4e2a\u7ec4\u7ec7\u53ef\u80fd\u53ea\u6709\u56db\u4e2a\u6216\u4e94\u4e2a\u7528\u4f8b\u3002\u793a\u4f8b\u53ef\u80fd\u662f\u5e7f\u544a\u5546\u54c1\u3001\u5411\u5ba2\u6237\u9500\u552e\u5546\u54c1\u3001\u7ba1\u7406\u5e93\u5b58\u3001\u7ba1\u7406\u4f9b\u5e94\u94fe\u548c\u4f18\u5316\u8fd0\u8f93\u3002<br \/>\n<strong>\u653e\u98ce\u7b5d<\/strong>\u6bd4\u4e91\u4f4e\uff0c\u4f46\u4ecd\u7136\u662f\u9ad8\u5c42\u6b21\u7684\uff0c\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6982\u8ff0\u3002\u98ce\u7b5d\u7528\u4f8b\u53ef\u80fd\u5728\u4e1a\u52a1\u5355\u4f4d\u6216\u90e8\u95e8\u7ea7\u522b\uff0c\u662f\u76ee\u6807\u7684\u603b\u7ed3\u3002\u4f8b\u5982\u5b66\u751f\u6ce8\u518c\uff0c\u6216\u8005\u4e0e\u65c5\u6e38\u516c\u53f8\u5408\u4f5c\uff1a\u9884\u8ba2\u673a\u7968\u3001\u9152\u5e97\u3001\u6c7d\u8f66\u6216\u6e38\u8f6e\u3002<br \/>\n<strong>\u6d77\u6d6a<\/strong>\u5904\u4e8e\u6d77\u5e73\u9762\uff0c\u901a\u5e38\u662f\u4e3a\u7528\u6237\u76ee\u6807\u800c\u521b\u5efa\u7684\u3002\u8fd9\u901a\u5e38\u662f\u7528\u6237\u6700\u611f\u5174\u8da3\u7684\uff0c\u4e5f\u662f\u516c\u53f8\u6700\u5bb9\u6613\u7406\u89e3\u7684\u3002\u5b83\u901a\u5e38\u662f\u4e3a\u4e00\u4e2a\u5546\u4e1a\u6d3b\u52a8\u7f16\u5199\u7684\uff0c\u6bcf\u4e2a\u4eba\u5e94\u8be5\u80fd\u591f\u5728 2 \u5230 20 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