{"id":9578,"date":"2025-12-02T15:29:16","date_gmt":"2025-12-02T07:29:16","guid":{"rendered":"https:\/\/www.cybermedian.com\/cn\/mastering-the-uml-class-diagram-syntax-and-examples\/"},"modified":"2026-04-14T10:58:05","modified_gmt":"2026-04-14T10:58:05","slug":"mastering-the-uml-class-diagram-syntax-and-examples","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/cn\/mastering-the-uml-class-diagram-syntax-and-examples\/","title":{"rendered":"\u638c\u63e1UML\u7c7b\u56fe\uff1a\u8bed\u6cd5\u4e0e\u793a\u4f8b"},"content":{"rendered":"<p data-end=\"617\" data-start=\"247\">\u8be5<a href=\"https:\/\/chat.visual-paradigm.com\/diagram\/uml-class-diagram\/\">UML\u7c7b\u56fe<\/a>\u901a\u5e38\u4f5c\u4e3a\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u7684\u8d77\u70b9\u3002\u5b83\u6355\u6349\u4e86\u7cfb\u7edf\u7684\u8bcd\u6c47\u2014\u2014\u7c7b\u3001\u5b83\u4eec\u7684\u5c5e\u6027\u3001\u884c\u4e3a\u4ee5\u53ca\u5c06\u5b83\u4eec\u8054\u7cfb\u5728\u4e00\u8d77\u7684\u5173\u7cfb\u3002\u65e0\u8bba\u4f60\u662f\u7ed8\u5236\u6982\u5ff5\u6a21\u578b\uff0c\u8fd8\u662f\u6784\u5efa\u8be6\u7ec6\u7684\u5b9e\u65bd\u84dd\u56fe\uff0c\u7406\u89e3\u7c7b\u56fe\u7684\u8bed\u6cd5\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002<\/p>\n<p data-end=\"756\" data-start=\"619\">\u672c\u6307\u5357\u5c06\u4ecb\u7ecd\u5173\u952e\u7b26\u53f7\u3001\u4e3b\u8981\u5173\u7cfb\u7c7b\u578b\u4ee5\u53ca\u6e05\u6670\u7684\u793a\u4f8b\uff0c\u5e2e\u52a9\u5c06UML\u4e0e\u65e5\u5e38\u8bbe\u8ba1\u95ee\u9898\u8054\u7cfb\u8d77\u6765\u3002<\/p>\n<p data-end=\"756\" data-start=\"619\"><img decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/00f9ff6c-3d58-4b11-a334-9ece154a6ccf\/class-diagram-design\/class-diagram-order-process.png\"\/><\/p>\n<h2 data-end=\"797\" data-start=\"763\">\u7c7b\u56fe\u6240\u8868\u793a\u7684\u5185\u5bb9<\/h2>\n<p data-end=\"961\" data-start=\"799\">\u7c7b\u56fe\u63cf\u8ff0\u7684\u662f<strong data-end=\"845\" data-start=\"825\">\u9759\u6001\u7ed3\u6784<\/strong>\u3002\u4e0e\u884c\u4e3a\u56fe\u4e0d\u540c\uff0c\u5b83\u4e0d\u5173\u6ce8\u6d41\u7a0b\u6216\u65f6\u95f4\u3002\u76f8\u53cd\uff0c\u5b83\u89e3\u91ca\u4e86\u7cfb\u7edf\u662f\u5982\u4f55\u7ec4\u7ec7\u7684\uff1a<\/p>\n<ul>\n<li data-end=\"985\" data-start=\"965\">\u5b58\u5728\u54ea\u4e9b\u7c7b<\/li>\n<li data-end=\"1009\" data-start=\"988\">\u5b83\u4eec\u6301\u6709\u54ea\u4e9b\u6570\u636e<\/li>\n<li data-end=\"1042\" data-start=\"1012\">\u5b83\u4eec\u6267\u884c\u54ea\u4e9b\u64cd\u4f5c<\/li>\n<li data-end=\"1084\" data-start=\"1045\">\u5b83\u4eec\u4e4b\u95f4\u662f\u5982\u4f55\u76f8\u4e92\u8fde\u63a5\u7684<\/li>\n<\/ul>\n<p data-end=\"1199\" data-start=\"1086\">\u5b83\u662f\u8bb8\u591aUML\u6a21\u578b\u7684\u6838\u5fc3\uff0c\u56e0\u4e3a\u5b83\u4ee5\u53ef\u89c6\u5316\u3001\u7ed3\u6784\u5316\u7684\u65b9\u5f0f\u5f62\u5f0f\u5316\u4e86\u9762\u5411\u5bf9\u8c61\u7684\u601d\u7ef4\u65b9\u5f0f\u3002<\/p>\n<h2 data-end=\"1245\" data-start=\"1206\">\u7c7b\u56fe\u8bed\u6cd5\uff1a\u57fa\u672c\u8981\u7d20<\/h2>\n<h3 data-end=\"1272\" data-start=\"1247\"><strong data-end=\"1272\" data-start=\"1251\">\u7c7b\u7684\u8868\u793a\u6cd5<\/strong><\/h3>\n<p data-end=\"1343\" data-start=\"1273\">\u7c7b\u4ee5\u4e00\u4e2a\u6700\u591a\u5206\u4e3a\u4e09\u4e2a\u90e8\u5206\u7684\u77e9\u5f62\u6765\u8868\u793a\uff1a<\/p>\n<ol>\n<li data-end=\"1376\" data-start=\"1348\"><strong data-end=\"1362\" data-start=\"1348\">\u7c7b\u540d<\/strong>\uff08\u5fc5\u9700\uff09<\/li>\n<li data-end=\"1407\" data-start=\"1380\"><strong data-end=\"1394\" data-start=\"1380\">\u5c5e\u6027<\/strong>\uff08\u53ef\u9009\uff09<\/li>\n<li data-end=\"1436\" data-start=\"1411\"><strong data-end=\"1425\" data-start=\"1411\">\u64cd\u4f5c<\/strong>\uff08\u53ef\u9009\uff09<\/li>\n<\/ol>\n<p data-end=\"1446\" data-start=\"1438\">\u793a\u4f8b\uff1a<\/p>\n<div class=\"contain-inline-size rounded-2xl relative bg-token-sidebar-surface-primary\">\n<div class=\"sticky top-9\">\n<div class=\"absolute end-0 bottom-0 flex h-9 items-center pe-2\">\n<div class=\"bg-token-bg-elevated-secondary text-token-text-secondary flex items-center gap-4 rounded-sm px-2 font-sans text-xs\">\n<p id=\"aWTJIKr\"><img alt=\"\" class=\"alignnone size-full wp-image-14219\" decoding=\"async\" height=\"208\" loading=\"lazy\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/img_692e91d9e27ce.png\" width=\"255\"\/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3 data-end=\"1699\" data-start=\"1678\"><strong data-end=\"1699\" data-start=\"1682\">\u5c5e\u6027<\/strong><\/h3>\n<p data-end=\"1743\" data-start=\"1700\">\u5c5e\u6027\u63cf\u8ff0\u5bf9\u8c61\u7684\u72b6\u6001\u3002<\/p>\n<p data-end=\"1752\" data-start=\"1745\">\u8bed\u6cd5\uff1a<\/p>\n<p data-end=\"1752\" data-start=\"1745\"><span style=\"background-color: #f2f4f5; color: #222222; font-family: Monaco, Consolas, 'Andale Mono', 'DejaVu Sans Mono', monospace; font-size: 0.9375rem;\">\u53ef\u89c1\u6027<\/span><span class=\"hljs-type\" style=\"color: #222222; font-family: Monaco, Consolas, 'Andale Mono', 'DejaVu Sans Mono', monospace; font-size: 0.9375rem;\">\u540d\u79f0<\/span><span style=\"background-color: #f2f4f5; color: #222222; font-family: Monaco, Consolas, 'Andale Mono', 'DejaVu Sans Mono', monospace; font-size: 0.9375rem;\"> : <\/span><span class=\"hljs-keyword\" style=\"color: #222222; font-family: Monaco, Consolas, 'Andale Mono', 'DejaVu Sans Mono', monospace; font-size: 0.9375rem;\">\u7c7b\u578b<\/span><span style=\"background-color: #f2f4f5; color: #222222; font-family: Monaco, Consolas, 'Andale Mono', 'DejaVu Sans Mono', monospace; font-size: 0.9375rem;\"> = <\/span><span class=\"hljs-keyword\" style=\"color: #222222; font-family: Monaco, Consolas, 'Andale Mono', 'DejaVu Sans Mono', monospace; font-size: 0.9375rem;\">\u9ed8\u8ba4<\/span><\/p>\n<p data-end=\"1814\" data-start=\"1795\">\u53ef\u89c1\u6027\u7b26\u53f7\uff1a<\/p>\n<ul>\n<li data-end=\"1829\" data-start=\"1817\"><code data-end=\"1820\" data-start=\"1817\">+<\/code> \u516c\u6709<\/li>\n<li data-end=\"1845\" data-start=\"1832\"><code data-end=\"1835\" data-start=\"1832\">-<\/code> \u79c1\u6709<\/li>\n<li data-end=\"1863\" data-start=\"1848\"><code data-end=\"1851\" data-start=\"1848\">#<\/code> \u53d7\u4fdd\u62a4<\/li>\n<\/ul>\n<p data-end=\"1873\" data-start=\"1865\">\u793a\u4f8b\uff1a<\/p>\n<p data-end=\"1873\" data-start=\"1865\"><img alt=\"Attributes-example\" class=\"alignnone wp-image-14220 size-full\" decoding=\"async\" height=\"103\" loading=\"lazy\" sizes=\"auto, (max-width: 569px) 100vw, 569px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Attributes-example.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Attributes-example.png 569w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Attributes-example-300x54.png 300w\" width=\"569\"\/><\/p>\n<div class=\"contain-inline-size rounded-2xl relative bg-token-sidebar-surface-primary\">\n<div class=\"sticky top-9\">\n<div class=\"absolute end-0 bottom-0 flex h-9 items-center pe-2\">\n<h3 class=\"bg-token-bg-elevated-secondary text-token-text-secondary flex items-center gap-4 rounded-sm px-2 font-sans text-xs\"><strong>\u64cd\u4f5c<\/strong><\/h3>\n<\/div>\n<\/div>\n<\/div>\n<p data-end=\"2000\" data-start=\"1935\">\u64cd\u4f5c\u8868\u793a\u7c7b\u6240\u63d0\u4f9b\u7684\u884c\u4e3a\u6216\u670d\u52a1\u3002<\/p>\n<p data-end=\"2009\" data-start=\"2002\">\u8bed\u6cd5\uff1a<\/p>\n<div class=\"contain-inline-size rounded-2xl relative bg-token-sidebar-surface-primary\">\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"whitespace-pre!\"><span class=\"hljs-attribute\">\u53ef\u89c1\u6027<\/span> <span class=\"hljs-built_in\">\u540d\u79f0<\/span>(\u53c2\u6570\u5217\u8868) : \u8fd4\u56de\u7c7b\u578b<br \/>\n<\/code><\/div>\n<\/div>\n<p data-end=\"2071\" data-start=\"2063\">\u793a\u4f8b\uff1a<\/p>\n<div class=\"contain-inline-size rounded-2xl relative bg-token-sidebar-surface-primary\">\n<div class=\"sticky top-9\">\n<div class=\"absolute end-0 bottom-0 flex h-9 items-center pe-2\">\n<div class=\"bg-token-bg-elevated-secondary text-token-text-secondary flex items-center gap-4 rounded-sm px-2 font-sans text-xs\"><img alt=\"Operations example\" class=\"alignnone size-full wp-image-14222\" decoding=\"async\" height=\"103\" loading=\"lazy\" sizes=\"auto, (max-width: 569px) 100vw, 569px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Operations-example.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Operations-example.png 569w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2025\/12\/Operations-example-300x54.png 300w\" width=\"569\"\/><\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2 data-end=\"2163\" data-start=\"2124\">\u7c7b\u56fe\u4e2d\u7684\u5173\u7cfb\u7c7b\u578b<\/h2>\n<p data-end=\"2325\" data-start=\"2165\">\u7c7b\u56fe\u7684\u5a01\u529b\u6765\u81ea\u4e8e\u7c7b\u4e4b\u95f4\u7684\u8fde\u63a5\u3002\u6700\u5e38\u89c1\u7684\u5173\u7cfb\u7c7b\u578b\u63cf\u8ff0\u4e86\u5bf9\u8c61\u4e4b\u95f4\u5982\u4f55\u4ea4\u4e92\u6216\u76f8\u4e92\u4f9d\u8d56\u3002<\/p>\n<h3 data-end=\"2354\" data-start=\"2332\"><strong data-end=\"2354\" data-start=\"2336\">\u5173\u8054<\/strong><\/h3>\n<p data-end=\"2410\" data-start=\"2355\">\u5173\u8054\u8868\u793a\u7c7b\u4e4b\u95f4\u7684\u7ed3\u6784\u8fde\u63a5\u3002<\/p>\n<ul>\n<li data-end=\"2477\" data-start=\"2414\">\u53ef\u4ee5\u5305\u542b<strong data-end=\"2435\" data-start=\"2426\">\u89d2\u8272<\/strong>, <strong data-end=\"2455\" data-start=\"2437\">\u591a\u91cd\u6027<\/strong>\uff0c\u6216<strong data-end=\"2476\" data-start=\"2460\">\u53ef\u5bfc\u822a\u6027<\/strong>.<\/li>\n<li data-end=\"2520\" data-start=\"2480\">\u8868\u793a\u7a33\u5b9a\u3001\u957f\u671f\u7684\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<p data-end=\"2567\" data-start=\"2522\">\u793a\u4f8b\uff1a<br data-end=\"2533\" data-start=\"2530\"\/>\u4e00\u4e2a <em data-end=\"2545\" data-start=\"2535\">\u5ba2\u6237<\/em>\u4e0b\u4e86\u5f88\u591a <em data-end=\"2566\" data-start=\"2558\">\u8ba2\u5355<\/em>.<\/p>\n<div class=\"contain-inline-size rounded-2xl relative bg-token-sidebar-surface-primary\">\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"whitespace-pre!\">\u5ba2\u6237 <span class=\"hljs-number\">1<\/span> ----- * <span class=\"hljs-attribute\">\u8ba2\u5355<\/span><br \/>\n<\/code><\/div>\n<\/div>\n<h3 data-end=\"2630\" data-start=\"2608\"><strong data-end=\"2630\" data-start=\"2612\">\u805a\u5408<\/strong><\/h3>\n<p data-end=\"2721\" data-start=\"2631\">\u805a\u5408\u8868\u793a\u4e00\u79cd\u201c\u6574\u4f53-\u90e8\u5206\u201d\u5173\u7cfb\uff0c\u5176\u4e2d\u90e8\u5206\u53ef\u4ee5\u72ec\u7acb\u5b58\u5728\u3002<\/p>\n<p data-end=\"2774\" data-start=\"2723\">\u7528\u4e00\u4e2a <strong data-end=\"2755\" data-start=\"2737\">\u7a7a\u5fc3\u83f1\u5f62<\/strong>\u6807\u8bb0\u5728\u6574\u4f53\u7684\u4e00\u4fa7\u3002<\/p>\n<p data-end=\"2859\" data-start=\"2776\">\u793a\u4f8b\uff1a<br data-end=\"2787\" data-start=\"2784\"\/>\u4e00\u4e2a <em data-end=\"2795\" data-start=\"2789\">\u56e2\u961f<\/em>\u62e5\u6709\u591a\u4e2a <em data-end=\"2818\" data-start=\"2809\">\u961f\u5458<\/em>\u4f46\u961f\u5458\u53ef\u4ee5\u5728\u56e2\u961f\u4e4b\u5916\u5b58\u5728\u3002<\/p>\n<h3 data-end=\"2888\" data-start=\"2866\"><strong data-end=\"2888\" data-start=\"2870\">\u7ec4\u5408<\/strong><\/h3>\n<p data-end=\"2968\" data-start=\"2889\">\u4e00\u79cd\u66f4\u5f3a\u7684\u805a\u5408\u5f62\u5f0f\uff0c\u5176\u4e2d\u90e8\u5206\u7684\u751f\u547d\u5468\u671f\u4f9d\u8d56\u4e8e\u6574\u4f53\u3002<\/p>\n<p data-end=\"3003\" data-start=\"2970\">\u7528\u4e00\u4e2a <strong data-end=\"3002\" data-start=\"2984\">\u5b9e\u5fc3\u83f1\u5f62<\/strong>.<\/p>\n<p data-end=\"3100\" data-start=\"3005\">\u793a\u4f8b\uff1a<br data-end=\"3016\" data-start=\"3013\"\/>\u4e00\u4e2a <em data-end=\"3026\" data-start=\"3019\">\u8ba2\u5355<\/em>\u5305\u542b <em data-end=\"3047\" data-start=\"3036\">\u8ba2\u5355\u884c<\/em> \u9879\uff0c\u5220\u9664\u8ba2\u5355\u5c06\u5220\u9664\u5176\u6240\u6709\u884c\u3002<\/p>\n<h3 data-end=\"3146\" data-start=\"3107\"><strong data-end=\"3146\" data-start=\"3111\">\u6cdb\u5316\uff08\u7ee7\u627f\uff09<\/strong><\/h3>\n<p data-end=\"3184\" data-start=\"3147\">\u8868\u793a\u4e00\u4e2a\u7c7b\u6269\u5c55\u4e86\u53e6\u4e00\u4e2a\u7c7b\u3002<\/p>\n<ul>\n<li data-end=\"3225\" data-start=\"3188\">\u7bad\u5934\u6307\u5411\u7236\u7c7b\u3002<\/li>\n<li data-end=\"3280\" data-start=\"3228\">\u7528\u4e8e\u5171\u4eab\u5c5e\u6027\u548c\u591a\u6001\u884c\u4e3a\u3002<\/li>\n<\/ul>\n<p data-end=\"3320\" data-start=\"3282\">\u793a\u4f8b\uff1a<br data-end=\"3293\" data-start=\"3290\"\/><code data-end=\"3308\" data-start=\"3293\">\u50a8\u84c4\u8d26\u6237<\/code> \u2192 <code data-end=\"3320\" data-start=\"3311\">\u8d26\u6237<\/code><\/p>\n<h3 data-end=\"3348\" data-start=\"3327\"><strong data-end=\"3348\" data-start=\"3331\">\u4f9d\u8d56<\/strong><\/h3>\n<p data-end=\"3432\" data-start=\"3349\">\u8868\u793a\u4e00\u4e2a\u7c7b\u4e34\u65f6\u4f7f\u7528\u6216\u4f9d\u8d56\u53e6\u4e00\u4e2a\u7c7b\uff08\u4f8b\u5982\uff0c\u4e00\u4e2a\u53c2\u6570\uff09\u3002<\/p>\n<p data-end=\"3466\" data-start=\"3434\">\u901a\u5e38\u7528\u865a\u7ebf\u7bad\u5934\u8868\u793a\u3002<\/p>\n<h3 data-end=\"3495\" data-start=\"3473\"><strong data-end=\"3495\" 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