{"id":9663,"date":"2025-01-10T13:35:24","date_gmt":"2025-01-10T05:35:24","guid":{"rendered":"https:\/\/www.cybermedian.com\/tw\/understanding-use-case-diagrams-key-concepts-and-applications\/"},"modified":"2026-04-14T11:08:08","modified_gmt":"2026-04-14T11:08:08","slug":"understanding-use-case-diagrams-key-concepts-and-applications","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/tw\/understanding-use-case-diagrams-key-concepts-and-applications\/","title":{"rendered":"\u7406\u89e3\u7528\u4f8b\u5716\uff1a\u95dc\u9375\u6982\u5ff5\u8207\u61c9\u7528"},"content":{"rendered":"<h2>\u5f15\u8a00<\/h2>\n<p><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\">\u7528\u4f8b\u5716<\/a>\u662f\u8edf\u9ad4\u5de5\u7a0b\u8207\u7cfb\u7d71\u5206\u6790\u4e2d\u7684\u57fa\u672c\u5de5\u5177\uff0c\u7528\u65bc\u5f9e\u4f7f\u7528\u8005\u7684\u89c0\u9ede\u6355\u6349\u4e26\u5efa\u6a21\u7cfb\u7d71\u7684\u529f\u80fd\u9700\u6c42\u3002\u9019\u4e9b\u5716\u8868\u4ee5\u8996\u89ba\u65b9\u5f0f\u5448\u73fe\u4f7f\u7528\u8005\uff08\u53c3\u8207\u8005\uff09\u8207\u7cfb\u7d71\u4e4b\u9593\u7684\u4e92\u52d5\uff0c\u6709\u52a9\u65bc\u8b58\u5225\u4e26\u8a18\u9304\u7cfb\u7d71\u7684\u884c\u70ba\u8207\u529f\u80fd\u3002<\/p>\n<p>\u672c\u6587\u5c07\u89e3\u91cb\u7528\u4f8b\u5716\u7684\u95dc\u9375\u6982\u5ff5\uff0c\u7279\u5225\u8457\u91cd\u65bc\u300c\u5305\u542b\u300d\u8207\u300c\u64f4\u5c55\u300d\u95dc\u4fc2\uff0c\u4e26\u4ee5\u5e03\u544a\u6b04\u7cfb\u7d71\uff08BBS\uff09\u70ba\u4f8b\uff0c\u8aaa\u660e\u9019\u4e9b\u6982\u5ff5\u53ca\u5176\u5728\u9700\u6c42\u5efa\u6a21\u4e2d\u7684\u5be6\u7528\u6027\u3002<\/p>\n<h2>\u7528\u4f8b\u5716\u4e2d\u7684\u95dc\u9375\u6982\u5ff5<\/h2>\n<p><img alt=\"Use Case Model: Bulletin Board System\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/b3387898-edd8-4801-b76d-16c753a22ded\/use-case-diagram-design\/use-case-model-bulletin-board-system.png\"\/><\/p>\n<h3>1. \u53c3\u8207\u8005<\/h3>\n<ul>\n<li><strong>\u5b9a\u7fa9\uff1a<\/strong>\u00a0\u53c3\u8207\u8005\u4ee3\u8868\u8207\u7cfb\u7d71\u4e92\u52d5\u7684\u4f7f\u7528\u8005\u6216\u5916\u90e8\u7cfb\u7d71\u3002<\/li>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong>\u00a0\u5728\u5e03\u544a\u6b04\u7cfb\u7d71\u4e2d\uff0c\u53c3\u8207\u8005\u70ba\u300c\u6703\u54e1\u300d\u3002<\/li>\n<\/ul>\n<h3>2. \u7528\u4f8b<\/h3>\n<ul>\n<li><strong>\u5b9a\u7fa9\uff1a<\/strong>\u00a0\u7528\u4f8b\u63cf\u8ff0\u53c3\u8207\u8005\u8207\u7cfb\u7d71\u4e4b\u9593\u70ba\u9054\u6210\u7279\u5b9a\u76ee\u6a19\u800c\u9032\u884c\u7684\u5177\u9ad4\u4e92\u52d5\u3002<\/li>\n<li><strong>\u7d44\u6210\u90e8\u5206\uff1a<\/strong>\u00a0\u7528\u4f8b\u540d\u7a31\u3001\u7c21\u8981\u63cf\u8ff0\u3001\u53c3\u8207\u7684\u53c3\u8207\u8005\u3001\u524d\u7f6e\u689d\u4ef6\u3001\u5f8c\u7f6e\u689d\u4ef6\u3001\u4e3b\u8981\u6210\u529f\u5834\u666f\u8207\u66ff\u4ee3\u5834\u666f\u3002<\/li>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong>\u00a0\u5728BBS\u4e2d\uff0c\u7528\u4f8b\u5305\u62ec\u300c\u6aa2\u8996\u5e03\u544a\u6b04\u6e05\u55ae\u300d\u3001\u300c\u6aa2\u8996\u9805\u76ee\u6e05\u55ae\u300d\u3001\u300c\u6aa2\u8996\u8a73\u7d30\u5167\u5bb9\u300d\u3001\u300c\u4e0a\u50b3\u8a0a\u606f\u300d\u3001\u300c\u4fee\u6539\u8a0a\u606f\u300d\u3001\u300c\u522a\u9664\u8a0a\u606f\u300d\u4ee5\u53ca\u300c\u641c\u5c0b\u8a0a\u606f\u300d\u3002<\/li>\n<\/ul>\n<h3>3. \u7528\u4f8b\u5716<\/h3>\n<ul>\n<li><strong>\u5b9a\u7fa9\uff1a<\/strong>\u00a0\u7528\u4f8b\u5716\u662f\u53c3\u8207\u8005\u3001\u7528\u4f8b\u53ca\u5176\u95dc\u4fc2\u7684\u8996\u89ba\u5316\u5448\u73fe\u3002<\/li>\n<li><strong>\u5143\u7d20\uff1a<\/strong>\u00a0\u53c3\u8207\u8005\uff08\u4ee5\u4eba\u5f62\u5716\u793a\u8868\u793a\uff09\u3001\u7528\u4f8b\uff08\u4ee5\u6a62\u5713\u5f62\u8868\u793a\uff09\u4ee5\u53ca\u95dc\u4fc2\uff08\u4ee5\u7dda\u689d\u8868\u793a\uff09\u3002<\/li>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong>\u00a0BBS\u7684\u7528\u4f8b\u5716\u986f\u793a\u53c3\u8207\u8005\u300c\u6703\u54e1\u300d\u8207\u5e03\u544a\u6b04\u4e0a\u8a0a\u606f\u7ba1\u7406\u8207\u6aa2\u8996\u76f8\u95dc\u7684\u591a\u500b\u7528\u4f8b\u4e4b\u9593\u7684\u4e92\u52d5\u3002<\/li>\n<\/ul>\n<h3>4. \u95dc\u4fc2<\/h3>\n<ul>\n<li><strong>\u985e\u578b\uff1a<\/strong>\n<ul>\n<li><strong>\u95dc\u806f\uff1a<\/strong>\u00a0\u9023\u63a5\u53c3\u8207\u8005\u8207\u7528\u4f8b\u7684\u4e00\u689d\u7dda\uff0c\u8868\u793a\u8a72\u53c3\u8207\u8005\u53c3\u8207\u8a72\u7528\u4f8b\u3002<\/li>\n<li><strong>\u5305\u542b\uff1a<\/strong>\u4e00\u7a2e\u7528\u4f8b\u4e4b\u9593\u7684\u95dc\u4fc2\uff0c\u5176\u4e2d\u4e00\u500b\u7528\u4f8b\u5305\u542b\u53e6\u4e00\u500b\u7528\u4f8b\u7684\u884c\u70ba\u3002<\/li>\n<li><strong>\u64f4\u5c55\uff1a<\/strong>\u4e00\u7a2e\u7528\u4f8b\u4e4b\u9593\u7684\u95dc\u4fc2\uff0c\u5176\u4e2d\u4e00\u500b\u7528\u4f8b\u5728\u7279\u5b9a\u689d\u4ef6\u4e0b\u64f4\u5c55\u53e6\u4e00\u500b\u7528\u4f8b\u7684\u884c\u70ba\u3002<\/li>\n<li><strong>\u6cdb\u5316\uff1a<\/strong>\u4e00\u7a2e\u53c3\u8207\u8005\u6216\u7528\u4f8b\u4e4b\u9593\u7684\u95dc\u4fc2\uff0c\u5176\u4e2d\u4e00\u500b\u53c3\u8207\u8005\u6216\u7528\u4f8b\u662f\u53e6\u4e00\u500b\u7684\u7279\u5316\u7248\u672c\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u5305\u542b\u95dc\u4fc2<\/h2>\n<h3>\u5b9a\u7fa9<\/h3>\n<p>\u9019\u500b<a href=\"https:\/\/blog.visual-paradigm.com\/include-and-extend-use-cases\/\">\u300c\u5305\u542b\u300d\u95dc\u4fc2<\/a>\u7576\u4e00\u500b\u7528\u4f8b\u5305\u542b\u53e6\u4e00\u500b\u7528\u4f8b\u7684\u884c\u70ba\u6642\u4f7f\u7528\u3002\u9019\u8868\u793a\u88ab\u5305\u542b\u7684\u7528\u4f8b\u662f\u57fa\u790e\u7528\u4f8b\u7684\u5fc5\u8981\u90e8\u5206\u3002<\/p>\n<h3>BBS \u4e2d\u7684\u7bc4\u4f8b<\/h3>\n<p>\u5728\u770b\u677f\u7cfb\u7d71\u4e2d\uff0c\u7528\u4f8b\u300c\u4e0a\u50b3\u8a0a\u606f\u300d\u3001\u300c\u4fee\u6539\u8a0a\u606f\u300d\u3001\u300c\u522a\u9664\u8a0a\u606f\u300d\u548c\u300c\u641c\u5c0b\u8a0a\u606f\u300d\u90fd\u5305\u542b\u300c\u767b\u5165\u300d\u7528\u4f8b\u3002\u9019\u8868\u793a\u8981\u57f7\u884c\u9019\u4e9b\u52d5\u4f5c\u4e2d\u7684\u4efb\u4f55\u4e00\u500b\uff0c\u6210\u54e1\u5fc5\u9808\u5148\u767b\u5165\u7cfb\u7d71\u3002<\/p>\n<h3>\u7528\u9014<\/h3>\n<p>\u300c\u5305\u542b\u300d\u95dc\u4fc2\u6709\u52a9\u65bc\u6a21\u7d44\u5316\u7528\u4f8b\u4e26\u907f\u514d\u91cd\u8907\u3002\u900f\u904e\u5305\u542b\u300c\u767b\u5165\u300d\u7528\u4f8b\uff0c\u6211\u5011\u78ba\u4fdd\u767b\u5165\u904e\u7a0b\u662f\u9019\u4e9b\u52d5\u4f5c\u7684\u5fc5\u8981\u6b65\u9a5f\uff0c\u800c\u7121\u9700\u5728\u6bcf\u500b\u7528\u4f8b\u63cf\u8ff0\u4e2d\u91cd\u8907\u767b\u5165\u6b65\u9a5f\u3002<\/p>\n<h2>\u64f4\u5c55\u95dc\u4fc2<\/h2>\n<h3>\u5b9a\u7fa9<\/h3>\n<p>\u9019\u500b<a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/use-case-diagram\/include-and-extend-use-case-diagram\/\">\u300c\u64f4\u5c55\u300d\u95dc\u4fc2<\/a>\u7576\u4e00\u500b\u7528\u4f8b\u5728\u7279\u5b9a\u689d\u4ef6\u4e0b\u5411\u53e6\u4e00\u500b\u7528\u4f8b\u6dfb\u52a0\u884c\u70ba\u6642\u4f7f\u7528\u3002\u9019\u8868\u793a\u64f4\u5c55\u7684\u7528\u4f8b\u662f\u57fa\u790e\u7528\u4f8b\u7684\u53ef\u9078\u90e8\u5206\u3002<\/p>\n<h3>BBS \u4e2d\u7684\u7bc4\u4f8b<\/h3>\n<p>\u5728 BBS \u4e2d\uff0c\u300c\u64f4\u5c55\u300d\u95dc\u4fc2\u7684\u4e00\u500b\u7bc4\u4f8b\u53ef\u80fd\u662f\u300c\u767c\u9001\u901a\u77e5\u300d\u7528\u4f8b\uff0c\u5b83\u64f4\u5c55\u4e86\u300c\u4e0a\u50b3\u8a0a\u606f\u300d\u7528\u4f8b\u3002\u9019\u8868\u793a\u5728\u67d0\u4e9b\u689d\u4ef6\u4e0b\uff0c\u4f8b\u5982\u7576\u8a0a\u606f\u88ab\u4e0a\u50b3\u6642\uff0c\u53ef\u80fd\u6703\u5411\u5176\u4ed6\u6210\u54e1\u767c\u9001\u901a\u77e5\u3002<\/p>\n<h3>\u7528\u9014<\/h3>\n<p>\u300c\u64f4\u5c55\u300d\u95dc\u4fc2\u6709\u52a9\u65bc\u6355\u6349\u53ef\u9078\u884c\u70ba\u548c\u4f8b\u5916\u60c5\u6cc1\u3002\u5b83\u5141\u8a31\u5728\u4e0d\u4fee\u6539\u57fa\u790e\u7528\u4f8b\u7684\u60c5\u6cc1\u4e0b\u589e\u52a0\u984d\u5916\u529f\u80fd\uff0c\u4f7f\u7cfb\u7d71\u66f4\u5177\u5f48\u6027\uff0c\u80fd\u9069\u61c9\u4e0d\u540c\u60c5\u5883\u3002<\/p>\n<h2>\u70ba\u4f55\u7528\u4f8b\u5716\u5c0d\u9700\u6c42\u5efa\u6a21\u6709\u5e6b\u52a9<\/h2>\n<h3>1. \u4ee5\u4f7f\u7528\u8005\u70ba\u4e2d\u5fc3\u7684\u65b9\u6cd5<\/h3>\n<p>\u7528\u4f8b\u5716\u8457\u91cd\u65bc\u4f7f\u7528\u8005\u7684\u89c0\u9ede\uff0c\u78ba\u4fdd\u7cfb\u7d71\u80fd\u6eff\u8db3\u4f7f\u7528\u8005\u7684\u9700\u6c42\u8207\u671f\u671b\u3002\u900f\u904e\u8b58\u5225\u53c3\u8207\u8005\u53ca\u5176\u8207\u7cfb\u7d71\u7684\u4e92\u52d5\uff0c\u6211\u5011\u53ef\u4ee5\u8a2d\u8a08\u51fa\u76f4\u89ba\u4e14\u4f7f\u7528\u8005\u53cb\u5584\u7684\u7cfb\u7d71\u3002<\/p>\n<h3>2. \u6e05\u6670\u7684\u9700\u6c42<\/h3>\n<p>\u7528\u4f8b\u5716\u6709\u52a9\u65bc\u4ee5\u6e05\u6670\u4e14\u7c21\u660e\u7684\u65b9\u5f0f\u6355\u6349\u548c\u8a18\u9304\u7cfb\u7d71\u7684\u529f\u80fd\u9700\u6c42\u3002\u6bcf\u500b\u7528\u4f8b\u4ee3\u8868\u4e00\u500b\u5177\u9ad4\u76ee\u6a19\u6216\u529f\u80fd\uff0c\u4f7f\u7cfb\u7d71\u9700\u6c42\u66f4\u6613\u65bc\u7406\u89e3\u8207\u7ba1\u7406\u3002<\/p>\n<h3>3. \u6e9d\u901a\u5de5\u5177<\/h3>\n<p>\u7528\u4f8b\u5716\u4f5c\u70ba\u5229\u76ca\u76f8\u95dc\u8005\u3001\u958b\u767c\u4eba\u54e1\u548c\u4f7f\u7528\u8005\u4e4b\u9593\u7684\u6e9d\u901a\u5de5\u5177\u3002\u5b83\u63d0\u4f9b\u7cfb\u7d71\u529f\u80fd\u7684\u8996\u89ba\u5316\u5448\u73fe\uff0c\u78ba\u4fdd\u6240\u6709\u4eba\u5c0d\u7cfb\u7d71\u884c\u70ba\u8207\u9700\u6c42\u6709\u5171\u540c\u7684\u7406\u89e3\u3002<\/p>\n<h3>4. \u8bc6\u522b\u7f3a\u53e3<\/h3>\n<p>\u900f\u904e\u5206\u6790\u4f7f\u7528\u6848\u4f8b\uff0c\u53ef\u4ee5\u5728\u958b\u767c\u904e\u7a0b\u7684\u65e9\u671f\u8b58\u5225\u7cfb\u7d71\u9700\u6c42\u4e2d\u7684\u6f5b\u5728\u7f3a\u53e3\u548c\u4e0d\u4e00\u81f4\u4e4b\u8655\uff0c\u4e26\u52a0\u4ee5\u89e3\u6c7a\u3002\u9019\u6709\u52a9\u65bc\u5efa\u7acb\u66f4\u7a69\u5065\u4e14\u53ef\u9760\u7684\u7cfb\u7d71\u3002<\/p>\n<h3>5. \u6e2c\u8a66\u6848\u4f8b<\/h3>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/use-case-diagram-software\/\">\u4f7f\u7528\u6848\u4f8b<\/a>\u53ef\u7528\u65bc\u63a8\u5c0e\u6e2c\u8a66\u6848\u4f8b\uff0c\u78ba\u4fdd\u7cfb\u7d71\u5f97\u5230\u5145\u5206\u6e2c\u8a66\u4e26\u7b26\u5408\u6307\u5b9a\u9700\u6c42\u3002\u6bcf\u500b\u4f7f\u7528\u6848\u4f8b\u53ef\u8f49\u5316\u70ba\u4e00\u500b\u6216\u591a\u500b\u6e2c\u8a66\u6848\u4f8b\uff0c\u6db5\u84cb\u4e3b\u8981\u6210\u529f\u60c5\u5883\u8207\u66ff\u4ee3\u60c5\u5883\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528\u6848\u4f8b\u5716\u662f\u4e00\u7a2e<a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/use-case-diagram-software\/\">\u5f37\u5927\u7684\u5de5\u5177<\/a>\u7528\u65bc\u5f9e\u4f7f\u7528\u8005\u89c0\u9ede\u7406\u89e3\u3001\u6355\u6349\u548c\u8a18\u9304\u7cfb\u7d71\u7684\u529f\u80fd\u9700\u6c42\u3002\u900f\u904e\u8b58\u5225\u53c3\u8207\u8005\u3001\u63cf\u8ff0\u4f7f\u7528\u6848\u4f8b\u3001\u5efa\u7acb\u4f7f\u7528\u6848\u4f8b\u5716\uff0c\u4e26\u5206\u6790\u4f7f\u7528\u6848\u4f8b\uff0c\u958b\u767c\u4eba\u54e1\u548c\u5229\u76ca\u76f8\u95dc\u8005\u53ef\u78ba\u4fdd\u7cfb\u7d71\u7b26\u5408\u4f7f\u7528\u8005\u9700\u6c42\u4e26\u63d0\u4f9b\u6240\u9700\u529f\u80fd\u3002\u4f7f\u7528\u6848\u4f8b\u5716\u4e2d\u7684\u300c\u5305\u542b\u300d\u548c\u300c\u64f4\u5c55\u300d\u95dc\u4fc2\u6709\u52a9\u65bc\u6a21\u7d44\u5316\u4f7f\u7528\u6848\u4f8b\uff0c\u907f\u514d\u91cd\u8907\uff0c\u4e26\u6355\u6349\u53ef\u9078\u884c\u70ba\u8207\u4f8b\u5916\u60c5\u6cc1\u3002<\/p>\n<p>\u5c0d\u65bc\u5e0c\u671b\u5efa\u7acb\u4f7f\u7528\u6848\u4f8b\u5716\u53ca\u5176\u4ed6\u7cfb\u7d71\u8996\u89ba\u5316\u8868\u793a\u7684\u7d44\u7e54\u800c\u8a00\uff0c\u50cf<a 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