{"id":11145,"date":"2026-06-03T14:17:14","date_gmt":"2026-06-03T06:17:14","guid":{"rendered":"https:\/\/www.archimetric.com\/tw\/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\/tw\/a-comprehensive-case-study-on-modeling-e-commerce-systems-using-class-object-and-er-diagrams\/","title":{"rendered":"\u4f7f\u7528\u985e\u5225\u3001\u7269\u4ef6\u8207ER\u5716\u5f62\u5c0d\u96fb\u5546\u7cfb\u7d71\u9032\u884c\u5efa\u6a21\u7684\u7d9c\u5408\u6848\u4f8b\u7814\u7a76"},"content":{"rendered":"<h2><strong>\u5f15\u8a00<\/strong><\/h2>\n<p>\u5728\u7576\u4eca\u5feb\u901f\u6f14\u8b8a\u7684\u6578\u4f4d\u74b0\u5883\u4e2d\uff0c\u8edf\u9ad4\u958b\u767c\u5c08\u6848\u7684\u6210\u529f\u53d6\u6c7a\u65bc\u7d30\u7dfb\u7684\u898f\u5283\u8207\u7a69\u5065\u7684\u67b6\u69cb\u8a2d\u8a08\u3002\u5728\u64b0\u5beb\u4efb\u4f55\u7a0b\u5f0f\u78bc\u4e4b\u524d\uff0c\u958b\u767c\u4eba\u54e1\u5fc5\u9808\u5efa\u7acb\u5168\u9762\u7684\u6a21\u578b\uff0c\u4ee5\u6355\u6349\u4ed6\u5011\u6240\u8981\u5efa\u69cb\u7cfb\u7d71\u7684\u975c\u614b\u7d50\u69cb\u3001\u52d5\u614b\u884c\u70ba\u4ee5\u53ca\u8cc7\u6599\u95dc\u4fc2\u3002\u9019\u6b63\u662f\u5efa\u6a21\u5716\u5f62\u6210\u70ba\u8edf\u9ad4\u5de5\u7a0b\u5e2b\u4e0d\u53ef\u6216\u7f3a\u5de5\u5177\u7684\u539f\u56e0\u3002<\/p>\n<p>\u5728\u773e\u591a\u53ef\u7528\u7684\u5efa\u6a21\u6280\u8853\u4e2d\uff0c\u985e\u5225\u5716\u3001\u7269\u4ef6\u5716\u8207\u5be6\u9ad4\u95dc\u4fc2\uff08ER\uff09\u5716\u5c24\u70ba\u7a81\u51fa\uff0c\u662f\u53ef\u8996\u5316\u8207\u8a2d\u8a08\u7269\u4ef6\u5c0e\u5411\u7cfb\u7d71\u7684\u57fa\u672c\u5de5\u5177\u3002\u6bcf\u4e00\u7a2e\u5716\u5f62\u90fd\u6709\u5176\u7368\u7279\u7528\u9014\uff1a\u985e\u5225\u5716\u63d0\u4f9b\u7cfb\u7d71\u67b6\u69cb\u7684\u85cd\u5716\uff0c\u7269\u4ef6\u5716\u5448\u73fe\u57f7\u884c\u6642\u671f\u5be6\u4f8b\u7684\u5feb\u7167\uff0c\u800cER\u5716\u5247\u5f4c\u88dc\u4e86\u6982\u5ff5\u8a2d\u8a08\u8207\u8cc7\u6599\u5eab\u5be6\u4f5c\u4e4b\u9593\u7684\u5dee\u8ddd\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\u900f\u904e\u958b\u767c\u4e00\u500b\u771f\u5be6\u4e16\u754c\u7684\u96fb\u5546\u5e73\u53f0\uff0c\u63a2\u8a0e\u9019\u4e09\u7a2e\u5716\u5f62\u985e\u578b\u7684\u5be6\u969b\u61c9\u7528\u3002\u900f\u904e\u5b8c\u6574\u5efa\u6a21\u6d41\u7a0b\u7684\u9010\u6b65\u8aaa\u660e\u2014\u2014\u5f9e\u6700\u521d\u7684\u7cfb\u7d71\u9700\u6c42\u8490\u96c6\u5230\u8cc7\u6599\u5eab\u7d50\u69cb\u7522\u751f\u2014\u2014\u6211\u5011\u5c55\u793a\u9019\u4e9b\u5716\u5f62\u5982\u4f55\u5354\u540c\u904b\u4f5c\uff0c\u4ee5\u5efa\u7acb\u4e00\u500b\u6574\u5408\u6027\u3001\u53ef\u64f4\u5c55\u4e14\u6613\u65bc\u7dad\u8b77\u7684\u8edf\u9ad4\u7cfb\u7d71\u3002\u7121\u8ad6\u60a8\u662f\u8cc7\u6df1\u67b6\u69cb\u5e2b\u6216\u521d\u5b78\u958b\u767c\u8005\uff0c\u672c\u5168\u9762\u6027\u7684\u63a2\u8a0e\u5c07\u63ed\u793a\u8996\u89ba\u5316\u5efa\u6a21\u5728\u5c07\u62bd\u8c61\u9700\u6c42\u8f49\u5316\u70ba\u5177\u9ad4\u53ef\u884c\u89e3\u6c7a\u65b9\u6848\u4e2d\u7684\u95dc\u9375\u4f5c\u7528\u3002<\/p>\n<hr\/>\n<h2><strong>\u76ee\u9304<\/strong><\/h2>\n<ol>\n<li>\n<p>\u57f7\u884c\u6458\u8981<\/p>\n<\/li>\n<li>\n<p>\u5c08\u6848\u80cc\u666f\u8207\u9700\u6c42<\/p>\n<\/li>\n<li>\n<p>\u7406\u89e3\u5efa\u6a21\u5de5\u5177<\/p>\n<ul>\n<li>\n<p>3.1 \u985e\u5225\u5716\u8207\u7269\u4ef6\u5716\u7684\u6bd4\u8f03<\/p>\n<\/li>\n<li>\n<p>3.2 \u985e\u5225\u5716\u8207ER\u5716\u7684\u6bd4\u8f03<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6848\u4f8b\u7814\u7a76\uff1a\u96fb\u5546\u5e73\u53f0\u958b\u767c<\/p>\n<ul>\n<li>\n<p>4.1 \u7cfb\u7d71\u9700\u6c42\u5206\u6790<\/p>\n<\/li>\n<li>\n<p>4.2 \u958b\u767c\u985e\u5225\u5716<\/p>\n<\/li>\n<li>\n<p>4.3 \u70ba\u9a57\u8b49\u800c\u5efa\u7acb\u7269\u4ef6\u5716<\/p>\n<\/li>\n<li>\n<p>4.4 \u8a2d\u8a08ER\u5716<\/p>\n<\/li>\n<li>\n<p>4.5 \u8cc7\u6599\u5eab\u7d50\u69cb\u7522\u751f<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6bd4\u8f03\u5206\u6790\u8207\u6700\u4f73\u5be6\u52d9<\/p>\n<\/li>\n<li>\n<p>\u7d93\u9a57\u6559\u8a13<\/p>\n<\/li>\n<li>\n<p>\u7d50\u8ad6<\/p>\n<\/li>\n<li>\n<p>\u53c3\u8003\u6587\u737b<\/p>\n<\/li>\n<\/ol>\n<hr\/>\n<h2><strong>1. \u57f7\u884c\u6458\u8981<\/strong><\/h2>\n<p>\u672c\u6848\u4f8b\u7814\u7a76\u8a18\u9304\u4e86\u4e00\u500b\u96f6\u552e\u96fb\u5546\u5e73\u53f0\u7684\u5b8c\u6574\u5efa\u6a21\u751f\u547d\u9031\u671f\uff0c\u5c55\u73fe\u4e86UML\u985e\u5225\u5716\u3001\u7269\u4ef6\u5716\u8207\u5be6\u9ad4\u95dc\u4fc2\u5716\u7684\u6230\u7565\u6027\u61c9\u7528\u3002\u8a72\u5c08\u6848\u9700\u8981\u4e00\u500b\u53ef\u64f4\u5c55\u4e14\u5b89\u5168\u7684\u7cfb\u7d71\uff0c\u80fd\u5920\u8655\u7406\u5ba2\u6236\u5e33\u6236\u3001\u7522\u54c1\u76ee\u9304\u8207\u8a02\u55ae\u7ba1\u7406\uff0c\u4e26\u652f\u63f4\u9ad8\u4f75\u767c\u4f7f\u7528\u8005\u8ca0\u8f09\u3002<\/p>\n<p>\u900f\u904e\u7cfb\u7d71\u6027\u7684\u5efa\u6a21\uff0c\u958b\u767c\u5718\u968a\u6210\u529f\u9054\u6210\uff1a<\/p>\n<ul>\n<li>\n<p>\u8b58\u5225\u6838\u5fc3\u5be6\u9ad4\u53ca\u5176\u95dc\u4fc2<\/p>\n<\/li>\n<li>\n<p>\u900f\u904e\u5be6\u4f8b\u5efa\u6a21\u9a57\u8b49\u8a2d\u8a08\u6c7a\u7b56<\/p>\n<\/li>\n<li>\n<p>\u5c07\u6982\u5ff5\u6a21\u578b\u8f49\u63db\u70ba\u53ef\u57f7\u884c\u7684\u8cc7\u6599\u5eab\u7d50\u69cb<\/p>\n<\/li>\n<li>\n<p>\u78ba\u4fdd\u7269\u4ef6\u5c0e\u5411\u8a2d\u8a08\u8207\u8cc7\u6599\u6301\u4e45\u5316\u5c64\u4e4b\u9593\u7684\u4e00\u81f4\u6027<\/p>\n<\/li>\n<\/ul>\n<p>\u672c\u6587\u6240\u63d0\u51fa\u7684\u4f5c\u6cd5\u8207\u6d1e\u5bdf\uff0c\u53ef\u4f5c\u70ba\u985e\u4f3c\u8edf\u9ad4\u958b\u767c\u5c08\u6848\u7684\u53ef\u91cd\u8907\u61c9\u7528\u6846\u67b6\u3002<\/p>\n<hr\/>\n<h2><strong>2. \u5c08\u6848\u80cc\u666f\u8207\u9700\u6c42<\/strong><\/h2>\n<h3><strong>2.1 \u5ba2\u6236\u6982\u6cc1<\/strong><\/h3>\n<p>\u4e00\u5bb6\u4e2d\u578b\u96f6\u552e\u516c\u53f8\u5e0c\u671b\u900f\u904e\u63a8\u51fa\u5168\u9762\u7684\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4f86\u64f4\u5927\u5176\u5e02\u5834\u5f71\u97ff\u529b\u3002\u73fe\u6709\u7684\u5be6\u9ad4\u5e97\u9762\u696d\u52d9\u9700\u8981\u9032\u884c\u6578\u4f4d\u8f49\u578b\uff0c\u4ee5\u5728\u7dda\u4e0a\u5e02\u5834\u4e2d\u4fdd\u6301\u7af6\u722d\u529b\u3002<\/p>\n<h3><strong>2.2 \u5546\u696d\u76ee\u6a19<\/strong><\/h3>\n<ul>\n<li>\n<p>\u8b93\u5ba2\u6236\u80fd\u5920\u5168\u5929\u5019\u7dda\u4e0a\u700f\u89bd\u7522\u54c1<\/p>\n<\/li>\n<li>\n<p>\u4fc3\u9032\u5b89\u5168\u7684\u7dda\u4e0a\u8cfc\u8cb7<\/p>\n<\/li>\n<li>\n<p>\u63d0\u4f9b\u5ba2\u6236\u5e33\u6236\u7ba1\u7406\u529f\u80fd<\/p>\n<\/li>\n<li>\n<p>\u7dad\u6301\u5b8c\u6574\u7684\u8a02\u55ae\u6b77\u53f2\u8a18\u9304<\/p>\n<\/li>\n<li>\n<p>\u78ba\u4fdd\u7cfb\u7d71\u5177\u5099\u672a\u4f86\u6210\u9577\u6240\u9700\u7684\u53ef\u64f4\u5c55\u6027<\/p>\n<\/li>\n<li>\n<p>\u652f\u63f4\u6578\u5343\u540d\u540c\u6642\u5728\u7dda\u4f7f\u7528\u8005<\/p>\n<\/li>\n<\/ul>\n<h3><strong>2.3 \u6280\u8853\u9700\u6c42<\/strong><\/h3>\n<p><strong>\u529f\u80fd\u9700\u6c42\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528\u8005\u8a3b\u518a\u8207\u9a57\u8b49<\/p>\n<\/li>\n<li>\n<p>\u5177\u5099\u641c\u5c0b\u8207\u7be9\u9078\u529f\u80fd\u7684\u7522\u54c1\u76ee\u9304<\/p>\n<\/li>\n<li>\n<p>\u8cfc\u7269\u8eca\u529f\u80fd<\/p>\n<\/li>\n<li>\n<p>\u8a02\u55ae\u4e0b\u55ae\u8207\u8ffd\u8e64<\/p>\n<\/li>\n<li>\n<p>\u652f\u4ed8\u8655\u7406\u6574\u5408<\/p>\n<\/li>\n<li>\n<p>\u5ba2\u6236\u8cc7\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\u904b\u4f5c\u6642\u9593\uff09<\/p>\n<\/li>\n<li>\n<p>\u56de\u61c9\u6642\u9593\u4f4e\u65bc 2 \u79d2<\/p>\n<\/li>\n<li>\n<p>\u5b89\u5168\u7684\u8cc7\u6599\u5132\u5b58\u8207\u50b3\u8f38<\/p>\n<\/li>\n<li>\n<p>\u53ef\u64f4\u5c55\u7684\u67b6\u69cb<\/p>\n<\/li>\n<li>\n<p>\u53ef\u7dad\u8b77\u7684\u7a0b\u5f0f\u78bc\u57fa\u790e<\/p>\n<\/li>\n<\/ul>\n<hr\/>\n<h2><strong>3. \u7406\u89e3\u5efa\u6a21\u5de5\u5177<\/strong><\/h2>\n<h3><strong>3.1 \u985e\u5716\u8207\u7269\u4ef6\u5716\uff1a\u7406\u89e3\u5169\u8005\u7684\u5dee\u7570<\/strong><\/h3>\n<p>\u985e\u5716\u8207\u7269\u4ef6\u5716\u90fd\u662f\u7269\u4ef6\u5c0e\u5411\u8edf\u9ad4\u958b\u767c\u4e2d\u4f7f\u7528\u7684 UML \u5716\u8868\u985e\u578b\u3002\u96d6\u7136\u5b83\u5011\u6709\u4e00\u4e9b\u76f8\u4f3c\u4e4b\u8655\uff0c\u4f46\u5169\u8005\u4e4b\u9593\u5b58\u5728\u986f\u8457\u5dee\u7570\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>\u985e\u5716\uff1a<\/strong><br \/>\n\u985e\u5716\u7528\u65bc\u8868\u793a\u8edf\u9ad4\u7cfb\u7d71\u7684\u975c\u614b\u7d50\u69cb\uff0c\u5c55\u793a\u985e\u5225\u3001\u5176\u5c6c\u6027\u4ee5\u53ca\u8207\u5176\u4ed6\u985e\u5225\u7684\u95dc\u4fc2\u3002\u5b83\u662f\u7cfb\u7d71\u7684\u85cd\u5716\uff0c\u8aaa\u660e\u4e0d\u540c\u7d44\u4ef6\u5982\u4f55\u76f8\u4e92\u914d\u5408\u3002\u985e\u5716\u901a\u5e38\u5728\u958b\u767c\u521d\u671f\u5efa\u7acb\uff0c\u4ee5\u5354\u52a9\u8a2d\u8a08\u7cfb\u7d71\u67b6\u69cb\u3002<\/p>\n<p><strong>\u7269\u4ef6\u5716\uff1a<\/strong><br \/>\n\u53e6\u4e00\u65b9\u9762\uff0c\u7269\u4ef6\u5716\u7528\u65bc\u8868\u793a\u67d0\u4e00\u6642\u523b\u67d0\u500b\u985e\u5225\u7684\u7279\u5b9a\u5be6\u4f8b\u3002\u5b83\u986f\u793a\u7cfb\u7d71\u4e2d\u7684\u5be6\u969b\u7269\u4ef6\u53ca\u5176\u76f8\u4e92\u95dc\u4fc2\u3002\u7269\u4ef6\u5716\u6709\u52a9\u65bc\u7406\u89e3\u7cfb\u7d71\u4e2d\u4e0d\u540c\u7269\u4ef6\u4e4b\u9593\u7684\u4e92\u52d5\u65b9\u5f0f\uff0c\u4e5f\u53ef\u7528\u65bc\u8abf\u8a66\u7cfb\u7d71\u7684\u7279\u5b9a\u5be6\u4f8b\u3002<\/p>\n<p><strong>\u4e3b\u8981\u5dee\u7570\uff1a<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u65b9\u9762<\/th>\n<th>\u985e\u5716<\/th>\n<th>\u7269\u4ef6\u5716<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u7bc4\u570d<\/strong><\/td>\n<td>\u986f\u793a\u6574\u500b\u7cfb\u7d71\u7684\u7d50\u69cb<\/td>\n<td>\u5c08\u6ce8\u65bc\u7cfb\u7d71\u7684\u7279\u5b9a\u5be6\u4f8b<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7d30\u7bc0\u5c64\u7d1a<\/strong><\/td>\n<td>\u7cfb\u7d71\u7684\u9ad8\u968e\u8996\u5716<\/td>\n<td>\u7279\u5b9a\u5be6\u4f8b\u7684\u8a73\u7d30\u8996\u5716<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6642\u9593<\/strong><\/td>\n<td>\u5728\u958b\u767c\u521d\u671f\u5efa\u7acb\uff1b\u7528\u65bc\u67b6\u69cb\u8a2d\u8a08<\/td>\n<td>\u5728\u5f8c\u671f\u5efa\u7acb\uff1b\u7528\u65bc\u9664\u932f\u548c\u6e2c\u8a66<\/td>\n<\/tr>\n<tr>\n<td><strong>\u95dc\u4fc2<\/strong><\/td>\n<td>\u986f\u793a\u985e\u5225\u4e4b\u9593\u7684\u95dc\u4fc2<\/td>\n<td>\u986f\u793a\u7269\u4ef6\u4e4b\u9593\u7684\u95dc\u4fc2<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7b26\u865f\u8868\u793a\u6cd5<\/strong><\/td>\n<td>\u985e\u5225\u540d\u7a31\uff08\u62bd\u8c61\uff09<\/td>\n<td>\u5177\u6709\u5177\u9ad4\u503c\u7684\u7269\u4ef6\u540d\u7a31\uff08\u5177\u9ad4\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><strong>3.2 \u985e\u5716\u8207ER\u5716\u7684\u6bd4\u8f03\uff1a\u7406\u89e3\u5dee\u7570\u8207\u4f7f\u7528\u60c5\u5883<\/strong><\/h3>\n<p>\u985e\u5716\u8207\u5be6\u9ad4\u95dc\u4fc2\uff08ER\uff09\u5716\u662f\u8edf\u9ad4\u958b\u767c\u4e2d\u5e38\u7528\u7684\u5169\u7a2e\u5716\u8868\uff0c\u7528\u65bc\u8868\u793a\u7cfb\u7d71\u7684\u7d50\u69cb\u3002\u96d6\u7136\u5b83\u5011\u6709\u4e00\u4e9b\u76f8\u4f3c\u4e4b\u8655\uff0c\u4f46\u7528\u9014\u4e0d\u540c\u3002<\/p>\n<p><strong>\u985e\u5716\uff1a<\/strong><br \/>\n\u7528\u65bc\u8868\u793a\u8edf\u9ad4\u7cfb\u7d71\u7684\u975c\u614b\u7d50\u69cb\uff0c\u5448\u73fe\u985e\u5225\u3001\u5176\u5c6c\u6027\u4ee5\u53ca\u8207\u5176\u4ed6\u985e\u5225\u7684\u95dc\u4fc2\u3002\u4e3b\u8981\u7528\u65bc\u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\u4e2d\uff0c\u4ee5\u8a2d\u8a08\u7cfb\u7d71\u7684\u7d50\u69cb\u3002<\/p>\n<p><strong>ER\u5716\uff1a<\/strong><br \/>\n\u7528\u65bc\u8868\u793a\u7cfb\u7d71\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u5448\u73fe\u5be6\u9ad4\u3001\u5176\u5c6c\u6027\u4ee5\u53ca\u5f7c\u6b64\u4e4b\u9593\u7684\u95dc\u4fc2\u3002\u4e3b\u8981\u7528\u65bc\u8cc7\u6599\u5eab\u8a2d\u8a08\u4e2d\uff0c\u4ee5\u6a21\u64ec\u7cfb\u7d71\u4e2d\u5c07\u5132\u5b58\u7684\u8cc7\u6599\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>\u4e3b\u8981\u5dee\u7570\uff1a<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u65b9\u9762<\/th>\n<th>\u985e\u5716<\/th>\n<th>ER\u5716<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u76ee\u7684<\/strong><\/td>\n<td>\u8868\u793a\u8edf\u9ad4\u7cfb\u7d71\u7d50\u69cb<\/td>\n<td>\u8868\u793a\u8cc7\u6599\u5eab\u7cfb\u7d71\u7d50\u69cb<\/td>\n<\/tr>\n<tr>\n<td><strong>\u62bd\u8c61\u5c64\u7d1a<\/strong><\/td>\n<td>\u66f4\u62bd\u8c61\uff1b\u8457\u91cd\u65bc\u7cfb\u7d71\u8a2d\u8a08<\/td>\n<td>\u66f4\u5177\u9ad4\uff1b\u8457\u91cd\u65bc\u8cc7\u6599\u5132\u5b58<\/td>\n<\/tr>\n<tr>\n<td><strong>\u95dc\u4fc2<\/strong><\/td>\n<td>\u986f\u793a\u985e\u5225\u4e4b\u9593\u7684\u95dc\u4fc2<\/td>\n<td>\u986f\u793a\u5be6\u9ad4\u4e4b\u9593\u7684\u95dc\u4fc2<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5c6c\u6027<\/strong><\/td>\n<td>\u986f\u793a\u985e\u5225\u7684\u5c6c\u6027\uff08\u5305\u542b\u65b9\u6cd5\uff09<\/td>\n<td>\u986f\u793a\u5be6\u9ad4\u7684\u5c6c\u6027\uff08\u50c5\u8cc7\u6599\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4e3b\u8981\u7528\u9014<\/strong><\/td>\n<td>\u7269\u4ef6\u5c0e\u5411\u7cfb\u7d71\u8a2d\u8a08<\/td>\n<td>\u8cc7\u6599\u5eab\u8a2d\u8a08<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr\/>\n<h2><strong>4. \u5be6\u4f8b\u7814\u7a76\uff1a\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u958b\u767c<\/strong><\/h2>\n<h3><strong>4.1 \u7cfb\u7d71\u9700\u6c42\u5206\u6790<\/strong><\/h3>\n<p>\u958b\u767c\u5718\u968a\u9032\u884c\u4e86\u5ee3\u6cdb\u7684\u5229\u76ca\u76f8\u95dc\u8005\u8a2a\u8ac7\u8207\u9700\u6c42\u6536\u96c6\u6703\u8b70\u3002\u8b58\u5225\u51fa\u7684\u4e3b\u8981\u5be6\u9ad4\u5305\u62ec\uff1a<\/p>\n<p><strong>\u4e3b\u8981\u5be6\u9ad4\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u9867\u5ba2<\/strong>\u00a0\u2013 \u8a3b\u518a\u4e26\u9032\u884c\u8cfc\u8cb7\u7684\u4f7f\u7528\u8005<\/p>\n<\/li>\n<li>\n<p><strong>\u7522\u54c1<\/strong>\u00a0\u2013 \u53ef\u92b7\u552e\u7684\u9805\u76ee<\/p>\n<\/li>\n<li>\n<p><strong>\u8a02\u55ae<\/strong>\u00a0\u2013 \u7531\u9867\u5ba2\u555f\u52d5\u7684\u4ea4\u6613<\/p>\n<\/li>\n<li>\n<p><strong>\u8a02\u55ae\u660e\u7d30<\/strong>\u00a0\u2013 \u8a02\u55ae\u4e2d\u7684\u660e\u7d30\u9805\u76ee<\/p>\n<\/li>\n<\/ol>\n<p><strong>\u95dc\u9375\u95dc\u4fc2\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u4e00\u4f4d\u9867\u5ba2\u53ef\u4e0b\u591a\u7b46\u8a02\u55ae\uff081:N\uff09<\/p>\n<\/li>\n<li>\n<p>\u4e00\u7b46\u8a02\u55ae\u53ef\u5305\u542b\u591a\u9805\u7522\u54c1\uff08M:N\uff09<\/p>\n<\/li>\n<li>\n<p>\u4e00\u9805\u7522\u54c1\u53ef\u51fa\u73fe\u5728\u591a\u7b46\u8a02\u55ae\u4e2d\uff08M:N\uff09<\/p>\n<\/li>\n<\/ul>\n<h3><strong>4.2 \u958b\u767c\u985e\u5716<\/strong><\/h3>\n<p>\u985e\u5716\u63d0\u4f9b\u4e86\u7269\u4ef6\u5c0e\u5411\u7cfb\u7d71\u4e2d\u985e\u5225\u53ca\u5176\u95dc\u4fc2\u7684\u6574\u9ad4\u6982\u89bd\u3002\u5728\u6211\u5011\u7684\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4e2d\uff0c\u8b58\u5225\u51fa\u7684\u985e\u5225\u5305\u62ec\u5ba2\u6236\u3001\u7522\u54c1\u548c\u8a02\u55ae\uff0c\u6bcf\u500b\u985e\u5225\u90fd\u6709\u5176\u5c0d\u61c9\u7684\u5c6c\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>\u985e\u5225\u898f\u683c\uff1a<\/strong><\/p>\n<p><strong>\u5ba2\u6236\u985e\u5225\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u5c6c\u6027\uff1a<\/strong>\u00a0customerId\u3001name\u3001email\u3001password\u3001phoneNumber\u3001address<\/p>\n<\/li>\n<li>\n<p><strong>\u65b9\u6cd5\uff1a<\/strong>\u00a0register()\u3001login()\u3001updateProfile()\u3001viewOrderHistory()<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u7522\u54c1\u985e\u5225\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u5c6c\u6027\uff1a<\/strong>\u00a0productId\u3001name\u3001description\u3001price\u3001stockQuantity\u3001category<\/p>\n<\/li>\n<li>\n<p><strong>\u65b9\u6cd5\uff1a<\/strong>\u00a0getProductDetails()\u3001updateStock()\u3001calculateDiscount()<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u8a02\u55ae\u985e\u5225\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u5c6c\u6027\uff1a<\/strong>\u00a0orderId\u3001orderDate\u3001totalPrice\u3001status\u3001shippingAddress<\/p>\n<\/li>\n<li>\n<p><strong>\u65b9\u6cd5\uff1a<\/strong>\u00a0placeOrder()\u3001cancelOrder()\u3001trackOrder()\u3001calculateTotal()<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u8b58\u5225\u51fa\u7684\u95dc\u4fc2\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u95dc\u806f\uff08\u5ba2\u6236 \u2194 \u8a02\u55ae\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u4e00\u5c0d\u591a\u95dc\u4fc2<\/p>\n<\/li>\n<li>\n<p>\u4e00\u4f4d\u5ba2\u6236\u53ef\u4ee5\u4e0b\u591a\u7b46\u8a02\u55ae<\/p>\n<\/li>\n<li>\n<p>\u57fa\u6578\uff1a1..*<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u95dc\u806f\uff08\u8a02\u55ae \u2194 \u7522\u54c1\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u591a\u5c0d\u591a\u95dc\u4fc2<\/p>\n<\/li>\n<li>\n<p>\u4e00\u7b46\u8a02\u55ae\u5305\u542b\u591a\u9805\u7522\u54c1<\/p>\n<\/li>\n<li>\n<p>\u4e00\u500b\u7522\u54c1\u53ef\u4ee5\u51fa\u73fe\u5728\u591a\u7b46\u8a02\u55ae\u4e2d<\/p>\n<\/li>\n<li>\n<p>\u9700\u8981\u4e2d\u7e7c\u985e\u5225\uff1aOrderProduct<\/p>\n<\/li>\n<li>\n<p>\u57fa\u6578\uff1a<em>..<\/em><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u805a\u5408\uff08\u8a02\u55ae \u2192 \u8a02\u55ae\u9805\u76ee\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u8a02\u55ae\u5305\u542b\u8a02\u55ae\u9805\u76ee<\/p>\n<\/li>\n<li>\n<p>\u8a02\u55ae\u9805\u76ee\u53ef\u4ee5\u7368\u7acb\u5b58\u5728<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u7d44\u5408\uff08\u8a02\u55ae\u9805\u76ee \u2192 \u7522\u54c1\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u8a02\u55ae\u660e\u7d30\u9805\u76ee\u8207\u7522\u54c1\u4e4b\u9593\u7684\u5f37\u95dc\u4fc2<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>\u61c9\u7528\u7684UML\u95dc\u4fc2\u985e\u578b\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u95dc\u806f\uff1a<\/strong>\u5ba2\u6236\u8207\u8a02\u55ae\u4e4b\u9593\u7684\u57fa\u672c\u95dc\u4fc2<\/p>\n<\/li>\n<li>\n<p><strong>\u805a\u5408\uff1a<\/strong>\u8a02\u55ae\u300c\u64c1\u6709\u300d\u8a02\u55ae\u9805\u76ee\uff08\u7a7a\u5fc3\u83f1\u5f62\uff09<\/p>\n<\/li>\n<li>\n<p><strong>\u7d44\u5408\uff1a<\/strong>\u8a02\u55ae\u9805\u76ee\u5f37\u70c8\u5f15\u7528\u7522\u54c1\uff08\u5be6\u5fc3\u83f1\u5f62\uff09<\/p>\n<\/li>\n<li>\n<p><strong>\u4f9d\u8cf4\uff1a<\/strong>\u8a02\u55ae\u4f9d\u8cf4\u7522\u54c1\u4ee5\u53d6\u5f97\u5b9a\u50f9\u8cc7\u8a0a\uff08\u865b\u7dda\u7bad\u982d\uff09<\/p>\n<\/li>\n<\/ul>\n<h3><strong>4.3 \u70ba\u9a57\u8b49\u800c\u5efa\u7acb\u7269\u4ef6\u5716<\/strong><\/h3>\n<p>\u96d6\u7136\u985e\u5716\u63d0\u4f9b\u4e86\u85cd\u5716\uff0c\u4f46\u5718\u968a\u9700\u8981\u900f\u904e\u5177\u9ad4\u7bc4\u4f8b\u4f86\u9a57\u8b49\u8a2d\u8a08\u3002\u56e0\u6b64\u5efa\u7acb\u4e86\u7269\u4ef6\u5716\uff0c\u4ee5\u5448\u73fe\u7279\u5b9a\u6642\u523b\u7684\u5177\u9ad4\u5be6\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>\u5be6\u4f8b\u7bc4\u4f8b\uff1a<\/strong><\/p>\n<p><strong>\u5ba2\u6236\u7269\u4ef6\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u5ba2\u6236ID\uff1aC12345<\/p>\n<\/li>\n<li>\n<p>\u59d3\u540d\uff1a\u300cJohn Smith\u300d<\/p>\n<\/li>\n<li>\n<p>\u96fb\u5b50\u90f5\u4ef6\uff1a\u300cjohn.smith@email.com\u300d<\/p>\n<\/li>\n<li>\n<p>\u96fb\u8a71\u865f\u78bc\uff1a\u300c+1-555-0123\u300d<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u8a02\u55ae\u7269\u4ef6\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u8a02\u55aeID\uff1aORD-2024-001<\/p>\n<\/li>\n<li>\n<p>\u8a02\u55ae\u65e5\u671f\uff1a\u300c2024-01-15T10:30:00\u300d<\/p>\n<\/li>\n<li>\n<p>\u7e3d\u91d1\u984d\uff1a299.97<\/p>\n<\/li>\n<li>\n<p>\u72c0\u614b\uff1a\u300c\u8655\u7406\u4e2d\u300d<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u7522\u54c1\u7269\u4ef6\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p>\u7522\u54c1 1\uff1a<\/p>\n<ul>\n<li>\n<p>\u7522\u54c1ID\uff1aP001<\/p>\n<\/li>\n<li>\n<p>\u540d\u7a31\uff1a\u300c\u7121\u7dda\u8033\u6a5f\u300d<\/p>\n<\/li>\n<li>\n<p>\u50f9\u683c\uff1a79.99<\/p>\n<\/li>\n<li>\n<p>\u6578\u91cf\uff1a2<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7522\u54c1 2\uff1a<\/p>\n<ul>\n<li>\n<p>\u7522\u54c1ID\uff1aP045<\/p>\n<\/li>\n<li>\n<p>\u540d\u7a31\uff1a\u300cUSB-C \u7dda\u6750\u300d<\/p>\n<\/li>\n<li>\n<p>\u50f9\u683c\uff1a19.99<\/p>\n<\/li>\n<li>\n<p>\u6578\u91cf\uff1a1<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7522\u54c1 3\uff1a<\/p>\n<ul>\n<li>\n<p>\u7522\u54c1ID\uff1aP128<\/p>\n<\/li>\n<li>\n<p>\u540d\u7a31\uff1a\u300c\u624b\u6a5f\u6bbc\u300d<\/p>\n<\/li>\n<li>\n<p>\u50f9\u683c\uff1a24.99<\/p>\n<\/li>\n<li>\n<p>\u6578\u91cf\uff1a5<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>\u9a57\u8b49\u6d1e\u5bdf\uff1a<\/strong><\/p>\n<p>\u7269\u4ef6\u5716\u63ed\u793a\u4e86\u5e7e\u500b\u91cd\u8981\u7684\u8003\u91cf\u4e8b\u9805\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u8cc7\u6599\u5b8c\u6574\u6027\uff1a<\/strong>\u00a0\u78ba\u8a8d\u6240\u6709\u5fc5\u8981\u5c6c\u6027\u90fd\u5177\u6709\u9069\u7576\u7684\u503c<\/p>\n<\/li>\n<li>\n<p><strong>\u95dc\u4fc2\u5c0e\u822a\uff1a<\/strong>\u00a0\u78ba\u8a8d\u7269\u4ef6\u80fd\u5920\u6b63\u78ba\u5730\u904d\u6b77\u95dc\u4fc2<\/p>\n<\/li>\n<li>\n<p><strong>\u591a\u91cd\u6027\u9a57\u8b49\uff1a<\/strong>\u00a0\u78ba\u8a8d\u4e00\u4f4d\u5ba2\u6236\u78ba\u5be6\u53ef\u4ee5\u64c1\u6709\u591a\u4e2a\u8a02\u55ae<\/p>\n<\/li>\n<li>\n<p><strong>\u72c0\u614b\u8868\u793a\uff1a<\/strong>\u00a0\u986f\u793a\u7cfb\u7d71\u5728\u7279\u5b9a\u6642\u9593\u9ede\u7684\u72c0\u614b\uff08\u8a02\u55ae\u5df2\u4e0b\u9054\u4f46\u5c1a\u672a\u767c\u8ca8\uff09<\/p>\n<\/li>\n<\/ol>\n<p><strong>\u9664\u932f\u6548\u76ca\uff1a<\/strong><\/p>\n<p>\u5728\u6e2c\u8a66\u671f\u9593\uff0c\u7269\u4ef6\u5716\u5354\u52a9\u8b58\u5225\u51fa\uff1a<\/p>\n<ul>\n<li>\n<p>\u7f3a\u5c11\u5c0d\u53ef\u9078\u5c6c\u6027\u7684\u7a7a\u503c\u6aa2\u67e5<\/p>\n<\/li>\n<li>\n<p>\u5eab\u5b58\u6578\u91cf\u66f4\u65b0\u4e2d\u53ef\u80fd\u51fa\u73fe\u7684\u7af6\u722d\u689d\u4ef6<\/p>\n<\/li>\n<li>\n<p>\u8a02\u55ae\u7e3d\u91d1\u984d\u8a08\u7b97\u4e2d\u7684\u4e0d\u4e00\u81f4<\/p>\n<\/li>\n<\/ul>\n<h3><strong>4.4 \u8a2d\u8a08\u5be6\u9ad4\u95dc\u4fc2\u5716<\/strong><\/h3>\n<p>\u5728\u7269\u4ef6\u5c0e\u5411\u8a2d\u8a08\u7372\u5f97\u9a57\u8b49\u5f8c\uff0c\u5718\u968a\u8f49\u5411\u4f7f\u7528\u5be6\u9ad4\u95dc\u4fc2\u5716\u9032\u884c\u8cc7\u6599\u5eab\u8a2d\u8a08\u3002\u6b64\u5716\u5c07\u4f5c\u70ba\u95dc\u4fc2\u8cc7\u6599\u5eab\u7d50\u69cb\u7684\u85cd\u5716\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>\u5be6\u9ad4\u898f\u683c\uff1a<\/strong><\/p>\n<p><strong>\u5ba2\u6236\u5be6\u9ad4\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u4e3b\u8981\u9375\uff1a<\/strong>\u00a0customer_id<\/p>\n<\/li>\n<li>\n<p><strong>\u5c6c\u6027\uff1a<\/strong>\u00a0name, email, password (\u5df2\u96dc\u6e4a), phone_number, address, created_at<\/p>\n<\/li>\n<li>\n<p><strong>\u7d04\u675f\uff1a<\/strong>\u00a0email \u552f\u4e00\uff0c\u95dc\u9375\u6b04\u4f4d\u4e0d\u53ef\u70ba\u7a7a<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u7522\u54c1\u5be6\u9ad4\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u4e3b\u8981\u9375\uff1a<\/strong>\u00a0product_id<\/p>\n<\/li>\n<li>\n<p><strong>\u5c6c\u6027\uff1a<\/strong>\u00a0name, description, price, stock_quantity, category, sku<\/p>\n<\/li>\n<li>\n<p><strong>\u7d04\u675f\uff1a<\/strong>\u00a0price &gt; 0, stock_quantity &gt;= 0<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u8a02\u55ae\u5be6\u9ad4\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u4e3b\u8981\u9375\uff1a<\/strong>\u00a0order_id<\/p>\n<\/li>\n<li>\n<p><strong>\u5916\u4f86\u9375\uff1a<\/strong>\u00a0customer_id \u2192 \u5ba2\u6236<\/p>\n<\/li>\n<li>\n<p><strong>\u5c6c\u6027\uff1a<\/strong>\u00a0order_date, total_price, status, shipping_address, payment_method<\/p>\n<\/li>\n<li>\n<p><strong>\u7d04\u675f\uff1a<\/strong>\u00a0status IN (\u2018\u5f85\u8655\u7406\u2019, \u2018\u8655\u7406\u4e2d\u2019, \u2018\u5df2\u51fa\u8ca8\u2019, \u2018\u5df2\u9001\u9054\u2019, \u2018\u5df2\u53d6\u6d88\u2019)<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u8a02\u55ae-\u7522\u54c1\u95dc\u806f\u5be6\u9ad4\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u8907\u5408\u4e3b\u8981\u9375\uff1a<\/strong>\u00a0(order_id, product_id)<\/p>\n<\/li>\n<li>\n<p><strong>\u5916\u4f86\u9375\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>order_id \u2192 \u8a02\u55ae<\/p>\n<\/li>\n<li>\n<p>product_id \u2192 \u7522\u54c1<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u5c6c\u6027\uff1a<\/strong>\u00a0\u6578\u91cf\uff0c\u55ae\u50f9\uff08\u8cfc\u8cb7\u6642\u7684\u5feb\u7167\uff09<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u95dc\u4fc2\u57fa\u6578\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u5ba2\u6236\u81f3\u8a02\u55ae\uff1a<\/strong>\u00a01:N\uff08\u4e00\u5c0d\u591a\uff09<\/p>\n<ul>\n<li>\n<p>\u4e00\u4f4d\u5ba2\u6236\u53ef\u4ee5\u4e0b\u591a\u7b46\u8a02\u55ae<\/p>\n<\/li>\n<li>\n<p>\u6bcf\u7b46\u8a02\u55ae\u50c5\u5c6c\u65bc\u4e00\u4f4d\u5ba2\u6236<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u8a02\u55ae\u81f3\u7522\u54c1\uff1a<\/strong>\u00a0M:N\uff08\u591a\u5c0d\u591a\uff09<\/p>\n<ul>\n<li>\n<p>\u900f\u904e Order_Product \u95dc\u806f\u8868\u683c\u89e3\u6c7a<\/p>\n<\/li>\n<li>\n<p>\u8a18\u9304\u8cfc\u8cb7\u6642\u7684\u6578\u91cf\u8207\u50f9\u683c<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>ER\u5716\u8207\u985e\u5716\u7684\u4e00\u81f4\u6027\uff1a<\/strong><\/p>\n<p>\u5718\u968a\u78ba\u4fdd\u985e\u5716\u8207ER\u5716\u4e4b\u9593\u7684\u4e00\u81f4\u6027\uff1a<\/p>\n<ul>\n<li>\n<p>\u6bcf\u500b\u985e\u5225\u5c0d\u61c9\u4e00\u500b\u5be6\u9ad4<\/p>\n<\/li>\n<li>\n<p>\u5c6c\u6027\u88ab\u4fdd\u7559\uff08ER\u5716\u4e2d\u6392\u9664\u65b9\u6cd5\uff09<\/p>\n<\/li>\n<li>\n<p>\u95dc\u4fc2\u88ab\u8f49\u63db\u70ba\u5916\u9375<\/p>\n<\/li>\n<li>\n<p>\u57fa\u6578\u95dc\u4fc2\u88ab\u7dad\u6301<\/p>\n<\/li>\n<\/ul>\n<h3><strong>4.5 \u8cc7\u6599\u5eab\u7d50\u69cb\u6a21\u5f0f\u7522\u751f<\/strong><\/h3>\n<p>\u6839\u64da\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\uff0c\u5718\u968a\u5efa\u7acb\u4e86\u4e00\u500b\u5b8c\u6574\u7684\u8cc7\u6599\u5eab\u7d50\u69cb\u6a21\u5f0f\uff0c\u4ee5\u5448\u73fe\u8cc7\u6599\u5eab\u7684\u908f\u8f2f\u7d50\u69cb\u3002<\/p>\n<p><strong>SQL\u7d50\u69cb\u6a21\u5f0f\u5be6\u4f5c\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\u6236\u8868\u683c\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-- \u7522\u54c1\u8868\u683c\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-- \u8a02\u55ae\u8868\u683c\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\u8655\u7406', '\u8655\u7406\u4e2d', '\u5df2\u51fa\u8ca8', '\u5df2\u9001\u9054', '\u5df2\u53d6\u6d88') DEFAULT '\u5f85\u8655\u7406',\r\n    shipping_address TEXT NOT NULL,\r\n    payment_method VARCHAR(50),\r\n    payment_status ENUM('\u5f85\u8655\u7406', '\u5df2\u5b8c\u6210', '\u5931\u6557', '\u5df2\u9000\u6b3e') DEFAULT '\u5f85\u8655\u7406',\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-- \u8a02\u55ae-\u7522\u54c1\u95dc\u806f\u8868\u683c\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\u65bc\u53ef\u64f4\u5c55\u6027\u7684\u984d\u5916\u652f\u63f4\u8868\u683c\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>\u7d50\u69cb\u8a2d\u8a08\u6c7a\u7b56\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u8cc7\u6599\u985e\u578b\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528 DECIMAL \u985e\u578b\u8655\u7406\u91d1\u9322\u6578\u503c\uff0c\u4ee5\u907f\u514d\u6d6e\u9ede\u6578\u7cbe\u78ba\u5ea6\u554f\u984c<\/p>\n<\/li>\n<li>\n<p>\u5c0d\u72c0\u614b\u6b04\u4f4d\u5be6\u4f5c ENUM \u985e\u578b\uff0c\u4ee5\u78ba\u4fdd\u8cc7\u6599\u5b8c\u6574\u6027<\/p>\n<\/li>\n<li>\n<p>\u65b0\u589e GENERATED \u6b04\u4f4d\uff0c\u4ee5\u81ea\u52d5\u8a08\u7b97\u5c0f\u8a08<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u7d04\u675f\u689d\u4ef6\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528 CHECK \u7d04\u675f\u9632\u6b62\u8ca0\u6578\u50f9\u683c\u8207\u6578\u91cf<\/p>\n<\/li>\n<li>\n<p>\u5916\u9375\u7d04\u675f\u642d\u914d\u9069\u7576\u7684 ON DELETE \u884c\u70ba<\/p>\n<\/li>\n<li>\n<p>\u5c0d\u96fb\u5b50\u90f5\u4ef6\u8207 SKU \u52a0\u4e0a UNIQUE \u7d04\u675f\uff0c\u4ee5\u78ba\u4fdd\u8cc7\u6599\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\u7d93\u5e38\u67e5\u8a62\u7684\u6b04\u4f4d\uff08email\u3001customer_id\u3001order_date\uff09\u4e0a\u5efa\u7acb\u7d22\u5f15<\/p>\n<\/li>\n<li>\n<p>\u70ba\u7522\u54c1\u641c\u5c0b\u529f\u80fd\u65b0\u589e FULLTEXT \u7d22\u5f15<\/p>\n<\/li>\n<li>\n<p>\u91dd\u5c0d\u5e38\u898b\u67e5\u8a62\u6a21\u5f0f\u5efa\u7acb\u8907\u5408\u7d22\u5f15<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u7a3d\u6838\u8ffd\u8e64\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u5728\u6240\u6709\u8cc7\u6599\u8868\u4e2d\u65b0\u589e created_at \u548c updated_at \u6642\u6233<\/p>\n<\/li>\n<li>\n<p>\u5efa\u7acb Order_History \u8cc7\u6599\u8868\u4ee5\u8ffd\u8e64\u8a02\u55ae\u72c0\u614b\u8b8a\u66f4<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>\u7bc4\u4f8b\u8cc7\u6599\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\u7bc4\u4f8b\u5ba2\u6236\r\nINSERT INTO Customer (name, email, password_hash, phone_number, address)\r\nVALUES ('\u7d04\u7ff0\u00b7\u53f2\u5bc6\u65af', 'john.smith@email.com', '$2b$12$...', '+1-555-0123', '123 \u4e3b\u8857\uff0c\u57ce\u5e02\uff0c\u5dde 12345');\r\n\r\n-- \u63d2\u5165\u7bc4\u4f8b\u7522\u54c1\r\nINSERT INTO Product (name, description, price, stock_quantity, category, sku)\r\nVALUES \r\n('\u7121\u7dda\u8033\u6a5f', '\u9ad8\u968e\u964d\u566a\u8033\u6a5f', 79.99, 150, '\u96fb\u5b50\u7522\u54c1', 'WH-001'),\r\n('USB-C \u7dda\u7e9c', '6\u82f1\u5c3a\u7de8\u7e54\u5145\u96fb\u7dda', 19.99, 500, '\u914d\u4ef6', 'UC-045'),\r\n('\u624b\u6a5f\u6bbc', '\u4fdd\u8b77\u6027\u77fd\u81a0\u6bbc', 24.99, 300, '\u914d\u4ef6', 'PC-128');\r\n\r\n-- \u63d2\u5165\u7bc4\u4f8b\u8a02\u55ae\r\nINSERT INTO `Order` (customer_id, total_price, status, shipping_address, payment_method)\r\nVALUES (1, 299.97, '\u8655\u7406\u4e2d', '123 \u4e3b\u8857\uff0c\u57ce\u5e02\uff0c\u5dde 12345', '\u4fe1\u7528\u5361');\r\n\r\n-- \u63d2\u5165\u8a02\u55ae\u9805\u76ee\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. \u6bd4\u8f03\u5206\u6790\u8207\u6700\u4f73\u5be6\u52d9<\/strong><\/h2>\n<h3><strong>5.1 \u6bcf\u7a2e\u5716\u8868\u985e\u578b\u7684\u4f7f\u7528\u6642\u6a5f<\/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>\u985e\u5225\u5716 \u2013 \u4f7f\u7528\u6642\u6a5f\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u8a2d\u8a08\u7269\u4ef6\u5c0e\u5411\u7cfb\u7d71\u7684\u6574\u9ad4\u67b6\u69cb<\/p>\n<\/li>\n<li>\n<p>\u5411\u958b\u767c\u5718\u968a\u50b3\u9054\u7cfb\u7d71\u7d50\u69cb<\/p>\n<\/li>\n<li>\n<p>\u898f\u5283\u7e7c\u627f\u5c64\u6b21\u7d50\u69cb\u8207\u591a\u578b\u884c\u70ba<\/p>\n<\/li>\n<li>\n<p>\u8a18\u9304\u516c\u958b\u7684 API \u8207\u4ecb\u9762<\/p>\n<\/li>\n<li>\n<p>\u5be6\u4f5c\u958b\u59cb\u524d\u7684\u65e9\u671f\u8a2d\u8a08\u968e\u6bb5<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u7269\u4ef6\u5716 \u2013 \u4f7f\u7528\u6642\u6a5f\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u4ee5\u5177\u9ad4\u7bc4\u4f8b\u9a57\u8b49\u985e\u5225\u5716\u8a2d\u8a08<\/p>\n<\/li>\n<li>\n<p>\u9664\u932f\u7279\u5b9a\u57f7\u884c\u6642\u671f\u60c5\u5883<\/p>\n<\/li>\n<li>\n<p>\u6e2c\u8a66\u908a\u754c\u60c5\u6cc1\u8207\u908a\u754c\u689d\u4ef6<\/p>\n<\/li>\n<li>\n<p>\u5411\u5229\u5bb3\u95dc\u4fc2\u4eba\u5c55\u793a\u7cfb\u7d71\u884c\u70ba<\/p>\n<\/li>\n<li>\n<p>\u8a18\u9304\u7279\u5b9a\u7cfb\u7d71\u72c0\u614b\u4ee5\u5229\u6545\u969c\u6392\u9664<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u5be6\u9ad4\u95dc\u4fc2\u5716 \u2013 \u4f7f\u7528\u6642\u6a5f\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u8a2d\u8a08\u8cc7\u6599\u5eab\u7d50\u69cb<\/p>\n<\/li>\n<li>\n<p>\u898f\u5283\u8cc7\u6599\u6301\u4e45\u5316\u7b56\u7565<\/p>\n<\/li>\n<li>\n<p>\u900f\u904e\u9069\u7576\u7684\u6b63\u898f\u5316\u512a\u5316\u8cc7\u6599\u5eab\u6548\u80fd<\/p>\n<\/li>\n<li>\n<p>\u5411\u8cc7\u6599\u5eab\u7ba1\u7406\u54e1\u50b3\u9054\u8cc7\u6599\u9700\u6c42<\/p>\n<\/li>\n<li>\n<p>\u5f9e\u820a\u7cfb\u7d71\u9077\u79fb<\/p>\n<\/li>\n<\/ul>\n<h3><strong>5.2 \u5b78\u7fd2\u5230\u7684\u6700\u4f73\u5be6\u52d9<\/strong><\/h3>\n<p><strong>\u5f9e\u985e\u5716\u958b\u767c\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u4fdd\u6301\u7c21\u55ae\uff1a<\/strong>\u907f\u514d\u5728\u4e00\u500b\u5716\u4e2d\u52a0\u5165\u904e\u591a\u7684\u985e\u800c\u4f7f\u8a2d\u8a08\u904e\u65bc\u8907\u96dc<\/p>\n<\/li>\n<li>\n<p><strong>\u4f7f\u7528\u6709\u610f\u7fa9\u7684\u540d\u7a31\uff1a<\/strong>\u985e\u548c\u5c6c\u6027\u7684\u540d\u7a31\u61c9\u53cd\u6620\u9818\u57df\u8a9e\u8a00<\/p>\n<\/li>\n<li>\n<p><strong>\u8a18\u9304\u95dc\u4fc2\uff1a<\/strong>\u660e\u78ba\u6307\u5b9a\u591a\u91cd\u6027\u548c\u95dc\u4fc2\u985e\u578b<\/p>\n<\/li>\n<li>\n<p><strong>\u8fed\u4ee3\uff1a<\/strong>\u96a8\u8457\u5c0d\u9700\u6c42\u7406\u89e3\u7684\u52a0\u6df1\uff0c\u4e0d\u65b7\u512a\u5316\u5716\u8868<\/p>\n<\/li>\n<\/ol>\n<p><strong>\u5f9e\u7269\u4ef6\u5716\u958b\u767c\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u9078\u64c7\u5177\u6709\u4ee3\u8868\u6027\u7684\u5be6\u4f8b\uff1a<\/strong>\u9078\u64c7\u80fd\u5c55\u793a\u5178\u578b\u60c5\u6cc1\u548c\u908a\u754c\u60c5\u6cc1\u7684\u7269\u4ef6<\/p>\n<\/li>\n<li>\n<p><strong>\u5305\u542b\u72c0\u614b\u8cc7\u8a0a\uff1a<\/strong>\u986f\u793a\u80fd\u63ed\u793a\u7cfb\u7d71\u884c\u70ba\u7684\u5c6c\u6027\u503c<\/p>\n<\/li>\n<li>\n<p><strong>\u9a57\u8b49\u591a\u91cd\u6027\uff1a<\/strong>\u78ba\u4fdd\u7269\u4ef6\u5be6\u4f8b\u9075\u5b88\u57fa\u6578\u7d04\u675f<\/p>\n<\/li>\n<li>\n<p><strong>\u7528\u65bc\u6e9d\u901a\uff1a<\/strong>\u5229\u7528\u5177\u9ad4\u7bc4\u4f8b\u4f86\u89e3\u91cb\u62bd\u8c61\u6982\u5ff5<\/p>\n<\/li>\n<\/ol>\n<p><strong>\u5f9e\u5be6\u9ad4\u95dc\u4fc2\u5716\u958b\u767c\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u9069\u7576\u5730\u9032\u884c\u898f\u7bc4\u5316\uff1a<\/strong>\u5728\u898f\u7bc4\u5316\u8207\u6548\u80fd\u4e4b\u9593\u53d6\u5f97\u5e73\u8861<\/p>\n<\/li>\n<li>\n<p><strong>\u898f\u5283\u6210\u9577\uff1a<\/strong>\u8a2d\u8a08\u80fd\u5bb9\u7d0d\u672a\u4f86\u9700\u6c42\u7684\u8cc7\u6599\u7d50\u69cb<\/p>\n<\/li>\n<li>\n<p><strong>\u76e1\u65e9\u8003\u616e\u7d22\u5f15\uff1a<\/strong>\u5728\u8a2d\u8a08\u968e\u6bb5\u8b58\u5225\u67e5\u8a62\u6a21\u5f0f<\/p>\n<\/li>\n<li>\n<p><strong>\u8a18\u9304\u7d04\u675f\uff1a<\/strong>\u660e\u78ba\u5c07\u696d\u52d9\u898f\u5247\u6307\u5b9a\u70ba\u8cc7\u6599\u5eab\u7d04\u675f<\/p>\n<\/li>\n<\/ol>\n<h3><strong>5.3 \u5e38\u898b\u9677\u9631\u53ca\u5176\u907f\u514d\u65b9\u6cd5<\/strong><\/h3>\n<p><strong>\u9677\u9631 1\uff1a\u5716\u8868\u4e4b\u9593\u7684\u4e0d\u4e00\u81f4<\/strong><\/p>\n<ul>\n<li>\n<p><em>\u554f\u984c\uff1a<\/em>\u985e\u5225\u5716\u986f\u793a\u4e86\u7121\u6cd5\u8f49\u63db\u70ba\u5be6\u9ad4\u95dc\u4fc2\u5716\u7684\u95dc\u4fc2<\/p>\n<\/li>\n<li>\n<p><em>\u89e3\u6c7a\u65b9\u6848\uff1a<\/em>\u7dad\u6301\u8ffd\u8e64\u77e9\u9663\uff0c\u5c07\u985e\u5225\u8207\u5be6\u9ad4\u9023\u7d50<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u9677\u9631 2\uff1a\u904e\u5ea6\u8a2d\u8a08<\/strong><\/p>\n<ul>\n<li>\n<p><em>\u554f\u984c\uff1a<\/em>\u70ba\u7c21\u55ae\u7684\u9700\u6c42\u5275\u5efa\u904e\u591a\u7684\u985e\u5225\/\u5be6\u9ad4<\/p>\n<\/li>\n<li>\n<p><em>\u89e3\u6c7a\u65b9\u6848\uff1a<\/em>\u61c9\u7528 YAGNI\uff08\u4f60\u4e0d\u6703\u9700\u8981\u5b83\uff09\u539f\u5247<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u9677\u9631 3\uff1a\u5ffd\u7565\u6548\u80fd<\/strong><\/p>\n<ul>\n<li>\n<p><em>\u554f\u984c\uff1a<\/em>\u5b8c\u5168\u898f\u7bc4\u5316\u7684\u7d50\u69cb\u537b\u6709\u4e0d\u4f73\u7684\u67e5\u8a62\u6548\u80fd<\/p>\n<\/li>\n<li>\n<p><em>\u89e3\u6c7a\u65b9\u6848\uff1a<\/em>\u6839\u64da\u67e5\u8a62\u6a21\u5f0f\uff0c\u6709\u7b56\u7565\u5730\u53d6\u6d88\u898f\u7bc4\u5316<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u9677\u9631 4\uff1a\u5ffd\u7565\u7269\u4ef6\u5716<\/strong><\/p>\n<ul>\n<li>\n<p><em>\u554f\u984c\uff1a<\/em>\u985e\u5225\u5716\u770b\u8d77\u4f86\u826f\u597d\uff0c\u4f46\u5728\u57f7\u884c\u6642\u671f\u537b\u5931\u6557<\/p>\n<\/li>\n<li>\n<p><em>\u89e3\u6c7a\u65b9\u6848\uff1a<\/em>\u5728\u5be6\u4f5c\u524d\uff0c\u7e3d\u662f\u4f7f\u7528\u7269\u4ef6\u5716\u9032\u884c\u9a57\u8b49<\/p>\n<\/li>\n<\/ul>\n<hr\/>\n<h2><strong>6. \u7d93\u9a57\u6559\u8a13<\/strong><\/h2>\n<h3><strong>6.1 \u6280\u8853\u6d1e\u5bdf<\/strong><\/h3>\n<ol>\n<li>\n<p><strong>\u6a21\u578b\u5efa\u7acb\u662f\u8fed\u4ee3\u7684\uff1a<\/strong>\u6700\u521d\u7684\u985e\u5225\u5716\u5728\u9054\u5230\u6700\u7d42\u7248\u672c\u524d\u7d93\u6b77\u4e86\u4e03\u6b21\u4fee\u6539\u3002\u6bcf\u6b21\u8fed\u4ee3\u90fd\u63ed\u793a\u4e86\u65b0\u7684\u9700\u6c42\u6216\u91d0\u6e05\u4e86\u6a21\u7cca\u4e4b\u8655\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7269\u4ef6\u5716\u7bc0\u7701\u6642\u9593\uff1a<\/strong>\u5728\u8a2d\u8a08\u968e\u6bb5\u5efa\u7acb\u7269\u4ef6\u5716\uff0c\u963b\u6b62\u4e86\u4e09\u500b\u6f5b\u5728\u7684\u932f\u8aa4\u9032\u5165\u751f\u7522\u74b0\u5883\uff0c\u9810\u4f30\u7bc0\u7701\u4e86 40 \u5c0f\u6642\u7684\u9664\u932f\u6642\u9593\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5be6\u9ad4\u95dc\u4fc2\u5716\u4fc3\u9032\u5718\u968a\u6e9d\u901a\uff1a<\/strong>\u5be6\u9ad4\u95dc\u4fc2\u5716\u6210\u70ba\u5f8c\u7aef\u958b\u767c\u4eba\u54e1\u3001\u8cc7\u6599\u5eab\u7ba1\u7406\u54e1\u8207\u524d\u7aef\u958b\u767c\u4eba\u54e1\u4e4b\u9593\u7684\u5171\u540c\u8a9e\u8a00\uff0c\u9810\u4f30\u6e1b\u5c11 60% \u7684\u8aa4\u89e3\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7d04\u675f\u689d\u4ef6\u81f3\u95dc\u91cd\u8981\uff1a<\/strong>\u5be6\u4f5c CHECK \u7d04\u675f\u8207\u6b63\u78ba\u7684\u5916\u9375\uff0c\u9632\u6b62\u4e86\u6e2c\u8a66\u968e\u6bb5\u7684\u8cc7\u6599\u640d\u6bc0\uff0c\u5c55\u73fe\u4e86\u8cc7\u6599\u5eab\u5c64\u7d1a\u9a57\u8b49\u7684\u50f9\u503c\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><strong>6.2 \u6d41\u7a0b\u6539\u5584<\/strong><\/h3>\n<ol>\n<li>\n<p><strong>\u65e9\u671f\u9a57\u8b49\uff1a<\/strong>\u5728\u7de8\u78bc\u524d\u4f7f\u7528\u7269\u4ef6\u5716\u5f62\u9a57\u8b49\u8a2d\u8a08\uff0c\u4f7f\u8fd4\u5de5\u6e1b\u5c11 35%<\/p>\n<\/li>\n<li>\n<p><strong>\u6587\u4ef6\uff1a<\/strong>\u5728\u6574\u500b\u958b\u767c\u904e\u7a0b\u4e2d\u7dad\u6301\u5716\u5f62\u540c\u6b65\uff0c\u5c0d\u65bc\u65b0\u6210\u54e1\u7684\u5165\u8077\u57f9\u8a13\u8b49\u660e\u6975\u5177\u50f9\u503c<\/p>\n<\/li>\n<li>\n<p><strong>\u5de5\u5177\u9078\u64c7\uff1a<\/strong>\u4f7f\u7528 Visual Paradigm \u9032\u884c\u5716\u5f62\u5275\u5efa\uff0c\u78ba\u4fdd\u4e86\u4e00\u81f4\u6027\u4e26\u65b9\u4fbf\u66f4\u65b0<\/p>\n<\/li>\n<li>\n<p><strong>\u5229\u76ca\u76f8\u95dc\u8005\u53c3\u8207\uff1a<\/strong>\u5411\u975e\u6280\u8853\u578b\u5229\u76ca\u76f8\u95dc\u8005\u5c55\u793a\u7269\u4ef6\u5716\u5f62\uff0c\u63d0\u5347\u4e86\u9700\u6c42\u6536\u96c6\u7684\u6e96\u78ba\u6027<\/p>\n<\/li>\n<\/ol>\n<h3><strong>6.3 \u53ef\u64f4\u5c55\u6027\u8003\u91cf<\/strong><\/h3>\n<p>\u5efa\u6a21\u904e\u7a0b\u63ed\u793a\u4e86\u82e5\u5e72\u53ef\u64f4\u5c55\u6027\u9700\u6c42\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u7d22\u5f15\u7b56\u7565\uff1a<\/strong>\u8b58\u5225\u51fa\u9700\u8981\u5728 (customer_id, order_date) \u4e0a\u5efa\u7acb\u8907\u5408\u7d22\u5f15\uff0c\u4ee5\u9ad8\u6548\u67e5\u8a62\u8a02\u55ae\u6b77\u53f2<\/p>\n<\/li>\n<li>\n<p><strong>\u5206\u5272\uff1a<\/strong>\u610f\u8b58\u5230 Order \u8207 Order_Product \u8868\u5c07\u5feb\u901f\u589e\u9577\uff0c\u61c9\u6309\u65e5\u671f\u9032\u884c\u5206\u5272<\/p>\n<\/li>\n<li>\n<p><strong>\u5feb\u53d6\uff1a<\/strong>\u7269\u4ef6\u5716\u5f62\u986f\u793a\u51fa\u7d93\u5e38\u5b58\u53d6\u7684\u7522\u54c1\u8cc7\u6599\uff0c\u9069\u5408\u9032\u884c\u5feb\u53d6<\/p>\n<\/li>\n<li>\n<p><strong>\u8b80\u53d6\u526f\u672c\uff1a<\/strong>ER \u5716\u5f62\u5206\u6790\u986f\u793a\u51fa\u8b80\u53d6\u5bc6\u96c6\u578b\u6a21\u5f0f\uff0c\u9069\u5408\u5be6\u4f5c\u8b80\u53d6\u526f\u672c<\/p>\n<\/li>\n<\/ol>\n<hr\/>\n<h2><strong>7. \u7d50\u8ad6<\/strong><\/h2>\n<p>\u672c\u6848\u4f8b\u7814\u7a76\u900f\u904e\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u5c08\u6848\u7684\u8996\u89d2\uff0c\u5c55\u793a\u4e86\u5168\u9762\u5efa\u6a21\u5728\u8edf\u9ad4\u958b\u767c\u4e2d\u7684\u95dc\u9375\u91cd\u8981\u6027\u3002\u900f\u904e\u7cfb\u7d71\u6027\u5730\u61c9\u7528\u985e\u5225\u5716\u3001\u7269\u4ef6\u5716\u8207 ER \u5716\uff0c\u958b\u767c\u5718\u968a\u6210\u529f\u5c07\u62bd\u8c61\u7684\u696d\u52d9\u9700\u6c42\u8f49\u5316\u70ba\u5177\u9ad4\u4e14\u53ef\u57f7\u884c\u7684\u7cfb\u7d71\u67b6\u69cb\u3002<\/p>\n<p><strong>\u95dc\u9375\u6536\u7a6b\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u4e92\u88dc\u5de5\u5177\uff1a<\/strong>\u985e\u5225\u5716\u3001\u7269\u4ef6\u5716\u8207 ER \u5716\u4e26\u975e\u7af6\u722d\u6027\u7684\u65b9\u6cd5\u8ad6\uff0c\u800c\u662f\u958b\u767c\u751f\u547d\u9031\u671f\u4e2d\u5404\u53f8\u5176\u8077\u7684\u4e92\u88dc\u5de5\u5177\u3002\u985e\u5225\u5716\u63d0\u4f9b\u67b6\u69cb\u85cd\u5716\uff0c\u7269\u4ef6\u5716\u4ee5\u5177\u9ad4\u5be6\u4f8b\u9a57\u8b49\u8a2d\u8a08\uff0cER \u5716\u5247\u5f4c\u88dc\u4e86\u8207\u8cc7\u6599\u6301\u4e45\u5316\u4e4b\u9593\u7684\u5dee\u8ddd\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u65e9\u671f\u6295\u5165\u5e36\u4f86\u56de\u5831\uff1a<\/strong>\u5728\u8a2d\u8a08\u968e\u6bb5\u6295\u5165\u6642\u9593\u5efa\u7acb\u5168\u9762\u6a21\u578b\uff0c\u900f\u904e\u6e1b\u5c11\u8fd4\u5de5\u3001\u964d\u4f4e\u932f\u8aa4\u6578\u91cf\uff0c\u4ee5\u53ca\u5718\u968a\u6210\u54e1\u9593\u66f4\u6e05\u6670\u7684\u6e9d\u901a\uff0c\u5e36\u4f86\u4e86\u986f\u8457\u56de\u5831\u3002\u5c08\u6848\u5718\u968a\u4f30\u8a08\uff0c\u5b8c\u6574\u7684\u5efa\u6a21\u4f7f\u6574\u9ad4\u958b\u767c\u6642\u9593\u7e2e\u77ed\u4e86 25%\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9a57\u8b49\u81f3\u95dc\u91cd\u8981\uff1a<\/strong>\u7269\u4ef6\u5716\u5f62\u5728\u5be6\u4f5c\u524d\u767c\u73fe\u8a2d\u8a08\u7f3a\u9677\u65b9\u9762\u8b49\u660e\u6975\u5177\u50f9\u503c\u3002\u80fd\u5920\u8996\u89ba\u5316\u7279\u5b9a\u5be6\u4f8b\u53ca\u5176\u95dc\u4fc2\uff0c\u63ed\u793a\u4e86\u908a\u754c\u6848\u4f8b\u8207\u6f5b\u5728\u554f\u984c\uff0c\u9019\u4e9b\u554f\u984c\u55ae\u6191\u62bd\u8c61\u7684\u985e\u5225\u5716\u96e3\u4ee5\u5bdf\u89ba\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u62bd\u8c61\u4e4b\u9593\u7684\u4e00\u81f4\u6027\uff1a<\/strong>\u7dad\u6301\u985e\u5225\u5716\u8207 ER \u5716\u4e4b\u9593\u7684\u4e00\u81f4\u6027\uff0c\u78ba\u4fdd\u7269\u4ef6\u5c0e\u5411\u8a2d\u8a08\u80fd\u9806\u5229\u8f49\u63db\u70ba\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u7d50\u69cb\u3002\u9019\u7a2e\u5c0d\u9f4a\u907f\u514d\u4e86\u61c9\u7528\u7a0b\u5f0f\u7a0b\u5f0f\u78bc\u8207\u8cc7\u6599\u5eab\u7d50\u69cb\u4e4b\u9593\u5e38\u898b\u7684\u963b\u6297\u4e0d\u5339\u914d\u554f\u984c\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u900f\u904e\u8a2d\u8a08\u5be6\u73fe\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>\u5efa\u6a21\u904e\u7a0b\u81ea\u7136\u5730\u6d6e\u73fe\u51fa\u53ef\u64f4\u5c55\u6027\u8003\u91cf\uff0c\u5f9e\u7d22\u5f15\u7b56\u7565\u5230\u5feb\u53d6\u6a5f\u6703\u7686\u5305\u542b\u5728\u5167\u3002\u900f\u904e\u5728\u8a2d\u8a08\u968e\u6bb5\u800c\u975e\u90e8\u7f72\u5f8c\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\uff0c\u5718\u968a\u70ba\u7cfb\u7d71\u7684\u9577\u671f\u6210\u9577\u5960\u5b9a\u4e86\u57fa\u790e\u3002<\/p>\n<\/li>\n<\/ol>\n<p><strong>\u5c55\u671b\u672a\u4f86\uff1a<\/strong><\/p>\n<p>\u96a8\u8457\u8edf\u9ad4\u7cfb\u7d71\u6301\u7e8c\u8b8a\u5f97\u66f4\u52a0\u8907\u96dc\uff0c\u7cfb\u7d71\u6027\u5730\u61c9\u7528\u5efa\u6a21\u6280\u8853\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u95dc\u9375\u3002\u6b64\u6848\u4f8b\u7814\u7a76\u8aaa\u660e\uff0c\u6210\u529f\u7684\u8edf\u9ad4\u958b\u767c\u4e0d\u50c5\u50c5\u662f\u64b0\u5beb\u7a0b\u5f0f\u78bc\uff0c\u66f4\u5728\u65bc\u7cfb\u7d71\u6027\u601d\u8003\u3001\u9a57\u8b49\u5047\u8a2d\uff0c\u4e26\u5728\u6240\u6709\u5229\u5bb3\u95dc\u4fc2\u4eba\u4e4b\u9593\u5efa\u7acb\u5171\u8b58\u3002<\/p>\n<p>\u5c0d\u65bc\u555f\u52d5\u985e\u4f3c\u5c08\u6848\u7684\u958b\u767c\u4eba\u54e1\uff0c\u6211\u5011\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\n<p>\u5f9e\u985e\u5225\u5716\u958b\u59cb\uff0c\u5efa\u7acb\u67b6\u69cb\u57fa\u790e<\/p>\n<\/li>\n<li>\n<p>\u5229\u7528\u7269\u4ef6\u5716\u9032\u884c\u9a57\u8b49\uff0c\u78ba\u4fdd\u5be6\u969b\u53ef\u884c\u6027<\/p>\n<\/li>\n<li>\n<p>\u8f49\u63db\u70ba\u5be6\u9ad4\u95dc\u4fc2\u5716\uff0c\u4ee5\u5be6\u73fe\u7a69\u5065\u7684\u8cc7\u6599\u6301\u4e45\u5316<\/p>\n<\/li>\n<li>\n<p>\u96a8\u8457\u9700\u6c42\u7684\u6f14\u8b8a\uff0c\u5728\u6574\u500b\u958b\u767c\u904e\u7a0b\u4e2d\u4e0d\u65b7\u8fed\u4ee3<\/p>\n<\/li>\n<li>\n<p>\u5c07\u5716\u8868\u7dad\u6301\u70ba\u96a8\u8457\u7a0b\u5f0f\u78bc\u5eab\u6f14\u9032\u7684\u52d5\u614b\u6587\u4ef6<\/p>\n<\/li>\n<\/ul>\n<p>\u900f\u904e\u63a1\u7d0d\u9019\u4e9b\u5efa\u6a21\u5be6\u52d9\uff0c\u958b\u767c\u5718\u968a\u80fd\u5920\u5efa\u7acb\u4e0d\u50c5\u529f\u80fd\u5b8c\u6574\uff0c\u800c\u4e14\u53ef\u7dad\u8b77\u3001\u53ef\u64f4\u5c55\u4e26\u8207\u5546\u696d\u76ee\u6a19\u4e00\u81f4\u7684\u7cfb\u7d71\u3002\u96fb\u5546\u5e73\u53f0\u7684\u6848\u4f8b\u7814\u7a76\u8b49\u660e\u4e86\u6df1\u601d\u719f\u616e\u8a2d\u8a08\u7684\u529b\u91cf\uff0c\u4ee5\u53ca\u8996\u89ba\u5316\u5efa\u6a21\u5728\u8edf\u9ad4\u5de5\u7a0b\u4e2d\u6301\u4e45\u7684\u50f9\u503c\u3002<\/p>\n<hr\/>\n<h2><strong>8. \u53c3\u8003\u6587\u737b\u8207\u5ef6\u4f38\u95b1\u8b80<\/strong><\/h2>\n<ol>\n<li>\n<p>\u7269\u4ef6\u7ba1\u7406\u96c6\u5718\u3002 (2017)\u3002\u7d71\u4e00\u6a21\u578b\u8a9e\u8a00 (UML) \u7248\u672c 2.5.1<\/p>\n<\/li>\n<li>\n<p>\u9673\u5e73\u5e73\u3002 (1976)\u3002\u5be6\u9ad4\u95dc\u4fc2\u6a21\u578b\u2014\u2014\u671d\u5411\u8cc7\u6599\u7d71\u4e00\u89c0\u9ede\u7684\u767c\u5c55<\/p>\n<\/li>\n<li>\n<p>\u4f3d\u746a\uff0cE. \u7b49\u4eba\u3002 (1994)\u3002\u8a2d\u8a08\u6a21\u5f0f\uff1a\u53ef\u91cd\u7528\u7269\u4ef6\u5c0e\u5411\u8edf\u9ad4\u7684\u5143\u7d20<\/p>\n<\/li>\n<li>\n<p>\u798f\u52d2\uff0cM\u3002 (2003)\u3002UML \u7cbe\u8981\uff1a\u6a19\u6e96\u7269\u4ef6\u5efa\u6a21\u8a9e\u8a00\u7c21\u660e\u6307\u5357<\/p>\n<\/li>\n<li>\n<p>Visual Paradigm \u793e\u7fa4\u5708\u3002 (2023)\u3002\u5716\u793a\u7e6a\u88fd\u6700\u4f73\u5be6\u52d9\u6307\u5357<\/p>\n<\/li>\n<\/ol>\n<hr\/>\n<p class=\"\"><em>\u6b64\u6848\u4f8b\u7814\u7a76\u986f\u793a\uff0c\u5f9e\u6982\u5ff5\u5230\u7a0b\u5f0f\u78bc\u7684\u65c5\u7a0b\u4e26\u975e\u76f4\u7dda\uff0c\u800c\u662f\u5728\u591a\u500b\u62bd\u8c61\u5c64\u6b21\u9593\u7d93\u904e\u6df1\u601d\u719f\u616e\u7684\u6f14\u9032\u3002\u900f\u904e\u638c\u63e1\u985e\u5225\u5716\u3001\u7269\u4ef6\u5716\u8207\u5be6\u9ad4\u95dc\u4fc2\u5716\uff0c\u8edf\u9ad4\u958b\u767c\u4eba\u54e1\u5c07\u7372\u5f97\u81ea\u4fe1\u3001\u6e05\u6670\u8207\u7cbe\u78ba\u5c0e\u822a\u6b64\u904e\u7a0b\u7684\u5de5\u5177\u3002<br \/>\n<\/em><\/p>\n<h3><em><br \/>\n\u53c3\u8003\u6587\u737b<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\u7d50\u69cb\u5316\u5efa\u6a21\uff1a\u8edf\u9ad4\u8a2d\u8a08\u4e2d\u985e\u5225\u5716\u3001\u7269\u4ef6\u5716\u8207\u5be6\u9ad4\u95dc\u4fc2\u5716\u7684\u5b8c\u6574\u6307\u5357<\/strong><\/a>\uff1a\u6df1\u5165\u8aaa\u660e\u5728\u8edf\u9ad4\u8a2d\u8a08\u8207\u5efa\u6a21\u80cc\u666f\u4e0b\uff0c\u985e\u5225\u5716\u3001\u7269\u4ef6\u5716\u8207\u5be6\u9ad4\u95dc\u4fc2\uff08ER\uff09\u5716\u4e4b\u9593\u7684\u5dee\u7570\u8207\u95dc\u4fc2\u7684\u6307\u5357\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/VPGallery\/\"><strong>Visual Paradigm \u5716\u5eab<\/strong><\/a>\uff1a\u4e00\u500b\u7dda\u4e0a\u5716\u5eab\uff0c\u5c55\u793a\u4f7f\u7528 Visual Paradigm \u8edf\u9ad4\u5275\u5efa\u7684\u5404\u7a2e\u5716\u793a\u7bc4\u4f8b\u3001\u7bc4\u672c\u8207\u4f7f\u7528\u6848\u4f8b\uff0c\u4ee5\u793a\u7bc4\u5efa\u6a21\u7684\u6700\u4f73\u5be6\u52d9\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/tutorials\/generatecdfromerd.jsp\"><strong>\u5f9e\u5be6\u9ad4\u95dc\u4fc2\u5716\u751f\u6210\u985e\u5225\u5716<\/strong><\/a>\uff1a\u4e00\u500b\u6559\u5b78\u793a\u7bc4\u5982\u4f55\u5f9e\u5be6\u9ad4\u95dc\u4fc2\uff08ER\uff09\u5716\u76f4\u63a5\u53cd\u5411\u5de5\u7a0b\u6216\u7522\u751f UML \u985e\u5225\u5716\uff0c\u4ee5\u5f4c\u88dc\u8cc7\u6599\u5efa\u6a21\u8207\u7269\u4ef6\u5c0e\u5411\u8a2d\u8a08\u4e4b\u9593\u7684\u5dee\u8ddd\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/3563\/3564\/85446_synchronizin.html\"><strong>\u5728 Visual Paradigm \u4e2d\u540c\u6b65\u6a21\u578b<\/strong><\/a>\uff1a\u4f7f\u7528\u8005\u6307\u5357\u6587\u4ef6\uff0c\u8aaa\u660e\u5982\u4f55\u5728 Visual Paradigm \u74b0\u5883\u4e2d\u7dad\u6301\u4e00\u81f4\u6027\uff0c\u4e26\u540c\u6b65\u4e0d\u540c\u5716\u793a\u985e\u578b\uff08\u5982 ER \u5716\u8207\u985e\u5225\u5716\uff09\u4e4b\u9593\u7684\u8b8a\u66f4\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/VPGallery\/orm\/ERDiagramAndClassDiagramSynchronization.html\"><strong>\u5be6\u9ad4\u95dc\u4fc2\u5716\u8207\u985e\u5225\u5716\u540c\u6b65<\/strong><\/a>\uff1a\u5c08\u9580\u7684\u6307\u5357\u6216\u5716\u5eab\u689d\u76ee\uff0c\u5c08\u6ce8\u65bc\u5be6\u9ad4\u95dc\u4fc2\u5716\u8207 UML \u985e\u5225\u5716\u4e4b\u9593\u7684\u540c\u6b65\u529f\u80fd\uff0c\u5f37\u8abf\u4e00\u500b\u6a21\u578b\u4e2d\u7684\u66f4\u65b0\u5982\u4f55\u50b3\u64ad\u81f3\u53e6\u4e00\u500b\u6a21\u578b\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/uml-class-diagram-tutorial\/\"><strong>UML \u985e\u5225\u5716\u6559\u5b78<\/strong><\/a>\uff1a\u4e00\u9805\u5168\u9762\u7684\u6559\u5b78\uff0c\u4ecb\u7d39\u5982\u4f55\u5efa\u7acb\u8207\u7406\u89e3 UML \u985e\u5225\u5716\uff0c\u6db5\u84cb\u985e\u5225\u3001\u5c6c\u6027\u3001\u65b9\u6cd5\uff0c\u4ee5\u53ca\u95dc\u806f\u3001\u7e7c\u627f\u8207\u7d44\u5408\u7b49\u95dc\u4fc2\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2576_classdiagram.html\"><strong>\u985e\u5225\u5716\u6982\u89bd\uff08\u4f7f\u7528\u8005\u6307\u5357\uff09<\/strong><\/a>: \u5b98\u65b9\u7528\u6236\u6307\u5357\u6587\u4ef6\uff0c\u63d0\u4f9b Visual Paradigm \u4e2d\u985e\u5716\u529f\u80fd\u7684\u6982\u89bd\uff0c\u5305\u62ec\u5982\u4f55\u7e6a\u88fd\u3001\u7de8\u8f2f\u548c\u81ea\u8a02\u985e\u53ca\u5176\u7bc4\u578b\u3002<\/li>\n<li><a href=\"https:\/\/forums.visual-paradigm.com\/t\/class-diagram-vs-entity-relationship-diagram\/10409\"><strong>\u985e\u5716\u8207\u5be6\u9ad4\u95dc\u4fc2\u5716\u5c0d\u6bd4\uff08\u8ad6\u58c7\u8a0e\u8ad6\uff09<\/strong><\/a>: \u793e\u7fa4\u8ad6\u58c7\u8a0e\u8ad6\uff0c\u6bd4\u8f03 UML \u985e\u5716\u8207 ER \u5716\u7684\u4f7f\u7528\u60c5\u5883\u3001\u512a\u52e2\u8207\u5dee\u7570\uff0c\u63d0\u4f9b\u793e\u7fa4\u898b\u89e3\u8207\u958b\u767c\u8005\u89c0\u9ede\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/3563\/3564\/85445_mappingdatam.html\"><strong>\u5c07\u8cc7\u6599\u6a21\u578b\u6620\u5c04\u81f3 UML\uff08\u4f7f\u7528\u8005\u6307\u5357\uff09<\/strong><\/a>: \u6587\u4ef6\u8a73\u7d30\u8aaa\u660e\u5c07\u95dc\u806f\u5f0f\u8cc7\u6599\u6a21\u578b\u6620\u5c04\u81f3 UML \u985e\u5716\u7684\u904e\u7a0b\uff0c\u5305\u62ec\u5728\u8f49\u63db\u904e\u7a0b\u4e2d\u5982\u4f55\u8655\u7406\u4e3b\u9375\u3001\u5916\u9375\u8207\u8cc7\u6599\u985e\u578b\u3002<\/li>\n<li><a href=\"https:\/\/guides.visual-paradigm.com\/introduction-to-data-modeling-with-visual-paradigm-erd-diagramming-code-generation-and-reverse-engineering\/\"><strong>\u4f7f\u7528 Visual Paradigm \u9032\u884c\u8cc7\u6599\u6a21\u578b\u8a2d\u8a08\u5165\u9580\uff1aER \u5716\u7e6a\u88fd\u3001\u7a0b\u5f0f\u78bc\u7522\u751f\u8207\u53cd\u5411\u5de5\u7a0b<\/strong><\/a>: \u4e00\u4efd\u6307\u5357\uff0c\u4ecb\u7d39\u4f7f\u7528 Visual Paradigm \u9032\u884c\u8cc7\u6599\u6a21\u578b\u8a2d\u8a08\u7684\u6280\u8853\uff0c\u6db5\u84cb ER \u5716\u5efa\u7acb\u3001\u5f9e\u6a21\u578b\u7522\u751f SQL \u7a0b\u5f0f\u78bc\uff0c\u4ee5\u53ca\u5c07\u8cc7\u6599\u5eab\u53cd\u5411\u5de5\u7a0b\u70ba\u5716\u8868\u3002<\/li>\n<li><a 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