{"id":1719,"date":"2026-04-11T11:51:17","date_gmt":"2026-04-11T11:51:17","guid":{"rendered":"https:\/\/www.viz-note.com\/tw\/why-erd-blocks-microservices-migration\/"},"modified":"2026-04-11T11:51:17","modified_gmt":"2026-04-11T11:51:17","slug":"why-erd-blocks-microservices-migration","status":"publish","type":"post","link":"https:\/\/www.viz-note.com\/tw\/why-erd-blocks-microservices-migration\/","title":{"rendered":"\u70ba\u4f55\u60a8\u7684\u5be6\u9ad4\u95dc\u4fc2\u5716\u6b63\u5728\u963b\u7919\u5fae\u670d\u52d9\u9077\u79fb\uff08\u4ee5\u53ca\u5982\u4f55\u89e3\u6c7a\uff09"},"content":{"rendered":"<p>\u5c07\u50b3\u7d71\u7cfb\u7d71\u73fe\u4ee3\u5316\u70ba\u5fae\u670d\u52d9\u67b6\u69cb\u662f\u4e00\u6bb5\u5145\u6eff\u6280\u8853\u8207\u7d44\u7e54\u6311\u6230\u7684\u65c5\u7a0b\u3002\u96d6\u7136\u8a31\u591a\u5718\u968a\u9ad8\u5ea6\u95dc\u6ce8\u7a0b\u5f0f\u78bc\u91cd\u69cb\u8207\u5bb9\u5668\u5316\uff0c\u4f46\u4e00\u500b\u986f\u8457\u7684\u969c\u7919\u5f80\u5f80\u51fa\u73fe\u5728\u8cc7\u6599\u5c64\u3002\u5177\u9ad4\u800c\u8a00\uff0c\u50b3\u7d71\u7684\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u6a21\u578b\u5728\u8f49\u5411\u5206\u6563\u5f0f\u7cfb\u7d71\u6642\uff0c\u53ef\u80fd\u6210\u70ba\u56b4\u91cd\u7684\u9650\u5236\u3002 \ud83d\udcc9<\/p>\n<p>\u7576\u60a8\u8a2d\u8a08\u55ae\u4e00\u61c9\u7528\u7a0b\u5f0f\u6642\uff0c\u8cc7\u6599\u6a21\u578b\u662f\u96c6\u4e2d\u7684\u3002ERD \u4ee3\u8868\u552f\u4e00\u7684\u771f\u5be6\u4f86\u6e90\uff0c\u4ee5\u6b63\u898f\u5316\u8868\u683c\u900f\u904e\u5916\u9375\u9023\u7d50\u3002\u6b64\u65b9\u6cd5\u5728\u55ae\u4e00\u8cc7\u6599\u5eab\u57f7\u884c\u500b\u9ad4\u4e2d\u904b\u4f5c\u826f\u597d\u3002\u7136\u800c\uff0c\u5fae\u670d\u52d9\u9700\u8981\u81ea\u4e3b\u6027\u3002\u7576\u60a8\u5c07\u55ae\u4e00\u61c9\u7528\u7a0b\u5f0f\u7684 ERD \u7d50\u69cb\u5f37\u52a0\u65bc\u5206\u6563\u5f0f\u67b6\u69cb\u6642\uff0c\u6703\u7522\u751f\u7dca\u5bc6\u8026\u5408\uff0c\u5f9e\u800c\u62b5\u6d88\u62c6\u5206\u7cfb\u7d71\u6240\u5e36\u4f86\u7684\u597d\u8655\u3002 \ud83d\udea7<\/p>\n<p>\u672c\u6307\u5357\u63a2\u8a0e\u50b3\u7d71 ERD 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scalable system design\" decoding=\"async\" src=\"https:\/\/www.viz-note.com\/wp-content\/uploads\/2026\/04\/erd-microservices-migration-infographic-hand-drawn-16x9-1.jpg\"\/><\/figure>\n<\/div>\n<h2>\u7406\u89e3\u5206\u6563\u5f0f\u7cfb\u7d71\u4e2d\u7684 ERD \u9677\u9631 \ud83e\udde9<\/h2>\n<p>\u5be6\u9ad4\u95dc\u4fc2\u5716\u662f\u8cc7\u6599\u5eab\u908f\u8f2f\u7d50\u69cb\u7684\u8996\u89ba\u5316\u8868\u793a\u3002\u5b83\u5b9a\u7fa9\u4e86\u5be6\u9ad4\uff08\u8868\u683c\uff09\u3001\u5c6c\u6027\uff08\u6b04\u4f4d\uff09\u548c\u95dc\u4fc2\uff08\u5916\u9375\uff09\u3002\u5728\u55ae\u4e00\u61c9\u7528\u7a0b\u5f0f\u74b0\u5883\u4e2d\uff0c\u9019\u7a2e\u96c6\u4e2d\u5316\u662f\u4e00\u5927\u512a\u52e2\u3002\u5b83\u900f\u904e ACID \u4ea4\u6613\u78ba\u4fdd\u8cc7\u6599\u5b8c\u6574\u6027\uff0c\u4e26\u7c21\u5316\u5c0d\u6574\u500b\u61c9\u7528\u7a0b\u5f0f\u7684\u67e5\u8a62\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5fae\u670d\u52d9\u67b6\u69cb\u5efa\u7acb\u5728\u300c<strong>\u670d\u52d9\u81ea\u4e3b\u6027<\/strong>\u300d\u539f\u5247\u4e4b\u4e0a\u3002\u6bcf\u500b\u670d\u52d9\u61c9\u64c1\u6709\u5176\u8cc7\u6599\uff0c\u4e26\u50c5\u900f\u904e API \u66b4\u9732\u3002\u7576\u60a8\u7dad\u6301\u4e00\u500b\u8de8\u8d8a\u591a\u500b\u670d\u52d9\u7684\u5171\u4eab ERD \u6642\uff0c\u4fbf\u9055\u53cd\u4e86\u6240\u6709\u6b0a\u7684\u754c\u7dda\u3002\u9019\u6703\u5c0e\u81f4\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u5168\u57df\u7d50\u69cb\u4f9d\u8cf4\uff1a<\/strong> \u5982\u679c\u670d\u52d9 A \u9700\u8981\u5728\u8cc7\u6599\u5eab\u5c64\u7d1a\u76f4\u63a5\u8207\u670d\u52d9 B \u7684\u8cc7\u6599\u9032\u884c\u95dc\u806f\uff0c\u5b83\u5011\u5c31\u4e0d\u518d\u7368\u7acb\u3002\u670d\u52d9 B \u7684\u7d50\u69cb\u8b8a\u66f4\u6703\u5c0e\u81f4\u670d\u52d9 A \u5931\u6548\u3002<\/li>\n<li><strong>\u4ea4\u6613\u908a\u754c\uff1a<\/strong> \u8de8\u591a\u500b\u8cc7\u6599\u5eab\u7684 ACID \u4ea4\u6613\u8907\u96dc\u4e14\u6548\u80fd\u8ca0\u64d4\u6c89\u91cd\u3002\u5206\u6563\u5f0f\u4ea4\u6613\u7d93\u5e38\u5c0e\u81f4\u9396\u7af6\u722d\u8207\u5ef6\u9072\u6ce2\u52d5\u3002<\/li>\n<li><strong>\u90e8\u7f72\u8026\u5408\uff1a<\/strong> \u5982\u679c\u60a8\u7684\u8cc7\u6599\u6a21\u578b\u662f\u5171\u4eab\u7684\uff0c\u4fbf\u7121\u6cd5\u7368\u7acb\u90e8\u7f72\u670d\u52d9\u3002\u60a8\u5fc5\u9808\u8de8\u5718\u968a\u5354\u8abf\u7d50\u69cb\u8b8a\u66f4\uff0c\u5f9e\u800c\u62d6\u6162\u767c\u5e03\u9031\u671f\u3002<\/li>\n<li><strong>\u5c01\u9589\u4e0a\u4e0b\u6587\u6df7\u6dc6\uff1a<\/strong> \u4e0d\u540c\u7684\u670d\u52d9\u53ef\u80fd\u5c0d\u540c\u4e00\u5be6\u9ad4\u6709\u4e0d\u540c\u7684\u7406\u89e3\u3002ERD \u5f37\u5236\u55ae\u4e00\u5b9a\u7fa9\uff0c\u5ffd\u7565\u4e86\u9818\u57df\u7279\u5b9a\u7684\u7d30\u7bc0\u5dee\u7570\u3002<\/li>\n<\/ul>\n<h2>\u8026\u5408\u554f\u984c\uff1a\u5916\u9375\u8207\u95dc\u806f \ud83d\udd17<\/h2>\n<p>\u9077\u79fb\u904e\u7a0b\u4e2d\u6700\u5e38\u898b\u7684\u932f\u8aa4\u4e4b\u4e00\uff0c\u662f\u5728\u62c6\u5206\u61c9\u7528\u7a0b\u5f0f\u7a0b\u5f0f\u78bc\u7684\u540c\u6642\uff0c\u8a66\u5716\u4fdd\u6301\u73fe\u6709\u8cc7\u6599\u5eab\u7d50\u69cb\u4e0d\u8b8a\u3002\u9019\u6703\u5c0e\u81f4\u300c<em>\u5171\u4eab\u8cc7\u6599\u5eab\u53cd\u6a21\u5f0f<\/em>\u300d\u3002\u5728\u6b64\u60c5\u5883\u4e0b\uff0c\u591a\u500b\u670d\u52d9\u9023\u63a5\u5230\u540c\u4e00\u500b\u8cc7\u6599\u5eab\u57f7\u884c\u500b\u9ad4\uff0c\u4f9d\u8cf4\u5916\u9375\u4f86\u7dad\u6301\u95dc\u4fc2\u3002<\/p>\n<p>\u96d6\u7136\u9019\u770b\u8d77\u4f86\u50cf\u662f\u6709\u6548\u7684 ERD \u7d50\u69cb\uff0c\u4f46\u5176\u5be6\u662f\u4e00\u7a2e\u96b1\u85cf\u7684\u55ae\u4e00\u61c9\u7528\u7a0b\u5f0f\u3002\u4ee5\u4e0b\u662f\u6b64\u65b9\u6cd5\u5728\u5fae\u670d\u52d9\u74b0\u5883\u4e2d\u5931\u6557\u7684\u539f\u56e0\uff1a<\/p>\n<ol>\n<li><strong>\u7db2\u8def\u5ef6\u9072\uff1a<\/strong> \u5373\u4f7f\u8cc7\u6599\u5eab\u4f4d\u65bc\u540c\u4e00\u7db2\u8def\u5167\uff0c\u8de8\u670d\u52d9\u67e5\u8a62\u4ecd\u6703\u5f15\u5165\u7db2\u8def\u8df3\u8e8d\uff0c\u5c0e\u81f4\u6548\u80fd\u52a3\u65bc\u672c\u5730\u67e5\u8a62\u3002<\/li>\n<li><strong>\u55ae\u9ede\u6545\u969c\uff1a<\/strong> \u5982\u679c\u8cc7\u6599\u5eab\u7576\u6a5f\uff0c\u6240\u6709\u670d\u52d9\u90fd\u6703\u7576\u6a5f\u3002\u5fae\u670d\u52d9\u7684\u76ee\u6a19\u662f\u900f\u904e\u9694\u96e2\u4f86\u5be6\u73fe\u97cc\u6027\u3002<\/li>\n<li><strong>\u5b89\u5168\u98a8\u96aa\uff1a<\/strong> \u672c\u4e0d\u61c9\u76f4\u63a5\u5b58\u53d6\u5176\u4ed6\u8cc7\u6599\u7684\u670d\u52d9\uff0c\u4ecd\u53ef\u900f\u904e\u8cc7\u6599\u5eab\u9023\u63a5\u5b57\u4e32\u5b58\u53d6\u8cc7\u6599\u3002API \u63d0\u4f9b\u53d7\u63a7\u4ecb\u9762\uff1b\u76f4\u63a5\u5b58\u53d6\u8cc7\u6599\u5eab\u5247\u7121\u6cd5\u505a\u5230\u3002<\/li>\n<li><strong>\u6280\u8853\u9396\u5b9a\uff1a<\/strong> \u6240\u6709\u670d\u52d9\u90fd\u5fc5\u9808\u4f7f\u7528\u76f8\u540c\u7684\u8cc7\u6599\u5eab\u6280\u8853\u3002\u5fae\u670d\u52d9\u5141\u8a31\u591a\u8a9e\u8a00\u6301\u4e45\u5316\uff0c\u8b93\u4e0d\u540c\u670d\u52d9\u53ef\u6839\u64da\u5176\u7279\u5b9a\u9700\u6c42\u4f7f\u7528\u6700\u5408\u9069\u7684\u8cc7\u6599\u5132\u5b58\u65b9\u5f0f\u3002<\/li>\n<\/ol>\n<p>\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u60a8\u5fc5\u9808\u9060\u96e2\u8de8\u670d\u52d9\u908a\u754c\u7684 SQL \u9023\u63a5\u3002\u76f8\u53cd\u5730\uff0c\u60a8\u61c9\u8a72\u4f7f\u7528 API \u7d44\u5408\u6216\u4e8b\u4ef6\u9a45\u52d5\u7684\u8cc7\u6599\u540c\u6b65\u3002 \ud83d\udd04<\/p>\n<h2>\u6bcf\u500b\u670d\u52d9\u4e00\u500b\u8cc7\u6599\u5eab\uff1a\u9ec3\u91d1\u6cd5\u5247 \ud83c\udfe6<\/h2>\n<p>\u5fae\u670d\u52d9\u8cc7\u6599\u67b6\u69cb\u7684\u57fa\u790e\u6a21\u5f0f\u662f<strong>\u6bcf\u500b\u670d\u52d9\u4e00\u500b\u8cc7\u6599\u5eab<\/strong>\u3002\u6bcf\u500b\u670d\u52d9\u64c1\u6709\u81ea\u5df1\u7684\u8cc7\u6599\u5eab\u7d50\u69cb\u3002\u5176\u4ed6\u4efb\u4f55\u670d\u52d9\u90fd\u4e0d\u5f97\u76f4\u63a5\u5b58\u53d6\u6b64\u8cc7\u6599\u5eab\u3002\u901a\u8a0a\u5fc5\u9808\u5b8c\u5168\u900f\u904e\u670d\u52d9\u7684\u516c\u958b API \u9032\u884c\u3002<\/p>\n<p>\u9019\u7a2e\u8f49\u8b8a\u9700\u8981\u60a8\u5728\u8996\u89ba\u5316\u8cc7\u6599\u7684\u65b9\u5f0f\u4e0a\u9032\u884c\u6839\u672c\u6027\u7684\u6539\u8b8a\u3002\u60a8\u4e0d\u80fd\u518d\u70ba\u6574\u500b\u7cfb\u7d71\u7e6a\u88fd\u4e00\u500b\u5de8\u5927\u7684\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u3002\u76f8\u53cd\u5730\uff0c\u60a8\u61c9\u70ba\u6bcf\u500b\u670d\u52d9\u5efa\u7acb\u591a\u500b\u8f03\u5c0f\u7684 ERD\u3002 \ud83d\udcc4<\/p>\n<table border=\"1\" style=\"width:100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"padding: 8px;\">\u9762\u5411<\/th>\n<th style=\"padding: 8px;\">\u55ae\u9ad4\u5f0f ERD<\/th>\n<th style=\"padding: 8px;\">\u5fae\u670d\u52d9\u6a21\u578b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\">\u7d50\u69cb\u7bc4\u570d<\/td>\n<td style=\"padding: 8px;\">\u5168\u57df\uff0f\u6574\u5408\u5f0f<\/td>\n<td style=\"padding: 8px;\">\u672c\u5730\uff0f\u670d\u52d9\u7279\u5b9a<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">\u95dc\u4fc2<\/td>\n<td style=\"padding: 8px;\">\u5916\u9375<\/td>\n<td style=\"padding: 8px;\">API \u547c\u53eb\uff0f\u4e8b\u4ef6<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">\u4e00\u81f4\u6027<\/td>\n<td style=\"padding: 8px;\">\u5f37\u4e00\u81f4\u6027\uff08ACID\uff09<\/td>\n<td style=\"padding: 8px;\">\u6700\u7d42\u4e00\u81f4\u6027\uff08BASE\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">\u90e8\u7f72<\/td>\n<td style=\"padding: 8px;\">\u7dca\u8026\u5408<\/td>\n<td style=\"padding: 8px;\">\u7368\u7acb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u5728\u6c92\u6709\u5171\u4eab\u4ea4\u6613\u7684\u60c5\u6cc1\u4e0b\u7ba1\u7406\u4e00\u81f4\u6027 \ud83e\udd1d<\/h2>\n<p>\u7576\u60a8\u5206\u96e2\u8cc7\u6599\u5eab\u6642\uff0c\u4fbf\u5931\u53bb\u4e86\u57f7\u884c\u55ae\u4e00\u4ea4\u6613\u540c\u6642\u66f4\u65b0\u670d\u52d9 A \u548c\u670d\u52d9 B \u7684\u80fd\u529b\u3002\u5728\u55ae\u9ad4\u7cfb\u7d71\u4e2d\uff0c\u60a8\u53ef\u80fd\u6703\u4f7f\u7528\u8cc7\u6599\u5eab\u4ea4\u6613\u5c07\u8cc7\u91d1\u5f9e\u5e33\u6236 A \u8f49\u79fb\u5230\u5e33\u6236 B\u3002\u4f46\u5728\u5fae\u670d\u52d9\u4e2d\uff0c\u9019\u4e9b\u5e33\u6236\u53ef\u80fd\u5c6c\u65bc\u4e0d\u540c\u7684\u670d\u52d9\u3002<\/p>\n<p>\u7531\u65bc\u60a8\u7121\u6cd5\u78ba\u4fdd\u5206\u6563\u5f0f\u7cfb\u7d71\u4e4b\u9593\u7684\u5373\u6642\u4e00\u81f4\u6027\uff0c\u56e0\u6b64\u5fc5\u9808\u63a1\u7528<strong>\u6700\u7d42\u4e00\u81f4\u6027<\/strong>\u3002\u9019\u8868\u793a\u7cfb\u7d71\u5c07\u5728\u4e00\u6bb5\u6642\u9593\u5f8c\u9054\u5230\u4e00\u81f4\u72c0\u614b\uff0c\u4f46\u4e0d\u4e00\u5b9a\u5728\u4f7f\u7528\u8005\u9ede\u64ca\u6309\u9215\u7684\u90a3\u4e00\u523b\u7acb\u5373\u9054\u6210\u3002<\/p>\n<h3>\u5be6\u4f5c Sagas<\/h3>\n<p>\u70ba\u4e86\u8655\u7406\u8de8\u8d8a\u591a\u500b\u670d\u52d9\u7684\u8907\u96dc\u5de5\u4f5c\u6d41\u7a0b\uff0c\u8acb\u4f7f\u7528<strong>Saga \u6a21\u5f0f<\/strong>\u3002Sagas \u662f\u4e00\u7cfb\u5217\u672c\u5730\u4ea4\u6613\uff0c\u5176\u4e2d\u6bcf\u500b\u4ea4\u6613\u53ea\u6703\u66f4\u65b0\u55ae\u4e00\u670d\u52d9\u5167\u7684\u8cc7\u6599\u5eab\u3002\u5982\u679c\u67d0\u4e00\u6b65\u9a5f\u5931\u6557\uff0cSagas \u6703\u57f7\u884c\u88dc\u511f\u4ea4\u6613\uff0c\u4ee5\u64a4\u92b7\u5148\u524d\u6b65\u9a5f\u6240\u9020\u6210\u7684\u8b8a\u66f4\u3002<\/p>\n<ul>\n<li><strong>\u7de8\u821e\uff1a<\/strong> \u670d\u52d9\u6703\u767c\u51fa\u4e8b\u4ef6\uff0c\u89f8\u767c\u5176\u4ed6\u670d\u52d9\u7684\u52d5\u4f5c\u3002\u6c92\u6709\u4e2d\u592e\u5354\u8abf\u8005\u3002<\/li>\n<li><strong>\u6307\u63ee\uff1a<\/strong> \u4e00\u500b\u4e2d\u592e\u5354\u8abf\u670d\u52d9\u7ba1\u7406\u5de5\u4f5c\u6d41\u7a0b\uff0c\u4e26\u544a\u8a34\u5176\u4ed6\u670d\u52d9\u8a72\u505a\u4ec0\u9ebc\u3002<\/li>\n<\/ul>\n<p> \u9019\u7a2e\u65b9\u6cd5\u78ba\u4fdd\u8cc7\u6599\u5b8c\u6574\u6027\uff0c\u800c\u7121\u9700\u5171\u4eab\u9396\u6216\u5206\u6563\u5f0f\u4ea4\u6613\u3002\u96d6\u7136\u6703\u589e\u52a0\u5be6\u4f5c\u7684\u8907\u96dc\u5ea6\uff0c\u4f46\u5c0d\u65bc\u7dad\u6301\u7cfb\u7d71\u5065\u5eb7\u662f\u5fc5\u8981\u7684\u3002\ud83d\udee1\ufe0f<\/p>\n<h2>\u7121\u9700ERD\u5373\u53ef\u8996\u5316\u8cc7\u6599\uff1a\u60c5\u5883\u5730\u5716 \ud83d\uddfa\ufe0f<\/h2>\n<p>\u5982\u679c\u4f60\u653e\u68c4\u50b3\u7d71\u7684ERD\uff0c\u4f60\u6703\u7528\u4ec0\u9ebc\u4f86\u8996\u5316\u4f60\u7684\u8cc7\u6599\u67b6\u69cb\uff1f\u7b54\u6848\u5c31\u5728\u65bc<strong>\u9818\u57df\u9a45\u52d5\u8a2d\u8a08\uff08DDD\uff09\u60c5\u5883\u5730\u5716<\/strong>\u3002\u96d6\u7136ERD\u5c08\u6ce8\u65bc\u8cc7\u6599\u8868\u548c\u6b04\u4f4d\uff0c\u60c5\u5883\u5730\u5716\u5247\u5c08\u6ce8\u65bc\u6709\u754c\u4e0a\u4e0b\u6587\u8207\u95dc\u4fc2\u3002<\/p>\n<p>\u4e0d\u518d\u5728\u8cc7\u6599\u8868\u4e4b\u9593\u756b\u7dda\uff0c\u800c\u662f\u65bc\u670d\u52d9\u4e4b\u9593\u756b\u7dda\u3002\u4f60\u5b9a\u7fa9\u8cc7\u6599\u5728\u5b83\u5011\u4e4b\u9593\u5982\u4f55\u6d41\u52d5\uff1a<\/p>\n<ul>\n<li><strong>\u5ba2\u6236-\u4f9b\u61c9\u5546\uff1a<\/strong> \u4e00\u500b\u670d\u52d9\u5411\u53e6\u4e00\u500b\u670d\u52d9\u63d0\u4f9b\u8cc7\u6599\u3002\u63d0\u4f9b\u8005\u5b9a\u7fa9\u5408\u7d04\u3002<\/li>\n<li><strong>\u9806\u5f9e\u8005\uff1a<\/strong> \u4f7f\u7528\u670d\u52d9\u5fc5\u9808\u9069\u61c9\u63d0\u4f9b\u8005\u7684\u6a21\u578b\u3002<\/li>\n<li><strong>\u958b\u653e\u4e3b\u6a5f\u670d\u52d9\uff1a<\/strong> \u4e00\u500b\u670d\u52d9\u900f\u904e\u958b\u653e\u5354\u5b9a\u516c\u958b\u5176\u8cc7\u6599\u3002<\/li>\n<li><strong>\u5206\u9053\u63da\u9463\uff1a<\/strong> \u5169\u500b\u670d\u52d9\u5404\u81ea\u7368\u7acb\u5730\u767c\u5c55\u5176\u6a21\u578b\u3002<\/li>\n<\/ul>\n<p>\u9019\u7a2e\u8996\u89ba\u5316\u65b9\u5f0f\u7684\u8f49\u8b8a\uff0c\u6709\u52a9\u65bc\u5718\u968a\u7406\u89e3<em>\u70ba\u4ec0\u9ebc<\/em>\u8cc7\u6599\u6703\u88ab\u91cd\u8907\u3002\u5728\u55ae\u9ad4\u7cfb\u7d71\u4e2d\uff0c\u91cd\u8907\u662f\u58de\u4e8b\u3002\u5728\u5fae\u670d\u52d9\u4e2d\uff0c\u91cd\u8907\u901a\u5e38\u662f\u70ba\u4e86\u89e3\u8026\u670d\u52d9\u800c\u8a2d\u8a08\u7684\u529f\u80fd\u3002\u4f8b\u5982\uff0c<em>\u8a02\u55ae\u670d\u52d9<\/em>\u53ef\u80fd\u6703\u5132\u5b58<em>\u5ba2\u6236\u59d3\u540d<\/em>\u7684\u5feb\u7167\uff0c\u4ee5\u907f\u514d\u6bcf\u6b21\u6aa2\u8996\u8a02\u55ae\u6642\u90fd\u9032\u884c\u7db2\u8def\u547c\u53eb\u3002\u9019\u7a2e\u53d6\u6368\u5728\u6027\u80fd\u4e0a\u662f\u53ef\u4ee5\u63a5\u53d7\u7684\u3002<\/p>\n<h2>\u9077\u79fb\u6b65\u9a5f\uff1a\u5f9eERD\u8f49\u5411\u5206\u6563\u5f0f\u8cc7\u6599 \ud83d\ude80<\/h2>\n<p>\u5f9e\u96c6\u4e2d\u5f0f\u7684ERD\u8f49\u5411\u5206\u6563\u5f0f\u8cc7\u6599\u6a21\u578b\u4e26\u975e\u4e00\u6b21\u6027\u7684\u4e8b\u4ef6\uff0c\u800c\u662f\u4e00\u500b\u5206\u968e\u6bb5\u7684\u904e\u7a0b\u3002\u4ee5\u4e0b\u662f\u4e00\u7a2e\u5efa\u8b70\u7684\u65b9\u6cd5\uff0c\u7528\u4f86\u7ba1\u7406\u9077\u79fb\u3002<\/p>\n<h3>\u6b65\u9a5f1\uff1a\u5be9\u67e5\u73fe\u6709\u7684\u8cc7\u6599\u95dc\u4fc2<\/h3>\n<p>\u5728\u62c6\u5206\u4efb\u4f55\u5167\u5bb9\u4e4b\u524d\uff0c\u8acb\u8a18\u9304\u4e0b\u7576\u524dERD\u4e2d\u7684\u6bcf\u4e00\u7a2e\u95dc\u4fc2\u3002\u8b58\u5225\u54ea\u4e9b\u8cc7\u6599\u8868\u662f\u8b80\u53d6\u5bc6\u96c6\u578b\uff0c\u54ea\u4e9b\u662f\u5beb\u5165\u5bc6\u96c6\u578b\uff0c\u4ee5\u53ca\u54ea\u4e9b\u7d93\u5e38\u88ab\u95dc\u806f\u3002\u6b64\u5206\u6790\u6709\u52a9\u65bc\u5c07\u5be6\u9ad4\u5206\u7d44\u70ba\u908f\u8f2f\u670d\u52d9\u908a\u754c\u3002\ud83d\udcca<\/p>\n<h3>\u6b65\u9a5f2\uff1a\u5b9a\u7fa9\u6709\u754c\u4e0a\u4e0b\u6587<\/h3>\n<p>\u6839\u64da\u696d\u52d9\u9818\u57df\u800c\u975e\u6280\u8853\u4f9d\u8cf4\u95dc\u4fc2\u5c0d\u5be6\u9ad4\u9032\u884c\u5206\u7d44\u3002\u4f8b\u5982\uff0c\u4e00\u500b<em>\u7522\u54c1\u76ee\u9304<\/em>\u8207\u4e00\u500b<em>\u5eab\u5b58\u7ba1\u7406<\/em>\u7cfb\u7d71\u4e0d\u540c\uff0c\u5373\u4f7f\u5b83\u5011\u90fd\u4f7f\u7528<code>ProductID<\/code>\u6b04\u4f4d\u3002\u78ba\u4fdd\u908a\u754c\u8207\u5718\u968a\u7d50\u69cb\u4e00\u81f4\uff08\u5eb7\u5a01\u5b9a\u5f8b\uff09\u3002<\/p>\n<h3>\u6b65\u9a5f 3\uff1a\u70ba\u6bcf\u500b\u670d\u52d9\u5be6\u73fe\u7368\u7acb\u8cc7\u6599\u5eab<\/h3>\n<p>\u70ba\u6bcf\u500b\u670d\u52d9\u5efa\u7acb\u65b0\u7684\u8cc7\u6599\u5eab\u5be6\u4f8b\u3002\u5f9e\u55ae\u9ad4\u8cc7\u6599\u5eab\u4e2d\u9077\u79fb\u76f8\u95dc\u8cc7\u6599\u3002\u4e0d\u9700\u8981\u7acb\u5373\u79fb\u52d5\u6240\u6709\u5167\u5bb9\u3002\u5f9e\u670d\u52d9\u904b\u4f5c\u6240\u9700\u7684\u95dc\u9375\u8cc7\u6599\u958b\u59cb\u3002\ud83c\udfd7\ufe0f<\/p>\n<h3>\u6b65\u9a5f 4\uff1a\u4ee5 API \u547c\u53eb\u53d6\u4ee3 JOIN \u64cd\u4f5c<\/h3>\n<p>\u91cd\u69cb\u60a8\u7684\u67e5\u8a62\u3002\u4e0d\u518d\u4f7f\u7528<code>JOIN Orders, Customers<\/code>\uff0c\u60a8\u7684\u7a0b\u5f0f\u78bc\u61c9\u547c\u53eb<em>Customer API<\/em>\u4ee5\u53d6\u5f97\u8a73\u7d30\u8cc7\u8a0a\u3002\u9019\u53ef\u80fd\u6703\u5f15\u5165\u5ef6\u9072\uff0c\u56e0\u6b64\u5728\u9069\u7576\u60c5\u6cc1\u4e0b\u61c9\u8003\u616e\u5feb\u53d6\u7b56\u7565\u6216\u53cd\u898f\u7bc4\u5316\u3002<\/p>\n<h3>\u6b65\u9a5f 5\uff1a\u5f15\u5165\u4e8b\u4ef6\u4e32\u6d41<\/h3>\n<p>\u70ba\u4e86\u5373\u6642\u66f4\u65b0\uff0c\u5be6\u4f5c\u4e8b\u4ef6\u7e3d\u7dda\u3002\u7576\u67d0\u500b\u670d\u52d9\u4e2d\u7684\u5be6\u9ad4\u767c\u751f\u8b8a\u66f4\u6642\uff0c\u767c\u4f48\u4e8b\u4ef6\u3002\u5176\u4ed6\u670d\u52d9\u53ef\u8a02\u95b1\u9019\u4e9b\u4e8b\u4ef6\uff0c\u4ee5\u66f4\u65b0\u5176\u672c\u5730\u8cc7\u6599\u526f\u672c\u3002\u9019\u53ef\u78ba\u4fdd\u6700\u7d42\u4e00\u81f4\u6027\uff0c\u4e14\u7121\u76f4\u63a5\u8026\u5408\u3002<\/p>\n<h2>\u9077\u79fb\u904e\u7a0b\u4e2d\u7684\u5e38\u898b\u9677\u9631 \u26a0\ufe0f<\/h2>\n<p>\u5373\u4f7f\u6709\u8a08\u756b\uff0c\u5718\u968a\u5728\u8f49\u63db\u904e\u7a0b\u4e2d\u4ecd\u7d93\u5e38\u51fa\u932f\u3002\u8acb\u7559\u610f\u9019\u4e9b\u5e38\u898b\u554f\u984c\u3002<\/p>\n<ul>\n<li><strong>\u904e\u65e9\u62c6\u5206\uff1a<\/strong>\u5728\u7406\u89e3\u8cc7\u6599\u6d41\u7a0b\u4e4b\u524d\uff0c\u4e0d\u8981\u62c6\u5206\u670d\u52d9\u3002\u904e\u65e9\u62c6\u5206\u53ef\u80fd\u5c0e\u81f4\u5728\u6e96\u5099\u4e0d\u8db3\u6642\u5c31\u51fa\u73fe\u5206\u6563\u5f0f\u8907\u96dc\u6027\u3002<\/li>\n<li><strong>\u5ffd\u8996\u8cc7\u6599\u6240\u6709\u6b0a\uff1a<\/strong>\u5982\u679c\u591a\u500b\u5718\u968a\u8072\u7a31\u5c0d\u540c\u4e00\u500b\u8cc7\u6599\u5be6\u9ad4\u64c1\u6709\u6240\u6709\u6b0a\uff0c\u5c07\u6703\u7522\u751f\u885d\u7a81\u3002\u61c9\u70ba\u6bcf\u500b\u670d\u52d9\u660e\u78ba\u5206\u914d\u6240\u6709\u6b0a\u3002<\/li>\n<li><strong>\u904e\u5ea6\u898f\u7bc4\u5316\uff1a<\/strong>\u5728\u5206\u6563\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u901a\u5e38\u504f\u597d\u53cd\u898f\u7bc4\u5316\uff0c\u4ee5\u6e1b\u5c11\u6e32\u67d3\u9801\u9762\u6240\u9700\u7684 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