{"id":6565,"date":"2026-02-05T10:13:04","date_gmt":"2026-02-05T02:13:04","guid":{"rendered":"https:\/\/guides.visual-paradigm.com\/cn\/effective-software-design-balancing-class-diagrams-and-erds\/"},"modified":"2026-02-05T10:13:04","modified_gmt":"2026-02-05T02:13:04","slug":"effective-software-design-balancing-class-diagrams-and-erds","status":"publish","type":"post","link":"https:\/\/guides.visual-paradigm.com\/cn\/effective-software-design-balancing-class-diagrams-and-erds\/","title":{"rendered":"\u6709\u6548\u7684\u8f6f\u4ef6\u8bbe\u8ba1\uff1a\u5e73\u8861\u7c7b\u56fe\u4e0eERD"},"content":{"rendered":"<h2><strong>\u5f15\u8a00<\/strong><\/h2>\n<p>\u5728\u8f6f\u4ef6\u5f00\u53d1\u9886\u57df\uff0c\u521b\u5efa\u4e00\u4e2a\u5f3a\u5927\u4e14\u9ad8\u6548\u7684\u8f6f\u4ef6\u5e94\u7528\u9700\u8981\u5468\u5bc6\u7684\u89c4\u5212\u4e0e\u8bbe\u8ba1\u3002\u8fd9\u4e00\u8fc7\u7a0b\u7684\u6838\u5fc3\u5de5\u5177\u5305\u62ec\u7c7b\u56fe\u548c\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u3002\u7c7b\u56fe\u4f7f\u6211\u4eec\u80fd\u591f\u53ef\u89c6\u5316\u8f6f\u4ef6\u7684\u7ed3\u6784\u4e0e\u884c\u4e3a\uff0c\u800cERD\u5219\u5e2e\u52a9\u6211\u4eec\u5efa\u6a21\u5e95\u5c42\u6570\u636e\u548c\u6570\u636e\u5e93\u67b6\u6784\u3002\u7136\u800c\uff0c\u6210\u529f\u8f6f\u4ef6\u5f00\u53d1\u7684\u5173\u952e\u5728\u4e8e\u5728\u8fd9\u4e24\u4e2a\u5173\u952e\u65b9\u9762\u4e4b\u95f4\u627e\u5230\u6070\u5f53\u7684\u5e73\u8861\u3002<\/p>\n<p><img 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ERD\u4e2d\u7684\u4e3b\u952e\u6709\u65f6\u53ef\u4ee5\u5728\u7c7b\u56fe\u4e2d\u8868\u793a\u4e3a\u552f\u4e00\u6807\u8bc6\u7b26\u6216\u952e\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4e0d\u540c\u62bd\u8c61\u5c42\u6b21\uff1a<\/strong>\n<ul>\n<li>\u7c7b\u56fe\u901a\u5e38\u5728\u8f6f\u4ef6\u8bbe\u8ba1\u9636\u6bb5\u4f7f\u7528\uff0c\u4ee5\u7c7b\u3001\u5bf9\u8c61\u53ca\u5176\u4ea4\u4e92\u65b9\u5f0f\u6765\u63cf\u8ff0\u5e94\u7528\u7a0b\u5e8f\u7684\u9ad8\u5c42\u7ed3\u6784\u3002<\/li>\n<li>\u53e6\u4e00\u65b9\u9762\uff0cERD\u66f4\u5173\u6ce8\u6570\u636e\u5b58\u50a8\u4e0e\u68c0\u7d22\u65b9\u9762\uff0c\u63cf\u8ff0\u6570\u636e\u5728\u6570\u636e\u5e93\u4e2d\u7684\u7ed3\u6784\u65b9\u5f0f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u603b\u4e4b\uff0c\u7c7b\u56fe\u548cERD\u5728\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u5404\u6709\u4e0d\u540c\u7684\u7528\u9014\u3002\u7136\u800c\uff0c\u5b83\u4eec\u4e4b\u95f4\u5b58\u5728\u5173\u8054\uff0c\u56e0\u4e3aERD\u4e2d\u8868\u793a\u7684\u6570\u636e\u6a21\u578b\u901a\u5e38\u4f1a\u5f71\u54cd\u7c7b\u56fe\u4e2d\u7c7b\u4e0e\u5bf9\u8c61\u7684\u8bbe\u8ba1\uff0c\u4ece\u800c\u786e\u4fdd\u8f6f\u4ef6\u7cfb\u7edf\u4e2d\u7684\u6570\u636e\u4e0e\u529f\u80fd\u4fdd\u6301\u826f\u597d\u4e00\u81f4\u3002<\/p>\n<h2>\u603b\u7ed3ERD\u4e0e\u7c7b\u56fe<\/h2>\n<p>\u8fd9\u91cc\u6709\u4e00\u5f20\u8868\u683c\uff0c\u5bf9\u6bd4\u4e86\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u7684\u7c7b\u56fe\u548c\u5b9e\u4f53-\u5173\u7cfb\u56fe\uff08ERD\uff09\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u65b9\u9762<\/th>\n<th>\u7c7b\u56fe<\/th>\n<th>\u5b9e\u4f53-\u5173\u7cfb\u56fe\uff08ERD\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u76ee\u7684<\/strong><\/td>\n<td>\u8868\u793a\u8f6f\u4ef6\u7cfb\u7edf\u4e2d\u7c7b\u548c\u5bf9\u8c61\u7684\u9759\u6001\u7ed3\u6784\u548c\u884c\u4e3a\u3002<\/td>\n<td>\u5bf9\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u7684\u6570\u636e\u7ed3\u6784\u548c\u5173\u7cfb\u8fdb\u884c\u5efa\u6a21\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u91cd\u70b9<\/strong><\/td>\n<td>\u7c7b\u3001\u5bf9\u8c61\u3001\u65b9\u6cd5\u3001\u5c5e\u6027\u3001\u7ee7\u627f\u548c\u4f9d\u8d56\u5173\u7cfb\u3002<\/td>\n<td>\u5b9e\u4f53\u3001\u5c5e\u6027\uff08\u5217\uff09\u3001\u5173\u7cfb\uff08\u4e00\u5bf9\u4e00\u3001\u4e00\u5bf9\u591a\u3001\u591a\u5bf9\u591a\uff09\u3001\u952e\uff08\u4e3b\u952e\u3001\u5916\u952e\uff09\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5143\u7d20<\/strong><\/td>\n<td>\u7c7b\u3001\u5173\u8054\u3001\u5c5e\u6027\u3001\u65b9\u6cd5\u3001\u6cdb\u5316\/\u7279\u5316\u5173\u7cfb\u3001\u4f9d\u8d56\u5173\u7cfb\u3002<\/td>\n<td>\u5b9e\u4f53\uff08\u8868\uff09\u3001\u5c5e\u6027\uff08\u5217\uff09\u3001\u5173\u7cfb\uff08\u5173\u8054\uff09\u3001\u952e\uff08\u4e3b\u952e\u3001\u5916\u952e\uff09\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4f7f\u7528\u9636\u6bb5<\/strong><\/td>\n<td>\u5728\u8f6f\u4ef6\u8bbe\u8ba1\u548c\u5efa\u6a21\u9636\u6bb5\u4f7f\u7528\u3002<\/td>\n<td>\u5728\u6570\u636e\u5e93\u8bbe\u8ba1\u548c\u5efa\u6a21\u9636\u6bb5\u4f7f\u7528\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8868\u793a<\/strong><\/td>\n<td>\u63cf\u7ed8\u7c7b\u53ca\u5176\u4ea4\u4e92\u7684\u7ed3\u6784\u548c\u884c\u4e3a\u3002<\/td>\n<td>\u63cf\u7ed8\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u5b58\u50a8\u6a21\u5f0f\u3001\u5173\u7cfb\u548c\u7ea6\u675f\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6620\u5c04<\/strong><\/td>\n<td>\u5c06\u7c7b\u6620\u5c04\u5230\u5b9e\u4f53\uff0c\u7c7b\u5c5e\u6027\u6620\u5c04\u5230\u5b9e\u4f53\u5c5e\u6027\uff0c\u5173\u8054\u6620\u5c04\u5230\u5173\u7cfb\uff0c\u4f9d\u8d56\u5173\u7cfb\u6620\u5c04\u5230\u6570\u636e\u5e93\u7ea6\u675f\u3002<\/td>\n<td>\u5c06\u5b9e\u4f53\u6620\u5c04\u5230\u7c7b\uff0c\u5b9e\u4f53\u5c5e\u6027\u6620\u5c04\u5230\u7c7b\u5c5e\u6027\uff0c\u5173\u7cfb\u6620\u5c04\u5230\u5173\u8054\uff0c\u952e\u6620\u5c04\u5230\u552f\u4e00\u6807\u8bc6\u7b26\u6216\u5c5e\u6027\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u62bd\u8c61\u5c42\u6b21<\/strong><\/td>\n<td>\u8868\u793a\u8f6f\u4ef6\u7ec4\u4ef6\u53ca\u5176\u4ea4\u4e92\u7684\u9ad8\u5c42\u6b21\u89c6\u56fe\u3002<\/td>\n<td>\u5173\u6ce8\u7cfb\u7edf\u7684\u4f4e\u5c42\u6b21\u6570\u636e\u5b58\u50a8\u548c\u68c0\u7d22\u65b9\u9762\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u793a\u4f8b\u7528\u4f8b<\/strong><\/td>\n<td>\u8bbe\u8ba1\u548c\u5efa\u6a21\u9762\u5411\u5bf9\u8c61\u7684\u8f6f\u4ef6\u7cfb\u7edf\uff0c\u5982\u5e94\u7528\u7a0b\u5e8f\u548c\u7cfb\u7edf\u3002<\/td>\n<td>\u8bbe\u8ba1\u548c\u5efa\u6a21\u7528\u4e8e\u5b58\u50a8\u548c\u7ba1\u7406\u6570\u636e\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5de5\u5177\u4f7f\u7528<\/strong><\/td>\n<td>\u7531UML\u5efa\u6a21\u5de5\u5177\u652f\u6301\uff08\u4f8b\u5982\uff1aUMLet\u3001Lucidchart\u3001Enterprise Architect\uff09\u3002<\/td>\n<td>\u7531\u6570\u636e\u5e93\u8bbe\u8ba1\u5de5\u5177\u652f\u6301\uff08\u4f8b\u5982\uff1aMySQL Workbench\u3001ERwin\u3001dbForge Studio\uff09\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5173\u7cfb<\/strong><\/td>\n<td>\u7c7b\u56fe\u4e0e\u6570\u636e\u6a21\u578b\uff08ERD\uff09\u4e4b\u95f4\u5b58\u5728\u5173\u8054\uff0c\u56e0\u4e3a\u6570\u636e\u6a21\u578b\u53ef\u80fd\u4f1a\u5f71\u54cd\u7c7b\u548c\u5c5e\u6027\u7684\u8bbe\u8ba1\u3002<\/td>\n<td>ERD\u901a\u5e38\u7528\u4f5c\u521b\u5efa\u8f6f\u4ef6\u7cfb\u7edf\u6570\u636e\u5e93\u6a21\u5f0f\u7684\u57fa\u7840\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5f71\u54cd\u7c7b\u7684\u8bbe\u8ba1\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8bf7\u8bb0\u4f4f\uff0c\u5c3d\u7ba1\u7c7b\u56fe\u548cERD\u7684\u5173\u6ce8\u70b9\u4e0d\u540c\uff0c\u4f46\u5728\u8f6f\u4ef6\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u5b83\u4eec\u7ecf\u5e38\u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7ed3\u6784\u548c\u8f6f\u4ef6\u8bbe\u8ba1\u826f\u597d\u5bf9\u9f50\uff0c\u5c24\u5176\u662f\u5728\u90a3\u4e9b\u4e25\u91cd\u4f9d\u8d56\u6570\u636e\u5e93\u8fdb\u884c\u6570\u636e\u5b58\u50a8\u548c\u68c0\u7d22\u7684\u5e94\u7528\u4e2d\u3002<\/p>\n<h2>\u4f55\u65f6\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u54ea\u79cd\uff1f<\/h2>\n<p>\u9009\u62e9\u4f7f\u7528\u7c7b\u56fe\u8fd8\u662f\u5b9e\u4f53-\u5173\u7cfb\u56fe\uff08ERD\uff09\u53d6\u51b3\u4e8e\u8f6f\u4ef6\u5f00\u53d1\u9879\u76ee\u7684\u5177\u4f53\u9636\u6bb5\u548c\u9700\u6c42\uff0c\u4ee5\u53ca\u60a8\u5e0c\u671b\u4f20\u8fbe\u6216\u8bbe\u8ba1\u7684\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u6bcf\u79cd\u56fe\u7684\u4f7f\u7528\u6307\u5357\uff1a<\/p>\n<p><strong>\u5728\u4ee5\u4e0b\u60c5\u51b5\u4e0b\u4f7f\u7528\u7c7b\u56fe\uff1a<\/strong><\/p>\n<ol>\n<li><strong>\u8bbe\u8ba1\u9762\u5411\u5bf9\u8c61\u7cfb\u7edf\u65f6\uff1a<\/strong>\u5f53\u60a8\u8bbe\u8ba1\u9762\u5411\u5bf9\u8c61\u7684\u8f6f\u4ef6\u7cfb\u7edf\uff08\u5982\u5e94\u7528\u7a0b\u5e8f\uff09\u65f6\uff0c\u7c7b\u56fe\u6700\u4e3a\u5408\u9002\uff0c\u60a8\u5e0c\u671b\u8868\u793a\u7c7b\u3001\u5176\u5c5e\u6027\u3001\u65b9\u6cd5\u53ca\u5176\u4ea4\u4e92\u3002<\/li>\n<li><strong>\u5efa\u6a21\u8f6f\u4ef6\u67b6\u6784\u65f6\uff1a<\/strong>\u7c7b\u56fe\u6709\u52a9\u4e8e\u5efa\u6a21\u8f6f\u4ef6\u7684\u9759\u6001\u7ed3\u6784\uff0c\u5305\u62ec\u7c7b\u4e4b\u95f4\u7684\u5173\u7cfb\u53ca\u5176\u5728\u7cfb\u7edf\u5185\u7684\u7ec4\u7ec7\u65b9\u5f0f\u3002<\/li>\n<li><strong>\u53ef\u89c6\u5316\u4ee3\u7801\u7ed3\u6784\u65f6\uff1a<\/strong>\u5b83\u4eec\u6709\u52a9\u4e8e\u63d0\u4f9b\u4ee3\u7801\u5e93\u7ed3\u6784\u7684\u53ef\u89c6\u5316\u8868\u793a\uff0c\u8fd9\u6709\u52a9\u4e8e\u5f00\u53d1\u4eba\u5458\u7406\u89e3\u5e76\u7ef4\u62a4\u4ee3\u7801\u3002<\/li>\n<li><strong>\u5b9a\u4e49\u8f6f\u4ef6\u7ec4\u4ef6\u65f6\uff1a<\/strong>\u4f7f\u7528\u7c7b\u56fe\u6765\u5b9a\u4e49\u548c\u8bb0\u5f55\u8f6f\u4ef6\u7684\u5173\u952e\u7ec4\u4ef6\u3001\u5176\u804c\u8d23\u53ca\u5176\u76f8\u4e92\u5173\u7cfb\u3002<\/li>\n<li><strong>\u6355\u6349\u4e1a\u52a1\u903b\u8f91\u65f6\uff1a<\/strong>\u5982\u679c\u60a8\u5173\u6ce8\u7684\u662f\u6355\u6349\u8f6f\u4ef6\u7684\u4e1a\u52a1\u903b\u8f91\u548c\u529f\u80fd\uff0c\u7c7b\u56fe\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002<\/li>\n<\/ol>\n<p><strong>\u5728\u4ee5\u4e0b\u60c5\u51b5\u4e0b\u4f7f\u7528\u5b9e\u4f53-\u5173\u7cfb\u56fe\uff08ERD\uff09\uff1a<\/strong><\/p>\n<ol>\n<li><strong>\u8bbe\u8ba1\u6570\u636e\u5e93\u65f6\uff1a<\/strong>ERD\u4e13\u95e8\u7528\u4e8e\u5efa\u6a21\u6570\u636e\u5e93\u5185\u7684\u6570\u636e\u7ed3\u6784\u548c\u5173\u7cfb\u3002\u5f53\u60a8\u4e3b\u8981\u5173\u6ce8\u6570\u636e\u5b58\u50a8\u3001\u68c0\u7d22\u548c\u6570\u636e\u5e93\u8bbe\u8ba1\u65f6\uff0c\u5e94\u4f7f\u7528ERD\u3002<\/li>\n<li><strong>\u6570\u636e\u5e93\u6a21\u5f0f\u8bbe\u8ba1\u65f6\uff1a<\/strong>\u5f53\u60a8\u9700\u8981\u4e3a\u5e94\u7528\u7a0b\u5e8f\u521b\u5efa\u6216\u4fee\u6539\u6570\u636e\u5e93\u6a21\u5f0f\u65f6\uff0cERD\u5bf9\u4e8e\u8868\u793a\u8868\u3001\u5217\u3001\u952e\u548c\u5173\u7cfb\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<li><strong>\u6570\u636e\u5efa\u6a21\u65f6\uff1a<\/strong>ERD\u7528\u4e8e\u6570\u636e\u5efa\u6a21\uff0c\u56e0\u6b64\u9002\u7528\u4e8e\u6570\u636e\u4e3a\u4e3b\u8981\u5173\u6ce8\u70b9\u7684\u884c\u4e1a\u548c\u5e94\u7528\uff0c\u5982\u533b\u7597\u3001\u91d1\u878d\u548c\u7535\u5b50\u5546\u52a1\u3002<\/li>\n<li><strong>\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u65f6\uff1a<\/strong>\u5b83\u4eec\u5bf9\u4e8e\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u4ee5\u53ca\u5728\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u5f3a\u5236\u6267\u884c\u5f15\u7528\u5b8c\u6574\u6027\u7ea6\u675f\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<li><strong>\u5b9a\u4e49\u6570\u636e\u5b9e\u4f53\u65f6\uff1a<\/strong>ERD\u6709\u52a9\u4e8e\u5b9a\u4e49\u548c\u8bb0\u5f55\u6570\u636e\u5e93\u4e2d\u7684\u5b9e\u4f53\uff08\u8868\uff09\u3001\u5176\u5c5e\u6027\u4ee5\u53ca\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/li>\n<\/ol>\n<p>\u5728\u8bb8\u591a\u8f6f\u4ef6\u5f00\u53d1\u9879\u76ee\u4e2d\uff0c\u60a8\u4f1a\u53d1\u73b0\u7c7b\u56fe\u548cERD\u7ecf\u5e38\u534f\u540c\u4f7f\u7528\u3002\u7c7b\u56fe\u5e2e\u52a9\u60a8\u8bbe\u8ba1\u8f6f\u4ef6\u7684\u7ed3\u6784\u548c\u884c\u4e3a\uff0c\u800cERD\u5219\u5e2e\u5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