{"id":1658,"date":"2026-03-27T21:27:54","date_gmt":"2026-03-27T21:27:54","guid":{"rendered":"https:\/\/www.go-diagram.com\/tw\/use-case-diagram-basics-component-analysis\/"},"modified":"2026-03-27T21:27:54","modified_gmt":"2026-03-27T21:27:54","slug":"use-case-diagram-basics-component-analysis","status":"publish","type":"post","link":"https:\/\/www.go-diagram.com\/tw\/use-case-diagram-basics-component-analysis\/","title":{"rendered":"\u5256\u6790\u57fa\u790e\uff1a\u7528\u4f8b\u5716\u7684\u5143\u4ef6\u5206\u6790"},"content":{"rendered":"<p>\u7406\u89e3\u7cfb\u7d71\u7684\u884c\u70ba\u8207\u7406\u89e3\u5176\u5132\u5b58\u7684\u8cc7\u6599\u540c\u6a23\u91cd\u8981\u3002\u5728\u8edf\u9ad4\u5de5\u7a0b\u8207\u7cfb\u7d71\u5206\u6790\u7684\u4e16\u754c\u4e2d\uff0c\u8996\u89ba\u5316\u4e92\u52d5\u81f3\u95dc\u91cd\u8981\u3002\u7528\u4f8b\u5716\u4f5c\u70ba\u6355\u6349\u529f\u80fd\u9700\u6c42\u7684\u4e3b\u8981\u5de5\u5177\u812b\u7a4e\u800c\u51fa\u3002\u5b83\u900f\u904e\u5448\u73fe\u300c\u8ab0\u300d\u8207\u300c\u4ec0\u9ebc\u300d\uff0c\u800c\u4e0d\u9677\u5165\u300c\u5982\u4f55\u300d\u7684\u7d30\u7bc0\uff0c\u67b6\u8d77\u4e86\u6280\u8853\u5718\u968a\u8207\u5229\u76ca\u76f8\u95dc\u8005\u4e4b\u9593\u7684\u6a4b\u6a11\u3002\u672c\u6307\u5357\u6df1\u5165\u63a2\u8a0e\u9019\u4e9b\u5716\u8868\u7684\u7d50\u69cb\uff0c\u5256\u6790\u4f7f\u5b83\u5011\u6210\u70ba\u6709\u6548\u6e9d\u901a\u5de5\u5177\u7684\u6bcf\u4e00\u9805\u5143\u4ef6\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Sketch-style infographic explaining Use Case Diagram components in UML: actors (primary\/secondary\/external), use cases (Verb+Object format), system boundary rectangle, and four relationship types (association, include, extend, generalization) with visual examples, best practices, and common pitfalls for software engineering requirements modeling\" decoding=\"async\" src=\"https:\/\/www.go-diagram.com\/wp-content\/uploads\/2026\/03\/use-case-diagram-components-infographic-sketch.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83c\udfaf \u4ec0\u9ebc\u662f\u7528\u4f8b\u5716\uff1f<\/h2>\n<p>\u7528\u4f8b\u5716\u662f\u4e00\u7a2e\u7d71\u4e00\u6a21\u578b\u8a9e\u8a00\uff08UML\uff09\u5716\u8868\u3002\u5176\u4e3b\u8981\u76ee\u7684\u662f\u5f9e\u5916\u90e8\u89c0\u5bdf\u8005\u7684\u89d2\u5ea6\u63cf\u8ff0\u7cfb\u7d71\u7684\u529f\u80fd\u3002\u8207\u5c08\u6ce8\u65bc\u985e\u6216\u8cc7\u6599\u5eab\u7b49\u975c\u614b\u5143\u7d20\u7684\u7d50\u69cb\u5716\u4e0d\u540c\uff0c\u6b64\u5716\u5c08\u6ce8\u65bc\u52d5\u614b\u884c\u70ba\u3002\u5b83\u56de\u7b54\u4ee5\u4e0b\u7279\u5b9a\u554f\u984c\uff1a<\/p>\n<ul>\n<li>\u8ab0\u8207\u7cfb\u7d71\u4e92\u52d5\uff1f<\/li>\n<li>\u9019\u4e9b\u4f7f\u7528\u8005\u53ef\u4ee5\u57f7\u884c\u54ea\u4e9b\u64cd\u4f5c\uff1f<\/li>\n<li>\u9019\u4e9b\u64cd\u4f5c\u4e4b\u9593\u6709\u4f55\u95dc\u806f\uff1f<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u5716\u8868\u5728\u9700\u6c42\u6536\u96c6\u968e\u6bb5\u81f3\u95dc\u91cd\u8981\u3002\u5b83\u5011\u6709\u52a9\u65bc\u754c\u5b9a\u5c08\u6848\u7684\u7bc4\u570d\uff0c\u4e26\u78ba\u4fdd\u5728\u958b\u59cb\u7de8\u78bc\u524d\uff0c\u6240\u6709\u5fc5\u8981\u529f\u80fd\u90fd\u5df2\u7d0d\u5165\u8003\u91cf\u3002\u900f\u904e\u805a\u7126\u65bc\u4f7f\u7528\u8005\u76ee\u6a19\uff0c\u5b83\u5011\u53ef\u907f\u514d\u8a2d\u8a08\u51fa\u4f7f\u7528\u8005\u5be6\u969b\u4e0d\u9700\u8981\u7684\u529f\u80fd\u9019\u4e00\u5e38\u898b\u9677\u9631\u3002<\/p>\n<h2>\ud83e\udde9 \u7528\u4f8b\u5716\u7684\u6838\u5fc3\u5143\u4ef6<\/h2>\n<p>\u8981\u69cb\u5efa\u6e05\u6670\u4e14\u6709\u6548\u7684\u5716\u8868\uff0c\u5fc5\u9808\u7406\u89e3\u5176\u57fa\u672c\u69cb\u6210\u8981\u7d20\u3002\u6bcf\u500b\u6709\u6548\u7684\u5716\u8868\u90fd\u4f9d\u8cf4\u65bc\u4e00\u7d44\u7279\u5b9a\u7684\u7b26\u865f\u3002\u6bcf\u500b\u7b26\u865f\u90fd\u5c0d\u7cfb\u7d71\u67b6\u69cb\u5177\u6709\u7368\u7279\u7684\u542b\u7fa9\u3002<\/p>\n<h3>1. \u4e92\u52d5\u8005 \ud83d\udc64<\/h3>\n<p>\u4e92\u52d5\u8005\u4ee3\u8868\u4f7f\u7528\u8005\u6216\u8207\u8edf\u9ad4\u4e92\u52d5\u7684\u5916\u90e8\u7cfb\u7d71\u6240\u626e\u6f14\u7684\u89d2\u8272\u3002\u5fc5\u9808\u8a18\u4f4f\uff0c\u4e92\u52d5\u8005\u4e26\u975e\u7279\u5b9a\u500b\u4eba\uff0c\u800c\u662f\u4e00\u7a2e\u89d2\u8272\u3002\u4e00\u500b\u4eba\u53ef\u80fd\u626e\u6f14\u591a\u500b\u89d2\u8272\uff0c\u800c\u591a\u500b\u4eba\u4e5f\u53ef\u80fd\u5171\u4eab\u540c\u4e00\u500b\u89d2\u8272\u3002<\/p>\n<ul>\n<li><strong>\u4e3b\u8981\u4e92\u52d5\u8005\uff1a<\/strong> \u9019\u4e9b\u4e92\u52d5\u8005\u555f\u52d5\u4e92\u52d5\u4ee5\u9054\u6210\u7279\u5b9a\u76ee\u6a19\u3002\u4ed6\u5011\u901a\u5e38\u662f\u7cfb\u7d71\u7684\u4e3b\u8981\u53d7\u76ca\u8005\u3002<\/li>\n<li><strong>\u6b21\u8981\u4e92\u52d5\u8005\uff1a<\/strong> \u9019\u4e9b\u7cfb\u7d71\u6216\u4f7f\u7528\u8005\u652f\u63f4\u4e3b\u8981\u4e92\u52d5\u8005\u3002\u4ed6\u5011\u4e0d\u6703\u555f\u52d5\u7528\u4f8b\uff0c\u4f46\u63d0\u4f9b\u5fc5\u8981\u7684\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u5916\u90e8\u7cfb\u7d71\uff1a<\/strong> \u6709\u6642\uff0c\u7b2c\u4e09\u65b9\u670d\u52d9\u6703\u626e\u6f14\u4e92\u52d5\u8005\u7684\u89d2\u8272\u3002\u4f8b\u5982\uff0c\u96fb\u5b50\u5546\u52d9\u61c9\u7528\u4e2d\u7684\u652f\u4ed8\u7db2\u95dc\u3002<\/li>\n<\/ul>\n<p>\u4e92\u52d5\u8005\u901a\u5e38\u4ee5\u7c21\u7b46\u4eba\u5f62\u5716\u793a\u8868\u793a\u3002\u5c07\u4e92\u52d5\u8005\u7f6e\u65bc\u7cfb\u7d71\u908a\u754c\u4e4b\u5916\uff0c\u8868\u793a\u5176\u7368\u7acb\u65bc\u6240\u5efa\u6a21\u7684\u8edf\u9ad4\u5b58\u5728\u3002<\/p>\n<h3>2. \u7528\u4f8b \ud83c\udfac<\/h3>\n<p>\u7528\u4f8b\u4ee3\u8868\u7cfb\u7d71\u63d0\u4f9b\u7684\u7279\u5b9a\u529f\u80fd\u6216\u670d\u52d9\u3002\u5b83\u662f\u80fd\u70ba\u4e92\u52d5\u8005\u5e36\u4f86\u50f9\u503c\u7684\u5b8c\u6574\u529f\u80fd\u55ae\u5143\u3002\u5b83\u4e0d\u662f\u55ae\u4e00\u756b\u9762\u6216\u6309\u9215\u9ede\u64ca\uff0c\u800c\u662f\u4e00\u9805\u5b8c\u6210\u76ee\u6a19\u7684\u4efb\u52d9\u3002<\/p>\n<ul>\n<li><strong>\u8868\u793a\u65b9\u5f0f\uff1a<\/strong> \u4ee5\u6a62\u5713\u5f62\u7e6a\u88fd\u3002<\/li>\n<li><strong> \u6a19\u7c64\uff1a<\/strong> \u61c9\u9075\u5faa\u300c\u52d5\u8a5e\uff0b\u540d\u8a5e\u300d\u683c\u5f0f\uff08\u4f8b\u5982\uff1a\u300c\u4e0b\u8a02\u55ae\u300d\u6216\u300c\u7522\u751f\u5831\u8868\u300d\uff09\u3002<\/li>\n<li><strong> \u7bc4\u570d\uff1a<\/strong> \u5fc5\u9808\u4f4d\u65bc\u7cfb\u7d71\u908a\u754c\u5167\u3002\u82e5\u9700\u5916\u90e8\u908f\u8f2f\uff0c\u5247\u61c9\u6b78\u5c6c\u65bc\u53e6\u4e00\u500b\u4e92\u52d5\u8005\u6216\u7cfb\u7d71\u3002<\/li>\n<\/ul>\n<h3>3. \u7cfb\u7d71\u908a\u754c \ud83e\uddf1<\/h3>\n<p>\u7cfb\u7d71\u908a\u754c\u5b9a\u7fa9\u4e86\u6240\u5efa\u6a21\u8edf\u9ad4\u7684\u7bc4\u570d\u3002\u901a\u5e38\u4ee5\u77e9\u5f62\u8868\u793a\u3002\u77e9\u5f62\u5167\u7684\u6240\u6709\u5167\u5bb9\u5747\u5c6c\u65bc\u7cfb\u7d71\uff0c\u77e9\u5f62\u5916\u7684\u6240\u6709\u5167\u5bb9\u5247\u70ba\u4e92\u52d5\u8005\u6216\u5916\u90e8\u4f9d\u8cf4\u3002<\/p>\n<ul>\n<li>\u6e05\u6670\u5ea6\u5728\u6b64\u81f3\u95dc\u91cd\u8981\u3002\u908a\u754c\u6709\u52a9\u65bc\u5340\u5206\u5167\u90e8\u6d41\u7a0b\u8207\u5916\u90e8\u4e92\u52d5\u3002<\/li>\n<li>\u5b83\u8b93\u76f8\u95dc\u65b9\u80fd\u5920\u770b\u5230\u7522\u54c1\u7576\u524d\u7248\u672c\u4e2d\u5305\u542b\u7684\u5167\u5bb9\u8207\u7bc4\u570d\u4e4b\u5916\u7684\u5167\u5bb9\u3002<\/li>\n<\/ul>\n<h3>4. \u95dc\u4fc2 \ud83d\udd17<\/h3>\n<p>\u7dda\u689d\u5c07\u53c3\u8207\u8005\u9023\u63a5\u5230\u7528\u4f8b\uff0c\u4e26\u5c07\u7528\u4f8b\u9023\u63a5\u5230\u5176\u4ed6\u7528\u4f8b\u3002\u9019\u4e9b\u7dda\u689d\u5b9a\u7fa9\u4e86\u4e92\u52d5\u7684\u6027\u8cea\u3002\u6b64\u5efa\u6a21\u6280\u8853\u4e2d\u4f7f\u7528\u4e86\u56db\u7a2e\u6a19\u6e96\u7684\u95dc\u4fc2\u985e\u578b\u3002<\/p>\n<h2>\ud83d\udd17 \u7406\u89e3\u95dc\u4fc2\u985e\u578b<\/h2>\n<p>\u5143\u7d20\u4e4b\u9593\u7684\u9023\u63a5\u6c7a\u5b9a\u4e86\u7cfb\u7d71\u7684\u908f\u8f2f\u3002\u8aa4\u89e3\u9019\u4e9b\u7dda\u689d\u53ef\u80fd\u6703\u5c0e\u81f4\u958b\u767c\u904e\u7a0b\u4e2d\u7684\u91cd\u5927\u932f\u8aa4\u3002\u4ee5\u4e0b\u662f\u6bcf\u7a2e\u95dc\u4fc2\u985e\u578b\u7684\u8a73\u7d30\u8aaa\u660e\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u95dc\u4fc2<\/th>\n<th>\u7b26\u865f<\/th>\n<th>\u542b\u7fa9<\/th>\n<th>\u7bc4\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u95dc\u806f<\/td>\n<td>\u5be6\u7dda<\/td>\n<td>\u53c3\u8207\u8005\u8207\u7528\u4f8b\u4e4b\u9593\u7684\u6e9d\u901a\u3002<\/td>\n<td>\u4e00\u4f4d\u9867\u5ba2\u4e0b\u8a02\u55ae\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5305\u542b<\/td>\n<td>\u865b\u7dda + &lt;&lt;\u5305\u542b&gt;&gt;<\/td>\n<td>\u5f37\u5236\u884c\u70ba\u3002\u57fa\u790e\u7528\u4f8b\u7e3d\u662f\u8abf\u7528\u88ab\u5305\u542b\u7684\u7528\u4f8b\u3002<\/td>\n<td>\u300c\u767b\u5165\u300d\u5305\u542b\u5728\u300c\u7d50\u5e33\u300d\u4e2d\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u64f4\u5c55<\/td>\n<td>\u865b\u7dda + &lt;&lt;\u64f4\u5c55&gt;&gt;<\/td>\n<td>\u9078\u64c7\u6027\u884c\u70ba\u3002\u64f4\u5c55\u7528\u4f8b\u5728\u7279\u5b9a\u689d\u4ef6\u4e0b\u589e\u52a0\u884c\u70ba\u3002<\/td>\n<td>\u5982\u679c\u4ee3\u78bc\u6709\u6548\uff0c\u300c\u61c9\u7528\u6298\u6263\u300d\u5c07\u64f4\u5c55\u300c\u7d50\u5e33\u300d\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u6cdb\u5316<\/td>\n<td>\u5be6\u7dda + \u7a7a\u5fc3\u4e09\u89d2\u5f62<\/td>\n<td>\u7e7c\u627f\u3002\u5b50\u53c3\u8207\u8005\u6216\u7528\u4f8b\u7e7c\u627f\u7236\u53c3\u8207\u8005\u6216\u7528\u4f8b\u7684\u884c\u70ba\u3002<\/td>\n<td>\u300cVIP\u9867\u5ba2\u300d\u662f\u300c\u9867\u5ba2\u300d\u7684\u6cdb\u5316\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u95dc\u806f\u7dda<\/h3>\n<p>\u9019\u662f\u6700\u57fa\u672c\u7684\u9023\u63a5\u3002\u5b83\u986f\u793a\u53c3\u8207\u8005\u53ef\u4ee5\u555f\u52d5\u6216\u53c3\u8207\u67d0\u500b\u7528\u4f8b\u3002\u95dc\u806f\u7684\u65b9\u5411\u4e26\u4e0d\u7e3d\u662f\u8868\u793a\u8cc7\u6599\u6d41\uff1b\u800c\u662f\u8868\u793a\u4e92\u52d5\u80fd\u529b\u3002\u4e00\u689d\u7c21\u55ae\u7684\u7dda\u5c07\u4eba\u5f62\u5716\u793a\u9023\u63a5\u5230\u6a62\u5713\u5f62\u3002<\/p>\n<h3>\u5305\u542b\u95dc\u4fc2<\/h3>\n<p>\u300c\u5305\u542b\u300d\u95dc\u4fc2\u5c07\u5171\u7528\u529f\u80fd\u63d0\u53d6\u5230\u4e00\u500b\u7368\u7acb\u7684\u7528\u4f8b\u4e2d\uff0c\u4ee5\u907f\u514d\u91cd\u8907\u3002\u9019\u4fc3\u9032\u4e86\u91cd\u7528\u6027\u3002\u5982\u679c\u7528\u4f8bA\u5305\u542b\u7528\u4f8bB\uff0c\u5247\u7528\u4f8bB<em>\u5fc5\u9808<\/em> \u7576\u4f7f\u7528\u6848\u4f8b A \u57f7\u884c\u6642\uff0c\u4e5f\u61c9\u57f7\u884c\u3002<\/p>\n<ul>\n<li><strong> \u60c5\u5883\uff1a<\/strong> \u60f3\u50cf\u4e00\u500b\u5716\u66f8\u9928\u7cfb\u7d71\u3002\u300e\u501f\u66f8\u300f\u548c\u300e\u7e8c\u501f\u66f8\u300f\u5169\u500b\u4f7f\u7528\u6848\u4f8b\u90fd\u8981\u6c42\u4f7f\u7528\u8005\u9032\u884c\u300e\u9a57\u8b49\u8eab\u4efd\u300f\u3002\u4f60\u4e0d\u9700\u8981\u5728\u5169\u500b\u6a62\u5713\u5167\u90fd\u756b\u51fa\u300e\u9a57\u8b49\u8eab\u4efd\u300f\uff0c\u800c\u662f\u5efa\u7acb\u4e00\u500b\u55ae\u7368\u7684\u300e\u9a57\u8b49\u8eab\u4efd\u300f\u4f7f\u7528\u6848\u4f8b\uff0c\u4e26\u4ee5\u5305\u542b\u95dc\u4fc2\u9023\u7d50\u9019\u5169\u500b\u4f7f\u7528\u6848\u4f8b\u3002<\/li>\n<li><strong> \u512a\u9ede\uff1a<\/strong> \u9019\u80fd\u8b93\u5716\u8868\u4fdd\u6301\u6574\u6f54\uff0c\u4e26\u78ba\u4fdd\u7576\u9a57\u8b49\u908f\u8f2f\u8b8a\u66f4\u6642\uff0c\u53ea\u9700\u5728\u4e00\u500b\u5730\u65b9\u66f4\u65b0\u5373\u53ef\u3002<\/li>\n<\/ul>\n<h3> 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