{"id":1012,"date":"2026-02-27T12:02:51","date_gmt":"2026-02-27T12:02:51","guid":{"rendered":"https:\/\/www.method-post.com\/cn\/understanding-class-diagrams-a-comprehensive-guide-with-an-order-management-system-example\/"},"modified":"2026-02-27T12:02:51","modified_gmt":"2026-02-27T12:02:51","slug":"understanding-class-diagrams-a-comprehensive-guide-with-an-order-management-system-example","status":"publish","type":"post","link":"https:\/\/www.method-post.com\/cn\/understanding-class-diagrams-a-comprehensive-guide-with-an-order-management-system-example\/","title":{"rendered":"\u7406\u89e3\u7c7b\u56fe\uff1a\u4ee5\u8ba2\u5355\u7ba1\u7406\u7cfb\u7edf\u4e3a\u4f8b\u7684\u5168\u9762\u6307\u5357"},"content":{"rendered":"<p class=\"break-words\">\u4e00\u4e2a <a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/uml-class-diagram-tutorial\/\"><strong>\u7c7b\u56fe<\/strong><\/a>\u7c7b\u56fe\u662f\u8f6f\u4ef6\u5de5\u7a0b\u548c\u6570\u636e\u5e93\u8bbe\u8ba1\u4e2d\u7684\u57fa\u672c\u5de5\u5177\uff0c\u901a\u8fc7\u5c55\u793a\u7cfb\u7edf\u7684\u7c7b\uff08\u6216\u5b9e\u4f53\uff09\u3001\u5b83\u4eec\u7684\u5c5e\u6027\u3001\u65b9\u6cd5\u4ee5\u53ca\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u6765\u76f4\u89c2\u5730\u8868\u793a\u7cfb\u7edf\u7684\u7ed3\u6784\u3002\u5b83\u662f\u7edf\u4e00\u5efa\u6a21\u8bed\u8a00\uff08UML\uff09\u7684\u4e00\u90e8\u5206\uff0cUML\u662f\u4e00\u79cd\u7528\u4e8e\u8bbe\u8ba1\u8f6f\u4ef6\u7cfb\u7edf\u7684\u6807\u51c6\u5316\u5efa\u6a21\u8bed\u8a00\u3002\u7c7b\u56fe\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u548c\u6570\u636e\u5e93\u8bbe\u8ba1\u4e2d\uff0c\u7528\u4e8e\u5728\u5b9e\u73b0\u4e4b\u524d\u5b9a\u4e49\u7cfb\u7edf\u7684\u84dd\u56fe\u3002<\/p>\n<p class=\"break-words\">\u5728\u672c\u5168\u9762\u6307\u5357\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8 <a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-class-diagram\/\">\u7c7b\u56fe<\/a>\u7684\u8981\u70b9\uff0c\u4ee5\u60a8\u63d0\u4f9b\u7684\u8ba2\u5355\u7ba1\u7406\u7cfb\u7edf\u793a\u4f8b\u4f5c\u4e3a\u5b9e\u9645\u53c2\u8003\u3002\u6211\u4eec\u5c06\u5206\u89e3\u5176\u7ec4\u6210\u90e8\u5206\u3001\u7b26\u53f7\u3001\u5173\u7cfb\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u786e\u4fdd\u5168\u9762\u7406\u89e3\u3002<\/p>\n<h2><strong>1. \u7c7b\u56fe\u6982\u8ff0<\/strong><\/h2>\n<p class=\"break-words\">\u7c7b\u56fe\u901a\u8fc7\u5c55\u793a\u4ee5\u4e0b\u5185\u5bb9\u6765\u8868\u793a\u7cfb\u7edf\u7684\u9759\u6001\u7ed3\u6784\uff1a<\/p>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><strong>\u7c7b<\/strong>\uff1a\u7cfb\u7edf\u7684\u6784\u5efa\u6a21\u5757\uff0c\u8868\u793a\u5b9e\u4f53\uff08\u4f8b\u5982\u5ba2\u6237\u6216\u8ba2\u5355\u7b49\u5bf9\u8c61\uff09\u3002<\/li>\n<li class=\"break-words\"><strong>\u5c5e\u6027<\/strong>\uff1a\u7c7b\u7684\u5c5e\u6027\u6216\u6570\u636e\u5b57\u6bb5\uff08\u4f8b\u5982\u5ba2\u6237\u7684\u59d3\u540d\u6216\u8ba2\u5355\u7684\u521b\u5efa\u65e5\u671f\uff09\u3002<\/li>\n<li class=\"break-words\"><strong>\u65b9\u6cd5<\/strong>\uff1a\u7c7b\u53ef\u4ee5\u6267\u884c\u7684\u884c\u4e3a\u6216\u64cd\u4f5c\uff08\u4f8b\u5982\u8ba1\u7b97\u5c0f\u8ba1\uff09\u3002<\/li>\n<li class=\"break-words\"><strong>\u5173\u7cfb<\/strong>\uff1a\u7c7b\u4e4b\u95f4\u5982\u4f55\u76f8\u4e92\u4f5c\u7528\uff08\u4f8b\u5982\u5ba2\u6237\u4e0b\u8ba2\u5355\uff09\u3002<\/li>\n<\/ul>\n<p class=\"break-words\">\u7c7b\u56fe\u5728\u8f6f\u4ef6\u5f00\u53d1\u7684\u8bbe\u8ba1\u9636\u6bb5\u975e\u5e38\u6709\u7528\uff0c\u56e0\u4e3a\u5b83\u4eec\uff1a<\/p>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u63d0\u4f9b\u7cfb\u7edf\u7684\u9ad8\u5c42\u89c6\u56fe\u3002<\/li>\n<li class=\"break-words\">\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u548c\u5229\u76ca\u76f8\u5173\u8005\u7406\u89e3\u7cfb\u7edf\u7ed3\u6784\u3002<\/li>\n<li class=\"break-words\">\u4f5c\u4e3a\u7f16\u7801\u6216\u6570\u636e\u5e93\u6a21\u5f0f\u521b\u5efa\u7684\u84dd\u56fe\u3002<\/li>\n<\/ul>\n<h2><strong>2. \u7c7b\u56fe\u7684\u5173\u952e\u7ec4\u4ef6<\/strong><\/h2>\n<p class=\"break-words\">\u8ba9\u6211\u4eec\u901a\u8fc7\u4e0b\u9762\u7684\u793a\u4f8b\u6765\u5206\u89e3\u7c7b\u56fe\u7684\u5404\u4e2a\u7ec4\u4ef6\uff1a<\/p>\n<p><img alt=\"What is Class Diagram?\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-class-diagram\/what-is-class-diagram.png\"\/><\/p>\n<h3><strong>2.1. \u7c7b<\/strong><\/h3>\n<p class=\"break-words\">\u7c7b\u4ee5\u4e00\u4e2a\u5206\u4e3a\u4e09\u4e2a\u90e8\u5206\u7684\u77e9\u5f62\u6846\u8868\u793a\uff1a<\/p>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><strong>\u9876\u90e8\u90e8\u5206<\/strong>\uff1a\u7c7b\u540d\uff08\u4f8b\u5982 <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u5ba2\u6237<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u8ba2\u5355<\/span>).<\/li>\n<li class=\"break-words\"><strong>\u4e2d\u95f4\u90e8\u5206<\/strong>: \u5c5e\u6027\uff08\u4f8b\u5982\uff0c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">name: \u5b57\u7b26\u4e32<\/span>\u5728<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u5ba2\u6237<\/span>\u7c7b\u4e2d\uff09\u3002<\/li>\n<li class=\"break-words\"><strong>\u5e95\u90e8\u90e8\u5206<\/strong>: \u65b9\u6cd5\uff08\u4f8b\u5982\uff0c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">+ getPriceForQuantity()<\/span>\u5728<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u9879\u76ee<\/span>\u7c7b\u4e2d\uff09\u3002<\/li>\n<\/ul>\n<h4><strong>\u6765\u81ea\u56fe\u8868\u7684\u793a\u4f8b<\/strong><\/h4>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><strong>\u7c7b\uff1a\u5ba2\u6237<\/strong>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><strong>\u5c5e\u6027<\/strong>:\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">name: \u5b57\u7b26\u4e32<\/span><\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">deliveryAddress: \u5b57\u7b26\u4e32<\/span><\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">contact: \u5b57\u7b26\u4e32<\/span><\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">active: \u5e03\u5c14\u503c<\/span><\/li>\n<\/ul>\n<\/li>\n<li class=\"break-words\"><strong>\u65b9\u6cd5<\/strong>: \u6b64\u60c5\u51b5\u4e0b\u65e0\u3002<\/li>\n<\/ul>\n<\/li>\n<li class=\"break-words\"><strong>\u7c7b\uff1a\u9879\u76ee<\/strong>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><strong>\u5c5e\u6027<\/strong>:\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">weight: \u6d6e\u70b9\u6570<\/span><\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">description: \u5b57\u7b26\u4e32<\/span><\/li>\n<\/ul>\n<\/li>\n<li class=\"break-words\"><strong>\u65b9\u6cd5<\/strong>:\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">+ getPriceForQuantity()<\/span><\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">+ getWeight()<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4><strong>\u7b26\u53f7\u8bf4\u660e<\/strong><\/h4>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u5c5e\u6027\u5199\u4f5c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">name: type<\/span>\uff08\u4f8b\u5982\uff0c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">name: String<\/span>).<\/li>\n<li class=\"break-words\">\u65b9\u6cd5\u5199\u4f5c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">name()<\/span>\uff08\u5982\u679c\u9002\u7528\uff0c\u5305\u542b\u8fd4\u56de\u7c7b\u578b\uff0c\u4f8b\u5982<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">getPriceForQuantity()<\/span>).<\/li>\n<li class=\"break-words\">\u5728\u65b9\u6cd5\u524d\u7684<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">+<\/span>\u7b26\u53f7\u8868\u793a<strong>\u516c\u5171\u53ef\u89c1\u6027<\/strong>\uff08\u53ef\u88ab\u5176\u4ed6\u7c7b\u8bbf\u95ee\uff09\u3002\u5176\u4ed6\u53ef\u89c1\u6027\u4fee\u9970\u7b26\u5305\u62ec\uff1a\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u2013<\/span>\u8868\u793a\u79c1\u6709\uff08\u4ec5\u5728\u7c7b\u5185\u90e8\u53ef\u8bbf\u95ee\uff09\u3002<\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">#<\/span>\u8868\u793a\u53d7\u4fdd\u62a4\uff08\u5728\u7c7b\u53ca\u5176\u5b50\u7c7b\u4e2d\u53ef\u8bbf\u95ee\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><strong>2.2. \u679a\u4e3e<\/strong><\/h3>\n<p class=\"break-words\">\u679a\u4e3e\uff08<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">&lt;&lt;enumeration&gt;&gt;<\/span>\uff09\u662f\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u7c7b\uff0c\u7528\u4e8e\u5b9a\u4e49\u4e00\u7ec4\u56fa\u5b9a\u7684\u5e38\u91cf\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u8868\u793a\u9884\u5b9a\u4e49\u7684\u503c\u5217\u8868\u3002<\/p>\n<h4><strong>\u6765\u81ea\u56fe\u793a\u7684\u793a\u4f8b<\/strong><\/h4>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><strong>\u679a\u4e3e\uff1aOrderStatus<\/strong>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u503c\uff1a\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">CREATE: int = 0<\/span><\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u8fd0\u8f93\u4e2d\uff1aint = 1<\/span><\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u5df2\u9001\u8fbe\uff1aint = 2<\/span><\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u5df2\u652f\u4ed8\uff1aint = 3<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4><strong>\u8bf4\u660e<\/strong><\/h4>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u8be5<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">&lt;&lt;\u679a\u4e3e&gt;&gt;<\/span>\u6846\u4f53\u4e0a\u65b9\u7684\u6784\u9020\u578b\u8868\u793a\u8fd9\u662f\u4e00\u4e2a\u679a\u4e3e\u3002<\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u8ba2\u5355\u72b6\u6001<\/span>\u5b9a\u4e49\u4e86\u8ba2\u5355\u7684\u53ef\u80fd\u72b6\u6001\uff08\u4f8b\u5982\uff1a\u5df2\u521b\u5efa\u3001\u8fd0\u8f93\u4e2d\u3001\u5df2\u9001\u8fbe\u3001\u5df2\u652f\u4ed8\uff09\u3002<\/li>\n<li class=\"break-words\">\u6bcf\u4e2a\u503c\u90fd\u88ab\u5206\u914d\u4e00\u4e2a\u6574\u6570\uff08\u4f8b\u5982\uff0c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u521b\u5efa = 0<\/span>\uff09\uff0c\u8be5\u6574\u6570\u53ef\u80fd\u5728\u4ee3\u7801\u4e2d\u7528\u4e8e\u8ddf\u8e2a\u8ba2\u5355\u7684\u72b6\u6001\u3002<\/li>\n<\/ul>\n<h3><strong>2.3. \u5c5e\u6027<\/strong><\/h3>\n<p class=\"break-words\">\u5c5e\u6027\u63cf\u8ff0\u7c7b\u7684\u6570\u636e\u6216\u7279\u6027\u3002\u5b83\u4eec\u901a\u5e38\u5217\u51fa\u540d\u79f0\u3001\u7c7b\u578b\uff0c\u6709\u65f6\u8fd8\u5305\u62ec\u521d\u59cb\u503c\u3002<\/p>\n<h4><strong>\u6765\u81ea\u56fe\u793a\u7684\u793a\u4f8b<\/strong><\/h4>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u5728<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u8ba2\u5355<\/span>\u7c7b\u4e2d\uff1a\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u521b\u5efa\u65e5\u671f\uff1a\u65e5\u671f<\/span> \u2013 \u8ba2\u5355\u521b\u5efa\u7684\u65e5\u671f\u3002<\/li>\n<\/ul>\n<\/li>\n<li class=\"break-words\">\u5728<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u4fe1\u7528<\/span>\u7c7b\u4e2d\uff1a\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u7f16\u53f7\uff1a\u5b57\u7b26\u4e32<\/span><\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u7c7b\u578b\uff1a\u5b57\u7b26\u4e32<\/span><\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u5230\u671f\u65e5\u671f\uff1a\u65e5\u671f<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4><strong>\u7b26\u53f7\u8bf4\u660e<\/strong><\/h4>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u5c5e\u6027\u9075\u5faa\u4ee5\u4e0b\u683c\u5f0f\uff1a<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u540d\u79f0\uff1a\u7c7b\u578b<\/span>\uff08\u4f8b\u5982\uff0c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u91cd\u91cf\uff1a\u6d6e\u70b9\u6570<\/span>).<\/li>\n<li class=\"break-words\">\u5982\u679c\u6307\u5b9a\u4e86\u521d\u59cb\u503c\uff0c\u5b83\u5c06\u5199\u4e3a<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u540d\u79f0\uff1a\u7c7b\u578b = \u503c<\/span>\uff08\u4f8b\u5982\uff0c\u5728\u679a\u4e3e\u4e2d\uff0c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">CREATE\uff1a\u6574\u6570 = 0<\/span>).<\/li>\n<\/ul>\n<h3><strong>2.4. \u65b9\u6cd5<\/strong><\/h3>\n<p class=\"break-words\">\u65b9\u6cd5\u8868\u793a\u7c7b\u53ef\u4ee5\u6267\u884c\u7684\u64cd\u4f5c\u6216\u884c\u4e3a\u3002\u5b83\u4eec\u901a\u5e38\u7528\u4e8e\u64cd\u4f5c\u7c7b\u7684\u5c5e\u6027\u6216\u6267\u884c\u8ba1\u7b97\u3002<\/p>\n<h4><strong>\u6765\u81ea\u56fe\u793a\u7684\u793a\u4f8b<\/strong><\/h4>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u5728<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u9879\u76ee<\/span>\u7c7b\u4e2d\uff1a\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">+ getPriceForQuantity()<\/span> \u2013 \u53ef\u80fd\u6839\u636e\u8ba2\u8d2d\u6570\u91cf\u8ba1\u7b97\u603b\u4ef7\u3002<\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">+ getWeight()<\/span> \u2013 \u8fd4\u56de\u9879\u76ee\u7684\u91cd\u91cf\u3002<\/li>\n<\/ul>\n<\/li>\n<li class=\"break-words\">\u5728<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u8ba2\u5355\u660e\u7ec6<\/span>\u7c7b\u4e2d\uff1a\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">+ calculateSubTotal()<\/span> \u2013 \u8ba1\u7b97\u5355\u4e2a\u5546\u54c1\u7684\u5b50\u603b\u8ba1\uff08\u4f8b\u5982\uff0c\u4ef7\u683c \u00d7 \u6570\u91cf\uff09\u3002<\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">+ calculateWeight()<\/span> \u2013 \u8ba1\u7b97\u5355\u4e2a\u5546\u54c1\u7684\u603b\u91cd\u91cf\uff08\u4f8b\u5982\uff0c\u91cd\u91cf \u00d7 \u6570\u91cf\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4><strong>\u7b26\u53f7\u8bf4\u660e<\/strong><\/h4>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u65b9\u6cd5\u5199\u4f5c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u540d\u79f0()<\/span>\u5e76\u5e26\u6709\u53ef\u89c1\u6027\u4fee\u9970\u7b26\uff08\u4f8b\u5982\uff0c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">+<\/span>\u8868\u793a\u516c\u5171\uff09\u3002<\/li>\n<li class=\"break-words\">\u5982\u679c\u4e00\u4e2a\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u503c\uff0c\u53ef\u4ee5\u6307\u5b9a\u8fd4\u56de\u7c7b\u578b\uff08\u4f8b\u5982\uff0c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">getWeight(): float<\/span>).<\/li>\n<\/ul>\n<h2><strong>3. \u7c7b\u4e4b\u95f4\u7684\u5173\u7cfb<\/strong><\/h2>\n<p class=\"break-words\">\u5173\u7cfb\u5b9a\u4e49\u4e86\u7c7b\u4e4b\u95f4\u5982\u4f55\u76f8\u4e92\u4f5c\u7528\u3002\u56fe\u8868\u4f7f\u7528\u7ebf\u6761\u3001\u7b26\u53f7\u548c\u6570\u5b57\u6765\u8868\u793a\u5173\u7cfb\u7684\u7c7b\u578b\u548c\u57fa\u6570\u3002<\/p>\n<h3><strong>3.1. \u5173\u8054<\/strong><\/h3>\n<p class=\"break-words\">\u5173\u8054\u8868\u793a\u4e24\u4e2a\u7c7b\u4e4b\u95f4\u7684\u901a\u7528\u5173\u7cfb\uff0c\u901a\u5e38\u8868\u793a\u4e00\u4e2a\u7c7b\u4f7f\u7528\u6216\u4e0e\u53e6\u4e00\u4e2a\u7c7b\u4ea4\u4e92\u3002<\/p>\n<h4><strong>\u6765\u81ea\u56fe\u8868\u7684\u793a\u4f8b<\/strong><\/h4>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><strong>\u5ba2\u6237\u5230\u8ba2\u5355<\/strong>:\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u4e00\u6761\u7ebf\u8fde\u63a5<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u5ba2\u6237<\/span>\u548c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u8ba2\u5355<\/span>.<\/li>\n<li class=\"break-words\"><strong>\u57fa\u6570<\/strong>: <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1<\/span>\uff08\u5ba2\u6237\uff09\u5230<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">0..*<\/span>\uff08\u8ba2\u5355\uff09\u3002<\/li>\n<li class=\"break-words\"><strong>\u89e3\u91ca<\/strong>\uff1a\u4e00\u4e2a\u5ba2\u6237\u53ef\u4ee5\u4e0b\u96f6\u4e2a\u6216\u591a\u4e2a\u8ba2\u5355\uff08<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">0..*<\/span>\uff09\uff0c\u4f46\u6bcf\u4e2a\u8ba2\u5355\u90fd\u4e0e\u4e00\u4e2a\u5ba2\u6237\u76f8\u5173\u8054\uff08<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1<\/span>).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4><strong>\u7b26\u53f7\u8bf4\u660e<\/strong><\/h4>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u5b9e\u7ebf\u8868\u793a\u5173\u8054\u3002<\/li>\n<li class=\"break-words\">\u57fa\u6570\u5199\u5728\u7ebf\u6761\u7684\u4e24\u7aef\uff1a\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1<\/span>: \u6070\u597d\u4e00\u4e2a\u3002<\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">0..*<\/span>: \u96f6\u4e2a\u6216\u591a\u4e2a\u3002<\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1..*<\/span>: \u4e00\u4e2a\u6216\u591a\u4e2a\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><strong>3.2. \u805a\u5408<\/strong><\/h3>\n<p class=\"break-words\">\u805a\u5408\u662f\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u5173\u8054\uff0c\u8868\u793a\u201c\u6574\u4f53-\u90e8\u5206\u201d\u5173\u7cfb\uff0c\u5176\u4e2d\u90e8\u5206\u53ef\u4ee5\u72ec\u7acb\u4e8e\u6574\u4f53\u5b58\u5728\u3002\u5b83\u5728\u2018\u6574\u4f53\u2019\u4e00\u4fa7\u7528\u7a7a\u5fc3\u83f1\u5f62\u8868\u793a\u3002<\/p>\n<h4><strong>\u6765\u81ea\u56fe\u8868\u7684\u793a\u4f8b<\/strong><\/h4>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><strong>\u8ba2\u5355\u5230\u8ba2\u5355\u660e\u7ec6<\/strong>:\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u4e00\u6761\u5e26\u6709\u7a7a\u5fc3\u83f1\u5f62\u7684\u7ebf\u8fde\u63a5<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u8ba2\u5355<\/span>\u5230<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u8ba2\u5355\u660e\u7ec6<\/span>.<\/li>\n<li class=\"break-words\"><strong>\u57fa\u6570<\/strong>: <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1<\/span>\uff08\u8ba2\u5355\uff09\u5230<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1..*<\/span>\uff08\u8ba2\u5355\u660e\u7ec6\uff09\u3002<\/li>\n<li class=\"break-words\"><strong>\u89e3\u91ca<\/strong>: \u4e00\u4e2a\u8ba2\u5355\uff08\u6574\u4f53\uff09\u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a\u8ba2\u5355\u660e\u7ec6\uff08\u90e8\u5206\uff09\u3002\u5982\u679c\u5220\u9664\u8ba2\u5355\uff0c\u8ba2\u5355\u660e\u7ec6\u53ef\u80fd\u4ecd\u7136\u5b58\u5728\uff08\u53d6\u51b3\u4e8e\u7cfb\u7edf\u7684\u89c4\u5219\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><strong>3.3. \u7ec4\u5408<\/strong><\/h3>\n<p class=\"break-words\">\u7ec4\u5408\u662f\u805a\u5408\u7684\u4e00\u79cd\u66f4\u5f3a\u5f62\u5f0f\uff0c\u5176\u4e2d\u90e8\u5206\u4e0d\u80fd\u8131\u79bb\u6574\u4f53\u800c\u5b58\u5728\u3002\u5b83\u5728\u2018\u6574\u4f53\u2019\u4e00\u4fa7\u7528\u5b9e\u5fc3\u83f1\u5f62\u8868\u793a\u3002\u5c3d\u7ba1\u56fe\u8868\u4e2d\u5e76\u672a\u660e\u786e\u4f7f\u7528\u7ec4\u5408\uff0c\u4f46\u4e3a\u4e86\u5b8c\u6574\u6027\u4ecd\u9700\u6ce8\u610f\u8fd9\u4e00\u70b9\u3002<\/p>\n<h4><strong>\u5047\u8bbe\u793a\u4f8b<\/strong><\/h4>\n<p class=\"break-words\">\u5982\u679c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u8ba2\u5355\u660e\u7ec6<\/span>\u65e0\u6cd5\u5728\u6ca1\u6709<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u8ba2\u5355<\/span>\uff08\u4f8b\u5982\uff0c\u5220\u9664\u8ba2\u5355\u4e5f\u4f1a\u5220\u9664\u5176\u6240\u6709\u660e\u7ec6\uff09\uff0c\u83f1\u5f62\u5c06\u88ab\u586b\u5145\u4ee5\u8868\u793a\u7ec4\u5408\u5173\u7cfb\u3002<\/p>\n<h3><strong>3.4. \u7ee7\u627f\uff08\u6cdb\u5316\uff09<\/strong><\/h3>\n<p class=\"break-words\">\u7ee7\u627f\u8868\u793a\u4e00\u79cd\u201c\u662f\u4e00\u79cd\u201d\u7684\u5173\u7cfb\uff0c\u5b50\u7c7b\u4ece\u7236\u7c7b\u7ee7\u627f\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u5b83\u7528\u4e00\u4e2a\u6307\u5411\u7236\u7c7b\u7684\u4e09\u89d2\u5f62\u6765\u8868\u793a\u3002<\/p>\n<h4><strong>\u6765\u81ea\u56fe\u793a\u7684\u793a\u4f8b<\/strong><\/h4>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><strong>\u652f\u4ed8\u65b9\u5f0f\u5305\u62ec\u73b0\u91d1\u3001\u652f\u7968\u3001\u4fe1\u7528\u5361\u548c\u7535\u6c47<\/strong>:\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u4e00\u4e2a\u4e09\u89d2\u5f62\u8fde\u63a5<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u652f\u4ed8<\/span>\uff08\u7236\u7c7b\uff09\u5230<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u73b0\u91d1<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u652f\u7968<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u4fe1\u7528\u5361<\/span>\uff0c\u4ee5\u53ca<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u7535\u6c47<\/span>\uff08\u5b50\u7c7b\uff09\u3002<\/li>\n<li class=\"break-words\"><strong>\u8bf4\u660e<\/strong>:\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u73b0\u91d1<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u652f\u7968<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u4fe1\u7528\u5361<\/span>\uff0c\u4ee5\u53ca<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u7535\u6c47<\/span>\u4ece<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u91d1\u989d\uff1a\u6d6e\u70b9\u6570<\/span>\u5c5e\u6027\u7ee7\u627f\u800c\u6765<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u4ed8\u6b3e<\/span>.<\/li>\n<li class=\"break-words\">\u6bcf\u4e2a\u5b50\u7c7b\u6dfb\u52a0\u5176\u81ea\u8eab\u7684\u7279\u5b9a\u5c5e\u6027\uff08\u4f8b\u5982\uff0c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u73b0\u91d1<\/span>\u5177\u6709<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u73b0\u91d1\u652f\u4ed8\u91d1\u989d\uff1a\u6d6e\u70b9\u6570<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u4fe1\u7528\u5361<\/span>\u5177\u6709<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u5361\u53f7\uff1a\u5b57\u7b26\u4e32<\/span>).<\/li>\n<li class=\"break-words\">\u8fd9\u4f7f\u5f97\u591a\u6001\u884c\u4e3a\u6210\u4e3a\u53ef\u80fd\uff1a\u4ed8\u6b3e\u53ef\u4ee5\u88ab\u89c6\u4e3a\u4e00\u79cd<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u4ed8\u6b3e<\/span>\uff0c\u800c\u4e0d\u7ba1\u5176\u5177\u4f53\u7c7b\u578b\u5982\u4f55\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4><strong>\u7b26\u53f7\u8bf4\u660e<\/strong><\/h4>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u4e00\u6761\u5b9e\u7ebf\u52a0\u4e00\u4e2a\u4e09\u89d2\u5f62\uff08\u6307\u5411\u7236\u7c7b\uff09\u8868\u793a\u7ee7\u627f\u5173\u7cfb\u3002<\/li>\n<li class=\"break-words\">\u5b50\u7c7b\u7ee7\u627f\u7236\u7c7b\u7684\u6240\u6709\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u4f46\u4e5f\u53ef\u4ee5\u6dfb\u52a0\u81ea\u5df1\u7684\u5c5e\u6027\u6216\u65b9\u6cd5\uff0c\u6216\u91cd\u5199\u7ee7\u627f\u7684\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<hr\/>\n<h2><strong>4. \u5b9e\u9645\u793a\u4f8b\uff1a\u8ba2\u5355\u7ba1\u7406\u7cfb\u7edf<\/strong><\/h2>\n<p class=\"break-words\">\u8ba9\u6211\u4eec\u8be6\u7ec6\u5206\u6790\u6240\u63d0\u4f9b\u7684<a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2576_classdiagram.html\">\u7c7b\u56fe<\/a>\u4ee5\u4e86\u89e3\u8fd9\u4e9b\u6982\u5ff5\u5728\u5b9e\u9645\u573a\u666f\u4e2d\u662f\u5982\u4f55\u7ed3\u5408\u5728\u4e00\u8d77\u7684\u3002<\/p>\n<p><img alt=\"What are the six types of relationships in UML class diagrams? - Visual ...\" decoding=\"async\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https%3A%2F%2Fblog.visual-paradigm.com%2Fwp-content%2Fuploads%2F2022%2F10%2Fuml-class-diagram-example-sales-order-system.png&amp;f=1&amp;nofb=1&amp;ipt=83bb8a32ab407acd9f6d76c75536170e476d82bb0ab73e42d715e24a72438e46&amp;ipo=images\"\/><\/p>\n<h3><strong>4.1. \u7cfb\u7edf\u6982\u8ff0<\/strong><\/h3>\n<p class=\"break-words\">\u8be5\u56fe\u63cf\u8ff0\u4e86\u4e00\u4e2a\u8ba2\u5355\u7ba1\u7406\u7cfb\u7edf\uff0c\u5176\u4e2d\uff1a<\/p>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u4e00\u4e2a<strong>\u5ba2\u6237<\/strong>\u4e0b\u4e86\u4e00\u4e2a<strong>\u8ba2\u5355<\/strong>.<\/li>\n<li class=\"break-words\">\u4e00\u4e2a<strong>\u8ba2\u5355<\/strong> \u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a <strong>\u8ba2\u5355\u660e\u7ec6<\/strong> \u6761\u76ee\uff0c\u6bcf\u4e2a\u90fd\u4e0e\u4e00\u4e2a <strong>\u5546\u54c1<\/strong>.<\/li>\n<li class=\"break-words\">\u8be5 <strong>\u8ba2\u5355<\/strong> \u4f7f\u7528\u4e00\u79cd\u6216\u591a\u79cd <strong>\u652f\u4ed8<\/strong> \u65b9\u5f0f\uff08\u4f8b\u5982 <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u73b0\u91d1<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u652f\u7968<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u4fe1\u7528\u5361<\/span>\uff0c\u6216 <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u7535\u6c47<\/span>).<\/li>\n<li class=\"break-words\">\u8be5 <strong>\u8ba2\u5355<\/strong> \u7684\u72b6\u6001\u901a\u8fc7 <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u8ba2\u5355\u72b6\u6001<\/span> \u679a\u4e3e\u8fdb\u884c\u8ddf\u8e2a\u3002<\/li>\n<\/ul>\n<h3><strong>4.2. \u7c7b\u53ca\u5176\u89d2\u8272<\/strong><\/h3>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><strong>\u5ba2\u6237<\/strong>\uff1a\u4ee3\u8868\u4e0b\u8ba2\u5355\u7684\u4eba\u3002\u5c5e\u6027\u5305\u62ec <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u59d3\u540d<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u9001\u8d27\u5730\u5740<\/span>\uff0c\u4ee5\u53ca <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u8054\u7cfb<\/span>\u5b58\u50a8\u5ba2\u6237\u4fe1\u606f\u3002<\/li>\n<li class=\"break-words\"><strong>\u8ba2\u5355<\/strong>: \u6838\u5fc3\u5b9e\u4f53\uff0c\u4ee3\u8868\u5ba2\u6237\u7684\u8ba2\u5355\u3002\u5b83\u5177\u6709<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u521b\u5efa\u65e5\u671f<\/span>\uff0c\u5e76\u4e0e\u5ba2\u6237\u3001\u8ba2\u5355\u8be6\u60c5\u53ca\u4ed8\u6b3e\u76f8\u5173\u8054\u3002<\/li>\n<li class=\"break-words\"><strong>\u5546\u54c1<\/strong>: \u4ee3\u8868\u4e00\u79cd\u5177\u6709<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u91cd\u91cf<\/span>\u548c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u63cf\u8ff0<\/span>\u7684\u4ea7\u54c1\u3002\u5b83\u5177\u6709\u8ba1\u7b97\u4ef7\u683c\u548c\u83b7\u53d6\u91cd\u91cf\u7684\u65b9\u6cd5\u3002<\/li>\n<li class=\"break-words\"><strong>\u8ba2\u5355\u660e\u7ec6<\/strong>: \u4ee3\u8868\u8ba2\u5355\u4e2d\u7684\u4e00\u884c\u9879\u76ee\uff0c\u5c06\u4e00\u4e2a<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u5546\u54c1<\/span>\u4e0e\u6570\u91cf\uff08<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u6570\u91cf<\/span>\uff09\u548c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u7a0e\u72b6\u6001<\/span>\u76f8\u5173\u8054\u3002\u5b83\u5177\u6709\u8ba1\u7b97\u5c0f\u8ba1\u548c\u91cd\u91cf\u7684\u65b9\u6cd5\u3002<\/li>\n<li class=\"break-words\"><strong>\u4ed8\u6b3e<\/strong>: \u4ed8\u6b3e\u65b9\u5f0f\u7684\u7236\u7c7b\uff0c\u5305\u542b\u5b50\u7c7b\uff08<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u73b0\u91d1<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u652f\u7968<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u4fe1\u7528\u5361<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u7535\u6c47<\/span>\uff09\u7528\u4e8e\u5904\u7406\u4e0d\u540c\u7684\u4ed8\u6b3e\u7c7b\u578b\u3002<\/li>\n<li class=\"break-words\"><strong>\u8ba2\u5355\u72b6\u6001<\/strong>: \u4e00\u4e2a\u679a\u4e3e\uff0c\u7528\u4e8e\u8ddf\u8e2a\u8ba2\u5355\u7684\u72b6\u6001\uff08\u4f8b\u5982\uff1a\u5df2\u521b\u5efa\u3001\u5df2\u53d1\u8d27\u3001\u5df2\u9001\u8fbe\u3001\u5df2\u652f\u4ed8\uff09\u3002<\/li>\n<\/ul>\n<h3><strong>4.3. \u5173\u7cfb\u7684\u5b9e\u9645\u5e94\u7528<\/strong><\/h3>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><strong>\u5ba2\u6237\u5230\u8ba2\u5355<\/strong>: \u4e00\u4e2a\u5ba2\u6237\u53ef\u4ee5\u4e0b\u591a\u4e2a\u8ba2\u5355\uff08<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">0..*<\/span>\uff09\uff0c\u4f46\u6bcf\u4e2a\u8ba2\u5355\u53ea\u5c5e\u4e8e\u4e00\u4e2a\u5ba2\u6237\uff08<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1<\/span>).<\/li>\n<li class=\"break-words\"><strong>\u8ba2\u5355\u5230\u8ba2\u5355\u660e\u7ec6<\/strong>: \u4e00\u4e2a\u8ba2\u5355\u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a\u8ba2\u5355\u660e\u7ec6\uff08<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1..*<\/span>\uff09\uff0c\u4e14\u6bcf\u4e2a\u8ba2\u5355\u660e\u7ec6\u53ea\u5c5e\u4e8e\u4e00\u4e2a\u8ba2\u5355\uff08<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1<\/span>).<\/li>\n<li class=\"break-words\"><strong>\u8ba2\u5355\u660e\u7ec6\u5230\u5546\u54c1<\/strong>: \u6bcf\u4e2a\u8ba2\u5355\u660e\u7ec6\u5f15\u7528\u4e00\u4e2a\u5546\u54c1\uff08<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1<\/span>\uff09\uff0c\u4f46\u4e00\u4e2a\u5546\u54c1\u53ef\u4ee5\u51fa\u73b0\u5728\u591a\u4e2a\u8ba2\u5355\u660e\u7ec6\u4e2d\uff08<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">0..*<\/span>).<\/li>\n<li class=\"break-words\"><strong>\u8ba2\u5355\u5230\u652f\u4ed8<\/strong>: \u4e00\u4e2a\u8ba2\u5355\u53ef\u4ee5\u6709\u591a\u4e2a\u652f\u4ed8\uff08<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1..*<\/span>\uff09\uff0c\u4e14\u6bcf\u4e2a\u652f\u4ed8\u53ea\u5173\u8054\u4e00\u4e2a\u8ba2\u5355\uff08<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1<\/span>).<\/li>\n<li class=\"break-words\"><strong>\u652f\u4ed8\u7684\u7ee7\u627f<\/strong>: <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u73b0\u91d1<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u652f\u7968<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u4fe1\u7528<\/span>\uff0c\u4ee5\u53ca<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u7535\u6c47<\/span>\u662f\u7279\u5b9a\u7c7b\u578b\u7684\u652f\u4ed8\uff0c\u7ee7\u627f\u4e86<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u91d1\u989d<\/span>\u5c5e\u6027\u6765\u81ea<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u652f\u4ed8<\/span>.<\/li>\n<\/ul>\n<h3><strong>4.4. \u4e1a\u52a1\u903b\u8f91<\/strong><\/h3>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u8be5<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u9879\u76ee<\/span>\u7c7b\u5177\u6709\u8bf8\u5982<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">getPriceForQuantity()<\/span>\u7684\u65b9\u6cd5\uff0c\u8868\u660e\u5b83\u6839\u636e\u8ba2\u8d2d\u6570\u91cf\u8ba1\u7b97\u9879\u76ee\u7684\u6210\u672c\u3002<\/li>\n<li class=\"break-words\">\u8be5<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u8ba2\u5355\u660e\u7ec6<\/span>\u7c7b\u5177\u6709\u8bf8\u5982<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">calculateSubTotal()<\/span>\u548c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">calculateWeight()<\/span>\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u80fd\u4f7f\u7528\u9879\u76ee\u7684\u5355\u4ef7\u548c\u91cd\u91cf\u6765\u8ba1\u7b97\u6bcf\u4e2a\u660e\u7ec6\u884c\u7684\u5408\u8ba1\u3002<\/li>\n<li class=\"break-words\">\u8be5<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u652f\u7968<\/span>\u7c7b\u5177\u6709\u4e00\u4e2a<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">authorized()<\/span>\u65b9\u6cd5\uff0c\u8868\u660e\u652f\u7968\u652f\u4ed8\u5b58\u5728\u67d0\u79cd\u9a8c\u8bc1\u903b\u8f91\u3002<\/li>\n<\/ul>\n<hr\/>\n<h2><strong>5. \u521b\u5efa\u7c7b\u56fe\u7684\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n<p class=\"break-words\">\u4ee5\u4e0b\u662f\u6839\u636e\u793a\u4f8b\u521b\u5efa\u6709\u6548\u7c7b\u56fe\u7684\u4e00\u4e9b\u6280\u5de7\uff1a<\/p>\n<h3><strong>5.1. \u4fdd\u6301\u7b80\u6d01<\/strong><\/h3>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u4e13\u6ce8\u4e8e\u6838\u5fc3\u5b9e\u4f53\u548c\u5173\u7cfb\u3002\u793a\u4f8b\u56fe\u901a\u8fc7\u4ec5\u5305\u542b\u76f8\u5173\u5c5e\u6027\u548c\u65b9\u6cd5\u6765\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u590d\u6742\u6027\u3002<\/li>\n<li class=\"break-words\">\u4f7f\u7528\u679a\u4e3e\uff08\u4f8b\u5982<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">OrderStatus<\/span>\uff09\u6765\u8868\u793a\u9884\u5b9a\u4e49\u503c\uff0c\u4f7f\u56fe\u8868\u66f4\u6613\u8bfb\u3002<\/li>\n<\/ul>\n<h3><strong>5.2. \u4f7f\u7528\u6b63\u786e\u7684\u7b26\u53f7<\/strong><\/h3>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u660e\u786e\u8868\u793a\u53ef\u89c1\u6027\uff08<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">+<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u2013<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">#<\/span>\uff09\u4ee5\u533a\u5206\u5c5e\u6027\u548c\u65b9\u6cd5\u7684\u53ef\u89c1\u6027\u3002<\/li>\n<li class=\"break-words\">\u4f7f\u7528\u6b63\u786e\u7684\u7b26\u53f7\u8868\u793a\u5173\u7cfb\uff08\u4f8b\u5982\uff0c\u7a7a\u5fc3\u83f1\u5f62\u8868\u793a\u805a\u5408\uff0c\u4e09\u89d2\u5f62\u8868\u793a\u7ee7\u627f\uff09\u3002<\/li>\n<\/ul>\n<h3><strong>5.3. \u660e\u786e\u5b9a\u4e49\u5173\u7cfb<\/strong><\/h3>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u6307\u5b9a\u57fa\u6570\uff08\u4f8b\u5982<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">0..*<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1..*<\/span>\uff09\u4ee5\u907f\u514d\u6b67\u4e49\u3002<\/li>\n<li class=\"break-words\">\u5f53\u5b58\u5728\u201c\u6574\u4f53-\u90e8\u5206\u201d\u5173\u7cfb\u65f6\uff0c\u4f7f\u7528\u805a\u5408\u6216\u7ec4\u5408\uff0c\u5e76\u786e\u4fdd\u805a\u5408\uff08\u90e8\u5206\u53ef\u72ec\u7acb\u5b58\u5728\uff09\u4e0e\u7ec4\u5408\uff08\u90e8\u5206\u4e0d\u80fd\u8131\u79bb\u6574\u4f53\u800c\u5b58\u5728\uff09\u4e4b\u95f4\u7684\u533a\u522b\u6e05\u6670\u660e\u786e\u3002<\/li>\n<\/ul>\n<div>\n<p class=\"break-words\">\u662f\u4e00\u79cd\u201c\u6574\u4f53-\u90e8\u5206\u201d\u5173\u7cfb\uff0c\u4e14\u5e94\u786e\u4fdd\u805a\u5408\uff08\u90e8\u5206\u53ef\u72ec\u7acb\u5b58\u5728\uff09\u4e0e\u7ec4\u5408\uff08\u90e8\u5206\u4e0d\u80fd\u8131\u79bb\u6574\u4f53\u800c\u5b58\u5728\uff09\u4e4b\u95f4\u7684\u533a\u522b\u6e05\u6670\u660e\u786e\u3002<\/p>\n<h3><strong>5.4. \u5229\u7528\u7ee7\u627f\u5b9e\u73b0\u590d\u7528<\/strong><\/h3>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u4f7f\u7528\u7ee7\u627f\u4ee5\u907f\u514d\u91cd\u590d\u3002\u5728\u793a\u4f8b\u4e2d\uff0c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">Payment<\/span>\u7c7b\u662f<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">Cash<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u68c0\u67e5<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u4fe1\u7528<\/span>\uff0c\u4ee5\u53ca<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u7535\u6c47<\/span>\uff0c\u5141\u8bb8\u5171\u4eab\u5c5e\u6027\uff0c\u4f8b\u5982<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u91d1\u989d<\/span>\u53ea\u9700\u5b9a\u4e49\u4e00\u6b21\uff0c\u800c\u6bcf\u4e2a\u5b50\u7c7b\u53ef\u4ee5\u6dfb\u52a0\u5176\u81ea\u8eab\u7684\u7279\u5b9a\u5c5e\u6027\u3002<\/li>\n<\/ul>\n<h3><strong>5.5. \u5305\u542b\u884c\u4e3a\u65b9\u6cd5<\/strong><\/h3>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u6dfb\u52a0\u65b9\u6cd5\u4ee5\u8868\u793a\u5173\u952e\u884c\u4e3a\u6216\u8ba1\u7b97\u3002\u4f8b\u5982\uff0c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">calculateSubTotal()<\/span>\u5728<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">OrderDetail<\/span>\u548c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">getPriceForQuantity()<\/span>\u5728<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">Item<\/span>\u5c55\u793a\u4e86\u7cfb\u7edf\u5982\u4f55\u8ba1\u7b97\u6570\u503c\uff0c\u4f7f\u56fe\u8868\u66f4\u5177\u8868\u73b0\u529b\u3002<\/li>\n<\/ul>\n<h3><strong>5.6. \u4f7f\u7528\u679a\u4e3e\u8868\u793a\u56fa\u5b9a\u503c<\/strong><\/h3>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u50cf<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">OrderStatus<\/span>\u6709\u52a9\u4e8e\u5b9a\u4e49\u4e00\u7ec4\u53d7\u63a7\u7684\u503c\uff0c\u51cf\u5c11\u7cfb\u7edf\u4e2d\u7684\u9519\u8bef\u3002\u4f8b\u5982\uff0c\u8ba2\u5355\u7684\u72b6\u6001\u53ea\u80fd\u662f<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u521b\u5efa<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u8fd0\u8f93\u4e2d<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u5df2\u9001\u8fbe<\/span>\uff0c\u6216<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u5df2\u652f\u4ed8<\/span>\uff0c\u4ee5\u786e\u4fdd\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h3><strong>5.7. \u9a8c\u8bc1\u56fe\u8868<\/strong><\/h3>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u786e\u4fdd\u56fe\u8868\u4e0e\u7cfb\u7edf\u9700\u6c42\u4e00\u81f4\u3002\u4f8b\u5982\uff0c\u652f\u6301\u4e00\u4e2a\u8ba2\u5355\u4e2d\u6709\u591a\u4e2a\u652f\u4ed8\uff08<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1..*<\/span>\uff09\u6bcf\u8ba2\u5355\u652f\u6301\u5ba2\u6237\u53ef\u80fd\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5206\u644a\u4ed8\u6b3e\u7684\u60c5\u5f62\uff08\u4f8b\u5982\uff0c\u90e8\u5206\u73b0\u91d1\uff0c\u90e8\u5206\u4fe1\u7528\uff09\u3002<\/li>\n<\/ul>\n<hr\/>\n<h2><strong>6. \u7c7b\u56fe\u4e2d\u7684\u9ad8\u7ea7\u6982\u5ff5<\/strong><\/h2>\n<p class=\"break-words\">\u9664\u4e86\u57fa\u7840\u5185\u5bb9\u5916\uff0c\u7c7b\u56fe\u8fd8\u53ef\u4ee5\u5305\u542b\u66f4\u9ad8\u7ea7\u7684\u6982\u5ff5\uff0c\u5176\u4e2d\u4e00\u4e9b\u5728\u793a\u4f8b\u4e2d\u6709\u6240\u4f53\u73b0\u3002<\/p>\n<h3><strong>6.1. \u62bd\u8c61\u7c7b<\/strong><\/h3>\n<p class=\"break-words\">\u62bd\u8c61\u7c7b\u4e0d\u80fd\u76f4\u63a5\u5b9e\u4f8b\u5316\uff0c\u800c\u662f\u7528\u4e8e\u88ab\u5b50\u7c7b\u7ee7\u627f\u3002\u5728\u56fe\u8868\u4e2d\uff0c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u4ed8\u6b3e<\/span>\u53ef\u80fd\u662f\u4e00\u4e2a\u62bd\u8c61\u7c7b\uff08\u5c3d\u7ba1\u672a\u660e\u786e\u6807\u6ce8\uff09\u3002\u5982\u679c\u5b83\u662f\u62bd\u8c61\u7684\uff0c\u4f60\u5c31\u65e0\u6cd5\u76f4\u63a5\u521b\u5efa\u4e00\u4e2a<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u4ed8\u6b3e<\/span>\u5bf9\u8c61\uff0c\u800c\u5fc5\u987b\u521b\u5efa\u4e00\u4e2a<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u73b0\u91d1<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u652f\u7968<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u4fe1\u7528<\/span>\uff0c\u6216<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u7535\u6c47<\/span>\u5bf9\u8c61\u3002<\/p>\n<h4><strong>\u8868\u793a\u6cd5<\/strong><\/h4>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u62bd\u8c61\u7c7b\u901a\u5e38\u4ee5\u659c\u4f53\u8868\u793a\uff0c\u6216\u4f7f\u7528<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">&lt;&lt;\u62bd\u8c61&gt;&gt;<\/span>\u6807\u8bb0\u3002<\/li>\n<\/ul>\n<h3><strong>6.2. \u63a5\u53e3<\/strong><\/h3>\n<p class=\"break-words\">\u63a5\u53e3\u5b9a\u4e49\u4e86\u7c7b\u5fc5\u987b\u5b9e\u73b0\u7684\u65b9\u6cd5\u5951\u7ea6\u3002\u867d\u7136\u793a\u4f8b\u4e2d\u672a\u4f53\u73b0\uff0c\u4f46\u53ef\u4ee5\u4f7f\u7528\u63a5\u53e3\u6765\u5b9a\u4e49\u652f\u4ed8\u5904\u7406\u7684\u6807\u51c6\u65b9\u6cd5\u96c6\uff08\u4f8b\u5982\uff0c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u5904\u7406\u4ed8\u6b3e()<\/span>\uff09\uff0c\u6240\u6709\u652f\u4ed8\u7c7b\u578b\u90fd\u5fc5\u987b\u5b9e\u73b0\u3002<\/p>\n<h4><strong>\u8868\u793a\u6cd5<\/strong><\/h4>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u63a5\u53e3\u7528\u201c&lt;&lt;interface&gt;&gt;\u201d\u6807\u8bb0\uff0c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">&lt;&lt;interface&gt;&gt;<\/span>\u8868\u793a\u6cd5\uff0c\u5b9e\u73b0\u7c7b\u4e4b\u95f4\u7684\u5173\u7cfb\u7528\u5e26\u4e09\u89d2\u5f62\u7684\u865a\u7ebf\u8868\u793a\uff08\u7c7b\u4f3c\u4e8e\u7ee7\u627f\uff09\u3002<\/li>\n<\/ul>\n<h3><strong>6.3. \u4f9d\u8d56<\/strong><\/h3>\n<p class=\"break-words\">\u4f9d\u8d56\u8868\u793a\u4e00\u4e2a\u7c7b\u4f7f\u7528\u53e6\u4e00\u4e2a\u7c7b\uff0c\u4f46\u8fd9\u79cd\u5173\u7cfb\u6bd4\u5173\u8054\u8981\u5f31\u3002\u4f8b\u5982\uff0c\u5982\u679c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">Order<\/span>\u7c7b\u4e34\u65f6\u4f7f\u7528\u4e00\u4e2a<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">TaxCalculator<\/span>\u7c7b\u6765\u8ba1\u7b97\u7a0e\u6b3e\uff0c\u8fd9\u5c31\u5c5e\u4e8e\u4f9d\u8d56\u3002<\/p>\n<h4><strong>\u8868\u793a\u6cd5<\/strong><\/h4>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u7528\u5e26\u7bad\u5934\u7684\u865a\u7ebf\u6307\u5411\u88ab\u4f9d\u8d56\u7684\u7c7b\u3002<\/li>\n<\/ul>\n<h3><strong>6.4. \u591a\u91cd\u6027\u4e0e\u7ea6\u675f<\/strong><\/h3>\n<p class=\"break-words\">\u591a\u91cd\u6027\uff08\u57fa\u6570\uff09\u53ef\u4ee5\u6bd4\u7b80\u5355\u7684\u6570\u5b57\u66f4\u590d\u6742\u3002\u4f8b\u5982\uff1a<\/p>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1..3<\/span>\uff1a\u5b9e\u4f8b\u6570\u91cf\u57281\u52303\u4e4b\u95f4\u3002<\/li>\n<li class=\"break-words\"><span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">{ordered}<\/span>\uff1a\u96c6\u5408\u662f\u6709\u5e8f\u7684\uff08\u4f8b\u5982\uff0c\u8ba2\u5355\u660e\u7ec6\u53ef\u80fd\u6309\u6dfb\u52a0\u987a\u5e8f\u5b58\u50a8\uff09\u3002<\/li>\n<\/ul>\n<p class=\"break-words\">\u5728\u8be5\u793a\u4f8b\u4e2d\uff0c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">Order<\/span>\u5230<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">OrderDetail<\/span>\u7684\u5173\u7cfb\u7684\u591a\u91cd\u6027\u4e3a<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">1..*<\/span>\uff0c\u8868\u793a\u4e00\u4e2a\u8ba2\u5355\u5fc5\u987b\u81f3\u5c11\u6709\u4e00\u4e2a\u8ba2\u5355\u660e\u7ec6\u3002<\/p>\n<h2><strong>7. \u7c7b\u56fe\u7684\u5e38\u89c1\u5e94\u7528\u573a\u666f<\/strong><\/h2>\n<p class=\"break-words\">\u7c7b\u56fe\u5177\u6709\u5f88\u5f3a\u7684\u901a\u7528\u6027\uff0c\u53ef\u5e94\u7528\u4e8e\u591a\u79cd\u573a\u666f\uff1a<\/p>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><strong>\u8f6f\u4ef6\u5f00\u53d1<\/strong>\uff1a\u5728\u7f16\u7801\u524d\u8bbe\u8ba1\u5e94\u7528\u7a0b\u5e8f\u7684\u7ed3\u6784\u3002<\/li>\n<li class=\"break-words\"><strong>\u6570\u636e\u5e93\u8bbe\u8ba1<\/strong>\uff1a\u5c06\u7c7b\u6620\u5c04\u5230\u6570\u636e\u5e93\u8868\uff08\u4f8b\u5982\uff0c<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u5ba2\u6237<\/span>\u53d8\u6210\u4e00\u4e2a\u5305\u542b\u4ee5\u4e0b\u5217\u7684\u8868<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u59d3\u540d<\/span>, <span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u9001\u8d27\u5730\u5740<\/span>\uff0c\u7b49\u7b49\uff09\u3002<\/li>\n<li class=\"break-words\"><strong>\u7cfb\u7edf\u5206\u6790<\/strong>\uff1a\u4e3a\u4e86\u7406\u89e3\u5e76\u8bb0\u5f55\u73b0\u6709\u7cfb\u7edf\u3002<\/li>\n<li class=\"break-words\"><strong>\u6c9f\u901a<\/strong>\uff1a\u4e0e\u5229\u76ca\u76f8\u5173\u8005\u3001\u5f00\u53d1\u4eba\u5458\u548c\u8bbe\u8ba1\u5e08\u5171\u4eab\u7cfb\u7edf\u7684\u53ef\u89c6\u5316\u8868\u793a\u3002<\/li>\n<\/ul>\n<p class=\"break-words\">\u5728\u672c\u4f8b\u4e2d\uff0c\u7c7b\u56fe\u53ef\u7528\u4e8e\uff1a<\/p>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\">\u4e3a\u7535\u5b50\u5546\u52a1\u5e73\u53f0\u8bbe\u8ba1\u6570\u636e\u5e93\u6a21\u5f0f\u3002<\/li>\n<li class=\"break-words\">\u4f7f\u7528\u7f16\u7a0b\u8bed\u8a00\u5b9e\u73b0\u8ba2\u5355\u5904\u7406\u7cfb\u7edf\u3002<\/li>\n<li class=\"break-words\">\u4e0e\u5ba2\u6237\u8ba8\u8bba\u9700\u6c42\uff0c\u4ee5\u786e\u4fdd\u7cfb\u7edf\u652f\u6301\u591a\u79cd\u652f\u4ed8\u65b9\u5f0f\u548c\u8ba2\u5355\u72b6\u6001\u3002<\/li>\n<\/ul>\n<h2><strong>8. \u7c7b\u56fe\u7684\u5c40\u9650\u6027<\/strong><\/h2>\n<p class=\"break-words\">\u5c3d\u7ba1\u529f\u80fd\u5f3a\u5927\uff0c\u7c7b\u56fe\u4ecd\u6709\u4e00\u4e9b\u5c40\u9650\u6027\uff1a<\/p>\n<ul class=\"marker:text-secondary\">\n<li class=\"break-words\"><strong>\u9759\u6001\u7279\u6027<\/strong>\uff1a\u5b83\u4eec\u5c55\u793a\u7ed3\u6784\uff0c\u4f46\u4e0d\u5c55\u793a\u52a8\u6001\u884c\u4e3a\uff08\u4f8b\u5982\uff0c\u8ba2\u5355\u5982\u4f55\u4ece<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u521b\u5efa<\/span>\u5230<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u5df2\u652f\u4ed8<\/span>\uff09\u3002\u5bf9\u4e8e\u884c\u4e3a\uff0c\u5e94\u4f7f\u7528\u5176\u4ed6UML\u56fe\uff0c\u5982\u987a\u5e8f\u56fe\u6216\u72b6\u6001\u56fe\u3002<\/li>\n<li class=\"break-words\"><strong>\u590d\u6742\u6027<\/strong>\uff1a\u5927\u578b\u7cfb\u7edf\u53ef\u80fd\u5bfc\u81f4\u56fe\u8868\u6742\u4e71\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5e94\u5c06\u56fe\u8868\u62c6\u5206\u4e3a\u66f4\u5c0f\u3001\u66f4\u4e13\u6ce8\u7684\u56fe\u8868\u3002<\/li>\n<li class=\"break-words\"><strong>\u6a21\u7cca\u6027<\/strong>\uff1a\u5982\u679c\u6ca1\u6709\u9002\u5f53\u7684\u6587\u6863\uff0c\u5173\u7cfb\u6216\u57fa\u6570\u53ef\u80fd\u4f1a\u88ab\u8bef\u89e3\uff08\u4f8b\u5982\uff0c\u5f53\u5220\u9664<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u8ba2\u5355\u660e\u7ec6<\/span>\u65f6\uff0c\u662f\u5426\u4e5f\u4f1a\u5220\u9664<span class=\"text-sm px-1 rounded-sm !font-mono bg-sunset\/10 text-rust dark:bg-dawn\/10 dark:text-dawn\">\u8ba2\u5355<\/span>\uff1f\uff09<\/li>\n<\/ul>\n<h2>\u63a8\u8350\u7684UML\u5de5\u5177<\/h2>\n<div>\n<p class=\"break-words\">\u6211\u63a8\u8350\u4f7f\u7528Visual Paradigm\u4f5c\u4e3a<a href=\"https:\/\/www.visual-paradigm.com\/features\/uml-tool\/\">\u4e00\u79cd\u9ad8\u5ea6\u6709\u6548\u7684UML\u5efa\u6a21\u5de5\u5177<\/a>\u57fa\u4e8e\u5176\u5f3a\u5927\u7684\u529f\u80fd\u548c\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5c3d\u7ba1\u503c\u5f97\u5bf9\u5176\u662f\u5426\u9002\u5408\u60a8\u7684\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u6279\u5224\u6027\u8bc4\u4f30\u3002<\/p>\n<p class=\"break-words\">Visual Paradigm\u7a81\u51fa\u8868\u73b0\u4e3a\u4e00\u4e2a\u5168\u9762\u7684<a href=\"https:\/\/www.visual-paradigm.com\/features\/uml-tool\/\">UML\u5efa\u6a21\u5de5\u5177<\/a>\uff0c\u652f\u6301\u6700\u65b0\u7684UML 2.x\u56fe\u8868\u548c\u7b26\u53f7\uff0c\u5305\u62ec<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/overview-of-the-14-uml-diagram-types\/\">14\u79cd\u4e0d\u540c\u7684\u56fe\u8868\u7c7b\u578b<\/a>\u4f8b\u5982\u7c7b\u56fe\u3001\u7528\u4f8b\u56fe\u3001\u987a\u5e8f\u56fe\u3001\u6d3b\u52a8\u56fe\u3001\u72b6\u6001\u673a\u56fe\u7b49\u3002\u8fd9\u79cd\u5e7f\u6cdb\u7684\u8986\u76d6\u4f7f\u5176\u80fd\u591f\u7075\u6d3b\u5730\u5efa\u6a21\u8f6f\u4ef6\u7cfb\u7edf\u7684\u5404\u4e2a\u65b9\u9762\uff0c\u4ece\u9759\u6001\u7ed3\u6784\uff08\u5982\u60a8\u63d0\u4f9b\u7684\u793a\u4f8b\u4e2d\u7684\u7c7b\u56fe\uff09\u5230\u52a8\u6001\u884c\u4e3a\uff08\u5982\u987a\u5e8f\u56fe\u6216\u72b6\u6001\u673a\u56fe\uff09\u3002\u8be5\u5de5\u5177\u4e0d\u4ec5\u80fd\u5904\u7406UML\uff0c\u8fd8\u80fd\u652f\u6301\u76f8\u5173\u6807\u51c6\uff0c\u5982<a href=\"https:\/\/www.visual-paradigm.com\/features\/bpmn-diagram-and-tools\/\">BPMN<\/a>, <a href=\"https:\/\/www.visual-paradigm.com\/features\/database-design-with-erd-tools\/\">ERD<\/a>, <a href=\"https:\/\/www.visual-paradigm.com\/guide\/archimate\/what-is-archimate\/\">SysML<\/a>\uff0c\u4ee5\u53ca<a href=\"https:\/\/www.visual-paradigm.com\/guide\/archimate\/what-is-archimate\/\">ArchiMate<\/a>\u4e3a\u9879\u76ee\u5e26\u6765\u4e86\u663e\u8457\u4ef7\u503c\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u9700\u8981\u5728\u4e0d\u540c\u9886\u57df\u8fdb\u884c\u96c6\u6210\u5efa\u6a21\u7684\u9879\u76ee\u3002<\/p>\n<p class=\"break-words\">\u5176\u5173\u952e\u4f18\u52bf\u4e4b\u4e00\u662f\u7528\u6237\u53cb\u597d\u7684\u754c\u9762\u4e0e\u5f3a\u5927\u7684\u529f\u80fd\u76f8\u7ed3\u5408\u3002\u5b83\u63d0\u4f9b\u76f4\u89c2\u7684\u62d6\u653e\u529f\u80fd\u3001\u5185\u8054\u7f16\u8f91\u4ee5\u53ca\u8d44\u6e90\u76ee\u5f55\u4ee5\u5feb\u901f\u521b\u5efa\u56fe\u5f62\uff0c\u4ece\u800c\u7b80\u5316\u6784\u5efa\u60a8\u6240\u5206\u4eab\u7684\u8ba2\u5355\u7ba1\u7406\u7cfb\u7edf\u793a\u4f8b\u8fd9\u7c7b\u56fe\u8868\u7684\u8fc7\u7a0b\u3002\u8be5\u5de5\u5177\u8fd8\u652f\u6301\u9ad8\u7ea7\u529f\u80fd\uff0c\u5982<a href=\"https:\/\/www.visual-paradigm.com\/features\/code-engineering-tools\/\">\u4ee3\u7801\u751f\u6210<\/a>\uff08\u4f8b\u5982Java\u3001C++\u3001Python\uff09\u4ee5\u53ca\u9006\u5411\u5de5\u7a0b\uff08\u4f8b\u5982\u4eceJava\u4ee3\u7801\u751f\u6210\u987a\u5e8f\u56fe\uff09\uff0c\u6709\u52a9\u4e8e\u5f25\u5408\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u4e4b\u95f4\u7684\u5dee\u8ddd\u3002\u8fd9\u79cd\u53cc\u5411\u5de5\u7a0b\u529f\u80fd\u53ef\u786e\u4fdd\u60a8\u7684UML\u6a21\u578b\u4e0e\u4ee3\u7801\u5e93\u4fdd\u6301\u540c\u6b65\uff0c\u8fd9\u5bf9\u4e8e\u654f\u6377\u5f00\u53d1\u73af\u5883\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p class=\"break-words\">\u5728\u534f\u4f5c\u65b9\u9762\uff0cVisual Paradigm\u63d0\u4f9b\u57fa\u4e8e\u4e91\u7684\u9009\u9879\uff0c\u5141\u8bb8\u56e2\u961f\u5728\u4efb\u4f55\u65f6\u95f4\u3001\u4efb\u4f55\u5730\u70b9\u540c\u65f6\u5728\u540c\u4e00\u9879\u76ee\u4e0a\u5de5\u4f5c\uff0c\u5e76\u786e\u4fdd\u5b89\u5168\u8bbf\u95ee\u3002\u8fd9\u5bf9\u4e8e\u5206\u5e03\u5f0f\u56e2\u961f\u6216\u6559\u80b2\u73af\u5883\u5c24\u5176\u6709\u7528\uff0c\u8fd9\u4e00\u70b9\u4ece\u5176\u88ab\u6570\u5343\u6240\u5927\u5b66\u91c7\u7528\u4fbf\u53ef\u770b\u51fa\u3002\u793e\u533a\u7248\u5bf9\u975e\u5546\u4e1a\u7528\u9014\uff08\u5305\u62ec\u6559\u80b2\u548c\u4e2a\u4eba\u9879\u76ee\uff09\u514d\u8d39\uff0c\u4e0d\u9650\u5236\u56fe\u8868\u6216\u5f62\u72b6\u7684\u6570\u91cf\uff0c\u4f46\u8f93\u51fa\u4e2d\u4f1a\u5e26\u6709\u6c34\u5370\u3002\u5bf9\u4e8e\u5546\u4e1a\u7528\u9014\uff0c\u4ed8\u8d39\u7248\u672c\u4ece\u6bcf\u67086\u7f8e\u5143\u8d77\uff0c\u53ef\u89e3\u9501\u66f4\u591a\u529f\u80fd\uff0c\u5982BPMN\u652f\u6301\u548c\u56e2\u961f\u534f\u4f5c\u5de5\u5177\u3002<\/p>\n<p class=\"break-words\">\u7136\u800c\uff0c\u503c\u5f97\u8003\u8651\u4e00\u4e9b\u6f5c\u5728\u7684\u7f3a\u70b9\u3002\u5c3d\u7ba1<a href=\"https:\/\/www.archimetric.com\/introduction-to-uml-diagrams-in-visual-paradigm\/overview-of-the-14-uml-diagram-types\/\">Visual Paradigm<\/a>\u56e0\u5176\u6613\u7528\u6027\u548c\u6807\u51c6\u5408\u89c4\u6027\u800c\u53d7\u5230\u8d5e\u8a89\uff0c\u4f46\u4e00\u4e9b\u7528\u6237\u53ef\u80fd\u4f1a\u53d1\u73b0\uff0c\u7531\u4e8e\u529f\u80fd\u8303\u56f4\u5e7f\u6cdb\uff0c\u5728\u590d\u6742\u7684\u4f01\u4e1a\u7ea7\u9879\u76ee\u4e2d\u5176\u5b66\u4e60\u66f2\u7ebf\u8f83\u9661\u3002\u6b64\u5916\uff0c\u57fa\u4e8e\u7f51\u7edc\u7684\u7248\u672c\u867d\u7136\u65b9\u4fbf\uff0c\u4f46\u5728\u5904\u7406\u6a21\u578b\u8f6c\u6362\u6216\u5927\u578b\u9879\u76ee\u4e2d\u7684\u53ef\u8ffd\u6eaf\u6027\u7b49\u9ad8\u7ea7\u5efa\u6a21\u4efb\u52a1\u65f6\uff0c\u53ef\u80fd\u4e0d\u5982\u684c\u9762\u7248\u672c\u6df1\u5165\u3002\u4e1a\u754c\u666e\u904d\u5f3a\u8c03\u5176\u83b7\u5f97\u7684\u5956\u9879\u4ee5\u53ca\u6765\u81ea\u8d85\u8fc732\u4e07\u540d\u7528\u6237\uff08\u5305\u62ec\u8d22\u5bcc500\u5f3a\u516c\u53f8\uff09\u7684\u4fe1\u4efb\u3002<\/p>\n<p class=\"break-words\">\u603b\u4e4b\uff0cVisual Paradigm\u662f<a href=\"https:\/\/www.visual-paradigm.com\/solution\/freeumltool\/\">\u7ec8\u6781UML\u5efa\u6a21\u5de5\u5177<\/a>\u7684\u6709\u529b\u5019\u9009\u8005\uff0c\u7279\u522b\u662f\u5982\u679c\u60a8\u9700\u8981\u4e00\u4e2a\u529f\u80fd\u4e30\u5bcc\u3001\u7b26\u5408\u6807\u51c6\u4e14\u5177\u5907\u4ee3\u7801\u5de5\u7a0b\u548c\u534f\u4f5c\u80fd\u529b\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5bf9\u4e8e\u60a8\u63d0\u4f9b\u7684\u8ba2\u5355\u7ba1\u7406\u7cfb\u7edf\u793a\u4f8b\uff0c\u5b83\u5728\u5c06\u7c7b\u56fe\u6269\u5c55\u4e3a\u987a\u5e8f\u56fe\u6216\u6d3b\u52a8\u56fe\u4ee5\u5efa\u6a21\u5de5\u4f5c\u6d41\u7a0b\u65b9\u9762\u8868\u73b0\u51fa\u8272\uff0c\u5176<a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/erd-tool\/\">ERD\u652f\u6301<\/a>\u6709\u52a9\u4e8e\u8bbe\u8ba1\u6570\u636e\u5e93\u67b6\u6784\u3002\u6211\u5efa\u8bae\u5c1d\u8bd5\u514d\u8d39\u7684\u793e\u533a\u7248\uff0c\u4ee5\u8bc4\u4f30\u5176\u662f\u5426\u9002\u5408\u60a8\u7684\u9879\u76ee\uff0c\u540c\u65f6\u8003\u8651\u60a8\u5bf9\u53ef\u6269\u5c55\u6027\u3001\u56e2\u961f\u89c4\u6a21\u548c\u96c6\u6210\u9700\u6c42\u7684\u5177\u4f53\u8981\u6c42\u3002<\/p>\n<\/div>\n<h2><strong>9. \u7ed3\u8bba<\/strong><\/h2>\n<p class=\"break-words\">\u4e00\u4e2a <a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/class-diagram-software\/\">\u7c7b\u56fe<\/a>\u662f\u8bbe\u8ba1\u548c\u7406\u89e3\u7cfb\u7edf\u7ed3\u6784\u7684\u91cd\u8981\u5de5\u5177\u3002\u8ba2\u5355\u7ba1\u7406\u7cfb\u7edf\u793a\u4f8b\u5c55\u793a\u4e86\u7c7b\u3001\u5c5e\u6027\u3001\u65b9\u6cd5\u3001\u5173\u7cfb\uff08\u5173\u8054\u3001\u805a\u5408\u3001\u7ee7\u627f\uff09\u4ee5\u53ca\u679a\u4e3e\u7b49\u5173\u952e\u6982\u5ff5\u3002\u901a\u8fc7\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\u2014\u2014\u4fdd\u6301\u56fe\u8868\u7b80\u6d01\u3001\u4f7f\u7528\u6b63\u786e\u7684\u7b26\u53f7\uff0c\u5e76\u4e0e\u9700\u6c42\u8fdb\u884c\u9a8c\u8bc1\uff0c\u4f60\u53ef\u4ee5\u521b\u5efa\u51fa\u6709\u6548\u7684\u7c7b\u56fe\uff0c\u4e3a\u5b9e\u73b0\u63d0\u4f9b\u57fa\u7840\u3002<\/p>\n<p class=\"break-words\">\u8be5\u793a\u4f8b\u56fe\u8868\u4e3a\u8ba2\u5355\u7ba1\u7406\u7cfb\u7edf\u63d0\u4f9b\u4e86\u6e05\u6670\u7684\u84dd\u56fe\uff0c\u5c55\u793a\u4e86\u5ba2\u6237\u5982\u4f55\u4e0b\u5355\uff0c\u8ba2\u5355\u5982\u4f55\u5206\u89e3\u4e3a\u660e\u7ec6\u9879\uff0c\u4ee5\u53ca\u5982\u4f55\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5904\u7406\u4ed8\u6b3e\u3002\u5c06\u6b64\u56fe\u8868\u8f6c\u6362\u4e3a\u4ee3\u7801\uff08\u5982\u6240\u793a\uff09\u51f8\u663e\u4e86\u5176\u5728\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u7684\u5b9e\u9645\u7528\u9014\u3002<\/p>\n<p class=\"break-words\">\u65e0\u8bba\u4f60\u662f\u5728\u8bbe\u8ba1\u5c0f\u578b\u5e94\u7528\u7a0b\u5e8f\u8fd8\u662f\u590d\u6742\u7684\u4f01\u4e8b\u4e1a\u7cfb\u7edf\uff0c\u638c\u63e1\u7c7b\u56fe\u90fd\u5c06\u5e2e\u52a9\u4f60\u521b\u5efa\u7ed3\u6784\u826f\u597d\u3001\u6613\u4e8e\u7ef4\u62a4\u4e14\u53ef\u6269\u5c55\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5982\u679c\u4f60\u6709\u66f4\u591a\u56fe\u8868\u6216\u7279\u5b9a\u573a\u666f\u9700\u8981\u63a2\u8ba8\uff0c\u6b22\u8fce\u968f\u65f6\u63d0\u95ee\uff01<\/p>\n<p>\u00a0<\/p>\n<\/div>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u4e2a 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