{"id":11149,"date":"2026-06-03T14:17:14","date_gmt":"2026-06-03T06:17:14","guid":{"rendered":"https:\/\/www.archimetric.com\/cn\/a-comprehensive-case-study-on-modeling-e-commerce-systems-using-class-object-and-er-diagrams\/"},"modified":"2026-06-03T14:17:14","modified_gmt":"2026-06-03T06:17:14","slug":"a-comprehensive-case-study-on-modeling-e-commerce-systems-using-class-object-and-er-diagrams","status":"publish","type":"post","link":"https:\/\/www.archimetric.com\/cn\/a-comprehensive-case-study-on-modeling-e-commerce-systems-using-class-object-and-er-diagrams\/","title":{"rendered":"\u4f7f\u7528\u7c7b\u56fe\u3001\u5bf9\u8c61\u56fe\u548cER\u56fe\u5bf9\u7535\u5b50\u5546\u52a1\u7cfb\u7edf\u5efa\u6a21\u7684\u7efc\u5408\u6848\u4f8b\u7814\u7a76"},"content":{"rendered":"<h2><strong>\u5f15\u8a00<\/strong><\/h2>\n<p>\u5728\u5f53\u4eca\u5feb\u901f\u53d1\u5c55\u7684\u6570\u5b57\u73af\u5883\u4e2d\uff0c\u8f6f\u4ef6\u5f00\u53d1\u9879\u76ee\u7684\u6210\u8d25\u53d6\u51b3\u4e8e\u7ec6\u81f4\u7684\u89c4\u5212\u548c\u5f3a\u5927\u7684\u67b6\u6784\u8bbe\u8ba1\u3002\u5728\u7f16\u5199\u4efb\u4f55\u4ee3\u7801\u4e4b\u524d\uff0c\u5f00\u53d1\u4eba\u5458\u5fc5\u987b\u521b\u5efa\u5168\u9762\u7684\u6a21\u578b\uff0c\u4ee5\u6355\u6349\u4ed6\u4eec\u8ba1\u5212\u6784\u5efa\u7684\u7cfb\u7edf\u7684\u9759\u6001\u7ed3\u6784\u3001\u52a8\u6001\u884c\u4e3a\u4ee5\u53ca\u6570\u636e\u5173\u7cfb\u3002\u8fd9\u6b63\u662f\u5efa\u6a21\u56fe\u6210\u4e3a\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u5de5\u5177\u7bb1\u4e2d\u4e0d\u53ef\u6216\u7f3a\u5de5\u5177\u7684\u539f\u56e0\u3002<\/p>\n<p>\u5728\u5404\u79cd\u53ef\u7528\u7684\u5efa\u6a21\u6280\u672f\u4e2d\uff0c\u7c7b\u56fe\u3001\u5bf9\u8c61\u56fe\u548c\u5b9e\u4f53-\u5173\u7cfb\uff08ER\uff09\u56fe\u5c24\u4e3a\u7a81\u51fa\uff0c\u662f\u53ef\u89c6\u5316\u548c\u8bbe\u8ba1\u9762\u5411\u5bf9\u8c61\u7cfb\u7edf\u7684\u57fa\u672c\u5de5\u5177\u3002\u6bcf\u79cd\u56fe\u90fd\u6709\u5176\u72ec\u7279\u7528\u9014\uff1a\u7c7b\u56fe\u63d0\u4f9b\u7cfb\u7edf\u67b6\u6784\u7684\u84dd\u56fe\uff0c\u5bf9\u8c61\u56fe\u5c55\u793a\u8fd0\u884c\u65f6\u5b9e\u4f8b\u7684\u5feb\u7167\uff0c\u800cER\u56fe\u5219\u5728\u6982\u5ff5\u8bbe\u8ba1\u4e0e\u6570\u636e\u5e93\u5b9e\u73b0\u4e4b\u95f4\u67b6\u8d77\u6865\u6881\u3002<\/p>\n<p id=\"nbNqSEI\"><img alt=\"Modeling E-Commerce Systems Using Class, Object, and ER Diagrams\" class=\"alignnone wp-image-12658 size-full\" decoding=\"async\" height=\"506\" loading=\"lazy\" sizes=\"auto, (max-width: 915px) 100vw, 915px\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/06\/img_6a1fc6ce69c29.png\" srcset=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/06\/img_6a1fc6ce69c29.png 915w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/06\/img_6a1fc6ce69c29-300x166.png 300w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/06\/img_6a1fc6ce69c29-768x425.png 768w\" width=\"915\"\/><\/p>\n<p>\u672c\u6848\u4f8b\u7814\u7a76\u901a\u8fc7\u5f00\u53d1\u4e00\u4e2a\u771f\u5b9e\u4e16\u754c\u7684\u7535\u5b50\u5546\u52a1\u5e73\u53f0\uff0c\u63a2\u8ba8\u4e86\u8fd9\u4e09\u79cd\u56fe\u7c7b\u578b\u7684\u5b9e\u8df5\u5e94\u7528\u3002\u901a\u8fc7\u5b8c\u6574\u5efa\u6a21\u8fc7\u7a0b\u7684\u9010\u6b65\u89e3\u6790\u2014\u2014\u4ece\u6700\u521d\u7684\u9700\u6c42\u6570\u6536\u96c6\u5230\u6570\u636e\u5e93\u6a21\u5f0f\u751f\u6210\u2014\u2014\u6211\u4eec\u5c55\u793a\u4e86\u8fd9\u4e9b\u56fe\u5982\u4f55\u534f\u540c\u5de5\u4f5c\uff0c\u4ee5\u6784\u5efa\u4e00\u4e2a\u7edf\u4e00\u3001\u53ef\u6269\u5c55\u4e14\u6613\u4e8e\u7ef4\u62a4\u7684\u8f6f\u4ef6\u7cfb\u7edf\u3002\u65e0\u8bba\u60a8\u662f\u7ecf\u9a8c\u4e30\u5bcc\u7684\u67b6\u6784\u5e08\uff0c\u8fd8\u662f\u6709\u5fd7\u4e8e\u6210\u4e3a\u5f00\u53d1\u8005\u7684\u521d\u5b66\u8005\uff0c\u672c\u6b21\u5168\u9762\u7684\u63a2\u7d22\u90fd\u5c06\u63ed\u793a\u89c6\u89c9\u5efa\u6a21\u5728\u5c06\u62bd\u8c61\u9700\u6c42\u8f6c\u5316\u4e3a\u5177\u4f53\u53ef\u884c\u89e3\u51b3\u65b9\u6848\u4e2d\u7684\u5173\u952e\u4f5c\u7528\u3002<\/p>\n<hr\/>\n<h2><strong>\u76ee\u5f55<\/strong><\/h2>\n<ol>\n<li>\n<p>\u6267\u884c\u6458\u8981<\/p>\n<\/li>\n<li>\n<p>\u9879\u76ee\u80cc\u666f\u4e0e\u9700\u6c42<\/p>\n<\/li>\n<li>\n<p>\u7406\u89e3\u5efa\u6a21\u5de5\u5177<\/p>\n<ul>\n<li>\n<p>3.1 \u7c7b\u56fe\u4e0e\u5bf9\u8c61\u56fe\u7684\u5bf9\u6bd4<\/p>\n<\/li>\n<li>\n<p>3.2 \u7c7b\u56fe\u4e0eER\u56fe\u7684\u5bf9\u6bd4<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6848\u4f8b\u7814\u7a76\uff1a\u7535\u5b50\u5546\u52a1\u5e73\u53f0\u5f00\u53d1<\/p>\n<ul>\n<li>\n<p>4.1 \u7cfb\u7edf\u9700\u6c42\u5206\u6790<\/p>\n<\/li>\n<li>\n<p>4.2 \u6784\u5efa\u7c7b\u56fe<\/p>\n<\/li>\n<li>\n<p>4.3 \u521b\u5efa\u5bf9\u8c61\u56fe\u4ee5\u8fdb\u884c\u9a8c\u8bc1<\/p>\n<\/li>\n<li>\n<p>4.4 \u8bbe\u8ba1ER\u56fe<\/p>\n<\/li>\n<li>\n<p>4.5 \u6570\u636e\u5e93\u6a21\u5f0f\u751f\u6210<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5bf9\u6bd4\u5206\u6790\u4e0e\u6700\u4f73\u5b9e\u8df5<\/p>\n<\/li>\n<li>\n<p>\u7ecf\u9a8c\u6559\u8bad<\/p>\n<\/li>\n<li>\n<p>\u7ed3\u8bba<\/p>\n<\/li>\n<li>\n<p>\u53c2\u8003\u6587\u732e<\/p>\n<\/li>\n<\/ol>\n<hr\/>\n<h2><strong>1. \u6267\u884c\u6458\u8981<\/strong><\/h2>\n<p>\u672c\u6848\u4f8b\u7814\u7a76\u8bb0\u5f55\u4e86\u4e00\u4e2a\u96f6\u552e\u7535\u5b50\u5546\u52a1\u5e73\u53f0\u7684\u5b8c\u6574\u5efa\u6a21\u751f\u547d\u5468\u671f\uff0c\u5c55\u793a\u4e86UML\u7c7b\u56fe\u3001\u5bf9\u8c61\u56fe\u548c\u5b9e\u4f53-\u5173\u7cfb\u56fe\u7684\u6218\u7565\u6027\u5e94\u7528\u3002\u8be5\u9879\u76ee\u9700\u8981\u4e00\u4e2a\u53ef\u6269\u5c55\u3001\u5b89\u5168\u7684\u7cfb\u7edf\uff0c\u80fd\u591f\u5904\u7406\u5ba2\u6237\u8d26\u6237\u3001\u4ea7\u54c1\u76ee\u5f55\u548c\u8ba2\u5355\u7ba1\u7406\uff0c\u5e76\u652f\u6301\u9ad8\u5e76\u53d1\u7528\u6237\u8bbf\u95ee\u3002<\/p>\n<p>\u901a\u8fc7\u7cfb\u7edf\u5316\u7684\u5efa\u6a21\uff0c\u5f00\u53d1\u56e2\u961f\u6210\u529f\u5b9e\u73b0\u4e86\uff1a<\/p>\n<ul>\n<li>\n<p>\u8bc6\u522b\u4e86\u6838\u5fc3\u5b9e\u4f53\u53ca\u5176\u5173\u7cfb<\/p>\n<\/li>\n<li>\n<p>\u901a\u8fc7\u5b9e\u4f8b\u5efa\u6a21\u9a8c\u8bc1\u4e86\u8bbe\u8ba1\u51b3\u7b56<\/p>\n<\/li>\n<li>\n<p>\u5c06\u6982\u5ff5\u6a21\u578b\u8f6c\u5316\u4e3a\u53ef\u5b9e\u65bd\u7684\u6570\u636e\u5e93\u6a21\u5f0f<\/p>\n<\/li>\n<li>\n<p>\u786e\u4fdd\u4e86\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u4e0e\u6570\u636e\u6301\u4e45\u5316\u5c42\u7684\u4e00\u81f4\u6027<\/p>\n<\/li>\n<\/ul>\n<p>\u672c\u6587\u63d0\u51fa\u7684\u7684\u65b9\u6cd5\u548c\u89c1\u89e3\u53ef\u4f5c\u4e3a\u7c7b\u4f3c\u8f6f\u4ef6\u5f00\u53d1\u9879\u76ee\u7684\u53ef\u590d\u7528\u6846\u67b6\u3002<\/p>\n<hr\/>\n<h2><strong>2. \u9879\u76ee\u80cc\u666f\u4e0e\u9700\u6c42<\/strong><\/h2>\n<h3><strong>2.1 \u5ba2\u6237\u6982\u51b5<\/strong><\/h3>\n<p>\u4e00\u5bb6\u4e2d\u578b\u96f6\u552e\u516c\u53f8\u5e0c\u671b\u901a\u8fc7\u63a8\u51fa\u4e00\u4e2a\u5168\u9762\u7684\u7535\u5b50\u5546\u52a1\u5e73\u53f0\u6765\u6269\u5927\u5176\u5e02\u573a\u5f71\u54cd\u529b\u3002\u73b0\u6709\u7684\u5b9e\u4f53\u5e97\u9762\u8fd0\u8425\u9700\u8981\u8fdb\u884c\u6570\u5b57\u5316\u8f6c\u578b\uff0c\u4ee5\u5728\u5728\u7ebf\u5e02\u573a\u4e2d\u4fdd\u6301\u7ade\u4e89\u529b\u3002<\/p>\n<h3><strong>2.2 \u4e1a\u52a1\u76ee\u6807<\/strong><\/h3>\n<ul>\n<li>\n<p>\u4f7f\u5ba2\u6237\u80fd\u591f\u5168\u5929\u5019\u5728\u7ebf\u6d4f\u89c8\u4ea7\u54c1<\/p>\n<\/li>\n<li>\n<p>\u4fc3\u8fdb\u5b89\u5168\u7684\u5728\u7ebf\u8d2d\u4e70<\/p>\n<\/li>\n<li>\n<p>\u63d0\u4f9b\u5ba2\u6237\u8d26\u6237\u7ba1\u7406<\/p>\n<\/li>\n<li>\n<p>\u4fdd\u6301\u5168\u9762\u7684\u8ba2\u5355\u5386\u53f2\u8bb0\u5f55<\/p>\n<\/li>\n<li>\n<p>\u786e\u4fdd\u7cfb\u7edf\u53ef\u6269\u5c55\u6027\u4ee5\u652f\u6301\u672a\u6765\u589e\u957f<\/p>\n<\/li>\n<li>\n<p>\u652f\u6301\u6570\u5343\u540d\u5e76\u53d1\u7528\u6237<\/p>\n<\/li>\n<\/ul>\n<h3><strong>2.3 \u6280\u672f\u9700\u6c42<\/strong><\/h3>\n<p><strong>\u529f\u80fd\u9700\u6c42\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u7528\u6237\u6ce8\u518c\u4e0e\u8eab\u4efd\u9a8c\u8bc1<\/p>\n<\/li>\n<li>\n<p>\u5e26\u641c\u7d22\u548c\u7b5b\u9009\u529f\u80fd\u7684\u4ea7\u54c1\u76ee\u5f55<\/p>\n<\/li>\n<li>\n<p>\u8d2d\u7269\u8f66\u529f\u80fd<\/p>\n<\/li>\n<li>\n<p>\u8ba2\u5355\u4e0b\u5355\u4e0e\u8ffd\u8e2a<\/p>\n<\/li>\n<li>\n<p>\u652f\u4ed8\u5904\u7406\u96c6\u6210<\/p>\n<\/li>\n<li>\n<p>\u5ba2\u6237\u8d44\u6599\u7ba1\u7406<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u975e\u529f\u80fd\u9700\u6c42\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u9ad8\u53ef\u7528\u6027\uff0899.9%\u6b63\u5e38\u8fd0\u884c\u65f6\u95f4\uff09<\/p>\n<\/li>\n<li>\n<p>\u54cd\u5e94\u65f6\u95f4\u4f4e\u4e8e2\u79d2<\/p>\n<\/li>\n<li>\n<p>\u5b89\u5168\u7684\u6570\u636e\u5b58\u50a8\u4e0e\u4f20\u8f93<\/p>\n<\/li>\n<li>\n<p>\u53ef\u6269\u5c55\u7684\u67b6\u6784<\/p>\n<\/li>\n<li>\n<p>\u53ef\u7ef4\u62a4\u7684\u4ee3\u7801\u5e93<\/p>\n<\/li>\n<\/ul>\n<hr\/>\n<h2><strong>3. \u7406\u89e3\u5efa\u6a21\u5de5\u5177<\/strong><\/h2>\n<h3><strong>3.1 \u7c7b\u56fe\u4e0e\u5bf9\u8c61\u56fe\uff1a\u7406\u89e3\u5b83\u4eec\u4e4b\u95f4\u7684\u5dee\u5f02<\/strong><\/h3>\n<p>\u7c7b\u56fe\u548c\u5bf9\u8c61\u56fe\u90fd\u662f\u9762\u5411\u5bf9\u8c61\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u4f7f\u7528\u7684UML\u56fe\u7c7b\u578b\u3002\u5c3d\u7ba1\u5b83\u4eec\u6709\u4e00\u4e9b\u76f8\u4f3c\u4e4b\u5904\uff0c\u4f46\u4e24\u8005\u4e4b\u95f4\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002<\/p>\n<p><img alt=\"What is Object Diagram?\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/06\/03-class-diagram-to-object-diagram.png\"\/><\/p>\n<p><strong>\u7c7b\u56fe\uff1a<\/strong><br \/>\n\u7c7b\u56fe\u7528\u4e8e\u8868\u793a\u8f6f\u4ef6\u7cfb\u7edf\u7684\u9759\u6001\u7ed3\u6784\uff0c\u5c55\u793a\u7c7b\u3001\u5b83\u4eec\u7684\u5c5e\u6027\u4ee5\u53ca\u4e0e\u5176\u4ed6\u7c7b\u7684\u5173\u7cfb\u3002\u5b83\u662f\u7cfb\u7edf\u7684\u84dd\u56fe\uff0c\u8bf4\u660e\u4e86\u4e0d\u540c\u7ec4\u4ef6\u5982\u4f55\u76f8\u4e92\u914d\u5408\u3002\u7c7b\u56fe\u901a\u5e38\u5728\u5f00\u53d1\u8fc7\u7a0b\u65e9\u671f\u521b\u5efa\uff0c\u4ee5\u5e2e\u52a9\u8bbe\u8ba1\u7cfb\u7edf\u7684\u67b6\u6784\u3002<\/p>\n<p><strong>\u5bf9\u8c61\u56fe\uff1a<\/strong><br \/>\n\u53e6\u4e00\u65b9\u9762\uff0c\u5bf9\u8c61\u56fe\u7528\u4e8e\u8868\u793a\u67d0\u4e00\u65f6\u523b\u67d0\u4e2a\u7c7b\u7684\u5177\u4f53\u5b9e\u4f8b\u3002\u5b83\u5c55\u793a\u4e86\u7cfb\u7edf\u4e2d\u7684\u5b9e\u9645\u5bf9\u8c61\u53ca\u5176\u76f8\u4e92\u5173\u7cfb\u3002\u5bf9\u8c61\u56fe\u6709\u52a9\u4e8e\u7406\u89e3\u7cfb\u7edf\u4e2d\u4e0d\u540c\u5bf9\u8c61\u4e4b\u95f4\u7684\u4ea4\u4e92\u65b9\u5f0f\uff0c\u4e5f\u53ef\u7528\u4e8e\u8c03\u8bd5\u7cfb\u7edf\u7684\u7279\u5b9a\u5b9e\u4f8b\u3002<\/p>\n<p><strong>\u5173\u952e\u5dee\u5f02\uff1a<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u65b9\u9762<\/th>\n<th>\u7c7b\u56fe<\/th>\n<th>\u5bf9\u8c61\u56fe<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u8303\u56f4<\/strong><\/td>\n<td>\u5c55\u793a\u6574\u4e2a\u7cfb\u7edf\u7684\u7ed3\u6784<\/td>\n<td>\u805a\u7126\u4e8e\u7cfb\u7edf\u7684\u7279\u5b9a\u5b9e\u4f8b<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8be6\u7ec6\u7a0b\u5ea6<\/strong><\/td>\n<td>\u7cfb\u7edf\u7684\u9ad8\u5c42\u89c6\u56fe<\/td>\n<td>\u7279\u5b9a\u5b9e\u4f8b\u7684\u8be6\u7ec6\u89c6\u56fe<\/td>\n<\/tr>\n<tr>\n<td><strong>\u65f6\u95f4<\/strong><\/td>\n<td>\u5728\u5f00\u53d1\u65e9\u671f\u521b\u5efa\uff1b\u7528\u4e8e\u67b6\u6784\u8bbe\u8ba1<\/td>\n<td>\u5728\u540e\u671f\u521b\u5efa\uff1b\u7528\u4e8e\u8c03\u8bd5\u548c\u6d4b\u8bd5<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5173\u7cfb<\/strong><\/td>\n<td>\u5c55\u793a\u7c7b\u4e4b\u95f4\u7684\u5173\u7cfb<\/td>\n<td>\u5c55\u793a\u5bf9\u8c61\u4e4b\u95f4\u7684\u5173\u7cfb<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7b26\u53f7\u8868\u793a<\/strong><\/td>\n<td>\u7c7b\u540d\uff08\u62bd\u8c61\uff09<\/td>\n<td>\u5e26\u6709\u5177\u4f53\u503c\u7684\u5bf9\u8c61\u540d\uff08\u5177\u4f53\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><strong>3.2 \u7c7b\u56fe\u4e0eER\u56fe\uff1a\u7406\u89e3\u5dee\u5f02\u4e0e\u5e94\u7528\u573a\u666f<\/strong><\/h3>\n<p>\u7c7b\u56fe\u548c\u5b9e\u4f53-\u5173\u7cfb\uff08ER\uff09\u56fe\u662f\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u7528\u4e8e\u8868\u793a\u7cfb\u7edf\u7ed3\u6784\u7684\u4e24\u79cd\u5e38\u89c1\u56fe\u8868\u3002\u5c3d\u7ba1\u5b83\u4eec\u6709\u4e00\u4e9b\u76f8\u4f3c\u4e4b\u5904\uff0c\u4f46\u7528\u9014\u4e0d\u540c\u3002<\/p>\n<p><strong>\u7c7b\u56fe\uff1a<\/strong><br \/>\n\u7528\u4e8e\u8868\u793a\u8f6f\u4ef6\u7cfb\u7edf\u7684\u9759\u6001\u7ed3\u6784\uff0c\u5c55\u793a\u7c7b\u3001\u5b83\u4eec\u7684\u5c5e\u6027\u4ee5\u53ca\u4e0e\u5176\u4ed6\u7c7b\u7684\u5173\u7cfb\u3002\u4e3b\u8981\u7528\u4e8e\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\uff0c\u8bbe\u8ba1\u7cfb\u7edf\u7684\u7ed3\u6784\u3002<\/p>\n<p><strong>ER\u56fe\uff1a<\/strong><br \/>\n\u7528\u4e8e\u8868\u793a\u7cfb\u7edf\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5c55\u793a\u5b9e\u4f53\u3001\u5b83\u4eec\u7684\u5c5e\u6027\u4ee5\u53ca\u5b9e\u4f53\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u4e3b\u8981\u7528\u4e8e\u6570\u636e\u5e93\u8bbe\u8ba1\u4e2d\uff0c\u5efa\u6a21\u7cfb\u7edf\u4e2d\u5c06\u5b58\u50a8\u7684\u6570\u636e\u3002<\/p>\n<p><img alt=\"ERD - Small Loan System - Visual Paradigm Community Circle\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/06\/ERD-Small-Loan-System.png\"\/><\/p>\n<p><strong>\u5173\u952e\u5dee\u5f02\uff1a<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u65b9\u9762<\/th>\n<th>\u7c7b\u56fe<\/th>\n<th>ER\u56fe<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u76ee\u7684<\/strong><\/td>\n<td>\u8868\u793a\u8f6f\u4ef6\u7cfb\u7edf\u7ed3\u6784<\/td>\n<td>\u8868\u793a\u6570\u636e\u5e93\u7cfb\u7edf\u7ed3\u6784<\/td>\n<\/tr>\n<tr>\n<td><strong>\u62bd\u8c61\u7ea7\u522b<\/strong><\/td>\n<td>\u66f4\u62bd\u8c61\uff1b\u4fa7\u91cd\u4e8e\u7cfb\u7edf\u8bbe\u8ba1<\/td>\n<td>\u66f4\u5177\u4f53\uff1b\u4fa7\u91cd\u4e8e\u6570\u636e\u5b58\u50a8<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5173\u7cfb<\/strong><\/td>\n<td>\u663e\u793a\u7c7b\u4e4b\u95f4\u7684\u5173\u7cfb<\/td>\n<td>\u663e\u793a\u5b9e\u4f53\u4e4b\u95f4\u7684\u5173\u7cfb<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5c5e\u6027<\/strong><\/td>\n<td>\u663e\u793a\u7c7b\u7684\u5c5e\u6027\uff08\u5305\u62ec\u65b9\u6cd5\uff09<\/td>\n<td>\u663e\u793a\u5b9e\u4f53\u7684\u5c5e\u6027\uff08\u4ec5\u6570\u636e\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4e3b\u8981\u7528\u9014<\/strong><\/td>\n<td>\u9762\u5411\u5bf9\u8c61\u7684\u7cfb\u7edf\u8bbe\u8ba1<\/td>\n<td>\u6570\u636e\u5e93\u8bbe\u8ba1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr\/>\n<h2><strong>4. \u6848\u4f8b\u7814\u7a76\uff1a\u7535\u5b50\u5546\u52a1\u5e73\u53f0\u5f00\u53d1<\/strong><\/h2>\n<h3><strong>4.1 \u7cfb\u7edf\u9700\u6c42\u5206\u6790<\/strong><\/h3>\n<p>\u5f00\u53d1\u56e2\u961f\u8fdb\u884c\u4e86\u5e7f\u6cdb\u7684\u5e72\u7cfb\u4eba\u8bbf\u8c08\u548c\u9700\u6c42\u6536\u96c6\u4f1a\u8bae\u3002\u8bc6\u522b\u51fa\u7684\u5173\u952e\u5b9e\u4f53\u5305\u62ec\uff1a<\/p>\n<p><strong>\u4e3b\u8981\u5b9e\u4f53\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u5ba2\u6237<\/strong>\u00a0\u2013 \u6ce8\u518c\u5e76\u8fdb\u884c\u8d2d\u4e70\u7684\u7528\u6237<\/p>\n<\/li>\n<li>\n<p><strong>\u4ea7\u54c1<\/strong>\u00a0\u2013 \u53ef\u9500\u552e\u7684\u5546\u54c1<\/p>\n<\/li>\n<li>\n<p><strong>\u8ba2\u5355<\/strong>\u00a0\u2013 \u7531\u5ba2\u6237\u53d1\u8d77\u7684\u4ea4\u6613<\/p>\n<\/li>\n<li>\n<p><strong>\u8ba2\u5355\u660e\u7ec6<\/strong>\u00a0\u2013 \u8ba2\u5355\u4e2d\u7684\u660e\u7ec6\u9879<\/p>\n<\/li>\n<\/ol>\n<p><strong>\u5173\u952e\u5173\u7cfb\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u4e00\u4e2a\u5ba2\u6237\u53ef\u4ee5\u4e0b\u591a\u4e2a\u8ba2\u5355\uff081:N\uff09<\/p>\n<\/li>\n<li>\n<p>\u4e00\u4e2a\u8ba2\u5355\u53ef\u4ee5\u5305\u542b\u591a\u4e2a\u4ea7\u54c1\uff08M:N\uff09<\/p>\n<\/li>\n<li>\n<p>\u4e00\u4e2a\u4ea7\u54c1\u53ef\u4ee5\u51fa\u73b0\u5728\u591a\u4e2a\u8ba2\u5355\u4e2d\uff08M:N\uff09<\/p>\n<\/li>\n<\/ul>\n<h3><strong>4.2 \u521b\u5efa\u7c7b\u56fe<\/strong><\/h3>\n<p>\u7c7b\u56fe\u63d0\u4f9b\u4e86\u9762\u5411\u5bf9\u8c61\u7cfb\u7edf\u4e2d\u7c7b\u53ca\u5176\u5173\u7cfb\u7684\u6982\u89c8\u3002\u5728\u6211\u4eec\u7684\u7535\u5b50\u5546\u52a1\u5e73\u53f0\u4e2d\uff0c\u8bc6\u522b\u51fa\u7684\u7c7b\u5305\u62ec\u5ba2\u6237\u3001\u4ea7\u54c1\u548c\u8ba2\u5355\uff0c\u6bcf\u4e2a\u7c7b\u90fd\u6709\u5176\u76f8\u5e94\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002<\/p>\n<p><img alt=\"UML Class Diagram for Customer-Order-Product example\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/06\/customer-order-and-product-class-diagram.png\"\/><\/p>\n<p><strong>\u7c7b\u89c4\u8303\uff1a<\/strong><\/p>\n<p><strong>\u5ba2\u6237\u7c7b\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u5c5e\u6027\uff1a<\/strong>\u00a0customerId\uff0cname\uff0cemail\uff0cpassword\uff0cphoneNumber\uff0caddress<\/p>\n<\/li>\n<li>\n<p><strong>\u65b9\u6cd5\uff1a<\/strong>\u00a0register()\uff0clogin()\uff0cupdateProfile()\uff0cviewOrderHistory()<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u4ea7\u54c1\u7c7b\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u5c5e\u6027\uff1a<\/strong>\u00a0productId\uff0cname\uff0cdescription\uff0cprice\uff0cstockQuantity\uff0ccategory<\/p>\n<\/li>\n<li>\n<p><strong>\u65b9\u6cd5\uff1a<\/strong>\u00a0getProductDetails()\uff0cupdateStock()\uff0ccalculateDiscount()<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u8ba2\u5355\u7c7b\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u5c5e\u6027\uff1a<\/strong>\u00a0orderId\uff0corderDate\uff0ctotalPrice\uff0cstatus\uff0cshippingAddress<\/p>\n<\/li>\n<li>\n<p><strong>\u65b9\u6cd5\uff1a<\/strong>\u00a0placeOrder()\uff0ccancelOrder()\uff0ctrackOrder()\uff0ccalculateTotal()<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u8bc6\u522b\u51fa\u7684\u5173\u7cfb\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u5173\u8054\uff08\u5ba2\u6237 \u2194 \u8ba2\u5355\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u4e00\u5bf9\u591a\u5173\u7cfb<\/p>\n<\/li>\n<li>\n<p>\u4e00\u4e2a\u5ba2\u6237\u53ef\u4ee5\u4e0b\u591a\u4e2a\u8ba2\u5355<\/p>\n<\/li>\n<li>\n<p>\u57fa\u6570\uff1a1..*<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u5173\u8054\uff08\u8ba2\u5355 \u2194 \u4ea7\u54c1\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u591a\u5bf9\u591a\u5173\u7cfb<\/p>\n<\/li>\n<li>\n<p>\u4e00\u4e2a\u8ba2\u5355\u5305\u542b\u591a\u4e2a\u4ea7\u54c1<\/p>\n<\/li>\n<li>\n<p>\u4e00\u4e2a\u4ea7\u54c1\u53ef\u4ee5\u51fa\u73b0\u5728\u591a\u4e2a\u8ba2\u5355\u4e2d<\/p>\n<\/li>\n<li>\n<p>\u9700\u8981\u5173\u8054\u7c7b\uff1aOrderProduct<\/p>\n<\/li>\n<li>\n<p>\u57fa\u6570\uff1a<em>..<\/em><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u805a\u5408\uff08\u8ba2\u5355 \u2192 \u8ba2\u5355\u4ea7\u54c1\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u8ba2\u5355\u5305\u542b\u8ba2\u5355\u4ea7\u54c1\u9879<\/p>\n<\/li>\n<li>\n<p>\u8ba2\u5355\u4ea7\u54c1\u53ef\u4ee5\u72ec\u7acb\u5b58\u5728<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u7ec4\u5408\uff08\u8ba2\u5355\u4ea7\u54c1 \u2192 \u4ea7\u54c1\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u8ba2\u5355\u660e\u7ec6\u9879\u4e0e\u4ea7\u54c1\u4e4b\u95f4\u7684\u5f3a\u5173\u7cfb<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>\u5e94\u7528\u7684UML\u5173\u7cfb\u7c7b\u578b\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u5173\u8054\uff1a<\/strong>\u5ba2\u6237\u4e0e\u8ba2\u5355\u4e4b\u95f4\u7684\u57fa\u672c\u5173\u7cfb<\/p>\n<\/li>\n<li>\n<p><strong>\u805a\u5408\uff1a<\/strong>\u8ba2\u5355\u201c\u62e5\u6709\u201d\u8ba2\u5355\u4ea7\u54c1\uff08\u7a7a\u5fc3\u83f1\u5f62\uff09<\/p>\n<\/li>\n<li>\n<p><strong>\u7ec4\u5408\uff1a<\/strong>\u8ba2\u5355\u4ea7\u54c1\u5f3a\u70c8\u5f15\u7528\u4ea7\u54c1\uff08\u5b9e\u5fc3\u83f1\u5f62\uff09<\/p>\n<\/li>\n<li>\n<p><strong>\u4f9d\u8d56\uff1a<\/strong>\u8ba2\u5355\u4f9d\u8d56\u4ea7\u54c1\u83b7\u53d6\u4ef7\u683c\u4fe1\u606f\uff08\u865a\u7ebf\u7bad\u5934\uff09<\/p>\n<\/li>\n<\/ul>\n<h3><strong>4.3 \u521b\u5efa\u5bf9\u8c61\u56fe\u4ee5\u8fdb\u884c\u9a8c\u8bc1<\/strong><\/h3>\n<p>\u867d\u7136\u7c7b\u56fe\u63d0\u4f9b\u4e86\u84dd\u56fe\uff0c\u4f46\u56e2\u961f\u9700\u8981\u901a\u8fc7\u5177\u4f53\u793a\u4f8b\u6765\u9a8c\u8bc1\u8bbe\u8ba1\u3002\u521b\u5efa\u4e86\u5bf9\u8c61\u56fe\uff0c\u4ee5\u8868\u793a\u7279\u5b9a\u65f6\u95f4\u70b9\u7684\u5177\u4f53\u5b9e\u4f8b\u3002<\/p>\n<p><img alt=\"UML Object Diagram for a Customer-Order-Product example\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/06\/customer-order-and-product-object-diagram.png\"\/><\/p>\n<p><strong>\u5b9e\u4f8b\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><strong>\u5ba2\u6237\u5bf9\u8c61\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u5ba2\u6237ID\uff1aC12345<\/p>\n<\/li>\n<li>\n<p>\u59d3\u540d\uff1a&#8221;John Smith&#8221;<\/p>\n<\/li>\n<li>\n<p>\u7535\u5b50\u90ae\u4ef6\uff1a&#8221;john.smith@email.com&#8221;<\/p>\n<\/li>\n<li>\n<p>\u7535\u8bdd\u53f7\u7801\uff1a&#8221;+1-555-0123&#8243;<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u8ba2\u5355\u5bf9\u8c61\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u8ba2\u5355ID\uff1aORD-2024-001<\/p>\n<\/li>\n<li>\n<p>\u8ba2\u5355\u65e5\u671f\uff1a&#8221;2024-01-15T10:30:00&#8243;<\/p>\n<\/li>\n<li>\n<p>\u603b\u4ef7\uff1a299.97<\/p>\n<\/li>\n<li>\n<p>\u72b6\u6001\uff1a&#8221;Processing&#8221;<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u4ea7\u54c1\u5bf9\u8c61\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p>\u4ea7\u54c11\uff1a<\/p>\n<ul>\n<li>\n<p>\u4ea7\u54c1ID\uff1aP001<\/p>\n<\/li>\n<li>\n<p>\u540d\u79f0: \u201c\u65e0\u7ebf\u8033\u673a\u201d<\/p>\n<\/li>\n<li>\n<p>\u4ef7\u683c: 79.99<\/p>\n<\/li>\n<li>\n<p>\u6570\u91cf: 2<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4ea7\u54c1 2:<\/p>\n<ul>\n<li>\n<p>\u4ea7\u54c1ID: P045<\/p>\n<\/li>\n<li>\n<p>\u540d\u79f0: \u201cUSB-C \u6570\u636e\u7ebf\u201d<\/p>\n<\/li>\n<li>\n<p>\u4ef7\u683c: 19.99<\/p>\n<\/li>\n<li>\n<p>\u6570\u91cf: 1<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4ea7\u54c1 3:<\/p>\n<ul>\n<li>\n<p>\u4ea7\u54c1ID: P128<\/p>\n<\/li>\n<li>\n<p>\u540d\u79f0: \u201c\u624b\u673a\u58f3\u201d<\/p>\n<\/li>\n<li>\n<p>\u4ef7\u683c: 24.99<\/p>\n<\/li>\n<li>\n<p>\u6570\u91cf: 5<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>\u9a8c\u8bc1\u6d1e\u5bdf:<\/strong><\/p>\n<p>\u5bf9\u8c61\u56fe\u63ed\u793a\u4e86\u51e0\u4e2a\u91cd\u8981\u8003\u91cf:<\/p>\n<ol>\n<li>\n<p><strong>\u6570\u636e\u5b8c\u6574\u6027:<\/strong>\u00a0\u786e\u8ba4\u6240\u6709\u5fc5\u9700\u5c5e\u6027\u90fd\u5177\u6709\u9002\u5f53\u7684\u503c<\/p>\n<\/li>\n<li>\n<p><strong>\u5173\u7cfb\u5bfc\u822a:<\/strong>\u00a0\u9a8c\u8bc1\u4e86\u5bf9\u8c61\u80fd\u591f\u6b63\u786e\u904d\u5386\u5173\u7cfb<\/p>\n<\/li>\n<li>\n<p><strong>\u591a\u91cd\u6027\u9a8c\u8bc1:<\/strong>\u00a0\u786e\u8ba4\u4e00\u4e2a\u5ba2\u6237\u786e\u5b9e\u53ef\u4ee5\u62e5\u6709\u591a\u4e2a\u8ba2\u5355<\/p>\n<\/li>\n<li>\n<p><strong>\u72b6\u6001\u8868\u793a:<\/strong>\u00a0\u5c55\u793a\u4e86\u7cfb\u7edf\u5728\u7279\u5b9a\u65f6\u95f4\u70b9\u7684\u72b6\u6001\uff08\u8ba2\u5355\u5df2\u63d0\u4ea4\u4f46\u5c1a\u672a\u53d1\u8d27\uff09<\/p>\n<\/li>\n<\/ol>\n<p><strong>\u8c03\u8bd5\u4f18\u52bf:<\/strong><\/p>\n<p>\u5728\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\uff0c\u5bf9\u8c61\u56fe\u5e2e\u52a9\u8bc6\u522b\u51fa:<\/p>\n<ul>\n<li>\n<p>\u7f3a\u5c11\u5bf9\u53ef\u9009\u5c5e\u6027\u7684\u7a7a\u503c\u68c0\u67e5<\/p>\n<\/li>\n<li>\n<p>\u5e93\u5b58\u6570\u91cf\u66f4\u65b0\u4e2d\u6f5c\u5728\u7684\u7ade\u6001\u6761\u4ef6<\/p>\n<\/li>\n<li>\n<p>\u8ba2\u5355\u603b\u989d\u8ba1\u7b97\u4e2d\u7684\u4e0d\u4e00\u81f4<\/p>\n<\/li>\n<\/ul>\n<h3><strong>4.4 \u8bbe\u8ba1ER\u56fe<\/strong><\/h3>\n<p>\u5728\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u5f97\u5230\u9a8c\u8bc1\u540e\uff0c\u56e2\u961f\u8f6c\u5411\u4f7f\u7528ER\u56fe\u8fdb\u884c\u6570\u636e\u5e93\u8bbe\u8ba1\u3002\u8be5\u56fe\u5c06\u4f5c\u4e3a\u5173\u7cfb\u6570\u636e\u5e93\u6a21\u5f0f\u7684\u84dd\u56fe\u3002<\/p>\n<p><img alt=\"ER Diagram for a Customer-Order-Product example\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/06\/customer-order-and-product-er-diagram.png\"\/><\/p>\n<p><strong>\u5b9e\u4f53\u89c4\u8303\uff1a<\/strong><\/p>\n<p><strong>\u5ba2\u6237\u5b9e\u4f53\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u4e3b\u952e\uff1a<\/strong>\u00a0customer_id<\/p>\n<\/li>\n<li>\n<p><strong>\u5c5e\u6027\uff1a<\/strong>\u00a0name, email, password (\u5df2\u54c8\u5e0c), phone_number, address, created_at<\/p>\n<\/li>\n<li>\n<p><strong>\u7ea6\u675f\uff1a<\/strong>\u00a0email \u552f\u4e00\uff0c\u5173\u952e\u5b57\u6bb5 NOT NULL<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u4ea7\u54c1\u5b9e\u4f53\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u4e3b\u952e\uff1a<\/strong>\u00a0product_id<\/p>\n<\/li>\n<li>\n<p><strong>\u5c5e\u6027\uff1a<\/strong>\u00a0name, description, price, stock_quantity, category, sku<\/p>\n<\/li>\n<li>\n<p><strong>\u7ea6\u675f\uff1a<\/strong>\u00a0price &gt; 0, stock_quantity &gt;= 0<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u8ba2\u5355\u5b9e\u4f53\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u4e3b\u952e\uff1a<\/strong>\u00a0order_id<\/p>\n<\/li>\n<li>\n<p><strong>\u5916\u952e\uff1a<\/strong>\u00a0customer_id \u2192 \u5ba2\u6237<\/p>\n<\/li>\n<li>\n<p><strong>\u5c5e\u6027\uff1a<\/strong>\u00a0order_date, total_price, status, shipping_address, payment_method<\/p>\n<\/li>\n<li>\n<p><strong>\u7ea6\u675f\uff1a<\/strong>\u00a0status IN (\u2018\u5f85\u5904\u7406\u2019, \u2018\u5904\u7406\u4e2d\u2019, \u2018\u5df2\u53d1\u8d27\u2019, \u2018\u5df2\u9001\u8fbe\u2019, \u2018\u5df2\u53d6\u6d88\u2019)<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u8ba2\u5355-\u4ea7\u54c1\u5173\u8054\u5b9e\u4f53\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u590d\u5408\u4e3b\u952e\uff1a<\/strong>\u00a0(order_id, product_id)<\/p>\n<\/li>\n<li>\n<p><strong>\u5916\u952e\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>order_id \u2192 \u8ba2\u5355<\/p>\n<\/li>\n<li>\n<p>product_id \u2192 \u4ea7\u54c1<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u5c5e\u6027\uff1a<\/strong>\u00a0\u6570\u91cf\uff0c\u5355\u4ef7\uff08\u8d2d\u4e70\u65f6\u7684\u5feb\u7167\uff09<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u5173\u7cfb\u57fa\u6570\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u5ba2\u6237\u5230\u8ba2\u5355\uff1a<\/strong>\u00a01:N\uff08\u4e00\u5bf9\u4e00\u591a\uff09<\/p>\n<ul>\n<li>\n<p>\u4e00\u4e2a\u5ba2\u6237\u53ef\u4ee5\u4e0b\u591a\u4e2a\u8ba2\u5355<\/p>\n<\/li>\n<li>\n<p>\u6bcf\u4e2a\u8ba2\u5355\u90fd\u5c5e\u4e8e\u4e14\u4ec5\u5c5e\u4e8e\u4e00\u4e2a\u5ba2\u6237<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u8ba2\u5355\u5230\u4ea7\u54c1\uff1a<\/strong>\u00a0M:N\uff08\u591a\u5bf9\u591a\uff09<\/p>\n<ul>\n<li>\n<p>\u901a\u8fc7\u8ba2\u5355-\u4ea7\u54c1\u5173\u8054\u8868\u89e3\u51b3<\/p>\n<\/li>\n<li>\n<p>\u8bb0\u5f55\u8d2d\u4e70\u65f6\u7684\u6570\u91cf\u548c\u4ef7\u683c<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>ER\u56fe\u4e0e\u7c7b\u56fe\u7684\u4e00\u81f4\u6027\uff1a<\/strong><\/p>\n<p>\u56e2\u961f\u786e\u4fdd\u4e86\u7c7b\u56fe\u4e0eER\u56fe\u4e4b\u95f4\u7684\u4e00\u81f4\u6027\uff1a<\/p>\n<ul>\n<li>\n<p>\u6bcf\u4e2a\u7c7b\u90fd\u6620\u5c04\u5230\u4e00\u4e2a\u5b9e\u4f53<\/p>\n<\/li>\n<li>\n<p>\u5c5e\u6027\u5f97\u4ee5\u4fdd\u7559\uff08ER\u56fe\u4e2d\u4e0d\u5305\u542b\u65b9\u6cd5\uff09<\/p>\n<\/li>\n<li>\n<p>\u5173\u7cfb\u88ab\u8f6c\u6362\u4e3a\u5916\u952e<\/p>\n<\/li>\n<li>\n<p>\u57fa\u6570\u5173\u7cfb\u5f97\u4ee5\u4fdd\u6301<\/p>\n<\/li>\n<\/ul>\n<h3><strong>4.5 \u6570\u636e\u5e93\u6a21\u5f0f\u751f\u6210<\/strong><\/h3>\n<p>\u57fa\u4e8e\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\uff0c\u56e2\u961f\u521b\u5efa\u4e86\u4e00\u4e2a\u5168\u9762\u7684\u6570\u636e\u5e93\u6a21\u5f0f\uff0c\u4ee5\u8868\u793a\u6570\u636e\u5e93\u7684\u903b\u8f91\u7ed3\u6784\u3002<\/p>\n<p><strong>SQL\u6a21\u5f0f\u5b9e\u73b0\uff1a<\/strong><\/p>\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Sql<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#sql: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Sql in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-sql\"><code data-language=\"sql\" class=\"language-sql\">-- \u5ba2\u6237\u8868\r\nCREATE TABLE Customer (\r\n    customer_id INT PRIMARY KEY AUTO_INCREMENT,\r\n    name VARCHAR(100) NOT NULL,\r\n    email VARCHAR(255) UNIQUE NOT NULL,\r\n    password_hash VARCHAR(255) NOT NULL,\r\n    phone_number VARCHAR(20),\r\n    address TEXT,\r\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\r\n    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,\r\n    INDEX idx_email (email),\r\n    INDEX idx_name (name)\r\n);\r\n\r\n-- \u4ea7\u54c1\u8868\r\nCREATE TABLE Product (\r\n    product_id INT PRIMARY KEY AUTO_INCREMENT,\r\n    name VARCHAR(200) NOT NULL,\r\n    description TEXT,\r\n    price DECIMAL(10, 2) NOT NULL CHECK (price &gt;= 0),\r\n    stock_quantity INT NOT NULL DEFAULT 0 CHECK (stock_quantity &gt;= 0),\r\n    category VARCHAR(100),\r\n    sku VARCHAR(50) UNIQUE,\r\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\r\n    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,\r\n    INDEX idx_category (category),\r\n    INDEX idx_price (price),\r\n    FULLTEXT idx_search (name, description)\r\n);\r\n\r\n-- \u8ba2\u5355\u8868\r\nCREATE TABLE `Order` (\r\n    order_id INT PRIMARY KEY AUTO_INCREMENT,\r\n    customer_id INT NOT NULL,\r\n    order_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\r\n    total_price DECIMAL(10, 2) NOT NULL,\r\n    status ENUM('\u5f85\u5904\u7406', '\u5904\u7406\u4e2d', '\u5df2\u53d1\u8d27', '\u5df2\u9001\u8fbe', '\u5df2\u53d6\u6d88') DEFAULT '\u5f85\u5904\u7406',\r\n    shipping_address TEXT NOT NULL,\r\n    payment_method VARCHAR(50),\r\n    payment_status ENUM('\u5f85\u652f\u4ed8', '\u5df2\u5b8c\u6210', '\u5931\u8d25', '\u5df2\u9000\u6b3e') DEFAULT '\u5f85\u652f\u4ed8',\r\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\r\n    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,\r\n    FOREIGN KEY (customer_id) REFERENCES Customer(customer_id) ON DELETE RESTRICT,\r\n    INDEX idx_customer (customer_id),\r\n    INDEX idx_order_date (order_date),\r\n    INDEX idx_status (status)\r\n);\r\n\r\n-- \u8ba2\u5355-\u4ea7\u54c1\u5173\u8054\u8868\r\nCREATE TABLE Order_Product (\r\n    order_id INT NOT NULL,\r\n    product_id INT NOT NULL,\r\n    quantity INT NOT NULL CHECK (quantity &gt; 0),\r\n    unit_price DECIMAL(10, 2) NOT NULL,\r\n    subtotal DECIMAL(10, 2) GENERATED ALWAYS AS (quantity * unit_price) STORED,\r\n    PRIMARY KEY (order_id, product_id),\r\n    FOREIGN KEY (order_id) REFERENCES `Order`(order_id) ON DELETE CASCADE,\r\n    FOREIGN KEY (product_id) REFERENCES Product(product_id) ON DELETE RESTRICT,\r\n    INDEX idx_product (product_id)\r\n);\r\n\r\n-- \u7528\u4e8e\u53ef\u6269\u5c55\u6027\u7684\u9644\u52a0\u652f\u6301\u8868\r\nCREATE TABLE Order_History (\r\n    history_id INT PRIMARY KEY AUTO_INCREMENT,\r\n    order_id INT NOT NULL,\r\n    status_change VARCHAR(50),\r\n    changed_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\r\n    notes TEXT,\r\n    FOREIGN KEY (order_id) REFERENCES `Order`(order_id) ON DELETE CASCADE\r\n);\r\n\r\nCREATE TABLE Product_Review (\r\n    review_id INT PRIMARY KEY AUTO_INCREMENT,\r\n    product_id INT NOT NULL,\r\n    customer_id INT NOT NULL,\r\n    rating INT CHECK (rating BETWEEN 1 AND 5),\r\n    review_text TEXT,\r\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\r\n    FOREIGN KEY (product_id) REFERENCES Product(product_id) ON DELETE CASCADE,\r\n    FOREIGN KEY (customer_id) REFERENCES Customer(customer_id) ON DELETE CASCADE,\r\n    UNIQUE KEY unique_customer_product (customer_id, product_id)\r\n);\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#sql: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Sql in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<p><strong>\u6a21\u5f0f\u8bbe\u8ba1\u51b3\u7b56\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u6570\u636e\u7c7b\u578b\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u5bf9\u8d27\u5e01\u503c\u4f7f\u7528DECIMAL\u7c7b\u578b\u4ee5\u907f\u514d\u6d6e\u70b9\u6570\u7cbe\u5ea6\u95ee\u9898<\/p>\n<\/li>\n<li>\n<p>\u5bf9\u72b6\u6001\u5b57\u6bb5\u4f7f\u7528ENUM\u7c7b\u578b\u4ee5\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027<\/p>\n<\/li>\n<li>\n<p>\u6dfb\u52a0\u4e86GENERATED\u5217\u4ee5\u5b9e\u73b0\u81ea\u52a8\u5c0f\u8ba1\u8ba1\u7b97<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u7ea6\u675f\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528CHECK\u7ea6\u675f\u9632\u6b62\u51fa\u73b0\u8d1f\u6570\u4ef7\u683c\u548c\u6570\u91cf<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u9002\u5f53\u7684ON DELETE\u884c\u4e3a\u7684\u5916\u952e\u7ea6\u675f<\/p>\n<\/li>\n<li>\n<p>\u5bf9\u90ae\u7bb1\u548cSKU\u6dfb\u52a0UNIQUE\u7ea6\u675f\u4ee5\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u7d22\u5f15\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u5728\u9891\u7e41\u67e5\u8be2\u7684\u5217\uff08email\u3001customer_id\u3001order_date\uff09\u4e0a\u521b\u5efa\u4e86\u7d22\u5f15<\/p>\n<\/li>\n<li>\n<p>\u4e3a\u4ea7\u54c1\u641c\u7d22\u529f\u80fd\u6dfb\u52a0\u4e86FULLTEXT\u7d22\u5f15<\/p>\n<\/li>\n<li>\n<p>\u7528\u4e8e\u5e38\u89c1\u67e5\u8be2\u6a21\u5f0f\u7684\u590d\u5408\u7d22\u5f15<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u5ba1\u8ba1\u8ffd\u8e2a\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u5728\u6240\u6709\u8868\u4e2d\u6dfb\u52a0\u4e86created_at\u548cupdated_at\u65f6\u95f4\u6233<\/p>\n<\/li>\n<li>\n<p>\u521b\u5efaOrder_History\u8868\u4ee5\u8ffd\u8e2a\u8ba2\u5355\u72b6\u6001\u53d8\u66f4<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b\u6570\u636e\u63d2\u5165\uff1a<\/strong><\/p>\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Sql<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#sql: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Sql in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-sql\"><code data-language=\"sql\" class=\"language-sql\">-- \u63d2\u5165\u793a\u4f8b\u5ba2\u6237\r\nINSERT INTO Customer (name, email, password_hash, phone_number, address)\r\nVALUES ('\u7ea6\u7ff0\u00b7\u53f2\u5bc6\u65af', 'john.smith@email.com', '$2b$12$...', '+1-555-0123', '\u4e3b\u8857123\u53f7\uff0c\u57ce\u5e02\uff0c\u5dde 12345');\r\n\r\n-- \u63d2\u5165\u793a\u4f8b\u4ea7\u54c1\r\nINSERT INTO Product (name, description, price, stock_quantity, category, sku)\r\nVALUES \r\n('\u65e0\u7ebf\u8033\u673a', '\u9ad8\u7aef\u964d\u566a\u8033\u673a', 79.99, 150, '\u7535\u5b50\u4ea7\u54c1', 'WH-001'),\r\n('USB-C\u6570\u636e\u7ebf', '6\u82f1\u5c3a\u7f16\u7ec7\u5145\u7535\u7ebf', 19.99, 500, '\u914d\u4ef6', 'UC-045'),\r\n('\u624b\u673a\u58f3', '\u4fdd\u62a4\u6027\u7845\u80f6\u5916\u58f3', 24.99, 300, '\u914d\u4ef6', 'PC-128');\r\n\r\n-- \u63d2\u5165\u793a\u4f8b\u8ba2\u5355\r\nINSERT INTO `Order` (customer_id, total_price, status, shipping_address, payment_method)\r\nVALUES (1, 299.97, '\u5904\u7406\u4e2d', '\u4e3b\u8857123\u53f7\uff0c\u57ce\u5e02\uff0c\u5dde 12345', '\u4fe1\u7528\u5361');\r\n\r\n-- \u63d2\u5165\u8ba2\u5355\u660e\u7ec6\r\nINSERT INTO Order_Product (order_id, product_id, quantity, unit_price)\r\nVALUES \r\n(1, 1, 2, 79.99),\r\n(1, 2, 1, 19.99),\r\n(1, 3, 5, 24.99);<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#sql: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Sql in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<hr\/>\n<h2><strong>5. \u5bf9\u6bd4\u5206\u6790\u4e0e\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n<h3><strong>5.1 \u6bcf\u79cd\u56fe\u8868\u7c7b\u578b\u7684\u4f7f\u7528\u573a\u666f<\/strong><\/h3>\n<p><img alt=\"Class Diagram, Object Diagram and ERD for a Customer-Order-Product example\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/06\/class-diagram-object-diagram-er-diagram.png\"\/><\/p>\n<p><strong>\u7c7b\u56fe \u2013 \u5728\u4ee5\u4e0b\u60c5\u51b5\u4f7f\u7528\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u8bbe\u8ba1\u9762\u5411\u5bf9\u8c61\u7cfb\u7edf\u7684\u6574\u4f53\u67b6\u6784<\/p>\n<\/li>\n<li>\n<p>\u5411\u5f00\u53d1\u56e2\u961f\u4f20\u8fbe\u7cfb\u7edf\u7ed3\u6784<\/p>\n<\/li>\n<li>\n<p>\u89c4\u5212\u7ee7\u627f\u5c42\u6b21\u7ed3\u6784\u548c\u591a\u6001\u884c\u4e3a<\/p>\n<\/li>\n<li>\n<p>\u8bb0\u5f55\u516c\u5171API\u548c\u63a5\u53e3<\/p>\n<\/li>\n<li>\n<p>\u5728\u5b9e\u73b0\u5f00\u59cb\u524d\u7684\u65e9\u671f\u8bbe\u8ba1\u9636\u6bb5<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u5bf9\u8c61\u56fe \u2013 \u5728\u4ee5\u4e0b\u60c5\u51b5\u4f7f\u7528\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528\u5177\u4f53\u793a\u4f8b\u9a8c\u8bc1\u7c7b\u56fe\u8bbe\u8ba1<\/p>\n<\/li>\n<li>\n<p>\u8c03\u8bd5\u7279\u5b9a\u7684\u8fd0\u884c\u65f6\u573a\u666f<\/p>\n<\/li>\n<li>\n<p>\u6d4b\u8bd5\u8fb9\u754c\u60c5\u51b5\u548c\u6781\u7aef\u6761\u4ef6<\/p>\n<\/li>\n<li>\n<p>\u5411\u5229\u76ca\u76f8\u5173\u8005\u5c55\u793a\u7cfb\u7edf\u884c\u4e3a<\/p>\n<\/li>\n<li>\n<p>\u8bb0\u5f55\u7279\u5b9a\u7cfb\u7edf\u72b6\u6001\u4ee5\u7528\u4e8e\u6545\u969c\u6392\u67e5<\/p>\n<\/li>\n<\/ul>\n<p><strong>ER\u56fe \u2013 \u5728\u4ee5\u4e0b\u60c5\u51b5\u4f7f\u7528\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u8bbe\u8ba1\u6570\u636e\u5e93\u6a21\u5f0f<\/p>\n<\/li>\n<li>\n<p>\u89c4\u5212\u6570\u636e\u6301\u4e45\u5316\u7b56\u7565<\/p>\n<\/li>\n<li>\n<p>\u901a\u8fc7\u9002\u5f53\u7684\u89c4\u8303\u5316\u4f18\u5316\u6570\u636e\u5e93\u6027\u80fd<\/p>\n<\/li>\n<li>\n<p>\u5411\u6570\u636e\u5e93\u7ba1\u7406\u5458\u4f20\u8fbe\u6570\u636e\u9700\u6c42<\/p>\n<\/li>\n<li>\n<p>\u4ece\u65e7\u7cfb\u7edf\u8fc1\u79fb<\/p>\n<\/li>\n<\/ul>\n<h3><strong>5.2 \u5b66\u4e60\u5230\u7684\u6700\u4f73\u5b9e\u8df5<\/strong><\/h3>\n<p><strong>\u7c7b\u56fe\u5f00\u53d1\u65b9\u9762\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u4fdd\u6301\u7b80\u6d01\uff1a<\/strong>\u907f\u514d\u5728\u4e00\u4e2a\u56fe\u4e2d\u5305\u542b\u8fc7\u591a\u7c7b\u800c\u5bfc\u81f4\u8fc7\u5ea6\u590d\u6742\u5316<\/p>\n<\/li>\n<li>\n<p><strong>\u4f7f\u7528\u6709\u610f\u4e49\u7684\u540d\u79f0\uff1a<\/strong>\u7c7b\u548c\u5c5e\u6027\u540d\u79f0\u5e94\u53cd\u6620\u9886\u57df\u8bed\u8a00<\/p>\n<\/li>\n<li>\n<p><strong>\u8bb0\u5f55\u5173\u7cfb\uff1a<\/strong>\u660e\u786e\u6307\u5b9a\u591a\u91cd\u6027\u548c\u5173\u7cfb\u7c7b\u578b<\/p>\n<\/li>\n<li>\n<p><strong>\u8fed\u4ee3\uff1a<\/strong>\u968f\u7740\u5bf9\u9700\u6c42\u7406\u89e3\u7684\u52a0\u6df1\uff0c\u4e0d\u65ad\u4f18\u5316\u56fe<\/p>\n<\/li>\n<\/ol>\n<p><strong>\u5bf9\u8c61\u56fe\u5f00\u53d1\u65b9\u9762\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u9009\u62e9\u5177\u6709\u4ee3\u8868\u6027\u7684\u5b9e\u4f8b\uff1a<\/strong>\u9009\u62e9\u80fd\u4f53\u73b0\u5178\u578b\u60c5\u51b5\u548c\u8fb9\u754c\u60c5\u51b5\u7684\u5b9e\u4f8b<\/p>\n<\/li>\n<li>\n<p><strong>\u5305\u542b\u72b6\u6001\u4fe1\u606f\uff1a<\/strong>\u5c55\u793a\u63ed\u793a\u7cfb\u7edf\u884c\u4e3a\u7684\u5c5e\u6027\u503c<\/p>\n<\/li>\n<li>\n<p><strong>\u9a8c\u8bc1\u591a\u91cd\u6027\uff1a<\/strong>\u786e\u4fdd\u5bf9\u8c61\u5b9e\u4f8b\u9075\u5b88\u57fa\u6570\u7ea6\u675f<\/p>\n<\/li>\n<li>\n<p><strong>\u7528\u4e8e\u6c9f\u901a\uff1a<\/strong>\u5229\u7528\u5177\u4f53\u793a\u4f8b\u6765\u89e3\u91ca\u62bd\u8c61\u6982\u5ff5<\/p>\n<\/li>\n<\/ol>\n<p><strong>ER\u56fe\u5f00\u53d1\u65b9\u9762\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u9002\u5f53\u5730\u8fdb\u884c\u89c4\u8303\u5316\uff1a<\/strong>\u5728\u89c4\u8303\u5316\u4e0e\u6027\u80fd\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861<\/p>\n<\/li>\n<li>\n<p><strong>\u4e3a\u589e\u957f\u505a\u89c4\u5212\uff1a<\/strong>\u8bbe\u8ba1\u80fd\u591f\u9002\u5e94\u672a\u6765\u9700\u6c42\u7684\u6a21\u5f0f<\/p>\n<\/li>\n<li>\n<p><strong>\u5c3d\u65e9\u8003\u8651\u7d22\u5f15\uff1a<\/strong>\u5728\u8bbe\u8ba1\u9636\u6bb5\u8bc6\u522b\u67e5\u8be2\u6a21\u5f0f<\/p>\n<\/li>\n<li>\n<p><strong>\u8bb0\u5f55\u7ea6\u675f\uff1a<\/strong>\u5c06\u4e1a\u52a1\u89c4\u5219\u660e\u786e\u5730\u4f5c\u4e3a\u6570\u636e\u5e93\u7ea6\u675f\u8fdb\u884c\u8bf4\u660e<\/p>\n<\/li>\n<\/ol>\n<h3><strong>5.3 \u5e38\u89c1\u9677\u9631\u53ca\u907f\u514d\u65b9\u6cd5<\/strong><\/h3>\n<p><strong>\u9677\u96311\uff1a\u56fe\u4e4b\u95f4\u7684\u4e0d\u4e00\u81f4<\/strong><\/p>\n<ul>\n<li>\n<p><em>\u95ee\u9898\uff1a<\/em>\u7c7b\u56fe\u663e\u793a\u7684\u5173\u7cfb\u65e0\u6cd5\u8f6c\u5316\u4e3aER\u56fe<\/p>\n<\/li>\n<li>\n<p><em>\u89e3\u51b3\u65b9\u6848\uff1a<\/em>\u7ef4\u62a4\u4e00\u4e2a\u5c06\u7c7b\u4e0e\u5b9e\u4f53\u5173\u8054\u7684\u53ef\u8ffd\u6eaf\u6027\u77e9\u9635<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u9677\u96312\uff1a\u8fc7\u5ea6\u8bbe\u8ba1<\/strong><\/p>\n<ul>\n<li>\n<p><em>\u95ee\u9898\uff1a<\/em>\u4e3a\u7b80\u5355\u9700\u6c42\u521b\u5efa\u8fc7\u591a\u7684\u7c7b\/\u5b9e\u4f53<\/p>\n<\/li>\n<li>\n<p><em>\u89e3\u51b3\u65b9\u6848\uff1a<\/em>\u5e94\u7528YAGNI\uff08\u4f60\u4e0d\u4f1a\u9700\u8981\u5b83\uff09\u539f\u5219<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u9677\u96313\uff1a\u5ffd\u89c6\u6027\u80fd<\/strong><\/p>\n<ul>\n<li>\n<p><em>\u95ee\u9898\uff1a<\/em>\u5b8c\u5168\u89c4\u8303\u5316\u7684\u6a21\u5f0f\uff0c\u4f46\u67e5\u8be2\u6027\u80fd\u5dee<\/p>\n<\/li>\n<li>\n<p><em>\u89e3\u51b3\u65b9\u6848\uff1a<\/em>\u6839\u636e\u67e5\u8be2\u6a21\u5f0f\u6709\u7b56\u7565\u5730\u8fdb\u884c\u53cd\u89c4\u8303\u5316<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u9677\u96314\uff1a\u5ffd\u89c6\u5bf9\u8c61\u56fe<\/strong><\/p>\n<ul>\n<li>\n<p><em>\u95ee\u9898\uff1a<\/em>\u7c7b\u56fe\u770b\u8d77\u6765\u4e0d\u9519\uff0c\u4f46\u5728\u8fd0\u884c\u65f6\u5931\u8d25<\/p>\n<\/li>\n<li>\n<p><em>\u89e3\u51b3\u65b9\u6848\uff1a<\/em>\u5728\u5b9e\u73b0\u524d\u59cb\u7ec8\u4f7f\u7528\u5bf9\u8c61\u56fe\u8fdb\u884c\u9a8c\u8bc1<\/p>\n<\/li>\n<\/ul>\n<hr\/>\n<h2><strong>6. \u7ecf\u9a8c\u6559\u8bad<\/strong><\/h2>\n<h3><strong>6.1 \u6280\u672f\u6d1e\u5bdf<\/strong><\/h3>\n<ol>\n<li>\n<p><strong>\u5efa\u6a21\u662f\u8fed\u4ee3\u7684\uff1a<\/strong>\u6700\u521d\u7684\u7c7b\u56fe\u5728\u8fbe\u5230\u6700\u7ec8\u7248\u672c\u524d\u7ecf\u5386\u4e86\u4e03\u6b21\u4fee\u6539\u3002\u6bcf\u6b21\u8fed\u4ee3\u90fd\u63ed\u793a\u4e86\u65b0\u7684\u9700\u6c42\u6216\u6f84\u6e05\u4e86\u6a21\u7cca\u4e4b\u5904\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5bf9\u8c61\u56fe\u8282\u7701\u65f6\u95f4\uff1a<\/strong>\u5728\u8bbe\u8ba1\u9636\u6bb5\u521b\u5efa\u5bf9\u8c61\u56fe\uff0c\u9632\u6b62\u4e86\u4e09\u4e2a\u6f5c\u5728\u7f3a\u9677\u8fdb\u5165\u751f\u4ea7\u73af\u5883\uff0c\u9884\u8ba1\u8282\u7701\u4e8640\u5c0f\u65f6\u7684\u8c03\u8bd5\u65f6\u95f4\u3002<\/p>\n<\/li>\n<li>\n<p><strong>ER\u56fe\u8fde\u63a5\u56e2\u961f\uff1a<\/strong>ER\u56fe\u6210\u4e3a\u540e\u7aef\u5f00\u53d1\u4eba\u5458\u3001\u6570\u636e\u5e93\u7ba1\u7406\u5458\u548c\u524d\u7aef\u5f00\u53d1\u4eba\u5458\u4e4b\u95f4\u7684\u5171\u540c\u8bed\u8a00\uff0c\u9884\u8ba1\u51cf\u5c11\u4e8660%\u7684\u6c9f\u901a\u8bef\u89e3\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7ea6\u675f\u81f3\u5173\u91cd\u8981\uff1a<\/strong>\u5b9e\u65bdCHECK\u7ea6\u675f\u548c\u6b63\u786e\u7684\u5916\u952e\u5728\u6d4b\u8bd5\u4e2d\u9632\u6b62\u4e86\u6570\u636e\u635f\u574f\uff0c\u8bc1\u660e\u4e86\u6570\u636e\u5e93\u7ea7\u522b\u9a8c\u8bc1\u7684\u4ef7\u503c\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><strong>6.2 \u6d41\u7a0b\u6539\u8fdb<\/strong><\/h3>\n<ol>\n<li>\n<p><strong>\u65e9\u671f\u9a8c\u8bc1\uff1a<\/strong>\u5728\u7f16\u7801\u4e4b\u524d\u4f7f\u7528\u5bf9\u8c61\u56fe\u9a8c\u8bc1\u8bbe\u8ba1\uff0c\u4f7f\u8fd4\u5de5\u51cf\u5c11\u4e8635%<\/p>\n<\/li>\n<li>\n<p><strong>\u6587\u6863\uff1a<\/strong>\u5728\u6574\u4e2a\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u4fdd\u6301\u56fe\u8868\u540c\u6b65\uff0c\u5bf9\u65b0\u6210\u5458\u5165\u804c\u8d77\u5230\u4e86\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528<\/p>\n<\/li>\n<li>\n<p><strong>\u5de5\u5177\u9009\u62e9\uff1a<\/strong>\u4f7f\u7528Visual Paradigm\u521b\u5efa\u56fe\u8868\uff0c\u786e\u4fdd\u4e86\u4e00\u81f4\u6027\u5e76\u4fbf\u4e8e\u66f4\u65b0<\/p>\n<\/li>\n<li>\n<p><strong>\u5229\u76ca\u76f8\u5173\u8005\u53c2\u4e0e\uff1a<\/strong>\u5411\u975e\u6280\u672f\u5229\u76ca\u76f8\u5173\u8005\u5c55\u793a\u5bf9\u8c61\u56fe\uff0c\u63d0\u9ad8\u4e86\u9700\u6c42\u6536\u96c6\u7684\u51c6\u786e\u6027<\/p>\n<\/li>\n<\/ol>\n<h3><strong>6.3 \u53ef\u6269\u5c55\u6027\u8003\u8651<\/strong><\/h3>\n<p>\u5efa\u6a21\u8fc7\u7a0b\u63ed\u793a\u4e86\u82e5\u5e72\u53ef\u6269\u5c55\u6027\u9700\u6c42\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u7d22\u5f15\u7b56\u7565\uff1a<\/strong>\u8bc6\u522b\u51fa\u9700\u8981\u5728\uff08customer_id, order_date\uff09\u4e0a\u5efa\u7acb\u590d\u5408\u7d22\u5f15\uff0c\u4ee5\u9ad8\u6548\u67e5\u8be2\u8ba2\u5355\u5386\u53f2<\/p>\n<\/li>\n<li>\n<p><strong>\u5206\u533a\uff1a<\/strong>\u8ba4\u8bc6\u5230Order\u548cOrder_Product\u8868\u5c06\u5feb\u901f\u589e\u957f\uff0c\u5e94\u6309\u65e5\u671f\u8fdb\u884c\u5206\u533a<\/p>\n<\/li>\n<li>\n<p><strong>\u7f13\u5b58\uff1a<\/strong>\u5bf9\u8c61\u56fe\u63ed\u793a\u4e86\u9891\u7e41\u8bbf\u95ee\u7684\u4ea7\u54c1\u6570\u636e\uff0c\u9002\u5408\u8fdb\u884c\u7f13\u5b58<\/p>\n<\/li>\n<li>\n<p><strong>\u8bfb\u53d6\u526f\u672c\uff1a<\/strong>ER\u56fe\u5206\u6790\u663e\u793a\u4e86\u8bfb\u53d6\u5bc6\u96c6\u578b\u6a21\u5f0f\uff0c\u9002\u5408\u5b9e\u73b0\u8bfb\u53d6\u526f\u672c<\/p>\n<\/li>\n<\/ol>\n<hr\/>\n<h2><strong>7. \u7ed3\u8bba<\/strong><\/h2>\n<p>\u672c\u6848\u4f8b\u7814\u7a76\u901a\u8fc7\u7535\u5b50\u5546\u52a1\u5e73\u53f0\u9879\u76ee\uff0c\u5c55\u793a\u4e86\u5168\u9762\u5efa\u6a21\u5728\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u7684\u5173\u952e\u91cd\u8981\u6027\u3002\u901a\u8fc7\u7cfb\u7edf\u5730\u5e94\u7528\u7c7b\u56fe\u3001\u5bf9\u8c61\u56fe\u548cER\u56fe\uff0c\u5f00\u53d1\u56e2\u961f\u6210\u529f\u5730\u5c06\u62bd\u8c61\u7684\u4e1a\u52a1\u9700\u6c42\u8f6c\u5316\u4e3a\u5177\u4f53\u4e14\u53ef\u5b9e\u65bd\u7684\u7cfb\u7edf\u67b6\u6784\u3002<\/p>\n<p><strong>\u4e3b\u8981\u6536\u83b7\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u4e92\u8865\u5de5\u5177\uff1a<\/strong>\u7c7b\u56fe\u3001\u5bf9\u8c61\u56fe\u548cER\u56fe\u5e76\u975e\u76f8\u4e92\u7ade\u4e89\u7684\u65b9\u6cd5\u8bba\uff0c\u800c\u662f\u5f00\u53d1\u751f\u547d\u5468\u671f\u4e2d\u5404\u53f8\u5176\u804c\u7684\u4e92\u8865\u5de5\u5177\u3002\u7c7b\u56fe\u63d0\u4f9b\u67b6\u6784\u84dd\u56fe\uff0c\u5bf9\u8c61\u56fe\u901a\u8fc7\u5177\u4f53\u5b9e\u4f8b\u9a8c\u8bc1\u8bbe\u8ba1\uff0cER\u56fe\u5219\u67b6\u8d77\u4e86\u4e0e\u6570\u636e\u6301\u4e45\u5316\u4e4b\u95f4\u7684\u6865\u6881\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u65e9\u671f\u6295\u5165\u5e26\u6765\u56de\u62a5\uff1a<\/strong>\u5728\u8bbe\u8ba1\u9636\u6bb5\u6295\u5165\u65f6\u95f4\u521b\u5efa\u5168\u9762\u7684\u6a21\u578b\uff0c\u901a\u8fc7\u51cf\u5c11\u8fd4\u5de5\u3001\u964d\u4f4e\u7f3a\u9677\u6570\u91cf\u4ee5\u53ca\u63d0\u5347\u56e2\u961f\u6210\u5458\u95f4\u7684\u6c9f\u901a\u6e05\u6670\u5ea6\uff0c\u5e26\u6765\u4e86\u663e\u8457\u56de\u62a5\u3002\u9879\u76ee\u56e2\u961f\u4f30\u8ba1\uff0c\u5168\u9762\u5efa\u6a21\u4f7f\u6574\u4f53\u5f00\u53d1\u65f6\u95f4\u51cf\u5c11\u4e8625%\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9a8c\u8bc1\u81f3\u5173\u91cd\u8981\uff1a<\/strong>\u5bf9\u8c61\u56fe\u5728\u5b9e\u65bd\u524d\u53d1\u73b0\u8bbe\u8ba1\u7f3a\u9677\u65b9\u9762\u8bc1\u660e\u4e86\u5176\u4e0d\u53ef\u66ff\u4ee3\u7684\u4ef7\u503c\u3002\u80fd\u591f\u53ef\u89c6\u5316\u5177\u4f53\u5b9e\u4f8b\u53ca\u5176\u5173\u7cfb\uff0c\u63ed\u793a\u4e86\u8fb9\u7f18\u60c5\u51b5\u548c\u6f5c\u5728\u95ee\u9898\uff0c\u4ec5\u9760\u62bd\u8c61\u7684\u7c7b\u56fe\u96be\u4ee5\u8bc6\u522b\u8fd9\u4e9b\u5185\u5bb9\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u62bd\u8c61\u4e4b\u95f4\u7684\u4e00\u81f4\u6027\uff1a<\/strong>\u4fdd\u6301\u7c7b\u56fe\u4e0eER\u56fe\u4e4b\u95f4\u7684\u4e00\u81f4\u6027\uff0c\u786e\u4fdd\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u80fd\u987a\u5229\u8f6c\u5316\u4e3a\u5173\u7cfb\u578b\u6570\u636e\u5e93\u6a21\u5f0f\u3002\u8fd9\u79cd\u5bf9\u9f50\u907f\u514d\u4e86\u5e94\u7528\u4ee3\u7801\u4e0e\u6570\u636e\u5e93\u7ed3\u6784\u4e4b\u95f4\u5e38\u89c1\u7684\u963b\u6297\u5931\u914d\u95ee\u9898\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u901a\u8fc7\u8bbe\u8ba1\u5b9e\u73b0\u53ef\u6269\u5c55\u6027\uff1a<\/strong>\u5efa\u6a21\u8fc7\u7a0b\u81ea\u7136\u5730\u63ed\u793a\u4e86\u53ef\u6269\u5c55\u6027\u8003\u8651\uff0c\u4ece\u7d22\u5f15\u7b56\u7565\u5230\u7f13\u5b58\u673a\u4f1a\u3002\u901a\u8fc7\u5728\u8bbe\u8ba1\u9636\u6bb5\u800c\u975e\u90e8\u7f72\u540e\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u56e2\u961f\u4e3a\u7cfb\u7edf\u7684\u957f\u671f\u589e\u957f\u5960\u5b9a\u4e86\u57fa\u7840\u3002<\/p>\n<\/li>\n<\/ol>\n<p><strong>\u5c55\u671b\u672a\u6765\uff1a<\/strong><\/p>\n<p>\u968f\u7740\u8f6f\u4ef6\u7cfb\u7edf\u6301\u7eed\u53d8\u5f97\u8d8a\u6765\u8d8a\u590d\u6742\uff0c\u6709\u6761\u4e0d\u7d0a\u5730\u5e94\u7528\u5efa\u6a21\u6280\u672f\u53d8\u5f97\u6108\u53d1\u5173\u952e\u3002\u672c\u6848\u4f8b\u7814\u7a76\u8bf4\u660e\uff0c\u6210\u529f\u7684\u8f6f\u4ef6\u5f00\u53d1\u4e0d\u4ec5\u4ec5\u662f\u7f16\u5199\u4ee3\u7801\u2014\u2014\u66f4\u5728\u4e8e\u7cfb\u7edf\u6027\u601d\u8003\u3001\u9a8c\u8bc1\u5047\u8bbe\uff0c\u5e76\u5728\u6240\u6709\u5229\u76ca\u76f8\u5173\u8005\u4e4b\u95f4\u5efa\u7acb\u5171\u540c\u7684\u7406\u89e3\u3002<\/p>\n<p>\u5bf9\u4e8e\u5f00\u542f\u7c7b\u4f3c\u9879\u76ee\u7684\u5f00\u53d1\u4eba\u5458\uff0c\u6211\u4eec\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\n<p>\u4ece\u7c7b\u56fe\u5f00\u59cb\uff0c\u5efa\u7acb\u67b6\u6784\u57fa\u7840<\/p>\n<\/li>\n<li>\n<p>\u901a\u8fc7\u5bf9\u8c61\u56fe\u8fdb\u884c\u9a8c\u8bc1\uff0c\u786e\u4fdd\u5b9e\u9645\u53ef\u884c\u6027<\/p>\n<\/li>\n<li>\n<p>\u8f6c\u6362\u4e3aER\u56fe\uff0c\u4ee5\u5b9e\u73b0\u7a33\u5065\u7684\u6570\u636e\u6301\u4e45\u5316<\/p>\n<\/li>\n<li>\n<p>\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u6301\u7eed\u8fed\u4ee3\uff0c\u4ee5\u9002\u5e94\u9700\u6c42\u7684\u53d8\u5316<\/p>\n<\/li>\n<li>\n<p>\u5c06\u56fe\u8868\u4f5c\u4e3a\u968f\u4ee3\u7801\u5e93\u4e0d\u65ad\u6f14\u8fdb\u7684\u52a8\u6001\u6587\u6863\u8fdb\u884c\u7ef4\u62a4<\/p>\n<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u91c7\u7eb3\u8fd9\u4e9b\u5efa\u6a21\u5b9e\u8df5\uff0c\u5f00\u53d1\u56e2\u961f\u4e0d\u4ec5\u80fd\u6784\u5efa\u51fa\u529f\u80fd\u5b8c\u5907\u7684\u7cfb\u7edf\uff0c\u8fd8\u80fd\u786e\u4fdd\u5176\u53ef\u7ef4\u62a4\u6027\u3001\u53ef\u6269\u5c55\u6027\uff0c\u5e76\u4e0e\u4e1a\u52a1\u76ee\u6807\u4fdd\u6301\u4e00\u81f4\u3002\u7535\u5b50\u5546\u52a1\u5e73\u53f0\u7684\u6848\u4f8b\u7814\u7a76\u5145\u5206\u8bc1\u660e\u4e86\u6df1\u601d\u719f\u8651\u7684\u8bbe\u8ba1\u529b\u91cf\uff0c\u4ee5\u53ca\u89c6\u89c9\u5efa\u6a21\u5728\u8f6f\u4ef6\u5de5\u7a0b\u4e2d\u6301\u4e45\u7684\u4ef7\u503c\u3002<\/p>\n<hr\/>\n<h2><strong>8. \u53c2\u8003\u6587\u732e\u4e0e\u5ef6\u4f38\u9605\u8bfb<\/strong><\/h2>\n<ol>\n<li>\n<p>\u5bf9\u8c61\u7ba1\u7406\u7ec4. (2017). \u7edf\u4e00\u5efa\u6a21\u8bed\u8a00\uff08UML\uff09\u7248\u672c2.5.1<\/p>\n<\/li>\n<li>\n<p>\u9648\u5e73\u5e73. (1976). \u5b9e\u4f53-\u5173\u7cfb\u6a21\u578b\u2014\u2014\u8fc8\u5411\u6570\u636e\u7edf\u4e00\u89c6\u56fe<\/p>\n<\/li>\n<li>\n<p>\u4f3d\u9a6c, E. \u7b49. (1994). \u8bbe\u8ba1\u6a21\u5f0f\uff1a\u53ef\u91cd\u7528\u9762\u5411\u5bf9\u8c61\u8f6f\u4ef6\u7684\u5143\u7d20<\/p>\n<\/li>\n<li>\n<p>\u798f\u52d2, M. (2003). UML\u7cbe\u7cb9\uff1a\u6807\u51c6\u5bf9\u8c61\u5efa\u6a21\u8bed\u8a00\u7b80\u660e\u6307\u5357<\/p>\n<\/li>\n<li>\n<p>Visual Paradigm\u793e\u533a\u5708. (2023). \u56fe\u8868\u7ed8\u5236\u6700\u4f73\u5b9e\u8df5\u6307\u5357<\/p>\n<\/li>\n<\/ol>\n<hr\/>\n<p class=\"\"><em>\u672c\u6848\u4f8b\u7814\u7a76\u8868\u660e\uff0c\u4ece\u6982\u5ff5\u5230\u4ee3\u7801\u7684\u65c5\u7a0b\u5e76\u975e\u4e00\u6761\u76f4\u7ebf\uff0c\u800c\u662f\u5728\u591a\u4e2a\u62bd\u8c61\u5c42\u6b21\u4e0a\u9010\u6b65\u63a8\u8fdb\u7684\u6df1\u601d\u719f\u8651\u8fc7\u7a0b\u3002\u901a\u8fc7\u638c\u63e1\u7c7b\u56fe\u3001\u5bf9\u8c61\u56fe\u548cER\u56fe\uff0c\u8f6f\u4ef6\u5f00\u53d1\u4eba\u5458\u5c06\u83b7\u5f97\u81ea\u4fe1\u3001\u6e05\u6670\u4e14\u7cbe\u51c6\u5730\u9a7e\u9a6d\u8fd9\u4e00\u8fc7\u7a0b\u7684\u5de5\u5177\u3002<br \/>\n<\/em><\/p>\n<h3><em><br \/>\n\u53c2\u8003\u6587\u732e<br \/>\n<\/em><\/h3>\n<ol>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/mastering-structural-modeling-a-complete-guide-to-class-diagrams-object-diagrams-and-er-diagrams-in-software-design\/\"><strong>\u638c\u63e1\u7ed3\u6784\u5316\u5efa\u6a21\uff1a\u8f6f\u4ef6\u8bbe\u8ba1\u4e2d\u7c7b\u56fe\u3001\u5bf9\u8c61\u56fe\u4e0eER\u56fe\u7684\u5b8c\u6574\u6307\u5357<\/strong><\/a>\uff1a\u4e00\u672c\u6df1\u5165\u6307\u5357\uff0c\u89e3\u91ca\u5728\u8f6f\u4ef6\u8bbe\u8ba1\u4e0e\u5efa\u6a21\u80cc\u666f\u4e0b\uff0c\u7c7b\u56fe\u3001\u5bf9\u8c61\u56fe\u4e0e\u5b9e\u4f53-\u5173\u7cfb\uff08ER\uff09\u56fe\u4e4b\u95f4\u7684\u5dee\u5f02\u4e0e\u5173\u7cfb\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/VPGallery\/\"><strong>Visual Paradigm\u56fe\u5e93<\/strong><\/a>\uff1a\u4e00\u4e2a\u5728\u7ebf\u56fe\u5e93\uff0c\u5c55\u793a\u4f7f\u7528Visual Paradigm\u8f6f\u4ef6\u521b\u5efa\u7684\u5404\u79cd\u56fe\u8868\u793a\u4f8b\u3001\u6a21\u677f\u548c\u5e94\u7528\u573a\u666f\uff0c\u4ee5\u6f14\u793a\u5efa\u6a21\u7684\u6700\u4f73\u5b9e\u8df5\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/tutorials\/generatecdfromerd.jsp\"><strong>\u4eceER\u56fe\u751f\u6210\u7c7b\u56fe<\/strong><\/a>\uff1a\u4e00\u4e2a\u6559\u7a0b\uff0c\u6f14\u793a\u5982\u4f55\u4ece\u5b9e\u4f53-\u5173\u7cfb\uff08ER\uff09\u56fe\u4e2d\u9006\u5411\u5de5\u7a0b\u6216\u76f4\u63a5\u751f\u6210UML\u7c7b\u56fe\uff0c\u4ee5\u5f25\u5408\u6570\u636e\u5efa\u6a21\u4e0e\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u4e4b\u95f4\u7684\u5dee\u8ddd\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/3563\/3564\/85446_synchronizin.html\"><strong>\u5728Visual Paradigm\u4e2d\u540c\u6b65\u6a21\u578b<\/strong><\/a>\uff1a\u7528\u6237\u6307\u5357\u6587\u6863\uff0c\u89e3\u91ca\u5982\u4f55\u5728Visual Paradigm\u73af\u5883\u4e2d\u4fdd\u6301\u4e0d\u540c\u56fe\u7c7b\u578b\uff08\u5982ER\u56fe\u4e0e\u7c7b\u56fe\uff09\u4e4b\u95f4\u7684\u4e00\u81f4\u6027\uff0c\u5e76\u540c\u6b65\u66f4\u6539\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/VPGallery\/orm\/ERDiagramAndClassDiagramSynchronization.html\"><strong>ER\u56fe\u4e0e\u7c7b\u56fe\u540c\u6b65<\/strong><\/a>\uff1a\u4e00\u4e2a\u4e13\u95e8\u7684\u6307\u5357\u6216\u56fe\u5e93\u6761\u76ee\uff0c\u805a\u7126\u4e8e\u5b9e\u4f53-\u5173\u7cfb\u56fe\u4e0eUML\u7c7b\u56fe\u4e4b\u95f4\u7684\u540c\u6b65\u529f\u80fd\uff0c\u7a81\u51fa\u8bf4\u660e\u4e00\u4e2a\u6a21\u578b\u4e2d\u7684\u66f4\u65b0\u5982\u4f55\u4f20\u9012\u5230\u53e6\u4e00\u4e2a\u6a21\u578b\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/uml-class-diagram-tutorial\/\"><strong>UML\u7c7b\u56fe\u6559\u7a0b<\/strong><\/a>\uff1a\u4e00\u4e2a\u5168\u9762\u7684\u6559\u7a0b\uff0c\u8bb2\u89e3\u5982\u4f55\u521b\u5efa\u548c\u7406\u89e3UML\u7c7b\u56fe\uff0c\u6db5\u76d6\u7c7b\u3001\u5c5e\u6027\u3001\u65b9\u6cd5\u4ee5\u53ca\u5173\u8054\u3001\u7ee7\u627f\u548c\u7ec4\u5408\u7b49\u5173\u7cfb\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2576_classdiagram.html\"><strong>\u7c7b\u56fe\u6982\u8ff0\uff08\u7528\u6237\u6307\u5357\uff09<\/strong><\/a>: \u5b98\u65b9\u7528\u6237\u6307\u5357\u6587\u6863\uff0c\u6982\u8ff0\u4e86Visual Paradigm\u4e2d\u7684\u7c7b\u56fe\u529f\u80fd\uff0c\u5305\u62ec\u5982\u4f55\u7ed8\u5236\u3001\u7f16\u8f91\u548c\u81ea\u5b9a\u4e49\u7c7b\u53ca\u5176\u6784\u9020\u578b\u3002<\/li>\n<li><a 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