{"id":3501,"date":"2022-02-10T09:05:28","date_gmt":"2022-02-10T01:05:28","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/cn\/?p=3501"},"modified":"2022-11-25T17:32:05","modified_gmt":"2022-11-25T09:32:05","slug":"the-four-types-of-relationship-in-use-case-diagram","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/cn\/the-four-types-of-relationship-in-use-case-diagram\/","title":{"rendered":"\u7528\u4f8b\u56fe\u4e2d\u7684\u56db\u79cd\u5173\u7cfb\u7c7b\u578b"},"content":{"rendered":"<p><span><span class=\"\">\u5728 UML \u4e2d\uff0c\u5173\u7cfb\u662f\u6a21\u578b\u5143\u7d20\u4e4b\u95f4\u7684\u8fde\u63a5\u3002<\/span>\u7528\u4f8b\u4e5f\u4ee5\u4e0d\u540c\u7c7b\u578b\u7684\u5173\u7cfb\u76f8\u4e92\u8fde\u63a5\u3002\u4e24\u4e2a\u7528\u4f8b\u4e4b\u95f4\u7684\u5173\u7cfb\u57fa\u672c\u4e0a\u6a21\u62df\u4e86\u4e24\u4e2a\u7528\u4f8b\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u901a\u8fc7\u4f7f\u7528\u4e0d\u540c\u7c7b\u578b\u7684\u5173\u7cfb\u91cd\u7528\u73b0\u6709\u7528\u4f8b\uff0c\u53ef\u4ee5\u51cf\u5c11\u5f00\u53d1\u7cfb\u7edf\u6240\u9700\u7684\u603b\u4f53\u5de5\u4f5c\u91cf\u3002<\/span><\/p>\n<p><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\"><span>\u7528\u4f8b\u56fe<\/span><\/a><span>\u663e\u793a\u7528\u4f8b\u3001\u53c2\u4e0e\u8005\u4ee5\u53ca\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u4f8b\u5982\uff0c\u53c2\u4e0e\u8005\u548c\u7528\u4f8b\u4e4b\u95f4\u7684\u5173\u7cfb\u8bf4\u660e\u53c2\u4e0e\u8005\u53ef\u4ee5\u4f7f\u7528\u4e1a\u52a1\u7cfb\u7edf\u7684\u67d0\u4e9b\u529f\u80fd\u3002<\/span><\/p>\n<p><strong><span>\u5173\u8054\u5173\u7cfb<\/span><\/strong><\/p>\n<p><span>\u5173\u8054\u662f\u4e24\u4e2a\u5206\u7c7b\u5668\uff08\u4f8b\u5982\u53c2\u4e0e\u8005\u548c\u7528\u4f8b\uff09\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u5b83\u63cf\u8ff0\u4e86\u5173\u7cfb\u7684\u539f\u56e0\u548c\u652f\u914d\u5b83\u7684\u89c4\u5219<\/span><strong><span>\u3002<\/span><\/strong><span>\u5173\u8054\u662f\u53c2\u4e0e\u8005\u4e0e\u4e1a\u52a1\u7528\u4f8b\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u5b83\u8868\u660e\u53c2\u4e0e\u8005\u53ef\u4ee5\u4f7f\u7528\u4e1a\u52a1\u7cfb\u7edf\u7684\u529f\u80fd\u3002<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-17\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/09-use-case-diagram-example.png\" alt=\"\u7528\u4f8b\u56fe\u793a\u4f8b\" \/><\/p>\n<h4><span id=\"Generalization_Relationships\"><strong><span>\u6cdb\u5316\u5173\u7cfb<\/span><\/strong><\/span><\/h4>\n<p><strong><span>\u6cdb\u5316<\/span><\/strong><span>\u5173\u7cfb\u662f\u4e00\u4e2a\u6a21\u578b\u5143\u7d20\uff08\u5b50\uff09\u57fa\u4e8e\u53e6\u4e00\u4e2a\u6a21\u578b\u5143\u7d20\uff08\u7236\uff09\u7684\u5173\u7cfb\u3002\u6cdb\u5316\u5173\u7cfb\u7528\u4e8e\u7c7b\u56fe\u3001\u7ec4\u4ef6\u56fe\u3001\u90e8\u7f72\u56fe\u548c\u7528\u4f8b\u56fe\u4e2d\uff0c\u8868\u793a\u5b50\u5143\u7d20\u63a5\u53d7\u7236\u5143\u7d20\u4e2d\u5b9a\u4e49\u7684\u6240\u6709\u5c5e\u6027\u3001\u64cd\u4f5c\u548c\u5173\u7cfb\u3002<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-19\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/12-use-case-diagram-generalization-example.png\" alt=\"\u7528\u4f8b\u56fe\u6cdb\u5316\u793a\u4f8b\" \/><\/p>\n<h4><span id=\"Include_Relationships\"><strong><span>\u5305\u62ec\u5173\u7cfb<\/span><\/strong><\/span><\/h4>\n<p><span>\u5728 UML \u5efa\u6a21\u4e2d\uff0c<\/span><strong><span>\u5305\u542b<\/span><\/strong><span>\u5173\u7cfb\u662f\u4e00\u79cd\u5173\u7cfb\uff0c\u5176\u4e2d\u4e00\u4e2a\u7528\u4f8b\uff08\u57fa\u672c\u7528\u4f8b\uff09\u5305\u542b\u53e6\u4e00\u4e2a\u7528\u4f8b\uff08\u5305\u542b\u7528\u4f8b\uff09\u7684\u529f\u80fd\u3002\u5305\u542b\u5173\u7cfb\u652f\u6301\u7528\u4f8b\u6a21\u578b\u4e2d\u529f\u80fd\u7684\u91cd\u7528\u3002<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-18\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/10-use-case-diagram-include-example.png\" alt=\"\u7528\u4f8b\u56fe\u5305\u62ec\u793a\u4f8b\" \/><\/p>\n<h4><span id=\"Extending_relationships\"><strong><span>\u6269\u5c55\u5173\u7cfb<\/span><\/strong><\/span><\/h4>\n<p><span>\u5728 UML \u5efa\u6a21\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528<\/span><strong><span>\u6269\u5c55<\/span><\/strong><span>\u5173\u7cfb\u6765\u6307\u5b9a\u4e00\u4e2a\u7528\u4f8b\uff08\u6269\u5c55\uff09\u6269\u5c55\u53e6\u4e00\u4e2a\u7528\u4f8b\uff08\u57fa\u7840\uff09\u7684\u884c\u4e3a\u3002\u8fd9\u79cd\u7c7b\u578b\u7684\u5173\u7cfb\u63ed\u793a\u4e86\u901a\u5e38\u9690\u85cf\u5728\u7528\u4f8b\u4e2d\u7684\u7cfb\u7edf\u6216\u5e94\u7528\u7a0b\u5e8f\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-20\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/11-use-case-diagram-extend-example.png\" alt=\"\u7528\u4f8b\u56fe\u6269\u5c55\u793a\u4f8b\" \/><\/p>\n<p><span>\u66f4\u591a\u7528\u4f8b\u793a\u4f8b<\/span><\/p>\n<p><span>\u5e7f\u64ad\u7cfb\u7edf\u7528\u4f8b\u56fe<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-16\" class=\"related-templates-masonry-content lozad\" title=\"\u5e7f\u64ad\u7cfb\u7edf\u7528\u4f8b\u56fe\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/broadcasting-system-use-case-diagram.png\" alt=\"\u7528\u4f8b\u56fe\u6a21\u677f\uff1a\u5e7f\u64ad\u7cfb\u7edf\u7528\u4f8b\u56fe\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u56fe\u5236\u4f5c\u8005\u521b\u5efa\uff09\" \/><\/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\/8b3fb61d-abbb-4d2c-8d3b-47e643316f1d.xml&amp;name=Broadcasting%20System%20Use%20Case%20Diagram\"><span>\u7f16\u8f91\u6b64\u56fe\u8868<\/span><\/a><\/p>\n<p><span>ATM \u7528\u4f8b\u56fe\u793a\u4f8b<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-1\" class=\"related-templates-masonry-content lozad\" title=\"ATM \u7528\u4f8b\u56fe\u793a\u4f8b\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/atm-use-case-diagram-example.png\" alt=\"\u7528\u4f8b\u56fe\u6a21\u677f\uff1aATM \u7528\u4f8b\u56fe\u793a\u4f8b\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u56fe\u5236\u4f5c\u8005\u521b\u5efa\uff09\" \/><\/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\/b92c57a8-fe64-40ed-8d29-f990c60442ba.xml&amp;name=ATM%20Use%20Case%20Diagram%20Example\"><span>\u7f16\u8f91\u6b64\u56fe\u8868<\/span><\/a><\/p>\n<p><span>\u7528\u4f8b\u56fe\uff1a\u5177\u6709\u7cfb\u7edf\u8fb9\u754c\u7684\u591a\u4e2a\u9879\u76ee<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-2\" class=\"related-templates-masonry-content lozad\" title=\"\u7528\u4f8b\u56fe\uff1a\u5177\u6709\u7cfb\u7edf\u8fb9\u754c\u7684\u591a\u4e2a\u9879\u76ee\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/use-case-diagram-multiple-projects-with-system-boundaries.png\" alt=\"\u7528\u4f8b\u56fe\u6a21\u677f\uff1a\u7528\u4f8b\u56fe\uff1a\u5177\u6709\u7cfb\u7edf\u8fb9\u754c\u7684\u591a\u4e2a\u9879\u76ee\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u56fe\u5236\u4f5c\u8005\u521b\u5efa\uff09\" \/><\/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\/36994afe-da24-490b-a738-ec69389e6848.xml&amp;name=Use%20Case%20Diagram%3A%20Multiple%20Projects%20with%20System%20Boundaries\"><span>\u7f16\u8f91\u6b64\u56fe\u8868<\/span><\/a><\/p>\n<p><span>\u7528\u4f8b\u56fe\uff1a\u5728\u7ebf\u8003\u8bd5\u7cfb\u7edf<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-3\" class=\"related-templates-masonry-content lozad\" title=\"\u7528\u4f8b\u56fe\uff1a\u5728\u7ebf\u8003\u8bd5\u7cfb\u7edf\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/use-case-diagram-online-examination-system.png\" alt=\"\u7528\u4f8b\u56fe\u6a21\u677f\uff1a\u7528\u4f8b\u56fe\uff1a\u5728\u7ebf\u8003\u8bd5\u7cfb\u7edf\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u56fe\u5236\u4f5c\u8005\u521b\u5efa\uff09\" \/><\/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\/6853c46b-cd6b-42e6-8ab3-1dc0212a9138.xml&amp;name=Use%20Case%20Diagram%3A%20Online%20Examination%20System\"><span>\u7f16\u8f91\u6b64\u56fe\u8868<\/span><\/a><\/p>\n<p><span>\u7528\u4f8b\u56fe\u793a\u4f8b\uff1a\u4e58\u5ba2\u670d\u52a1<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-4\" class=\"related-templates-masonry-content lozad\" title=\"\u7528\u4f8b\u56fe\u793a\u4f8b\uff1a\u4e58\u5ba2\u670d\u52a1\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/use-case-diagram-example-passenger-service.png\" alt=\"\u7528\u4f8b\u56fe\u6a21\u677f\uff1a\u7528\u4f8b\u56fe\u793a\u4f8b\uff1a\u4e58\u5ba2\u670d\u52a1\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u56fe\u5236\u4f5c\u8005\u521b\u5efa\uff09\" \/><\/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\"><span>\u7f16\u8f91\u6b64\u56fe\u8868<\/span><\/a><\/p>\n<p><span>\u7528\u4f8b\u56fe\u793a\u4f8b\uff1a\u8f6f\u4ef6\u5f00\u53d1<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-5\" class=\"related-templates-masonry-content lozad\" title=\"\u7528\u4f8b\u56fe\u793a\u4f8b\uff1a\u8f6f\u4ef6\u5f00\u53d1\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/use-case-diagram-example-software-development.png\" alt=\"\u7528\u4f8b\u56fe\u6a21\u677f\uff1a\u7528\u4f8b\u56fe\u793a\u4f8b\uff1a\u8f6f\u4ef6\u5f00\u53d1\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u56fe\u5236\u4f5c\u8005\u521b\u5efa\uff09\" \/><\/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\/8db64e28-b238-426a-b45a-16904dad2d78.xml&amp;name=Use%20Case%20Diagram%20Example%3A%20Software%20Development\"><span>\u7f16\u8f91\u6b64\u56fe\u8868<\/span><\/a><\/p>\n<p><span>\u7528\u4f8b\u56fe\u793a\u4f8b\uff1a\u505c\u8f66\u573a\u7cfb\u7edf<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-6\" class=\"related-templates-masonry-content lozad\" title=\"\u7528\u4f8b\u56fe\u793a\u4f8b\uff1a\u505c\u8f66\u573a\u7cfb\u7edf\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/use-case-diagram-example-carpark-system.png\" alt=\"\u7528\u4f8b\u56fe\u6a21\u677f\uff1a\u7528\u4f8b\u56fe\u793a\u4f8b\uff1a\u505c\u8f66\u573a\u7cfb\u7edf\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u56fe\u5236\u4f5c\u8005\u521b\u5efa\uff09\" \/><\/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\/1f361115-e531-44f1-b88c-e8d977d018ab.xml&amp;name=Use%20Case%20Diagram%20Example%3A%20Carpark%20System\"><span>\u7f16\u8f91\u6b64\u56fe\u8868<\/span><\/a><\/p>\n<p><span>UML \u7528\u4f8b\u56fe\uff1a\u8ba2\u5355\u5904\u7406\u7cfb\u7edf<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-7\" class=\"related-templates-masonry-content lozad\" title=\"UML \u7528\u4f8b\u56fe\uff1a\u8ba2\u5355\u5904\u7406\u7cfb\u7edf\" src=\"https:\/\/blog.visual-paradigm.com\/cn\/wp-content\/uploads\/sites\/5\/2022\/11\/uml-use-case-diagram-order-process-system.png\" alt=\"\u7528\u4f8b\u56fe\u6a21\u677f\uff1aUML \u7528\u4f8b\u56fe\uff1a\u8ba2\u5355\u5904\u7406\u7cfb\u7edf\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u56fe\u5236\u4f5c\u8005\u521b\u5efa\uff09\" \/><\/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\/9737b5ac-6e60-472b-9b57-d47d1e1894ee.xml&amp;name=UML%20Use%20Case%20Diagram%3A%20Order%20Process%20System\"><span>\u7f16\u8f91\u6b64\u56fe\u8868<\/span><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><span>\u5305\u542b\u548c\u6269\u5c55\u7528\u4f8b\u56fe<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-15\" class=\"related-templates-masonry-content lozad\" title=\"\u5305\u542b\u548c\u6269\u5c55\u7528\u4f8b\u56fe\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/include-and-extend-use-case-diagram.png\" alt=\"\u7528\u4f8b\u56fe\u6a21\u677f\uff1a\u5305\u542b\u548c\u6269\u5c55\u7528\u4f8b\u56fe\uff08\u7531 Visual Paradigm Online 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