{"id":3501,"date":"2022-02-10T09:05:28","date_gmt":"2022-02-10T01:05:28","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/tw\/?p=3501"},"modified":"2022-11-25T17:32:20","modified_gmt":"2022-11-25T09:32:20","slug":"the-four-types-of-relationship-in-use-case-diagram","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/tw\/the-four-types-of-relationship-in-use-case-diagram\/","title":{"rendered":"\u7528\u4f8b\u5716\u4e2d\u7684\u56db\u7a2e\u95dc\u4fc2\u985e\u578b"},"content":{"rendered":"<p><span><span class=\"goog-text-highlight\">\u5728 UML \u4e2d\uff0c\u95dc\u4fc2\u662f\u6a21\u578b\u5143\u7d20\u4e4b\u9593\u7684\u9023\u63a5\u3002<\/span>\u7528\u4f8b\u4e5f\u4ee5\u4e0d\u540c\u985e\u578b\u7684\u95dc\u4fc2\u76f8\u4e92\u9023\u63a5\u3002\u5169\u500b\u7528\u4f8b\u4e4b\u9593\u7684\u95dc\u4fc2\u57fa\u672c\u4e0a\u6a21\u64ec\u4e86\u5169\u500b\u7528\u4f8b\u4e4b\u9593\u7684\u4f9d\u8cf4\u95dc\u4fc2\u3002\u901a\u904e\u4f7f\u7528\u4e0d\u540c\u985e\u578b\u7684\u95dc\u4fc2\u91cd\u7528\u73fe\u6709\u7528\u4f8b\uff0c\u53ef\u4ee5\u6e1b\u5c11\u958b\u767c\u7cfb\u7d71\u6240\u9700\u7684\u7e3d\u9ad4\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\u5716<\/span><\/a><span>\u986f\u793a\u7528\u4f8b\u3001\u53c3\u8207\u8005\u4ee5\u53ca\u5b83\u5011\u4e4b\u9593\u7684\u95dc\u4fc2\u3002\u4f8b\u5982\uff0c\u53c3\u8207\u8005\u548c\u7528\u4f8b\u4e4b\u9593\u7684\u95dc\u4fc2\u8aaa\u660e\u53c3\u8207\u8005\u53ef\u4ee5\u4f7f\u7528\u696d\u52d9\u7cfb\u7d71\u7684\u67d0\u4e9b\u529f\u80fd\u3002<\/span><\/p>\n<p><strong><span>\u95dc\u806f\u95dc\u4fc2<\/span><\/strong><\/p>\n<p><span>\u95dc\u806f\u662f\u5169\u500b\u5206\u985e\u5668\uff08\u4f8b\u5982\u53c3\u8207\u8005\u548c\u7528\u4f8b\uff09\u4e4b\u9593\u7684\u95dc\u4fc2\uff0c\u5b83\u63cf\u8ff0\u4e86\u95dc\u4fc2\u7684\u539f\u56e0\u548c\u652f\u914d\u5b83\u7684\u898f\u5247<\/span><strong><span>\u3002<\/span><\/strong><span>\u95dc\u806f\u662f\u53c3\u8207\u8005\u8207\u696d\u52d9\u7528\u4f8b\u4e4b\u9593\u7684\u95dc\u4fc2\u3002\u5b83\u8868\u660e\u53c3\u8207\u8005\u53ef\u4ee5\u4f7f\u7528\u696d\u52d9\u7cfb\u7d71\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\u5716\u793a\u4f8b\" \/><\/p>\n<h4><span id=\"Generalization_Relationships\"><strong><span>\u6cdb\u5316\u95dc\u4fc2<\/span><\/strong><\/span><\/h4>\n<p><strong><span>\u6cdb\u5316<\/span><\/strong><span>\u95dc\u4fc2\u662f\u4e00\u500b\u6a21\u578b\u5143\u7d20\uff08\u5b50\uff09\u57fa\u65bc\u53e6\u4e00\u500b\u6a21\u578b\u5143\u7d20\uff08\u7236\uff09\u7684\u95dc\u4fc2\u3002\u6cdb\u5316\u95dc\u4fc2\u7528\u65bc\u985e\u5716\u3001\u7d44\u4ef6\u5716\u3001\u90e8\u7f72\u5716\u548c\u7528\u4f8b\u5716\u4e2d\uff0c\u8868\u793a\u5b50\u5143\u7d20\u63a5\u53d7\u7236\u5143\u7d20\u4e2d\u5b9a\u7fa9\u7684\u6240\u6709\u5c6c\u6027\u3001\u64cd\u4f5c\u548c\u95dc\u4fc2\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\u5716\u6cdb\u5316\u793a\u4f8b\" \/><\/p>\n<h4><span id=\"Include_Relationships\"><strong><span>\u5305\u62ec\u95dc\u4fc2<\/span><\/strong><\/span><\/h4>\n<p><span>\u5728 UML \u5efa\u6a21\u4e2d\uff0c<\/span><strong><span>\u5305\u542b<\/span><\/strong><span>\u95dc\u4fc2\u662f\u4e00\u7a2e\u95dc\u4fc2\uff0c\u5176\u4e2d\u4e00\u500b\u7528\u4f8b\uff08\u57fa\u672c\u7528\u4f8b\uff09\u5305\u542b\u53e6\u4e00\u500b\u7528\u4f8b\uff08\u5305\u542b\u7528\u4f8b\uff09\u7684\u529f\u80fd\u3002\u5305\u542b\u95dc\u4fc2\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\u5716\u5305\u62ec\u793a\u4f8b\" \/><\/p>\n<h4><span id=\"Extending_relationships\"><strong><span>\u64f4\u5c55\u95dc\u4fc2<\/span><\/strong><\/span><\/h4>\n<p><span>\u5728 UML \u5efa\u6a21\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528<\/span><strong><span>\u64f4\u5c55<\/span><\/strong><span>\u95dc\u4fc2\u4f86\u6307\u5b9a\u4e00\u500b\u7528\u4f8b\uff08\u64f4\u5c55\uff09\u64f4\u5c55\u53e6\u4e00\u500b\u7528\u4f8b\uff08\u57fa\u790e\uff09\u7684\u884c\u70ba\u3002\u9019\u7a2e\u985e\u578b\u7684\u95dc\u4fc2\u63ed\u793a\u4e86\u901a\u5e38\u96b1\u85cf\u5728\u7528\u4f8b\u4e2d\u7684\u7cfb\u7d71\u6216\u61c9\u7528\u7a0b\u5e8f\u7684\u8a73\u7d30\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\u5716\u64f4\u5c55\u793a\u4f8b\" \/><\/p>\n<p><span>\u66f4\u591a\u7528\u4f8b\u793a\u4f8b<\/span><\/p>\n<p><span>\u5ee3\u64ad\u7cfb\u7d71\u7528\u4f8b\u5716<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-16\" class=\"related-templates-masonry-content lozad\" title=\"\u5ee3\u64ad\u7cfb\u7d71\u7528\u4f8b\u5716\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/broadcasting-system-use-case-diagram.png\" alt=\"\u7528\u4f8b\u5716\u6a21\u677f\uff1a\u5ee3\u64ad\u7cfb\u7d71\u7528\u4f8b\u5716\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u5716\u88fd\u4f5c\u8005\u5275\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>\u7de8\u8f2f\u6b64\u5716\u8868<\/span><\/a><\/p>\n<p><span>ATM \u7528\u4f8b\u5716\u793a\u4f8b<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-1\" class=\"related-templates-masonry-content lozad\" title=\"ATM \u7528\u4f8b\u5716\u793a\u4f8b\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/atm-use-case-diagram-example.png\" alt=\"\u7528\u4f8b\u5716\u6a21\u677f\uff1aATM \u7528\u4f8b\u5716\u793a\u4f8b\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u5716\u88fd\u4f5c\u8005\u5275\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>\u7de8\u8f2f\u6b64\u5716\u8868<\/span><\/a><\/p>\n<p><span>\u7528\u4f8b\u5716\uff1a\u5177\u6709\u7cfb\u7d71\u908a\u754c\u7684\u591a\u500b\u9805\u76ee<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-2\" class=\"related-templates-masonry-content lozad\" title=\"\u7528\u4f8b\u5716\uff1a\u5177\u6709\u7cfb\u7d71\u908a\u754c\u7684\u591a\u500b\u9805\u76ee\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/use-case-diagram-multiple-projects-with-system-boundaries.png\" alt=\"\u7528\u4f8b\u5716\u6a21\u677f\uff1a\u7528\u4f8b\u5716\uff1a\u5177\u6709\u7cfb\u7d71\u908a\u754c\u7684\u591a\u500b\u9805\u76ee\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u5716\u88fd\u4f5c\u8005\u5275\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>\u7de8\u8f2f\u6b64\u5716\u8868<\/span><\/a><\/p>\n<p><span>\u7528\u4f8b\u5716\uff1a\u5728\u7dda\u8003\u8a66\u7cfb\u7d71<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-3\" class=\"related-templates-masonry-content lozad\" title=\"\u7528\u4f8b\u5716\uff1a\u5728\u7dda\u8003\u8a66\u7cfb\u7d71\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/use-case-diagram-online-examination-system.png\" alt=\"\u7528\u4f8b\u5716\u6a21\u677f\uff1a\u7528\u4f8b\u5716\uff1a\u5728\u7dda\u8003\u8a66\u7cfb\u7d71\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u5716\u88fd\u4f5c\u8005\u5275\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>\u7de8\u8f2f\u6b64\u5716\u8868<\/span><\/a><\/p>\n<p><span>\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u4e58\u5ba2\u670d\u52d9<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-4\" class=\"related-templates-masonry-content lozad\" title=\"\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u4e58\u5ba2\u670d\u52d9\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/use-case-diagram-example-passenger-service.png\" alt=\"\u7528\u4f8b\u5716\u6a21\u677f\uff1a\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u4e58\u5ba2\u670d\u52d9\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u5716\u88fd\u4f5c\u8005\u5275\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>\u7de8\u8f2f\u6b64\u5716\u8868<\/span><\/a><\/p>\n<p><span>\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u8edf\u4ef6\u958b\u767c<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-5\" class=\"related-templates-masonry-content lozad\" title=\"\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u8edf\u4ef6\u958b\u767c\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/use-case-diagram-example-software-development.png\" alt=\"\u7528\u4f8b\u5716\u6a21\u677f\uff1a\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u8edf\u4ef6\u958b\u767c\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u5716\u88fd\u4f5c\u8005\u5275\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>\u7de8\u8f2f\u6b64\u5716\u8868<\/span><\/a><\/p>\n<p><span>\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u505c\u8eca\u5834\u7cfb\u7d71<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-6\" class=\"related-templates-masonry-content lozad\" title=\"\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u505c\u8eca\u5834\u7cfb\u7d71\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/use-case-diagram-example-carpark-system.png\" alt=\"\u7528\u4f8b\u5716\u6a21\u677f\uff1a\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u505c\u8eca\u5834\u7cfb\u7d71\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u5716\u88fd\u4f5c\u8005\u5275\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>\u7de8\u8f2f\u6b64\u5716\u8868<\/span><\/a><\/p>\n<p><span>UML \u7528\u4f8b\u5716\uff1a\u8a02\u55ae\u8655\u7406\u7cfb\u7d71<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-7\" class=\"related-templates-masonry-content lozad\" title=\"UML \u7528\u4f8b\u5716\uff1a\u8a02\u55ae\u8655\u7406\u7cfb\u7d71\" src=\"https:\/\/blog.visual-paradigm.com\/tw\/wp-content\/uploads\/sites\/6\/2022\/11\/uml-use-case-diagram-order-process-system.png\" alt=\"\u7528\u4f8b\u5716\u6a21\u677f\uff1aUML \u7528\u4f8b\u5716\uff1a\u8a02\u55ae\u8655\u7406\u7cfb\u7d71\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u5716\u88fd\u4f5c\u8005\u5275\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>\u7de8\u8f2f\u6b64\u5716\u8868<\/span><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><span>\u5305\u542b\u548c\u64f4\u5c55\u7528\u4f8b\u5716<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-15\" class=\"related-templates-masonry-content lozad\" title=\"\u5305\u542b\u548c\u64f4\u5c55\u7528\u4f8b\u5716\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/include-and-extend-use-case-diagram.png\" alt=\"\u7528\u4f8b\u5716\u6a21\u677f\uff1a\u5305\u542b\u548c\u64f4\u5c55\u7528\u4f8b\u5716\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u5716\u88fd\u4f5c\u8005\u5275\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\/4814c887-a726-47bb-8d07-df369cc93777.xml&amp;name=Include%20and%20Extend%20Use%20Case%20Diagram\"><span>\u7de8\u8f2f\u6b64\u5716\u8868<\/span><\/a><\/p>\n<p><span>\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u7db2\u7ad9\uff08\u64f4\u5c55\u548c\u5305\u542b\u7528\u4f8b\uff09<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-14\" class=\"related-templates-masonry-content lozad\" title=\"\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u7db2\u7ad9\uff08\u64f4\u5c55\u548c\u5305\u542b\u7528\u4f8b\uff09\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/use-case-diagram-example-website-extend-and-include-use-case.png\" alt=\"\u7528\u4f8b\u5716\u6a21\u677f\uff1a\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u7db2\u7ad9\uff08\u64f4\u5c55\u548c\u5305\u542b\u7528\u4f8b\uff09\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u5716\u88fd\u4f5c\u8005\u5275\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\/ebe9444d-1ffc-464d-a9b8-6b923da9b741.xml&amp;name=Use%20Case%20Diagram%20Example%3A%20Website%20%28Extend%20and%20Include%20Use%20Case%29\"><span>\u7de8\u8f2f\u6b64\u5716\u8868<\/span><\/a><\/p>\n<p><span>\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u4f5c\u70ba\u53c3\u8207\u8005\u7684\u5916\u90e8\u7cfb\u7d71<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-10\" class=\"related-templates-masonry-content lozad\" title=\"\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u4f5c\u70ba\u53c3\u8207\u8005\u7684\u5916\u90e8\u7cfb\u7d71\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/use-case-diagram-example-external-system-as-actor.png\" alt=\"\u7528\u4f8b\u5716\u6a21\u677f\uff1a\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u5916\u90e8\u7cfb\u7d71\u4f5c\u70ba\u53c3\u8207\u8005\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u5716\u88fd\u4f5c\u8005\u5275\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\/1cc743f9-a26c-45e4-aaa1-2447bcc41dbf.xml&amp;name=Use%20Case%20Diagram%20Example%3A%20External%20System%20as%20Actor\"><span>\u7de8\u8f2f\u6b64\u5716\u8868<\/span><\/a><\/p>\n<p><span>\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u9280\u884c ATM<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-11\" class=\"related-templates-masonry-content lozad\" title=\"\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u9280\u884c ATM\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/use-case-diagram-example-bank-atm.png\" alt=\"\u7528\u4f8b\u5716\u6a21\u677f\uff1a\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u9280\u884c ATM\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u5716\u88fd\u4f5c\u8005\u5275\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\/30a2ced3-3aa4-40c5-b2a0-8e987518b6de.xml&amp;name=Use%20Case%20Diagram%20Example%3A%20Bank%20ATM\"><span>\u7de8\u8f2f\u6b64\u5716\u8868<\/span><\/a><\/p>\n<p><span>\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u6a5f\u5834<\/span><\/p>\n<p><img decoding=\"async\" id=\"thepasted-12\" class=\"related-templates-masonry-content lozad\" title=\"\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u6a5f\u5834\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/use-case-diagram-example-airport.png\" alt=\"\u7528\u4f8b\u5716\u6a21\u677f\uff1a\u7528\u4f8b\u5716\u793a\u4f8b\uff1a\u6a5f\u5834\uff08\u7531 Visual Paradigm Online \u7684\u7528\u4f8b\u5716\u88fd\u4f5c\u8005\u5275\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\/4c655668-1fcf-4335-8313-5783862271da.xml&amp;name=Use%20Case%20Diagram%20Example%3A%20Airport\"><span>\u7de8\u8f2f\u6b64\u5716\u8868<\/span><\/a><\/p>\n<h3><span id=\"References\"><span>\u53c3\u8003<\/span><\/span><\/h3>\n<ul>\n<li><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/solutions\/free-use-case-diagram-tool\/\"><span>\u514d\u8cbb\u7528\u4f8b\u5716\u5de5\u5177<\/span><\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In UML, relationships are connections between model elements. Use cases are also connected to each other in different kinds of relationships. The relationship between two use cases basically models the dependencies between two use cases. By reusing existing use cases using different types of relationships, the overall effort required to develop the system is reduced. Use case diagrams show use cases, actors, and the relationships between them. For example, the relationship between an actor and a use case illustrates that the actor can use a certain functionality of the business system.<\/p>\n","protected":false},"author":1,"featured_media":3535,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[36],"tags":[],"class_list":["post-3501","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uml","loop-entry","clr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u7528\u4f8b\u5716\u4e2d\u7684\u56db\u7a2e\u95dc\u4fc2\u985e\u578b - Visual Paradigm \u535a\u5ba2<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.visual-paradigm.com\/tw\/the-four-types-of-relationship-in-use-case-diagram\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u7528\u4f8b\u5716\u4e2d\u7684\u56db\u7a2e\u95dc\u4fc2\u985e\u578b - Visual Paradigm \u535a\u5ba2\" \/>\n<meta property=\"og:description\" content=\"In UML, relationships are connections between model elements. 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