{"id":1726,"date":"2026-03-28T16:31:32","date_gmt":"2026-03-28T16:31:32","guid":{"rendered":"https:\/\/www.viz-read.com\/cn\/erd-vs-class-diagram-guide\/"},"modified":"2026-03-28T16:31:32","modified_gmt":"2026-03-28T16:31:32","slug":"erd-vs-class-diagram-guide","status":"publish","type":"post","link":"https:\/\/www.viz-read.com\/cn\/erd-vs-class-diagram-guide\/","title":{"rendered":"ERD \u4e0e\u7c7b\u56fe\uff1a\u5728\u9879\u76ee\u4e2d\u4f55\u65f6\u4f7f\u7528\u54ea\u4e00\u79cd"},"content":{"rendered":"

\u5728\u8f6f\u4ef6\u67b6\u6784\u548c\u7cfb\u7edf\u8bbe\u8ba1\u7684\u9886\u57df\u4e2d\uff0c\u6e05\u6670\u5ea6\u81f3\u5173\u91cd\u8981\u3002\u67b6\u6784\u5e08\u548c\u5f00\u53d1\u4eba\u5458\u53ef\u7528\u7684\u4e24\u4e2a\u6700\u57fa\u672c\u7684\u53ef\u89c6\u5316\u5de5\u5177\u662f\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u548c\u7c7b\u56fe\u3002\u867d\u7136\u4e24\u8005\u90fd\u7528\u4e8e\u5efa\u6a21\u7ed3\u6784\uff0c\u4f46\u5b83\u4eec\u4f5c\u7528\u4e8e\u4e0d\u540c\u7684\u9886\u57df\u5e76\u89e3\u51b3\u4e0d\u540c\u7684\u95ee\u9898\u3002\u9009\u62e9\u6b63\u786e\u7684\u5de5\u5177\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d6\u51b3\u4e8e\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u8d28\u3001\u6301\u4e45\u5c42\u9700\u6c42\u4ee5\u53ca\u6240\u4f7f\u7528\u7684\u7f16\u7a0b\u8303\u5f0f\u3002<\/p>\n

\u672c\u6307\u5357\u5c06\u5bf9\u8fd9\u4e24\u79cd\u5efa\u6a21\u6280\u672f\u8fdb\u884c\u8be6\u7ec6\u63a2\u8ba8\u3002\u6211\u4eec\u5c06\u63a2\u7d22\u5b83\u4eec\u7684\u7ec4\u6210\u90e8\u5206\u3001\u5177\u4f53\u7528\u4f8b\u4ee5\u53ca\u9009\u62e9\u5176\u4e2d\u4e00\u79cd\u800c\u975e\u53e6\u4e00\u79cd\u7684\u6218\u7565\u5f71\u54cd\u3002\u7406\u89e3\u4ee5\u6570\u636e\u5e93\u4e3a\u4e2d\u5fc3\u7684\u5efa\u6a21\u4e0e\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u4e4b\u95f4\u7684\u7ec6\u5fae\u5dee\u522b\uff0c\u5bf9\u4e8e\u6784\u5efa\u65e2\u6613\u4e8e\u7ef4\u62a4\u53c8\u9ad8\u6027\u80fd\u7684\u7cfb\u7edf\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

\n
\"Hand-drawn<\/figure>\n<\/div>\n

\u7406\u89e3\u5b9e\u4f53\u5173\u7cfb\u56fe \ud83d\uddc4\ufe0f<\/h2>\n

\u5b9e\u4f53\u5173\u7cfb\u56fe\u662f\u4e00\u79cd\u6982\u5ff5\u6027\u5de5\u5177\uff0c\u65e8\u5728\u8868\u793a\u6570\u636e\u5e93\u7cfb\u7edf\u5185\u6570\u636e\u7684\u7ed3\u6784\u3002\u5b83\u4fa7\u91cd\u4e8e\u4fe1\u606f\u7684\u5b58\u50a8\u3001\u5b8c\u6574\u6027\u548c\u6d41\u52a8\u3002ERD \u901a\u5e38\u7528\u4e8e\u8f6f\u4ef6\u5f00\u53d1\u751f\u547d\u5468\u671f\u7684\u6570\u636e\u5efa\u6a21\u9636\u6bb5\u3002\u5176\u4e3b\u8981\u76ee\u6807\u662f\u5728\u7f16\u5199\u4efb\u4f55\u4ee3\u7801\u4e4b\u524d\uff0c\u5b9a\u4e49\u6570\u636e\u5982\u4f55\u7ec4\u7ec7\u4ee5\u53ca\u4e0d\u540c\u6570\u636e\u96c6\u4e4b\u95f4\u5982\u4f55\u76f8\u4e92\u5173\u8054\u3002<\/p>\n

    \n
  • \u6838\u5fc3\u91cd\u70b9\uff1a<\/strong>\u6570\u636e\u6301\u4e45\u6027\u548c\u5173\u7cfb\u5b8c\u6574\u6027\u3002<\/li>\n
  • \u4e3b\u8981\u53d7\u4f17\uff1a<\/strong>\u6570\u636e\u5e93\u7ba1\u7406\u5458\u3001\u540e\u7aef\u5f00\u53d1\u4eba\u5458\u4ee5\u53ca\u6570\u636e\u67b6\u6784\u5e08\u3002<\/li>\n
  • \u5173\u952e\u7ec4\u6210\u90e8\u5206\uff1a<\/strong><\/li>\n<\/ul>\n
      \n
    • \u5b9e\u4f53\uff1a<\/strong>\u8868\u793a\u4e3a\u8868\uff0c\u8fd9\u4e9b\u662f\u5173\u6ce8\u7684\u5bf9\u8c61\uff0c\u4f8b\u5982\u201c\u5ba2\u6237<\/em>, \u8ba2\u5355<\/em>\uff0c\u6216\u201c\u4ea7\u54c1<\/em>.<\/li>\n
    • \u5c5e\u6027\uff1a<\/strong>\u5b9e\u4f53\u7684\u5177\u4f53\u5c5e\u6027\uff0c\u4f8b\u5982\u201ccustomer_name<\/em>\u6216\u201corder_date<\/em>\u3002\u8fd9\u4e9b\u6620\u5c04\u5230\u6570\u636e\u5e93\u8868\u4e2d\u7684\u5217\u3002<\/li>\n
    • \u5173\u7cfb\uff1a<\/strong>\u5b9e\u4f53\u4e4b\u95f4\u7684\u5173\u8054\uff0c\u4f8b\u5982\u4e00\u5bf9\u4e00\u3001\u4e00\u5bf9\u591a\u6216\u591a\u5bf9\u591a\u8fde\u63a5\u3002\u57fa\u6570\uff08Cardinality\uff09\u662f\u8fd9\u91cc\u7684\u5173\u952e\u6982\u5ff5\u3002<\/li>\n
    • \u952e\uff1a<\/strong>\u4e3b\u952e\u548c\u5916\u952e\uff0c\u7528\u4e8e\u786e\u4fdd\u6570\u636e\u552f\u4e00\u6027\u5e76\u5c06\u8868\u94fe\u63a5\u5728\u4e00\u8d77\u3002<\/li>\n<\/ul>\n

      ERD \u57fa\u4e8e\u96c6\u5408\u8bba\u548c\u5173\u7cfb\u4ee3\u6570\u3002\u5b83\u786e\u4fdd\u6570\u636e\u7ecf\u8fc7\u89c4\u8303\u5316\u4ee5\u51cf\u5c11\u5197\u4f59\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u6709\u4e00\u7ec4\u8ba2\u5355\u5217\u8868\uff0cERD \u6709\u52a9\u4e8e\u786e\u5b9a\u5ba2\u6237\u8be6\u7ec6\u4fe1\u606f\u662f\u5426\u5e94\u5728\u6bcf\u6761\u8ba2\u5355\u8bb0\u5f55\u4e2d\u91cd\u590d\uff0c\u8fd8\u662f\u5355\u72ec\u5b58\u50a8\u5728\u201c\u5ba2\u6237<\/em>\u8868\uff0c\u7528\u4e8e\u7ef4\u62a4\u5355\u4e00\u4e8b\u5b9e\u6765\u6e90\u3002<\/p>\n

      \u7406\u89e3\u7c7b\u56fe \ud83e\udde9<\/h2>\n

      \u7c7b\u56fe\u662f\u7edf\u4e00\u5efa\u6a21\u8bed\u8a00\uff08UML\uff09\u7684\u6807\u51c6\u7ec4\u6210\u90e8\u5206\u3002\u5b83\u8868\u793a\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u7cfb\u7edf\u7684\u9759\u6001\u7ed3\u6784\u3002\u4e0e\u5173\u6ce8\u6570\u636e\u5b58\u50a8\u7684\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u4e0d\u540c\uff0c\u7c7b\u56fe\u5173\u6ce8\u6570\u636e\u5728\u5e94\u7528\u903b\u8f91\u4e2d\u7684\u884c\u4e3a\u3002\u5b83\u5728\u6570\u636e\u5e93\u4e0e\u4ee3\u7801\u4e4b\u95f4\u67b6\u8d77\u4e86\u6865\u6881\u3002<\/p>\n

        \n
      • \u6838\u5fc3\u91cd\u70b9\uff1a<\/strong>\u8f6f\u4ef6\u884c\u4e3a\u3001\u903b\u8f91\u53ca\u5bf9\u8c61\u4ea4\u4e92\u3002<\/li>\n
      • \u4e3b\u8981\u53d7\u4f17\uff1a<\/strong>\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u3001\u524d\u7aef\u5f00\u53d1\u4eba\u5458\u53ca\u7cfb\u7edf\u8bbe\u8ba1\u5e08\u3002<\/li>\n
      • \u5173\u952e\u7ec4\u4ef6\uff1a<\/strong><\/li>\n<\/ul>\n
          \n
        • \u7c7b\uff1a<\/strong>\u5bf9\u8c61\u7684\u84dd\u56fe\u3002\u7c7b\u5b9a\u4e49\u5b9e\u4f53\u7684\u72b6\u6001\uff08\u5c5e\u6027\uff09\u548c\u884c\u4e3a\uff08\u65b9\u6cd5\uff09\u3002<\/li>\n
        • \u65b9\u6cd5\uff1a<\/strong>\u5bf9\u8c61\u53ef\u6267\u884c\u7684\u529f\u80fd\u6216\u64cd\u4f5c\uff0c\u4f8b\u5982\u201ccalculateTotal()<\/em>\u6216\u201cvalidateUser()<\/em>.<\/li>\n
        • \u7ee7\u627f\uff1a<\/strong>\u7c7b\u4ece\u53e6\u4e00\u4e2a\u7c7b\u6d3e\u751f\u5c5e\u6027\u548c\u65b9\u6cd5\u7684\u80fd\u529b\uff0c\u4fc3\u8fdb\u4ee3\u7801\u590d\u7528\u3002<\/li>\n
        • \u63a5\u53e3\uff1a<\/strong>\u5b9a\u4e49\u7c7b\u5fc5\u987b\u505a\u4ec0\u4e48\u4f46\u4e0d\u6307\u5b9a\u5982\u4f55\u5b9e\u73b0\u7684\u5951\u7ea6\u3002<\/li>\n
        • \u53ef\u89c1\u6027\uff1a<\/strong>\u8bbf\u95ee\u4fee\u9970\u7b26\uff0c\u5982\u201cpublic<\/em>, private<\/em>\uff0c\u6216\u201cprotected<\/em>\u7528\u4e8e\u63a7\u5236\u7c7b\u4e4b\u95f4\u4ea4\u4e92\u7684\u4fee\u9970\u7b26\u3002<\/li>\n<\/ul>\n

          \u5728\u7c7b\u56fe\u4e2d\uff0c\u5173\u7cfb\u4e0d\u4ec5\u9650\u4e8e\u7b80\u5355\u7684\u6570\u636e\u94fe\u63a5\u3002\u5b83\u4eec\u5305\u62ec\u5173\u8054\u3001\u805a\u5408\u548c\u7ec4\u5408\u3002\u7ec4\u5408\u610f\u5473\u7740\u4e00\u79cd\u66f4\u5f3a\u7684\u5173\u7cfb\uff0c\u5176\u4e2d\u4e00\u4e2a\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u4f9d\u8d56\u4e8e\u53e6\u4e00\u4e2a\u5bf9\u8c61\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u201c\u6c7d\u8f66\u201d<\/em>\u7c7b\u53ef\u80fd\u7531\u53d1\u52a8\u673a<\/em>\u548c\u8f66\u8f6e<\/em>\u7c7b\u7ec4\u6210\uff1b\u5982\u679c\u6c7d\u8f66<\/em>\u88ab\u9500\u6bc1\uff0c\u53d1\u52a8\u673a<\/em>\u548c\u8f66\u8f6e<\/em>\u5728\u8be5\u4e0a\u4e0b\u6587\u4e2d\u5c06\u4e0d\u518d\u5b58\u5728\u3002<\/p>\n

          \u5173\u952e\u5dee\u5f02\u4e00\u89c8 \u2696\ufe0f<\/h2>\n

          \u867d\u7136\u4e24\u79cd\u56fe\u8868\u90fd\u7528\u4e8e\u5efa\u6a21\u7ed3\u6784\uff0c\u4f46\u5176\u5e95\u5c42\u7406\u5ff5\u4e0d\u540c\u3002\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u662f\u58f0\u660e\u5f0f\u7684\uff0c\u63cf\u8ff0\u6570\u636e\u662f\u4ec0\u4e48\uff1b\u7c7b\u56fe\u662f\u547d\u4ee4\u5f0f\u7684\uff0c\u63cf\u8ff0\u5bf9\u8c61\u80fd\u505a\u4ec0\u4e48\u3002\u4e0b\u8868\u6982\u8ff0\u4e86\u6280\u672f\u4e0a\u7684\u533a\u522b\u3002<\/p>\n\n\n\n\n\n\n\n\n\n
          \u7279\u6027<\/th>\n\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09<\/th>\n\u7c7b\u56fe<\/th>\n<\/tr>\n<\/thead>\n
          \u9886\u57df<\/strong><\/td>\n\u6570\u636e\u5e93\u5c42<\/td>\n\u5e94\u7528\/\u4ee3\u7801\u5c42<\/td>\n<\/tr>\n
          \u5173\u7cfb<\/strong><\/td>\n\u5916\u952e\u3001\u57fa\u6570\uff081:1\u30011:N\uff09<\/td>\n\u5173\u8054\u3001\u7ee7\u627f\u3001\u805a\u5408<\/td>\n<\/tr>\n
          \u884c\u4e3a<\/strong><\/td>\n\u65e0\uff08\u4ec5\u6570\u636e\uff09<\/td>\n\u65b9\u6cd5\u3001\u51fd\u6570\u3001\u903b\u8f91<\/td>\n<\/tr>\n
          \u4f18\u5316<\/strong><\/td>\n\u89c4\u8303\u5316\u3001\u7d22\u5f15<\/td>\n\u8026\u5408\u3001\u5185\u805a\u3001\u591a\u6001<\/td>\n<\/tr>\n
          \u8f93\u51fa<\/strong><\/td>\nSQL \u67b6\u6784<\/td>\n\u6e90\u4ee3\u7801<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u4f55\u65f6\u5e94\u4f18\u5148\u4f7f\u7528\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\ud83d\udcbe<\/h2>\n

          \u5728\u67d0\u4e9b\u7279\u5b9a\u573a\u666f\u4e0b\uff0c\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u662f\u4e3b\u8981\u7684\u5efa\u6a21\u5de5\u5177\u3002\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u6027\u80fd\u6bd4\u5e94\u7528\u7a0b\u5e8f\u903b\u8f91\u7684\u5373\u65f6\u884c\u4e3a\u66f4\u4e3a\u5173\u952e\u3002<\/p>\n

          1. \u6570\u636e\u5bc6\u96c6\u578b\u5e94\u7528<\/h3>\n

          \u5982\u679c\u60a8\u7684\u9879\u76ee\u6d89\u53ca\u5927\u91cf\u6570\u636e\u5904\u7406\uff0c\u4f8b\u5982\u5206\u6790\u5e73\u53f0\u3001\u62a5\u8868\u5de5\u5177\u6216\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\uff0c\u90a3\u4e48\u6570\u636e\u7ed3\u6784\u5c06\u51b3\u5b9a\u7cfb\u7edf\u7684\u6210\u8d25\u3002\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u5141\u8bb8\u60a8\u5728\u7f16\u5199\u4efb\u4f55\u540e\u7aef\u4ee3\u7801\u4e4b\u524d\uff0c\u53ef\u89c6\u5316\u590d\u6742\u7684\u8fde\u63a5\u548c\u4f9d\u8d56\u5173\u7cfb\u3002\u5b83\u6709\u52a9\u4e8e\u8bc6\u522b\u67e5\u8be2\u6027\u80fd\u4e2d\u7684\u74f6\u9888\u3002<\/p>\n

            \n
          • \u89c4\u8303\u5316\uff1a<\/strong>\u4f7f\u7528\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u786e\u4fdd\u6570\u636e\u4e0d\u4f1a\u88ab\u4e0d\u5fc5\u8981\u5730\u91cd\u590d\u3002\u8fd9\u53ef\u4ee5\u964d\u4f4e\u5b58\u50a8\u6210\u672c\u5e76\u9632\u6b62\u66f4\u65b0\u5f02\u5e38\u3002<\/li>\n
          • \u7ea6\u675f\uff1a<\/strong>\u4e3a\u6570\u636e\u8f93\u5165\u5b9a\u4e49\u4e25\u683c\u7684\u89c4\u5219\u3002\u4f8b\u5982\uff0c\u786e\u4fdd\u4ea4\u6613<\/em>\u4e0d\u80fd\u5728\u6ca1\u6709\u5173\u8054\u7684\u8d26\u6237<\/em>.<\/li>\n
          • \u67b6\u6784\u8fc1\u79fb\uff1a<\/strong>\u5728\u89c4\u5212\u6570\u636e\u5e93\u8fc1\u79fb\u65f6\uff0c\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u4f5c\u4e3a\u8868\u968f\u65f6\u95f4\u6f14\u53d8\u7684\u6743\u5a01\u4f9d\u636e\u3002<\/li>\n<\/ul>\n

            2. \u591a\u7cfb\u7edf\u96c6\u6210<\/h3>\n

            \u5f53\u591a\u4e2a\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u5171\u4eab\u540c\u4e00\u4e2a\u6570\u636e\u5e93\u65f6\uff0c\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u5145\u5f53\u5951\u7ea6\u3002\u5b83\u786e\u4fdd\u6240\u6709\u7cfb\u7edf\u5bf9\u5b57\u6bb5\u6216\u5173\u7cfb\u7684\u542b\u4e49\u8fbe\u6210\u4e00\u81f4\u3002\u5982\u679c\u6ca1\u6709\u6807\u51c6\u5316\u7684\u5b9e\u4f53\u5173\u7cfb\u56fe\uff0c\u4e0d\u540c\u56e2\u961f\u53ef\u80fd\u4f1a\u5c06\u7528\u6237 ID<\/em>\u89e3\u91ca\u4e3a\u4e0d\u540c\u7684\u542b\u4e49\uff0c\u4ece\u800c\u5bfc\u81f4\u6570\u636e\u635f\u574f\u3002<\/p>\n

            3. \u9057\u7559\u7cfb\u7edf\u73b0\u4ee3\u5316<\/h3>\n

            \u5728\u9006\u5411\u5de5\u7a0b\u73b0\u6709\u6570\u636e\u5e93\u65f6\uff0c\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u901a\u5e38\u662f\u8d77\u70b9\u3002\u5b83\u5e2e\u52a9\u65b0\u5f00\u53d1\u4eba\u5458\u7406\u89e3\u6570\u636e\u7ed3\u6784\u7684\u5386\u53f2\u80cc\u666f\u3002\u968f\u540e\uff0c\u60a8\u53ef\u4ee5\u5c06\u6b64\u7ed3\u6784\u6620\u5c04\u5230\u65b0\u7684\u5e94\u7528\u7a0b\u5e8f\u903b\u8f91\u4e2d\uff0c\u786e\u4fdd\u5728\u8fc7\u6e21\u8fc7\u7a0b\u4e2d\u4e0d\u4e22\u5931\u4efb\u4f55\u6570\u636e\u3002<\/p>\n

            \u4f55\u65f6\u5e94\u4f18\u5148\u4f7f\u7528\u7c7b\u56fe\ud83c\udfd7\ufe0f<\/h2>\n

            \u5f53\u5e94\u7528\u7a0b\u5e8f\u903b\u8f91\u7684\u590d\u6742\u6027\u8d85\u8fc7\u6570\u636e\u5b58\u50a8\u7684\u590d\u6742\u6027\u65f6\uff0c\u7c7b\u56fe\u4fbf\u6210\u4e3a\u4f18\u5148\u9009\u62e9\u3002\u8fd9\u5728\u4e1a\u52a1\u5e94\u7528\u4e2d\u5f88\u5e38\u89c1\uff0c\u56e0\u4e3a\u9886\u57df\u7684\u89c4\u5219\u5f80\u5f80\u9519\u7efc\u590d\u6742\u3002<\/p>\n

            1. \u590d\u6742\u7684\u4e1a\u52a1\u903b\u8f91<\/h3>\n

            \u5982\u679c\u60a8\u7684\u9879\u76ee\u9700\u8981\u590d\u6742\u7684\u5de5\u4f5c\u6d41\u3001\u72b6\u6001\u7ba1\u7406\u6216\u590d\u6742\u8ba1\u7b97\uff0c\u7c7b\u56fe\u53ef\u4ee5\u6355\u6349\u8fd9\u4e9b\u884c\u4e3a\u3002\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u65e0\u6cd5\u663e\u793a\u6298\u6263<\/em>\u7c7b\u9700\u8981\u8d2d\u7269\u8f66<\/em>\u7c7b\u5904\u4e8e\u7279\u5b9a\u72b6\u6001\u540e\u624d\u80fd\u5e94\u7528\u6298\u6263\u3002<\/p>\n

              \n
            • \u5c01\u88c5\uff1a<\/strong>\u60a8\u53ef\u4ee5\u53ef\u89c6\u5316\u54ea\u4e9b\u6570\u636e\u5bf9\u5916\u90e8\u6a21\u5757\u662f\u9690\u85cf\u7684\u3002\u8fd9\u5bf9\u4e8e\u7ef4\u62a4\u5b89\u5168\u6027\u548c\u51cf\u5c11\u9519\u8bef\u81f3\u5173\u91cd\u8981\u3002<\/li>\n
            • \u591a\u6001\u6027\uff1a<\/strong>\u5c55\u793a\u4e0d\u540c\u7c7b\u578b\u7684\u5bf9\u8c61\u5982\u4f55\u88ab\u7edf\u4e00\u5904\u7406\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u652f\u4ed8<\/em>\u63a5\u53e3\u53ef\u4ee5\u7531\u4fe1\u7528\u5361<\/em>, PayPal<\/em>\u3001\u6216\u52a0\u5bc6\u8d27\u5e01<\/em>\u7c7b\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n

              2. \u9762\u5411\u5bf9\u8c61\u67b6\u6784<\/h3>\n

              \u5728\u57fa\u4e8e Java\u3001C# \u6216 Python \u7b49\u8bed\u8a00\u6784\u5efa\u7684\u7cfb\u7edf\u4e2d\uff0c\u7c7b\u56fe\u53cd\u6620\u4e86\u5b9e\u9645\u7684\u4ee3\u7801\u7ed3\u6784\u3002\u5b83\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u89c4\u5212\u7ee7\u627f\u5c42\u6b21\u7ed3\u6784\u3002\u8fd9\u51cf\u5c11\u4e86\u5728\u5f00\u53d1\u5468\u671f\u540e\u671f\u8fdb\u884c\u91cd\u6784\u7684\u9700\u6c42\u3002<\/p>\n

              3. \u524d\u7aef\u96c6\u6210<\/h3>\n

              \u5728\u8bbe\u8ba1\u7528\u6237\u754c\u9762\u65f6\uff0c\u6570\u636e\u901a\u5e38\u9700\u8981\u8f6c\u6362\u4e3a UI \u53ef\u4ee5\u6d88\u8d39\u7684\u5bf9\u8c61\u3002\u7c7b\u56fe\u6709\u52a9\u4e8e\u5b9a\u4e49\u8fd9\u4e9b\u6570\u636e\u4f20\u8f93\u5bf9\u8c61\uff08DTO\uff09\u3002\u5b83\u786e\u4fdd\u524d\u7aef\u63a5\u6536\u6240\u9700\u7684\u786e\u5207\u5185\u5bb9\uff0c\u800c\u4e0d\u4f1a\u66b4\u9732\u654f\u611f\u7684\u6570\u636e\u5e93\u5b57\u6bb5\u3002<\/p>\n

              \u5f25\u5408\u5dee\u8ddd\uff1a\u96c6\u6210\u7b56\u7565 \ud83d\udd17<\/h2>\n

              \u9879\u76ee\u4ec5\u4f9d\u8d56\u4e00\u79cd\u56fe\u8868\u7684\u60c5\u51b5\u5f88\u5c11\u89c1\u3002\u5927\u591a\u6570\u7a33\u5065\u7684\u7cfb\u7edf\u9700\u8981\u5728\u6570\u636e\u6a21\u578b\u548c\u5bf9\u8c61\u6a21\u578b\u4e4b\u95f4\u8fdb\u884c\u8f6c\u6362\u3002\u8fd9\u4e00\u8fc7\u7a0b\u901a\u5e38\u79f0\u4e3a\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff08ORM\uff09\u3002<\/p>\n

                \n
              • \u5c06\u5b9e\u4f53\u6620\u5c04\u5230\u7c7b\uff1a<\/strong>ERD \u4e2d\u7684\u5b9e\u4f53<\/em>\u901a\u5e38\u6620\u5c04\u5230\u4ee3\u7801\u4e2d\u7684\u7c7b<\/em>\u3002\u7136\u800c\uff0c\u5982\u679c\u6570\u636e\u5e93\u6a21\u5f0f\u4e3a\u4e86\u6027\u80fd\uff08\u5206\u7247\u6216\u5206\u533a\uff09\u800c\u8de8\u591a\u4e2a\u8868\u62c6\u5206\uff0c\u4e00\u4e2a\u7c7b\u53ef\u80fd\u5305\u542b\u591a\u4e2a\u5b9e\u4f53\u3002<\/li>\n
              • \u5904\u7406\u591a\u5bf9\u591a\u5173\u7cfb\uff1a<\/strong>\u5728 ERD \u4e2d\uff0c\u591a\u5bf9\u591a\u5173\u7cfb\u53ef\u80fd\u9700\u8981\u4e00\u4e2a\u5173\u8054\u8868\u3002\u5728\u7c7b\u56fe\u4e2d\uff0c\u8fd9\u901a\u5e38\u8868\u793a\u4e3a\u7c7b\u5185\u7684\u96c6\u5408\uff08\u4f8b\u5982\uff0c\u4e00\u4e2a\u5b66\u751f<\/em>\u7c7b\u6301\u6709\u8bfe\u7a0b<\/em>\u5bf9\u8c61\u7684\u5217\u8868\uff09\u3002<\/li>\n
              • \u53cd\u89c4\u8303\u5316\uff1a<\/strong>\u6709\u65f6\uff0c\u4e3a\u4e86\u63d0\u9ad8\u8bfb\u53d6\u6027\u80fd\uff0c\u6570\u636e\u4f1a\u5728\u6570\u636e\u5e93\u4e2d\u8fdb\u884c\u53cd\u89c4\u8303\u5316\u3002\u7c7b\u56fe\u53ef\u80fd\u9700\u8981\u901a\u8fc7\u5305\u542b\u4e0d\u76f4\u63a5\u5173\u8054\u5230\u5355\u4e2a\u6570\u636e\u5e93\u5217\u7684\u5c5e\u6027\u6765\u53cd\u6620\u8fd9\u4e00\u70b9\u3002<\/li>\n<\/ul>\n

                \u7406\u89e3\u8fd9\u79cd\u6620\u5c04\u81f3\u5173\u91cd\u8981\u3002\u5982\u679c\u7c7b\u56fe\u4e0e\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u4e0d\u4e00\u81f4\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u80fd\u96be\u4ee5\u6b63\u786e\u6301\u4e45\u5316\u6570\u636e\u3002\u53cd\u4e4b\uff0c\u5982\u679c ERD \u672a\u80fd\u53cd\u6620\u7c7b\u56fe\u4e2d\u6355\u83b7\u7684\u4e1a\u52a1\u89c4\u5219\uff0c\u6570\u636e\u5e93\u53ef\u80fd\u4f1a\u5f3a\u5236\u6267\u884c\u963b\u788d\u5e94\u7528\u7a0b\u5e8f\u529f\u80fd\u7684\u7ea6\u675f\u3002<\/p>\n

                \u5e38\u89c1\u7684\u5efa\u6a21\u9519\u8bef \u26a0\ufe0f<\/h2>\n

                \u8bef\u7528\u8fd9\u4e9b\u56fe\u8868\u53ef\u80fd\u5bfc\u81f4\u4e25\u91cd\u7684\u6280\u672f\u503a\u52a1\u3002\u907f\u514d\u4ee5\u4e0b\u9677\u9631\uff0c\u4ee5\u786e\u4fdd\u60a8\u7684\u67b6\u6784\u4fdd\u6301\u7a33\u56fa\u3002<\/p>\n

                  \n
                • \u5728\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u4e2d\u5ffd\u7565\u57fa\u6570\uff1a<\/strong>\u672a\u80fd\u5b9a\u4e49\u6b63\u786e\u7684\u57fa\u6570\uff08\u4e00\u5bf9\u4e00\u4e0e\u4e00\u5bf9\u591a\uff09\u4f1a\u5bfc\u81f4\u5173\u7cfb\u6a21\u7cca\u3002\u8fd9\u4f1a\u4f7f\u67e5\u8be2\u6548\u7387\u4f4e\u4e0b\uff0c\u4e14\u96be\u4ee5\u4fdd\u8bc1\u6570\u636e\u5b8c\u6574\u6027\u3002<\/li>\n
                • \u5728\u7c7b\u56fe\u4e2d\u8fc7\u5ea6\u5efa\u6a21\uff1a<\/strong>\u521b\u5efa\u96be\u4ee5\u7ef4\u62a4\u7684\u6df1\u5c42\u7ee7\u627f\u5c42\u6b21\u7ed3\u6784\u3002\u6709\u65f6\uff0c\u7ec4\u5408\u662f\u6bd4\u7ee7\u627f\u66f4\u597d\u7684\u9009\u62e9\u3002\u5982\u679c\u4e00\u4e2a\u7c7b\u62e5\u6709\u8fc7\u591a\u7684\u65b9\u6cd5\uff0c\u8fd9\u53ef\u80fd\u8868\u660e\u5b83\u627f\u62c5\u4e86\u8fc7\u591a\u7684\u804c\u8d23\u3002<\/li>\n
                • \u6df7\u6dc6\u72b6\u6001\u4e0e\u884c\u4e3a\uff1a<\/strong>\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u5c55\u793a\u72b6\u6001\uff08\u5c5e\u6027\uff09\uff0c\u800c\u7c7b\u56fe\u5c55\u793a\u884c\u4e3a\uff08\u65b9\u6cd5\uff09\u3002\u4e0d\u8981\u8bd5\u56fe\u5c06\u884c\u4e3a\u5f3a\u884c\u7eb3\u5165 ERD\uff0c\u56e0\u4e3a\u5b83\u7f3a\u4e4f\u8868\u793a\u903b\u8f91\u7684\u8bed\u6cd5\u3002<\/li>\n
                • \u5ffd\u89c6\u9886\u57df\u6a21\u578b\uff1a<\/strong>\u7c7b\u56fe\u5e94\u53cd\u6620\u4e1a\u52a1\u89c4\u5219\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u6570\u636e\u5e93\u8868\u3002\u5982\u679c\u60a8\u7684\u7c7b\u56fe\u76f4\u63a5\u590d\u5236\u4e86 ERD\uff0c\u60a8\u53ef\u80fd\u5df2\u7ecf\u9519\u8fc7\u4e86\u5c01\u88c5\u903b\u8f91\u548c\u7b80\u5316 API \u7684\u673a\u4f1a\u3002<\/li>\n<\/ul>\n

                  \u51b3\u7b56\u6846\u67b6 \ud83e\udded<\/h2>\n

                  \u5728\u542f\u52a8\u65b0\u9879\u76ee\u65f6\uff0c\u4f7f\u7528\u6b64\u6846\u67b6\u6765\u51b3\u5b9a\u4f18\u5148\u7ed8\u5236\u54ea\u79cd\u56fe\u8868\u3002<\/p>\n

                    \n
                  1. \u8bc6\u522b\u74f6\u9888\uff1a<\/strong>\u6311\u6218\u662f\u5426\u4e3b\u8981\u5728\u4e8e\u6570\u636e\u5b58\u50a8\u3001\u68c0\u7d22\u548c\u6570\u636e\u91cf\uff1f\n
                      \n
                    • \u662f\uff1a<\/em>\u4ece\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u5f00\u59cb\u3002<\/li>\n
                    • \u5426\uff1a<\/em>\u8fdb\u5165\u6b65\u9aa4 2\u3002<\/li>\n<\/ul>\n<\/li>\n
                    • \u8bc4\u4f30\u903b\u8f91\u590d\u6742\u5ea6\uff1a<\/strong>\u662f\u5426\u5b58\u5728\u590d\u6742\u7684\u5de5\u4f5c\u6d41\u3001\u72b6\u6001\u673a\u6216\u89c4\u5219\u5f15\u64ce\uff1f\n
                        \n
                      • \u662f\uff1a<\/em>\u4ece\u7c7b\u56fe\u5f00\u59cb\u3002<\/li>\n
                      • \u5426\uff1a<\/em>\u8fdb\u5165\u6b65\u9aa4 3\u3002<\/li>\n<\/ul>\n<\/li>\n
                      • \u5ba1\u67e5\u56e2\u961f\u4e13\u957f\uff1a<\/strong>\u56e2\u961f\u662f\u5426\u5177\u5907\u8f83\u5f3a\u7684 SQL \u6280\u80fd\u4f46\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09\u6280\u80fd\u8f83\u5f31\uff1f\n
                          \n
                        • \u662f\uff1a<\/em>\u5f3a\u8c03\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u4ee5\u5229\u7528\u73b0\u6709\u4f18\u52bf\uff0c\u968f\u540e\u518d\u5f15\u5165\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09\u6982\u5ff5\u3002<\/li>\n
                        • \u5426\uff1a<\/em> \u540c\u65f6\u4f7f\u7528\u4e24\u8005\u3002<\/li>\n<\/ul>\n<\/li>\n
                        • \u68c0\u67e5\u5916\u90e8\u4f9d\u8d56\u9879\uff1a<\/strong> \u60a8\u662f\u5426\u6b63\u5728\u4f7f\u7528\u73b0\u6709\u7684 API \u6216\u9057\u7559\u6570\u636e\u5e93\uff1f\n
                            \n
                          • \u662f\uff1a<\/em> \u9996\u5148\u4f7f\u7528\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u5bf9\u5916\u90e8\u7ea6\u675f\u8fdb\u884c\u5efa\u6a21\u3002<\/li>\n
                          • \u5426\uff1a<\/em> \u8bbe\u8ba1\u7c7b\u56fe\u4ee5\u5b9a\u4e49\u60a8\u7684\u613f\u666f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

                            \u5173\u4e8e\u5efa\u6a21\u7684\u6700\u7ec8\u601d\u8003 \ud83d\udcdd<\/h2>\n

                            \u5728\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u548c\u7c7b\u56fe\u4e4b\u95f4\u8fdb\u884c\u9009\u62e9\u5e76\u975e\u975e\u6b64\u5373\u5f7c\u7684\u4e8c\u5143\u5bf9\u7acb\u3002\u8fd9\u662f\u4e00\u4e2a\u57fa\u4e8e\u60a8\u5177\u4f53\u9879\u76ee\u4e2d\u590d\u6742\u6027\u6240\u5728\u4f4d\u7f6e\u7684\u6218\u7565\u6027\u51b3\u7b56\u3002ERD \u4fdd\u62a4\u60a8\u7684\u6570\u636e\uff0c\u800c\u7c7b\u56fe\u4fdd\u62a4\u60a8\u7684\u903b\u8f91\u3002\u6210\u529f\u7684\u67b6\u6784\u901a\u5e38\u6d89\u53ca\u5728\u8fd9\u4e24\u8005\u4e4b\u95f4\u53cd\u590d\u8fed\u4ee3\u3002\u968f\u7740\u9700\u6c42\u7684\u53d8\u5316\uff0c\u6570\u636e\u6a21\u578b\u5fc5\u987b\u6f14\u8fdb\uff0c\u5bf9\u8c61\u6a21\u578b\u4e5f\u5fc5\u987b\u9002\u5e94\u3002<\/p>\n

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