{"id":1727,"date":"2026-03-28T16:31:32","date_gmt":"2026-03-28T16:31:32","guid":{"rendered":"https:\/\/www.viz-read.com\/tw\/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\/tw\/erd-vs-class-diagram-guide\/","title":{"rendered":"\u5be6\u9ad4\u95dc\u4fc2\u5716\u8207\u985e\u5225\u5716\uff1a\u5728\u5c08\u6848\u4e2d\u4f55\u6642\u4f7f\u7528\u4f55\u8005"},"content":{"rendered":"

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

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    \n
  • \u6838\u5fc3\u7126\u9ede\uff1a<\/strong>\u8cc7\u6599\u6301\u4e45\u6027\u8207\u95dc\u806f\u5b8c\u6574\u6027\u3002<\/li>\n
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  • \u95dc\u9375\u7d44\u6210\u5143\u7d20\uff1a<\/strong><\/li>\n<\/ul>\n
      \n
    • \u5be6\u9ad4\uff1a<\/strong>\u4ee5\u8868\u683c\u8868\u793a\uff0c\u9019\u4e9b\u662f\u611f\u8208\u8da3\u7684\u7269\u4ef6\uff0c\u4f8b\u5982\u300c\u5ba2\u6236<\/em>, \u8a02\u55ae<\/em>\uff0c\u6216\u300c\u7522\u54c1<\/em>.<\/li>\n
    • \u5c6c\u6027\uff1a<\/strong>\u5be6\u9ad4\u7684\u7279\u5b9a\u5c6c\u6027\uff0c\u4f8b\u5982\u300c\u5ba2\u6236\u540d\u7a31<\/em>\u6216\u300c\u8a02\u55ae\u65e5\u671f<\/em>\u3002\u9019\u4e9b\u5c0d\u61c9\u81f3\u8cc7\u6599\u5eab\u8868\u683c\u4e2d\u7684\u6b04\u4f4d\u3002<\/li>\n
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      \u7406\u89e3\u985e\u5225\u5716 \ud83e\udde9<\/h2>\n

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        \n
      • \u6838\u5fc3\u7126\u9ede\uff1a<\/strong>\u8edf\u9ad4\u884c\u70ba\u3001\u908f\u8f2f\u8207\u7269\u4ef6\u4e92\u52d5\u3002<\/li>\n
      • \u4e3b\u8981\u53d7\u773e\uff1a<\/strong>\u8edf\u9ad4\u5de5\u7a0b\u5e2b\u3001\u524d\u7aef\u958b\u767c\u4eba\u54e1\u8207\u7cfb\u7d71\u8a2d\u8a08\u5e2b\u3002<\/li>\n
      • \u95dc\u9375\u7d44\u4ef6\uff1a<\/strong><\/li>\n<\/ul>\n
          \n
        • \u985e\u5225\uff1a<\/strong>\u7269\u4ef6\u7684\u85cd\u5716\u3002\u985e\u5225\u5b9a\u7fa9\u5be6\u9ad4\u7684\u72c0\u614b\uff08\u5c6c\u6027\uff09\u8207\u884c\u70ba\uff08\u65b9\u6cd5\uff09\u3002<\/li>\n
        • \u65b9\u6cd5\uff1a<\/strong>\u7269\u4ef6\u53ef\u57f7\u884c\u7684\u51fd\u5f0f\u6216\u64cd\u4f5c\uff0c\u4f8b\u5982\u300ccalculateTotal()<\/em>\u300d\u6216\u300cvalidateUser()<\/em>.<\/li>\n
        • \u7e7c\u627f\uff1a<\/strong>\u985e\u5225\u5f9e\u5176\u4ed6\u985e\u5225\u884d\u751f\u5c6c\u6027\u8207\u65b9\u6cd5\u7684\u80fd\u529b\uff0c\u4fc3\u9032\u7a0b\u5f0f\u78bc\u91cd\u7528\u3002<\/li>\n
        • \u4ecb\u9762\uff1a<\/strong>\u5b9a\u7fa9\u985e\u5225\u5fc5\u9808\u57f7\u884c\u4ec0\u9ebc\u64cd\u4f5c\u7684\u5951\u7d04\uff0c\u4f46\u4e0d\u6307\u5b9a\u5982\u4f55\u57f7\u884c\u3002<\/li>\n
        • \u53ef\u898b\u6027\uff1a<\/strong>\u5b58\u53d6\u4fee\u98fe\u5b50\uff0c\u4f8b\u5982\u300cpublic<\/em>, private<\/em>\u300d\u6216\u300cprotected<\/em>\u7528\u65bc\u63a7\u5236\u985e\u5225\u5982\u4f55\u4e92\u52d5\u3002<\/li>\n<\/ul>\n

          \u5728\u985e\u5225\u5716\u4e2d\uff0c\u95dc\u806f\u4e0d\u50c5\u9650\u65bc\u7c21\u55ae\u7684\u8cc7\u6599\u9023\u7d50\u3002\u5b83\u5011\u5305\u542b\u95dc\u806f\u3001\u805a\u5408\u8207\u7d44\u5408\u3002\u7d44\u5408\u6697\u793a\u66f4\u5f37\u7684\u95dc\u4fc2\uff0c\u5176\u4e2d\u4e00\u500b\u7269\u4ef6\u7684\u751f\u547d\u9031\u671f\u53d6\u6c7a\u65bc\u53e6\u4e00\u500b\u7269\u4ef6\u3002\u4f8b\u5982\uff0c\u4e00\u8f1b\u300cCar<\/em>\u985e\u5225\u53ef\u80fd\u7531 \u5f15\u64ce<\/em> \u548c \u8f2a\u5b50<\/em> \u985e\u5225\u7d44\u6210\uff1b\u82e5 \u6c7d\u8eca<\/em> \u88ab\u92b7\u6bc0\uff0c\u5247 \u5f15\u64ce<\/em> \u548c \u8f2a\u5b50<\/em> \u5728\u8a72\u60c5\u5883\u4e0b\u5c07\u4e0d\u518d\u5b58\u5728\u3002<\/p>\n

          \u95dc\u9375\u5dee\u7570\u4e00\u89bd \u2696\ufe0f<\/h2>\n

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          \u7279\u6027<\/th>\n\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09<\/th>\n\u985e\u5225\u5716<\/th>\n<\/tr>\n<\/thead>\n
          \u9818\u57df<\/strong><\/td>\n\u8cc7\u6599\u5eab\u5c64<\/td>\n\u61c9\u7528\u7a0b\u5f0f \/ \u7a0b\u5f0f\u78bc\u5c64<\/td>\n<\/tr>\n
          \u95dc\u806f<\/strong><\/td>\n\u5916\u9375\u3001\u57fa\u6578\uff081:1\u30011:N\uff09<\/td>\n\u95dc\u806f\u3001\u7e7c\u627f\u3001\u805a\u5408<\/td>\n<\/tr>\n
          \u884c\u70ba<\/strong><\/td>\n\u7121\uff08\u50c5\u6578\u64da\uff09<\/td>\n\u65b9\u6cd5\u3001\u51fd\u5f0f\u3001\u908f\u8f2f<\/td>\n<\/tr>\n
          \u6700\u4f73\u5316<\/strong><\/td>\n\u6b63\u898f\u5316\u3001\u7d22\u5f15<\/td>\n\u8026\u5408\u3001\u5167\u805a\u3001\u591a\u578b<\/td>\n<\/tr>\n
          \u8f38\u51fa<\/strong><\/td>\nSQL \u7d50\u69cb<\/td>\n\u539f\u59cb\u78bc<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u4f55\u6642\u61c9\u512a\u5148\u8003\u616e\u5be6\u9ad4\u95dc\u4fc2\u5716 \ud83d\udcbe<\/h2>\n

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          1. \u8cc7\u6599\u5bc6\u96c6\u578b\u61c9\u7528\u7a0b\u5f0f<\/h3>\n

          \u5982\u679c\u60a8\u7684\u5c08\u6848\u6d89\u53ca\u5927\u91cf\u8cc7\u6599\u8655\u7406\uff0c\u4f8b\u5982\u5206\u6790\u5e73\u53f0\u3001\u5831\u8868\u5de5\u5177\u6216\u5167\u5bb9\u7ba1\u7406\u7cfb\u7d71\uff0c\u90a3\u9ebc\u8cc7\u6599\u7d50\u69cb\u5c07\u6c7a\u5b9a\u7cfb\u7d71\u7684\u6210\u6557\u3002\u5be6\u9ad4\u95dc\u4fc2\u5716\u8b93\u60a8\u5728\u64b0\u5beb\u4efb\u4f55\u5f8c\u7aef\u7a0b\u5f0f\u78bc\u4e4b\u524d\uff0c\u5c31\u80fd\u8996\u89ba\u5316\u8907\u96dc\u7684\u95dc\u806f\u8207\u76f8\u4f9d\u95dc\u4fc2\u3002\u5b83\u6709\u52a9\u65bc\u8b58\u5225\u67e5\u8a62\u6548\u80fd\u7684\u74f6\u9838\u3002<\/p>\n

            \n
          • \u6b63\u898f\u5316\uff1a<\/strong>\u4f7f\u7528\u5be6\u9ad4\u95dc\u4fc2\u5716\u78ba\u4fdd\u8cc7\u6599\u4e0d\u6703\u88ab\u4e0d\u5fc5\u8981\u5730\u91cd\u8907\u3002\u9019\u80fd\u964d\u4f4e\u5132\u5b58\u6210\u672c\u4e26\u9632\u6b62\u66f4\u65b0\u7570\u5e38\u3002<\/li>\n
          • \u7d04\u675f\u689d\u4ef6\uff1a<\/strong>\u5b9a\u7fa9\u56b4\u683c\u7684\u8cc7\u6599\u8f38\u5165\u898f\u5247\u3002\u4f8b\u5982\uff0c\u78ba\u4fdd\u4e00\u500b\u300c\u4ea4\u6613\u300d<\/em>\u7121\u6cd5\u5728\u6c92\u6709\u95dc\u806f\u7684\u300c\u5e33\u6236\u300d\u7684\u60c5\u6cc1\u4e0b\u5b58\u5728\u3002<\/em>.<\/li>\n
          • \u7d50\u69cb\u9077\u79fb\uff1a<\/strong>\u5728\u898f\u5283\u8cc7\u6599\u5eab\u9077\u79fb\u6642\uff0c\u5be6\u9ad4\u95dc\u4fc2\u5716\u4f5c\u70ba\u8cc7\u6599\u8868\u5982\u4f55\u96a8\u6642\u9593\u6f14\u8b8a\u7684\u771f\u5be6\u4f86\u6e90\u3002<\/li>\n<\/ul>\n

            2. \u591a\u7cfb\u7d71\u6574\u5408<\/h3>\n

            \u7576\u591a\u500b\u61c9\u7528\u7a0b\u5f0f\u9700\u8981\u5171\u7528\u540c\u4e00\u500b\u8cc7\u6599\u5eab\u6642\uff0c\u5be6\u9ad4\u95dc\u4fc2\u5716\u5373\u4f5c\u70ba\u5408\u7d04\u3002\u5b83\u78ba\u4fdd\u6240\u6709\u7cfb\u7d71\u5c0d\u6b04\u4f4d\u6216\u95dc\u806f\u7684\u610f\u7fa9\u9054\u6210\u5171\u8b58\u3002\u82e5\u7f3a\u4e4f\u6a19\u6e96\u5316\u7684\u5be6\u9ad4\u95dc\u4fc2\u5716\uff0c\u4e0d\u540c\u5718\u968a\u53ef\u80fd\u6703\u5c0d\u300c\u4f7f\u7528\u8005 ID<\/em>\u6709\u4e0d\u540c\u7684\u8a6e\u91cb\uff0c\u9032\u800c\u5c0e\u81f4\u8cc7\u6599\u640d\u6bc0\u3002<\/p>\n

            3. \u820a\u7cfb\u7d71\u73fe\u4ee3\u5316<\/h3>\n

            \u5728\u9006\u5411\u5de5\u7a0b\u73fe\u6709\u8cc7\u6599\u5eab\u6642\uff0c\u5be6\u9ad4\u95dc\u4fc2\u5716\u901a\u5e38\u662f\u8d77\u9ede\u3002\u5b83\u5354\u52a9\u65b0\u958b\u767c\u4eba\u54e1\u7406\u89e3\u8cc7\u6599\u7d50\u69cb\u7684\u6b77\u53f2\u80cc\u666f\u3002\u63a5\u8457\uff0c\u60a8\u53ef\u4ee5\u5c07\u6b64\u7d50\u69cb\u6620\u5c04\u81f3\u65b0\u7684\u61c9\u7528\u7a0b\u5f0f\u908f\u8f2f\uff0c\u78ba\u4fdd\u5728\u904e\u6e21\u904e\u7a0b\u4e2d\u4e0d\u6703\u907a\u5931\u4efb\u4f55\u8cc7\u6599\u3002<\/p>\n

            \u4f55\u6642\u61c9\u512a\u5148\u8003\u616e\u985e\u5225\u5716 \ud83c\udfd7\ufe0f<\/h2>\n

            \u7576\u61c9\u7528\u7a0b\u5f0f\u908f\u8f2f\u7684\u8907\u96dc\u5ea6\u8d85\u904e\u8cc7\u6599\u5132\u5b58\u8907\u96dc\u5ea6\u6642\uff0c\u985e\u5225\u5716\u4fbf\u6210\u70ba\u512a\u5148\u8003\u91cf\u3002\u9019\u5728\u5546\u696d\u61c9\u7528\u7a0b\u5f0f\u4e2d\u5f88\u5e38\u898b\uff0c\u56e0\u70ba\u8a72\u9818\u57df\u7684\u898f\u5247\u5f80\u5f80\u76f8\u7576\u8907\u96dc\u3002<\/p>\n

            1. \u8907\u96dc\u7684\u5546\u696d\u908f\u8f2f<\/h3>\n

            \u5982\u679c\u60a8\u7684\u5c08\u6848\u9700\u8981\u8907\u96dc\u7684\u5de5\u4f5c\u6d41\u7a0b\u3001\u72c0\u614b\u7ba1\u7406\u6216\u8907\u96dc\u8a08\u7b97\uff0c\u985e\u5225\u5716\u80fd\u6355\u6349\u9019\u4e9b\u884c\u70ba\u3002\u5be6\u9ad4\u95dc\u4fc2\u5716\u7121\u6cd5\u986f\u793a\u300c\u6298\u6263\u300d<\/em>\u985e\u5225\u5fc5\u9808\u5728\u5957\u7528\u6298\u6e1b\u524d\uff0c\u8655\u65bc\u7279\u5b9a\u72c0\u614b\u7684\u300c\u8cfc\u7269\u8eca\u300d<\/em>\u985e\u5225\u3002<\/p>\n

              \n
            • \u5c01\u88dd\uff1a<\/strong>\u60a8\u53ef\u4ee5\u8996\u89ba\u5316\u54ea\u4e9b\u8cc7\u6599\u5c0d\u5916\u90e8\u6a21\u7d44\u96b1\u85cf\u3002\u9019\u5c0d\u65bc\u7dad\u8b77\u5b89\u5168\u6027\u53ca\u6e1b\u5c11\u932f\u8aa4\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n
            • \u591a\u578b\uff1a<\/strong>\u5c55\u793a\u4e0d\u540c\u985e\u578b\u7684\u7269\u4ef6\u5982\u4f55\u80fd\u88ab\u7d71\u4e00\u8655\u7406\u3002\u4f8b\u5982\uff0c\u4e00\u500b \u4ed8\u6b3e<\/em>\u4ecb\u9762\u53ef\u7531\u4ee5\u4e0b\u985e\u5225\u5be6\u4f5c\uff1a\u4fe1\u7528\u5361<\/em>, PayPal<\/em>\u3001\u6216 \u52a0\u5bc6\u8ca8\u5e63<\/em>\u985e\u5225\u3002<\/li>\n<\/ul>\n

              2. \u7269\u4ef6\u5c0e\u5411\u67b6\u69cb<\/h3>\n

              \u5728\u57fa\u65bc Java\u3001C# \u6216 Python \u7b49\u8a9e\u8a00\u5efa\u69cb\u7684\u7cfb\u7d71\u4e2d\uff0c\u985e\u5225\u5716\u6703\u53cd\u6620\u5be6\u969b\u7684\u7a0b\u5f0f\u78bc\u7d50\u69cb\u3002\u5b83\u5354\u52a9\u958b\u767c\u4eba\u54e1\u898f\u5283\u7e7c\u627f\u968e\u5c64\u3002\u9019\u80fd\u6e1b\u5c11\u5728\u958b\u767c\u9031\u671f\u5f8c\u671f\u9032\u884c\u91cd\u69cb\u7684\u9700\u6c42\u3002<\/p>\n

              3. \u524d\u7aef\u6574\u5408<\/h3>\n

              \u5728\u8a2d\u8a08\u4f7f\u7528\u8005\u4ecb\u9762\u6642\uff0c\u8cc7\u6599\u901a\u5e38\u9700\u8f49\u63db\u70ba UI \u53ef\u4f7f\u7528\u7684\u7269\u4ef6\u3002\u985e\u5225\u5716\u6709\u52a9\u65bc\u5b9a\u7fa9\u9019\u4e9b DTO\uff08\u8cc7\u6599\u50b3\u8f38\u7269\u4ef6\uff09\u3002\u5b83\u78ba\u4fdd\u524d\u7aef\u6536\u5230\u6240\u9700\u5167\u5bb9\uff0c\u540c\u6642\u4e0d\u66b4\u9732\u654f\u611f\u7684\u8cc7\u6599\u5eab\u6b04\u4f4d\u3002<\/p>\n

              \u586b\u88dc\u5dee\u8ddd\uff1a\u6574\u5408\u7b56\u7565 \ud83d\udd17<\/h2>\n

              \u5c08\u6848\u50c5\u4f9d\u8cf4\u55ae\u4e00\u5716\u8868\u7684\u60c5\u6cc1\u76f8\u7576\u7f55\u898b\u3002\u5927\u591a\u6578\u7a69\u5065\u7684\u7cfb\u7d71\u9700\u8981\u5728\u8cc7\u6599\u6a21\u578b\u8207\u7269\u4ef6\u6a21\u578b\u4e4b\u9593\u9032\u884c\u8f49\u63db\u3002\u6b64\u904e\u7a0b\u901a\u5e38\u7a31\u70ba\u7269\u4ef6\u95dc\u806f\u6620\u5c04\uff08ORM\uff09\u3002<\/p>\n

                \n
              • \u5c07\u5be6\u9ad4\u6620\u5c04\u81f3\u985e\u5225\uff1a<\/strong>ERD \u4e2d\u7684 \u5be6\u9ad4<\/em>\u901a\u5e38\u5c0d\u61c9\u5230\u7a0b\u5f0f\u78bc\u4e2d\u7684 \u985e\u5225<\/em>\u3002\u7136\u800c\uff0c\u82e5\u70ba\u63d0\u5347\u6548\u80fd\u800c\u5c07\u8cc7\u6599\u5eab\u7d50\u69cb\u5206\u6563\u81f3\u591a\u500b\u8cc7\u6599\u8868\uff08\u5206\u7247\u6216\u5206\u5340\uff09\uff0c\u5247\u4e00\u500b\u985e\u5225\u53ef\u80fd\u5305\u542b\u591a\u500b\u5be6\u9ad4\u3002<\/li>\n
              • \u8655\u7406\u591a\u5c0d\u591a\u95dc\u4fc2\uff1a<\/strong>\u5728 ERD \u4e2d\uff0c\u591a\u5c0d\u591a\u95dc\u4fc2\u53ef\u80fd\u9700\u8981\u4e00\u500b\u95dc\u806f\u8cc7\u6599\u8868\u3002\u5728\u985e\u5225\u5716\u4e2d\uff0c\u9019\u901a\u5e38\u8868\u793a\u70ba\u985e\u5225\u5167\u7684\u96c6\u5408\uff08\u4f8b\u5982\uff0c\u4e00\u500b \u5b78\u751f<\/em>\u985e\u5225\u6301\u6709 \u8ab2\u7a0b<\/em>\u7269\u4ef6\u7684\u6e05\u55ae\uff09\u3002<\/li>\n
              • \u53cd\u6b63\u898f\u5316\uff1a<\/strong>\u6709\u6642\uff0c\u70ba\u4e86\u63d0\u5347\u8b80\u53d6\u6548\u80fd\uff0c\u8cc7\u6599\u6703\u5728\u8cc7\u6599\u5eab\u4e2d\u9032\u884c\u53cd\u6b63\u898f\u5316\u3002\u985e\u5225\u5716\u53ef\u80fd\u9700\u8981\u900f\u904e\u5305\u542b\u672a\u76f4\u63a5\u5c0d\u61c9\u55ae\u4e00\u8cc7\u6599\u5eab\u6b04\u4f4d\u7684\u5c6c\u6027\u4f86\u53cd\u6620\u6b64\u60c5\u6cc1\u3002<\/li>\n<\/ul>\n

                \u7406\u89e3\u6b64\u5c0d\u61c9\u95dc\u4fc2\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u985e\u5225\u5716\u8207\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u4e0d\u4e00\u81f4\uff0c\u958b\u767c\u4eba\u54e1\u53ef\u80fd\u96e3\u4ee5\u6b63\u78ba\u5730\u6301\u4e45\u5316\u8cc7\u6599\u3002\u53cd\u4e4b\uff0c\u82e5\u5be6\u9ad4\u95dc\u4fc2\u5716\u672a\u80fd\u53cd\u6620\u985e\u5225\u5716\u4e2d\u6240\u6355\u6349\u7684\u696d\u52d9\u898f\u5247\uff0c\u8cc7\u6599\u5eab\u53ef\u80fd\u6703\u5f37\u5236\u57f7\u884c\u9650\u5236\uff0c\u9032\u800c\u963b\u7919\u61c9\u7528\u7a0b\u5f0f\u7684\u529f\u80fd\u3002<\/p>\n

                \u5e38\u898b\u5efa\u6a21\u932f\u8aa4 \u26a0\ufe0f<\/h2>\n

                \u8aa4\u7528\u9019\u4e9b\u5716\u8868\u53ef\u80fd\u5c0e\u81f4\u56b4\u91cd\u7684\u6280\u8853\u50b5\u3002\u8acb\u907f\u514d\u4ee5\u4e0b\u9677\u9631\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684\u67b6\u69cb\u4fdd\u6301\u7a69\u56fa\u3002<\/p>\n

                  \n
                • \u5ffd\u7565\u5be6\u9ad4\u95dc\u4fc2\u5716\u4e2d\u7684\u57fa\u6578\uff08Cardinality\uff09\uff1a<\/strong>\u672a\u80fd\u5b9a\u7fa9\u6b63\u78ba\u7684\u57fa\u6578\uff08\u4e00\u5c0d\u4e00 vs. \u4e00\u5c0d\u591a\uff09\u6703\u5c0e\u81f4\u95dc\u4fc2\u6a21\u7cca\u3002\u9019\u6703\u4f7f\u67e5\u8a62\u6548\u7387\u964d\u4f4e\uff0c\u4e14\u96e3\u4ee5\u78ba\u4fdd\u8cc7\u6599\u5b8c\u6574\u6027\u3002<\/li>\n
                • \u985e\u5225\u5716\u904e\u5ea6\u5efa\u6a21\uff1a<\/strong>\u5efa\u7acb\u96e3\u4ee5\u7dad\u8b77\u7684\u6df1\u5c64\u7e7c\u627f\u968e\u5c64\u3002\u6709\u6642\uff0c\u7d44\u5408\uff08Composition\uff09\u662f\u6bd4\u7e7c\u627f\u66f4\u597d\u7684\u9078\u64c7\u3002\u82e5\u4e00\u500b\u985e\u5225\u64c1\u6709\u904e\u591a\u65b9\u6cd5\uff0c\u53ef\u80fd\u8868\u793a\u5b83\u627f\u64d4\u4e86\u904e\u591a\u8077\u8cac\u3002<\/li>\n
                • \u6df7\u6dc6\u72c0\u614b\u8207\u884c\u70ba\uff1a<\/strong>\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u986f\u793a\u72c0\u614b\uff08\u5c6c\u6027\uff09\uff0c\u800c\u985e\u5225\u5716\u986f\u793a\u884c\u70ba\uff08\u65b9\u6cd5\uff09\u3002\u5207\u52ff\u5617\u8a66\u5c07\u884c\u70ba\u5f37\u884c\u7d0d\u5165\u5be6\u9ad4\u95dc\u4fc2\u5716\u4e2d\uff0c\u56e0\u70ba\u5b83\u7f3a\u4e4f\u8868\u793a\u908f\u8f2f\u7684\u8a9e\u6cd5\u3002<\/li>\n
                • \u5ffd\u8996\u9818\u57df\u6a21\u578b\uff1a<\/strong>\u985e\u5225\u5716\u61c9\u53cd\u6620\u696d\u52d9\u898f\u5247\uff0c\u800c\u4e0d\u50c5\u662f\u8cc7\u6599\u5eab\u8868\u683c\u3002\u82e5\u60a8\u7684\u985e\u5225\u5716\u76f4\u63a5\u8907\u88fd\u81ea\u5be6\u9ad4\u95dc\u4fc2\u5716\uff0c\u60a8\u53ef\u80fd\u932f\u904e\u4e86\u5c01\u88dd\u908f\u8f2f\u8207\u7c21\u5316 API \u7684\u6a5f\u6703\u3002<\/li>\n<\/ul>\n

                  \u6c7a\u7b56\u6846\u67b6 \ud83e\udded<\/h2>\n

                  \u5728\u555f\u52d5\u65b0\u5c08\u6848\u6642\uff0c\u8acb\u4f7f\u7528\u6b64\u6846\u67b6\u6c7a\u5b9a\u512a\u5148\u8655\u7406\u54ea\u7a2e\u5716\u8868\u3002<\/p>\n

                    \n
                  1. \u8b58\u5225\u74f6\u9838\uff1a<\/strong>\u6311\u6230\u662f\u5426\u4e3b\u8981\u5728\u65bc\u8cc7\u6599\u5132\u5b58\u3001\u6aa2\u7d22\u8207\u5bb9\u91cf\uff1f\n
                      \n
                    • \u662f\uff1a<\/em>\u5f9e\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u958b\u59cb\u3002<\/li>\n
                    • \u5426\uff1a<\/em>\u8acb\u9032\u5165\u6b65\u9a5f 2\u3002<\/li>\n<\/ul>\n<\/li>\n
                    • \u8a55\u4f30\u908f\u8f2f\u8907\u96dc\u5ea6\uff1a<\/strong>\u662f\u5426\u5b58\u5728\u8907\u96dc\u7684\u5de5\u4f5c\u6d41\u7a0b\u3001\u72c0\u614b\u6a5f\u6216\u898f\u5247\u5f15\u64ce\uff1f\n
                        \n
                      • \u662f\uff1a<\/em>\u5f9e\u985e\u5225\u5716\u958b\u59cb\u3002<\/li>\n
                      • \u5426\uff1a<\/em>\u8acb\u9032\u5165\u6b65\u9a5f 3\u3002<\/li>\n<\/ul>\n<\/li>\n
                      • \u6aa2\u8996\u5718\u968a\u5c08\u696d\u80fd\u529b\uff1a<\/strong>\u5718\u968a\u662f\u5426\u64c1\u6709\u5f37\u52c1\u7684 SQL \u6280\u80fd\uff0c\u4f46\u7269\u4ef6\u5c0e\u5411\uff08OOP\uff09\u6280\u80fd\u8f03\u5f31\uff1f\n
                          \n
                        • \u662f\uff1a<\/em>\u5f37\u8abf\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u4ee5\u5229\u7528\u73fe\u6709\u512a\u52e2\uff0c\u96a8\u5f8c\u518d\u5f15\u5165\u7269\u4ef6\u5c0e\u5411\uff08OOP\uff09\u6982\u5ff5\u3002<\/li>\n
                        • \u5426\uff1a<\/em> \u540c\u6642\u4f7f\u7528\u5169\u8005\u3002<\/li>\n<\/ul>\n<\/li>\n
                        • \u6aa2\u67e5\u5916\u90e8\u4f9d\u8cf4\u95dc\u4fc2\uff1a<\/strong> \u60a8\u662f\u5426\u6b63\u5728\u4f7f\u7528\u73fe\u6709\u7684 API \u6216\u820a\u7cfb\u7d71\u8cc7\u6599\u5eab\uff1f\n
                            \n
                          • \u662f\uff1a<\/em> \u9996\u5148\u4f7f\u7528\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u5c0d\u5916\u90e8\u7d04\u675f\u9032\u884c\u5efa\u6a21\u3002<\/li>\n
                          • \u5426\uff1a<\/em> \u8a2d\u8a08\u985e\u5225\u5716\u4ee5\u5b9a\u7fa9\u60a8\u7684\u9858\u666f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

                            \u95dc\u65bc\u5efa\u6a21\u7684\u6700\u7d42\u601d\u8003 \ud83d\udcdd<\/h2>\n

                            \u5728\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u8207\u985e\u5225\u5716\u4e4b\u9593\u505a\u51fa\u9078\u64c7\u4e26\u975e\u975e\u6b64\u5373\u5f7c\u7684\u4e8c\u5143\u6c7a\u7b56\u3002\u9019\u662f\u4e00\u9805\u57fa\u65bc\u60a8\u5c08\u6848\u4e2d\u8907\u96dc\u6027\u6240\u5728\u4f4d\u7f6e\u7684\u6230\u7565\u6027\u6c7a\u5b9a\u3002ERD \u4fdd\u8b77\u60a8\u7684\u8cc7\u6599\uff0c\u800c\u985e\u5225\u5716\u5247\u4fdd\u8b77\u60a8\u7684\u908f\u8f2f\u3002\u6210\u529f\u7684\u67b6\u69cb\u901a\u5e38\u6d89\u53ca\u5728\u9019\u5169\u8005\u4e4b\u9593\u53cd\u8986\u8fed\u4ee3\u3002\u96a8\u8457\u9700\u6c42\u8b8a\u66f4\uff0c\u8cc7\u6599\u6a21\u578b\u5fc5\u9808\u6f14\u9032\uff0c\u7269\u4ef6\u6a21\u578b\u4e5f\u5fc5\u9808\u9069\u61c9\u3002<\/p>\n

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