{"id":389,"date":"2026-04-04T14:25:26","date_gmt":"2026-04-04T14:25:26","guid":{"rendered":"https:\/\/www.go-notes.com\/cn\/ecommerce-system-uml-class-diagrams-guide\/"},"modified":"2026-04-04T14:25:26","modified_gmt":"2026-04-04T14:25:26","slug":"ecommerce-system-uml-class-diagrams-guide","status":"publish","type":"post","link":"https:\/\/www.go-notes.com\/cn\/ecommerce-system-uml-class-diagrams-guide\/","title":{"rendered":"\u73b0\u5b9e\u6848\u4f8b\u7814\u7a76\uff1a\u4f7f\u7528 UML \u7c7b\u56fe\u5bf9\u7535\u5b50\u5546\u52a1\u7cfb\u7edf\u8fdb\u884c\u5efa\u6a21"},"content":{"rendered":"<p>\u6784\u5efa\u4e00\u4e2a\u7a33\u5065\u7684\u7535\u5b50\u5546\u52a1\u5e73\u53f0\u4e0d\u4ec5\u9700\u8981\u7f16\u5199\u4ee3\u7801\uff0c\u66f4\u9700\u8981\u6e05\u6670\u7684\u67b6\u6784\u84dd\u56fe\u3002\u5982\u679c\u6ca1\u6709\u575a\u5b9e\u7684\u57fa\u7840\uff0c\u7cfb\u7edf\u5c31\u4f1a\u53d8\u5f97\u8106\u5f31\u4e14\u96be\u4ee5\u6269\u5c55\u3002\u672c\u6307\u5357\u63a2\u8ba8\u4e86\u7edf\u4e00\u5efa\u6a21\u8bed\u8a00\uff08UML\uff09\u7c7b\u56fe\u5728\u8bbe\u8ba1\u7efc\u5408\u6027\u7535\u5b50\u5546\u52a1\u7cfb\u7edf\u4e2d\u7684\u5b9e\u9645\u5e94\u7528\u3002\u6211\u4eec\u5c06\u8d85\u8d8a\u7406\u8bba\uff0c\u6df1\u5165\u63a2\u8ba8\u5b9a\u4e49\u73b0\u4ee3\u5728\u7ebf\u96f6\u552e\u67b6\u6784\u7684\u5177\u4f53\u5b9e\u4f53\u3001\u5173\u7cfb\u548c\u7ea6\u675f\u6761\u4ef6\u3002<\/p>\n<p>UML \u7c7b\u56fe\u662f\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u7684\u6838\u5fc3\u652f\u67f1\u3002\u5b83\u4eec\u901a\u8fc7\u5c55\u793a\u7c7b\u3001\u7c7b\u7684\u5c5e\u6027\u3001\u64cd\u4f5c\u4ee5\u53ca\u5bf9\u8c61\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u5c06\u7cfb\u7edf\u7684\u9759\u6001\u7ed3\u6784\u53ef\u89c6\u5316\u3002\u5728\u6b64\u80cc\u666f\u4e0b\uff0c\u6211\u4eec\u5206\u6790\u5982\u4f55\u5c06\u4e1a\u52a1\u9700\u6c42\u8f6c\u5316\u4e3a\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u7cbe\u786e\u5b9e\u73b0\u7684\u6280\u672f\u67b6\u6784\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"\u70ad\u7b14\u8349\u56fe\u4fe1\u606f\u56fe\uff0c\u5c55\u793a\u7535\u5b50\u5546\u52a1\u7cfb\u7edf\u7684UML\u7c7b\u56fe\u5efa\u6a21\uff0c\u5305\u542b\u6838\u5fc3\u7c7b\uff08\u7528\u6237\u3001\u4ea7\u54c1\u3001\u8ba2\u5355\u3001\u652f\u4ed8\uff09\u53ca\u5176\u5c5e\u6027\u548c\u64cd\u4f5c\uff0c\u5173\u7cfb\u7b26\u53f7\uff08\u5173\u8054\u3001\u805a\u5408\u3001\u7ec4\u5408\u3001\u7ee7\u627f\uff09\uff0c\u591a\u91cd\u6027\u7ea6\u675f\uff0c\u4e1a\u52a1\u89c4\u5219\uff08\u5982\u5e93\u5b58\u9a8c\u8bc1\uff09\uff0cSOLID\u8bbe\u8ba1\u539f\u5219\uff0c\u4ee5\u53ca\u4ece\u7c7b\u56fe\u5230\u6570\u636e\u5e93\u6a21\u5f0f\u548cAPI\u7aef\u70b9\u7684\u5b9e\u65bd\u5de5\u4f5c\u6d41\u3002\" decoding=\"async\" src=\"https:\/\/www.go-notes.com\/wp-content\/uploads\/2026\/04\/uml-ecommerce-class-diagram-infographic-charcoal-sketch.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83c\udfd7\ufe0f \u7406\u89e3\u9886\u57df\uff1a\u7535\u5b50\u5546\u52a1\u9700\u6c42<\/h2>\n<p>\u5728\u7ed8\u5236\u4efb\u4f55\u6846\u56fe\u4e4b\u524d\uff0c\u5fc5\u987b\u9996\u5148\u7406\u89e3\u4e1a\u52a1\u9886\u57df\u3002\u7535\u5b50\u5546\u52a1\u7cfb\u7edf\u4e4b\u6240\u4ee5\u590d\u6742\uff0c\u662f\u56e0\u4e3a\u5b83\u9700\u8981\u540c\u65f6\u7ba1\u7406\u5e93\u5b58\u3001\u5ba2\u6237\u6570\u636e\u3001\u4ea4\u6613\u548c\u7269\u6d41\u3002\u76ee\u6807\u662f\u521b\u5efa\u4e00\u4e2a\u80fd\u591f\u652f\u6301\u8fd9\u4e9b\u529f\u80fd\u4e14\u65e0\u5197\u4f59\u7684\u6a21\u578b\u3002<\/p>\n<ul>\n<li><strong>\u5ba2\u6237\u7ba1\u7406\uff1a<\/strong>\u5904\u7406\u7528\u6237\u8d26\u6237\u3001\u8eab\u4efd\u9a8c\u8bc1\u548c\u914d\u7f6e\u6587\u4ef6\u6570\u636e\u3002<\/li>\n<li><strong>\u4ea7\u54c1\u76ee\u5f55\uff1a<\/strong>\u7ba1\u7406\u5546\u54c1\u3001\u7c7b\u522b\u3001\u4ef7\u683c\u548c\u5e93\u5b58\u6c34\u5e73\u3002<\/li>\n<li><strong>\u8ba2\u5355\u5904\u7406\uff1a<\/strong>\u8ddf\u8e2a\u8d2d\u7269\u8f66\u72b6\u6001\u3001\u8ba2\u5355\u4e0b\u5355\u548c\u5c65\u884c\u60c5\u51b5\u3002<\/li>\n<li><strong>\u652f\u4ed8\u5904\u7406\uff1a<\/strong>\u96c6\u6210\u5b89\u5168\u7684\u4ea4\u6613\u5904\u7406\u3002<\/li>\n<li><strong>\u8fd0\u8f93\u4e0e\u7269\u6d41\uff1a<\/strong>\u7ba1\u7406\u914d\u9001\u5730\u5740\u548c\u7269\u6d41\u8ffd\u8e2a\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u529f\u80fd\u533a\u57df\u4e2d\u7684\u6bcf\u4e00\u4e2a\u90fd\u76f4\u63a5\u5bf9\u5e94\u4e8e\u56fe\u4e2d\u7684\u7279\u5b9a\u7c7b\u3002\u901a\u8fc7\u5206\u89e3\u9886\u57df\uff0c\u6211\u4eec\u786e\u4fdd\u751f\u6210\u7684\u6a21\u578b\u5177\u6709\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002<\/p>\n<h2>\ud83d\udcd0 \u7c7b\u56fe\u7684\u6838\u5fc3\u5143\u7d20<\/h2>\n<p>\u7c7b\u56fe\u7531\u7c7b\u6846\u5185\u7684\u4e09\u4e2a\u4e3b\u8981\u90e8\u5206\u7ec4\u6210\uff1a\u7c7b\u540d\u3001\u5c5e\u6027\u548c\u64cd\u4f5c\uff08\u65b9\u6cd5\uff09\u3002\u6bcf\u4e2a\u90e8\u5206\u5728\u5b9a\u4e49\u5bf9\u8c61\u7684\u884c\u4e3a\u548c\u72b6\u6001\u65b9\u9762\u90fd\u53d1\u6325\u7740\u72ec\u7279\u7684\u4f5c\u7528\u3002<\/p>\n<h3>1. \u7c7b\u540d<\/h3>\n<p>\u7c7b\u540d\u5e94\u4e3a\u4ee3\u8868\u73b0\u5b9e\u4e16\u754c\u5b9e\u4f53\u7684\u540d\u8bcd\u3002\u5b83\u4eec\u5fc5\u987b\u5927\u5199\uff08\u4f8b\u5982\uff1a&#8221;<code>\u7528\u6237<\/code>, <code>\u5546\u54c1<\/code>\uff09\u3002\u547d\u540d\u7ea6\u5b9a\u7684\u4e00\u81f4\u6027\u6709\u52a9\u4e8e\u5f00\u53d1\u4eba\u5458\u65e5\u540e\u6d4f\u89c8\u4ee3\u7801\u5e93\u3002<\/p>\n<h3>2. \u5c5e\u6027<\/h3>\n<p>\u5c5e\u6027\u5b9a\u4e49\u4e86\u5bf9\u8c61\u6240\u6301\u6709\u7684\u6570\u636e\u3002\u5728\u7535\u5b50\u5546\u52a1\u7cfb\u7edf\u7684\u80cc\u666f\u4e0b\uff0c\u8fd9\u4e9b\u901a\u5e38\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u4e3b\u952e\uff1a<\/strong>\u552f\u4e00\u6807\u8bc6\u7b26\uff0c\u4f8b\u5982 &#8220;<code>userId<\/code>\u6216 &#8220;<code>productId<\/code>.<\/li>\n<li><strong>\u6570\u636e\u7c7b\u578b\uff1a<\/strong>\u540d\u79f0\u4f7f\u7528\u5b57\u7b26\u4e32\uff0c\u6570\u91cf\u4f7f\u7528\u6574\u6570\uff0c\u65f6\u95f4\u6233\u4f7f\u7528\u65e5\u671f\u3002<\/li>\n<li><strong>\u53ef\u89c1\u6027\uff1a<\/strong>\u516c\u5171\uff08+\uff09\u3001\u53d7\u4fdd\u62a4\uff08#\uff09\u6216\u79c1\u6709\uff08-\uff09\u8bbf\u95ee\u4fee\u9970\u7b26\u3002<\/li>\n<\/ul>\n<h3>3. \u64cd\u4f5c<\/h3>\n<p>\u64cd\u4f5c\u8868\u793a\u5bf9\u8c61\u53ef\u4ee5\u6267\u884c\u7684\u52a8\u4f5c\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a<code>\u5ba2\u6237<\/code>\u7c7b\u53ef\u80fd\u5305\u542b\u4e00\u4e2a\u540d\u4e3a<code>addToCart()<\/code>\u6216<code>placeOrder()<\/code>\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5c01\u88c5\u4e86\u64cd\u4f5c\u5bf9\u8c61\u72b6\u6001\u6240\u9700\u7684\u903b\u8f91\u3002<\/p>\n<h2>\ud83d\udd17 \u5b9a\u4e49\u7c7b\u4e4b\u95f4\u7684\u5173\u7cfb<\/h2>\n<p>\u7c7b\u56fe\u7684\u529b\u91cf\u5728\u4e8e\u7c7b\u4e4b\u95f4\u7684\u4ea4\u4e92\u65b9\u5f0f\u3002\u5173\u7cfb\u5b9a\u4e49\u4e86\u5bf9\u8c61\u5982\u4f55\u901a\u4fe1\u548c\u76f8\u4e92\u4f9d\u8d56\u3002\u4e0b\u8868\u6982\u8ff0\u4e86\u7535\u5b50\u5546\u52a1\u5efa\u6a21\u4e2d\u6700\u5e38\u7528\u7684\u5173\u7cfb\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5173\u7cfb\u7c7b\u578b<\/th>\n<th>\u63cf\u8ff0<\/th>\n<th>\u89c6\u89c9\u7b26\u53f7<\/th>\n<th>\u7535\u5b50\u5546\u52a1\u793a\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5173\u8054<\/td>\n<td>\u4e00\u79cd\u5bf9\u8c61\u76f8\u4e92\u94fe\u63a5\u7684\u7ed3\u6784\u5173\u7cfb\u3002<\/td>\n<td>\u76f4\u7ebf<\/td>\n<td>\u5ba2\u6237\u4e0b\u8ba2\u5355\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u805a\u5408<\/td>\n<td>\u4e00\u79cd\u201c\u6574\u4f53 &#8211; \u90e8\u5206\u201d\u5173\u7cfb\uff0c\u5176\u4e2d\u90e8\u5206\u53ef\u4ee5\u72ec\u7acb\u5b58\u5728\u3002<\/td>\n<td>\u7a7a\u5fc3\u83f1\u5f62<\/td>\n<td>\u5546\u5e97\u5305\u542b\u5546\u54c1\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u7ec4\u5408<\/td>\n<td>\u4e00\u79cd\u4e25\u683c\u7684\u201c\u6574\u4f53 &#8211; \u90e8\u5206\u201d\u5173\u7cfb\uff0c\u5176\u4e2d\u90e8\u5206\u4e0d\u80fd\u8131\u79bb\u6574\u4f53\u800c\u72ec\u7acb\u5b58\u5728\u3002<\/td>\n<td>\u5b9e\u5fc3\u83f1\u5f62<\/td>\n<td>\u8ba2\u5355\u7531\u8ba2\u5355\u9879\u7ec4\u6210\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u7ee7\u627f<\/td>\n<td>\u5b50\u7c7b\u4ece\u7236\u7c7b\u7ee7\u627f\u7684\u6cdb\u5316\u5173\u7cfb\u3002<\/td>\n<td>\u5e26\u7a7a\u5fc3\u4e09\u89d2\u5f62\u7684\u7bad\u5934<\/td>\n<td>\u652f\u4ed8\u65b9\u5f0f\u7ee7\u627f\u81ea\u652f\u4ed8\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83d\udce6 \u8be6\u7ec6\u7684\u7c7b\u5206\u89e3<\/h2>\n<p>\u8ba9\u6211\u4eec\u68c0\u67e5\u6807\u51c6\u4ea4\u6613\u6d41\u7a0b\u6240\u9700\u7684\u5177\u4f53\u7c7b\u3002\u672c\u8282\u8be6\u7ec6\u8bf4\u660e\u6838\u5fc3\u5b9e\u4f53\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002<\/p>\n<h3>\u7528\u6237\u7c7b<\/h3>\n<p>\u8be5<code>\u7528\u6237<\/code>\u7c7b\u4ee3\u8868\u4e0e\u5e73\u53f0\u4ea4\u4e92\u7684\u53c2\u4e0e\u8005\u3002\u5b83\u662f\u5927\u591a\u6570\u4ea4\u4e92\u7684\u5165\u53e3\u70b9\u3002<\/p>\n<ul>\n<li><strong>\u5c5e\u6027\uff1a<\/strong> <code>id<\/code>, <code>\u7535\u5b50\u90ae\u4ef6<\/code>, <code>\u5bc6\u7801\u54c8\u5e0c<\/code>, <code>\u89d2\u8272<\/code>\uff08\u7ba1\u7406\u5458\u3001\u5ba2\u6237\uff09\u3002<\/li>\n<li><strong>\u64cd\u4f5c\uff1a<\/strong> <code>register()<\/code>, <code>login()<\/code>, <code>updateProfile()<\/code>.<\/li>\n<li><strong>\u5173\u7cfb\uff1a<\/strong>\u805a\u5408\u591a\u4e2a<code>\u5730\u5740<\/code>\u5bf9\u8c61\uff1b\u4e0e\u591a\u4e2a<code>\u8ba2\u5355<\/code>\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<h3>\u4ea7\u54c1\u7c7b<\/h3>\n<p>\u4ea7\u54c1\u662f\u53ef\u4f9b\u9500\u552e\u7684\u5e93\u5b58\u7269\u54c1\u3002\u6b64\u7c7b\u5fc5\u987b\u5904\u7406\u53d8\u4f53\u548c\u5e93\u5b58\u8ddf\u8e2a\u3002<\/p>\n<ul>\n<li><strong>\u5c5e\u6027\uff1a<\/strong> <code>sku<\/code>, <code>\u540d\u79f0<\/code>, <code>\u4ef7\u683c<\/code>, <code>\u5e93\u5b58\u6570\u91cf<\/code>, <code>\u7c7b\u522b<\/code>.<\/li>\n<li><strong>\u64cd\u4f5c\uff1a<\/strong> <code>updatePrice()<\/code>, <code>checkStock()<\/code>, <code>search()<\/code>.<\/li>\n<li><strong>\u5173\u7cfb\uff1a<\/strong>\u5c5e\u4e8e\u4e00\u4e2a<code>\u7c7b\u522b<\/code>\uff1b\u5305\u542b\u5728\u591a\u4e2a<code>\u8ba2\u5355\u9879<\/code>\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<h3>\u8ba2\u5355\u7c7b<\/h3>\n<p>\u8ba2\u5355\u4ee3\u8868\u5546\u4e1a\u4ea4\u6613\u3002\u8fd9\u662f\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u7684\u6700\u5173\u952e\u7c7b\u3002<\/p>\n<ul>\n<li><strong>\u5c5e\u6027\uff1a<\/strong> <code>orderId<\/code>, <code>orderDate<\/code>, <code>status<\/code>\uff08\u5f85\u5904\u7406\u3001\u5df2\u53d1\u8d27\uff09\uff0c<code>totalAmount<\/code>.<\/li>\n<li><strong>\u64cd\u4f5c\uff1a<\/strong> <code>calculateTotal()<\/code>, <code>cancel()<\/code>, <code>generateInvoice()<\/code>.<\/li>\n<li><strong>\u5173\u7cfb\uff1a<\/strong>\u7531\u591a\u4e2a<code>OrderItem<\/code>\u5bf9\u8c61\uff1b\u4e0e\u4e00\u4e2a<code>User<\/code>\u548c\u4e00\u4e2a<code>Payment<\/code>\u8bb0\u5f55\u5173\u8054\u3002<\/li>\n<\/ul>\n<h3>\u652f\u4ed8\u7c7b<\/h3>\n<p>\u5904\u7406\u8d44\u91d1\u9700\u8981\u4e25\u683c\u7684\u5efa\u6a21\u4ee5\u786e\u4fdd\u5b89\u5168\u6027\u548c\u51c6\u786e\u6027\u3002<\/p>\n<ul>\n<li><strong>\u5c5e\u6027\uff1a<\/strong> <code>transactionId<\/code>, <code>\u65b9\u6cd5<\/code>, <code>\u91d1\u989d<\/code>, <code>\u65f6\u95f4\u6233<\/code>.<\/li>\n<li><strong>\u64cd\u4f5c\uff1a<\/strong> <code>authorize()<\/code>, <code>capture()<\/code>, <code>refund()<\/code>.<\/li>\n<li><strong>\u5173\u7cfb\uff1a<\/strong> \u4e0e&#8230;\u5173\u8054 <code>\u8ba2\u5355<\/code>.<\/li>\n<\/ul>\n<h2>\ud83d\udcca \u5efa\u6a21\u7279\u5b9a\u7ea6\u675f\u548c\u89c4\u5219<\/h2>\n<p>\u7c7b\u56fe\u4e0d\u4ec5\u4ec5\u662f\u5173\u4e8e\u65b9\u6846\u548c\u7ebf\u6761\uff1b\u5b83\u5173\u4e4e\u6267\u884c\u4e1a\u52a1\u89c4\u5219\u3002\u7ea6\u675f\u786e\u4fdd\u6570\u636e\u5728\u6574\u4e2a\u7cfb\u7edf\u751f\u547d\u5468\u671f\u4e2d\u4fdd\u6301\u6709\u6548\u3002<\/p>\n<h3>\u591a\u91cd\u6027\u548c\u57fa\u6570<\/h3>\n<p>\u591a\u91cd\u6027\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7c7b\u7684\u591a\u5c11\u4e2a\u5b9e\u4f8b\u4e0e\u53e6\u4e00\u4e2a\u7c7b\u76f8\u5173\u8054\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u4e00\u5bf9\u4e00\u591a\uff1a<\/strong> \u4e00\u4e2a <code>\u7528\u6237<\/code> \u53ef\u4ee5\u4e0b\u5f88\u591a <code>\u8ba2\u5355<\/code>\uff081..*\uff09\u3002\u8fd9\u662f\u4e00\u4e2a\u6807\u51c6\u5173\u8054\u3002<\/li>\n<li><strong>\u4e00\u5bf9\u4e00\uff1a<\/strong> \u4e00\u4e2a <code>\u7528\u6237<\/code> \u62e5\u6709\u4e00\u4e2a <code>\u4e2a\u4eba\u8d44\u6599<\/code> (1..1)\u3002\u8fd9\u786e\u4fdd\u4e86\u6bcf\u4e2a\u8d26\u6237\u53ea\u6709\u4e00\u4e2a\u8eab\u4efd\u3002<\/li>\n<li><strong>\u96f6\u5230\u591a\uff1a<\/strong> \u4e00\u4e2a <code>\u7c7b\u522b<\/code> \u53ef\u4ee5\u5305\u542b\u96f6\u4e2a\u6216\u591a\u4e2a <code>\u5546\u54c1<\/code> (0..*)\u3002\u8fd9\u5141\u8bb8\u5728\u8bbe\u7f6e\u671f\u95f4\u5b58\u5728\u7a7a\u7c7b\u522b\u3002<\/li>\n<\/ul>\n<h3>\u7ea6\u675f\u4f5c\u4e3a\u6ce8\u91ca<\/h3>\n<p>\u4f7f\u7528\u6ce8\u91ca\u6216\u5b88\u536b\u6761\u4ef6\u6765\u6307\u5b9a\u65e0\u6cd5\u4ec5\u901a\u8fc7\u7ebf\u6761\u8868\u8fbe\u7684\u903b\u8f91\u3002<\/p>\n<ul>\n<li><strong>\u5e93\u5b58\u7ea6\u675f\uff1a<\/strong> <code>stockQuantity &gt; 0<\/code> \u624d\u80fd\u4e0b\u8ba2\u5355\u3002<\/li>\n<li><strong>\u4ef7\u683c\u7ea6\u675f\uff1a<\/strong> <code>price &gt; 0<\/code> \u9002\u7528\u4e8e\u6240\u6709\u6d3b\u8dc3\u5546\u54c1\u3002<\/li>\n<li><strong>\u72b6\u6001\u7ea6\u675f\uff1a<\/strong> \u4e00\u65e6\u8ba2\u5355\u72b6\u6001\u53d8\u4e3a <code>\u5df2\u53d1\u8d27<\/code>.<\/li>\n<\/ul>\n<h2>\ud83e\udde9 \u5904\u7406\u7ee7\u627f\u4e0e\u591a\u6001<\/h2>\n<p>\u7ee7\u627f\u652f\u6301\u4ee3\u7801\u590d\u7528\u548c\u903b\u8f91\u5206\u7ec4\u3002\u5728\u7535\u5b50\u5546\u52a1\u4e2d\uff0c\u4e0d\u540c\u7c7b\u578b\u7684\u5546\u54c1\u6216\u652f\u4ed8\u65b9\u5f0f\u901a\u5e38\u5171\u4eab\u901a\u7528\u5c5e\u6027\uff0c\u4f46\u9700\u8981\u7279\u5b9a\u7684\u884c\u4e3a\u3002<\/p>\n<h3>\u5546\u54c1\u53d8\u4f53<\/h3>\n<p>\u4e0d\u8981\u91cd\u590d\u5c5e\u6027\uff0c\u800c\u662f\u521b\u5efa\u4e00\u4e2a\u8d85\u7c7b <code>\u5546\u54c1<\/code> \u4ee5\u53ca\u5b50\u7c7b\uff0c\u4f8b\u5982 <code>\u7535\u5b50\u4ea7\u54c1<\/code> \u6216 <code>\u670d\u88c5<\/code>.<\/p>\n<ul>\n<li><strong>\u8d85\u7c7b\uff1a<\/strong> <code>\u4ea7\u54c1<\/code>\uff08\u540d\u79f0\u3001\u4ef7\u683c\u3001SKU\uff09\u3002<\/li>\n<li><strong>\u5b50\u7c7b\uff1a<\/strong> <code>\u7535\u5b50\u4ea7\u54c1<\/code>\uff08\u4fdd\u4fee\u671f\u3001\u7535\u538b\uff09\u3002<\/li>\n<li><strong>\u5b50\u7c7b\uff1a<\/strong> <code>\u670d\u88c5<\/code>\uff08\u5c3a\u5bf8\u3001\u989c\u8272\u3001\u6750\u8d28\uff09\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u79cd\u7ed3\u6784\u786e\u4fdd\u901a\u7528\u903b\u8f91\u4f4d\u4e8e\u7236\u7c7b\u4e2d\uff0c\u800c\u7279\u5b9a\u903b\u8f91\u4fdd\u7559\u5728\u5b50\u7c7b\u4e2d\u3002<\/p>\n<h3>\u652f\u4ed8\u65b9\u5f0f<\/h3>\n<p>\u652f\u4ed8\u65b9\u5f0f\u5dee\u5f02\u663e\u8457\u3002\u7edf\u4e00\u7684\u63a5\u53e3\u53ef\u7b80\u5316\u8ba2\u5355\u5904\u7406\u903b\u8f91\u3002<\/p>\n<ul>\n<li><strong>\u8d85\u7c7b\uff1a<\/strong> <code>\u652f\u4ed8<\/code>\uff08\u91d1\u989d\u3001\u4ea4\u6613ID\uff09\u3002<\/li>\n<li><strong>\u5b50\u7c7b\uff1a<\/strong> <code>\u4fe1\u7528\u5361\u652f\u4ed8<\/code>\uff08\u5361\u53f7\u3001\u6709\u6548\u671f\uff09\u3002<\/li>\n<li><strong>\u5b50\u7c7b\uff1a<\/strong> <code>\u52a0\u5bc6\u8d27\u5e01\u652f\u4ed8<\/code>\uff08\u94b1\u5305\u5730\u5740\u3001\u54c8\u5e0c\u503c\uff09\u3002<\/li>\n<\/ul>\n<p>\u5f53\u7cfb\u7edf\u5904\u7406\u652f\u4ed8\u65f6\uff0c\u5b83\u4f1a\u8c03\u7528<code>authorize()<\/code>\u65b9\u6cd5\uff0c\u4f5c\u7528\u4e8e\u901a\u7528\u7684<code>\u652f\u4ed8<\/code>\u5bf9\u8c61\u3002\u591a\u6001\u5728\u5185\u90e8\u5904\u7406\u6bcf\u79cd\u7c7b\u578b\u7684\u7279\u5b9a\u903b\u8f91\u3002<\/p>\n<h2>\ud83d\udee0\ufe0f \u7ef4\u62a4\u4e0e\u6f14\u8fdb\u7684\u5b9e\u8df5\u51c6\u5219<\/h2>\n<p>\u8f6f\u4ef6\u6c38\u8fdc\u4e0d\u4f1a\u9759\u6b62\u4e0d\u53d8\u3002\u9700\u6c42\u4f1a\u53d1\u751f\u53d8\u5316\uff0c\u6a21\u578b\u5fc5\u987b\u5728\u4e0d\u65ad\u88c2\u73b0\u6709\u529f\u80fd\u7684\u524d\u63d0\u4e0b\u6f14\u8fdb\u3002\u9075\u5faa\u7279\u5b9a\u7684\u8bbe\u8ba1\u539f\u5219\u6709\u52a9\u4e8e\u5728\u957f\u671f\u5185\u4fdd\u6301\u7c7b\u56fe\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<h3>SOLID \u539f\u5219<\/h3>\n<p>\u5e94\u7528 SOLID \u539f\u5219\u53ef\u786e\u4fdd\u7cfb\u7edf\u4fdd\u6301\u7075\u6d3b\u6027\u3002<\/p>\n<ul>\n<li><strong>\u5355\u4e00\u804c\u8d23\uff1a<\/strong> <code>\u8ba2\u5355<\/code>\u7c7b\u5e94\u7ba1\u7406\u8ba2\u5355\u72b6\u6001\uff0c\u800c\u975e\u5904\u7406\u7535\u5b50\u90ae\u4ef6\u901a\u77e5\u3002\u901a\u4fe1\u529f\u80fd\u5e94\u7531\u72ec\u7acb\u7684\u7c7b\u5904\u7406\u3002<\/li>\n<li><strong>\u5f00\u95ed\u539f\u5219\uff1a<\/strong>\u7cfb\u7edf\u5e94\u5bf9\u6269\u5c55\u5f00\u653e\uff08\u652f\u6301\u65b0\u7684\u652f\u4ed8\u65b9\u5f0f\uff09\uff0c\u4f46\u5bf9\u4fee\u6539\u5c01\u95ed\uff08\u73b0\u6709\u8ba2\u5355\u903b\u8f91\u4e0d\u5e94\u88ab\u4fee\u6539\uff09\u3002<\/li>\n<li><strong>\u91cc\u6c0f\u66ff\u6362\u539f\u5219\uff1a<\/strong>\u5b50\u7c7b\u5982 <code>\u4fe1\u7528\u5361\u652f\u4ed8<\/code>\u5e94\u5728\u4efb\u4f55\u9700\u8981 <code>\u652f\u4ed8<\/code>\u7684\u5730\u65b9\u90fd\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002<\/li>\n<li><strong>\u63a5\u53e3\u9694\u79bb\u539f\u5219\uff1a<\/strong>\u7528\u6237\u4e0d\u5e94\u4f9d\u8d56\u5176\u672a\u4f7f\u7528\u7684\u65b9\u6cd5\u3002\u5e94\u5c06\u5927\u578b\u63a5\u53e3\u62c6\u5206\u4e3a\u66f4\u5c0f\u3001\u66f4\u5177\u4f53\u7684\u63a5\u53e3\u3002<\/li>\n<li><strong>\u4f9d\u8d56\u5012\u7f6e\u539f\u5219\uff1a<\/strong>\u9ad8\u5c42\u6a21\u5757\uff08\u8ba2\u5355\uff09\u5e94\u4f9d\u8d56\u62bd\u8c61\uff08\u652f\u4ed8\u7f51\u5173\uff09\uff0c\u800c\u975e\u5177\u4f53\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n<h3>\u7248\u672c\u63a7\u5236\u4e0e\u6587\u6863<\/h3>\n<p>\u968f\u7740\u56fe\u8868\u7684\u6f14\u8fdb\uff0c\u8bf7\u4fdd\u7559\u53d8\u66f4\u5386\u53f2\u3002\u8bb0\u5f55\u9009\u62e9\u7279\u5b9a\u5173\u7cfb\u7684\u539f\u56e0\u3002\u4f8b\u5982\uff0c\u5982\u679c <code>\u8ba2\u5355\u9879<\/code>\u662f <code>\u8ba2\u5355<\/code>\u7684\u7ec4\u5408\uff0c\u8bf7\u6ce8\u610f\u8fd9\u80fd\u786e\u4fdd\u5728\u53d6\u6d88\u64cd\u4f5c\u65f6\u7684\u6570\u636e\u5b8c\u6574\u6027\u3002<\/p>\n<h2>\u26a0\ufe0f \u9700\u907f\u514d\u7684\u5e38\u89c1\u9677\u9631<\/h2>\n<p>\u5373\u4f7f\u662f\u7ecf\u9a8c\u4e30\u5bcc\u7684\u8bbe\u8ba1\u5e08\u4e5f\u4f1a\u72af\u9519\u3002\u5c3d\u65e9\u8bc6\u522b\u8fd9\u4e9b\u6a21\u5f0f\u53ef\u5927\u5e45\u51cf\u5c11\u540e\u671f\u91cd\u6784\u7684\u5de5\u4f5c\u91cf\u3002<\/p>\n<ul>\n<li><strong>\u4e0a\u5e1d\u7c7b\uff1a<\/strong>\u907f\u514d\u521b\u5efa\u65e0\u6240\u4e0d\u77e5\u7684\u7c7b\u3002\u5982\u679c\u4e00\u4e2a\u7c7b\u62e5\u6709 50 \u4e2a\u4ee5\u4e0a\u7684\u5c5e\u6027\uff0c\u5b83\u5f88\u53ef\u80fd\u8fdd\u53cd\u4e86\u5355\u4e00\u804c\u8d23\u539f\u5219\u3002<\/li>\n<li><strong>\u6df1\u5c42\u7ee7\u627f\u6811\uff1a<\/strong>\u7ee7\u627f\u5e94\u5c3d\u53ef\u80fd\u6d45\u3002\u5982\u679c\u60a8\u62e5\u6709\u4e94\u5c42\u5b50\u7c7b\uff0c\u8bf7\u8003\u8651\u6539\u7528\u7ec4\u5408\u3002<\/li>\n<li><strong>\u7f3a\u5931\u591a\u91cd\u6027\uff1a<\/strong>\u59cb\u7ec8\u660e\u786e\u5b9a\u4e49\u53c2\u4e0e\u5173\u7cfb\u7684\u5bf9\u8c61\u6570\u91cf\u3002\u6b67\u4e49\u4f1a\u5bfc\u81f4\u6570\u636e\u5e93\u9519\u8bef\u3002<\/li>\n<li><strong>\u5faa\u73af\u4f9d\u8d56\uff1a<\/strong>\u5982\u679c\u7c7b B \u4f9d\u8d56\u4e8e\u7c7b A\uff0c\u5219\u786e\u4fdd\u7c7b A \u4e0d\u4f9d\u8d56\u4e8e\u7c7b B\u3002\u8fd9\u4f1a\u5728\u4f9d\u8d56\u56fe\u4e2d\u9020\u6210\u6b7b\u9501\u3002<\/li>\n<li><strong>\u5ffd\u7565\u72b6\u6001\uff1a<\/strong>\u8bf7\u8bb0\u4f4f\uff0c\u7c7b\u5177\u6709\u72b6\u6001\u3002\u4e00\u4e2a<code>\u652f\u4ed8<\/code>\u5bf9\u8c61\u4e0d\u5e94\u5728\u6ca1\u6709\u5bf9\u5e94\u7684<code>\u8ba2\u5355<\/code>\u72b6\u6001\u7684\u60c5\u51b5\u4e0b\u5b58\u5728\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udd04 \u4ece\u56fe\u8868\u5230\u5b9e\u73b0<\/h2>\n<p>\u6700\u540e\u4e00\u6b65\u662f\u5c06\u53ef\u89c6\u5316\u6a21\u578b\u8f6c\u6362\u4e3a\u4ee3\u7801\u3002\u867d\u7136\u5de5\u5177\u53ef\u4ee5\u81ea\u52a8\u5316\u6b64\u8fc7\u7a0b\u7684\u8bb8\u591a\u90e8\u5206\uff0c\u4f46\u4eba\u5de5\u5ba1\u67e5\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<ul>\n<li><strong>\u6570\u636e\u5e93\u6a21\u5f0f\uff1a<\/strong>\u7c7b\u56fe\u76f4\u63a5\u51b3\u5b9a\u6570\u636e\u5e93\u6a21\u5f0f\u3002\u8868\u5bf9\u5e94\u7c7b\uff0c\u5916\u952e\u5bf9\u5e94\u5173\u8054\u3002<\/li>\n<li><strong>API \u8bbe\u8ba1\uff1a<\/strong>\u7c7b\u4e2d\u7684\u516c\u5171\u64cd\u4f5c\u6210\u4e3a API \u7aef\u70b9\u3002\u4f8b\u5982\uff0c<code>placeOrder()<\/code>\u53d8\u4e3a<code>POST \/orders<\/code>\u8def\u7531\u3002<\/li>\n<li><strong>\u6d4b\u8bd5\u7b56\u7565\uff1a<\/strong>\u5229\u7528\u5173\u7cfb\u5b9a\u4e49\u5355\u5143\u6d4b\u8bd5\u3002\u9a8c\u8bc1<code>\u5ba2\u6237<\/code>\u662f\u5426\u786e\u5b9e\u80fd\u521b\u5efa<code>\u8ba2\u5355<\/code>\uff0c\u5e76\u4e14<code>\u5e93\u5b58<\/code>\u662f\u5426\u88ab\u6b63\u786e\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udcdd \u5173\u952e\u8981\u70b9\u603b\u7ed3<\/h2>\n<p>\u4f7f\u7528 UML 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