{"id":119,"date":"2026-04-02T00:21:21","date_gmt":"2026-04-02T00:21:21","guid":{"rendered":"https:\/\/www.go-notes.com\/cn\/uml-class-diagram-element-breakdown\/"},"modified":"2026-04-02T00:21:21","modified_gmt":"2026-04-02T00:21:21","slug":"uml-class-diagram-element-breakdown","status":"publish","type":"post","link":"https:\/\/www.go-notes.com\/cn\/uml-class-diagram-element-breakdown\/","title":{"rendered":"\u7ec4\u4ef6\u5206\u89e3\uff1a\u63a2\u7d22UML\u7c7b\u56fe\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20"},"content":{"rendered":"<p>\u7edf\u4e00\u5efa\u6a21\u8bed\u8a00\uff08UML\uff09\u662f\u9762\u5411\u5bf9\u8c61\u8f6f\u4ef6\u8bbe\u8ba1\u7684\u57fa\u77f3\u3002\u5728\u5404\u79cd\u53ef\u7528\u7684\u56fe\u8868\u7c7b\u578b\u4e2d\uff0c\u7c7b\u56fe\u6700\u4e3a\u5173\u952e\uff0c\u7528\u4e8e\u53ef\u89c6\u5316\u7cfb\u7edf\u7684\u9759\u6001\u7ed3\u6784\u3002\u7406\u89e3\u8be5\u56fe\u8868\u4e2d\u7684\u6bcf\u4e00\u4e2a\u7ec4\u4ef6\uff0c\u5bf9\u4e8e\u5f00\u53d1\u4eba\u5458\u3001\u67b6\u6784\u5e08\u548c\u5206\u6790\u5e08\u6e05\u6670\u6c9f\u901a\u590d\u6742\u7cfb\u7edf\u8bbe\u8ba1\u81f3\u5173\u91cd\u8981\u3002\u672c\u6307\u5357\u6df1\u5165\u5256\u6790UML\u7c7b\u56fe\u7684\u6784\u6210\uff0c\u786e\u4fdd\u60a8\u80fd\u591f\u7cbe\u786e\u5730\u9605\u8bfb\u548c\u521b\u5efa\u6b64\u7c7b\u56fe\u8868\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Kawaii-style infographic explaining UML Class Diagram components: cute robot mascot guides viewers through class box anatomy (name, attributes, operations), six relationship types with adorable visual metaphors (association, aggregation, composition, generalization, dependency, realization), multiplicity notations, visibility modifiers (+, -, #, ~), and best practices. Soft pastel colors, rounded playful design, 16:9 aspect ratio, English text for software developers and students learning object-oriented design.\" decoding=\"async\" src=\"https:\/\/www.go-notes.com\/wp-content\/uploads\/2026\/04\/kawaii-uml-class-diagram-components-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83d\udd0d \u7c7b\u56fe\u7684\u76ee\u7684<\/h2>\n<p>\u7c7b\u56fe\u662f\u7ed3\u6784\u56fe\uff0c\u901a\u8fc7\u5c55\u793a\u7cfb\u7edf\u7684\u7c7b\u3001\u5c5e\u6027\u3001\u64cd\u4f5c\u4ee5\u53ca\u5bf9\u8c61\u4e4b\u95f4\u7684\u5173\u7cfb\u6765\u63cf\u8ff0\u7cfb\u7edf\u7684\u7ed3\u6784\u3002\u4e0e\u6355\u6349\u968f\u65f6\u95f4\u53d8\u5316\u7684\u52a8\u6001\u884c\u4e3a\u7684\u987a\u5e8f\u56fe\u4e0d\u540c\uff0c\u7c7b\u56fe\u4fdd\u6301\u9759\u6001\u3002\u5b83\u4eec\u5145\u5f53\u84dd\u56fe\uff0c\u7c7b\u4f3c\u4e8e\u5efa\u7b51\u7684\u5efa\u7b51\u8bbe\u8ba1\u56fe\uff0c\u5b9a\u4e49\u4e86\u4ee3\u7801\u6784\u5efa\u7684\u57fa\u7840\u3002<\/p>\n<p>\u4e3b\u8981\u76ee\u6807\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8bb0\u5f55\u9762\u5411\u5bf9\u8c61\u7cfb\u7edf\u7684\u9759\u6001\u89c6\u56fe\u3002<\/li>\n<li>\u4e3a\u4ee3\u7801\u751f\u6210\u548c\u9006\u5411\u5de5\u7a0b\u63d0\u4f9b\u57fa\u7840\u3002<\/li>\n<li>\u4fc3\u8fdb\u6280\u672f\u4eba\u5458\u4e0e\u975e\u6280\u672f\u4eba\u5458\u4e4b\u95f4\u7684\u6c9f\u901a\u3002<\/li>\n<li>\u5728\u5b9e\u65bd\u5f00\u59cb\u524d\u8bc6\u522b\u6f5c\u5728\u7684\u8bbe\u8ba1\u7f3a\u9677\u3002<\/li>\n<\/ul>\n<h2>\ud83c\udfd7\ufe0f \u7c7b\u6846\uff1a\u6838\u5fc3\u7ed3\u6784<\/h2>\n<p>\u7c7b\u56fe\u7684\u57fa\u672c\u6784\u5efa\u5355\u5143\u662f\u7c7b\u6846\u3002\u5b83\u662f\u4e00\u4e2a\u88ab\u5212\u5206\u4e3a\u591a\u4e2a\u90e8\u5206\u7684\u77e9\u5f62\u3002\u6807\u51c6\u7684\u7c7b\u6846\u901a\u5e38\u5305\u542b\u4e09\u4e2a\u90e8\u5206\uff1a\u7c7b\u540d\u3001\u5c5e\u6027\u548c\u64cd\u4f5c\u3002\u867d\u7136\u5e76\u975e\u6240\u6709\u90e8\u5206\u90fd\u662f\u5fc5\u9700\u7684\uff0c\u4f46\u5b8c\u6574\u7684\u56fe\u8868\u901a\u5e38\u4f1a\u663e\u793a\u5168\u90e8\u4e09\u4e2a\u90e8\u5206\uff0c\u4ee5\u63d0\u4f9b\u5b8c\u6574\u7684\u4e0a\u4e0b\u6587\u3002<\/p>\n<h3>1. \u540d\u79f0\u90e8\u5206<\/h3>\n<p>\u6846\u7684\u9876\u90e8\u90e8\u5206\u5305\u542b\u7c7b\u7684\u540d\u79f0\u3002\u8be5\u540d\u79f0\u5e94\u4e3a\u540d\u8bcd\u6216\u540d\u8bcd\u77ed\u8bed\uff0c\u80fd\u6e05\u6670\u6807\u8bc6\u5b9e\u4f53\u3002\u547d\u540d\u89c4\u8303\u5bf9\u4e8e\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<ul>\n<li><strong>\u5927\u5c0f\u5199\uff1a<\/strong> \u7c7b\u540d\u901a\u5e38\u4ee5\u5927\u5199\u5b57\u6bcd\u5f00\u5934\uff08\u4f8b\u5982\uff0c<em>\u5ba2\u6237<\/em>, <em>\u53d1\u7968<\/em>).<\/li>\n<li><strong>\u552f\u4e00\u6027\uff1a<\/strong> \u540d\u79f0\u5e94\u5728\u547d\u540d\u7a7a\u95f4\u5185\u4fdd\u6301\u552f\u4e00\uff0c\u4ee5\u907f\u514d\u6b67\u4e49\u3002<\/li>\n<li><strong>\u5355\u6570\u4e0e\u590d\u6570\uff1a<\/strong> \u7c7b\u5e94\u4f7f\u7528\u5355\u6570\u540d\u8bcd\uff08\u4f8b\u5982\uff0c<em>\u4ea7\u54c1<\/em>\uff0c\u800c\u4e0d\u662f<em>\u4ea7\u54c1\u4eec<\/em>\uff09\u6765\u8868\u793a\u7c7b\u578b\uff0c\u800c\u975e\u96c6\u5408\u3002<\/li>\n<\/ul>\n<h3>2. \u5c5e\u6027\u90e8\u5206<\/h3>\n<p>\u4e2d\u95f4\u90e8\u5206\u5217\u51fa\u5c5e\u6027\u3002\u5c5e\u6027\u8868\u793a\u7c7b\u5b9e\u4f8b\u6240\u6301\u6709\u7684\u72b6\u6001\u6216\u6570\u636e\u3002\u5b83\u4eec\u5b9a\u4e49\u4e86\u7c7b\u81ea\u8eab\u6240\u4e86\u89e3\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u5728\u8bb0\u5f55\u5c5e\u6027\u65f6\uff0c\u8bf7\u8003\u8651\u4ee5\u4e0b\u8981\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u540d\u79f0\uff1a<\/strong> \u901a\u5e38\u4e3a\u5c0f\u5199\uff0c\u5e38\u4ee5\u53ef\u89c1\u6027\u7b26\u53f7\u5f00\u5934\u3002<\/li>\n<li><strong>\u7c7b\u578b\uff1a<\/strong> \u6570\u636e\u7c7b\u578b\uff08\u4f8b\u5982\uff0c<em>\u5b57\u7b26\u4e32<\/em>, <em>\u6574\u6570<\/em>, <em>\u65e5\u671f<\/em>).<\/li>\n<li><strong>\u9ed8\u8ba4\u503c\uff1a<\/strong> \u5982\u679c\u5c5e\u6027\u6709\u6807\u51c6\u7684\u8d77\u59cb\u503c\uff0c\u53ef\u4ee5\u663e\u793a\u51fa\u6765\uff08\u4f8b\u5982\uff0c<em>status = \u201cactive\u201d<\/em>).<\/li>\n<\/ul>\n<p><em>\u793a\u4f8b\uff1a<\/em> <code>- name: \u5b57\u7b26\u4e32<\/code> \u8868\u793a\u540d\u4e3a name \u7684\u79c1\u6709\u5b57\u7b26\u4e32\u5c5e\u6027\u3002<\/p>\n<h3>3. \u64cd\u4f5c\u90e8\u5206<\/h3>\n<p>\u5e95\u90e8\u90e8\u5206\u5217\u51fa\u64cd\u4f5c\u3002\u64cd\u4f5c\u8868\u793a\u7c7b\u53ef\u7528\u7684\u884c\u4e3a\u6216\u65b9\u6cd5\u3002\u5b83\u4eec\u5b9a\u4e49\u4e86\u7c7b\u53ef\u4ee5<em>\u505a<\/em>.<\/p>\n<p>\u64cd\u4f5c\u7684\u5173\u952e\u7ec6\u8282\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u53ef\u89c1\u6027\uff1a<\/strong> \u8868\u793a\u8bbf\u95ee\u7ea7\u522b\u7684\u7b26\u53f7\uff08+\u3001-\u3001#\u3001~\uff09\u3002<\/li>\n<li><strong>\u540d\u79f0\uff1a<\/strong> \u901a\u5e38\u4e3a\u5c0f\u5199\uff0c\u4ee5\u52a8\u8bcd\u5f00\u5934\uff08\u4f8b\u5982\uff0c<em>calculateTotal<\/em>).<\/li>\n<li><strong>\u53c2\u6570\uff1a<\/strong> \u6267\u884c\u64cd\u4f5c\u6240\u9700\u7684\u53c2\u6570\u3002<\/li>\n<li><strong>\u8fd4\u56de\u7c7b\u578b\uff1a<\/strong> \u64cd\u4f5c\u5b8c\u6210\u540e\u8fd4\u56de\u7684\u6570\u636e\u7c7b\u578b\u3002<\/li>\n<\/ul>\n<p><em> \u793a\u4f8b\uff1a<\/em> <code>+ calculateTotal(): Integer<\/code> \u8868\u793a\u4e00\u4e2a\u8fd4\u56de\u6574\u6570\u7684\u516c\u5171\u64cd\u4f5c\u3002<\/p>\n<h2>\ud83d\udd17 \u7406\u89e3\u5173\u7cfb<\/h2>\n<p>\u5173\u7cfb\u5b9a\u4e49\u4e86\u7c7b\u4e4b\u95f4\u5982\u4f55\u76f8\u4e92\u4f5c\u7528\u3002\u5b83\u4eec\u662f\u8fde\u63a5\u7c7b\u6846\u7684\u7ebf\u6761\u3002\u8bef\u89e3\u8fd9\u4e9b\u5173\u7cfb\u53ef\u80fd\u5bfc\u81f4\u6700\u7ec8\u4ee3\u7801\u5e93\u4e2d\u51fa\u73b0\u91cd\u5927\u7684\u67b6\u6784\u9519\u8bef\u3002\u4ee5\u4e0b\u662f\u6807\u51c6UML\u5173\u7cfb\u7684\u8be6\u7ec6\u5206\u89e3\u3002<\/p>\n<h3>\u5173\u7cfb\u5bf9\u6bd4\u8868<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u5173\u7cfb\u7c7b\u578b<\/th>\n<th>\u5bf9\u79f0\u6027<\/th>\n<th>\u8bed\u4e49\u542b\u4e49<\/th>\n<th>\u7b26\u53f7\u8868\u793a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5173\u8054<\/td>\n<td>\u53ef\u9009<\/td>\n<td>\u5b9e\u4f8b\u4e4b\u95f4\u7684\u7ed3\u6784\u8fde\u63a5<\/td>\n<td>\u5b9e\u7ebf<\/td>\n<\/tr>\n<tr>\n<td>\u805a\u5408<\/td>\n<td>\u5f31<\/td>\n<td>\u6574\u4f53-\u90e8\u5206\u5173\u7cfb\uff08\u90e8\u5206\u53ef\u4ee5\u72ec\u7acb\u4e8e\u6574\u4f53\u5b58\u5728\uff09<\/td>\n<td>\u5e26\u7a7a\u83f1\u5f62\u7684\u5b9e\u7ebf<\/td>\n<\/tr>\n<tr>\n<td>\u7ec4\u5408<\/td>\n<td>\u5f3a<\/td>\n<td>\u6574\u4f53-\u90e8\u5206\u5173\u7cfb\uff08\u90e8\u5206\u4e0d\u80fd\u8131\u79bb\u6574\u4f53\u800c\u5b58\u5728\uff09<\/td>\n<td>\u5e26\u5b9e\u5fc3\u83f1\u5f62\u7684\u5b9e\u7ebf<\/td>\n<\/tr>\n<tr>\n<td>\u6cdb\u5316<\/td>\n<td>\u662f<\/td>\n<td>\u7ee7\u627f\u5173\u7cfb\uff08\u662f\u4e00\u79cd\uff09<\/td>\n<td>\u5e26\u7a7a\u4e09\u89d2\u5f62\u7684\u5b9e\u7ebf<\/td>\n<\/tr>\n<tr>\n<td>\u4f9d\u8d56<\/td>\n<td>\u5426<\/td>\n<td>\u4f7f\u7528\u5173\u7cfb\uff08\u4e00\u4e2a\u7c7b\u4f7f\u7528\u53e6\u4e00\u4e2a\u7c7b\uff09<\/td>\n<td>\u5e26\u7a7a\u5fc3\u7bad\u5934\u7684\u865a\u7ebf<\/td>\n<\/tr>\n<tr>\n<td>\u5b9e\u73b0<\/td>\n<td>\u5426<\/td>\n<td>\u63a5\u53e3\u7684\u5b9e\u73b0<\/td>\n<td>\u5e26\u7a7a\u5fc3\u4e09\u89d2\u5f62\u7684\u865a\u7ebf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u5173\u8054<\/h3>\n<p>\u5173\u8054\u8868\u793a\u5bf9\u8c61\u4e4b\u95f4\u7684\u7ed3\u6784\u5316\u8fde\u63a5\u3002\u5b83\u8868\u660e\u4e00\u4e2a\u7c7b\u7684\u5bf9\u8c61\u4e0e\u53e6\u4e00\u4e2a\u7c7b\u7684\u5bf9\u8c61\u76f8\u5173\u8054\u3002\u8fd9\u662f\u6700\u57fa\u672c\u7684\u5173\u7cfb\u3002<\/p>\n<ul>\n<li>\u5b83\u53ef\u4ee5\u547d\u540d\u4ee5\u63cf\u8ff0\u94fe\u63a5\u7684\u6027\u8d28\u3002<\/li>\n<li>\u5b83\u53ef\u4ee5\u662f\u53cc\u5411\u7684\uff0c\u4e5f\u53ef\u4ee5\u662f\u5355\u5411\u7684\u3002<\/li>\n<li>\u5b83\u4e0d\u8868\u793a\u6240\u6709\u6743\u6216\u751f\u547d\u5468\u671f\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<h3>\u805a\u5408<\/h3>\n<p>\u805a\u5408\u662f\u5173\u8054\u7684\u4e00\u79cd\u7279\u6b8a\u5f62\u5f0f\u3002\u5b83\u8868\u793a\u4e00\u79cd\u201c\u62e5\u6709-\u90e8\u5206\u201d\u5173\u7cfb\uff0c\u5176\u4e2d\u90e8\u5206\u53ef\u4ee5\u72ec\u7acb\u4e8e\u6574\u4f53\u800c\u5b58\u5728\u3002<\/p>\n<ul>\n<li><em>\u793a\u4f8b\uff1a<\/em> \u4e00\u6240\u5927\u5b66\u62e5\u6709\u7cfb\u3002\u5982\u679c\u5927\u5b66\u5173\u95ed\uff0c\u7cfb\u7684\u6570\u636e\u53ef\u80fd\u4ecd\u5b58\u5728\u4e8e\u9057\u7559\u7cfb\u7edf\u4e2d\uff0c\u6216\u8005\u7cfb\u53ef\u4ee5\u88ab\u8f6c\u79fb\u3002<\/li>\n<li>\u901a\u8fc7\u5728\u8fde\u7ebf\u7684\u201c\u6574\u4f53\u201d\u4e00\u7aef\u4f7f\u7528\u7a7a\u83f1\u5f62\u6765\u8868\u793a\u3002<\/li>\n<\/ul>\n<h3>\u7ec4\u5408<\/h3>\n<p>\u7ec4\u5408\u662f\u805a\u5408\u7684\u4e00\u79cd\u66f4\u5f3a\u5f62\u5f0f\u3002\u5b83\u6697\u793a\u4e86\u751f\u547d\u5468\u671f\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u5982\u679c\u6574\u4f53\u88ab\u9500\u6bc1\uff0c\u5176\u90e8\u5206\u4e5f\u4f1a\u968f\u4e4b\u88ab\u9500\u6bc1\u3002<\/p>\n<ul>\n<li><em>\u793a\u4f8b\uff1a<\/em> \u4e00\u680b\u623f\u5b50\u62e5\u6709\u623f\u95f4\u3002\u5982\u679c\u623f\u5b50\u88ab\u62c6\u9664\uff0c\u623f\u95f4\u4e5f\u5c06\u4e0d\u590d\u5b58\u5728\u3002<\/li>\n<li>\u901a\u8fc7\u5728\u8fde\u7ebf\u7684\u201c\u6574\u4f53\u201d\u4e00\u7aef\u4f7f\u7528\u5b9e\u5fc3\u83f1\u5f62\u6765\u8868\u793a\u3002<\/li>\n<\/ul>\n<h3>\u6cdb\u5316\uff08\u7ee7\u627f\uff09<\/h3>\n<p>\u6cdb\u5316\u8868\u793a\u4e00\u79cd\u201c\u662f-\u4e00\u79cd\u201d\u5173\u7cfb\u3002\u5b83\u5141\u8bb8\u4e00\u4e2a\u7c7b\u4ece\u53e6\u4e00\u4e2a\u7c7b\u7ee7\u627f\u5c5e\u6027\u548c\u64cd\u4f5c\u3002<\/p>\n<ul>\n<li>\u5b50\u7c7b\u662f\u7236\u7c7b\u7684\u7279\u5316\u7248\u672c\u3002<\/li>\n<li>\u5b83\u4fc3\u8fdb\u4e86\u4ee3\u7801\u91cd\u7528\u3002<\/li>\n<li>\u901a\u8fc7\u4e00\u6761\u5b9e\u7ebf\u548c\u4e00\u4e2a\u6307\u5411\u7236\u7c7b\u7684\u7a7a\u5fc3\u4e09\u89d2\u5f62\u6765\u8868\u793a\u3002<\/li>\n<\/ul>\n<h3>\u4f9d\u8d56<\/h3>\n<p>\u4f9d\u8d56\u8868\u793a\u4e00\u4e2a\u7c7b\u4f7f\u7528\u53e6\u4e00\u4e2a\u7c7b\u3002\u8fd9\u901a\u5e38\u662f\u4e00\u79cd\u4e34\u65f6\u5173\u7cfb\uff0c\u4f8b\u5982\u5c06\u4e00\u4e2a\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u65b9\u6cd5\u3002<\/p>\n<ul>\n<li>\u4f9b\u5e94\u7c7b\u7684\u66f4\u6539\u53ef\u80fd\u4f1a\u5f71\u54cd\u4f9d\u8d56\u7c7b\u3002<\/li>\n<li>\u901a\u8fc7\u5e26\u7a7a\u5fc3\u7bad\u5934\u7684\u865a\u7ebf\u6765\u8868\u793a\u3002<\/li>\n<\/ul>\n<h3>\u5b9e\u73b0\uff08\u63a5\u53e3\uff09<\/h3>\n<p>\u5b9e\u73b0\u8868\u793a\u4e00\u4e2a\u7c7b\u5b9e\u73b0\u4e86\u63a5\u53e3\u3002\u8be5\u7c7b\u627f\u8bfa\u63d0\u4f9b\u63a5\u53e3\u4e2d\u5b9a\u4e49\u7684\u884c\u4e3a\u3002<\/p>\n<ul>\n<li>\u7528\u5e26\u7a7a\u5fc3\u4e09\u89d2\u5f62\u7684\u865a\u7ebf\u8868\u793a\u3002<\/li>\n<li>\u5e38\u7528\u4e8e\u5b9e\u73b0\u591a\u6001\u6027\uff0c\u5e76\u5c06\u5b9e\u73b0\u4e0e\u63a5\u53e3\u89e3\u8026\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udd22 \u591a\u91cd\u6027\u4e0e\u57fa\u6570<\/h2>\n<p>\u591a\u91cd\u6027\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u4e0e\u53e6\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u4e4b\u95f4\u7684\u5173\u8054\u6570\u91cf\u3002\u8fd9\u662f\u6570\u636e\u5e93\u8bbe\u8ba1\u548c\u903b\u8f91\u9a8c\u8bc1\u4e2d\u7684\u5173\u952e\u7ec6\u8282\u3002\u591a\u91cd\u6027\u901a\u5e38\u4f4d\u4e8e\u5173\u8054\u7ebf\u7684\u4e24\u7aef\u9644\u8fd1\u3002<\/p>\n<h3>\u5e38\u89c1\u7684\u591a\u91cd\u6027\u7b26\u53f7<\/h3>\n<ul>\n<li><strong>1:<\/strong>\u6070\u597d\u4e00\u4e2a\u5b9e\u4f8b\u3002<\/li>\n<li><strong>0..1:<\/strong>\u96f6\u4e2a\u6216\u4e00\u4e2a\u5b9e\u4f8b\uff08\u53ef\u9009\uff09\u3002<\/li>\n<li><strong>1..*:<\/strong>\u4e00\u4e2a\u6216\u591a\u4e2a\u5b9e\u4f8b\u3002<\/li>\n<li><strong>0..*:<\/strong>\u96f6\u4e2a\u6216\u591a\u4e2a\u5b9e\u4f8b\uff08\u591a\u4e2a\uff09\u3002<\/li>\n<li><strong>*:<\/strong>0..* \u7684\u7b80\u5199\u5f62\u5f0f\u3002<\/li>\n<li><strong>1..5:<\/strong>\u7279\u5b9a\u8303\u56f4\u7684\u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n<p><em>\u573a\u666f\uff1a<\/em>\u8003\u8651\u4e00\u4e2a<em>\u5b66\u751f<\/em>\u548c\u4e00\u4e2a<em>\u8bfe\u7a0b<\/em>\u3002\u4e00\u4e2a\u5b66\u751f\u5fc5\u987b\u6ce8\u518c\u81f3\u5c11\u4e00\u95e8\u8bfe\u7a0b\uff081..*\uff09\uff0c\u4f46\u4e00\u95e8\u8bfe\u7a0b\u53ef\u4ee5\u6ca1\u6709\u5b66\u751f\uff080..*\uff09\u3002\u8fd9\u901a\u8fc7\u5728\u5b66\u751f\u7aef\u7684\u8bfe\u7a0b\u65c1\u653e\u7f6e\u201c1..*\u201d\uff0c\u5728\u8bfe\u7a0b\u7aef\u7684\u5b66\u751f\u65c1\u653e\u7f6e\u201c0..*\u201d\u6765\u8868\u793a\u3002<\/p>\n<h2>\ud83c\udfa8 \u53ef\u89c1\u6027\u4fee\u9970\u7b26<\/h2>\n<p>\u53ef\u89c1\u6027\u51b3\u5b9a\u4e86\u7c7b\u7684\u54ea\u4e9b\u90e8\u5206\u53ef\u4ee5\u4ece\u5176\u4ed6\u7c7b\u8bbf\u95ee\u3002\u8fd9\u662f\u5c01\u88c5\u7684\u57fa\u672c\u6982\u5ff5\u3002\u8fd9\u4e9b\u7b26\u53f7\u4f4d\u4e8e\u5c5e\u6027\u6216\u64cd\u4f5c\u540d\u79f0\u7684\u5f00\u5934\u3002<\/p>\n<ul>\n<li><strong>\u516c\u5171 (+)\uff1a<\/strong>\u53ef\u4ee5\u4ece\u4efb\u4f55\u5176\u4ed6\u7c7b\u8bbf\u95ee\u3002\u8fd9\u662f\u8bbf\u95ee\u6743\u9650\u6700\u9ad8\u7684\u7ea7\u522b\u3002<\/li>\n<li><strong>\u79c1\u6709 (-)\uff1a<\/strong> \u4ec5\u5728\u7c7b\u5185\u90e8\u53ef\u8bbf\u95ee\u3002\u8fd9\u4fdd\u62a4\u4e86\u5185\u90e8\u6570\u636e\u3002<\/li>\n<li><strong> \u53d7\u4fdd\u62a4\u7684 (#):<\/strong> \u5728\u7c7b\u53ca\u5176\u5b50\u7c7b\u4e2d\u53ef\u8bbf\u95ee\u3002\u5728\u7ee7\u627f\u5c42\u6b21\u7ed3\u6784\u4e2d\u5f88\u5e38\u89c1\u3002<\/li>\n<li><strong> \u5305 (~):<\/strong> \u4ec5\u5728\u540c\u4e00\u4e2a\u5305\u6216\u547d\u540d\u7a7a\u95f4\u5185\u53ef\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<p> \u9009\u62e9\u6b63\u786e\u7684\u53ef\u89c1\u6027\u5bf9\u4e8e\u7ef4\u62a4\u5bf9\u8c61\u72b6\u6001\u7684\u5b8c\u6574\u6027\u81f3\u5173\u91cd\u8981\u3002\u8fc7\u5ea6\u4f7f\u7528\u516c\u5171\u8bbf\u95ee\u4f1a\u5bfc\u81f4\u7d27\u5bc6\u8026\u5408\u548c\u8106\u5f31\u7684\u4ee3\u7801\u3002<\/p>\n<h2> \ud83d\udcdd \u6784\u9020\u578b\u548c\u7ea6\u675f<\/h2>\n<p> \u8d85\u51fa\u6807\u51c6\u5143\u7d20\u4e4b\u5916\uff0cUML \u53ef\u901a\u8fc7\u6784\u9020\u578b\u548c\u7ea6\u675f\u8fdb\u884c\u6269\u5c55\u3002\u5b83\u4eec\u5728\u4e0d\u6539\u53d8\u89c6\u89c9\u7ed3\u6784\u7684\u60c5\u51b5\u4e0b\u589e\u52a0\u8bed\u4e49\u542b\u4e49\u3002<\/p>\n<h3> \u6784\u9020\u578b<\/h3>\n<p> \u6784\u9020\u578b\u662f\u4e00\u79cd\u521b\u5efa\u65b0\u7c7b\u578b\u5143\u7d20\u7684\u673a\u5236\u3002\u5b83\u7528\u89d2\u5f15\u53f7\u62ec\u8d77\u6765\uff08\u4f8b\u5982\uff0c&lt;&lt;\u6784\u9020\u578b&gt;&gt;\uff09\u3002<\/p>\n<ul>\n<li><strong> \u793a\u4f8b\uff1a<\/strong> &lt;&lt;\u63a5\u53e3&gt;&gt; \u8868\u793a\u5b9a\u4e49\u63a5\u53e3\u7684\u7c7b\u3002<\/li>\n<li><strong> \u793a\u4f8b\uff1a<\/strong> &lt;&lt;\u5b9e\u4f53&gt;&gt; \u53ef\u80fd\u8868\u793a\u6570\u636e\u5e93\u8868\u6620\u5c04\u3002<\/li>\n<li><strong> \u793a\u4f8b\uff1a<\/strong> &lt;&lt;\u62bd\u8c61&gt;&gt; \u8868\u793a\u4e0d\u80fd\u76f4\u63a5\u5b9e\u4f8b\u5316\u7684\u7c7b\u3002<\/li>\n<\/ul>\n<h3> \u7ea6\u675f<\/h3>\n<p> \u7ea6\u675f\u662f\u7cfb\u7edf\u5fc5\u987b\u6ee1\u8db3\u7684\u6761\u4ef6\u3002\u5b83\u4eec\u7528\u5927\u62ec\u53f7\u62ec\u8d77\u6765\uff08\u4f8b\u5982\uff0c{\u7ea6\u675f}\uff09\u3002<\/p>\n<ul>\n<li><strong> \u793a\u4f8b\uff1a<\/strong> \u5c5e\u6027\u4e0a\u7684 {\u552f\u4e00} \u786e\u4fdd\u65e0\u91cd\u590d\u3002<\/li>\n<li><strong> \u793a\u4f8b\uff1a<\/strong> \u5c5e\u6027\u4e0a\u7684 {\u53ea\u8bfb} \u786e\u4fdd\u5176\u4e0d\u53ef\u4fee\u6539\u3002<\/li>\n<li><strong> \u793a\u4f8b\uff1a<\/strong> \u64cd\u4f5c\u4e0a\u7684 {pre: age &gt;= 18} \u786e\u4fdd\u903b\u8f91\u6210\u7acb\u3002<\/li>\n<\/ul>\n<h2> \ud83d\udee0\ufe0f \u8bbe\u8ba1\u7684\u6700\u4f73\u5b9e\u8df5<\/h2>\n<p> \u521b\u5efa\u7c7b\u56fe\u4e0d\u4ec5\u4ec5\u662f\u753b\u65b9\u6846\u548c\u7ebf\u6761\uff1b\u66f4\u91cd\u8981\u7684\u662f\u6b63\u786e\u5730\u5efa\u6a21\u903b\u8f91\u3002\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\u53ef\u786e\u4fdd\u56fe\u8868\u957f\u671f\u4fdd\u6301\u6709\u7528\u3002<\/p>\n<h3> \u547d\u540d\u89c4\u8303<\/h3>\n<ul>\n<li> \u4f7f\u7528\u6e05\u6670\u3001\u63cf\u8ff0\u6027\u7684\u540d\u79f0\u3002<\/li>\n<li> \u907f\u514d\u4f7f\u7528\u7f29\u5199\uff0c\u9664\u975e\u662f\u884c\u4e1a\u6807\u51c6\u3002<\/li>\n<li> 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