{"id":10020415,"date":"2024-11-25T05:09:14","date_gmt":"2024-11-24T21:09:14","guid":{"rendered":"https:\/\/itmax.cn\/?p=10020415"},"modified":"2024-11-25T05:09:14","modified_gmt":"2024-11-24T21:09:14","slug":"ddd%e5%ad%a6%e4%b9%a0%e4%b8%8e%e6%84%9f%e6%82%9f-%e5%90%91%e5%b1%8e%e5%b1%b1%e5%86%b2%e9%94%8b","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10020415","title":{"rendered":"DDD\u5b66\u4e60\u4e0e\u611f\u609f\u2014\u2014\u5411\u5c4e\u5c71\u51b2\u950b"},"content":{"rendered":"<p>\u4f5c\u8005\uff1a\u4eac\u4e1c\u79d1\u6280 \u5b59\u9ece\u660e<\/p>\n<p>\u8f6f\u4ef6\u7cfb\u7edf\u662f\u901a\u8fc7\u8f6f\u4ef6\u5f00\u53d1\u6765\u89e3\u51b3\u67d0\u4e00\u4e2a\u4e1a\u52a1\u9886\u57df\u6216\u95ee\u9898\u5355\u5143\u800c\u4ea7\u751f\u7684\u4e00\u4e2a\u4ea4\u4ed8\u7269\u3002\u800c\u901a\u8fc7\u8f6f\u4ef6\u8bbe\u8ba1\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5f00\u53d1\u51fa\u66f4\u52a0\u5065\u58ee\u7684\u8f6f\u4ef6\u7cfb\u7edf\u3002\u56e0\u6b64\uff0c\u8f6f\u4ef6\u8bbe\u8ba1\u662f\u4ece\u4e1a\u52a1\u9886\u57df\u5230\u8f6f\u4ef6\u5f00\u53d1\u4e4b\u95f4\u7684\u6865\u6881\u3002\u800cDDD\u662f\u8f6f\u4ef6\u8bbe\u8ba1\u4e2d\u7684\u5176\u4e2d\u4e00\u79cd\u601d\u60f3\uff0c\u65e8\u5728\u63d0\u4f9b\u4e00\u79cd\u5927\u578b\u590d\u6742\u8f6f\u4ef6\u7684\u8bbe\u8ba1\u601d\u8def\u548c\u89c4\u8303\u3002\u901a\u8fc7DDD\u601d\u60f3\u53ef\u4ee5\u8ba9\u6211\u4eec\u7684\u4e1a\u52a1\u67b6\u6784\u3001\u7cfb\u7edf\u67b6\u6784\u3001\u90e8\u7f72\u67b6\u6784\u3001\u6570\u636e\u67b6\u6784\u3001\u5de5\u7a0b\u67b6\u6784\u7b49\u90fd\u5177\u5907\u9ad8\u6269\u5c55\u6027\u3001\u9ad8\u7ef4\u62a4\u6027\u548c\u9ad8\u6d4b\u8bd5\u6027\u3002<\/p>\n<h4><strong>\u4f46\u662f\u843d\u5730DDD\u662f\u4e00\u4ef6\u5f88\u56f0\u96be\u7684\u4e8b\u60c5\u3002\u9996\u5148\u5728\u601d\u60f3\u8ba4\u77e5\u5c42\u9762\u5c31\u6bd4\u8f83\u96be\u4ee5\u7a81\u7834\u3002<\/strong><\/h4>\n<p>DDD\u672c\u8eab\u662f\u4e00\u79cd\u601d\u60f3\uff0c\u4e0d\u662f\u67d0\u79cd\u5177\u4f53\u7684\u6280\u672f\uff0c\u56e0\u6b64\u5728\u4ee3\u7801\u5b9e\u73b0\u548c\u7cfb\u7edf\u67b6\u6784\u5c42\u9762\u6ca1\u6709\u7ea6\u675f\u3002\u800c\u7531\u4e8e\u5e02\u9762\u4e0a\u6210\u719f\u7684ORM\u6846\u67b6(\u6bd4\u5982hibernate\u3001mybatis\u7b49)\uff0c\u4f7f\u5f97\u5927\u90e8\u5206\u8f6f\u4ef6\u5f00\u53d1\u90fd\u662f\u76f4\u63a5\u9762\u5411\u6570\u636e\u5e93\u5f00\u53d1\u3002\u5728\u4f20\u7edf\u5f00\u53d1\u4e2d\u7684\u5e94\u7528\u5206\u5c42\u67b6\u6784\u53c8\u548cDDD\u601d\u60f3\u7684\u5206\u5c42\u67b6\u6784\u5f88\u7c7b\u4f3c\u3002\u4ece\u800c\u5bfc\u81f4\u5f88\u591a\u4eba\u5728\u521d\u5b66DDD\u65f6\u6709\u4e00\u5b9a\u7684\u7406\u89e3\u504f\u5dee\uff0c\u4ece\u800c\u5bfc\u81f4\u65e0\u6cd5\u843d\u5730DDD\u601d\u60f3\u3002<\/p>\n<p><strong>\u8fd9\u7bc7\u6587\u7ae0\u8bb0\u5f55\u6211\u5bf9DDD\u7684\u5b66\u4e60\u3001\u611f\u609f\u4e0e\u9879\u76ee\u5de5\u7a0b\u4ee3\u7801\u91cd\u6784\u5b9e\u6218\u5fc3\u5f97\uff01<\/strong><\/p>\n<h2>\u4e00\u3001Domin Primitive<\/h2>\n<p>\u9886\u57df\u201c\u5143\u6570\u636e\u201d\u7684\u610f\u601d\u3002\u4e3b\u8981\u662f\u8bb2\u89e3\u9886\u57df\u7684\u57fa\u672c\u51c6\u5219\u3002\u8fd9\u4e5f\u662f\u4f7f\u7528DDD\u601d\u60f3\u7684\u57fa\u672c\u51c6\u5219\u3002<\/p>\n<h3>1.1 \u9690\u6027\u7684\u6982\u5ff5\u663e\u6027\u5316<\/h3>\n<p>exp\uff1a\u7535\u8bdd\u53f7\u7801\u901a\u5e38\u662f\u7531\u533a\u53f7\u7f16\u7801+\u53f7\u7801\u7ec4\u6210\u3002\u5728\u5b9e\u9645\u7684\u4e1a\u52a1\u4e2d\u4f1a\u6709\u5f88\u591a\u9700\u8981\u7535\u8bdd\u53f7\u7801\u7684\u4e1a\u52a1\u3002\u6bd4\u5982\u767b\u5f55\u8ba4\u8bc1\u3001\u5bfc\u8d2d\u5206\u9500\u7b49\u4e1a\u52a1\uff1b\u6211\u4eec\u9700\u8981\u5bf9\u7535\u8bdd\u53f7\u7801\u8fdb\u884c\u57fa\u7840\u6027\u6821\u9a8c\uff1b\u83b7\u53d6\u533a\u53f7\u7f16\u7801\u7b49\uff1b\u5728\u5e38\u89c4\u64cd\u4f5c\u4e0b\uff0c\u4f1a\u5728\u6bcf\u4e00\u4e2a\u7528\u5230\u7535\u8bdd\u53f7\u7801\u7684\u65b9\u6cd5\u5165\u53e3\u90fd\u4f1a\u5199\u5927\u91cf\u7684\u8fd9\u79cd\u6821\u9a8c\u4ee3\u7801\u548c\u5224\u65ad\u4ee3\u7801\uff0c\u5c3d\u7ba1\u6211\u4eec\u53ef\u4ee5\u5c06\u5b83\u7684\u6821\u9a8c\u548c\u83b7\u53d6\u533a\u53f7\u7f16\u7801\u62bd\u79bb\u6210util\u7c7b\uff08\u5b9e\u9645\u4e0a\u5927\u591a\u6570\u5de5\u7a0b\u4e2d\u90fd\u662f\u8fd9\u4e48\u505a\u7684\uff09\uff0c\u4f46\u8fd9\u79cd\u65b9\u5f0f\u6cbb\u6807\u4e0d\u6cbb\u672c\u3002\u57fa\u4e8eDDD\u601d\u60f3\u53ef\u4ee5\u53d1\u73b0\u8fd9\u91cc\u6709\u4e00\u4e2a\u9690\u6027\u6982\u5ff5\uff1a\u533a\u53f7\u7f16\u7801\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u57fa\u4e8eDDD\u601d\u60f3\uff0c\u5c06\u7535\u8bdd\u53f7\u7801\u521b\u5efa\u4e3a\u4e00\u4e2a\u62e5\u6709\u72ec\u7acb\u6982\u5ff5\u548c\u884c\u4e3a\u7684\u503c\u5bf9\u8c61\uff1aPhoneNumber\uff0c\u5c06\u57fa\u7840\u6027\u6821\u9a8c\u548c\u83b7\u53d6\u7f16\u7801\u7b49\u65e0\u72b6\u6001\u884c\u4e3a\u5c01\u88c5\u5728\u503c\u5bf9\u8c61\u4e2d\u3002\u8fd9\u6837\u5728\u65b9\u6cd5\u4e2d\u5c31\u4e0d\u9700\u8981\u518d\u5145\u65a5\u7740\u5199\u5927\u91cf\u7684\u6821\u9a8c\u548c\u5224\u65ad\u3002<\/p>\n<h3>1.2 \u9690\u6027\u7684\u4e0a\u4e0b\u6587\u663e\u6027\u5316<\/h3>\n<p>exp\uff1a\u5728\u94f6\u884c\u8f6c\u8d26\u573a\u666f\u4e2d\uff0c\u901a\u5e38\u6211\u4eec\u4f1a\u8bf4A\u8d26\u6237\u7ed9B\u8d26\u6237\u8f6c1000\u5143\u3002\u8fd9\u91cc\u76841000\u5143\u5b9e\u9645\u4e0a\u6709\u4e24\u5c42\u542b\u4e49\uff0c\u6570\u5b571000\uff0c\u8d27\u5e01\u5143\u3002\u4f46\u6211\u4eec\u901a\u5e38\u4f1a\u5ffd\u7565\u8d27\u5e01\u5355\u4f4d\u5143\u3002\u5bfc\u81f4\u5728\u5b9e\u73b0\u8f6c\u8d26\u529f\u80fd\u65f6\uff0c\u6ca1\u6709\u8003\u8651\u5230\u5355\u4f4d\u3002\u4e00\u65e6\u6709\u56fd\u9645\u8f6c\u8d26\u65f6\uff0c\u5c31\u53c8\u4f1a\u9677\u5165\u5230\u5927\u91cf\u7684if else\u4e2d\u3002<\/p>\n<p>\u6211\u4eec\u57fa\u4e8eDDD\u601d\u60f3\uff0c\u5c06\u94b1\u521b\u5efa\u4e3a\u4e00\u4e2a\u62e5\u6709\u72ec\u7acb\u6982\u5ff5\u548c\u884c\u4e3a\u7684\u503c\u5bf9\u8c61\uff1aMoney\uff0c\u8fd9\u6837\u6211\u4eec\u6240\u8bf4\u7684\u94b1\u624d\u5177\u5907\u5b8c\u6574\u7684\u6982\u5ff5\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u5c31\u53ef\u4ee5\u5c06\u8d27\u5e01\u8fd9\u4e2a\u9690\u6027\u4e0a\u4e0b\u6587\u663e\u6027\u5316\uff0c\u4ece\u800c\u907f\u514d\u5f53\u524d\u672a\u8bc6\u522b\u5230\u4f46\u662f\u672a\u6765\u53ef\u80fd\u4f1a\u7206\u96f7\u7684bug\u3002<\/p>\n<h3>1.3 \u5c01\u88c5\u591a\u5bf9\u8c61\u884c\u4e3a<\/h3>\n<p>exp\uff1a\u5728\u8de8\u5883\u8f6c\u8d26\u7684\u573a\u666f\u4e2d\uff0c\u9700\u8981\u8f6c\u6362\u6c47\u7387\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u8f6c\u6362\u6c47\u7387\u5c01\u88c5\u6210\u4e00\u4e2a\u503c\u5bf9\u8c61\u3002\u901a\u8fc7\u5c01\u88c5\u91d1\u989d\u8ba1\u7b97\u903b\u8f91\u548c\u5404\u79cd\u6821\u9a8c\u903b\u8f91\uff0c\u4f7f\u5f97\u6574\u4e2a\u65b9\u6cd5\u6781\u5176\u7b80\u5355\u3002<\/p>\n<h3>1.4 DP\u548c\u503c\u5bf9\u8c61\u7684\u533a\u522b<\/h3>\n<p>DP\u662f\u963f\u91cc\u5927\u795e\u63d0\u51fa\u6765\u7684\u6982\u5ff5\uff1b\u503c\u5bf9\u8c61\u662fDDD\u601d\u60f3\u4e2d\u7684\u6982\u5ff5\u3002<\/p>\n<p>\u5b66\u4e60\u4e4b\u540e\uff0c\u6211\u4e2a\u4eba\u8ba4\u4e3aDP\u662f\u5bf9\u503c\u5bf9\u8c61\u7684\u8fdb\u4e00\u6b65\u8865\u5145\uff0c\u4f7f\u5176\u62e5\u6709\u4e86\u66f4\u52a0\u5b8c\u6574\u7684\u6982\u5ff5\u3002\u5728\u503c\u5bf9\u8c61\u3010\u4e0d\u53d8\u6027\u3011\u7684\u57fa\u7840\u4e0a\u8865\u5145\u4e86\u3010\u53ef\u6821\u9a8c\u6027\u3011\u548c\u3010\u72ec\u7acb\u884c\u4e3a\u3011\u3002\u5f53\u7136\u4e5f\u662f\u8981\u6c42\u3010\u65e0\u526f\u4f5c\u7528\u3011\u3002\u6240\u8c13\u7684\u65e0\u526f\u4f5c\u7528\u5c31\u662f\u3010\u72b6\u6001\u4e0d\u53ef\u53d8\u3011\u3002<\/p>\n<h3>1.5 DP\u548cDTO\u7684\u533a\u522b<\/h3>\n<table>\n<thead>\n<tr>\n<th> <\/th>\n<th>DTO<\/th>\n<th>DP<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u529f\u80fd<\/td>\n<td>\u6570\u636e\u4f20\u8f93\u5bf9\u8c61\uff0c\u5c5e\u4e8e\u6280\u672f\u7ec6\u8282<\/td>\n<td>\u5c5e\u4e8e\u9886\u57df\u4e2d\u7684\u4e1a\u52a1\u6982\u5ff5<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u5173\u8054\u6027<\/td>\n<td>\u4e0d\u5177\u5907\u6570\u636e\u5173\u8054\u6027<\/td>\n<td>\u6570\u636e\u4e4b\u95f4\u6709\u5f3a\u5173\u8054\u6027<\/td>\n<\/tr>\n<tr>\n<td>\u884c\u4e3a<\/td>\n<td>\u65e0\u884c\u4e3a<\/td>\n<td>\u62e5\u6709\u5341\u5206\u4e30\u5bcc\u7684\u884c\u4e3a\u548c\u4e1a\u52a1\u903b\u8f91<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>1.6 \u4f7f\u7528DP VS \u4e0d\u4f7f\u7528DP<\/h3>\n<table>\n<thead>\n<tr>\n<th> <\/th>\n<th>\u4e0d\u4f7f\u7528DP<\/th>\n<th>\u4f7f\u7528DP<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>API\u63a5\u53e3\u6e05\u6670\u5ea6<\/td>\n<td>\u542b\u6df7\u4e0d\u6e05<\/td>\n<td>\u65b9\u6cd5\u7b7e\u540d\u6e05\u6670\u6613\u61c2<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u6821\u9a8c\u3001\u9519\u8bef\u5904\u7406<\/td>\n<td>\u6821\u9a8c\u903b\u8f91\u5206\u5e03\u591a\u4e2a\u5730\u65b9\u3001\u5927\u91cf\u91cd\u590d\u4ee3\u7801<\/td>\n<td>\u6821\u9a8c\u903b\u8f91\u5185\u805a\uff0c\u5728\u65b9\u6cd5\u8fb9\u754c\u5916\u5b8c\u6210<\/td>\n<\/tr>\n<tr>\n<td>\u4e1a\u52a1\u4ee3\u7801\u7684\u6e05\u6670\u5ea6<\/td>\n<td>\u5145\u65a5\u5927\u91cf\u80f6\u6c34\u4ee3\u7801\uff0c\u6df9\u6ca1\u4e1a\u52a1\u6838\u5fc3\u903b\u8f91<\/td>\n<td>\u4ee3\u7801\u7b80\u6d01\u660e\u4e86\uff0c\u4e1a\u52a1\u903b\u8f91\u4e00\u76ee\u4e86\u7136<\/td>\n<\/tr>\n<tr>\n<td>\u6d4b\u8bd5\u590d\u6742\u5ea6<\/td>\n<td>TC\u6570\u91cf\uff1aN<em>M<\/em>P(N\u4e2a\u53c2\u6570\uff0c\u6bcf\u4e2a\u53c2\u6570M\u79cd\u6821\u9a8c\uff0c\u6709P\u4e2a\u65b9\u6cd5\u5728\u8c03\u7528)<\/td>\n<td>TC\u6570\u91cf\uff1aN+M+P<\/td>\n<\/tr>\n<tr>\n<td>\u5176\u4ed6\u597d\u5904<\/td>\n<td> <\/td>\n<td>\u6574\u4f53\u5b89\u5168\u6027\u5927\u5927\u63d0\u5347\u3001\u4e0d\u53ef\u53d8\u6027\u3001\u7ebf\u7a0b\u5b89\u5168<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4e8c\u3001\u5e94\u7528\u67b6\u6784<\/h2>\n<h3>2.1 DDD\u601d\u60f3\u4e0b\u7684\u6807\u51c6\u5e94\u7528\u67b6\u6784<\/h3>\n<p>\u4f20\u7edf\u7684MVC\u67b6\u6784\u5206\u4e3a\u5c55\u73b0\u5c42\u3001\u4e1a\u52a1\u903b\u8f91\u5c42\u548c\u6570\u636e\u8bbf\u95ee\u5c42\uff0c\u66f4\u52a0\u6ce8\u91cd\u4ece\u5c55\u73b0\u5c42\u5230\u6570\u636e\u8bbf\u95ee\u5c42\u81ea\u4e0a\u800c\u4e0b\u7684\u4ea4\u4e92\uff0c\u7f16\u5199\u51fa\u6765\u7684\u4ee3\u7801\u50cf\u662f\u811a\u672c\u5f0f\u4ee3\u7801\u3002<\/p>\n<p>\u800c\u57fa\u4e8eDDD\u539f\u5219\uff0c\u5de5\u7a0b\u67b6\u6784\u88ab\u5206\u4e3a\u5e94\u7528\u5c42\u3001\u9886\u57df\u5c42\u548c\u57fa\u7840\u8bbe\u65bd\u5c42\u3002\u5c06\u5de5\u7a0b\u4e2d\u4e0d\u540c\u7684\u529f\u80fd\u548c\u804c\u8d23\u5212\u5206\u5230\u4e0d\u540c\u7684\u5c42\u7ea7\u4e2d\u3002\u6838\u5fc3\u7684\u4e1a\u52a1\u903b\u8f91\u653e\u5728\u9886\u57df\u5c42\u4e2d\u3002<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045496883\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><\/p>\n<h4>2.1.1 \u5e94\u7528\u5c42<\/h4>\n<p>\u6309\u7167DDD\u7684\u601d\u60f3\uff0c\u5e94\u7528\u5c42\u8d1f\u8d23\u534f\u8c03\u7528\u6237\u754c\u9762\u548c\u9886\u57df\u5c42\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002\u53ef\u4ee5\u901a\u4fd7\u7684\u8ba4\u4e3a\u662f\u5bf9\u9886\u57df\u670d\u52a1\u7684\u7f16\u6392\uff0c\u5176\u672c\u8eab\u4e0d\u5305\u542b\u4efb\u4f55\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n<h4>2.1.2 \u9886\u57df\u5c42<\/h4>\n<p>\u9886\u57df\u5c42\u8d1f\u8d23\u5b9e\u73b0\u6838\u5fc3\u4e1a\u52a1\u7684\u903b\u8f91\u548c\u89c4\u5219\u3002\u6309\u7167DDD\u7684\u601d\u60f3\uff0c\u8fd9\u4e00\u5c42\u5305\u542b\u5b9e\u4f53\u6a21\u5757\u3001\u503c\u5bf9\u8c61\u6a21\u5757\u3001\u4e8b\u4ef6\u3001\u9886\u57df\u670d\u52a1\u3002<\/p>\n<h4>2.1.3 \u57fa\u7840\u8bbe\u65bd\u5c42<\/h4>\n<p>\u57fa\u7840\u8bbe\u65bd\u5c42\u4e0d\u5904\u7406\u4efb\u4f55\u4e1a\u52a1\u903b\u8f91\uff0c\u53ea\u5305\u542b\u57fa\u7840\u8bbe\u65bd\uff0c\u901a\u5e38\u5305\u542b\u6570\u636e\u5e93\u3001\u5b9a\u65f6\u4efb\u52a1\u3001MQ\u3001\u5357\u5411\u7f51\u5173\u3001\u5317\u5411\u7f51\u5173\u7b49\u3002<\/p>\n<h3>2.2 \u6211\u5bf9\u6f14\u8fdb\u51fa\u516d\u8fb9\u5f62\u67b6\u6784\u7684\u7406\u89e3<\/h3>\n<h4>2.2.1 \u518d\u8c08\u5e94\u7528\u5c42<\/h4>\n<p>\u5728\u5b9e\u9645\u4e1a\u52a1\u903b\u8f91\u5f53\u4e2d\uff0c\u9664\u4e86\u7528\u6237\u754c\u9762\u5c42\u4e4b\u5916\uff0c\u8fd8\u6709\u5176\u4ed6\u5916\u90e8\u7cfb\u7edf\u4f1a\u8c03\u7528\u672c\u670d\u52a1\uff0c\u6bd4\u5982xxljob\u3001MQ\u3001\u6216\u8005\u63d0\u4f9b\u7ed9\u5916\u90e8\u7cfb\u7edf\u8c03\u7528http\u6216\u8005rpc\u63a5\u53e3\u7b49\u3002\u56e0\u6b64\u5728\u5b9e\u9645\u5f53\u4e2d\uff0c\u5e94\u7528\u5c42\u5e94\u5f53\u662f\u534f\u8c03\u5916\u90e8\u7cfb\u7edf\u4e0e\u9886\u57df\u5c42\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002<\/p>\n<p>\u6309\u7167\u6807\u51c6\u67b6\u6784\u5c42\u7ea7\u4f9d\u8d56\u5173\u7cfb\u6765\u770b\uff0c\u5e94\u7528\u5c42\u4f9d\u8d56\u4e86\u9886\u57df\u5c42\u548c\u57fa\u7840\u8bbe\u65bd\u5c42\u3002\u7531\u4e8e\u4f9d\u8d56\u4e86\u57fa\u7840\u8bbe\u65bd\u5c42\uff0c\u56e0\u6b64\u7834\u574f\u4e86\u5e94\u7528\u5c42\u672c\u8eab\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u6d4b\u8bd5\u6027\u3002\u56e0\u6b64\u6211\u4eec\u9700\u8981\u57fa\u4e8e\u63a5\u53e3\u8fdb\u884c\u4f9d\u8d56\u5012\u7f6e\u3002<\/p>\n<p>\u4e3a\u4e86\u9632\u6b62\u9886\u57df\u6982\u5ff5\u5916\u6cc4\uff0c\u9700\u8981\u5bf9\u5e94\u7528\u5c42\u8fdb\u4e00\u6b65\u7684\u62bd\u8c61\u4e3a\u5916\u90e8\u670d\u52a1\u548c\u5185\u90e8\u670d\u52a1\uff0c\u6240\u6709\u5916\u90e8\u670d\u52a1\u5fc5\u987b\u901a\u8fc7\u5185\u90e8\u670d\u52a1\u8c03\u7528\u9886\u57df\u5c42\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u9632\u6b62\u9886\u57df\u6a21\u578b\u7684\u5916\u6cc4\u3002<\/p>\n<h4>2.2.2 \u518d\u8c08\u9886\u57df\u5c42<\/h4>\n<p>\u540c\u6837\u7684\uff0c\u6309\u7167\u6807\u51c6\u67b6\u6784\u5c42\u7ea7\u4f9d\u8d56\u5173\u7cfb\uff0c\u9886\u57df\u5c42\u4f9d\u8d56\u57fa\u7840\u8bbe\u65bd\u5c42\uff0c\u4f46\u8fd9\u4e5f\u7834\u574f\u4e86\u9886\u57df\u5c42\u672c\u8eab\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6d4b\u8bd5\u6027\u3002\u56e0\u6b64\u6211\u4eec\u57fa\u4e8eDDD\u4e2d\u7684\u8d44\u6e90\u5e93\u601d\u60f3\uff0c\u62bd\u8c61repository\u5c42\uff0c\u901a\u8fc7\u63a5\u53e3\u5b9e\u73b0\u4f9d\u8d56\u53cd\u8f6c\u3002\u8ba9\u9886\u57df\u5c42\u4e0d\u518d\u4f9d\u8d56\u57fa\u7840\u8bbe\u65bd\u5c42\u3002\u4ece\u800c\u63d0\u9ad8\u9886\u57df\u5c42\u672c\u8eab\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6d4b\u8bd5\u6027\u3002<\/p>\n<h4>2.2.3 \u518d\u8c08\u57fa\u7840\u8bbe\u65bd\u5c42<\/h4>\n<p>\u5bf9\u4e8e\u57fa\u7840\u8bbe\u65bd\u5c42\u800c\u8a00\uff0c\u5b83\u4e3b\u8981\u4f5c\u7528\u662f\u63d0\u4f9b\u57fa\u7840\u8bbe\u65bd\u7684\u80fd\u529b\uff0c\u6bd4\u5982\u6570\u636e\u5e93\u3001MQ\u3001\u8fdc\u7a0b\u670d\u52a1\u8c03\u7528\u7b49\u3002\u8fdb\u4e00\u6b65\u62bd\u8c61\u53ef\u4ee5\u53d1\u73b0\u5b83\u4eec\u5c31\u662f\u7aef\u53e3\u548c\u9002\u914d\u5668\u3002\u901a\u8fc7\u7aef\u53e3\u5b9e\u73b0\u4e0e\u5916\u90e8\u7cfb\u7edf\u7684\u4ea4\u4e92\uff0c\u901a\u8fc7\u9002\u914d\u5668\u5b8c\u6210\u6570\u636e\u548c\u6982\u5ff5\u7684\u8f6c\u6362\u3002<\/p>\n<h4>2.2.4 \u6f14\u8fdb\u51fa\u516d\u8fb9\u5f62\u67b6\u6784<\/h4>\n<p>\u901a\u8fc7\u4f9d\u8d56\u53cd\u8f6c\uff0c\u795e\u5947\u7684\u4e8b\u60c5\u53d1\u751f\u4e86\u3002\u57fa\u7840\u8bbe\u65bd\u5c42\u53d8\u6210\u4e86\u6700\u5916\u5c42\u3002\/<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045496884\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<p>\u6211\u4eec\u7ed3\u5408\u5bf9\u5e94\u7528\u5c42\u3001\u9886\u57df\u5c42\u548c\u57fa\u7840\u8bbe\u65bd\u5c42\u8fdb\u4e00\u6b65\u7684\u7406\u89e3\u518d\u52a0\u4e0a\u53cd\u8f6c\u540e\u7684\u5e94\u7528\u67b6\u6784\uff0c\u4fbf\u53ef\u4ee5\u5f97\u5230\u516d\u8fb9\u5f62\u67b6\u6784\uff1a\/<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045496885\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<h3>2.3 \u5de5\u5177\u7c7b\u3001\u914d\u7f6e\u7c7b\u7684\u4ee3\u7801\u5e94\u8be5\u653e\u5728\u54ea\u91cc\uff1f<\/h3>\n<p>\u5728\u4e00\u4e2a\u5b9e\u9645\u7684\u5de5\u7a0b\u5f53\u4e2d\uff0c\u9664\u4e86\u4e0a\u9762\u6240\u8bf4\u7684\u4e09\u5c42\u4e4b\u5916\uff0c\u901a\u5e38\u4f1a\u4f7f\u7528\u5230\u4e00\u4e9b\u5de5\u5177\u7c7b\uff08JSON\u89e3\u6790\u5de5\u5177\u7c7b\u3001\u5b57\u7b26\u4e32\u5de5\u5177\u7c7b\u7b49\uff09\u3002\u5404\u5c42\u53ef\u80fd\u90fd\u4f1a\u4f7f\u7528\u5230\u5de5\u5177\u7c7b\u3002<\/p>\n<p>\u4ece\u5de5\u5177\u7c7b\u7684\u5b9a\u4f4d\u6765\u770b\uff0c\u5b83\u5e94\u5f53\u5c5e\u4e8e\u57fa\u7840\u8bbe\u65bd\u5c42\uff0c\u4f46\u662f\u57fa\u7840\u8bbe\u65bd\u5c42\u5c5e\u4e8e\u6700\u4e0a\u5c42\uff0c\u5982\u679c\u653e\u5728\u57fa\u7840\u8bbe\u65bd\u5c42\uff0c\u90a3\u4e48\u5c31\u4f1a\u7834\u574f\u4f9d\u8d56\u987a\u5e8f\u3002\u56e0\u6b64\u6211\u4eec\u5728\u903b\u8f91\u5212\u5206\u4e0a\u53ef\u4ee5\u628a\u5de5\u5177\u7c7b\u5f52\u7c7b\u4e3a\u57fa\u7840\u8bbe\u65bd\u6216\u8005\u901a\u7528\u57df\uff0c\u5728\u5177\u4f53\u7684\u5de5\u7a0b\u7ed3\u6784\u4e2d\uff0c\u53ef\u4ee5\u5355\u72ec\u4e00\u4e2a\u6a21\u5757\u653e\u5de5\u5177\u7c7b\u3002<\/p>\n<p>\u5728\u5b9e\u9645\u5de5\u7a0b\u4e2d\u8fd8\u6709\u4e00\u79cd\u7c7b\u578b\u7684\u4ee3\u7801\u662f\u914d\u7f6e\u76f8\u5173\u7684\u3002\u4ece\u4e1a\u52a1\u7ef4\u5ea6\u5212\u5206\u7684\u8bdd\u53ef\u4ee5\u5206\u4e3a\u4e1a\u52a1\u7c7b\u914d\u7f6e\u548c\u57fa\u7840\u8bbe\u65bd\u7c7b\u914d\u7f6e\u3002\u56e0\u6b64\u6211\u4eec\u9700\u8981\u6839\u636e\u914d\u7f6e\u7684\u7c7b\u578b\u5c06\u5176\u653e\u5728\u5bf9\u5e94\u7684\u4f4d\u7f6e\u3002\u6bd4\u5982\u4e3a\u4e86\u7075\u6d3b\u5e94\u5bf9\u4e1a\u52a1\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u914d\u7f6e\u4e00\u4e2a\u52a8\u6001\u5f00\u5173\uff0c\u6765\u52a8\u6001\u8c03\u6574\u4e1a\u52a1\u7684\u903b\u8f91\uff0c\u8fd9\u79cd\u4e1a\u52a1\u5f00\u5173\u7c7b\u7684\u914d\u7f6e\u5c31\u5e94\u8be5\u653e\u5728\u9886\u57df\u5c42\uff1b\u518d\u6bd4\u5982\u6570\u636e\u5e93\u7684\u914d\u7f6e\u5c5e\u4e8e\u57fa\u7840\u8bbe\u65bd\u914d\u7f6e\uff0c\u8fd9\u7c7b\u914d\u7f6e\u5c31\u5e94\u5f53\u653e\u5728\u57fa\u7840\u8bbe\u65bd\u5c42\u3002<\/p>\n<h3>2.4 \u6211\u5bf9\u4e8e\u9879\u76ee\u7684\u516d\u8fb9\u5f62\u67b6\u6784\u7684\u5b9e\u8df5<\/h3>\n<p>\u6211\u4eec\u56e2\u961f\u505a\u7684\u7684\u804c\u8d23\u662f\u4e1a\u52a1\u5e95\u5ea7\uff0c\u5305\u542b\u4e00\u7cfb\u5217\u7684\u57fa\u7840\u80fd\u529b\u5efa\u8bbe\u3002\u5176\u4e2d\u5bf9\u4e8eIDaaS\u7cfb\u7edf\u800c\u8a00\uff0c\u57fa\u4e8e\u516d\u8fb9\u5f62\u67b6\u6784\u5b9e\u73b0\u51fa\u4ee5\u4e0b\u5de5\u7a0b\u7ed3\u6784\uff1a\/<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045496886\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<h2>\u4e09\u3001repository\u6a21\u5f0f<\/h2>\n<h3>3.1 \u4ec0\u4e48\u662frepository\u6a21\u5f0f\uff1f<\/h3>\n<p>\u5728DDD\u601d\u60f3\u4e2d\uff0crepository\u8868\u793a\u8d44\u6e90\u5e93\u7684\u6982\u5ff5\uff0c\u7528\u4e8e\u533a\u5206\u6570\u636e\u6a21\u578b\u548c\u9886\u57df\u6a21\u578b\u3002\u5b83\u64cd\u4f5c\u7684\u5bf9\u8c61\u662f\u805a\u5408\u6839\uff0c\u56e0\u6b64\u5b83\u5c5e\u4e8e\u9886\u57df\u5c42\u3002<\/p>\n<h3>3.2 \u4e3a\u4ec0\u4e48\u8981\u4f7f\u7528repository\u6a21\u5f0f\uff1f<\/h3>\n<p>repository\u6a21\u5f0f\u6709\u4e24\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u4f5c\u7528\uff1a1\u3001\u4e0e\u5e95\u5c42\u5b58\u50a8\u8fdb\u884c\u89e3\u5076\uff1b2\u3001\u4e3a\u89e3\u51b3\u8d2b\u8840\u6a21\u578b\u63d0\u4f9b\u4e86\u4e00\u79cd\u89c4\u8303\u3002<\/p>\n<h3>3.3 \u4ec0\u4e48\u662f\u8d2b\u8840\u6a21\u578b\uff1f<\/h3>\n<p>\u7531\u4e8e\u8fc7\u53bbER\u6a21\u578b\u4ee5\u53ca\u4e3b\u6d41ORM\u6846\u67b6\u7684\u53d1\u5c55\uff0c\u8ba9\u5f88\u591a\u5f00\u53d1\u8005\u5bf9\u5b9e\u4f53\u7684\u6982\u5ff5\u8fd8\u505c\u7559\u5728\u4e0e\u5173\u7cfb\u5f62\u6570\u636e\u5e93\u6620\u5c04\u8fd9\u4e2a\u5c42\u9762\u3002\u4ece\u800c\u5bfc\u81f4\u5b9e\u4f53\u53ea\u6709\u7a7a\u6d1e\u7684\u5c5e\u6027\uff0c\u800c\u5b9e\u4f53\u7684\u4e1a\u52a1\u903b\u8f91\u6563\u843d\u5404\u4e2aservice\u3001util\u3001helper\u3001handler\u7b49\u5404\u79cd\u89d2\u843d\u4e2d\u3002\u8fd9\u79cd\u73b0\u8c61\u5c31\u88ab\u79f0\u4e3a\u8d2b\u8840\u6a21\u578b\u73b0\u8c61\u3002<\/p>\n<blockquote><p>\u5982\u4f55\u5224\u65ad\u81ea\u5df1\u7684\u5de5\u7a0b\u662f\u5426\u6709\u8d2b\u8840\u6a21\u578b\u73b0\u8c61\uff1f<\/p><\/blockquote>\n<p>1\u3001\u5927\u91cf\u7684XxxDO\u6216\u8005Xxx\uff1a\u5b9e\u4f53\u5bf9\u8c61\u53ea\u5305\u542b\u4e0e\u6570\u636e\u5e93\u8868\u6620\u5c04\u7684\u5c5e\u6027\uff0c\u6ca1\u6709\u884c\u4e3a\u6216\u8005\u53ca\u5176\u5c11\u91cf\u7684\u884c\u4e3a\uff1b<\/p>\n<p>2\u3001\u4e1a\u52a1\u903b\u8f91\u5728\u5404\u79cdservice\u3001controller\u3001util\u3001helper\u3001handler\u4e2d\uff1a\u5b9e\u4f53\u7684\u4e1a\u52a1\u903b\u8f91\u6563\u843d\u5728\u4e0d\u540c\u5c42\u7ea7\u3001\u4e0d\u540c\u7c7b\u3001\u4e0d\u540c\u65b9\u6cd5\u4e2d\uff0c\u76f8\u4f3c\u573a\u666f\u6709\u5927\u91cf\u7684\u91cd\u590d\u4ee3\u7801\u3002<\/p>\n<h3>3.4 \u4e3a\u4ec0\u4e48\u8d2b\u8840\u6a21\u578b\u4e0d\u597d\uff1f<\/h3>\n<p>\u65e0\u6cd5\u4fdd\u8bc1\u5b9e\u4f53\u5bf9\u8c61\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\uff1a\u8d2b\u8840\u6a21\u578b\u4e0b\uff0c\u5b9e\u4f53\u5c5e\u6027\u7684\u72b6\u6001\u548c\u503c\u53ea\u80fd\u7531\u8c03\u7528\u65b9\u4fdd\u8bc1\uff0c\u4f46\u662f\u5c5e\u6027\u7684get\u548cset\u662f\u516c\u5f00\u7684\uff0c\u56e0\u6b64\u6240\u6709\u8c03\u7528\u65b9\u90fd\u53ef\u4ee5\u8c03\u7528\u3002\u6240\u4ee5\u65e0\u6cd5\u4fdd\u8bc1\u5bf9\u8c61\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u64cd\u4f5c\u5b9e\u4f53\u5bf9\u8c61\u7684\u8fb9\u754c\u5f88\u96be\u53d1\u73b0\uff1a\u7531\u4e8e\u5bf9\u8c61\u53ea\u6709\u5c5e\u6027\uff0c\u5c5e\u6027\u7684\u8fb9\u754c\u503c\u3001\u8c03\u7528\u8303\u56f4\u4e0d\u53d7\u5b9e\u4f53\u81ea\u8eab\u63a7\u5236\uff0c\u5404\u4e2a\u5730\u65b9\u90fd\u53ef\u4ee5\u8c03\u7528\uff0c\u8fb9\u754c\u503c\u548c\u8303\u56f4\u4e5f\u53ea\u80fd\u7531\u8c03\u7528\u65b9\u81ea\u884c\u4fdd\u969c\u3002\u5982\u679c\u5b9e\u4f53\u7684\u8fb9\u754c\u503c\u6709\u6240\u53d8\u5316\uff0c\u90a3\u4e48\u6240\u6709\u8c03\u7528\u65b9\u90fd\u9700\u8981\u8c03\u6574\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5f88\u5bb9\u6613\u5bfc\u81f4bug\u7684\u4ea7\u751f\u3002<\/p>\n<p>\u5f3a\u4f9d\u8d56\u5e95\u5c42\uff1a\u8d2b\u8840\u6a21\u578b\u4e0b\u7684\u5b9e\u4f53\u548c\u6570\u636e\u5e93\u6a21\u578b\u6620\u5c04\u3001\u534f\u8bae\u7b49\u3002\u56e0\u6b64\u5982\u679c\u5e95\u5c42\u6539\u53d8\uff0c\u90a3\u4e48\u4e0a\u5c42\u903b\u8f91\u9700\u8981\u5168\u90e8\u8ddf\u7740\u6539\u53d8\u3002\u201c\u8f6f\u4ef6\u201d\u53d8\u6210\u4e86\u201c\u56fa\u4ef6\u201d\u3002<\/p>\n<p>\u603b\u7ed3\u4e00\u53e5\u8bdd\uff1a\u8d2b\u8840\u6a21\u578b\u4e0b\uff0c\u8f6f\u4ef6\u7684\u53ef\u7ef4\u62a4\u6027\u3001\u53ef\u6269\u5c55\u6027\u3001\u53ef\u6d4b\u8bd5\u6027\u6781\u5dee\uff01<\/p>\n<pre><code>\u6269\u5c55\uff1a\n\u8f6f\u4ef6\u7684\u53ef\u7ef4\u62a4\u6027=\u5e95\u5c42\u57fa\u7840\u8bbe\u65bd\u53d8\u5316\u65f6\uff0c\u9700\u8981\u65b0\u589e\/\u4fee\u6539\u7684\u4ee3\u7801\u91cf\u662f\u591a\u5c11\uff08\u8d8a\u5c11\u53ef\u7ef4\u62a4\u6027\u8d8a\u597d\uff09\n\u8f6f\u4ef6\u7684\u53ef\u6269\u5c55\u6027=\u65b0\u589e\u6216\u53d8\u66f4\u4e1a\u52a1\u903b\u8f91\u65f6\uff0c\u9700\u8981\u65b0\u589e\/\u4fee\u6539\u7684\u4ee3\u7801\u91cf\u662f\u591a\u5c11\uff08\u8d8a\u5c11\u53ef\u6269\u5c55\u6027\u8d8a\u597d\uff09\n\u8f6f\u4ef6\u7684\u53ef\u6d4b\u8bd5\u6027=\u6bcf\u6761TC\u6267\u884c\u7684\u65f6\u957f * \u65b0\u589e\u6216\u53d8\u66f4\u4e1a\u52a1\u903b\u8f91\u65f6\u4ea7\u751f\u7684TC\uff08\u65f6\u957f\u8d8a\u4f4e\/TC\u8d8a\u5c11\uff0c\u6d4b\u8bd5\u6027\u597d\uff09\n<\/code><\/pre>\n<h3>3.5 \u5b9e\u9645\u60c5\u51b5\u4e2d\uff0c\u4e3a\u4ec0\u4e48\u8d2b\u8840\u6a21\u578b\u96be\u4ee5\u6d88\u706d\uff1f<\/h3>\n<p>1\u3001\u6570\u636e\u5e93\u601d\u7ef4<\/p>\n<p>\u968f\u7740ER\u548cORM\u6846\u67b6\u7684\u53d1\u5c55\uff0c\u8ba9\u591a\u6570\u5f00\u53d1\u8005\u5728\u521a\u5165\u95e8\u7684\u65f6\u5019\uff08\u81ea\u5b66\u3001\u57f9\u8bad\u7b49\u65b9\u5f0f\uff09\uff0c\u5c31\u8ba4\u4e3a\u5b9e\u4f53\u5c31\u662f\u6570\u636e\u5e93\u8868\u6620\u5c04\uff1b\u4ece\u800c\u7b80\u5355\u7684\u5c06\u9762\u5411\u4e1a\u52a1\u9886\u57df\u5f00\u53d1\u8f6c\u53d8\u6210\u4e86\u9762\u5411\u6570\u636e\u5e93\u5f00\u53d1\uff0c\u6e10\u6e10\u5730\u5c31\u8ba4\u4e3a\u8f6f\u4ef6\u5f00\u53d1\u5c31\u662fCRUD\u3002<\/p>\n<p>2\u3001\u7b80\u5355<\/p>\n<p>\u5c3d\u7ba1\u6709\u4e9b\u67b6\u6784\u5e08\u6216\u8005\u5f00\u53d1\u4eba\u5458\u77e5\u9053\u8d2b\u8840\u6a21\u578b\u4e0d\u597d\uff0c\u4f46\u662f\u4f01\u4e1a\u4e3a\u4e86\u5360\u9886\u5e02\u573a\uff0c\u9700\u8981\u5feb\u901f\u63a8\u51fa\u4ea7\u54c1\u3002\u56e0\u6b64\u5de5\u671f\u88ab\u538b\u7f29\u7684\u5f88\u5389\u5bb3\u3002\u800c\u8d2b\u8840\u6a21\u578b\u6070\u597d\u7b80\u5355\uff0c\u5728\u8f6f\u4ef6\u521d\u671f\u9636\u6bb5\uff0c\u53ef\u4ee5\u5feb\u901f\u5b9e\u73b0\u4e1a\u52a1\u903b\u8f91\u3002\u4ece\u800c\u8feb\u4f7f\u5f00\u53d1\u4eba\u5458\u4e0d\u5f97\u4e0d\u201c\u5148\u5b9e\u73b0\u4e86\u518d\u8bf4\u201d\u3002\u8fd9\u79cd\u73b0\u8c61\u4e5f\u662f\u884c\u4e1a\u7684\u666e\u904d\u73b0\u8c61\u3002<\/p>\n<p>3\u3001\u811a\u672c\u601d\u7ef4<\/p>\n<p>\u6709\u4e9b\u5f00\u53d1\u4eba\u5458\u5177\u5907\u4e00\u5b9a\u7684\u62bd\u8c61\u601d\u7ef4\uff0c\u5c06\u4e00\u4e9b\u5171\u6027\u7684\u4ee3\u7801\u5199\u6210util\u3001helper\u3001handler\u7b49\u7c7b\u3002\u4f46\u5199\u4ee3\u7801\u4f9d\u7136\u662f\u811a\u672c\u601d\u7ef4\u3002\u6bd4\u5982\u4e00\u4e2a\u65b9\u6cd5\u4e2d\uff0c\u5148\u6765\u4e2a\u5b57\u6bb5\u6821\u9a8c\u4ee3\u7801\uff0c\u518d\u6765\u4e2a\u5bf9\u8c61\u8f6c\u6362\u4ee3\u7801\uff0c\u7136\u540e\u8c03\u7528\u8fdc\u7a0b\u670d\u52a1\uff0c\u5bf9\u8fdc\u7a0b\u670d\u52a1\u8fd4\u56de\u7684\u7ed3\u679c\u518d\u6765\u4e2a\u5bf9\u8c61\u8f6c\u6362\uff0c\u2026\u2026\u6700\u540e\u8c03\u7528Dao\u7c7b\u7684\u65b9\u6cd5\u4fdd\u5b58\u5bf9\u8c61\u3002\u8fd9\u79cd\u4ee3\u7801\u5728\u5f88\u591a\u5de5\u7a0b\u4e2d\u592a\u5e38\u89c1\u4e86\u3002<\/p>\n<p>\u57fa\u4e8e\u8fd9\u4e9b\u56e0\u7d20\uff0c\u5bfc\u81f4\u8d2b\u8840\u6a21\u578b\u96be\u4ee5\u6d88\u706d\u3002<\/p>\n<blockquote><p>\u8fd9\u4e9b\u56e0\u7d20\u7684\u6839\u672c\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/p><\/blockquote>\n<p>\u6839\u672c\u539f\u56e0\u5c31\u662f\uff0c\u5927\u90e8\u5206\u7684\u5f00\u53d1\u4eba\u5458\u6df7\u6dc6\u4e86\u6570\u636e\u6a21\u578b\u548c\u9886\u57df\u6a21\u578b\u8fd9\u4e24\u4e2a\u6982\u5ff5\u3002<\/p>\n<p>\u6570\u636e\u6a21\u578b\uff08Data Model\uff09\uff1a\u6570\u636e\u6a21\u578b\u89e3\u51b3\u7684\u662f\u6570\u636e\u5982\u4f55\u6301\u4e45\u5316\u3001\u5982\u4f55\u4f20\u8f93\u7684\u95ee\u9898\uff1b<\/p>\n<p>\u9886\u57df\u6a21\u578b\uff08Domin Model\uff09\uff1a\u9886\u57df\u6307\u7684\u662f\u67d0\u4e00\u4e2a\u72ec\u7acb\u7684\u4e1a\u52a1\u9886\u57df\u6216\u8005\u95ee\u9898\u7a7a\u95f4\uff0c\u9886\u57df\u6a21\u578b\u5c31\u662f\u89e3\u51b3\u8fd9\u4e2a\u4e1a\u52a1\u9886\u57df\u6216\u8005\u95ee\u9898\u7a7a\u95f4\u800c\u8bbe\u8ba1\u7684\u6a21\u578b\uff1b\u89e3\u51b3\u7684\u662f\u4e1a\u52a1\u9886\u57df\u7684\u95ee\u9898\u3002<\/p>\n<p>\u5728DDD\u4e2d\uff0crepository\u5c31\u662f\u7528\u4e8e\u533a\u5206\u6570\u636e\u6a21\u578b\u548c\u9886\u57df\u6a21\u578b\u63d0\u51fa\u6765\u7684\u6982\u5ff5\u3002<\/p>\n<h3>3.6 \u4f7f\u7528repository\u4e4b\u540e\uff0c\u6570\u636e\u6a21\u578b\u548c\u9886\u57df\u6a21\u578b\u5982\u4f55\u8f6c\u6362\uff1f<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045496887\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<p>\u4f7f\u7528repository\u4e4b\u540e\uff0c\u6570\u636e\u6a21\u578b\u548c\u9886\u57df\u6a21\u578b\u90fd\u5404\u53f8\u5176\u804c\u3002\u901a\u8fc7Assembler\u548cConverter\u8fdb\u884c\u6a21\u578b\u4e4b\u95f4\u7684\u8f6c\u6362\u3002<\/p>\n<blockquote><p>\u5728\u4ee3\u7801\u4e2d\uff0c\u52a8\u6001\u8f6c\u6362\u6620\u5c04 VS \u9759\u6001\u8f6c\u6362\u6620\u5c04<\/p><\/blockquote>\n<p>\u867d\u7136Assembler\/Converter\u662f\u975e\u5e38\u597d\u7528\u7684\u5bf9\u8c61\uff0c\u4f46\u662f\u5f53\u4e1a\u52a1\u590d\u6742\u65f6\uff0c\u624b\u5199Assembler\/Converter\u662f\u4e00\u4ef6\u8017\u65f6\u4e14\u5bb9\u6613\u51fabug\u7684\u4e8b\u60c5\uff0c\u6240\u4ee5\u4e1a\u754c\u4f1a\u6709\u591a\u79cdBean Mapping\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u4ece\u672c\u8d28\u4e0a\u5206\u4e3a\u52a8\u6001\u548c\u9759\u6001\u6620\u5c04\u3002<\/p>\n<p>\u52a8\u6001\u6620\u5c04\u65b9\u6848\u5305\u62ec\u6bd4\u8f83\u539f\u59cb\u7684 BeanUtils.copyProperties\u3001\u80fd\u901a\u8fc7xml\u914d\u7f6e\u7684Dozer\u7b49\uff0c\u5176\u6838\u5fc3\u662f\u5728\u8fd0\u884c\u65f6\u6839\u636e\u53cd\u5c04\u52a8\u6001\u8d4b\u503c\u3002\u52a8\u6001\u65b9\u6848\u7684\u7f3a\u9677\u5728\u4e8e\u5927\u91cf\u7684\u53cd\u5c04\u8c03\u7528\uff0c\u6027\u80fd\u6bd4\u8f83\u5dee\uff0c\u5185\u5b58\u5360\u7528\u591a\uff0c\u4e0d\u9002\u5408\u7279\u522b\u9ad8\u5e76\u53d1\u7684\u5e94\u7528\u573a\u666f\u3002\u800cBeanUtils\u7b49copy\u7c7b\u5de5\u5177\u9690\u85cf\u4e86\u5185\u90e8copy\u7684\u8fc7\u7a0b\uff0c\u5f88\u5bb9\u6613\u5f15\u53d1bug\u4e14\u4e0d\u6613\u6392\u67e5\u3002<\/p>\n<p>MapStruct\u901a\u8fc7\u6ce8\u89e3\uff0c\u5728\u7f16\u8bd1\u65f6\u9759\u6001\u751f\u6210\u6620\u5c04\u4ee3\u7801\uff0c\u5176\u6700\u7ec8\u7f16\u8bd1\u51fa\u6765\u7684\u4ee3\u7801\u548c\u624b\u5199\u7684\u4ee3\u7801\u5728\u6027\u80fd\u4e0a\u5b8c\u5168\u4e00\u81f4\uff0c\u4e14\u6709\u5f3a\u5927\u7684\u6ce8\u89e3\u7b49\u80fd\u529b\u3002\u4f1a\u8282\u7701\u5927\u91cf\u7684\u6210\u672c\u3002<\/p>\n<h3>3.7 \u4ee3\u7801\u5c42\u9762\u6a21\u578b\u89c4\u8303\u548c\u6bd4\u8f83<\/h3>\n<table>\n<thead>\n<tr>\n<th> <\/th>\n<th>DO<\/th>\n<th>Entity<\/th>\n<th>DTO<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u547d\u540d\u89c4\u8303<\/td>\n<td>XxxDO<\/td>\n<td>Xxx<\/td>\n<td>XxxDTO\/XxxRequest\/XxxVO\/XxxCommand\u7b49<\/td>\n<\/tr>\n<tr>\n<td>\u4ee3\u7801\u5c42\u7ea7<\/td>\n<td>\u57fa\u7840\u8bbe\u65bd\u5c42<\/td>\n<td>\u9886\u57df\u5c42<\/td>\n<td>\u5e94\u7528\u5c42<\/td>\n<\/tr>\n<tr>\n<td>\u5b57\u6bb5\u540d\u79f0\u6807\u51c6<\/td>\n<td>\u4e8e\u6570\u636e\u5e93\u5b57\u6bb5\u4fdd\u6301\u4e00\u81f4<\/td>\n<td>\u4e1a\u52a1\u8bed\u8a00<\/td>\n<td>\u548c\u8c03\u7528\u65b9\u5546\u5b9a<\/td>\n<\/tr>\n<tr>\n<td>\u5b57\u6bb5\u7c7b\u578b\u6807\u51c6<\/td>\n<td>\u548c\u6570\u636e\u5e93\u5b57\u6bb5\u4fdd\u6301\u4e00\u81f4<\/td>\n<td>\u6839\u636e\u4e1a\u52a1\u7279\u5f81\u786e\u5b9a\u4e8b\u57fa\u7840\u7c7b\u578b\u8fd8\u662f\u503c\u5bf9\u8c61<\/td>\n<td>\u548c\u8c03\u7528\u65b9\u5546\u5b9a<\/td>\n<\/tr>\n<tr>\n<td>\u662f\u5426\u9700\u8981\u5e8f\u5217\u5316<\/td>\n<td>\u4e0d\u9700\u8981<\/td>\n<td>\u4e0d\u9700\u8981<\/td>\n<td>\u9700\u8981<\/td>\n<\/tr>\n<tr>\n<td>\u8f6c\u6362\u5668<\/td>\n<td>Assembler<\/td>\n<td>Assembler\/Converter<\/td>\n<td>Converter<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>3.8 \u4ee3\u7801\u5c42\u9762repository\u89c4\u8303<\/h3>\n<p>1\u3001\u63a5\u53e3\u540d\u547d\u540d\u89c4\u8303<\/p>\n<p>repository\u4e2d\u7684\u63a5\u53e3\u540d\u4e0d\u8981\u4f7f\u7528\u5e95\u5c42\u5b58\u50a8\u7684\u540d\u79f0\uff08insert\u3001update\u3001add\u3001delete\u3001query\u7b49\uff09\uff0c\u800c\u662f\u5c3d\u91cf\u4f7f\u7528\u5177\u6709\u4e1a\u52a1\u542b\u4e49\u7684\u547d\u540d\u3002\u6bd4\u5982save\u3001remove\u3001find\u7b49\u3002<\/p>\n<p>2\u3001\u63a5\u53e3\u7684\u53c2\u6570\u89c4\u8303<\/p>\n<p>repository\u64cd\u4f5c\u7684\u5bf9\u8c61\u662f\u805a\u5408\u6839\u3002\u56e0\u6b64\u53ea\u80fd\u64cd\u4f5c\u805a\u5408\u6839\u6216\u8005\u5b9e\u4f53\u3002\u8fd9\u6837\u624d\u80fd\u5c4f\u853d\u5e95\u5c42\u7684\u6570\u636e\u6a21\u578b\uff0c\u907f\u514d\u6570\u636e\u6a21\u578b\u6e17\u900f\u5230\u9886\u57df\u5c42\u3002<\/p>\n<h2>\u56db\u3001\u9886\u57df\u5c42\u8bbe\u8ba1\u89c4\u8303<\/h2>\n<h3>4.1 \u5b9e\u4f53\u7c7b<\/h3>\n<p>\u5927\u591a\u6570DDD\u67b6\u6784\u7684\u6838\u5fc3\u90fd\u662f\u5b9e\u4f53\u7c7b\uff0c\u5b9e\u4f53\u7c7b\u5305\u542b\u4e86\u4e00\u4e2a\u9886\u57df\u91cc\u7684\u72b6\u6001\u3001\u4ee5\u53ca\u5bf9\u72b6\u6001\u7684\u76f4\u63a5\u64cd\u4f5c\u3002Entity\u6700\u91cd\u8981\u7684\u8bbe\u8ba1\u539f\u5219\u662f\u4fdd\u8bc1\u5b9e\u4f53\u7684\u4e0d\u53d8\u6027\uff08Invariants\uff09\uff0c\u4e5f\u5c31\u662f\u8bf4\u8981\u786e\u4fdd\u65e0\u8bba\u5916\u90e8\u600e\u4e48\u64cd\u4f5c\uff0c\u4e00\u4e2a\u5b9e\u4f53\u5185\u90e8\u7684\u5c5e\u6027\u90fd\u4e0d\u80fd\u51fa\u73b0\u76f8\u4e92\u51b2\u7a81\uff0c\u72b6\u6001\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002<\/p>\n<h4>4.1.1 \u521b\u5efa\u5373\u4e00\u81f4<\/h4>\n<p>constructor\u53c2\u6570\u8981\u5305\u542b\u6240\u6709\u5fc5\u8981\u5c5e\u6027\uff0c\u6216\u8005\u5728constructor\u91cc\u6709\u5408\u7406\u7684\u9ed8\u8ba4\u503c\u3002<\/p>\n<h4>4.1.2 \u4f7f\u7528Factory\u6a21\u5f0f\u6765\u964d\u4f4e\u8c03\u7528\u65b9\u590d\u6742\u5ea6<\/h4>\n<p>\u7531\u4e8e\u521b\u5efa\u5373\u4e00\u81f4\u7684\u539f\u5219\uff0c\u5bfc\u81f4\u5b9e\u4f53\u7684\u6784\u9020\u65b9\u6cd5\u53ef\u80fd\u4f1a\u5f88\u590d\u6742\uff0c\u56e0\u6b64\u53ef\u4ee5\u4f7f\u7528Factory\u6a21\u5f0f\u6765\u5feb\u901f\u7684\u6784\u9020\u51fa\u4e00\u4e2a\u65b0\u7684\u5b9e\u4f53\u3002\u964d\u4f4e\u8c03\u7528\u65b9\u7684\u590d\u6742\u5ea6\u3002<\/p>\n<h4>4.1.3 \u5c3d\u91cf\u907f\u514dpublic setter<\/h4>\n<p>\u4e00\u4e2a\u6700\u5bb9\u6613\u5bfc\u81f4\u4e0d\u4e00\u81f4\u6027\u7684\u539f\u56e0\u662f\u5b9e\u4f53\u66b4\u9732\u4e86public\u7684setter\u65b9\u6cd5\uff0c\u7279\u522b\u662fset\u5355\u4e00\u53c2\u6570\u4f1a\u5bfc\u81f4\u72b6\u6001\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u5982\u679c\u9700\u8981\u6539\u53d8\u72b6\u6001\uff0c\u5c3d\u91cf\u8bed\u4e49\u5316\u65b9\u6cd5\u540d\u79f0\u3002<\/p>\n<h4>4.1.4 \u901a\u8fc7\u805a\u5408\u6839\u4fdd\u8bc1\u4e3b\u5b50\u5b9e\u4f53\u7684\u4e00\u81f4\u6027<\/h4>\n<p>\u901a\u5e38\u4e3b\u5b9e\u4f53\u4f1a\u5305\u542b\u5b50\u5b9e\u4f53\uff0c\u8fd9\u65f6\u5019\u4e3b\u5b9e\u4f53\u5c31\u9700\u8981\u8d77\u5230\u805a\u5408\u6839\u7684\u4f5c\u7528\uff0c\u5373\uff1a<\/p>\n<ul>\n<li>\u5b50\u5b9e\u4f53\u4e0d\u80fd\u5355\u72ec\u5b58\u5728\uff0c\u53ea\u80fd\u901a\u8fc7\u805a\u5408\u6839\u7684\u65b9\u6cd5\u83b7\u53d6\u5230\u3002\u4efb\u4f55\u5916\u90e8\u7684\u5bf9\u8c61\u90fd\u4e0d\u80fd\u76f4\u63a5\u4fdd\u7559\u5b50\u5b9e\u4f53\u7684\u5f15\u7528<\/li>\n<li>\u5b50\u5b9e\u4f53\u6ca1\u6709\u72ec\u7acb\u7684Repository\uff0c\u4e0d\u53ef\u4ee5\u5355\u72ec\u4fdd\u5b58\u548c\u53d6\u51fa\uff0c\u5fc5\u987b\u8981\u901a\u8fc7\u805a\u5408\u6839\u7684Repository\u5b9e\u4f8b\u5316<\/li>\n<li>\u5b50\u5b9e\u4f53\u53ef\u4ee5\u5355\u72ec\u4fee\u6539\u81ea\u8eab\u72b6\u6001\uff0c\u4f46\u662f\u591a\u4e2a\u5b50\u5b9e\u4f53\u4e4b\u95f4\u7684\u72b6\u6001\u4e00\u81f4\u6027\u9700\u8981\u805a\u5408\u6839\u6765\u4fdd\u969c<\/li>\n<\/ul>\n<p>&lt;!&#8212;-&gt;<\/p>\n<pre><code>exp\uff1a\u5e38\u89c1\u7684\u7535\u5546\u57df\u4e2d\u805a\u5408\u7684\u6848\u4f8b\u5982\u4e3b\u5b50\u8ba2\u5355\u6a21\u578b\u3001\u5546\u54c1\/SKU\u6a21\u578b\u3001\u8de8\u5b50\u8ba2\u5355\u4f18\u60e0\u3001\u8de8\u5e97\u4f18\u60e0\u6a21\u578b\u7b49\u3002\n<\/code><\/pre>\n<h4>4.1.5 \u4e0d\u53ef\u4ee5\u5f3a\u4f9d\u8d56\u5176\u4ed6\u805a\u5408\u6839\u5b9e\u4f53\u6216\u9886\u57df\u670d\u52a1<\/h4>\n<p>\u4e00\u4e2a\u5b9e\u4f53\u7684\u539f\u5219\u662f\u9ad8\u5185\u805a\u3001\u4f4e\u8026\u5408\uff0c\u5373\u4e00\u4e2a\u5b9e\u4f53\u7c7b\u4e0d\u80fd\u76f4\u63a5\u5728\u5185\u90e8\u76f4\u63a5\u4f9d\u8d56\u4e00\u4e2a\u5916\u90e8\u7684\u5b9e\u4f53\u6216\u670d\u52a1\u3002<\/p>\n<pre><code>\u5bf9\u5916\u90e8\u5bf9\u8c61\u7684\u4f9d\u8d56\u6027\u4f1a\u76f4\u63a5\u5bfc\u81f4\u5b9e\u4f53\u65e0\u6cd5\u88ab\u5355\u6d4b\uff1b\n\u4ee5\u53ca\u4e00\u4e2a\u5b9e\u4f53\u65e0\u6cd5\u4fdd\u8bc1\u5916\u90e8\u5b9e\u4f53\u53d8\u66f4\u540e\u4e0d\u4f1a\u5f71\u54cd\u672c\u5b9e\u4f53\u7684\u4e00\u81f4\u6027\u548c\u6b63\u786e\u6027\u3002\n<\/code><\/pre>\n<blockquote><p><strong>\u6b63\u786e\u4f9d\u8d56\u5916\u90e8\u7684\u65b9\u5f0f<\/strong><\/p><\/blockquote>\n<p>\u53ea\u4fdd\u5b58\u5916\u90e8\u5b9e\u4f53\u7684ID\uff1a\u8fd9\u91cc\u6211\u518d\u6b21\u5f3a\u70c8\u5efa\u8bae\u4f7f\u7528\u5f3a\u7c7b\u578b\u7684ID\u5bf9\u8c61\uff0c\u800c\u4e0d\u662fLong\u578bID\u3002\u5f3a\u7c7b\u578b\u7684ID\u5bf9\u8c61\u4e0d\u5355\u5355\u80fd\u81ea\u6211\u5305\u542b\u9a8c\u8bc1\u4ee3\u7801\uff0c\u4fdd\u8bc1ID\u503c\u7684\u6b63\u786e\u6027\uff0c\u540c\u65f6\u8fd8\u80fd\u786e\u4fdd\u5404\u79cd\u5165\u53c2\u4e0d\u4f1a\u56e0\u4e3a\u53c2\u6570\u987a\u5e8f\u53d8\u5316\u800c\u51fabug\u3002<\/p>\n<p>\u9488\u5bf9\u4e8e\u201c\u65e0\u526f\u4f5c\u7528\u201d\u7684\u5916\u90e8\u4f9d\u8d56\uff0c\u901a\u8fc7\u65b9\u6cd5\u5165\u53c2\u7684\u65b9\u5f0f\u4f20\u5165\u3002\u6bd4\u5982\u4e0a\u6587\u4e2d\u7684equip(Weapon\uff0cEquipmentService\uff09\u65b9\u6cd5\u3002<\/p>\n<h4>4.1.6 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Dispatch<\/strong><\/p><\/blockquote>\n<pre><code>exp\uff1a\u5bf9\u4e8e\u201c\u73a9\u5bb6\u201d\u5b9e\u4f53\u800c\u8a00\uff0c\u6709\u4e00\u4e2a\u201cequip()\u201d\u88c5\u5907\u6b66\u5668\u7684\u65b9\u6cd5\u3002\n\u6309\u7167\u5e38\u89c4\u601d\u8def\uff0c\u201c\u73a9\u5bb6\u201d\u5b9e\u4f53\u9700\u8981\u6ce8\u5165\u4e00\u4e2aEquipmentService\uff0c\u7136\u800c\u5b9e\u4f53\u53ea\u80fd\u4fdd\u7559\u81ea\u5df1\u7684\u72b6\u6001\uff0c\n\u9664\u6b64\u4e4b\u5916\u7684\u5176\u4ed6\u5bf9\u8c61\u5b9e\u4f53\u65e0\u6cd5\u4fdd\u8bc1\u5176\u5b8c\u6574\u6027\uff0c\u56e0\u6b64\u6211\u4eec\u4e0d\u901a\u8fc7\u6ce8\u5165\u7684\u65b9\u5f0f\u4f7f\u7528EquipmentService\uff1b\n\u800c\u662f\u901a\u8fc7\u65b9\u6cd5\u53c2\u6570\u5f15\u5165\u7684\u65b9\u5f0f\u6765\u4f7f\u7528\u3002\u5373\u201c\u73a9\u5bb6\u201d\u5b9e\u4f53\u7684&quot;equip()&quot;\u65b9\u6cd5\u5b9a\u4e49\u4e3a\uff1a\npublic void equip(Weapon weapon, EquipmentService equipmentService) {\n    if(equipmentService.canEquip(this, weapon)) {\n            this.weaponId = weapon.getId();\n    }\n}\n\u8fd9\u79cd\u65b9\u5f0f\u5c31\u79f0\u4e3aDouble Dispatch\u65b9\u5f0f\u3002\nDouble Dispatch\u662f\u4e00\u4e2a\u4f7f\u7528Domain Service\u7ecf\u5e38\u4f1a\u7528\u5230\u7684\u65b9\u6cd5\uff0c\u7c7b\u4f3c\u4e8e\u8c03\u7528\u53cd\u8f6c\u3002\n<\/code><\/pre>\n<h4>4.2.2 \u8de8\u5bf9\u8c61\u4e8b\u52a1\u578b<\/h4>\n<p>\u5f53\u4e00\u4e2a\u884c\u4e3a\u4f1a\u76f4\u63a5\u4fee\u6539\u591a\u4e2a\u5b9e\u4f53\u65f6\uff0c\u4e0d\u80fd\u518d\u901a\u8fc7\u5355\u4e00\u5b9e\u4f53\u7684\u65b9\u6cd5\u4f5c\u5904\u7406\uff0c\u800c\u5fc5\u987b\u76f4\u63a5\u4f7f\u7528\u9886\u57df\u670d\u52a1\u7684\u65b9\u6cd5\u6765\u505a\u64cd\u4f5c\u3002\u5728\u8fd9\u91cc\uff0c\u9886\u57df\u670d\u52a1\u66f4\u591a\u7684\u8d77\u5230\u4e86\u8de8\u5bf9\u8c61\u4e8b\u52a1\u7684\u4f5c\u7528\uff0c\u786e\u4fdd\u591a\u4e2a\u5b9e\u4f53\u7684\u53d8\u66f4\u4e4b\u95f4\u662f\u6709\u4e00\u81f4\u6027\u7684\u3002<\/p>\n<h4>4.2.3 \u901a\u7528\u7ec4\u4ef6\u578b<\/h4>\n<p>\u8fd9\u79cd\u7c7b\u578b\u7684\u9886\u57df\u670d\u52a1\u63d0\u4f9b\u4e86\u7ec4\u4ef6\u5316\u7684\u884c\u4e3a\uff0c\u4f46\u672c\u8eab\u53c8\u4e0d\u76f4\u63a5\u7ed1\u6b7b\u5728\u4e00\u79cd\u5b9e\u4f53\u7c7b\u4e0a\u3002\u4ed6\u7684\u597d\u5904\u662f\u53ef\u4ee5\u901a\u8fc7\u7ec4\u4ef6\u5316\u670d\u52a1\u964d\u4f4e\u4ee3\u7801\u7684\u91cd\u590d\u6027\u3002<\/p>\n<blockquote><p>\u63a5\u53e3\u7ec4\u4ef6\u5316\u6765\u5b9e\u73b0\u901a\u7528\u9886\u57df\u670d\u52a1<\/p><\/blockquote>\n<pre><code>exp\uff1a\u5728\u6e38\u620f\u7cfb\u7edf\u4e2d\uff0c\u539f\u4ef7\u3001NPC\u3001\u602a\u7269\u90fd\u662f\u53ef\u79fb\u52a8\u7684\u3002\u56e0\u6b64\u53ef\u4ee5\u8bbe\u8ba1\u4e00\u4e2aMovable\u63a5\u53e3\uff0c\n\u8ba9\u73a9\u5bb6\u3001NPC\u3001\u602a\u7269\u5b9e\u4f53\u5b9e\u73b0Movable\u63a5\u53e3\u3002\u7136\u540e\u518d\u5b9e\u73b0\u4e00\u4e2aMoveService\uff0c\u4ece\u800c\u5b9e\u73b0\u4e00\u4e2a\u79fb\u52a8\u901a\u7528\u670d\u52a1\u3002\n<\/code><\/pre>\n<h3>4.3 \u7b56\u7565\u5bf9\u8c61\uff08Domain Policy\uff09<\/h3>\n<p>Policy\u6216\u8005Strategy\u8bbe\u8ba1\u6a21\u5f0f\u662f\u4e00\u4e2a\u901a\u7528\u7684\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u4f46\u662f\u5728DDD\u67b6\u6784\u4e2d\u4f1a\u7ecf\u5e38\u51fa\u73b0\uff0c\u5176\u6838\u5fc3\u5c31\u662f\u5c01\u88c5\u9886\u57df\u89c4\u5219\u3002<\/p>\n<blockquote><p><strong>\u4e00\u4e2aPolicy\u662f\u4e00\u4e2a\u65e0\u72b6\u6001\u7684\u5355\u4f8b\u5bf9\u8c61\uff0c\u901a\u5e38\u9700\u8981\u81f3\u5c112\u4e2a\u65b9\u6cd5\uff1acanApply \u548c \u4e00\u4e2a\u4e1a\u52a1\u65b9\u6cd5\u3002<\/strong><\/p><\/blockquote>\n<pre><code>canApply\u65b9\u6cd5\u7528\u6765\u5224\u65ad\u4e00\u4e2aPolicy\u662f\u5426\u9002\u7528\u4e8e\u5f53\u524d\u7684\u4e0a\u4e0b\u6587\uff0c\u5982\u679c\u9002\u7528\u5219\u8c03\u7528\u65b9\u4f1a\u53bb\u89e6\u53d1\u4e1a\u52a1\u65b9\u6cd5\u3002\n\u901a\u5e38\uff0c\u4e3a\u4e86\u964d\u4f4e\u4e00\u4e2aPolicy\u7684\u53ef\u6d4b\u8bd5\u6027\u548c\u590d\u6742\u5ea6\uff0cPolicy\u4e0d\u5e94\u8be5\u76f4\u63a5\u64cd\u4f5c\u5bf9\u8c61\uff0c\u800c\u662f\u901a\u8fc7\u8fd4\u56de\u8ba1\u7b97\u540e\u7684\u503c\uff0c\n\u5728Domain Service\u91cc\u5bf9\u5bf9\u8c61\u8fdb\u884c\u64cd\u4f5c\u3002\n<\/code><\/pre>\n<h3>4.4 \u526f\u4f5c\u7528\u7684\u5904\u7406\u65b9\u6cd5 &#8211; \u9886\u57df\u4e8b\u4ef6<\/h3>\n<blockquote><p><strong>\u4ec0\u4e48\u662f\u526f\u4f5c\u7528\uff1f<\/strong><\/p><\/blockquote>\n<p>\u201c\u526f\u4f5c\u7528\u201d\u4e5f\u662f\u4e00\u79cd\u9886\u57df\u89c4\u5219\u3002\u4e00\u822c\u7684\u526f\u4f5c\u7528\u53d1\u751f\u5728\u6838\u5fc3\u9886\u57df\u6a21\u578b\u72b6\u6001\u53d8\u66f4\u540e\uff0c\u540c\u6b65\u6216\u8005\u5f02\u6b65\u5bf9\u53e6\u4e00\u4e2a\u5bf9\u8c61\u7684\u5f71\u54cd\u6216\u884c\u4e3a\u3002\u6bd4\u5982\uff1a\u5f53\u7528\u4e8e\u79ef\u5206\u8fbe\u5230100\u65f6\uff0c\u4f1a\u5458\u7b49\u7ea7\u53471\u7ea7\u3002<\/p>\n<p>\u5728DDD\u4e2d\uff0c\u89e3\u51b3\u201c\u526f\u4f5c\u7528\u201d\u7684\u624b\u6bb5\u662f\u9886\u57df\u4e8b\u4ef6\u3002\u901a\u8fc7EventBus\u4e8b\u4ef6\u603b\u7ebf\u53ef\u4ee5\u5b9e\u73b0\u9886\u57df\u4e8b\u4ef6\u7684\u4f20\u64ad\u3002<\/p>\n<blockquote><p><strong><em><em>\u76ee\u524d\u9886\u57df\u4e8b\u4ef6\u7684\u7f3a\u9677\u548c\u5c55\u671b<\/em><\/strong><\/em><\/p><\/blockquote>\n<p>\u7531\u4e8e\u5b9e\u4f53\u9700\u8981\u4fdd\u8bc1\u5b8c\u6574\u6027\uff0c\u56e0\u6b64\u4e0d\u80fd\u591f\u76f4\u63a5\u4f9d\u8d56EventBus\uff0c\u6240\u4ee5EventBus\u53ea\u80fd\u4fdd\u6301\u5168\u5c40singleton\u3002\u4f46\u662f\u5168\u5c40singleton\u5bf9\u8c61\u5f88\u96be\u88ab\u5355\u6d4b\uff0c\u8fd9\u5c31\u5bb9\u6613\u5bfc\u81f4Entity\u5bf9\u8c61\u5f88\u96be\u88ab\u5b8c\u6574\u5355\u6d4b\u8986\u76d6\u5168\u3002<\/p>\n<h2>\u4e94\u3001\u5199\u5728\u6700\u540e<\/h2>\n<p>\u901a\u8fc7\u5bf9\u4e8eDDD\u7684\u5b66\u4e60\u4e0e\u5b9e\u8df5\uff0c\u8d8a\u6765\u8d8a\u80fd\u591f\u4f53\u4f1a\u5230\u5b83\u4f5c\u4e3a\u4e00\u79cd\u8f6f\u4ef6\u8bbe\u8ba1\u601d\u60f3\u548c\u6307\u5bfc\uff0c\u5bf9\u4e8e\u5927\u578b\u590d\u6742\u8f6f\u4ef6\u7684\u5efa\u8bbe\u5341\u5206\u6709\u5e2e\u52a9\u3002\u5bf9\u4e8e\u5386\u53f2\u9057\u7559\u5c4e\u5c71\u5de5\u7a0b\u7684\u91cd\u6784\u4e5f\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5f88\u597d\u7684\u6307\u5bfc\u65b9\u5411\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000045496881\">https:\/\/segmentfault.com\/a\/1190000045496881<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u8005\uff1a\u4eac\u4e1c\u79d1\u6280 \u5b59\u9ece\u660e \u8f6f\u4ef6\u7cfb\u7edf\u662f\u901a\u8fc7\u8f6f\u4ef6\u5f00\u53d1\u6765\u89e3\u51b3\u67d0\u4e00\u4e2a\u4e1a\u52a1\u9886\u57df\u6216\u95ee\u9898\u5355\u5143\u800c\u4ea7\u751f\u7684\u4e00\u4e2a\u4ea4\u4ed8\u7269\u3002\u800c\u901a\u8fc7\u8f6f\u4ef6\u8bbe\u8ba1 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10020415","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020415","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10020415"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020415\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10020415"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10020415"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10020415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}