\u6700\u8fd1\u958b\u59cb\u7814\u7a76DDD(Domain Driven Design)\uff0c\u767c\u73fe\u5b83\u78ba\u5be6\u662f\u7d44\u7e54\u5927\u578b\u8edf\u9ad4\u67b6\u69cb\u51fa\u8272\u53c8\u5be6\u969b\u7684\u65b9\u6cd5\u3002
\n\u53ef\u60dc\u7db2\u8def\u4e0a\u53ea\u627e\u5f97\u5230\u4e00\u5806\u7406\u8ad6\u8207\u8aaa\u660e\uff0c\u5be6\u969b\u7684\u7bc4\u4f8bcode\u5f88\u5c11\uff0c\u6211\u53ea\u597d\u81ea\u5df1\u6478\u7d22\u4e86\u3002
\n\u6211\u6703\u9678\u7e8c\u5c07\u6210\u679c\u5206\u4eab\u51fa\u4f86\uff0c\u5e0c\u671b\u5c0d\u9700\u8981\u7684\u4eba\u6709\u6240\u5e6b\u52a9\u3002<\/p>\n
\u6211\u516c\u53f8\u4e32\u63a5\u7531A\u516c\u53f8\u63d0\u4f9b\u4e4b\u91d1\u6d41\u670d\u52d9\uff08\u7b2c\u4e09\u65b9\u652f\u4ed8\uff09\uff0cA\u516c\u53f8\u5728\u78ba\u8a8d\u6536\u5230\u9867\u5ba2\u4ed8\u6b3e\uff08\u4fe1\u7528\u5361\u3001ATM\u8f49\u5e33\uff09\u4e4b\u5f8c\uff0c\u6703\u4ee5HTTP POST\u901a\u77e5\u6211\u516c\u53f8\u67d0\u8a2d\u5b9a\u597d\u4e4bURL\u3002
\n\u7531\u65bc\u53ef\u80fd\u6709\u7c97\u5fc3\u5927\u610f\u4e4b\u9867\u5ba2\uff0c\u91dd\u5c0d\u55ae\u7b46\u8a02\u55ae\u9001\u51fa\u591a\u7b46\u4ea4\u6613\u3001\u91cd\u8907\u4ed8\u6b3e\uff0c\u56e0\u6b64\u9700\u8981\u5728\u767c\u73fe\u91cd\u8907\u4ed8\u6b3e\u4e4b\u6642\u901a\u77e5A\u516c\u53f8\u653e\u68c4\u4e4b\u524d\u76f8\u95dc\u6388\u6b0a\u4ea4\u6613\u3002<\/p>\n
\u6211\u516c\u53f8\u6709\u4ee3\u8868\u4ea4\u6613\u4e4btrades\u8cc7\u6599\u8868\u8207\u4ee3\u8868\u8a02\u55ae\u4e4borders\u8cc7\u6599\u8868\u3002
\n\u5546\u696d\u908f\u8f2f\u5982\u4e0b\uff1a
\n* \u4f7f\u7528A\u516c\u53f8SDK\u8a08\u7b97\u8207\u9a57\u8b49\u53c3\u6578
\n* \u5f9etrades\u627e\u5230\u5c0d\u61c9\u4e4b\u4ea4\u6613\u4e26\u8a2d\u70ba\u300c\u5df2\u6388\u6b0a\u300d
\n* \u5f9eorders\u627e\u5230\u5c0d\u61c9\u4e4b\u8a02\u55ae\u4e26\u8a2d\u70ba\u300c\u5df2\u4ed8\u6b3e\u300d<\/p>\n
\u5728MVC\u67b6\u69cb\u4e4b\u4e0b\uff0c\u6211\u5c07\u5176\u64b0\u5beb\u65bc\u67d0\u5c08\u8cac\u65bc\u91d1\u6d41\u4ea4\u6613\u4e4bcontroller\uff1a<\/p>\n
\r\nfetchParams();\r\n\r\n \/\/ \u9a57\u8b49\u5931\u6557\uff0c\u53c3\u6578\u4e26\u975eA\u516c\u53f8\u52a0\u5bc6\u50b3\u4f86\r\n if (!$params) {\r\n return '0|Fail'; \r\n }\r\n \r\n \/\/ \u66f4\u65b0\u4ea4\u6613\u72c0\u614b\r\n $t = Trade::where('trade_no', $params['trade_no'])->first();\r\n $t->recieved_datetime = date('c'); \r\n $t->status = 1;\r\n $t->save();\r\n \r\n \/\/ \u91cd\u8907\u4ed8\u6b3e\u4e86\uff0c\u767c\u9001API\u901a\u77e5A\u516c\u53f8\u53d6\u6d88\u524d\u5e7e\u7b46\u4ea4\u6613\r\n if ($t->order->status == ORDER::PAID_STATUS){\r\n \/\/ blah blah\r\n \/\/ ...\r\n return '1|OK'; \r\n }\r\n \r\n \/\/ \u66f4\u65b0\u8a02\u55ae\u72c0\u614b\r\n $t->order->status = ORDER::PAID_STATUS;\r\n $t->order->save();\r\n \r\n return '1|OK'; \r\n }\r\n\r\n}\r\n<\/pre>\n\u554f\u984c\uff1a
\n* code\u53ef\u8b80\u6027\u4e0d\u5920\u9ad8
\n* \u6b64controller action\u4e00\u6b21\u8655\u7406\u591a\u4ef6\u4e8b\u60c5\u3001\u5206\u5de5\u4e0d\u4f73<\/p>\n
\u53cd\u7701<\/h3>\n
\u4e5f\u8a31\u53ef\u5c07\u9019\u4e32\u7a0b\u5e8f\u5c01\u88dd\u6210Trade\u985e\u5225\u5e95\u4e0b\u7684\u4e00\u500b\u52d5\u4f5c\uff1f<\/p>\n
\r\n\r\nclass SomeController extends BaseController {\r\n\r\n public function postPaymentReceive(){\r\n \/\/ A\u516c\u53f8\u63d0\u4f9b\u4e4bSDK\r\n $sdk = new SDK();\r\n $params = $sdk->fetchParams();\r\n\r\n \/\/ \u9a57\u8b49\u5931\u6557\uff0c\u53c3\u6578\u4e26\u975eA\u516c\u53f8\u52a0\u5bc6\u50b3\u4f86\r\n if (!$params) {\r\n return '0|Fail'; \r\n }\r\n \r\n \/\/ \u6388\u6b0a\u6b64\u7b46\u4ea4\u6613\r\n \/\/ \u5167\u542b\u4ea4\u6613\u72c0\u614b\u66f4\u65b0\u3001\u8a02\u55ae\u72c0\u614b\u66f4\u65b0\u3001\u91cd\u8907\u6263\u6b3e\u901a\u77e5\r\n $t = Trade::where('trade_no', $params['trade_no'])->first();\r\n $t->authenticate($params);\r\n \r\n return '1|OK'; \r\n }\r\n\r\n}\r\n<\/pre>\n\u554f\u984c\uff1a
\n* \u53ea\u662f\u5c07code\u7531controller\u79fb\u9032model\uff0c\u6240\u6709\u554f\u984c\u90fd\u4f9d\u820a\u5b58\u5728<\/p>\n
\u5728MVC\u67b6\u69cb\u4e4b\u4e0b\uff0c\u53ea\u8ffd\u6c42’thin controller, fat model’\u6703\u5f88\u5bb9\u6613\u5c07\u8edf\u9ad4\u67b6\u69cb\u53ea\u6539\u5584\u5230\u9019\u500b\u968e\u6bb5\u3002<\/p>\n
DDD\u89c0\u9ede<\/h3>\n
\u4e00\u500b\u300c\u4ea4\u6613\u300d\u5be6\u9ad4\u672c\u8eab\u4e0d\u6703\u300c\u6388\u6b0a\u300d\u81ea\u5df1\uff0c\u61c9\u8a72\u7531\u300c\u67d0\u500b\u7a0b\u5e8f\u300d\u53bb\u9032\u884c\u300c\u6388\u6b0a\u300d\u4e00\u500b\u300c\u4ea4\u6613\u300d\u5be6\u9ad4\u7684\u52d5\u4f5c\u3002
\n\u4e5f\u5c31\u662f\u8aaa\u9019\u884ccode\u4e0d\u5408\u7406\uff1a<\/p>\n
\r\n$t->authenticate();\r\n<\/pre>\n\u5b83\u5c07\u539f\u672cTrade\u985e\u5225\u7684\u610f\u7fa9\u7531\u300c\u4e00\u7b46\u4ea4\u6613\u64c1\u6709\u7684\u5c6c\u6027\u3001\u884c\u70ba\u300d\u64f4\u5927\u53bb\u5305\u542b\u4e86\u300c\u6703\u5c0d\u4e00\u7b46\u4ea4\u6613\u65bd\u52a0\u7684\u884c\u70ba\u300d\u3002
\n\u5c31\u7b97\u6539\u5beb\u70ba\u975c\u614b\u51fd\u5f0f\u4f9d\u7136\u64f4\u5927\u4e86\u539fTrade\u985e\u5225\u7684\u610f\u7fa9\u3002
\nTrade\u985e\u5225\u7684\u610f\u7fa9\u904e\u5ee3\u6703\u5c0e\u81f4\u53ef\u8b80\u6027\u964d\u4f4e\u3001\u4e0d\u597d\u7406\u89e3\u3001\u96e3\u7dad\u8b77\u3002<\/p>\n
DDD\u4e2d\u95dc\u65bc\u4e00\u500bservice\u7684\u5224\u65b7\u5982\u4e0b\uff1a
\n* \u6d89\u53ca\u5230domain\u4e2d\u7684\u5176\u4ed6object
\n* stateless
\n* \u6d89\u53ca\u4e00\u500bdomain\uff0c\u901a\u5e38\u4e0d\u5c6c\u65bc\u4e00\u500bentity\u6216value object<\/p>\n
\u6211\u6c7a\u5b9a\u64b0\u5beb\u4e00\u500bservice\u985e\u5225\u5c08\u8077\u8655\u7406\u9019\u6bb5\u63a5\u6536\u901a\u77e5\u7684\u91d1\u6d41\u7a0b\u5e8f\uff0c\u4e26\u5728controller\u4e2d\u4f7f\u7528\u9019\u500b\u985e\u5225\uff1a<\/p>\n
\r\n\r\nclass SomeController extends BaseController {\r\n\r\n public function postPaymentReceive(){\r\n \/\/ A\u516c\u53f8\u63d0\u4f9b\u4e4bSDK\r\n $sdk = new SDK();\r\n $params = $sdk->fetchParams();\r\n\r\n $service = new ReceivePaymentNotification();\r\n\r\n return $service->handle($params); \r\n }\r\n\r\n}\r\n<\/pre>\n\r\nprocessParameters($params);\r\n\r\n return '1|OK';\r\n }\r\n \r\n public function processParameters($params)\r\n { \r\n $t = Trade::where('trade_no', $params['trade_no'])->first();\r\n\r\n $this->processTransaction($t, $params); \r\n\r\n $this->processOrder($t->order); \r\n }\r\n\r\n public function processTransaction($t, $params)\r\n {\r\n $t->recieved_datetime = date('c'); \r\n $t->status = 1;\r\n $t->save();\r\n }\r\n \r\n public function processOrder($o)\r\n {\r\n\r\n \/\/ \u91cd\u8907\u4ed8\u6b3e\u4e86\uff0c\u767c\u9001API\u901a\u77e5A\u516c\u53f8\u53d6\u6d88\u524d\u5e7e\u7b46\u4ea4\u6613\r\n if ($o->status == ORDER::PAID_STATUS){\r\n \/\/ blah blah\r\n \/\/ ...\r\n return '1|OK'; \r\n }\r\n \r\n \/\/ \u66f4\u65b0\u8a02\u55ae\u72c0\u614b\r\n $o->status = ORDER::PAID_STATUS;\r\n $o->save();\r\n }\r\n \r\n}\r\n<\/pre>\n\u5e7e\u4e4e\u53ea\u662f\u5c07\u539f\u672c\u7684code\u526a\u4e0b\u3001\u8cbc\u4e0a\u800c\u5df2\uff0c\u537b\u82b1\u4e86\u6211\u6574\u500b\u4e0b\u5348\u3002<\/p>\n
\u60a8\u89ba\u5f97\u53ef\u8b80\u6027\u3001\u53ef\u7dad\u8b77\u6027\u6709\u6539\u5584\u55ce\uff1f<\/p>\n
\u671f\u5f85\u60a8\u7684\u5bf6\u8cb4\u610f\u898b\uff0c\u6b61\u8fce\u5728\u4e0b\u65b9\u7d66\u6211feedback\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6700\u8fd1\u958b\u59cb\u7814\u7a76DDD(Domain Driven Design)\uff0c\u767c\u73fe\u5b83\u78ba\u5be6\u662f\u7d44\u7e54\u5927\u578b\u8edf\u9ad4\u67b6\u69cb\u51fa\u8272\u53c8\u5be6\u969b\u7684\u65b9\u6cd5\u3002 … \u7e7c\u7e8c\u95b1\u8b80 DDD\u5be6\u6230\uff1a\u4e00\u6bb5\u91d1\u6d41\u7a0b\u5e8f<\/span>