{"id":78666,"date":"2026-02-27T22:32:55","date_gmt":"2026-02-27T14:32:55","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/78666.html"},"modified":"2026-02-27T22:32:55","modified_gmt":"2026-02-27T14:32:55","slug":"%e8%ae%a2%e5%8d%95%e7%b3%bb%e7%bb%9f%e9%87%8d%e6%9e%84%e5%8f%b2%e8%af%97%ef%bc%9a%e4%bb%8e%e5%8d%95%e4%bd%93%e5%b7%a8%e5%85%bd%e5%88%b0%e5%be%ae%e6%9c%8d%e5%8a%a1%e7%9f%a9%e9%98%b5%e7%9a%84%e6%bc%94","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/78666.html","title":{"rendered":"\u8ba2\u5355\u7cfb\u7edf\u91cd\u6784\u53f2\u8bd7\uff1a\u4ece\u5355\u4f53\u5de8\u517d\u5230\u5fae\u670d\u52a1\u77e9\u9635\u7684\u6f14\u8fdb\u3001\u6570\u636e\u4e00\u81f4\u6027\u5185\u6838\u4e0e\u5206\u5e03\u5f0f\u4e8b\u52a1"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>&#x1f3af;&#x1f525; \u8ba2\u5355\u7cfb\u7edf\u91cd\u6784\u53f2\u8bd7&#xff1a;\u4ece\u5355\u4f53\u5de8\u517d\u5230\u5fae\u670d\u52a1\u77e9\u9635\u7684\u6f14\u8fdb\u3001\u6570\u636e\u4e00\u81f4\u6027\u5185\u6838\u4e0e\u5206\u5e03\u5f0f\u4e8b\u52a1<\/li>\n<li>\n<ul>\n<li>\n<ul>\n<li>&#x1f4ca;&#x1f4cb; \u7b2c\u4e00\u7ae0&#xff1a;\u5f15\u8a00\u2014\u2014\u5355\u4f53\u5de8\u517d\u7684\u574d\u584c\u4e0e\u5fae\u670d\u52a1\u8fdb\u5316\u7684\u5fc5\u7136<\/li>\n<li>\n<ul>\n<li>&#x1f9ec;&#x1f9e9; 1.1 \u903b\u8f91\u71b5\u589e\u7684\u7269\u7406\u8868\u73b0<\/li>\n<li>&#x1f6e1;\ufe0f\u2696\ufe0f 1.2 \u5fae\u670d\u52a1\u7684\u6838\u5fc3\u5951\u7ea6&#xff1a;\u89e3\u8026\u4e0e\u81ea\u6cbb<\/li>\n<\/ul>\n<\/li>\n<li>&#x1f30d;&#x1f4c8; \u7b2c\u4e8c\u7ae0&#xff1a;\u7cbe\u5bc6\u5de5\u7a0b\u2014\u2014\u57fa\u4e8e\u9886\u57df\u9a71\u52a8&#xff08;DDD&#xff09;\u7684\u670d\u52a1\u8fb9\u754c\u8bbe\u8ba1<\/li>\n<li>\n<ul>\n<li>&#x1f9ec;&#x1f9e9; 2.1 \u5bfb\u627e\u201c\u9650\u754c\u4e0a\u4e0b\u6587&#xff08;Bounded Context&#xff09;\u201d<\/li>\n<li>&#x1f6e1;\ufe0f\u2696\ufe0f 2.2 \u7269\u7406\u62c6\u5206\u7684\u51c6\u5219&#xff1a;\u9ad8\u5185\u805a&#xff0c;\u4f4e\u8026\u5408<\/li>\n<\/ul>\n<\/li>\n<li>&#x1f504;&#x1f3af; \u7b2c\u4e09\u7ae0&#xff1a;\u901a\u8baf\u5185\u6838\u2014\u2014\u5fae\u670d\u52a1\u95f4\u7684\u7269\u7406\u8fde\u63a5\u4e0e RPC \u6cbb\u7406<\/li>\n<li>\n<ul>\n<li>&#x1f9ec;&#x1f9e9; 3.1 Feign \u4e0e gRPC \u7684\u6027\u80fd\u535a\u5f08<\/li>\n<li>&#x1f6e1;\ufe0f\u2696\ufe0f 3.2 \u670d\u52a1\u53d1\u73b0\u4e0e\u7269\u7406\u8d1f\u8f7d\u5747\u8861<\/li>\n<li>&#x1f4bb;&#x1f680; \u4ee3\u7801\u5b9e\u6218 1&#xff1a;\u9ad8\u6027\u80fd\u5fae\u670d\u52a1\u901a\u8baf\u57fa\u5ea7\u914d\u7f6e&#xff08;Spring Cloud &#043; Feign&#xff09;<\/li>\n<\/ul>\n<\/li>\n<li>&#x1f4ca;&#x1f4cb; \u7b2c\u56db\u7ae0&#xff1a;\u6570\u636e\u4e00\u81f4\u6027\u535a\u5f08\u2014\u2014\u4ece ACID \u5411 BASE \u7684\u903b\u8f91\u8fc1\u5f99<\/li>\n<li>\n<ul>\n<li>&#x1f9ec;&#x1f9e9; 4.1 CAP \u5b9a\u7406\u7684\u201c\u5e7d\u7075\u201d<\/li>\n<li>&#x1f6e1;\ufe0f\u2696\ufe0f 4.2 \u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u7269\u7406\u4ee3\u4ef7<\/li>\n<\/ul>\n<\/li>\n<li>&#x1f3d7;\ufe0f&#x1f4a1; \u7b2c\u4e94\u7ae0&#xff1a;\u5185\u6838\u62c6\u89e3\u2014\u2014Seata AT \u6a21\u5f0f\u7684\u7269\u7406\u8fd0\u884c\u8def\u5f84\u5206\u6790<\/li>\n<li>\n<ul>\n<li>&#x1f9ec;&#x1f9e9; 5.1 \u4ee3\u7406\u6570\u636e\u6e90\u7684\u201c\u89c6\u89c9\u52ab\u6301\u201d<\/li>\n<li>&#x1f6e1;\ufe0f\u2696\ufe0f 5.2 \u5168\u5c40\u9501&#xff08;Global Lock&#xff09;\u7684\u7269\u7406\u95ed\u73af<\/li>\n<li>&#x1f4bb;&#x1f680; \u4ee3\u7801\u5b9e\u6218&#xff1a;Seata \u5168\u5c40\u4e8b\u52a1\u5728\u8ba2\u5355\u4e0b\u5355\u6d41\u7a0b\u4e2d\u7684\u690d\u5165<\/li>\n<\/ul>\n<\/li>\n<li>&#x1f504;&#x1f3af; \u7b2c\u516d\u7ae0&#xff1a;\u903b\u8f91\u6307\u7eb9\u2014\u2014\u8ba2\u5355\u72b6\u6001\u673a\u7684\u7269\u7406\u5e42\u7b49\u4e0e\u201c\u9632\u91cd\u201d\u6df1\u5ea6\u8bbe\u8ba1<\/li>\n<li>\n<ul>\n<li>&#x1f9ec;&#x1f9e9; 6.1 \u72b6\u6001\u673a\u7684\u7269\u7406\u95ed\u73af<\/li>\n<li>&#x1f6e1;\ufe0f\u2696\ufe0f 6.2 \u5e42\u7b49\u51ed\u8bc1\u7684\u7269\u7406\u5b58\u50a8&#xff1a;\u9632\u91cd\u8868<\/li>\n<li>&#x1f4bb;&#x1f680; \u4ee3\u7801\u5b9e\u6218&#xff1a;\u57fa\u4e8e\u72b6\u6001\u673a\u4e0e\u552f\u4e00\u7ea6\u675f\u7684\u5e42\u7b49\u5904\u7406\u5668\u5b9e\u73b0<\/li>\n<\/ul>\n<\/li>\n<li>&#x1f30d;&#x1f4c8; \u7b2c\u4e03\u7ae0&#xff1a;\u97e7\u6027\u6f14\u8fdb\u2014\u2014\u57fa\u4e8e\u6d88\u606f\u9a71\u52a8\u7684\u6700\u7ec8\u4e00\u81f4\u6027\u4e0e\u5bf9\u8d26\u95ed\u73af<\/li>\n<li>\n<ul>\n<li>&#x1f9ec;&#x1f9e9; 7.1 \u672c\u5730\u6d88\u606f\u8868\u4e0e\u53ef\u9760\u6295\u9012<\/li>\n<li>&#x1f6e1;\ufe0f\u2696\ufe0f 7.2 \u5f02\u6b65\u5bf9\u8d26&#xff1a;\u7cfb\u7edf\u81ea\u6108\u7684\u7269\u7406\u4fdd\u969c<\/li>\n<li>&#x1f4bb;&#x1f680; \u4ee3\u7801\u5b9e\u6218&#xff1a;\u57fa\u4e8e RocketMQ \u4e8b\u52a1\u6d88\u606f\u7684\u6700\u7ec8\u4e00\u81f4\u6027\u5b9e\u73b0<\/li>\n<\/ul>\n<\/li>\n<li>&#x1f3ce;\ufe0f&#x1f4ca; \u7b2c\u516b\u7ae0&#xff1a;\u6027\u80fd\u538b\u69a8\u2014\u2014\u5927\u4fc3\u573a\u666f\u4e0b\u7684\u70ed\u70b9\u5e93\u5b58\u201c\u7269\u7406\u5206\u6bb5\u9501\u201d\u91cd\u6784<\/li>\n<li>\n<ul>\n<li>&#x1f9ec;&#x1f9e9; 8.1 \u9501\u7ade\u4e89\u7684\u7269\u7406\u672c\u8d28<\/li>\n<li>&#x1f6e1;\ufe0f\u2696\ufe0f 8.2 \u5206\u6bb5\u9501&#xff08;Partitioned Lock&#xff09;\u7684\u7cbe\u5bc6\u91cd\u6784<\/li>\n<\/ul>\n<\/li>\n<li>&#x1f4a3;&#x1f480; \u7b2c\u4e5d\u7ae0&#xff1a;\u907f\u5751\u6307\u5357\u2014\u2014\u6392\u67e5\u5fae\u670d\u52a1\u4e8b\u52a1\u91cd\u6784\u4e2d\u7684\u5341\u5927\u201c\u6b7b\u4ea1\u9677\u9631\u201d<\/li>\n<li>\n<ul>\n<li>&#x1f4bb;&#x1f680; \u4ee3\u7801\u5b9e\u6218&#xff1a;\u9ad8\u53ef\u7528\u81ea\u6108\u578b\u5206\u5e03\u5f0f\u91cd\u8bd5\u5de5\u5177\u7c7b<\/li>\n<\/ul>\n<\/li>\n<li>&#x1f6e1;\ufe0f\u2705 \u7b2c\u5341\u7ae0&#xff1a;\u603b\u7ed3\u4e0e\u5c55\u671b\u2014\u2014\u6784\u5efa\u5177\u5907\u201c\u6f14\u8fdb\u57fa\u56e0\u201d\u7684\u81ea\u6108\u578b\u67b6\u6784<\/li>\n<li>\n<ul>\n<li>&#x1f9ec;&#x1f9e9; 10.1 \u6838\u5fc3\u601d\u60f3\u6c89\u6dc0<\/li>\n<li>&#x1f6e1;\ufe0f\u2696\ufe0f 10.2 \u672a\u6765\u7684\u5730\u5e73\u7ebf&#xff1a;Serverless \u4e0e\u81ea\u6108\u67b6\u6784<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>&#x1f3af;&#x1f525; \u8ba2\u5355\u7cfb\u7edf\u91cd\u6784\u53f2\u8bd7&#xff1a;\u4ece\u5355\u4f53\u5de8\u517d\u5230\u5fae\u670d\u52a1\u77e9\u9635\u7684\u6f14\u8fdb\u3001\u6570\u636e\u4e00\u81f4\u6027\u5185\u6838\u4e0e\u5206\u5e03\u5f0f\u4e8b\u52a1<\/h2>\n<p>\u524d\u8a00&#xff1a;\u5728\u4e1a\u52a1\u7684\u6fc0\u589e\u4e2d\u91cd\u5851\u7cfb\u7edf\u7684\u201c\u5de5\u4e1a\u5e95\u5ea7\u201d<\/p>\n<p>\u5728\u4e92\u8054\u7f51\u5546\u4e1a\u7684\u6f14\u8fdb\u5386\u7a0b\u4e2d&#xff0c;\u8ba2\u5355\u7cfb\u7edf&#xff08;Order System&#xff09;\u59cb\u7ec8\u88ab\u89c6\u4e3a\u6574\u6761\u4e1a\u52a1\u94fe\u8def\u7684\u201c\u7075\u9b42\u4e2d\u67a2\u201d\u3002\u5b83\u4e0d\u4ec5\u627f\u8f7d\u7740\u4ea4\u6613\u7684\u7269\u7406\u72b6\u6001&#xff0c;\u66f4\u8fde\u63a5\u7740\u7528\u6237\u3001\u5e93\u5b58\u3001\u652f\u4ed8\u3001\u7269\u6d41\u4ee5\u53ca\u8425\u9500\u7b49\u591a\u4e2a\u590d\u6742\u7684\u4e1a\u52a1\u8282\u70b9\u3002\u5728\u5355\u4f53\u67b6\u6784&#xff08;Monolithic&#xff09;\u65f6\u4ee3&#xff0c;\u6211\u4eec\u4eab\u53d7\u7740 ACID \u4e8b\u52a1\u5e26\u6765\u7684\u7edd\u5bf9\u5b89\u5168\u611f&#xff0c;\u6240\u6709\u7684\u903b\u8f91\u6d41\u8f6c\u90fd\u5728\u540c\u4e00\u4e2a JVM \u8fdb\u7a0b\u3001\u540c\u4e00\u4e2a\u7269\u7406\u6570\u636e\u5e93\u8fde\u63a5\u4e2d\u5b8c\u6210\u3002<\/p>\n<p>\u7136\u800c&#xff0c;\u968f\u7740\u65e5\u8ba2\u5355\u91cf\u4ece\u5343\u7ea7\u8de8\u8d8a\u5230\u4ebf\u7ea7&#xff0c;\u539f\u672c\u7d27\u5bc6\u8026\u5408\u7684\u4ee3\u7801\u7ed3\u6784\u6f14\u53d8\u6210\u4e86\u96be\u4ee5\u903e\u8d8a\u7684\u201c\u6280\u672f\u503a\u52a1\u6ce5\u6f6d\u201d\u3002\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u67af\u7aed\u3001\u90e8\u7f72\u76f8\u4e92\u7275\u5236\u3001\u5355\u70b9\u6545\u969c\u5f15\u53d1\u7684\u5168\u5c40\u5d29\u6e83&#xff0c;\u8fd9\u4e9b\u7269\u7406\u5c42\u9762\u7684\u74f6\u9888\u8feb\u4f7f\u6211\u4eec\u5fc5\u987b\u8fdb\u884c\u4e00\u573a\u8131\u80ce\u6362\u9aa8\u7684\u201c\u67b6\u6784\u62c6\u89e3\u201d\u3002\u4f46\u5728\u5fae\u670d\u52a1\u5316\u7684\u8fc7\u7a0b\u4e2d&#xff0c;\u539f\u672c\u900f\u660e\u7684\u672c\u5730\u4e8b\u52a1\u6d88\u5931\u4e86&#xff0c;\u53d6\u800c\u4ee3\u4e4b\u7684\u662f\u9519\u7efc\u590d\u6742\u7684\u5206\u5e03\u5f0f\u4e00\u81f4\u6027\u96be\u9898\u3002\u4eca\u5929&#xff0c;\u6211\u4eec\u5c06\u5f00\u542f\u4e00\u6b21\u6df1\u5ea6\u7684\u6280\u672f\u957f\u5f81&#xff0c;\u4ece\u670d\u52a1\u8fb9\u754c\u7684\u7269\u7406\u5efa\u6a21\u804a\u5230 Seata \u4e8b\u52a1\u8865\u507f\u7684\u5e95\u5c42\u95ed\u73af&#xff0c;\u5168\u65b9\u4f4d\u62c6\u89e3\u5982\u4f55\u6784\u5efa\u4e00\u5957\u9ad8\u6027\u80fd\u3001\u5f3a\u97e7\u6027\u7684\u5fae\u670d\u52a1\u8ba2\u5355\u4e2d\u67a2\u3002<\/p>\n<hr \/>\n<h4>&#x1f4ca;&#x1f4cb; \u7b2c\u4e00\u7ae0&#xff1a;\u5f15\u8a00\u2014\u2014\u5355\u4f53\u5de8\u517d\u7684\u574d\u584c\u4e0e\u5fae\u670d\u52a1\u8fdb\u5316\u7684\u5fc5\u7136<\/h4>\n<p>\u5728\u6df1\u5165\u5177\u4f53\u7684\u62c6\u89e3\u65b9\u6848\u4e4b\u524d&#xff0c;\u6211\u4eec\u5fc5\u987b\u9996\u5148\u4ece\u7cfb\u7edf\u5de5\u7a0b\u89c6\u89d2\u7406\u89e3&#xff1a;\u4e3a\u4ec0\u4e48\u201c\u4e0d\u7834\u4e0d\u7acb\u201d\u662f\u8ba2\u5355\u7cfb\u7edf\u89c4\u6a21\u5316\u540e\u7684\u552f\u4e00\u51fa\u8def&#xff1f;<\/p>\n<h5>&#x1f9ec;&#x1f9e9; 1.1 \u903b\u8f91\u71b5\u589e\u7684\u7269\u7406\u8868\u73b0<\/h5>\n<p>\u5728\u5355\u4f53\u65f6\u4ee3&#xff0c;\u8ba2\u5355\u903b\u8f91\u5c31\u50cf\u4e00\u4e2a\u4e0d\u65ad\u5438\u7eb3\u788e\u7247\u7684\u201c\u9ed1\u6d1e\u201d\u3002\u4e00\u4e2a createOrder \u65b9\u6cd5\u53ef\u80fd\u88ab\u5199\u5230\u4e86 2000 \u884c&#xff0c;\u91cc\u9762\u5145\u65a5\u7740\u5e93\u5b58\u6838\u9500\u3001\u4f18\u60e0\u5238\u8ba1\u7b97\u3001\u79ef\u5206\u8d60\u9001\u4ee5\u53ca\u5404\u79cd\u751a\u81f3\u8fde\u8001\u5458\u5de5\u90fd\u89e3\u91ca\u4e0d\u6e05\u695a\u7684 if-else\u3002<\/p>\n<ul>\n<li>\u5f00\u53d1\u6b7b\u9501&#xff1a;\u5f53 50 \u540d\u7814\u53d1\u4eba\u5458\u540c\u65f6\u5728\u540c\u4e00\u4e2a\u4ee3\u7801\u5e93\u4e2d\u63d0\u4ea4\u4ee3\u7801&#xff0c;\u51b2\u7a81\u89e3\u51b3\u4e0e CI\/CD \u6392\u961f\u7684\u65f6\u95f4\u635f\u8017\u5c06\u8d85\u8fc7\u5b9e\u9645\u7f16\u7801\u65f6\u95f4\u3002<\/li>\n<li>\u7269\u7406\u6269\u5c55\u7684\u201c\u5929\u82b1\u677f\u201d&#xff1a;\u7531\u4e8e\u4e1a\u52a1\u6a21\u5757\u5171\u4eab\u540c\u4e00\u4e2a\u6570\u636e\u5e93&#xff0c;\u5373\u4fbf\u4f60\u7ed9\u5e94\u7528\u670d\u52a1\u5668\u6a2a\u5411\u6269\u5bb9 100 \u53f0&#xff0c;\u5e95\u5c42\u6570\u636e\u5e93\u7684\u884c\u7ea7\u9501\u7ade\u4e89\u548c IOPS \u6781\u9650\u4f9d\u7136\u4f1a\u5c06\u6574\u4e2a\u7cfb\u7edf\u9501\u6b7b\u3002<\/li>\n<\/ul>\n<h5>&#x1f6e1;\ufe0f\u2696\ufe0f 1.2 \u5fae\u670d\u52a1\u7684\u6838\u5fc3\u5951\u7ea6&#xff1a;\u89e3\u8026\u4e0e\u81ea\u6cbb<\/h5>\n<p>\u5fae\u670d\u52a1\u5316\u7684\u672c\u8d28\u4e0d\u4ec5\u4ec5\u662f\u628a Jar \u5305\u62c6\u5f00&#xff0c;\u800c\u662f\u5c06**\u201c\u5931\u6548\u57df\u201d\u7269\u7406\u9694\u79bb**\u3002\u901a\u8fc7\u5c06\u8ba2\u5355\u903b\u8f91\u5212\u5206\u4e3a\u72ec\u7acb\u7684\u8fdb\u7a0b&#xff0c;\u6211\u4eec\u8ba9\u7cfb\u7edf\u5177\u5907\u4e86\u5c40\u90e8\u6545\u969c\u4e0d\u8513\u5ef6\u7684\u80fd\u529b&#xff0c;\u5e76\u8d4b\u4e88\u4e86\u6bcf\u4e2a\u7ec4\u4ef6\u6839\u636e\u81ea\u8eab\u8d1f\u8f7d\u72ec\u7acb\u4f38\u7f29\u7684\u7269\u7406\u81ea\u7531\u3002<\/p>\n<hr \/>\n<h4>&#x1f30d;&#x1f4c8; \u7b2c\u4e8c\u7ae0&#xff1a;\u7cbe\u5bc6\u5de5\u7a0b\u2014\u2014\u57fa\u4e8e\u9886\u57df\u9a71\u52a8&#xff08;DDD&#xff09;\u7684\u670d\u52a1\u8fb9\u754c\u8bbe\u8ba1<\/h4>\n<p>\u91cd\u6784\u7684\u7b2c\u4e00\u6b65\u4e0d\u662f\u5199\u4ee3\u7801&#xff0c;\u800c\u662f\u753b\u51fa\u90a3\u9053\u51b3\u5b9a\u7cfb\u7edf\u547d\u8109\u7684\u201c\u7269\u7406\u9694\u79bb\u7ebf\u201d\u3002<\/p>\n<h5>&#x1f9ec;&#x1f9e9; 2.1 \u5bfb\u627e\u201c\u9650\u754c\u4e0a\u4e0b\u6587&#xff08;Bounded Context&#xff09;\u201d<\/h5>\n<p>\u5728\u8ba2\u5355\u7cfb\u7edf\u4e2d&#xff0c;\u6211\u4eec\u4e0d\u80fd\u76f2\u76ee\u6309\u8868\u62c6\u5206\u3002\u6211\u4eec\u9700\u8981\u8bc6\u522b\u4e1a\u52a1\u7684\u903b\u8f91\u5bc6\u5ea6&#xff0c;\u901a\u8fc7 DDD \u6a21\u578b\u5212\u5b9a\u8fb9\u754c&#xff1a;<\/p>\n<li>\u8ba2\u5355\u4e2d\u5fc3&#xff08;Order Core&#xff09;&#xff1a;\u8d1f\u8d23\u8ba2\u5355\u72b6\u6001\u673a\u3001\u652f\u4ed8\u6d41\u6c34\u6620\u5c04\u53ca\u57fa\u672c\u4fe1\u606f\u7ef4\u62a4\u3002<\/li>\n<li>\u5e93\u5b58\u4e2d\u5fc3&#xff08;Inventory&#xff09;&#xff1a;\u8d1f\u8d23 SKU \u7ea7\u7684\u7269\u7406\u5360\u7528\u4e0e\u6838\u9500&#xff0c;\u5b83\u662f\u9ad8\u5e76\u53d1\u51b2\u7a81\u7684\u6700\u524d\u7ebf\u3002<\/li>\n<li>\u8425\u9500\u4e2d\u5fc3&#xff08;Marketing&#xff09;&#xff1a;\u5904\u7406\u4f18\u60e0\u5238\u3001\u6ee1\u51cf\u7b56\u7565\u3001\u4fc3\u9500\u6d3b\u52a8\u3002<\/li>\n<li>\u652f\u4ed8\u7f51\u5173&#xff08;Payment Gateway&#xff09;&#xff1a;\u5bf9\u63a5\u5916\u90e8\u6e20\u9053&#xff0c;\u7ba1\u7406\u8d44\u91d1\u8def\u7531\u3002<\/li>\n<h5>&#x1f6e1;\ufe0f\u2696\ufe0f 2.2 \u7269\u7406\u62c6\u5206\u7684\u51c6\u5219&#xff1a;\u9ad8\u5185\u805a&#xff0c;\u4f4e\u8026\u5408<\/h5>\n<ul>\n<li>\u6570\u636e\u9694\u79bb&#xff1a;\u6bcf\u4e2a\u670d\u52a1\u5fc5\u987b\u62e5\u6709\u7269\u7406\u72ec\u7acb\u7684\u6570\u636e\u5e93 Schema\u3002\u4e25\u7981\u8de8\u670d\u52a1\u76f4\u63a5 join \u67e5\u8be2&#xff0c;\u6240\u6709\u7684\u5173\u8054\u5fc5\u987b\u901a\u8fc7\u903b\u8f91 ID \u8fdb\u884c\u8de8\u8fdb\u7a0b\u7684 RPC \u8c03\u7528\u3002<\/li>\n<li>\u901a\u8baf\u5f02\u6b65\u5316&#xff1a;\u5bf9\u4e8e\u975e\u6838\u5fc3\u3001\u975e\u5373\u65f6\u6027\u7684\u903b\u8f91&#xff08;\u5982\u53d1\u9001\u4e0b\u5355\u901a\u77e5\u3001\u66f4\u65b0\u4f1a\u5458\u7b49\u7ea7&#xff09;&#xff0c;\u5fc5\u987b\u901a\u8fc7\u6d88\u606f\u961f\u5217&#xff08;MQ&#xff09;\u8fdb\u884c\u7269\u7406\u524a\u5cf0&#xff0c;\u9632\u6b62\u957f\u94fe\u8def\u8c03\u7528\u4ea7\u751f\u7684\u54cd\u5e94\u5ef6\u8fdf\u5806\u79ef\u3002<\/li>\n<\/ul>\n<hr \/>\n<h4>&#x1f504;&#x1f3af; \u7b2c\u4e09\u7ae0&#xff1a;\u901a\u8baf\u5185\u6838\u2014\u2014\u5fae\u670d\u52a1\u95f4\u7684\u7269\u7406\u8fde\u63a5\u4e0e RPC \u6cbb\u7406<\/h4>\n<p>\u62c6\u5206\u540e\u7684\u5fae\u670d\u52a1\u5982\u540c\u6563\u843d\u5728\u7f51\u7edc\u4e2d\u7684\u5b64\u5c9b&#xff0c;\u6211\u4eec\u9700\u8981\u4e00\u5957\u9ad8\u6027\u80fd\u7684\u201c\u4ea4\u901a\u7cfb\u7edf\u201d\u5c06\u5b83\u4eec\u4e32\u8054\u8d77\u6765\u3002<\/p>\n<h5>&#x1f9ec;&#x1f9e9; 3.1 Feign \u4e0e gRPC \u7684\u6027\u80fd\u535a\u5f08<\/h5>\n<ul>\n<li>Feign&#xff08;\u58f0\u660e\u5f0f HTTP&#xff09;&#xff1a;\u7b80\u5355\u3001\u8d34\u5408 RESTful \u89c4\u8303&#xff0c;\u9002\u5408\u5927\u591a\u6570\u4e1a\u52a1\u63a5\u53e3\u3002<\/li>\n<li>gRPC&#xff08;\u57fa\u4e8e HTTP\/2 \u7684 ProtoBuf&#xff09;&#xff1a;\u4e8c\u8fdb\u5236\u5e8f\u5217\u5316\u3001\u591a\u8def\u590d\u7528&#xff0c;\u9002\u5408\u5bf9\u5ef6\u8fdf\u6781\u5176\u654f\u611f\u7684\u6838\u5fc3\u6838\u9500\u94fe\u8def&#xff08;\u5982\u8ba2\u5355\u4e0e\u5e93\u5b58\u4e4b\u95f4\u7684\u901a\u8baf&#xff09;\u3002<\/li>\n<\/ul>\n<h5>&#x1f6e1;\ufe0f\u2696\ufe0f 3.2 \u670d\u52a1\u53d1\u73b0\u4e0e\u7269\u7406\u8d1f\u8f7d\u5747\u8861<\/h5>\n<p>\u5229\u7528 Nacos \u4f5c\u4e3a\u6ce8\u518c\u4e2d\u5fc3&#xff0c;\u6211\u4eec\u5b9e\u73b0\u4e86\u670d\u52a1\u5b9e\u4f8b\u7684\u52a8\u6001\u4f38\u7f29\u3002<\/p>\n<ul>\n<li>\u903b\u8f91\u672c\u8d28&#xff1a;\u5ba2\u6237\u7aef\u4e0d\u518d\u7ef4\u62a4 IP \u5730\u5740&#xff0c;\u800c\u662f\u901a\u8fc7\u201c\u670d\u52a1\u540d\u201d\u5728\u6ce8\u518c\u4e2d\u5fc3\u8fdb\u884c\u7269\u7406\u5bfb\u5740\u3002\u7ed3\u5408 LoadBalancer \u7684\u7f13\u5b58\u673a\u5236&#xff0c;\u786e\u4fdd\u4e86\u5728\u8282\u70b9\u5b95\u673a\u77ac\u95f4&#xff0c;\u6d41\u91cf\u80fd\u4ee5\u6beb\u79d2\u7ea7\u5b8c\u6210\u7269\u7406\u5207\u6362\u3002<\/li>\n<\/ul>\n<hr \/>\n<h5>&#x1f4bb;&#x1f680; \u4ee3\u7801\u5b9e\u6218 1&#xff1a;\u9ad8\u6027\u80fd\u5fae\u670d\u52a1\u901a\u8baf\u57fa\u5ea7\u914d\u7f6e&#xff08;Spring Cloud &#043; Feign&#xff09;<\/h5>\n<p><span class=\"token comment\">&lt;!&#8211; &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\n     \u4ee3\u7801\u5757 1&#xff1a;\u6838\u5fc3\u4f9d\u8d56\u914d\u7f6e (pom.xml)<br \/>\n     \u7269\u7406\u7279\u6027&#xff1a;\u96c6\u6210\u6ce8\u518c\u4e2d\u5fc3\u3001\u914d\u7f6e\u4e2d\u5fc3\u53ca\u5206\u5e03\u5f0f\u8c03\u7528\u7ec4\u4ef6<br \/>\n     &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; &#8211;&gt;<\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependencyManagement<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependencies<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>com.alibaba.cloud<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>spring-cloud-alibaba-dependencies<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>2021.0.5.0<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>type<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>pom<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>type<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>scope<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>import<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>scope<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependencies<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependencyManagement<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p><span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependencies<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token comment\">&lt;!&#8211; Nacos \u670d\u52a1\u53d1\u73b0 &#8211;&gt;<\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>com.alibaba.cloud<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>spring-cloud-starter-alibaba-nacos-discovery<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token comment\">&lt;!&#8211; OpenFeign \u8fdc\u7a0b\u8c03\u7528 &#8211;&gt;<\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>org.springframework.cloud<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>spring-cloud-starter-openfeign<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token comment\">&lt;!&#8211; \u63a5\u5165\u9ad8\u6027\u80fd\u8fde\u63a5\u6c60&#xff0c;\u51cf\u5c11 TCP \u63e1\u624b\u5f00\u9500 &#8211;&gt;<\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>io.github.openfeign<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>feign-okhttp<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependencies<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u4ee3\u7801\u5757 2&#xff1a;\u5e26\u7194\u65ad\u4e0e\u964d\u7ea7\u4fdd\u62a4\u7684\u5e93\u5b58 Feign \u5ba2\u6237\u7aef<\/span><br \/>\n<span class=\"token comment\">\/\/ \u7269\u7406\u672c\u8d28&#xff1a;\u5728\u8de8\u8fdb\u7a0b\u8c03\u7528\u4e2d\u6784\u5efa\u201c\u9632\u5f39\u8863\u201d<\/span><br \/>\n<span class=\"token comment\">\/\/ &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;FeignClient<\/span><span class=\"token punctuation\">(<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;inventory-service&#034;<\/span><span class=\"token punctuation\">,<\/span> fallbackFactory <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">InventoryFallback<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">InventoryClient<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6267\u884c\u7269\u7406\u6263\u51cf\u5e93\u5b58<br \/>\n     * \u7b56\u7565&#xff1a;\u539f\u5b50\u5316\u64cd\u4f5c&#xff0c;\u8fd4\u56de\u6263\u51cf\u7ed3\u679c<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;PostMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/v1\/inventory\/deduct&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token class-name\">Result<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Boolean<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">deduct<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;RequestBody<\/span> <span class=\"token class-name\">InventoryDeductDTO<\/span> dto<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">InventoryFallback<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">FallbackFactory<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">InventoryClient<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">InventoryClient<\/span> <span class=\"token function\">create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Throwable<\/span> cause<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> dto <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#x1f6d1; \u5e93\u5b58\u670d\u52a1\u7269\u7406\u94fe\u8def\u5f02\u5e38&#xff0c;\u8fdb\u5165\u903b\u8f91\u964d\u7ea7\u3002\u539f\u56e0: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> cause<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u964d\u7ea7\u7b56\u7565&#xff1a;\u8fd4\u56de\u7279\u5b9a\u9519\u8bef\u7801&#xff0c;\u4f9b\u8ba2\u5355\u7cfb\u7edf\u6267\u884c\u672c\u5730\u6302\u8d77\u6216\u91cd\u8bd5\u903b\u8f91<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">fail<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">503<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u5e93\u5b58\u7cfb\u7edf\u7e41\u5fd9&#xff0c;\u8bf7\u7a0d\u540e\u91cd\u8bd5&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h4>&#x1f4ca;&#x1f4cb; \u7b2c\u56db\u7ae0&#xff1a;\u6570\u636e\u4e00\u81f4\u6027\u535a\u5f08\u2014\u2014\u4ece ACID \u5411 BASE \u7684\u903b\u8f91\u8fc1\u5f99<\/h4>\n<p>\u91cd\u6784\u8ba2\u5355\u7cfb\u7edf\u6700\u5927\u7684\u7269\u7406\u6311\u6218&#xff0c;\u5728\u4e8e\u5982\u4f55\u5728\u201c\u5206\u5e03\u5f0f\u5b64\u5c9b\u201d\u4e2d\u4fdd\u8bc1\u6570\u636e\u7684\u4e0d\u504f\u4e0d\u501a\u3002<\/p>\n<h5>&#x1f9ec;&#x1f9e9; 4.1 CAP \u5b9a\u7406\u7684\u201c\u5e7d\u7075\u201d<\/h5>\n<p>\u5728\u8ba2\u5355\u94fe\u8def\u4e2d&#xff0c;\u6211\u4eec\u9762\u4e34\u7740\u6b8b\u9177\u7684\u6743\u8861&#xff1a;<\/p>\n<ul>\n<li>\u4e00\u81f4\u6027&#xff08;C&#xff09;&#xff1a;\u7528\u6237\u4ed8\u4e86\u94b1&#xff0c;\u5e93\u5b58\u5fc5\u987b\u6263\u6389\u3002<\/li>\n<li>\u53ef\u7528\u6027&#xff08;A&#xff09;&#xff1a;\u5373\u4fbf\u5e93\u5b58\u670d\u52a1\u6296\u52a8&#xff0c;\u4e5f\u4e0d\u80fd\u8ba9\u4e0b\u5355\u63a5\u53e3\u5361\u6b7b\u3002 \u7531\u4e8e\u7f51\u7edc\u5206\u533a&#xff08;P&#xff09;\u662f\u5fc5\u7136\u5b58\u5728\u7684&#xff0c;\u6211\u4eec\u901a\u5e38\u9009\u62e9 AP \u6a21\u5f0f&#xff0c;\u5373\u8ffd\u6c42\u6700\u7ec8\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h5>&#x1f6e1;\ufe0f\u2696\ufe0f 4.2 \u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u7269\u7406\u4ee3\u4ef7<\/h5>\n<p>\u4f20\u7edf\u7684 2PC&#xff08;\u4e24\u9636\u6bb5\u63d0\u4ea4&#xff09;\u4f1a\u957f\u65f6\u95f4\u9501\u5b9a\u6570\u636e\u5e93\u8d44\u6e90\u3002<\/p>\n<ul>\n<li>\u7269\u7406\u5185\u5e55&#xff1a;\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b&#xff0c;2PC \u7684\u534f\u8c03\u5f00\u9500\u4f1a\u5bfc\u81f4\u54cd\u5e94\u65f6\u95f4&#xff08;RT&#xff09;\u7ffb\u500d&#xff0c;\u76f4\u63a5\u62d6\u57ae\u8ba2\u5355\u7cfb\u7edf\u7684 QPS\u3002\u56e0\u6b64&#xff0c;\u6211\u4eec\u9700\u8981\u66f4\u73b0\u4ee3\u3001\u66f4\u8f7b\u91cf\u7684\u4e8b\u52a1\u6a21\u578b\u2014\u2014Seata AT \u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<hr \/>\n<h4>&#x1f3d7;\ufe0f&#x1f4a1; \u7b2c\u4e94\u7ae0&#xff1a;\u5185\u6838\u62c6\u89e3\u2014\u2014Seata AT \u6a21\u5f0f\u7684\u7269\u7406\u8fd0\u884c\u8def\u5f84\u5206\u6790<\/h4>\n<p>Seata AT \u6a21\u5f0f\u4e4b\u6240\u4ee5\u88ab\u79f0\u4e3a\u201c\u65e0\u4fb5\u5165\u201d\u7684\u738b\u8005&#xff0c;\u662f\u56e0\u4e3a\u5b83\u5728\u5b57\u8282\u7801\u548c\u6570\u636e\u6e90\u5c42\u9762\u8fdb\u884c\u4e86\u5de7\u5999\u7684\u903b\u8f91\u5c01\u88c5\u3002<\/p>\n<h5>&#x1f9ec;&#x1f9e9; 5.1 \u4ee3\u7406\u6570\u636e\u6e90\u7684\u201c\u89c6\u89c9\u52ab\u6301\u201d<\/h5>\n<p>\u5f53\u4f60\u914d\u7f6e\u4e86 DataSourceProxy&#xff0c;Seata \u5c31\u63a5\u7ba1\u4e86\u4f60\u7684 SQL&#xff1a;<\/p>\n<li>\u4e00\u9636\u6bb5&#xff08;Execute&#xff09;&#xff1a;RM \u62e6\u622a\u4e1a\u52a1 SQL&#xff0c;\u81ea\u52a8\u901a\u8fc7\u89e3\u6790\u5f15\u64ce\u83b7\u53d6\u6570\u636e\u7684\u201c\u524d\u955c\u50cf&#xff08;Before Image&#xff09;\u201d\u3002<\/li>\n<li>\u63d0\u4ea4\u672c\u5730\u4e8b\u52a1&#xff1a;\u5728\u540c\u4e00\u4e2a\u672c\u5730\u4e8b\u52a1\u4e2d&#xff0c;\u4e1a\u52a1\u6570\u636e\u4e0e undo_log \u7269\u7406\u5165\u5e93\u3002\u5173\u952e\u70b9&#xff1a;\u6b64\u65f6\u672c\u5730\u4e8b\u52a1\u5df2\u91ca\u653e&#xff0c;\u4e0d\u957f\u65f6\u95f4\u9501\u5e93\u3002<\/li>\n<li>\u4e8c\u9636\u6bb5&#xff08;Commit\/Rollback&#xff09;&#xff1a;\u5982\u679c\u5168\u94fe\u8def\u6210\u529f&#xff0c;TC \u5f02\u6b65\u4e0b\u53d1\u6307\u4ee4\u6e05\u7406 undo_log&#xff1b;\u5982\u679c\u5931\u8d25&#xff0c;\u5219\u6839\u636e undo_log \u53cd\u5411\u751f\u6210\u8865\u507f SQL\u3002<\/li>\n<h5>&#x1f6e1;\ufe0f\u2696\ufe0f 5.2 \u5168\u5c40\u9501&#xff08;Global Lock&#xff09;\u7684\u7269\u7406\u95ed\u73af<\/h5>\n<p>\u4e3a\u4e86\u9632\u6b62\u201c\u810f\u5199\u201d&#xff0c;Seata \u5728 TC \u7aef\u7ef4\u62a4\u4e86\u4e00\u5f20\u5168\u5c40\u9501\u8868\u3002<\/p>\n<ul>\n<li>\u7269\u7406\u903b\u8f91&#xff1a;\u5728\u4e00\u4e2a\u4e8b\u52a1\u672a\u5b8c\u6210\u524d&#xff0c;\u5176\u4ed6\u53c2\u4e0e Seata \u4e8b\u52a1\u7684\u8fdb\u7a0b\u5982\u679c\u5c1d\u8bd5\u4fee\u6539\u540c\u4e00\u884c\u6570\u636e&#xff0c;\u4f1a\u88ab\u7269\u7406\u963b\u585e&#xff0c;\u4ece\u800c\u5728\u903b\u8f91\u4e0a\u5b9e\u73b0\u4e86\u5f3a\u9694\u79bb\u6027\u3002<\/li>\n<\/ul>\n<hr \/>\n<h5>&#x1f4bb;&#x1f680; \u4ee3\u7801\u5b9e\u6218&#xff1a;Seata \u5168\u5c40\u4e8b\u52a1\u5728\u8ba2\u5355\u4e0b\u5355\u6d41\u7a0b\u4e2d\u7684\u690d\u5165<\/h5>\n<p><span class=\"token comment\">\/\/ &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u4ee3\u7801\u5757 3&#xff1a;\u57fa\u4e8e Seata AT \u6a21\u5f0f\u7684\u8ba2\u5355\u521b\u5efa\u6838\u5fc3\u903b\u8f91<\/span><br \/>\n<span class=\"token comment\">\/\/ \u7269\u7406\u7279\u6027&#xff1a;\u652f\u6301\u591a\u670d\u52a1\u8de8\u5e93\u4e8b\u52a1&#xff0c;\u5177\u5907\u81ea\u52a8\u56de\u6eda\u80fd\u529b<\/span><br \/>\n<span class=\"token comment\">\/\/ &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Service<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">OrderRefactorServiceImpl<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">OrderService<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">OrderMapper<\/span> orderMapper<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">InventoryClient<\/span> inventoryClient<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">MarketingClient<\/span> marketingClient<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u4e0b\u5355\u5168\u6d41\u7a0b\u7f16\u6392<br \/>\n     * &#064;GlobalTransactional: \u5f00\u542f Seata \u5168\u5c40\u4e8b\u52a1\u63a7\u5236<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;GlobalTransactional<\/span><span class=\"token punctuation\">(<\/span>name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;csdn-order-create-tx&#034;<\/span><span class=\"token punctuation\">,<\/span> rollbackFor <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Exception<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">createOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">OrderCreateDTO<\/span> dto<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#x1f680; \u5f00\u59cb\u521b\u5efa\u5206\u5e03\u5f0f\u8ba2\u5355&#xff0c;XID: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">RootContext<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getXID<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 1. \u672c\u5730\u903b\u8f91&#xff1a;\u5199\u5165\u8ba2\u5355\u8868&#xff08;\u72b6\u6001&#xff1a;INIT&#xff09;<\/span><br \/>\n        <span class=\"token class-name\">OrderEntity<\/span> order <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">buildOrderEntity<\/span><span class=\"token punctuation\">(<\/span>dto<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        orderMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>order<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 2. \u8de8\u8fdb\u7a0b\u8c03\u7528&#xff1a;\u6263\u51cf\u5e93\u5b58<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u7269\u7406\u8def\u5f84&#xff1a;Feign \u4f1a\u81ea\u52a8\u900f\u4f20 XID \u7ed9\u5e93\u5b58\u670d\u52a1<\/span><br \/>\n        <span class=\"token class-name\">Result<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Boolean<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> invRes <span class=\"token operator\">&#061;<\/span> inventoryClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">deduct<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">InventoryDeductDTO<\/span><span class=\"token punctuation\">(<\/span>dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSkuId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>invRes<span class=\"token punctuation\">.<\/span><span class=\"token function\">isSuccess<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">BusinessException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5e93\u5b58\u4e0d\u8db3&#xff0c;\u89e6\u53d1\u5206\u5e03\u5f0f\u56de\u6eda&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 3. \u8de8\u8fdb\u7a0b\u8c03\u7528&#xff1a;\u6838\u9500\u4f18\u60e0\u5238<\/span><br \/>\n        <span class=\"token class-name\">Result<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Boolean<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> couponRes <span class=\"token operator\">&#061;<\/span> marketingClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">useCoupon<\/span><span class=\"token punctuation\">(<\/span>dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getCouponId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>couponRes<span class=\"token punctuation\">.<\/span><span class=\"token function\">isSuccess<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">BusinessException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4f18\u60e0\u5238\u5931\u6548&#xff0c;\u89e6\u53d1\u5206\u5e03\u5f0f\u56de\u6eda&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u2705 \u8ba2\u5355\u5168\u94fe\u8def\u4e8b\u52a1\u6267\u884c\u6210\u529f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> order<span class=\"token punctuation\">.<\/span><span class=\"token function\">getOrderNo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\"># &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<\/span><br \/>\n<span class=\"token comment\"># \u4ee3\u7801\u5757 4&#xff1a;Seata Client \u6838\u5fc3\u914d\u7f6e (file.conf \u6620\u5c04 YAML)<\/span><br \/>\n<span class=\"token comment\"># &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<\/span><br \/>\n<span class=\"token key atrule\">seata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">enabled<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token boolean important\">true<\/span><br \/>\n  <span class=\"token key atrule\">application-id<\/span><span class=\"token punctuation\">:<\/span> order<span class=\"token punctuation\">&#8211;<\/span>service<br \/>\n  <span class=\"token key atrule\">tx-service-group<\/span><span class=\"token punctuation\">:<\/span> order_tx_group <span class=\"token comment\"># \u4e8b\u52a1\u5206\u7ec4\u6620\u5c04<\/span><br \/>\n  <span class=\"token key atrule\">service<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">vgroup-mapping<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">order_tx_group<\/span><span class=\"token punctuation\">:<\/span> default <span class=\"token comment\"># \u6620\u5c04\u5230 TC \u7684 default \u96c6\u7fa4<\/span><br \/>\n    <span class=\"token key atrule\">grouplist<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">default<\/span><span class=\"token punctuation\">:<\/span> 192.168.1.100<span class=\"token punctuation\">:<\/span><span class=\"token number\">8091<\/span> <span class=\"token comment\"># TC Server \u7269\u7406\u5730\u5740<\/span><br \/>\n  <span class=\"token key atrule\">client<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">undo<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">log-serialization<\/span><span class=\"token punctuation\">:<\/span> jackson <span class=\"token comment\"># undo_log \u5e8f\u5217\u5316\u65b9\u5f0f<\/span><br \/>\n      <span class=\"token key atrule\">log-table<\/span><span class=\"token punctuation\">:<\/span> undo_log         <span class=\"token comment\"># \u5143\u6570\u636e\u8868\u540d<\/span><\/p>\n<h4>&#x1f504;&#x1f3af; \u7b2c\u516d\u7ae0&#xff1a;\u903b\u8f91\u6307\u7eb9\u2014\u2014\u8ba2\u5355\u72b6\u6001\u673a\u7684\u7269\u7406\u5e42\u7b49\u4e0e\u201c\u9632\u91cd\u201d\u6df1\u5ea6\u8bbe\u8ba1<\/h4>\n<p>\u5728\u5fae\u670d\u52a1\u91cd\u6784\u540e&#xff0c;\u539f\u672c\u5728\u4e00\u4e2a\u4e8b\u52a1\u5185\u5b8c\u6210\u7684\u72b6\u6001\u53d8\u66f4\u88ab\u62c6\u5206\u5230\u4e86\u4e0d\u540c\u7684\u7f51\u7edc\u8c03\u7528\u4e2d\u3002\u7531\u4e8e\u7f51\u7edc\u6296\u52a8\u5bfc\u81f4\u7684 RPC \u91cd\u8bd5\u3001\u524d\u7aef\u91cd\u590d\u70b9\u51fb\u4ee5\u53ca\u6d88\u606f\u961f\u5217\u7684\u91cd\u590d\u6295\u9012&#xff0c;\u4f7f\u5f97**\u5e42\u7b49\u6027&#xff08;Idempotency&#xff09;**\u6210\u4e3a\u4e86\u7cfb\u7edf\u903b\u8f91\u6b63\u786e\u6027\u7684\u6700\u540e\u4e00\u9053\u7269\u7406\u9632\u7ebf\u3002<\/p>\n<h5>&#x1f9ec;&#x1f9e9; 6.1 \u72b6\u6001\u673a\u7684\u7269\u7406\u95ed\u73af<\/h5>\n<p>\u8ba2\u5355\u7cfb\u7edf\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u590d\u6742\u7684\u72b6\u6001\u673a&#xff08;State Machine&#xff09;\u3002\u72b6\u6001\u7684\u6bcf\u4e00\u6b21\u8fc1\u5f99&#xff08;\u5982&#xff1a;\u4ece PENDING \u5230 PAID&#xff09;\u90fd\u5fc5\u987b\u662f\u5355\u5411\u4e14\u53d7\u63a7\u7684\u3002<\/p>\n<ul>\n<li>\u7269\u7406\u51b2\u7a81\u98ce\u9669&#xff1a;\u5982\u679c\u4e24\u4e2a\u652f\u4ed8\u56de\u8c03\u540c\u65f6\u5230\u8fbe&#xff0c;\u4e14\u4ee3\u7801\u903b\u8f91\u662f if (status &#061;&#061; INIT) { updateStatus(PAID); }&#xff0c;\u5728\u6781\u9ad8\u5e76\u53d1\u4e0b&#xff0c;\u4e24\u4e2a\u7ebf\u7a0b\u53ef\u80fd\u540c\u65f6\u8fdb\u5165\u5224\u65ad\u903b\u8f91&#xff0c;\u5bfc\u81f4\u91cd\u590d\u6263\u51cf\u5e93\u5b58\u6216\u591a\u6b21\u8d60\u9001\u79ef\u5206\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6848&#xff1a;\u7248\u672c\u53f7\u4e0e\u72b6\u6001\u9884\u5224\u3002\u901a\u8fc7 SQL \u5c42\u7684 WHERE status &#061; &#039;INIT&#039; \u8fd9\u79cd\u539f\u5b50\u5316\u64cd\u4f5c&#xff0c;\u5229\u7528\u6570\u636e\u5e93 B&#043; \u6811\u7d22\u5f15\u5728\u4fee\u6539\u65f6\u7684\u884c\u7ea7\u9501&#xff0c;\u786e\u4fdd\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u80fd\u591f\u5b8c\u6210\u7269\u7406\u72b6\u6001\u7684\u4fee\u6539\u3002<\/li>\n<\/ul>\n<h5>&#x1f6e1;\ufe0f\u2696\ufe0f 6.2 \u5e42\u7b49\u51ed\u8bc1\u7684\u7269\u7406\u5b58\u50a8&#xff1a;\u9632\u91cd\u8868<\/h5>\n<p>\u5bf9\u4e8e\u975e\u72b6\u6001\u53d8\u66f4\u7c7b\u7684\u64cd\u4f5c&#xff08;\u5982&#xff1a;\u521b\u5efa\u8ba2\u5355\u6d41\u6c34&#xff09;&#xff0c;\u6211\u4eec\u9700\u8981\u5f15\u5165\u201c\u903b\u8f91\u6307\u7eb9\u201d\u3002<\/p>\n<ul>\n<li>\u7269\u7406\u672c\u8d28&#xff1a;\u5728\u672c\u5730\u6570\u636e\u5e93\u4e2d\u5efa\u7acb\u4e00\u5f20 idempotent_token \u8868&#xff0c;\u5c06\u4e1a\u52a1\u4e3b\u952e&#xff08;\u5982&#xff1a;requestId \u6216 orderNo&#xff09;\u8bbe\u4e3a\u552f\u4e00\u7d22\u5f15\u3002<\/li>\n<li>\u539f\u5b50\u5316\u8fc7\u7a0b&#xff1a;\u5728\u6267\u884c\u4e1a\u52a1\u4ee3\u7801\u524d&#xff0c;\u5148\u5411\u8be5\u8868\u63d2\u5165\u4e00\u6761\u8bb0\u5f55\u3002\u5982\u679c\u63d2\u5165\u6210\u529f&#xff0c;\u8bf4\u660e\u662f\u9996\u6b21\u8bf7\u6c42&#xff1b;\u5982\u679c\u629b\u51fa DuplicateKeyException&#xff0c;\u5219\u76f4\u63a5\u7269\u7406\u62e6\u622a&#xff0c;\u8fd4\u56de\u5df2\u6709\u7684\u5904\u7406\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<hr \/>\n<h5>&#x1f4bb;&#x1f680; \u4ee3\u7801\u5b9e\u6218&#xff1a;\u57fa\u4e8e\u72b6\u6001\u673a\u4e0e\u552f\u4e00\u7ea6\u675f\u7684\u5e42\u7b49\u5904\u7406\u5668\u5b9e\u73b0<\/h5>\n<p><span class=\"token comment\">\/* &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\n   \u4ee3\u7801\u5757 5&#xff1a;\u5177\u5907\u7269\u7406\u5e42\u7b49\u4fdd\u62a4\u7684\u8ba2\u5355\u72b6\u6001\u66f4\u65b0\u5185\u6838<br \/>\n   \u7269\u7406\u7279\u6027&#xff1a;\u5229\u7528\u884c\u7ea7\u9501\u8fdb\u884c\u72b6\u6001\u5f3a\u6821\u9a8c&#xff0c;\u9632\u6b62\u5e76\u53d1\u51b2\u7a81<br \/>\n   &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; *\/<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Service<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">OrderStateEngineImpl<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">OrderStateEngine<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">OrderMapper<\/span> orderMapper<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6267\u884c\u652f\u4ed8\u6210\u529f\u540e\u7684\u72b6\u6001\u8fc1\u5f99<br \/>\n     * \u903b\u8f91&#xff1a;INIT -&gt; PAID<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Transactional<\/span><span class=\"token punctuation\">(<\/span>rollbackFor <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Exception<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">onPaymentSuccess<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> orderNo<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> paymentId<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#x1f4b3; \u63a5\u6536\u5230\u652f\u4ed8\u56de\u8c03\u4fe1\u53f7&#xff0c;\u8ba2\u5355\u53f7: {}, \u652f\u4ed8\u5355\u53f7: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> orderNo<span class=\"token punctuation\">,<\/span> paymentId<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 1. \u7269\u7406\u62e6\u622a&#xff1a;\u57fa\u4e8e\u6570\u636e\u5e93\u552f\u4e00\u7d22\u5f15\u7684\u8bf7\u6c42\u53bb\u91cd<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5047\u8bbe payment_record \u8868\u5bf9 payment_id \u6709\u552f\u4e00\u7ea6\u675f<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            paymentMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">insertRecord<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">PaymentRecord<\/span><span class=\"token punctuation\">(<\/span>paymentId<span class=\"token punctuation\">,<\/span> orderNo<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">DuplicateKeyException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u26a0\ufe0f \u76d1\u6d4b\u5230\u91cd\u590d\u7684\u652f\u4ed8\u56de\u8c03&#xff0c;\u7269\u7406\u62e6\u622a\u6210\u529f&#xff1a;{}&#034;<\/span><span class=\"token punctuation\">,<\/span> paymentId<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5e42\u7b49\u8fd4\u56de&#xff0c;\u4e0d\u518d\u6267\u884c\u540e\u7eed\u903b\u8f91<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 2. \u72b6\u6001\u673a\u539f\u5b50\u8fc1\u5f99<\/span><br \/>\n        <span class=\"token comment\">\/\/ SQL: UPDATE t_order SET status &#061; &#039;PAID&#039;, update_time &#061; NOW() <\/span><br \/>\n        <span class=\"token comment\">\/\/      WHERE order_no &#061; #{orderNo} AND status &#061; &#039;INIT&#039;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> rows <span class=\"token operator\">&#061;<\/span> orderMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">updateStatusWithCheck<\/span><span class=\"token punctuation\">(<\/span>orderNo<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;PAID&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;INIT&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>rows <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7269\u7406\u6eaf\u6e90&#xff1a;\u5982\u679c\u66f4\u65b0\u5931\u8d25&#xff0c;\u8bf4\u660e\u72b6\u6001\u5df2\u88ab\u5176\u4ed6\u7ebf\u7a0b\u62a2\u5360\u4fee\u6539<\/span><br \/>\n            <span class=\"token class-name\">OrderEntity<\/span> currentOrder <span class=\"token operator\">&#061;<\/span> orderMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">selectByOrderNo<\/span><span class=\"token punctuation\">(<\/span>orderNo<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;PAID&#034;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">equals<\/span><span class=\"token punctuation\">(<\/span>currentOrder<span class=\"token punctuation\">.<\/span><span class=\"token function\">getStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u2705 \u8ba2\u5355\u72b6\u6001\u5df2\u5728\u5e76\u53d1\u4e2d\u5b8c\u6210\u66f4\u65b0&#xff0c;\u5f53\u524d\u72b6\u6001\u7b26\u5408\u9884\u671f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#x1f6a8; \u8ba2\u5355\u72b6\u6001\u8fc1\u5f99\u5f02\u5e38&#xff0c;\u5f53\u524d\u72b6\u6001\u4e3a: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> currentOrder<span class=\"token punctuation\">.<\/span><span class=\"token function\">getStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">IllegalStateException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u65e0\u6548\u7684\u8ba2\u5355\u72b6\u6001\u53d8\u66f4\u8def\u5f84&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u2728 \u8ba2\u5355 {} \u7269\u7406\u72b6\u6001\u5df2\u6210\u529f\u8fc1\u5f99\u81f3 PAID&#034;<\/span><span class=\"token punctuation\">,<\/span> orderNo<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h4>&#x1f30d;&#x1f4c8; \u7b2c\u4e03\u7ae0&#xff1a;\u97e7\u6027\u6f14\u8fdb\u2014\u2014\u57fa\u4e8e\u6d88\u606f\u9a71\u52a8\u7684\u6700\u7ec8\u4e00\u81f4\u6027\u4e0e\u5bf9\u8d26\u95ed\u73af<\/h4>\n<p>\u5e76\u4e0d\u662f\u6240\u6709\u7684\u4e1a\u52a1\u90fd\u9700\u8981 Seata \u8fd9\u79cd\u5f3a\u4e00\u81f4\u6027\u5206\u5e03\u5f0f\u4e8b\u52a1\u3002\u5bf9\u4e8e\u201c\u53d1\u9001\u4e0b\u5355\u77ed\u4fe1\u201d\u3001\u201c\u589e\u52a0\u7528\u6237\u7ecf\u9a8c\u503c\u201d\u8fd9\u7c7b\u5bf9\u5b9e\u65f6\u6027\u4e0d\u654f\u611f\u7684\u8f85\u52a9\u903b\u8f91&#xff0c;\u6d88\u606f\u9a71\u52a8&#xff08;Event-Driven&#xff09; \u662f\u5b9e\u73b0\u7cfb\u7edf\u89e3\u8026\u548c\u9ad8\u6027\u80fd\u7684\u7269\u7406\u5229\u5203\u3002<\/p>\n<h5>&#x1f9ec;&#x1f9e9; 7.1 \u672c\u5730\u6d88\u606f\u8868\u4e0e\u53ef\u9760\u6295\u9012<\/h5>\n<p>\u7531\u4e8e\u201c\u5199\u6570\u636e\u5e93\u201d\u548c\u201c\u53d1\u6d88\u606f\u201d\u662f\u4e24\u4e2a\u72ec\u7acb\u7684\u7269\u7406\u52a8\u4f5c&#xff0c;\u6211\u4eec\u5fc5\u987b\u4fdd\u8bc1\u5b83\u4eec\u7684\u539f\u5b50\u6027\u3002<\/p>\n<ul>\n<li>\u7269\u7406\u6311\u6218&#xff1a;\u5982\u679c\u6570\u636e\u5e93\u5199\u6210\u529f\u4e86&#xff0c;\u4f46\u6d88\u606f\u7531\u4e8e\u7f51\u7edc\u6296\u52a8\u6ca1\u53d1\u51fa\u53bb&#xff0c;\u4e0b\u6e38\u670d\u52a1\u5c06\u6c38\u8fdc\u4e0d\u4f1a\u6267\u884c\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6848&#xff1a;\u5229\u7528\u672c\u5730\u6d88\u606f\u8868&#xff08;Local Message Table&#xff09;\u3002\u5728\u540c\u4e00\u4e2a\u6570\u636e\u5e93\u4e8b\u52a1\u4e2d&#xff0c;\u65e2\u5199\u4e1a\u52a1\u6570\u636e&#xff0c;\u4e5f\u5f80\u6d88\u606f\u8868\u63d2\u4e00\u6761\u201c\u5f85\u53d1\u9001\u201d\u8bb0\u5f55\u3002\u540e\u53f0\u8d77\u4e00\u4e2a\u5f02\u6b65\u7ebf\u7a0b\u5b9a\u65f6\u626b\u63cf\u8be5\u8868&#xff0c;\u786e\u4fdd\u6d88\u606f 100% \u88ab\u63a8\u9001\u5230 MQ \u4ee3\u7406\u3002<\/li>\n<\/ul>\n<h5>&#x1f6e1;\ufe0f\u2696\ufe0f 7.2 \u5f02\u6b65\u5bf9\u8d26&#xff1a;\u7cfb\u7edf\u81ea\u6108\u7684\u7269\u7406\u4fdd\u969c<\/h5>\n<p>\u5728\u5fae\u670d\u52a1\u77e9\u9635\u4e2d&#xff0c;\u6211\u4eec\u5fc5\u987b\u5efa\u7acb\u201c\u9632\u5fa1\u5f0f\u7f16\u7a0b\u201d\u601d\u7ef4\u3002<\/p>\n<ul>\n<li>\u5bf9\u8d26\u95ed\u73af&#xff1a;\u6bcf\u5929\u51cc\u6668&#xff0c;\u7cfb\u7edf\u4f1a\u81ea\u52a8\u6bd4\u5bf9\u8ba2\u5355\u5e93\u4e0e\u652f\u4ed8\u6e20\u9053\u3001\u5e93\u5b58\u5e93\u7684\u6d41\u6c34\u5dee\u5f02\u3002<\/li>\n<li>\u7269\u7406\u4fee\u590d&#xff1a;\u5982\u679c\u53d1\u73b0\u8ba2\u5355\u5df2\u652f\u4ed8\u4f46\u5e93\u5b58\u672a\u771f\u6b63\u6263\u51cf&#xff08;\u7531\u4e8e\u4e4b\u524d\u6240\u6709\u7684\u91cd\u8bd5\u90fd\u5931\u8d25\u4e86&#xff09;&#xff0c;\u5bf9\u8d26\u7cfb\u7edf\u4f1a\u53d1\u8d77\u4e00\u6b21\u4eba\u5de5\u5e72\u9884\u6216\u81ea\u52a8\u8865\u507f\u8bf7\u6c42&#xff0c;\u5b9e\u73b0\u6570\u636e\u7684\u201c\u6700\u7ec8\u5f52\u4f4d\u201d\u3002<\/li>\n<\/ul>\n<hr \/>\n<h5>&#x1f4bb;&#x1f680; \u4ee3\u7801\u5b9e\u6218&#xff1a;\u57fa\u4e8e RocketMQ \u4e8b\u52a1\u6d88\u606f\u7684\u6700\u7ec8\u4e00\u81f4\u6027\u5b9e\u73b0<\/h5>\n<p><span class=\"token comment\">\/* &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\n   \u4ee3\u7801\u5757 6&#xff1a;\u53ef\u9760\u6d88\u606f\u6295\u9012\u7684\u7269\u7406\u5b9e\u73b0&#xff08;\u4e8b\u52a1\u6d88\u606f\u6a21\u5f0f&#xff09;<br \/>\n   \u7269\u7406\u672c\u8d28&#xff1a;\u4fdd\u8bc1\u4e1a\u52a1\u903b\u8f91\u4e0e\u6d88\u606f\u53d1\u9001\u7684\u539f\u5b50\u6027\u7ed1\u5b9a<br \/>\n   &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; *\/<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;RocketMQTransactionListener<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">OrderTransactionListenerImpl<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">RocketMQLocalTransactionListener<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">OrderService<\/span> orderService<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">RocketMQLocalTransactionState<\/span> <span class=\"token function\">executeLocalTransaction<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Message<\/span> msg<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Object<\/span> arg<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ 1. \u7269\u7406\u6267\u884c\u672c\u5730\u4e1a\u52a1&#xff1a;\u521b\u5efa\u8ba2\u5355<\/span><br \/>\n            <span class=\"token class-name\">OrderDTO<\/span> orderDTO <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">OrderDTO<\/span><span class=\"token punctuation\">)<\/span> arg<span class=\"token punctuation\">;<\/span><br \/>\n            orderService<span class=\"token punctuation\">.<\/span><span class=\"token function\">createOrderInLocal<\/span><span class=\"token punctuation\">(<\/span>orderDTO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ 2. \u672c\u5730\u4e8b\u52a1\u6210\u529f&#xff0c;\u901a\u77e5 MQ \u63d0\u4ea4\u534a\u6d88\u606f&#xff0c;\u4e0b\u6e38\u53ef\u89c1<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">RocketMQLocalTransactionState<\/span><span class=\"token punctuation\">.<\/span>COMMIT<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u274c \u672c\u5730\u8ba2\u5355\u521b\u5efa\u5931\u8d25&#xff0c;\u56de\u9000\u6d88\u606f\u6295\u9012&#034;<\/span><span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ 3. \u4e1a\u52a1\u5931\u8d25&#xff0c;\u7269\u7406\u5220\u9664 MQ \u4e0a\u7684\u534a\u6d88\u606f&#xff0c;\u4e0b\u6e38\u4e0d\u53ef\u89c1<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">RocketMQLocalTransactionState<\/span><span class=\"token punctuation\">.<\/span>ROLLBACK<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">RocketMQLocalTransactionState<\/span> <span class=\"token function\">checkLocalTransaction<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Message<\/span> msg<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 4. \u8865\u507f\u903b\u8f91&#xff1a;\u5982\u679c\u56e0\u4e3a\u7f51\u7edc\u539f\u56e0 MQ \u6ca1\u6536\u5230 COMMIT \u786e\u8ba4<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5b83\u4f1a\u53cd\u67e5\u6b64\u65b9\u6cd5&#xff0c;\u901a\u8fc7\u7269\u7406\u67e5\u8be2 DB \u786e\u8ba4\u8ba2\u5355\u662f\u5426\u5b58\u5728<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> orderNo <span class=\"token operator\">&#061;<\/span> msg<span class=\"token punctuation\">.<\/span><span class=\"token function\">getHeaders<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ORDER_NO&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">boolean<\/span> exists <span class=\"token operator\">&#061;<\/span> orderService<span class=\"token punctuation\">.<\/span><span class=\"token function\">isOrderExisted<\/span><span class=\"token punctuation\">(<\/span>orderNo<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> exists <span class=\"token operator\">?<\/span> <span class=\"token class-name\">RocketMQLocalTransactionState<\/span><span class=\"token punctuation\">.<\/span>COMMIT <span class=\"token operator\">:<\/span> <span class=\"token class-name\">RocketMQLocalTransactionState<\/span><span class=\"token punctuation\">.<\/span>ROLLBACK<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h4>&#x1f3ce;\ufe0f&#x1f4ca; \u7b2c\u516b\u7ae0&#xff1a;\u6027\u80fd\u538b\u69a8\u2014\u2014\u5927\u4fc3\u573a\u666f\u4e0b\u7684\u70ed\u70b9\u5e93\u5b58\u201c\u7269\u7406\u5206\u6bb5\u9501\u201d\u91cd\u6784<\/h4>\n<p>\u91cd\u6784\u540e\u7684\u8ba2\u5355\u7cfb\u7edf&#xff0c;\u6700\u5927\u7684\u7269\u7406\u74f6\u9888\u5f80\u5f80\u96c6\u4e2d\u5728\u5e93\u5b58\u670d\u52a1\u7684\u884c\u7ea7\u9501\u7ade\u4e89\u4e0a\u3002\u5f53\u5168\u7f51\u7528\u6237\u540c\u65f6\u62a2\u8d2d\u540c\u4e00\u4e2a\u7206\u6b3e SKU \u65f6&#xff0c;\u6570\u636e\u5e93\u7684\u5355\u884c\u66f4\u65b0\u538b\u529b\u4f1a\u77ac\u95f4\u7206\u8868\u3002<\/p>\n<h5>&#x1f9ec;&#x1f9e9; 8.1 \u9501\u7ade\u4e89\u7684\u7269\u7406\u672c\u8d28<\/h5>\n<p>\u5728 InnoDB \u4e2d&#xff0c;UPDATE inventory SET count &#061; count &#8211; 1 WHERE sku_id &#061; 1 \u4f1a\u5bf9\u8be5\u884c\u52a0 X \u9501\u3002\u5728\u9ad8\u5e76\u53d1\u4e0b&#xff0c;\u6210\u5343\u4e0a\u4e07\u4e2a\u7ebf\u7a0b\u4f1a\u5728 AQS \u961f\u5217\u548c\u5185\u6838\u4e0a\u4e0b\u6587\u4e2d\u9891\u7e41\u5207\u6362&#xff0c;\u5bfc\u81f4 CPU \u8d1f\u8f7d\u98d9\u5347&#xff0c;\u541e\u5410\u91cf\u65ad\u5d16\u5f0f\u4e0b\u8dcc\u3002<\/p>\n<h5>&#x1f6e1;\ufe0f\u2696\ufe0f 8.2 \u5206\u6bb5\u9501&#xff08;Partitioned Lock&#xff09;\u7684\u7cbe\u5bc6\u91cd\u6784<\/h5>\n<p>\u501f\u9274 LongAdder \u7684\u601d\u60f3&#xff0c;\u6211\u4eec\u5c06\u4e00\u4e2a SKU \u7684\u603b\u5e93\u5b58&#xff0c;\u5728\u6570\u636e\u5e93\u4e2d\u7269\u7406\u62c6\u5206\u4e3a\u591a\u6761\u8bb0\u5f55\u3002<\/p>\n<ul>\n<li>\u7269\u7406\u6620\u5c04&#xff1a;\u5047\u8bbe SKU 1001 \u6709 1000 \u4e2a\u5e93\u5b58&#xff0c;\u6211\u4eec\u5c06\u5176\u62c6\u5206\u4e3a 10 \u4e2a\u5b50\u5e93&#xff0c;\u6bcf\u4e2a\u5e93 100 \u4e2a\u3002<\/li>\n<li>\u8c03\u5ea6\u7b56\u7565&#xff1a;\u4e0b\u5355\u8bf7\u6c42\u8fdb\u5165\u65f6&#xff0c;\u6839\u636e userId % 10 \u8fdb\u884c\u7269\u7406\u5206\u6d41\u3002<\/li>\n<li>\u6027\u80fd\u98de\u8dc3&#xff1a;\u539f\u672c\u9488\u5bf9\u4e00\u884c\u7684\u9501\u7ade\u4e89&#xff0c;\u88ab\u5e73\u644a\u5230\u4e86 10 \u884c\u3002\u8fd9\u79cd\u901a\u8fc7\u7a7a\u95f4\u6362\u53d6\u5e76\u884c\u5ea6\u7684\u505a\u6cd5&#xff0c;\u662f\u652f\u6491\u79d2\u7ea7\u4e07\u7b14\u8ba2\u5355\u7684\u6838\u5fc3\u9ed1\u79d1\u6280\u3002<\/li>\n<\/ul>\n<hr \/>\n<h4>&#x1f4a3;&#x1f480; \u7b2c\u4e5d\u7ae0&#xff1a;\u907f\u5751\u6307\u5357\u2014\u2014\u6392\u67e5\u5fae\u670d\u52a1\u4e8b\u52a1\u91cd\u6784\u4e2d\u7684\u5341\u5927\u201c\u6b7b\u4ea1\u9677\u9631\u201d<\/h4>\n<p>\u5728\u6570\u5341\u6b21\u5927\u578b\u8ba2\u5355\u7cfb\u7edf\u7684\u91cd\u6784\u5b9e\u8df5\u4e2d&#xff0c;\u6211\u4eec\u68b3\u7406\u51fa\u4e86\u6700\u5177\u7834\u574f\u529b\u7684\u5341\u5927\u5751\u70b9&#xff1a;<\/p>\n<li>Seata \u810f\u5199\u5f02\u5e38&#xff08;Dirty Write&#xff09;&#xff1a;\n<ul>\n<li>\u9677\u9631&#xff1a;\u5728\u5168\u5c40\u4e8b\u52a1\u8fd0\u884c\u671f\u95f4&#xff0c;\u6709\u975e Seata \u7ba1\u7406\u7684\u540e\u53f0\u811a\u672c\u76f4\u63a5\u6539\u4e86\u6570\u636e\u5e93\u3002<\/li>\n<li>\u7269\u7406\u540e\u679c&#xff1a;\u4e8c\u9636\u6bb5\u56de\u6eda\u65f6&#xff0c;Seata \u53d1\u73b0\u5f53\u524d\u503c\u4e0e\u540e\u955c\u50cf\u5bf9\u4e0d\u4e0a&#xff0c;\u5bfc\u81f4\u56de\u6eda\u6b7b\u9501\u3002<\/li>\n<li>\u5bf9\u7b56&#xff1a;\u6240\u6709\u6570\u636e\u53d8\u66f4\u8def\u5f84\u5fc5\u987b\u5f3a\u5236\u63a5\u5165\u6570\u636e\u6e90\u4ee3\u7406\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Feign \u8bfb\u8d85\u65f6\u5927\u4e8e Seata \u5168\u5c40\u8d85\u65f6&#xff1a;\n<ul>\n<li>\u98ce\u9669&#xff1a;Feign \u8fd8\u5728\u6b7b\u7b49\u54cd\u5e94&#xff0c;\u800c TC&#xff08;\u534f\u8c03\u5668&#xff09;\u5df2\u7ecf\u8ba4\u4e3a\u4e8b\u52a1\u8d85\u65f6\u5e76\u5f3a\u5236\u56de\u6eda\u4e86\u3002\u8fd9\u4f1a\u5bfc\u81f4\u4e1a\u52a1\u903b\u8f91\u5728\u56de\u6eda\u540e\u7ee7\u7eed\u6267\u884c&#xff0c;\u4ea7\u751f\u6570\u636e\u7a7a\u6d1e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5ffd\u7565\u4e86\u6570\u636e\u5e93\u7d22\u5f15\u7684\u7269\u7406\u5f00\u9500&#xff1a;\n<ul>\n<li>\u73b0\u8c61&#xff1a;\u4e3a\u4e86\u67e5\u8be2\u65b9\u4fbf&#xff0c;\u5728\u8ba2\u5355\u8868\u52a0\u4e86 10 \u4e2a\u7d22\u5f15\u3002<\/li>\n<li>\u4ee3\u4ef7&#xff1a;\u5728\u9ad8\u9891\u5199\u5165\u573a\u666f\u4e0b&#xff0c;\u7d22\u5f15\u7684 B&#043; \u6811\u7ef4\u62a4\u6210\u672c\u5c06\u7269\u7406\u62d6\u6162\u4e8b\u52a1\u63d0\u4ea4\u901f\u5ea6 3 \u500d\u4ee5\u4e0a\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5faa\u73af\u4f9d\u8d56\u5bfc\u81f4\u542f\u52a8\u6b7b\u9501&#xff1a;\n<ul>\n<li>\u5bf9\u7b56&#xff1a;\u8ba2\u5355\u670d\u52a1\u4e0e\u4f1a\u5458\u670d\u52a1\u4e92\u76f8\u6ce8\u5165\u3002\u52a1\u5fc5\u4f7f\u7528 &#064;Lazy \u6216\u662f\u901a\u8fc7 MQ \u5f7b\u5e95\u91cd\u6784\u4f9d\u8d56\u94fe\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5ffd\u7565\u4e86\u4e3b\u4ece\u540c\u6b65\u5ef6\u8fdf&#xff08;Read-Your-Writes \u95ee\u9898&#xff09;&#xff1a;\n<ul>\n<li>\u73b0\u8c61&#xff1a;\u4e0b\u5355\u540e\u7acb\u5373\u8df3\u8f6c\u8be6\u60c5\u9875&#xff0c;\u7ed3\u679c\u62a5\u201c\u8ba2\u5355\u4e0d\u5b58\u5728\u201d\u3002<\/li>\n<li>\u5bf9\u7b56&#xff1a;\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u7684\u67e5\u8be2&#xff0c;\u7269\u7406\u5f3a\u5236\u8def\u7531\u5230\u4e3b\u5e93\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5206\u5e03\u5f0f ID \u7684\u65f6\u949f\u56de\u62e8&#xff1a;\n<ul>\n<li>\u98ce\u9669&#xff1a;Snowflake \u7b97\u6cd5\u7531\u4e8e\u670d\u52a1\u5668 NTP \u6388\u65f6\u7a81\u53d8&#xff0c;\u4ea7\u751f\u91cd\u590d ID&#xff0c;\u5bfc\u81f4\u8ba2\u5355\u4e3b\u952e\u51b2\u7a81\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5ffd\u7565\u8fde\u63a5\u6c60\u7684\u7269\u7406\u6392\u961f&#xff1a;\n<ul>\n<li>\u5bf9\u7b56&#xff1a;Feign \u8c03\u7528\u7684\u6700\u5927\u8fde\u63a5\u6570\u5fc5\u987b\u4e0e Web \u5bb9\u5668\u7ebf\u7a0b\u6c60\u5339\u914d&#xff0c;\u9632\u6b62\u7531\u4e8e\u4e0b\u6e38\u6162\u54cd\u5e94\u5f15\u53d1\u7684\u7269\u7406\u6de4\u79ef\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5927\u4e8b\u52a1\u963b\u585e&#xff1a;\n<ul>\n<li>\u9677\u9631&#xff1a;\u5728 &#064;Transactional \u4e2d\u8c03\u7528\u4e86\u6781\u6162\u7684\u7b2c\u4e09\u65b9\u652f\u4ed8\u63a5\u53e3\u3002<\/li>\n<li>\u7269\u7406\u540e\u679c&#xff1a;\u6570\u636e\u5e93\u8fde\u63a5\u88ab\u957f\u65f6\u95f4\u5360\u7528&#xff0c;\u5bfc\u81f4\u5168\u7ad9 504 \u62a5\u9519\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5ffd\u7565\u53cd\u5e8f\u5217\u5316\u517c\u5bb9\u6027&#xff1a;\n<ul>\n<li>\u98ce\u9669&#xff1a;\u8ba2\u5355\u6a21\u578b\u589e\u52a0\u4e86\u5b57\u6bb5&#xff0c;\u4f46\u65e7\u7248\u672c\u7684\u4e0b\u6e38\u670d\u52a1\u65e0\u6cd5\u89e3\u6790&#xff0c;\u5bfc\u81f4\u751f\u4ea7\u73af\u5883\u7684\u6d88\u606f\u79ef\u538b\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u672c\u5730\u7f13\u5b58\u7684\u201c\u903b\u8f91\u5b64\u5c9b\u201d&#xff1a;\n<ul>\n<li>\u9677\u9631&#xff1a;\u5728\u8ba2\u5355\u670d\u52a1\u672c\u5730\u7f13\u5b58\u4e86\u914d\u7f6e\u4fe1\u606f&#xff0c;\u901a\u8fc7 Nacos \u4fee\u6539\u540e&#xff0c;\u90e8\u5206\u8282\u70b9\u7531\u4e8e\u5fc3\u8df3\u4e22\u5931\u672a\u540c\u6b65&#xff0c;\u5bfc\u81f4\u903b\u8f91\u4e0d\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<\/li>\n<hr \/>\n<h5>&#x1f4bb;&#x1f680; \u4ee3\u7801\u5b9e\u6218&#xff1a;\u9ad8\u53ef\u7528\u81ea\u6108\u578b\u5206\u5e03\u5f0f\u91cd\u8bd5\u5de5\u5177\u7c7b<\/h5>\n<p><span class=\"token comment\">\/* &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\n   \u4ee3\u7801\u5757 7&#xff1a;\u81ea\u6108\u578b\u5f02\u6b65\u91cd\u8bd5\u88c5\u9970\u5668<br \/>\n   \u7269\u7406\u672c\u8d28&#xff1a;\u5728\u7269\u7406\u7f51\u7edc\u73af\u5883\u4e0d\u53ef\u9760\u65f6&#xff0c;\u63d0\u4f9b\u903b\u8f91\u4e0a\u7684\u91cd\u8bd5\u4fdd\u969c<br \/>\n   &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; *\/<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ResilienceDecorator<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u5bf9\u6838\u5fc3 RPC \u8c03\u7528\u8fdb\u884c\u5e26\u9000\u907f\u7b97\u6cd5\u7684\u91cd\u8bd5\u5c01\u88c5<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">T<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token class-name\">T<\/span> <span class=\"token function\">executeWithRetry<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Supplier<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">T<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> action<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> maxAttempts<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> attempt <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>attempt <span class=\"token operator\">&lt;<\/span> maxAttempts<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> action<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                attempt<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u7269\u7406\u9000\u907f&#xff1a;\u968f\u7740\u5931\u8d25\u6b21\u6570\u589e\u52a0&#xff0c;\u5ef6\u957f\u7b49\u5f85\u65f6\u95f4&#xff0c;\u9632\u6b62\u51b2\u57ae\u4e0b\u6e38<\/span><br \/>\n                <span class=\"token keyword\">long<\/span> backoff <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">long<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">Math<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">pow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> attempt<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                log<span class=\"token punctuation\">.<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#x1f4e1; \u7269\u7406\u8c03\u7528\u5931\u8d25&#xff0c;\u6b63\u5728\u8fdb\u884c\u7b2c {} \u6b21\u91cd\u8bd5&#xff0c;\u7b49\u5f85 {}ms&#034;<\/span><span class=\"token punctuation\">,<\/span> attempt<span class=\"token punctuation\">,<\/span> backoff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token class-name\">Thread<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">sleep<\/span><span class=\"token punctuation\">(<\/span>backoff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">InterruptedException<\/span> ignored<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>attempt <span class=\"token operator\">&gt;&#061;<\/span> maxAttempts<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RuntimeException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u94fe\u8def\u5f7b\u5e95\u5d29\u6e83&#xff0c;\u89e6\u53d1\u7194\u65ad\u7b56\u7565&#034;<\/span><span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h4>&#x1f6e1;\ufe0f\u2705 \u7b2c\u5341\u7ae0&#xff1a;\u603b\u7ed3\u4e0e\u5c55\u671b\u2014\u2014\u6784\u5efa\u5177\u5907\u201c\u6f14\u8fdb\u57fa\u56e0\u201d\u7684\u81ea\u6108\u578b\u67b6\u6784<\/h4>\n<p>\u901a\u8fc7\u8fd9\u4e24\u90e8\u5206\u8de8\u8d8a\u7269\u7406\u5185\u6838\u3001\u903b\u8f91\u7f16\u6392\u4e0e\u7ebf\u4e0a\u907f\u5751\u7684\u6df1\u5ea6\u62c6\u89e3&#xff0c;\u6211\u4eec\u4ece\u5355\u4f53\u5de8\u517d\u7684\u574d\u584c\u804a\u5230\u4e86\u5fae\u670d\u52a1\u77e9\u9635\u7684\u7cbe\u5bc6\u8fd0\u8f6c\u3002<\/p>\n<h5>&#x1f9ec;&#x1f9e9; 10.1 \u6838\u5fc3\u601d\u60f3\u6c89\u6dc0<\/h5>\n<li>\u62c6\u5206\u662f\u624b\u6bb5&#xff0c;\u4e0d\u662f\u76ee\u7684&#xff1a;\u670d\u52a1\u62c6\u5206\u7684\u7ec8\u6781\u76ee\u6807\u662f\u5efa\u7acb\u5931\u6548\u9694\u79bb\u57df&#xff0c;\u800c\u4e0d\u662f\u5355\u7eaf\u4e3a\u4e86\u589e\u52a0\u6280\u672f\u590d\u6742\u5ea6\u3002<\/li>\n<li>\u4e00\u81f4\u6027\u662f\u5206\u7ea7\u7684&#xff1a;\u5728\u8ba2\u5355\u7cfb\u7edf\u4e2d&#xff0c;\u652f\u4ed8\u72b6\u6001\u662f\u5f3a\u4e00\u81f4\u7684&#xff0c;\u800c\u7269\u6d41\u8f68\u8ff9\u3001\u79ef\u5206\u53d8\u66f4\u5e94\u62e5\u62b1\u6700\u7ec8\u4e00\u81f4\u6027&#xff0c;\u4ee5\u6362\u53d6\u7cfb\u7edf\u7684\u541e\u5410\u91cf\u4e0a\u9650\u3002<\/li>\n<li>\u6cbb\u7406\u91cd\u4e8e\u7f16\u7801&#xff1a;\u91cd\u6784\u540e\u7684\u4ee3\u7801\u8d28\u91cf\u7531**\u76d1\u63a7\u3001\u8ffd\u8e2a&#xff08;Tracing&#xff09;\u548c\u65e5\u5fd7&#xff08;Logging&#xff09;**\u5171\u540c\u5b88\u62a4\u3002<\/li>\n<h5>&#x1f6e1;\ufe0f\u2696\ufe0f 10.2 \u672a\u6765\u7684\u5730\u5e73\u7ebf&#xff1a;Serverless \u4e0e\u81ea\u6108\u67b6\u6784<\/h5>\n<p>\u672a\u6765\u7684\u8ba2\u5355\u67b6\u6784\u5c06\u5411 Serverless&#xff08;\u65e0\u670d\u52a1\u5668\u5316&#xff09; \u8fdb\u4e00\u6b65\u8fc1\u5f99\u3002<\/p>\n<ul>\n<li>\u7269\u7406\u6f14\u8fdb&#xff1a;\u8ba2\u5355\u903b\u8f91\u5c06\u88ab\u8fdb\u4e00\u6b65\u62c6\u89e3\u4e3a\u66f4\u5fae\u5c0f\u7684 Function&#xff08;\u51fd\u6570&#xff09;\u3002<\/li>\n<li>\u81ea\u6108\u6027&#xff1a;\u7cfb\u7edf\u5c06\u5177\u5907\u201c\u81ea\u611f\u77e5\u201d\u80fd\u529b&#xff0c;\u5982\u679c\u68c0\u6d4b\u5230\u67d0\u6761\u652f\u4ed8\u94fe\u8def\u5ef6\u8fdf\u589e\u52a0&#xff0c;\u8c03\u5ea6\u5668\u4f1a\u81ea\u52a8\u7269\u7406\u6458\u9664\u8be5\u8def\u5f84&#xff0c;\u5e76\u5229\u7528 AI \u9884\u6d4b\u6a21\u578b\u63d0\u524d\u8fdb\u884c\u6269\u5bb9&#xff0c;\u5b9e\u73b0\u771f\u6b63\u7684\u201c\u65e0\u4eba\u9a7e\u9a76\u201d\u578b\u4ea4\u6613\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n<p>\u611f\u609f&#xff1a;\u5728\u7eb7\u7e41\u590d\u6742\u7684\u4ee3\u7801\u6d41\u8f6c\u4e2d&#xff0c;\u91cd\u6784\u662f\u5bf9\u903b\u8f91\u7684\u91cd\u5851&#xff0c;\u66f4\u662f\u5bf9\u7cfb\u7edf\u786e\u5b9a\u6027\u7684\u8ffd\u6c42\u3002\u638c\u63e1\u4e86\u5206\u5e03\u5f0f\u4e8b\u52a1\u4e0e\u6570\u636e\u4e00\u81f4\u6027\u7684\u7269\u7406\u5185\u6838&#xff0c;\u4f60\u4fbf\u62e5\u6709\u4e86\u5728\u6c79\u6d8c\u7684\u6280\u672f\u6d6a\u6f6e\u4e2d&#xff0c;\u7cbe\u51c6\u951a\u5b9a\u7cfb\u7edf\u72b6\u6001\u3001\u4fdd\u536b\u4e1a\u52a1\u5c0a\u4e25\u7684\u6307\u6325\u68d2\u3002<\/p>\n<p>\u613f\u4f60\u7684\u8ba2\u5355\u7cfb\u7edf\u6c38\u8fdc\u5e73\u7a33&#xff0c;\u613f\u4f60\u7684\u6570\u636e\u6c38\u8fdc\u5982\u78d0\u77f3\u822c\u51c6\u786e\u3002<\/p>\n<hr \/>\n<p>&#x1f525; \u89c9\u5f97\u8fd9\u7bc7\u6587\u7ae0\u5bf9\u4f60\u6709\u542f\u53d1&#xff1f;\u522b\u5fd8\u4e86\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u5173\u6ce8\u652f\u6301\u4e00\u4e0b&#xff01; &#x1f4ac; \u4e92\u52a8\u8bdd\u9898&#xff1a;\u4f60\u5728\u91cd\u6784\u5927\u578b\u5355\u4f53\u7cfb\u7edf\u65f6&#xff0c;\u9047\u5230\u8fc7\u6700\u4ee4\u4f60\u6293\u72c2\u7684\u201c\u6570\u636e\u4e0d\u4e00\u81f4\u201d\u573a\u666f\u662f\u4ec0\u4e48&#xff1f;\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u7559\u4e0b\u4f60\u7684\u7b14\u8bb0&#xff01;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u76ee\u5f55&#x1f3af;&#x1f525; \u8ba2\u5355\u7cfb\u7edf\u91cd\u6784\u53f2\u8bd7&#xff1a;\u4ece\u5355\u4f53\u5de8\u517d\u5230\u5fae\u670d\u52a1\u77e9\u9635\u7684\u6f14\u8fdb\u3001\u6570\u636e\u4e00\u81f4\u6027\u5185\u6838\u4e0e\u5206\u5e03\u5f0f\u4e8b\u52a1&#x1f4ca;&#x1f4cb; \u7b2c\u4e00\u7ae0&#xff1a;\u5f15\u8a00\u2014\u2014\u5355\u4f53\u5de8\u517d\u7684\u574d\u584c\u4e0e\u5fae\u670d\u52a1\u8fdb\u5316\u7684\u5fc5\u7136&#x1f9ec;&#x1f9e9; 1.1 \u903b\u8f91\u71b5\u589e\u7684\u7269\u7406\u8868\u73b0&#x1f6e1;\ufe0f\u2696\ufe0f 1.2 \u5fae\u670d\u52a1\u7684\u6838\u5fc3\u5951\u7ea6&#xff1a;\u89e3\u8026\u4e0e\u81ea\u6cbb&#x1f30d;&#x1f4c8; \u7b2c\u4e8c\u7ae0&#xff1a;\u7cbe\u5bc6\u5de5\u7a0b\u2014\u2014\u57fa\u4e8e\u9886\u57df\u9a71\u52a8&#xff08;DDD<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[8697,8696,99,3536,1348,1578,4403],"topic":[],"class_list":["post-78666","post","type-post","status-publish","format-standard","hentry","category-server","tag-8697","tag-8696","tag-java","tag-3536","tag-1348","tag-1578","tag-4403"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u8ba2\u5355\u7cfb\u7edf\u91cd\u6784\u53f2\u8bd7\uff1a\u4ece\u5355\u4f53\u5de8\u517d\u5230\u5fae\u670d\u52a1\u77e9\u9635\u7684\u6f14\u8fdb\u3001\u6570\u636e\u4e00\u81f4\u6027\u5185\u6838\u4e0e\u5206\u5e03\u5f0f\u4e8b\u52a1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/78666.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u8ba2\u5355\u7cfb\u7edf\u91cd\u6784\u53f2\u8bd7\uff1a\u4ece\u5355\u4f53\u5de8\u517d\u5230\u5fae\u670d\u52a1\u77e9\u9635\u7684\u6f14\u8fdb\u3001\u6570\u636e\u4e00\u81f4\u6027\u5185\u6838\u4e0e\u5206\u5e03\u5f0f\u4e8b\u52a1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u76ee\u5f55&#x1f3af;&#x1f525; \u8ba2\u5355\u7cfb\u7edf\u91cd\u6784\u53f2\u8bd7&#xff1a;\u4ece\u5355\u4f53\u5de8\u517d\u5230\u5fae\u670d\u52a1\u77e9\u9635\u7684\u6f14\u8fdb\u3001\u6570\u636e\u4e00\u81f4\u6027\u5185\u6838\u4e0e\u5206\u5e03\u5f0f\u4e8b\u52a1&#x1f4ca;&#x1f4cb; \u7b2c\u4e00\u7ae0&#xff1a;\u5f15\u8a00\u2014\u2014\u5355\u4f53\u5de8\u517d\u7684\u574d\u584c\u4e0e\u5fae\u670d\u52a1\u8fdb\u5316\u7684\u5fc5\u7136&#x1f9ec;&#x1f9e9; 1.1 \u903b\u8f91\u71b5\u589e\u7684\u7269\u7406\u8868\u73b0&#x1f6e1;\ufe0f\u2696\ufe0f 1.2 \u5fae\u670d\u52a1\u7684\u6838\u5fc3\u5951\u7ea6&#xff1a;\u89e3\u8026\u4e0e\u81ea\u6cbb&#x1f30d;&#x1f4c8; \u7b2c\u4e8c\u7ae0&#xff1a;\u7cbe\u5bc6\u5de5\u7a0b\u2014\u2014\u57fa\u4e8e\u9886\u57df\u9a71\u52a8&#xff08;DDD\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/78666.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-27T14:32:55+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/78666.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/78666.html\",\"name\":\"\u8ba2\u5355\u7cfb\u7edf\u91cd\u6784\u53f2\u8bd7\uff1a\u4ece\u5355\u4f53\u5de8\u517d\u5230\u5fae\u670d\u52a1\u77e9\u9635\u7684\u6f14\u8fdb\u3001\u6570\u636e\u4e00\u81f4\u6027\u5185\u6838\u4e0e\u5206\u5e03\u5f0f\u4e8b\u52a1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-02-27T14:32:55+00:00\",\"dateModified\":\"2026-02-27T14:32:55+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/78666.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/78666.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/78666.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u8ba2\u5355\u7cfb\u7edf\u91cd\u6784\u53f2\u8bd7\uff1a\u4ece\u5355\u4f53\u5de8\u517d\u5230\u5fae\u670d\u52a1\u77e9\u9635\u7684\u6f14\u8fdb\u3001\u6570\u636e\u4e00\u81f4\u6027\u5185\u6838\u4e0e\u5206\u5e03\u5f0f\u4e8b\u52a1\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u8ba2\u5355\u7cfb\u7edf\u91cd\u6784\u53f2\u8bd7\uff1a\u4ece\u5355\u4f53\u5de8\u517d\u5230\u5fae\u670d\u52a1\u77e9\u9635\u7684\u6f14\u8fdb\u3001\u6570\u636e\u4e00\u81f4\u6027\u5185\u6838\u4e0e\u5206\u5e03\u5f0f\u4e8b\u52a1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/78666.html","og_locale":"zh_CN","og_type":"article","og_title":"\u8ba2\u5355\u7cfb\u7edf\u91cd\u6784\u53f2\u8bd7\uff1a\u4ece\u5355\u4f53\u5de8\u517d\u5230\u5fae\u670d\u52a1\u77e9\u9635\u7684\u6f14\u8fdb\u3001\u6570\u636e\u4e00\u81f4\u6027\u5185\u6838\u4e0e\u5206\u5e03\u5f0f\u4e8b\u52a1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u76ee\u5f55&#x1f3af;&#x1f525; \u8ba2\u5355\u7cfb\u7edf\u91cd\u6784\u53f2\u8bd7&#xff1a;\u4ece\u5355\u4f53\u5de8\u517d\u5230\u5fae\u670d\u52a1\u77e9\u9635\u7684\u6f14\u8fdb\u3001\u6570\u636e\u4e00\u81f4\u6027\u5185\u6838\u4e0e\u5206\u5e03\u5f0f\u4e8b\u52a1&#x1f4ca;&#x1f4cb; \u7b2c\u4e00\u7ae0&#xff1a;\u5f15\u8a00\u2014\u2014\u5355\u4f53\u5de8\u517d\u7684\u574d\u584c\u4e0e\u5fae\u670d\u52a1\u8fdb\u5316\u7684\u5fc5\u7136&#x1f9ec;&#x1f9e9; 1.1 \u903b\u8f91\u71b5\u589e\u7684\u7269\u7406\u8868\u73b0&#x1f6e1;\ufe0f\u2696\ufe0f 1.2 \u5fae\u670d\u52a1\u7684\u6838\u5fc3\u5951\u7ea6&#xff1a;\u89e3\u8026\u4e0e\u81ea\u6cbb&#x1f30d;&#x1f4c8; \u7b2c\u4e8c\u7ae0&#xff1a;\u7cbe\u5bc6\u5de5\u7a0b\u2014\u2014\u57fa\u4e8e\u9886\u57df\u9a71\u52a8&#xff08;DDD","og_url":"https:\/\/www.wsisp.com\/helps\/78666.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-02-27T14:32:55+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"9 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/78666.html","url":"https:\/\/www.wsisp.com\/helps\/78666.html","name":"\u8ba2\u5355\u7cfb\u7edf\u91cd\u6784\u53f2\u8bd7\uff1a\u4ece\u5355\u4f53\u5de8\u517d\u5230\u5fae\u670d\u52a1\u77e9\u9635\u7684\u6f14\u8fdb\u3001\u6570\u636e\u4e00\u81f4\u6027\u5185\u6838\u4e0e\u5206\u5e03\u5f0f\u4e8b\u52a1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-02-27T14:32:55+00:00","dateModified":"2026-02-27T14:32:55+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/78666.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/78666.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/78666.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u8ba2\u5355\u7cfb\u7edf\u91cd\u6784\u53f2\u8bd7\uff1a\u4ece\u5355\u4f53\u5de8\u517d\u5230\u5fae\u670d\u52a1\u77e9\u9635\u7684\u6f14\u8fdb\u3001\u6570\u636e\u4e00\u81f4\u6027\u5185\u6838\u4e0e\u5206\u5e03\u5f0f\u4e8b\u52a1"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/78666","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=78666"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/78666\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=78666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=78666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=78666"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=78666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}