{"id":10006272,"date":"2022-08-22T14:02:12","date_gmt":"2022-08-22T06:02:12","guid":{"rendered":"https:\/\/ityet.com\/?p=10006272"},"modified":"2022-08-22T14:02:12","modified_gmt":"2022-08-22T06:02:12","slug":"%e5%af%b9%e4%ba%8e%e7%a8%8b%e5%ba%8f%e5%91%98%e6%9d%a5%e8%af%b4%ef%bc%8c%e6%80%8e%e6%a0%b7%e6%89%8d%e7%ae%97%e6%98%af%e5%9c%a8%e5%86%99%e6%9c%89%e6%8a%80%e6%9c%af%e5%90%ab%e9%87%8f","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006272","title":{"rendered":"\u5bf9\u4e8e\u7a0b\u5e8f\u5458\u6765\u8bf4\uff0c\u600e\u6837\u624d\u7b97\u662f\u5728\u5199\u6709\u201c\u6280\u672f\u542b\u91cf\u201d\u7684\u4ee3\u7801\uff1f"},"content":{"rendered":"<p>\u4f60\u597d\u5440\uff0c\u6211\u662f\u6b6a\u6b6a\u3002<\/p>\n<p>\u6211\u6700\u8fd1\u5176\u5b9e\u5728\u601d\u8003\u4e00\u4e2a\u95ee\u9898\uff1a<\/p>\n<blockquote><p>\u5bf9\u4e8e\u7a0b\u5e8f\u5458\u6765\u8bf4\uff0c\u600e\u6837\u624d\u7b97\u662f\u5728\u5199\u6709\u201c\u6280\u672f\u542b\u91cf\u201d\u7684\u4ee3\u7801\uff1f<\/p><\/blockquote>\n<p>\u4e3a\u4ec0\u4e48\u4f1a\u60f3\u8d77\u601d\u8003\u8fd9\u4e2a\u770b\u8d77\u6765\u5c31\u5f88\u5389\uff08\u88c5\uff09\u5bb3\uff08\u903c\uff09\u7684\u95ee\u9898\u5462\uff1f<\/p>\n<p>\u56e0\u4e3a\u8fd9\u5c31\u662f\u77e5\u4e4e\u4e0a\u7684\u4e00\u4e2a\u95ee\u9898\uff1a<\/p>\n<blockquote><p><a href=\"https:\/\/link.segmentfault.com\/?enc=K88rVcgZ%2BpO%2B2qzBOCRjtQ%3D%3D.T47dPAkY5RnrCadgO7FowqFgFT3j77aHtABWNzqSkCGU7ydjfjBVMdEBjYDKacVB\" rel=\"nofollow\">https:\/\/www.zhihu.com\/questio&#8230;<\/a><\/p><\/blockquote>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356103\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u7b2c\u4e00\u6b21\u770b\u5230\u8fd9\u4e2a\u95ee\u9898\u7684\u65f6\u5019\uff0c\u6211\u5f88\u5feb\u7684\u5c31\u5212\u8fc7\u53bb\u4e86\uff0c\u5b8c\u5168\u5c31\u6ca1\u6709\u5173\u6ce8\u8fd9\u4e2a\u95ee\u9898\u3002\u4f46\u662f\u5c31\u662f\u770b\u4e86\u90a3\u4e48\u4e00\u773c\uff0c\u8fd9\u4e2a\u95ee\u9898\u5c31\u5076\u5c14\u4e0d\u7ecf\u610f\u95f4\u5728\u8111\u6d77\u4e2d\u6d6e\u73b0\u51fa\u6765\u3002<\/p>\n<p>\u7136\u540e\u9694\u4e86\u4e00\u6bb5\u65f6\u95f4\uff0c\u4e2d\u5348\u5237\u77e5\u4e4e\u7684\u65f6\u5019\u8fd9\u4e2a\u95ee\u9898\u53c8\u5192\u51fa\u6765\u4e86\u3002<\/p>\n<p>\u597d\u5de7\u4e0d\u5de7\uff0c\u4e5f\u662f\u90a3\u5929\u4e2d\u5348\uff0c\u6211\u770b\u5230\u4e86\u8fd9\u6837\u7684\u4e00\u4e2a\u9762\u8bd5\u9898\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356104\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u770b\u5230\u8fd9\u4e2a\u9762\u8bd5\u9898\u7684\u7b2c\u4e00\u773c\uff0c\u6211\u5c31\u60f3\u8d77\u4e86 Dubbo \u670d\u52a1\u4e2d\u7684\u4e00\u4e2a\u9884\u70ed\u529f\u80fd\u3002<\/p>\n<p>\u5728\u7ed3\u5408\u77e5\u4e4e\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u5f53\u65f6\u5c31\u89c9\u5f97\uff1aDubbo \u670d\u52a1\u7684\u9884\u70ed\u6e90\u7801\u5728\u6211\u770b\u6765\u5c31\u662f\u4e00\u4e2a\u201c\u6709\u6280\u672f\u542b\u91cf\u201d\u7684\u4ee3\u7801\u5440\u3002<\/p>\n<p>\u8fd9\u4e00\u5757\u529f\u80fd\u7f16\u7801\u786e\u5b9e\u4e00\u70b9\u4e5f\u4e0d\u590d\u6742\uff0c\u4e3b\u8981\u662f\u80fd\u4f53\u73b0\u51fa\u7f16\u7801\u7684\u4eba\u5bf9\u4e8e JVM \u548c RPC \u65b9\u9762\u7684\u201c\u5185\u529f\u201d\uff0c\u80fd\u591f\u610f\u8bc6\u5230\uff0c\u7531\u4e8e JVM \u7684\u7f16\u8bd1\u7279\u70b9\uff0c\u518d\u52a0\u4e0a Dubbo \u5728\u67b6\u6784\u4e2d\u5145\u5f53\u7740 RPC \u6846\u67b6\u7684\u89d2\u8272\uff0c\u6240\u4ee5\u4e3a\u4e86\u670d\u52a1\u6700\u5927\u7a0b\u5ea6\u4e0a\u7684\u7a33\u5b9a\uff0c\u53ef\u4ee5\u5728\u7f16\u7801\u7684\u5c42\u9762\u505a\u4e00\u5b9a\u7684\u670d\u52a1\u9884\u70ed\u3002<\/p>\n<p>\u4f46\u662f\u5199\u5b8c\u76f8\u5173\u56de\u7b54\u4e4b\u540e\uff0c\u4ece\u8bc4\u8bba\u533a\u6765\u770b\uff0c\u57fa\u672c\u4e0a\u662f\u6e05\u4e00\u8272\u7684\u5410\u69fd\uff0c\u8bf4\u6211\u4e3e\u5f97\u8fd9\u4e2a\u4f8b\u5b50\u548c\u95ee\u9898\u76f8\u6096\u3002<\/p>\n<p>\u6bd4\u5982\u6211\u622a\u53d6\u70b9\u8d5e\u6700\u9ad8\u7684\u4e24\u4e2a\u8bc4\u8bba\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356105\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u770b\u5b8c\u8fd9\u4e9b\u5410\u69fd\u4e4b\u540e\uff0c\u6211\u89c9\u5f97\u8fd9\u4e9b\u5410\u69fd\u662f\u6709\u9053\u7406\u7684\uff0c\u6211\u7684\u4f8b\u5b50\u4e3e\u5f97\u786e\u5b9e\u4e0d\u597d\uff0c\u975e\u5e38\u7684\u7247\u9762\u3002<\/p>\n<p>\u4e3a\u4e86\u66f4\u597d\u7684\u5f15\u51fa\u8fd9\u4e2a\u8bdd\u9898\uff0c\u6211\u5148\u642c\u8fd0\u5e76\u6269\u5145\u4e00\u4e0b\u6211\u5f53\u65f6\u7684\u56de\u7b54\u5427\u3002<\/p>\n<p>\u987a\u4fbf\u4e5f\u7b97\u662f\u56de\u7b54\u4e00\u4e0b\u521a\u521a\u8bf4\u7684\u90a3\u4e2a\u9762\u8bd5\u9898\u3002<\/p>\n<h2>\u670d\u52a1\u9884\u70ed<\/h2>\n<p>\u4e0b\u9762\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u53ea\u6709\u4e24\u884c\uff0c\u4f46\u662f\u8fd9\u5c31\u662f Dubbo \u670d\u52a1\u9884\u70ed\u529f\u80fd\u7684\u6838\u5fc3\u4ee3\u7801\uff1a<\/p>\n<blockquote><p>org.apache.dubbo.rpc.cluster.loadbalance.AbstractLoadBalance#calculateWarmupWeight<\/p><\/blockquote>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356106\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u770b\u4e00\u4e0b\u8fd9\u4e2a\u65b9\u6cd5\u5728\u6846\u67b6\u91cc\u9762\u8c03\u7528\u7684\u5730\u65b9\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356107\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u5f53\u6211\u4eec\u4e0d\u6307\u5b9a\u53c2\u6570\u7684\u60c5\u51b5\u4e0b\uff0c\u5165\u53c2 warmup \u548c weight \u662f\u6709\u9ed8\u8ba4\u503c\u7684\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356108\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u4e5f\u5c31\u662f\u5728\u7528\u9ed8\u8ba4\u53c2\u6570\u7684\u60c5\u51b5\u4e0b\uff0c\u4e0a\u9762\u7684\u65b9\u6cd5\u53ef\u4ee5\u7b80\u5316\u4e3a\u8fd9\u6837\uff1a<\/p>\n<pre><code>static int calculateWarmupWeight(int uptime) {\n    \/\/int ww = (int) ( uptime \/ ((float) 10 * 60 * 1000 \/ 100));\n    int ww = (int) ( uptime \/ 6000 );\n    return ww &lt; 1 ? 1 : (Math.min(ww, 100));\n}<\/code><\/pre>\n<p>\u5b83\u7684\u5165\u53c2 uptime \u4ee3\u8868\u670d\u52a1\u542f\u52a8\u65f6\u95f4\uff0c\u5355\u4f4d\u662f\u6beb\u79d2\u3002\u8fd4\u56de\u53c2\u6570\u4ee3\u8868\u5f53\u524d\u670d\u52a1\u7684\u6743\u91cd\u3002<\/p>\n<p>\u57fa\u4e8e\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u6211\u5148\u7ed9\u4f60\u641e\u4e2a\u56fe\u3002<\/p>\n<p>\u4e0b\u9762\u8fd9\u4e2a\u56fe\uff0cx \u8f74\u662f\u542f\u52a8\u65f6\u95f4\uff0c\u5355\u4f4d\u662f\u79d2\uff0cy \u8f74\u662f\u5bf9\u5e94\u7684\u6743\u91cd\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356109\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u4ece\u56fe\u4e0a\u53ef\u4ee5\u770b\u51fa\uff0c\u4ece\u670d\u52a1\u542f\u52a8\u5f00\u59cb\uff0c\u6bcf\u9694 6 \u79d2\u6743\u91cd\u5c31\u4f1a\u52a0\u4e00\uff0c\u76f4\u5230 600 \u79d2\uff0c\u5373 10 \u5206\u949f\u4e4b\u540e\uff0c\u6743\u91cd\u53d8\u4e3a 100\u3002<\/p>\n<p>\u6bd4\u5982\u5f53 uptime \u4e3a 60 \u79d2\u65f6\uff0c\u8be5\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u4e3a 10\u3002<\/p>\n<p>\u5f53 uptime \u4e3a 66 \u79d2\u65f6\uff0c\u8be5\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u4e3a 11\u3002<\/p>\n<p>\u5f53 uptime \u4e3a 120 \u79d2\u65f6\uff0c\u8be5\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u4e3a 20\u3002<\/p>\n<p>\u4ee5\u6b64\u7c7b\u63a8&#8230;<\/p>\n<p>600 \u79d2\uff0c\u4e5f\u5c31\u662f\u5341\u5206\u949f\u4ee5\u53ca\u8d85\u8fc7\u5341\u5206\u949f\u4e4b\u540e\uff0c\u6743\u91cd\u5747\u4e3a 100\uff0c\u4ee3\u8868\u9884\u70ed\u5b8c\u6210\u3002<\/p>\n<p>\u90a3\u4e48\u8fd9\u4e2a\u6743\u91cd\u662f\u5e72\u5565\u7528\u7684\u5462\uff1f<\/p>\n<p>\u8fd9\u4e2a\u5c31\u5f97\u7ed3\u5408\u7740\u8d1f\u8f7d\u5747\u8861\u6765\u8bf4\u4e86\u3002<\/p>\n<p>Dubbo \u63d0\u4f9b\u4e86\u5982\u4e0b\u7684\u4e94\u79cd\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\uff1a<\/p>\n<ul>\n<li>Random LoadBalance :\u300c\u52a0\u6743\u968f\u673a\u300d\u7b56\u7565<\/li>\n<li>RoundRobin LoadBalance\uff1a\u300c\u52a0\u6743\u8f6e\u8be2\u300d\u7b56\u7565<\/li>\n<li>LeastActive LoadBalance\uff1a\u300c\u6700\u5c11\u6d3b\u8dc3\u8c03\u7528\u6570\u300d\u7b56\u7565<\/li>\n<li>ShortestResponse LoadBalance\uff1a\u300c\u6700\u77ed\u54cd\u5e94\u65f6\u95f4\u300d\u7b56\u7565<\/li>\n<li>ConsistentHash LoadBalance\uff1a\u300c\u4e00\u81f4\u6027 Hash\u300d \u7b56\u7565<\/li>\n<\/ul>\n<p>\u9664\u4e86\u4e00\u81f4\u6027\u54c8\u5e0c\u7b56\u7565\u5916\uff0c\u5176\u4ed6\u7684\u56db\u4e2a\u7b56\u7565\u90fd\u5f97\u7528\u5230\u6743\u91cd\u8fd9\u4e2a\u53c2\u6570\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356110\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6743\u91cd\uff0c\u5c31\u662f\u7528\u6765\u51b3\u5b9a\u8fd9\u6b21\u8bf7\u6c42\u53d1\u9001\u7ed9\u54ea\u4e2a\u670d\u52a1\u7684\u4e00\u4e2a\u5173\u952e\u56e0\u7d20\u3002<\/p>\n<p>\u6211\u7ed9\u4f60\u753b\u4e2a\u793a\u610f\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356111\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>A\u3001B\u3001C \u4e09\u53f0\u670d\u52a1\uff0cA\uff0cB \u7684\u6743\u91cd\u90fd\u662f 100\uff0cC \u670d\u52a1\u521a\u521a\u542f\u52a8\u3002<\/p>\n<p>\u4f5c\u4e3a\u4e00\u4e2a\u521a\u521a\u542f\u52a8\u7684\u670d\u52a1\uff0c\u662f\u4e0d\u9002\u5408\u63a5\u53d7\u7a81\u53d1\u6d41\u91cf\u7684\uff0c\u4ee5\u4e3a\u8fd0\u884c\u5728\u670d\u52a1\u5668\u4e0a\u7684\u4ee3\u7801\u8fd8\u6ca1\u6709\u7ecf\u8fc7\u5145\u5206\u7684\u7f16\u8bd1\uff0c\u4e3b\u94fe\u63a5\u4e0a\u7684\u4ee3\u7801\u53ef\u80fd\u8fd8\u6ca1\u6709\u8fdb\u5165\u7f16\u8bd1\u5668\u7684 C2 \u9636\u6bb5\u3002<\/p>\n<p>\u6240\u4ee5\u6309\u7406\u6765\u8bf4 C \u670d\u52a1\u9700\u8981\u4e00\u4e2a\u670d\u52a1\u9884\u70ed\u7684\u8fc7\u7a0b\uff0c\u4e5f\u5c31\u662f\u521a\u521a\u542f\u52a8\u7684\u524d 10 \u5206\u949f\uff0c\u5e94\u8be5\u6709\u9010\u6b65\u63a5\u53d7\u8d8a\u6765\u8d8a\u591a\u7684\u8bf7\u6c42\u8fd9\u6837\u7684\u4e00\u4e2a\u8fc7\u7a0b\u3002<\/p>\n<p>\u6bd4\u5982\u6700\u7b80\u5355\u7684\u52a0\u6743\u968f\u673a\u8f6e\u8be2\u7684\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u4e2d\uff0c\u5173\u952e\u4ee3\u7801\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<blockquote><p>org.apache.dubbo.rpc.cluster.loadbalance.RandomLoadBalance#doSelect<\/p><\/blockquote>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356112\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u770b\u4e0d\u660e\u767d\u6ca1\u5173\u7cfb\uff0c\u6211\u518d\u7ed9\u4f60\u753b\u4e2a\u56fe\u3002<\/p>\n<p>\u5728 C \u670d\u52a1\u542f\u52a8\u7684\u7b2c 1 \u5206\u949f\uff0c\u5b83\u7684\u6743\u91cd\u662f 10\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356113\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6240\u4ee5\u4ee3\u7801\u4e2d\u7684 totalWeight=210\uff0c\u56e0\u6b64\u4e0b\u9762\u8fd9\u884c\u4ee3\u7801\u5c31\u662f\u968f\u673a\u751f\u6210 210 \u4e4b\u5185\u7684\u4e00\u4e2a\u6570\u5b57\uff1a<\/p>\n<blockquote><p>int offset = ThreadLocalRandom.current().nextInt(totalWeight);<\/p><\/blockquote>\n<p>\u5728\u793a\u610f\u56fe\u4e2d\u6709\u4e09\u4e2a\u670d\u52a1\u5668\uff0c\u6240\u4ee5 for \u5faa\u73af\u4e2d\u7684 lenght=3\u3002<\/p>\n<p>weights[] \u8fd9\u4e2a\u6570\u7ec4\u662f\u4e2a\u5565\u73a9\u610f\u5462\uff1f<\/p>\n<p>\u770b\u4e00\u773c\u4ee3\u7801\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356114\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6bcf\u6b21\u5faa\u73af\u7684\u65f6\u5019\u628a\u6bcf\u4e2a\u670d\u52a1\u5668\u7684\u6743\u91cd\u6c47\u603b\u8d77\u6765\uff0c\u653e\u5230 weights[] \u91cc\u9762\u3002<\/p>\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\u4e5f\u5c31\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<ul>\n<li>weights[0]= 100\uff08A\u670d\u52a1\u5668\u7684\u6743\u91cd\uff09<\/li>\n<li>weights[1]= 100\uff08A\u670d\u52a1\u5668\u7684\u6743\u91cd\uff09+100\uff08B\u670d\u52a1\u5668\u7684\u6743\u91cd\uff09=200<\/li>\n<li>weights[2]= 100\uff08A\u670d\u52a1\u5668\u7684\u6743\u91cd\uff09+100\uff08B\u670d\u52a1\u5668\u7684\u6743\u91cd\uff09+10\uff08C\u670d\u52a1\u5668\u7684\u6743\u91cd\uff09=210<\/li>\n<\/ul>\n<p>\u5f53\u968f\u673a\u6570 offset \u5728 0-100 \u4e4b\u95f4\uff0cA \u670d\u52a1\u5668\u5904\u7406\u672c\u6b21\u8bf7\u6c42\u3002\u5728 100-200 \u4e4b\u95f4 B \u670d\u52a1\u5668\u5904\u7406\u672c\u6b21\u8bf7\u6c42\u3002\u5728 200-210 \u4e4b\u95f4 C \u670d\u52a1\u5668\u5904\u7406\u672c\u6b21\u8bf7\u6c42\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356115\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u4e5f\u5c31\u662f\u8bf4\uff1aC \u670d\u52a1\u5668\u6709\u4e00\u5b9a\u7684\u6982\u7387\u88ab\u9009\u4e0a\uff0c\u6765\u5904\u7406\u8fd9\u4e00\u6b21\u8bf7\u6c42\uff0c\u4f46\u662f\u6982\u7387\u4e0d\u5927\u3002<\/p>\n<p>\u600e\u4e48\u6982\u7387\u624d\u80fd\u5927\u5462\uff1f<\/p>\n<p>\u6743\u91cd\u8981\u5927\u3002<\/p>\n<p>\u6743\u91cd\u600e\u4e48\u624d\u5927\u5462\uff1f<\/p>\n<p>\u542f\u52a8\u65f6\u95f4\u957f\u4e86\uff0c\u6743\u91cd\u4e5f\u968f\u4e4b\u589e\u5927\u4e86\u3002<\/p>\n<p>\u6bd4\u5982\u670d\u52a1\u542f\u52a8 8 \u5206\u949f\u4e4b\u540e\uff0c\u5c31\u53d8\u6210\u8fd9\u6837\u4e86\uff0cC \u670d\u52a1\u5668\u88ab\u9009\u4e2d\u7684\u6982\u7387\u5c31\u5927\u4e86\u5f88\u591a\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356116\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6700\u540e\u5230 10 \u5206\u949f\u4e4b\u540e\uff0c\u4e09\u53f0\u670d\u52a1\u5668\u7684\u6743\u91cd\u4e00\u81f4\uff0c\u627f\u62c5\u7684\u6d41\u91cf\u4e5f\u5c31\u51e0\u4e4e\u4e00\u81f4\u4e86\u3002<\/p>\n<p>C \u670d\u52a1\u5668\u627f\u62c5\u7684\u8bf7\u6c42\u968f\u7740\u670d\u52a1\u542f\u52a8\u65f6\u95f4\u8d8a\u6765\u8d8a\u591a\uff0c\u76f4\u5230 10 \u5206\u949f\u540e\u5230\u8fbe\u4e00\u4e2a\u5cf0\u503c\uff0c\u8fd9\u5c31\u7b97\u662f\u7ecf\u5386\u4e86\u4e00\u4e2a\u9884\u70ed\u7684\u8fc7\u7a0b\u3002<\/p>\n<p>\u524d\u9762\u4ecb\u7ecd\u7684\u5c31\u662f\u4e00\u4e2a\u9884\u70ed\u7684\u624b\u6bb5\uff0c\u800c\u7c7b\u4f3c\u4e8e\u8fd9\u6837\u7684\u9884\u70ed\u601d\u60f3\u4f60\u5728\u5176\u4ed6\u7684\u4e00\u4e9b\u7f51\u5173\u7c7b\u7684\u5f00\u6e90\u9879\u76ee\u4e2d\u4e5f\u80fd\u627e\u5230\u7c7b\u4f3c\u7684\u6e90\u7801\u3002<\/p>\n<p>\u4f46\u662f\u9884\u70ed\u4e0d\u53ea\u662f\u6709\u8fd9\u6837\u7684\u4e00\u4e2a\u5b9e\u73b0\u65b9\u5f0f\u3002<\/p>\n<p>\u6bd4\u5982\u963f\u91cc\u57fa\u4e8e OpenJDK \u641e\u4e86\u4e00\u4e2a Alibaba Dragonwell\uff0c\u5176\u5b9e\u4e5f\u5c31\u662f\u4e00\u4e2a JDK\u3002<\/p>\n<blockquote><p><a href=\"https:\/\/link.segmentfault.com\/?enc=8nBG5NdkOzyD0X%2BAGySsBA%3D%3D.n2gAB3xXZ3j68dznOj%2FhXR8RxZzL9t0Hr2J0s46OtlZYjqMXUlZL2seE1b8tVJUp\" rel=\"nofollow\">https:\/\/github.com\/alibaba\/dr&#8230;<\/a><\/p><\/blockquote>\n<p>\u5176\u4e2d\u4e4b\u4e00\u7684\u7279\u6027\u5c31\u662f\u9884\u70ed\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356117\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u9664\u4e86\u9884\u70ed\u8fd9\u4e2a\u70b9\u4e4b\u5916\uff0c\u6211\u8fd8\u5728\u77e5\u4e4e\u7684\u56de\u7b54\u4e2d\u63d0\u5230\u4e86\u6700\u5c11\u6d3b\u8dc3\u6570\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u7684\u5b9e\u73b0 LeastActiveLoadBalance.java\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356118\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u4ece\u521d\u59cb\u5316\u63d0\u4ea4\u4e4b\u540e\uff0c\u4e00\u5171\u5c31\u6ca1\u4fee\u6539\u8fc7\u51e0\u6b21\u3002<\/p>\n<p>\u4f60\u4e5f\u53ef\u4ee5\u5bf9\u6bd4\u4e00\u4e0b\uff0c\u521d\u59cb\u7248\u672c\u548c\u5f53\u524d\u6700\u65b0\u7684\u7248\u672c\uff0c\u6838\u5fc3\u7b97\u6cd5\u3001\u6838\u5fc3\u903b\u8f91\u57fa\u672c\u6ca1\u6709\u53d1\u751f\u53d8\u5316\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356119\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u9664\u4e86\u8fd9\u4e2a\u7b56\u7565\u4e4b\u5916\uff0c\u5176\u4ed6\u7684\u51e0\u4e2a\u7b56\u7565\u4e5f\u662f\u5dee\u4e0d\u591a\u7c7b\u4f3c\u7684\u201c\u7a33\u5b9a\u201d\u3002<\/p>\n<h2>\u4ece\u8bc4\u8bba\u8bf4\u8d77<\/h2>\n<p>\u6211\u5728\u77e5\u4e4e\u56de\u7b54\u8fd9\u4e2a\u95ee\u9898\u7684\u65f6\u5019\uff0c\u6ca1\u6709\u4e0a\u9762\u8fd9\u4e00\u5c0f\u8282\u5199\u7684\u90a3\u4e48\u591a\uff0c\u4f46\u662f\u6838\u5fc3\u5185\u5bb9\u5927\u6982\u5c31\u662f\u4e0a\u9762\u8fd9\u4e9b\u3002<\/p>\n<p>\u5728\u56de\u7b54\u8bf4\u63d0\u5230\u9884\u70ed\uff0c\u6211\u662f\u60f3\u8868\u8fbe\u770b\u4f3c\u4e0d\u8d77\u773c\u7684\u4e24\u884c\u4ee3\u7801\uff0c\u80cc\u540e\u8fd8\u662f\u8574\u542b\u4e86\u975e\u5e38\u591a\u7684\u6df1\u5c42\u6b21\u7684\u539f\u56e0\uff0c\u6211\u89c9\u5f97\u8fd9\u662f\u6709\u201c\u6280\u672f\u542b\u91cf\u201d\u7684\u3002<\/p>\n<p>\u800c\u63d0\u5230\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u7684\u5b9e\u73b0\uff0c\u591a\u5e74\u6765\u90fd\u6ca1\u6709\u600e\u4e48\u53d8\u5316\uff0c\u6211\u662f\u60f3\u8868\u8fbe\u8fd9\u4e9b\u91cd\u8981\u7684\u3001\u5e95\u5c42\u7684\u3001\u57fa\u7840\u7684\u4ee3\u7801\uff0c\u5199\u597d\u4e4b\u540e\uff0c\u957f\u5e74\u6ca1\u52a8\uff0c\u8bf4\u660e\u6700\u5f00\u59cb\u5199\u51fa\u6765\u7684\u4ee3\u7801\u662f\u975e\u5e38\u7a33\u5b9a\u7684\u3002\u80fd\u5199\u51fa\u8fd9\u6837\u7a33\u5b9a\u7684\u4ee3\u7801\uff0c\u6211\u89c9\u5f97\u8fd9\u4e5f\u662f\u6709\u201c\u6280\u672f\u542b\u91cf\u201d\u7684\u3002<\/p>\n<p>\u63a5\u7740\u5e26\u4f60\u770b\u770b\u8bc4\u8bba\u533a\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356120\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u8bc4\u8bba\u51e0\u4e4e\u662f\u6e05\u4e00\u8272\u7684\u4e0d\u8ba4\u53ef\u8fd9\u4e2a\u56de\u7b54\u3002\u4f46\u662f\u6211\u524d\u9762\u8bf4\u4e86\uff0c\u5728\u56de\u7b54\u8fd9\u4e2a\u95ee\u9898\u7684\u65f6\u5019\uff0c\u786e\u5b9e\u89c9\u5f97\u6211\u7684\u56de\u7b54\u662f\u6bd4\u8f83\u8d34\u8fd1\u4e3b\u9898\u7684\u3002<\/p>\n<p>\u4f46\u662f\u770b\u4e86\u8bc4\u8bba\u4e4b\u540e\u6211\u60f3\u660e\u767d\u4e86\uff0c\u4e3a\u4ec0\u4e48\u8fd9\u662f\u4e00\u4e2a\u4e0d\u597d\u7684\u7b54\u6848\uff0c\u6b63\u5982\u8bc4\u8bba\u533a\u8bf4\u7684\uff1a<\/p>\n<blockquote><p>\u4f8b\u5b50\u4e3e\u5f97\u4e0d\u884c\uff0c\u53ea\u4e0d\u8fc7\u662f\u56e0\u4e3a\u8981\u89e3\u51b3\u7684\u95ee\u9898\u4e00\u76f4\u6ca1\u6709\u53d1\u751f\u6539\u53d8\uff0c\u6240\u4ee5\u89e3\u51b3\u65b9\u6848\u4e5f\u5c31\u76f8\u5bf9\u7a33\u5b9a\u3002<\/p><\/blockquote>\n<p>\u9996\u5148\u8fd9\u6837\u7684\u4ee3\u7801\u672c\u6765\u5c31\u548c\u7edd\u5927\u90e8\u5206\u7a0b\u5e8f\u5458\u5b9e\u9645\u5de5\u4f5c\u4e2d\u5199\u7684\u4ee3\u7801\u5dee\u8ddd\u8fc7\u5927\uff0c\u6846\u67b6\u7684\u6e90\u7801\u503c\u5f97\u5b66\u4e60\uff0c\u4f46\u662f\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u7684\u501f\u9274\u610f\u4e49\u4e0d\u5927\u3002<\/p>\n<p>\u800c\u4e14\u8bc4\u8bba\u533a\u4e5f\u63d0\u5230\u4e86\uff0c\u7edd\u5927\u591a\u6570\u7a0b\u5e8f\u5458\u6839\u672c\u5c31\u6ca1\u6709\u673a\u4f1a\u53bb\u5199\u8fd9\u6837\u7684\u6bd4\u8f83\u8003\u9a8c\u201c\u6280\u672f\u80fd\u529b\u201d\u7684\u4ee3\u7801\u3002<\/p>\n<p>\u8fd9\u4e5f\u786e\u5b9e\u662f\u4e8b\u5b9e\uff0c\u5c11\u90e8\u5206\u4e2d\u95f4\u4ef6\u7684\u5f00\u53d1\u548c\u7edd\u5927\u90e8\u5206\u4e1a\u52a1\u903b\u8f91\u7684\u5f00\u53d1\uff0c\u662f\u4e24\u4e2a\u601d\u7ef4\u6a21\u5f0f\u5b8c\u5168\u4e0d\u4e00\u6837\u7684\u7a0b\u5e8f\u5458\u7fa4\u4f53\u3002<\/p>\n<p>\u7136\u540e\u6211\u770b\u4e86\u4e00\u4e0b\u8fd9\u4e2a\u8bdd\u9898\u4e0b\u7684\u9ad8\u8d5e\u56de\u7b54\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356121\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u5176\u5b9e\u9ad8\u8d5e\u56de\u7b54\u5c31\u8fd9\u4e00\u53e5\u8bdd\uff1a<\/p>\n<blockquote><p>\u4e00\u4e2a\u4f18\u79c0\u7684\u7a0b\u5e8f\u5458\uff0c\u5728\u63a5\u5230\u4e00\u4e2a\u8981\u7f16\u5199\u201c\u6bc1\u706d\u5730\u7403\u201d\u7684\u4efb\u52a1\u7684\u65f6\u5019\uff0c\u4ed6\u4e0d\u4f1a\u7b80\u5355\u7684\u5199\u4e00\u4e2adestroyEarth()\u7684\u65b9\u6cd5\uff1b\u800c\u662f\u4f1a\u5199\u4e00\u4e2adestroyPlanet()\u7684\u65b9\u6cd5\uff0c\u5c06earth\u4f5c\u4e3a\u4e00\u4e2a\u53c2\u6570\u4f20\u8fdb\u53bb\u3002<\/p><\/blockquote>\n<p>\u8fd9\u624d\u662f\u6bd4\u8f83\u8d34\u8fd1\u6211\u4eec\u5b9e\u9645\u5de5\u4f5c\u7684\u4e00\u4e2a\u4f8b\u5b50\u3002<\/p>\n<p>\u5c31\u7740\u8fd9\u4e2a\u4f8b\u5b50\uff0c\u6211\u6362\u4e2a\u5e38\u89c4\u4e00\u70b9\u7684\u9700\u6c42\u6765\u8bf4\uff0c\u6bd4\u5982\u8ba9\u4f60\u63a5\u5165\u4e00\u4e2a\u5fae\u4fe1\u652f\u4ed8\u7684\u9700\u6c42\uff1a<\/p>\n<p>\u4f60\u53ef\u80fd\u4f1a\u8fd9\u6837\u53bb\u5b9a\u4e49\u4e00\u4e2a\u7c7b\uff1a<\/p>\n<pre><code>public class WechatPayService {\n    \n    public void wechatPayment(){\n        \/\/\u5fae\u4fe1\u652f\u4ed8\u76f8\u5173\u903b\u8f91\n    }\n}<\/code><\/pre>\n<p>\u5f53\u8981\u4f7f\u7528\u7684\u65f6\u5019\uff0c\u5c31\u628a WechatPayService \u6ce8\u5165\u5230\u9700\u8981\u4f7f\u7528\u7684\u5730\u65b9\uff0c\u6ca1\u6709\u4efb\u4f55\u6bdb\u75c5\u3002<\/p>\n<p>\u4f46\u662f\u968f\u7740\u800c\u6765\u7684\u4e00\u4e2a\u9700\u6c42\u662f\u8ba9\u4f60\u63a5\u5165\u652f\u4ed8\u5b9d\u652f\u4ed8\u3002<\/p>\n<p>\u4f60\u5f53\u7136\u662f\u81ea\u7136\u800c\u7136\u7684\u641e\u4e86\u4e00\u4e2a\u7c7b\u4f3c\u7684\u7c7b\uff1a<\/p>\n<pre><code>public class AliPayService {\n    \n    public void aliPayment(){\n        \/\/\u652f\u4ed8\u5b9d\u652f\u4ed8\u76f8\u5173\u903b\u8f91\n    }\n}<\/code><\/pre>\n<p>\u4f46\u662f\u4f60\u5199\u7740\u5199\u7740\u53d1\u73b0\uff1a\u8bf6\uff0c\u600e\u4e48\u56de\u4e8b\uff0c\u611f\u89c9\u652f\u4ed8\u5b9d\u7684\u8fd9\u5957\u903b\u8f91\u548c\u5fae\u4fe1\u7684\u6709\u5f88\u591a\u76f8\u4f3c\u4e4b\u5904\u554a\uff0c\u5f00\u53d1\u7684\u5173\u952e\u6b65\u9aa4\u611f\u89c9\u90fd\u4e00\u6a21\u4e00\u6837\uff1f<\/p>\n<p>\u4e8e\u662f\u4f60\u5b9a\u4e49\u4e86\u4e00\u4e2a\u63a5\u53e3\uff0c\u4f7f\u7528\u7b56\u7565\u6a21\u5f0f\u6765\u4e13\u95e8\u5e72\u201c\u652f\u4ed8\u201d\u76f8\u5173\u9700\u6c42\uff1a<\/p>\n<pre><code>public interface IPayService {\n\n    \/**\n     * \u652f\u4ed8\u62bd\u8c61\u63a5\u53e3\n     *\/\n    public void pay();\n}<\/code><\/pre>\n<p>\u5728\u6211\u770b\u6765\uff0c\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u5e38\u89c4\u7684\u5f00\u53d1\u65b9\u6848\uff0c\u6211\u751a\u81f3\u5728\u62ff\u5230\u201c\u5fae\u4fe1\u652f\u4ed8\u201d\u8fd9\u4e2a\u9700\u6c42\u7684\u65f6\u5019\uff0c\u6211\u5c31\u8f7b\u8f66\u719f\u8def\u7684\u77e5\u9053\u5e94\u8be5\u4f7f\u7528\u7b56\u7565\u6a21\u5f0f\u6765\u505a\u8fd9\u4e2a\u9700\u6c42\uff0c\u4e3a\u4e86\u65b9\u4fbf\u4ee5\u540e\u7684\u5f00\u53d1\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u6211\u8fd9\u4e2a\u201c\u8f7b\u8f66\u719f\u8def\u201d\u4e5f\u662f\u6709\u4e00\u4e2a\u719f\u6089\u7684\u8fc7\u7a0b\u7684\uff0c\u6211\u4e5f\u4e0d\u662f\u4e00\u5f00\u59cb\uff0c\u4e00\u5165\u884c\uff0c\u4e00\u5de5\u4f5c\u5c31\u77e5\u9053\u5e94\u8be5\u8fd9\u6837\u53bb\u5199\u7684\u3002<\/p>\n<p>\u6211\u662f\u5728\u5de5\u4f5c\u4e4b\u540e\uff0c\u770b\u4e86\u5927\u91cf\u7684\u5b9e\u9645\u9879\u76ee\u91cc\u9762\u7684\u4ee3\u7801\uff0c\u770b\u5230\u9879\u76ee\u5728\u7528\uff0c\u89c9\u5f97\u8fd9\u6837\u5f88\u5b9e\u7528\uff0c\u9879\u76ee\u7ed3\u6784\u4e5f\u5f88\u6e05\u6670\uff0c\u624d\u5728\u5176\u5b83\u7684\u7c7b\u4f3c\u7684\u9700\u6c42\u4e2d\uff0c\u523b\u610f\u7684\u6a21\u4eff\u5b66\u4e60\u3001\u7406\u89e3\u3001\u8fd0\u7528\u3001\u6253\u78e8\uff0c\u6162\u6162\u7684\u878d\u5165\u5230\u4e86\u81ea\u5df1\u7684\u7f16\u7801\u4e60\u60ef\u4e2d\u53bb\uff0c\u7531\u4e8e\u592a\u8fc7\u719f\u6089\uff0c\u6211\u6e10\u6e10\u7684\u8ba4\u4e3a\u8fd9\u662f\u6ca1\u6709\u6280\u672f\u542b\u91cf\u7684\u4e1c\u897f\u3002<\/p>\n<p>\u76f4\u5230\u540e\u6765\uff0c\u6709\u4e00\u6b21\u6211\u5e26\u7740\u4e00\u4e2a\u5b9e\u4e60\u751f\u505a\u4e00\u4e2a\u9879\u76ee\uff0c\u9879\u76ee\u4e2d\u6709\u4e00\u4e2a\u6392\u884c\u699c\u7684\u529f\u80fd\uff0c\u6392\u884c\u699c\u9700\u8981\u652f\u6301\u5404\u4e2a\u7ef4\u5ea6\uff0c\u524d\u7aef\u8bf7\u6c42\u7684\u65f6\u5019\u4f1a\u544a\u8bc9\u6211\u5f53\u524d\u662f\u9700\u8981\u5c55\u793a\u54ea\u4e2a\u6392\u884c\u699c\u3002<\/p>\n<p>\u5728\u9700\u6c42\u5206\u6790\u3001\u7cfb\u7edf\u8bbe\u8ba1\u4ee5\u53ca\u4ee3\u7801\u843d\u5730\u9636\u6bb5\u6211\u90fd\u81ea\u7136\u800c\u7136\u7684\u60f3\u5230\u4e86\u524d\u9762\u8bf4\u5230\u7684\u7b56\u7565\u6a21\u5f0f\u3002<\/p>\n<p>\u540e\u6765\u5b9e\u4e60\u7684\u540c\u5b66\u770b\u5230\u4e86\u8fd9\u4e00\u6bb5\u903b\u8f91\uff0c\u7ed9\u6211\u8bf4\uff1a\u8fd9\u4e2a\u9700\u6c42\u7684\u5b9e\u73b0\u65b9\u5f0f\u771f\u597d\u3002\u5982\u679c\u8ba9\u6211\u6765\u5199\uff0c\u6211\u7edd\u5bf9\u60f3\u4e0d\u51fa\u8fd9\u6837\u7684\u843d\u5730\u65b9\u6848\u3002<\/p>\n<p>\u4f46\u662f\u6211\u89c9\u5f97\u8fd9\u5c31\u662f\u4e2a\u5e38\u89c4\u89e3\u51b3\u65b9\u6848\u800c\u5df2\u3002<\/p>\n<p>\u6211\u4e3e\u8fd9\u4e2a\u4f8b\u5b50\u662f\u60f3\u8868\u8fbe\u7684\u610f\u601d\u5c31\u662f\u5bf9\u4e8e\u201c\u6280\u672f\u542b\u91cf\u201d\u8fd9\u4e2a\u4e1c\u897f\uff0c\u6bcf\u4e2a\u4eba\uff0c\u6bcf\u4e2a\u9636\u6bb5\u7684\u7406\u89e3\u662f\u622a\u7136\u4e0d\u540c\u7684\u3002<\/p>\n<p>\u4e0e\u6211\u800c\u8a00\uff0c\u7ad9\u5728\u6211\u73b0\u5728\u6b63\u5728\u5199\u8fd9\u7bc7\u6587\u7ae0\u7684\u65f6\u95f4\u8282\u70b9\u4e0a\uff0c\u6211\u89c9\u5f97\u6709\u6280\u672f\u542b\u91cf\u7684\u4ee3\u7801\uff0c\u5c31\u662f\u522b\u4eba\u770b\u5230\u540e\u613f\u610f\u4f7f\u7528\uff0c\u613f\u610f\u6a21\u4eff\uff0c\u613f\u610f\u544a\u8bc9\u540e\u9762\u6765\u7684\u4eba\uff1a\u8fd9\u4e2a\u4e1c\u897f\u771f\u4e0d\u9519\uff0c\u4f60\u4e5f\u53ef\u4ee5\u7528\u4e00\u7528\u3002<\/p>\n<p>\u5b83\u53ef\u4ee5\u5c0f\u5230\u4e00\u4e2a\u9879\u76ee\u91cc\u9762\u7684\u53ea\u6709\u5be5\u5be5\u51e0\u884c\u7684\u65b9\u6cd5\u7c7b\uff0c\u4e5f\u53ef\u4ee5\u5927\u5230\u4e00\u5957\u884c\u4e1a\u5185\u95ee\u9898\u7684\u5b8c\u6574\u7684\u6280\u672f\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>\u9664\u4e86\u8fd9\u4e2a\u4f8b\u5b50\u5916\uff0c\u6211\u8fd8\u60f3\u4e3e\u6211\u521a\u521a\u53c2\u52a0\u5de5\u4f5c\u4e0d\u4e45\uff0c\u9047\u5230\u8fc7\u7684\u53e6\u5916\u4e00\u4e2a\u4f8b\u5b50\u3002<\/p>\n<p>\u9700\u6c42\u8bf4\u6765\u4e5f\u5f88\u7b80\u5355\uff0c\u5c31\u662f\u9488\u5bf9\u4e00\u4e2a\u8868\u7684\u589e\u5220\u6539\u67e5\u64cd\u4f5c\uff0c\u4e5f\u5c31\u662f\u6211\u4eec\u5e38\u5e38\u5410\u69fd\u7684\u6ca1\u6709\u6280\u672f\u542b\u91cf\u7684 crud\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u6211\u5f53\u65f6\u770b\u5230\u522b\u4eba\u63d0\u4ea4\u7684\u4ee3\u7801\u65f6\u6211\u90fd\u9707\u60ca\u4e86\u3002<\/p>\n<p>\u6bd4\u5982\u4e00\u4e2a\u65b0\u589e\u64cd\u4f5c\uff0c\u6240\u6709\u7684\u903b\u8f91\u90fd\u5728\u4e00\u4e2a controller \u91cc\u9762\uff0c\u6ca1\u6709\u6240\u8c13\u7684 service \u5c42\u3001dao \u5c42\uff0c\u4e00\u628a\u68ad\u76f4\u63a5\u628a mapper \u6ce8\u5165\u5230\u4e86 controller \u91cc\u9762\uff0c\u5728\u4e00\u4e2a\u65b9\u6cd5\u91cc\u9762\u4ece\u6570\u636e\u6821\u9a8c\u5230\u6570\u636e\u5e93\u4ea4\u4e92\u5168\u90e8\u5305\u5706\u4e86\u3002<\/p>\n<p>\u529f\u80fd\u80fd\u7528\u5417\uff1f<\/p>\n<p>\u80fd\u7528\u3002<\/p>\n<p>\u4f46\u662f\u8fd9\u6837\u4ee3\u7801\u662f\u6709\u201c\u6280\u672f\u542b\u91cf\u201d\u7684\u4ee3\u7801\u5417\uff1f<\/p>\n<p>\u6211\u89c9\u5f97\u53ef\u4ee5\u8bf4\u662f\u6beb\u65e0\u6280\u672f\u542b\u91cf\u4e86\uff0c\u7528\u73b0\u5728\u7684\u6d41\u884c\u8bed\u6765\u8bf4\uff0c\u6211\u751a\u81f3\u89c9\u5f97\u8fd9\u662f\u7a0b\u5e8f\u5458\u5728\u201c\u6446\u70c2\u201d\u3002<\/p>\n<p>\u6211\u8981\u57fa\u4e8e\u5bf9\u4e8e\u8fd9\u4e00\u6bb5\u4ee3\u7801\u7ee7\u7eed\u5f00\u53d1\u65b0\u529f\u80fd\uff0c\u6211\u80fd\u505a\u4ec0\u4e48\u5462\uff1f<\/p>\n<p>\u6211\u65e0\u80fd\u4e3a\u529b\uff0c\u539f\u6765\u7684\u4ee3\u7801\u5b9e\u5728\u4e0d\u60f3\u53bb\u52a8\u3002<\/p>\n<p>\u6211\u53ea\u80fd\u4fdd\u8bc1\u5728\u8fd9\u5806\u201c\u5c4e\u5c71\u201d\u4e0a\uff0c\u6211\u65b0\u5199\u51fa\u6765\u7684\u4ee3\u7801\u662f\u5e72\u51c0\u7684\u3001\u6e05\u6670\u7684\uff0c\u4e0d\u7ee7\u7eed\u5f80\u91cc\u9762\u6254\u5783\u573e\u3002<\/p>\n<p>\u540e\u6765\u6211\u8bfb\u4e86\u4e00\u672c\u4e66\uff0c\u53eb\u505a\u300a\u4ee3\u7801\u6574\u6d01\u4e4b\u9053\u300b\uff0c\u91cc\u9762\u6709\u4e00\u4e2a\u89c4\u5219\u53eb\u505a\u201c\u7ae5\u5b50\u519b\u519b\u89c4\u201d\u3002<\/p>\n<p>\u519b\u89c4\u4e2d\u6709\u4e00\u53e5\u8bdd\u662f\u8fd9\u6837\u7684\uff1a\u8ba9\u8425\u5730\u6bd4\u4f60\u6765\u65f6\u66f4\u5e72\u51c0\u3002<\/p>\n<p>\u7c7b\u6bd4\u5230\u4ee3\u7801\u4e0a\u5176\u5b9e\u5c31\u662f\u4e00\u4ef6\u5f88\u5c0f\u7684\u4e8b\u60c5\uff0c\u6bd4\u5982\u53ea\u662f\u6539\u597d\u4e00\u4e2a\u53d8\u91cf\u540d\u3001\u62c6\u5206\u4e00\u4e2a\u6709\u70b9\u8fc7\u957f\u7684\u51fd\u6570\u3001\u6d88\u9664\u4e00\u70b9\u70b9\u91cd\u590d\u4ee3\u7801\uff0c\u6e05\u7406\u4e00\u4e2a\u5d4c\u5957 if 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href=\"https:\/\/segmentfault.com\/q\/1010000042111980\">https:\/\/segmentfault.com\/q\/10&#8230;<\/a><\/p><\/blockquote>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356122\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u5927\u5bb6\u89c1\u4ec1\u89c1\u667a\uff0c\u4ece\u5404\u4e2a\u89d2\u5ea6\u7ed9\u51fa\u4e86\u4e0d\u540c\u7684\u56de\u7b54\u3002<\/p>\n<p>\u8fd9\u4e5f\u518d\u6b21\u5370\u8bc1\u4e86\u524d\u9762\u6211\u8bf4\u7684\u89c2\u70b9\uff1a<\/p>\n<blockquote><p>\u5bf9\u4e8e\u201c\u6280\u672f\u542b\u91cf\u201d\u8fd9\u4e2a\u4e1c\u897f\uff0c\u6bcf\u4e2a\u4eba\uff0c\u6bcf\u4e2a\u9636\u6bb5\u7684\u7406\u89e3\u662f\u622a\u7136\u4e0d\u540c\u7684\u3002<\/p><\/blockquote>\n<p>\u6211\u628a\u5927\u5bb6\u7ed9\u6211\u7684\u56de\u590d\u8d34\u8fc7\u6765\uff0c\u5e0c\u671b\u80fd\u5bf9\u4f60\u4e5f\u6709\u5e2e\u52a9\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356123\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356124\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356125\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u518d\u6bd4\u5982\u6211\u6700\u8fd1\u5728\u77e5\u4e4e\u4e0a\u770b\u5230\u4e86\u8fd9\u6837\u7684\u4e00\u4e2a\u89c6\u9891\uff1a<\/p>\n<blockquote><p><a href=\"https:\/\/link.segmentfault.com\/?enc=wZhJm5SXHmLfypv4Y%2Fnong%3D%3D.%2F2QBWPYmlN4Gy24S5RxbFXAQwgnXB5ruxmGI3QMJ9bzCcgh0rss5jwW8ZP2fdiMA3JQ5%2BaXB%2B9Y2a2ZTByBzoA%3D%3D\" rel=\"nofollow\">https:\/\/www.zhihu.com\/zvideo\/&#8230;<\/a><\/p><\/blockquote>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356126\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u91cc\u9762\u7684\u4e3b\u4eba\u516c\u9ec4\u7384\uff0c\u8bf4\u4e86\u8fd9\u6837\u7684\u4e00\u6bb5\u8bdd\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042356127\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u8fd9\u5df2\u7ecf\u662f\u53e6\u5916\u4e00\u4e2a\u7ef4\u5ea6\u7684\u7a0b\u5e8f\u5458\uff0c\u5bf9\u4e8e\u201c\u4ec0\u4e48\u662f\u6709\u6280\u672f\u542b\u91cf\u7684\u4ee3\u7801\u201d\u7684\u53e6\u5916\u4e00\u4e2a\u7ef4\u5ea6\u7684\u89e3\u7b54\u4e86\u3002<\/p>\n<p>\u6211\u8fdc\u8fdc\u8fbe\u4e0d\u5230\u8fd9\u4e2a\u9ad8\u5ea6\uff0c\u4f46\u662f\u6211\u559c\u6b22\u8fd9\u4e2a\u56de\u7b54\uff1a<\/p>\n<blockquote><p>\u4e0d\u65ad\u7684\u4f20\u627f\u4e0b\u53bb\uff0c\u6210\u4e3a\u4e0b\u4e00\u4ee3\u8f6f\u4ef6\uff0c\u6216\u8005\u8bf4\u4e0b\u4e00\u4ee3\u4eba\u7c7b\u6587\u660e\u7684\u57fa\u77f3\u3002\u6211\u89c9\u5f97\u80fd\u591f\u53bb\u53c2\u4e0e\u8fd9\u6837\u7684\u4e1c\u897f\uff0c\u5bf9\u6211\u6765\u8bf4\uff0c\u53ef\u80fd\u662f\u7a0b\u5e8f\u5458\u7684\u4e00\u79cd\u6d6a\u6f2b\u3002<\/p><\/blockquote>\n<p>\u6240\u4ee5\u4f60\u5462\uff0c\u5bf9\u4e8e\u8fd9\u4e2a\u95ee\u9898\uff0c\u4f60\u4f1a\u7ed9\u51fa\u4ec0\u4e48\u6837\u7684\u7b54\u6848\u5462\uff1f<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042356100\">https:\/\/segmentfault.com\/a\/1190000042356100<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f60\u597d\u5440\uff0c\u6211\u662f\u6b6a\u6b6a\u3002 \u6211\u6700\u8fd1\u5176\u5b9e\u5728\u601d\u8003\u4e00\u4e2a\u95ee\u9898\uff1a \u5bf9\u4e8e\u7a0b\u5e8f\u5458\u6765\u8bf4\uff0c\u600e\u6837\u624d\u7b97\u662f\u5728\u5199\u6709\u201c\u6280\u672f\u542b\u91cf\u201d\u7684\u4ee3\u7801\uff1f \u4e3a\u4ec0\u4e48\u4f1a [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-10006272","post","type-post","status-publish","format-standard","hentry"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006272","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"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006272"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006272\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006272"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006272"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006272"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}