{"id":10700,"date":"2026-03-05T14:16:57","date_gmt":"2026-03-05T06:16:57","guid":{"rendered":"https:\/\/www.archimetric.com\/tw\/understanding-uml-multiplicity\/"},"modified":"2026-03-05T14:16:57","modified_gmt":"2026-03-05T06:16:57","slug":"understanding-uml-multiplicity","status":"publish","type":"post","link":"https:\/\/www.archimetric.com\/tw\/understanding-uml-multiplicity\/","title":{"rendered":"\u7406\u89e3UML\u591a\u91cd\u6027"},"content":{"rendered":"<p>\u5728\u8edf\u9ad4\u8a2d\u8a08\u8207\u5efa\u6a21\u9818\u57df\u4e2d\uff0c\u7d71\u4e00\u6a21\u578b\u8a9e\u8a00\uff08UML\uff09\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u7528\u65bc\u8996\u89ba\u5316\u548c\u8a18\u9304\u7cfb\u7d71\u7684\u7d50\u69cb\u8207\u884c\u70ba\u3002UML\u4e2d\u4e00\u500b\u95dc\u9375\u7684\u6982\u5ff5\u662f<a href=\"https:\/\/blog.visual-paradigm.com\/what-is-multiplicity\/\"><strong>\u591a\u91cd\u6027<\/strong><\/a>\uff0c\u5b83\u5b9a\u7fa9\u4e86\u53c3\u8207\u95dc\u806f\u7684\u7269\u4ef6\u6578\u91cf\u7684\u9650\u5236\u3002\u672c\u6587\u6df1\u5165\u63a2\u8a0e\u591a\u91cd\u6027\u7684\u6982\u5ff5\u3001\u5176\u91cd\u8981\u6027\uff0c\u4ee5\u53ca\u5b83\u5728UML\u5716\u8868\u4e2d\u7684\u61c9\u7528\u65b9\u5f0f\u3002<\/p>\n<h4>\u4ec0\u9ebc\u662f\u591a\u91cd\u6027\uff1f<\/h4>\n<p><a href=\"https:\/\/blog.visual-paradigm.com\/what-is-multiplicity\/\">UML\u4e2d\u7684\u591a\u91cd\u6027<\/a>\u662f\u4e00\u7a2e\u7d04\u675f\uff0c\u7528\u4ee5\u6307\u5b9a\u53c3\u8207\u95dc\u806f\u4e00\u7aef\u7684\u7269\u4ef6\u6578\u91cf\u3002\u5b83\u56de\u7b54\u4e86\u5982\u300c\u4e00\u500b\u4eba\u6700\u591a\u53ef\u4ee5\u64c1\u6709\u5e7e\u8f1b\u8eca\uff1f\u300d\u6216\u300c\u4e00\u8f1b\u8eca\u6700\u591a\u53ef\u4ee5\u7531\u5e7e\u500b\u4eba\u99d5\u99db\uff1f\u300d\u4e4b\u985e\u7684\u554f\u984c\u3002\u900f\u904e\u5b9a\u7fa9\u591a\u91cd\u6027\uff0c\u60a8\u53ef\u4ee5\u8a2d\u5b9a\u6bcf\u500b\u985e\u5225\u4e2d\u7269\u4ef6\u4e4b\u9593\u95dc\u806f\u7684\u898f\u5247\uff0c\u63d0\u4f9b\u4e00\u7a2e\u6e05\u6670\u4e14\u7c21\u6f54\u7684\u65b9\u5f0f\u4f86\u8868\u9054\u9019\u4e9b\u95dc\u4fc2\u3002<\/p>\n<h4>\u8868\u9054\u591a\u91cd\u6027<\/h4>\n<p>\u591a\u91cd\u6027\u901a\u5e38\u4ee5\u4e00\u500b\u7bc4\u570d\u4f86\u8868\u793a\uff0c\u7528\u4ee5\u5b9a\u7fa9\u95dc\u806f\u4e2d\u5141\u8a31\u7684\u6700\u5c11\u8207\u6700\u591a\u7269\u4ef6\u6578\u91cf\u3002\u8868\u9054\u591a\u91cd\u6027\u7684\u683c\u5f0f\u70ba\uff1a<\/p>\n<ul>\n<li><strong>\u7cbe\u78ba\u6578\u91cf<\/strong>\uff1a\u4e00\u500b\u55ae\u4e00\u6578\u5b57\uff0c\u8868\u793a\u7269\u4ef6\u7684\u78ba\u5207\u6578\u91cf\u3002<\/li>\n<li><strong>\u7bc4\u570d<\/strong>\uff1a\u5169\u500b\u4ee5\u5169\u500b\u9ede\uff08..\uff09\u5206\u9694\u7684\u6578\u5b57\uff0c\u8868\u793a\u6700\u5c0f\u8207\u6700\u5927\u6578\u91cf\u3002<\/li>\n<li><strong>\u661f\u865f\uff08*\uff09<\/strong>\uff1a\u8868\u793a\u7269\u4ef6\u6578\u91cf\u7121\u9650\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><code class=\"\">1<\/code>\uff1a\u6070\u597d\u4e00\u500b\u7269\u4ef6\u3002<\/li>\n<li><code class=\"\">0..1<\/code>\uff1a\u96f6\u500b\u6216\u4e00\u500b\u7269\u4ef6\u3002<\/li>\n<li><code class=\"\">1..*<\/code>\uff1a\u81f3\u5c11\u4e00\u500b\u7269\u4ef6\uff0c\u7121\u4e0a\u9650\u3002<\/li>\n<li><code class=\"\">*<\/code>\uff1a\u4efb\u4f55\u6578\u91cf\u7684\u7269\u4ef6\uff0c\u5305\u62ec\u96f6\u3002<\/li>\n<\/ul>\n<p><img alt=\"What is Multiplicity\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2024\/12\/05-multiplicities-examples.png\"\/><\/p>\n<h4>\u5728\u95dc\u806f\u4e2d\u61c9\u7528\u591a\u91cd\u6027<\/h4>\n<p>\u5728\u5c0d\u985e\u5225\u4e4b\u9593\u7684\u95dc\u806f\u9032\u884c\u5efa\u6a21\u6642\uff0c\u591a\u91cd\u6027\u6703\u88ab\u5206\u914d\u5230\u95dc\u806f\u7684\u6bcf\u4e00\u7aef\u3002\u4f8b\u5982\uff0c\u8003\u616e\u300c<code class=\"\">\u4eba<\/code>\u300d\u985e\u5225\u8207\u300c<code class=\"\">\u8eca<\/code>\u300d\u985e\u5225\u4e4b\u9593\u7684\u95dc\u806f\uff1a<\/p>\n<ul>\n<li><strong>\u554f\u984c 1<\/strong>: \u4e00\u500b\u4eba\u6700\u591a\u53ef\u4ee5\u64c1\u6709\u591a\u5c11\u8f1b\u6c7d\u8eca\uff1f<\/li>\n<li><strong>\u554f\u984c 2<\/strong>: \u4e00\u8f1b\u7279\u5b9a\u7684\u6c7d\u8eca\u6700\u591a\u53ef\u4ee5\u7531\u591a\u5c11\u4eba\u99d5\u99db\uff1f<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u554f\u984c\u7684\u7b54\u6848\u6703\u653e\u5728\u95dc\u806f\u4e2d\u76f8\u61c9\u985e\u5225\u7684\u65c1\u908a\u3002\u5982\u679c\u4e00\u500b\u4eba\u53ef\u4ee5\u64c1\u6709\u4e00\u5230\u591a\u8f1b\u6c7d\u8eca\uff0c\u90a3\u9ebc\u9760\u8fd1\u300c<code class=\"\">\u6c7d\u8eca<\/code>\u300d\u985e\u5225\u7684\u6578\u91cf\u9650\u5236\u6703\u662f<code class=\"\">0..*<\/code>\u3002\u53cd\u4e4b\uff0c\u5982\u679c\u4e00\u8f1b\u6c7d\u8eca\u53ef\u4ee5\u7531\u4e00\u5230\u591a\u4eba\u99d5\u99db\uff0c\u90a3\u9ebc\u9760\u8fd1\u300c<code class=\"\">\u4eba<\/code>\u300d\u985e\u5225\u7684\u6578\u91cf\u9650\u5236\u6703\u662f<code class=\"\">1..*<\/code>.<\/p>\n<h4>\u7bc4\u4f8b\uff1a\u904b\u9001\u8207\u7522\u54c1<\/h4>\n<p>\u70ba\u8aaa\u660e\uff0c\u8003\u616e\u4ee5\u4e0b\u60c5\u5883\uff1a\u4e00\u500b<code class=\"\">\u904b\u9001<\/code>\u5fc5\u9808\u81f3\u5c11\u5305\u542b\u4e00\u500b<code class=\"\">\u7522\u54c1<\/code>\uff0c\u4f46\u4e5f\u53ef\u4ee5\u5305\u542b\u6240\u9700\u6578\u91cf\u7684\u7522\u54c1\u3002\u95dc\u806f\u4e2d\u300c<code class=\"\">\u7522\u54c1<\/code>\u300d\u7aef\u7684\u6578\u91cf\u9650\u5236\u6703\u662f<code class=\"\">1..*<\/code>\uff0c\u8868\u793a\u4e00\u500b\u904b\u9001\u5fc5\u9808\u81f3\u5c11\u5305\u542b\u4e00\u500b\u7522\u54c1\uff0c\u4f46\u4e5f\u53ef\u4ee5\u5305\u542b\u591a\u500b\u3002<\/p>\n<h4>\u7b26\u865f\u8207\u6a19\u8a18<\/h4>\n<p>\u5728UML\u5716\u4e2d\uff0c\u6578\u91cf\u9650\u5236\u4f7f\u7528\u7279\u5b9a\u7684\u6a19\u8a18\u65b9\u5f0f\u8868\u793a\uff1a<\/p>\n<ul>\n<li><strong>\u661f\u865f\uff08*\uff09<\/strong>: \u8868\u793a\u7121\u9650\u6578\u91cf\u7684\u7269\u4ef6\u3002<\/li>\n<li><strong>\u7bc4\u570d\uff08<code class=\"\">\u6700\u5c0f\u503c..\u6700\u5927\u503c<\/code>)<\/strong>: \u6307\u5b9a\u7269\u4ef6\u7684\u6700\u5c0f\u548c\u6700\u5927\u6578\u91cf\u3002<\/li>\n<li><strong>\u7cbe\u78ba\u6578\u91cf<\/strong>: \u8868\u793a\u7269\u4ef6\u7684\u7cbe\u78ba\u6578\u91cf\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u7b26\u865f\u6709\u52a9\u65bc\u660e\u78ba\u5b9a\u7fa9\u898f\u7bc4\u985e\u5225\u4e4b\u9593\u95dc\u4fc2\u7684\u7d04\u675f\u548c\u898f\u5247\u3002<\/p>\n<h3>\u7bc4\u4f8b 1\uff1a\u4eba\u54e1\u8207\u6c7d\u8eca<\/h3>\n<p>\u5728\u6b64\u7bc4\u4f8b\u4e2d\uff0c\u4e00\u500b<code class=\"\">\u4eba\u54e1<\/code> \u53ef\u64c1\u6709\u96f6\u81f3\u591a\u500b<code class=\"\">\u6c7d\u8eca<\/code>\uff0c\u4e14\u4e00\u672c<code class=\"\">\u6c7d\u8eca<\/code> \u53ef\u7531\u4e00\u500b\u81f3\u591a\u500b<code class=\"\">\u4eba\u54e1<\/code>.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2024\/12\/img_67652d8a9b1e6.png\"\/><\/p>\n<h3>\u7bc4\u4f8b 2\uff1a\u8ca8\u904b\u8207\u7522\u54c1<\/h3>\n<p>\u5728\u6b64\u7bc4\u4f8b\u4e2d\uff0c\u4e00\u500b<code class=\"\">\u8ca8\u904b<\/code> \u5fc5\u9808\u5305\u542b\u81f3\u5c11\u4e00\u500b<code class=\"\">\u7522\u54c1<\/code> \u4f46\u53ef\u5305\u542b\u6240\u9700\u6578\u91cf\u7684\u7522\u54c1\u3002<\/p>\n<p><img alt=\"SoWkIImgAStDuULApaaiBbO8piWio4tDAr6evkLIKD1EpiyhISpCAmueoayfJIufrj2qKl39B2wnWGhOyNBLydB1D4C5eNepyv9pIbDIKpppO8OYjCD4OFhXrYePwkbfAIdewi9OC3Ej561kKG1gSaZDIm6x6W00 (321\u00d7218)\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2024\/12\/img_67652d8b3ea92.png\"\/><\/p>\n<h3>\u7bc4\u4f8b 3\uff1a\u5716\u66f8\u9928\u8207\u66f8\u7c4d<\/h3>\n<p>\u5728\u6b64\u7bc4\u4f8b\u4e2d\uff0c\u4e00\u500b<code class=\"\">\u5716\u66f8\u9928<\/code> \u53ef\u64c1\u6709\u8a31\u591a<code class=\"\">\u66f8\u7c4d<\/code>\uff0c\u4e14\u4e00\u672c<code class=\"\">\u66f8\u7c4d<\/code> \u53ef\u5728\u4e00\u500b<code class=\"\">\u5716\u66f8\u9928<\/code>.<\/p>\n<p><img alt=\"SoWkIImgAStDuULApaaiBbRmoKmgIYogLAZcvL9GqCv8B7RApyykrj2q0ieKbzY0U7QyNBMyN30D816ewhJyqhmKppoe4H0zO2PK0yni9KCb1LrT1IK3FJqj9OW1LWh9-NabYPbvnGf0unrIyrB0RW80 (210\u00d7218)\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2024\/12\/img_67652d8be004c.png\"\/><\/p>\n<h3>\u7bc4\u4f8b 4\uff1a\u6559\u5e2b\u8207\u5b78\u751f<\/h3>\n<p>\u5728\u6b64\u7bc4\u4f8b\u4e2d\uff0c\u4e00\u500b<code class=\"\">\u6559\u5e2b<\/code>\u53ef\u4ee5\u6559\u5c0e\u8a31\u591a<code class=\"\">\u5b78\u751f<\/code>\uff0c\u4e14\u4e00\u500b<code class=\"\">\u5b78\u751f<\/code>\u53ef\u4ee5\u7531\u4e00\u4f4d<code class=\"\">\u6559\u5e2b<\/code>.<\/p>\n<p><img alt=\"SoWkIImgAStDuULApaaiBbO8IKrCpaWjKgZcvL9Gq2u1yug3IqfJKlDAYZKqhHHyCejBRA02ThnSjRnSCArGGPZMnDBqZ1AdIgY18ArG9bGJp2ObGoK5NLq59GCzFIqbk25M2b2x5O2MEAJcfO3T2000 (279\u00d7218)\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2024\/12\/img_67652d8c80d65.png\"\/><\/p>\n<h3>\u7bc4\u4f8b 5\uff1a\u8a02\u55ae\u8207\u9805\u76ee<\/h3>\n<p>\u5728\u6b64\u7bc4\u4f8b\u4e2d\uff0c\u4e00\u500b<code class=\"\">\u8a02\u55ae<\/code>\u53ef\u4ee5\u5305\u542b\u4e00\u500b\u6216\u591a\u500b<code class=\"\">\u9805\u76ee<\/code>\uff0c\u4e14\u4e00\u540d<code class=\"\">\u9805\u76ee<\/code>\u53ef\u4ee5\u5c6c\u65bc\u96f6\u500b\u6216\u591a\u500b<code class=\"\">\u8a02\u55ae<\/code>.<\/p>\n<p><img alt=\"SoWkIImgAStDuULApaaiBbRmBqf9BLAevkLIKD1EpiyhISpCA_OiISqjrj2qKl39B2wn0V7iUBbgURbWUa0YK2q5GDFyqy2687I0kJ0j40kK3FNqj9GKT7KLb0p0BB0PLWemAnM0oXrIyrB0BWC0 (239\u00d7218)\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2024\/12\/img_67652d8d1e04f.png\"\/><\/p>\n<h3>\u7bc4\u4f8b 6\uff1a\u516c\u53f8\u8207\u54e1\u5de5<\/h3>\n<p>\u5728\u6b64\u7bc4\u4f8b\u4e2d\uff0c\u4e00\u500b<code class=\"\">\u516c\u53f8<\/code>\u53ef\u4ee5\u64c1\u6709\u8a31\u591a<code class=\"\">\u54e1\u5de5<\/code>\uff0c\u4e14\u4e00\u540d<code class=\"\">\u54e1\u5de5<\/code>\u70ba\u4e00\u5bb6<code class=\"\">\u516c\u53f8<\/code>.<\/p>\n<p><img alt=\"SoWkIImgAStDuULApaaiBbPmpiyjICohLAZcvL9GqCv8B7RDBSZ9hqnDBTRGj5BmoImkiO69sF5orV9omJJ2HA4wo_EBielTyekWve4qGvbGNJ2Bb0oL57Hr5PGCzFIqb12cM2caWfd52a1h75BpKi1k1000 (277\u00d7218)\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2024\/12\/img_67652d8db7999.png\"\/><\/p>\n<p>\u9019\u4e9b\u7bc4\u4f8b\u8aaa\u660e\u4e86\u591a\u91cd\u6027\u5982\u4f55\u7528\u65bc\u5b9a\u7fa9\u53c3\u8207\u95dc\u806f\u7684\u7269\u4ef6\u6578\u91cf\uff0c\u63d0\u4f9b\u4e86\u4e00\u7a2e\u6e05\u6670\u4e14\u7c21\u660e\u7684\u65b9\u5f0f\u4f86\u8868\u9054\u4e4b\u9593\u7684\u95dc\u4fc2<a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/tutorials\/class-diagram-tutorial\/\">UML \u4e2d\u7684\u985e\u5225<\/a>\u5716\u8868\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u591a\u91cd\u6027\u662f UML \u4e2d\u7684\u4e00\u500b\u57fa\u672c\u6982\u5ff5\uff0c\u63d0\u4f9b\u4e86\u4e00\u7a2e\u7d50\u69cb\u5316\u7684\u65b9\u5f0f\u4f86\u5b9a\u7fa9\u53c3\u8207\u95dc\u806f\u7684\u7269\u4ef6\u6578\u91cf\u3002\u900f\u904e\u6307\u5b9a\u591a\u91cd\u6027\uff0c\u8a2d\u8a08\u8005\u53ef\u4ee5\u78ba\u4fdd\u985e\u5225\u4e4b\u9593\u7684\u95dc\u4fc2\u660e\u78ba\u4e14\u6613\u65bc\u7406\u89e3\uff0c\u9032\u800c\u4fc3\u6210\u66f4\u7a69\u5065\u4e14\u53ef\u7dad\u8b77\u7684\u7cfb\u7d71\u8a2d\u8a08\u3002\u7121\u8ad6\u60a8\u662f\u5728\u5efa\u6a21\u7c21\u55ae\u7684\u95dc\u806f\u9084\u662f\u8907\u96dc\u7684\u95dc\u4fc2\uff0c\u7406\u89e3\u4e26\u61c9\u7528\u591a\u91cd\u6027\u5c0d\u65bc\u6709\u6548\u7684 UML \u5efa\u6a21\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2>\u8cc7\u6e90<\/h2>\n<ol>\n<li><strong>\u5728 Visual Paradigm \u4e2d\u7e6a\u88fd\u5be6\u9ad4\u95dc\u4fc2\u5716<\/strong>\n<ul>\n<li>Visual Paradigm. (\u7121\u65e5\u671f).\u00a0<a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/3563\/3564\/85375_drawingentit.html\">\u5728 Visual Paradigm \u4e2d\u7e6a\u88fd\u5be6\u9ad4\u95dc\u4fc2\u5716<\/a>\u00a0<a class=\"mi-ref cursor-pointer align-super text-muted-foreground fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/3563\/3564\/85375_drawingentit.html\" rel=\"noopener\" target=\"_blank\">4<\/a>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5be6\u9ad4\u95dc\u4fc2\u5716 \u2013 \u591a\u91cd\u6027<\/strong>\n<ul>\n<li>Stack Overflow. (\u7121\u65e5\u671f).\u00a0<a href=\"https:\/\/stackoverflow.com\/questions\/41731377\/entity-relationship-diagram-multiplicities\">\u5be6\u9ad4\u95dc\u4fc2\u5716 \u2013 \u591a\u91cd\u6027<\/a>\u00a0<a class=\"mi-ref cursor-pointer align-super text-muted-foreground fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/stackoverflow.com\/questions\/41731377\/entity-relationship-diagram-multiplicities\" rel=\"noopener\" target=\"_blank\">5<\/a>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5be6\u9ad4\u95dc\u4fc2\u5716<\/strong>\n<ul>\n<li>GitHub. (\u7121\u65e5\u671f).\u00a0<a href=\"https:\/\/github.com\/weston-bailey\/entity-relationship-diagrams\">\u5be6\u9ad4\u95dc\u4fc2\u5716<\/a>\u00a0<a class=\"mi-ref cursor-pointer align-super text-muted-foreground fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/github.com\/weston-bailey\/entity-relationship-diagrams\" rel=\"noopener\" target=\"_blank\">6<\/a>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5728 UML \u5f62\u72c0\u4e0a\u6307\u5b9a\u591a\u91cd\u6027<\/strong>\n<ul>\n<li>Microsoft \u652f\u63f4. (\u7121\u65e5\u671f).\u00a0<a href=\"https:\/\/support.microsoft.com\/en-us\/office\/specify-multiplicity-on-an-uml-shape-e2dcac55-e9b6-40fa-a976-eb5f6ef2df3b\">\u5728 UML \u5f62\u72c0\u4e0a\u6307\u5b9a\u591a\u91cd\u6027<\/a>\u00a0<a class=\"mi-ref cursor-pointer align-super text-muted-foreground fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/support.microsoft.com\/en-us\/office\/specify-multiplicity-on-an-uml-shape-e2dcac55-e9b6-40fa-a976-eb5f6ef2df3b\" rel=\"noopener\" target=\"_blank\">7<\/a>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4ec0\u9ebc\u662f\u5be6\u9ad4\u95dc\u4fc2\u5716 (ERD)\uff1f<\/strong>\n<ul>\n<li>Visual Paradigm. (\u7121\u65e5\u671f).\u00a0<a href=\"https:\/\/www.visual-paradigm.com\/guide\/data-modeling\/what-is-entity-relationship-diagram\/\">\u4ec0\u9ebc\u662f\u5be6\u9ad4\u95dc\u4fc2\u5716 (ERD)\uff1f<\/a>\u00a0<a class=\"mi-ref cursor-pointer align-super text-muted-foreground fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/guide\/data-modeling\/what-is-entity-relationship-diagram\/\" rel=\"noopener\" target=\"_blank\">8<\/a>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Visual Paradigm ER\u5716\u6dfb\u52a0\u8868\u683c<\/strong>\n<ul>\n<li>Stack Overflow. (\u7121\u65e5\u671f).\u00a0<a href=\"https:\/\/stackoverflow.com\/questions\/36464950\/visual-paradigm-er-diagram-adding-tables\">Visual Paradigm ER\u5716\u6dfb\u52a0\u8868\u683c<\/a>\u00a0<a class=\"mi-ref cursor-pointer align-super text-muted-foreground fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/stackoverflow.com\/questions\/36464950\/visual-paradigm-er-diagram-adding-tables\" rel=\"noopener\" target=\"_blank\">9<\/a>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5982\u4f55\u5728 Visual Paradigm \u4e2d\u70ba\u985e\u5716\u6dfb\u52a0\u591a\u91cd\u6027\uff1f<\/strong>\n<ul>\n<li>TheNewsIndependent. (2020\u5e7412\u670829\u65e5).\u00a0<a href=\"https:\/\/www.thenewsindependent.com\/how-do-you-add-a-multiplicity-to-a-class-diagram-in-visual-paradigm\/\">\u5982\u4f55\u5728 Visual Paradigm \u4e2d\u70ba\u985e\u5716\u6dfb\u52a0\u591a\u91cd\u6027\uff1f<\/a>\u00a0<a class=\"mi-ref cursor-pointer align-super text-muted-foreground fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.thenewsindependent.com\/how-do-you-add-a-multiplicity-to-a-class-diagram-in-visual-paradigm\/\" rel=\"noopener\" target=\"_blank\">10<\/a>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5be6\u9ad4\u95dc\u4fc2\uff08ER\uff09\u5716\u5165\u9580\u6307\u5357<\/strong>\n<ul>\n<li>Visual Paradigm\u90e8\u843d\u683c. (2023\u5e749\u670821\u65e5).\u00a0<a href=\"https:\/\/blog.visual-paradigm.com\/beginners-guide-to-entity-relationship-er-diagrams\/\">\u5be6\u9ad4\u95dc\u4fc2\uff08ER\uff09\u5716\u5165\u9580\u6307\u5357<\/a>\u00a0<a class=\"mi-ref cursor-pointer align-super text-muted-foreground fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/blog.visual-paradigm.com\/beginners-guide-to-entity-relationship-er-diagrams\/\" rel=\"noopener\" target=\"_blank\">11<\/a>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u591a\u91cd\u6027\u8207\u57fa\u6578<\/strong>\n<ul>\n<li>Stack Overflow. (\u7121\u65e5\u671f).\u00a0<a href=\"https:\/\/stackoverflow.com\/questions\/17877582\/multiplicity-vs-cardinality\">\u591a\u91cd\u6027\u8207\u57fa\u6578<\/a>\u00a0<a class=\"mi-ref cursor-pointer align-super text-muted-foreground fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/stackoverflow.com\/questions\/17877582\/multiplicity-vs-cardinality\" rel=\"noopener\" target=\"_blank\">12<\/a>.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><\/h2>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u8edf\u9ad4\u8a2d\u8a08\u8207\u5efa\u6a21\u9818\u57df\u4e2d\uff0c\u7d71\u4e00\u6a21\u578b\u8a9e\u8a00\uff08U<\/p>\n","protected":false},"author":3479,"featured_media":10701,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","fifu_image_url":"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/10\/05-multiplicities-examples.png","fifu_image_alt":"","footnotes":""},"categories":[127],"tags":[],"class_list":["post-10700","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unified-modeling-language"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - 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