{"id":203580,"date":"2025-05-22T11:22:02","date_gmt":"2025-05-22T03:22:02","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203580\/"},"modified":"2025-05-22T11:22:02","modified_gmt":"2025-05-22T03:22:02","slug":"%e8%b7%a8%e5%a4%9a%e4%b8%aa%e6%9c%8d%e5%8a%a1%e7%9a%84%e4%ba%8b%e5%8a%a1%e6%93%8d%e4%bd%9c%e6%98%af%e4%b8%80%e7%a7%8d%e7%96%af%e7%8b%82%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203580\/","title":{"rendered":"\u8de8\u591a\u4e2a\u670d\u52a1\u7684\u4e8b\u52a1\u64cd\u4f5c\u662f\u4e00\u79cd\u75af\u72c2\u7684\u65b9\u6cd5"},"content":{"rendered":"

<\/b> <\/p>\n

\u8de8\u591a\u4e2a\u670d\u52a1\u7684\u4e8b\u52a1\u64cd\u4f5c\u662f\u4e00\u79cd\u75af\u72c2\u7684\u65b9\u6cd5<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\u300a\u8de8\u591a\u4e2a\u670d\u52a1\u7684\u4e8b\u52a1\u64cd\u4f5c\u662f\u4e00\u79cd\u75af\u72c2\u7684\u65b9\u6cd5\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9…\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n

<\/p>\n

\u56e2\u961f\u5728\u5fae\u670d\u52a1\u73af\u5883\u4e2d\u5fc5\u987b\u5904\u7406\u7684\u4f17\u591a\u590d\u6742\u95ee\u9898\u4e4b\u4e00\u5c31\u662f\u4e8b\u52a1\u3002\u8de8\u8d8a\u591a\u4e2a\u5fae\u670d\u52a1\u7684\u4e8b\u52a1\u3002\u4e0e\u5355\u4f53\u5e94\u7528\u7a0b\u5e8f\u4e0d\u540c\uff0c\u5355\u4f53\u5e94\u7528\u7a0b\u5e8f\u7684\u4e8b\u52a1\u901a\u5e38\u4f7f\u7528\u5355\u4e2a\u6570\u636e\u5e93\u548c @transactional
\u8fdb\u884c\u7ba1\u7406 \u6ce8\u89e3\uff0c\u5728\u5fae\u670d\u52a1\u4e2d\uff0c\u6bcf\u4e2a\u670d\u52a1\u5f80\u5f80\u90fd\u6709\u81ea\u5df1\u7684\u6570\u636e\u5e93\uff0c\u4f7f\u5f97\u5206\u5e03\u5f0f\u4e8b\u52a1\u53d8\u5f97\u66f4\u52a0\u590d\u6742\u3002\u8fd9\u662f\u6709\u5173\u5982\u4f55\u5728 spring boot \u4e2d\u6709\u6548\u5904\u7406\u8fd9\u4e9b\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u6307\u5357\u3002<\/p>\n

\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u5148\u5c31\u4ec0\u4e48\u662f\u4ea4\u6613\u8fbe\u6210\u4e00\u81f4\u3002<\/strong><\/p>\n

\n

\u4e8b\u52a1\u662f\u8ba1\u7b97\u6216\u6570\u636e\u5e93\u73af\u5883\u4e2d\u7684\u4e00\u4e2a\u5de5\u4f5c\u5355\u5143\uff0c\u88ab\u89c6\u4e3a\u5355\u4e2a\u4e0d\u53ef\u5206\u5272\u7684\u64cd\u4f5c\u3002\u5b83\u4ee3\u8868\u4e00\u7cfb\u5217\u5fc5\u987b\u4e00\u8d77\u6210\u529f\u6216\u4e00\u8d77\u5931\u8d25\u7684\u64cd\u4f5c\u6216\u6b65\u9aa4\uff0c\u5373\u4f7f\u5728\u53d1\u751f\u610f\u5916\u4e8b\u4ef6\uff08\u4f8b\u5982\u65ad\u7535\u6216\u7f51\u7edc\u6545\u969c\uff09\u65f6\u4e5f\u80fd\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027<\/em>\u3002<\/p>\n<\/blockquote>\n

\u5728\u6570\u636e\u5e93\u4e0a\u4e0b\u6587\u4e2d\uff0c\u4e8b\u52a1\u53ef\u80fd\u6d89\u53ca\u591a\u4e2a\u67e5\u8be2\uff0c\u4f8b\u5982\u521b\u5efa\u3001\u66f4\u65b0\u6216\u5220\u9664\u8bb0\u5f55\u3002\u4ea4\u6613\u901a\u5e38\u9075\u5faa\u56db\u4e2a\u57fa\u672c\u5c5e\u6027\uff0c\u79f0\u4e3a acid \u5c5e\u6027\uff1a<\/p>\n

a. \u539f\u5b50\u6027<\/em><\/strong> – \u4e8b\u52a1\u4e2d\u7684\u6240\u6709\u64cd\u4f5c\u90fd\u88ab\u89c6\u4e3a\u5355\u4e2a\u5355\u5143\u3002\u8981\u4e48\u6240\u6709\u64cd\u4f5c\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u3002<\/p>\n

b. \u4e00\u81f4\u6027<\/em><\/strong> – \u4e8b\u52a1\u5c06\u7cfb\u7edf\u4ece\u4e00\u79cd\u6709\u6548\u72b6\u6001\u8f6c\u79fb\u5230\u53e6\u4e00\u79cd\u6709\u6548\u72b6\u6001\uff0c\u4ece\u800c\u4fdd\u6301\u6570\u636e\u6709\u6548\u6027\u3002<\/p>\n

c. \u9694\u79bb<\/em><\/strong> – \u4e8b\u52a1\u662f\u9694\u79bb\u6267\u884c\u7684\uff0c\u8fd9\u610f\u5473\u7740\u4e2d\u95f4\u72b6\u6001\u5bf9\u5176\u4ed6\u4e8b\u52a1\u4e0d\u53ef\u89c1\u3002<\/p>\n

d. \u6301\u4e45\u6027<\/em><\/strong> – \u4e8b\u52a1\u4e00\u65e6\u63d0\u4ea4\uff0c\u5176\u66f4\u6539\u5c31\u662f\u6c38\u4e45\u6027\u7684\uff0c\u5e76\u4e14\u5728\u7cfb\u7edf\u5d29\u6e83\u65f6\u4e5f\u80fd\u5e78\u5b58\u3002<\/p>\n

\n

\u4e00\u4e2a\u77ed\u7bc7\u6545\u4e8b<\/strong><\/p>\n

\u5728\u4e00\u4e2a\u7e41\u5fd9\u7684\u7535\u5b50\u5546\u52a1\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u60f3\u8c61\u4e00\u4e0b\u5ba2\u6237 alice \u8ba2\u8d2d\u4e86\u4e00\u53f0\u65b0\u7b14\u8bb0\u672c\u7535\u8111\u3001\u4e00\u4e2a\u914d\u4ef6\u548c\u5feb\u9012\u3002\u4ee5\u4e0b\u662f\u5979\u7684\u8ba2\u5355\u5982\u4f55\u5728\u7531 ordersagaorchestrator \u7ba1\u7406\u7684\u7cfb\u7edf\u4e2d\u6d41\u52a8\u7684\u5e55\u540e\u6545\u4e8b\u3002<\/p>\n

\u5728\u4e00\u4e2a\u7e41\u5fd9\u7684\u7535\u5b50\u5546\u52a1\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u60f3\u8c61\u4e00\u4e0b\u5ba2\u6237 alice \u8ba2\u8d2d\u4e86\u4e00\u53f0\u65b0\u7b14\u8bb0\u672c\u7535\u8111\u3001\u4e00\u4e2a\u914d\u4ef6\u548c\u5feb\u9012\u3002\u4ee5\u4e0b\u662f\u5979\u7684\u8ba2\u5355\u5982\u4f55\u5728\u7531 ordersagaorchestrator \u7ba1\u7406\u7684\u7cfb\u7edf\u4e2d\u6d41\u52a8\u7684\u5e55\u540e\u6545\u4e8b\u3002<\/p>\n

alice \u8f93\u5165\u4ed8\u6b3e\u548c\u9001\u8d27\u4fe1\u606f\u540e\u70b9\u51fb\u201c\u7acb\u5373\u8ba2\u8d2d\u201d\u3002\u6b64\u64cd\u4f5c\u542f\u52a8\u4e86\u4e00\u4e2a\u79f0\u4e3a\u4f20\u5947\u7684\u6d41\u7a0b\uff0c\u8fd9\u662f\u4e00\u7cfb\u5217\u7cbe\u5fc3\u7b56\u5212\u7684\u4ea4\u6613\uff0c\u4ee5\u786e\u4fdd\u5979\u7684\u8ba2\u5355\u4ece\u5934\u5230\u5c3e\u5f97\u5230\u6b63\u786e\u5904\u7406\u3002<\/p>\n

\u7b2c 1 \u6b65\uff1a\u4ed8\u6b3e\u5904\u7406<\/strong>
saga \u7f16\u6392\u5668\u9996\u5148\u68c0\u67e5 paymentservice\uff0c\u53d1\u8d77\u8c03\u7528\u4ee5\u4ece alice \u7684\u5e10\u6237\u4e2d\u6263\u9664\u6240\u9700\u7684\u91d1\u989d\u3002\u8c03\u7528 paymentservice.processpayment() \u65b9\u6cd5\uff0c\u6388\u6743 alice \u4ed8\u6b3e\u3002<\/p>\n

\u7b2c2\u6b65\uff1a\u5e93\u5b58\u9884\u8ba2<\/strong>
\u4e00\u65e6\u4ed8\u6b3e\u6210\u529f\uff0c\u534f\u8c03\u5668\u5c31\u4f1a\u8f6c\u79fb\u5230 inventoryservice\uff0c\u5728\u90a3\u91cc\u4e3a alice \u4fdd\u7559\u7279\u5b9a\u7684\u7b14\u8bb0\u672c\u7535\u8111\u578b\u53f7\u548c\u914d\u4ef6\u3002\u6b64\u9884\u8ba2\u6b65\u9aa4\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u4fbf\u5728\u8ba2\u5355\u4ecd\u5728\u5904\u7406\u671f\u95f4\uff0c\u5e93\u5b58\u4e0d\u4f1a\u552e\u5b8c\u6216\u4ea4\u7ed9\u5176\u4ed6\u5ba2\u6237\u3002<\/p>\n

\u7b2c 3 \u6b65\uff1a\u53d1\u8d27\u542f\u52a8<\/strong>
\u6210\u529f\u9884\u8ba2\u5e93\u5b58\u540e\uff0csaga \u534f\u8c03\u5668\u5c06\u8054\u7cfb shippingservice\u3002\u5728\u8fd9\u91cc\uff0cshippingservice.initiateshipping() \u542f\u52a8\u7269\u6d41\uff0c\u786e\u4fdd\u7269\u54c1\u5305\u88c5\u597d\u5e76\u51c6\u5907\u597d\u8fd0\u9001\u5230 alice \u7684\u5730\u5740\u3002<\/p>\n

\u5904\u7406\u5931\u8d25\uff1a\u8865\u507f\u903b\u8f91<\/strong><\/p>\n

\u4f46\u662f\u5728\u5206\u5e03\u5f0f\u73af\u5883\u4e2d\uff0c\u4efb\u4f55\u4e00\u6b65\u90fd\u53ef\u80fd\u51fa\u9519\u3002\u5982\u679c\u7531\u4e8e\u7269\u6d41\u9519\u8bef\u5bfc\u81f4\u53d1\u8d27\u542f\u52a8\u5931\u8d25\uff0c\u6216\u8005\u7531\u4e8e\u5e93\u5b58\u5dee\u5f02\u800c\u5b9e\u9645\u4e0a\u65e0\u6cd5\u5c65\u884c\u5e93\u5b58\u600e\u4e48\u529e\uff1f\u534f\u8c03\u5668\u5df2\u51c6\u5907\u597d\u8865\u507f\u7b56\u7565\u3002<\/p>\n

\u5982\u679c\u629b\u51fa\u5f02\u5e38\uff0c\u534f\u8c03\u5668\u5c06\u542f\u52a8\u8865\u507f\u4e8b\u52a1\u4ee5\u56de\u6eda\u6574\u4e2a\u8fc7\u7a0b\uff0c\u56e0\u6b64 alice \u4e0d\u4f1a\u4e3a\u5979\u4e0d\u4f1a\u6536\u5230\u7684\u7269\u54c1\u4ed8\u8d39\uff1a<\/p>\n

3.1\u3002\u53d6\u6d88\u53d1\u8d27<\/strong> – \u534f\u8c03\u5668\u8c03\u7528shippingservice.cancelshipping()\uff0c\u505c\u6b62\u53d1\u8d27\u3002<\/p>\n

3.2\u3002\u91ca\u653e\u5e93\u5b58<\/strong> – \u7136\u540e\u89e6\u53d1 inventoryservice.releaseinventory()\uff0c\u91ca\u653e alice \u7684\u4fdd\u7559\u7269\u54c1\uff0c\u4ee5\u4fbf\u5176\u4ed6\u5ba2\u6237\u53ef\u4ee5\u8d2d\u4e70\u5b83\u4eec\u3002<\/p>\n

3.3\u3002\u9000\u6b3e<\/strong> – \u6700\u540e\uff0c\u5b83\u8c03\u7528 paymentservice.refund() \u6765\u9000\u8fd8 alice \u7684\u4ed8\u6b3e\uff0c\u786e\u4fdd\u5979\u4e0d\u4f1a\u4e3a\u8ba2\u5355\u4ed8\u8d39\u3002<\/p>\n

\u6700\u540e\uff0c\u8fd9\u4e2a\u7cbe\u5fc3\u7b56\u5212\u7684\u4f20\u5947\u786e\u4fdd\u4e86 alice \u7684\u4f53\u9a8c\u6d41\u7545\u4e14\u4e00\u81f4\uff0c\u5982\u679c\u51fa\u73b0\u4efb\u4f55\u95ee\u9898\uff0c\u90fd\u4f1a\u4ee5\u7ef4\u62a4\u7cfb\u7edf\u5b8c\u6574\u6027\u7684\u65b9\u5f0f\u89e3\u51b3\u3002\u8fd9\u5c31\u662f\u5fae\u670d\u52a1\u4e2d\u5206\u5e03\u5f0f\u4e8b\u52a1\u548c\u8865\u507f\u903b\u8f91\u7684\u9b54\u529b\u3002<\/p>\n

\n

\u73b0\u5728\u6211\u4eec\u77e5\u9053\u4e86\u4ec0\u4e48\u662f\u4e8b\u52a1\u5e76\u4e86\u89e3\u4e86\u4e8b\u52a1\u53ef\u80fd\u6709\u7528\u7684\u73b0\u5b9e\u573a\u666f\uff0c\u8ba9\u6211\u4eec\u6df1\u5165\u7814\u7a76\u5982\u4f55\u5728\u5206\u5e03\u5f0f\u73af\u5883\u4e2d\u5b9e\u73b0\u6b64\u529f\u80fd\u3002<\/p>\n

\u56e2\u961f\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u5173\u952e\u65b9\u6cd5\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898<\/p>\n

1\u3002 saga \u6a21\u5f0f\uff1a<\/strong> saga \u6a21\u5f0f\u662f\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\u5904\u7406\u5206\u5e03\u5f0f\u4e8b\u52a1\u6700\u5e7f\u6cdb\u4f7f\u7528\u7684\u6a21\u5f0f\u4e4b\u4e00\u3002\u4f20\u5947\u662f\u6bcf\u4e2a\u670d\u52a1\u72ec\u7acb\u6267\u884c\u7684\u672c\u5730\u4e8b\u52a1\u5e8f\u5217\u3002 saga \u4e2d\u7684\u6bcf\u4e00\u6b65\u90fd\u4f1a\u901a\u8fc7\u4e00\u4e2a\u64cd\u4f5c\u6765\u8865\u507f\uff0c\u5982\u679c saga \u5931\u8d25\uff0c\u8be5\u64cd\u4f5c\u4f1a\u64a4\u6d88\u8be5\u6b65\u9aa4\u3002<\/p>\n

saga \u6a21\u5f0f\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u4e3b\u8981\u65b9\u5f0f\u5b9e\u73b0\uff1a<\/p>\n

    \n
  1. \n

    a\u3002 \u57fa\u4e8e\u7f16\u6392\u7684 saga\uff1a<\/em> \u4e8b\u52a1\u4e2d\u6d89\u53ca\u7684\u6bcf\u4e2a\u670d\u52a1\u90fd\u4f1a\u4fa6\u542c\u4e8b\u4ef6\u5e76\u6267\u884c\u5176\u4e8b\u52a1\u3002\u5b8c\u6210\u540e\uff0c\u5b83\u4f1a\u53d1\u51fa\u4e00\u4e2a\u4e8b\u4ef6\u6765\u89e6\u53d1\u4f20\u5947\u4e2d\u7684\u4e0b\u4e00\u6b65\u3002\u5982\u679c\u67d0\u4e2a\u6b65\u9aa4\u5931\u8d25\uff0c\u5219\u4f1a\u89e6\u53d1\u8865\u507f\u4e8b\u4ef6\u4ee5\u64a4\u6d88\u4e4b\u524d\u7684\u6b65\u9aa4\u3002<\/p>\n<\/li>\n

  2. \n

    b\u3002 \u57fa\u4e8e\u7f16\u6392\u7684 saga\uff1a<\/em> \u96c6\u4e2d\u5f0f\u670d\u52a1\uff08saga \u7f16\u6392\u5668\uff09\u534f\u8c03 saga \u7684\u6b65\u9aa4\u3002\u5b83\u786e\u5b9a\u64cd\u4f5c\u987a\u5e8f\u5e76\u7ba1\u7406\u53d1\u751f\u6545\u969c\u65f6\u7684\u8865\u507f\u3002<\/p>\n<\/li>\n<\/ol>\n

    2\u3002\u4e24\u9636\u6bb5\u63d0\u4ea4\uff082pc\uff09\uff1a<\/strong> \u867d\u7136\u4e24\u9636\u6bb5\u63d0\u4ea4\u534f\u8bae\u901a\u5e38\u7528\u4e8e\u5355\u4f53\u7cfb\u7edf\uff0c\u4f46\u5b83\u53ef\u4ee5\u901a\u8fc7 atomikos \u6216 bitronix \u7b49\u5206\u5e03\u5f0f\u4e8b\u52a1\u7ba1\u7406\u5668\u8de8\u5206\u5e03\u5f0f\u7cfb\u7edf\u4f7f\u7528\u3002\u4f46\u662f\uff0c\u6211\u4e0d\u63a8\u8350\u8fd9\u79cd\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u5728\u5fae\u670d\u52a1\u4e0a\u4e0b\u6587\u4e2d\u5b58\u5728\u4e00\u4e9b\u9650\u5236\uff0c\u56e0\u4e3a\u5b83\u4f1a\u5bfc\u81f4\u9ad8\u5ef6\u8fdf\u5e76\u4e14\u5bb9\u9519\u80fd\u529b\u8f83\u5dee\u3002\u5982\u679c\u6211\u662f\u4f60\uff0c\u6211\u901a\u5e38\u4f1a\u907f\u514d\u8fd9\u79cd\u65b9\u6cd5\uff0c\u800c\u9009\u62e9 saga \u6a21\u5f0f\u3002<\/p>\n

    3\u3002\u4e8b\u4ef6\u9a71\u52a8\u67b6\u6784\uff1a<\/strong> \u4f7f\u7528\u4e8b\u4ef6\u9a71\u52a8\u65b9\u6cd5\uff0c\u670d\u52a1\u901a\u8fc7\u4e8b\u4ef6\u8fdb\u884c\u901a\u4fe1\uff0c\u7279\u522b\u9002\u5408\u5904\u7406\u5206\u5e03\u5f0f\u4e8b\u52a1\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0e saga \u6a21\u5f0f\u975e\u5e38\u543b\u5408\u3002\u6bcf\u4e2a\u670d\u52a1\u72ec\u7acb\u6267\u884c\u5176\u4e8b\u52a1\uff0c\u7136\u540e\u53d1\u51fa\u4e00\u4e2a\u4e8b\u4ef6\u4ee5\u901a\u77e5\u5176\u4ed6\u670d\u52a1\u6709\u5173\u7ed3\u679c\u3002\u8fd9\u4e9b\u4e8b\u4ef6\u53ef\u4ee5\u4f7f\u7528 apache kafka\u3001rabbitmq \u6216\u5176\u4ed6\u6d88\u606f\u4ee3\u7406\u6765\u5904\u7406\u3002<\/p>\n

    \u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u770b\u770b\u5b83\u5728\u4ee3\u7801\u4e2d\u662f\u5982\u4f55\u5de5\u4f5c\u7684\u3002<\/strong><\/p>\n

    saga \u6a21\u5f0f\u6709\u591a\u79cd\u98ce\u683c\uff0c\u4f46\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5c06\u5c1d\u8bd5\u5728 spring boot \u4e2d\u5b9e\u73b0\u57fa\u4e8e\u7f16\u6392\u7684 saga \u6a21\u5f0f\uff1a<\/p>\n

    \u7b2c 1 \u6b65\uff1a<\/strong> \u5b9a\u4e49 saga orchestrator\uff1a<\/strong><\/em>
    \u5728\u8fd9\u91cc\uff0c\u6211\u5c06\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u670d\u52a1\u6765\u5145\u5f53\u534f\u8c03\u5668\uff0c\u8d1f\u8d23\u534f\u8c03\u4e8b\u52a1\u3002 <\/p>\n

    \u8be5\u670d\u52a1\u5c06\u5b9a\u4e49\u4f20\u5947\u7684\u6d41\u7a0b\uff0c\u4ee5\u6b63\u786e\u7684\u987a\u5e8f\u8c03\u7528\u6bcf\u4e2a\u670d\u52a1\uff0c\u5e76\u5728\u9700\u8981\u65f6\u5904\u7406\u8865\u507f\u4e8b\u52a1\u3002<\/p>\n

    @service\npublic class ordersagaorchestrator {\n\n    @autowired\n    private paymentservice paymentservice;\n\n    @autowired\n    private inventoryservice inventoryservice;\n\n    @autowired\n    private shippingservice shippingservice;\n\n    public void createordersaga(order order) {\n        try {\n            paymentservice.processpayment(order.getpaymentdetails());\n            inventoryservice.reserveinventory(order.getitems());\n            shippingservice.initiateshipping(order.getshippingdetails());\n        } catch (exception e) {\n            \/\/ compensation logic\n            shippingservice.cancelshipping(order.getshippingid());\n            inventoryservice.releaseinventory(order.getitems());\n            paymentservice.refund(order.getpaymentid());\n        }\n    }\n}\n<\/pre>\n
    \u7b2c 2 \u6b65\uff1a<\/strong> \u5728\u6bcf\u4e2a\u670d\u52a1\u4e2d\u521b\u5efa\u672c\u5730\u4e8b\u52a1\u548c\u8865\u507f\u65b9\u6cd5\uff1a<\/strong><\/em><\/p>\n
    \u6bcf\u4e2a\u670d\u52a1\u90fd\u5e94\u8be5\u6709\u81ea\u5df1\u7684\u4e8b\u52a1\u6765\u5b8c\u6210\u5176\u5728\u4f20\u5947\u4e2d\u7684\u6b65\u9aa4\uff0c\u5e76\u5728\u9700\u8981\u65f6\u4f7f\u7528\u53e6\u4e00\u4e2a\u4e8b\u52a1\u6765\u8865\u507f\u5b83\u3002\u8fd9\u662f\u5927\u6982\u7684\u7ed3\u6784\u3002<\/p>\n
    @service\npublic class paymentservice {\n\n    @transactional\n    public void processpayment(paymentdetails details) {\n        \/\/ perform payment logic\n    }\n\n    @transactional\n    public void refund(string paymentid) {\n        \/\/ perform refund logic\n    }\n}\n<\/pre>\n
    \u7b2c 3 \u6b65\uff1a<\/strong> \u57fa\u4e8e\u4e8b\u4ef6\u7684\u901a\u4fe1<\/strong><\/em>\uff08\u53ef\u9009\uff0c\u7528\u4e8e\u7f16\u6392\uff09\uff1a\u6bcf\u4e2a\u670d\u52a1\u90fd\u53ef\u4ee5\u53d1\u51fa\u4e8b\u4ef6\u6765\u901a\u77e5\u5176\u4ed6\u4eba\u4ea4\u6613\u7684\u7ed3\u679c\u3002<\/p>\n
    public class paymentservice {\n\n    private final applicationeventpublisher eventpublisher;\n\n    public paymentservice(applicationeventpublisher eventpublisher) {\n        this.eventpublisher = eventpublisher;\n    }\n\n    public void processpayment(paymentdetails details) {\n        \/\/ process payment\n        eventpublisher.publishevent(new paymentprocessedevent(this, details));\n    }\n}\n<\/pre>\n
    \u7b2c 4 \u6b65\uff1a<\/strong> \u91c7\u53d6\u63aa\u65bd\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\uff1a<\/strong><\/em>\u4f7f\u7528\u5e42\u7b49\u6027\u68c0\u67e5\u6765\u786e\u4fdd saga \u4e2d\u7684\u6bcf\u4e2a\u6b65\u9aa4\u4ec5\u6267\u884c\u4e00\u6b21\u3002\u8fd9\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u5f88\u91cd\u8981\uff0c\u56e0\u4e3a\u7f51\u7edc\u6545\u969c\u6216\u91cd\u8bd5\u53ef\u80fd\u4f1a\u5bfc\u81f4\u91cd\u590d\u8bf7\u6c42\u3002<\/p>\n
    \u7b2c 5 \u6b65\uff1a<\/strong> \u4f7f\u7528\u6d88\u606f\u4ee3\u7406\u6765\u63d0\u9ad8\u53ef\u9760\u6027\uff1a<\/strong><\/em>\u5982\u679c\u60a8\u4f7f\u7528\u4e8b\u4ef6\u6765\u7ba1\u7406\u4f20\u5947\uff0c\u53ef\u4ee5\u4f7f\u7528\u50cf rabbitmq \u7684 kafka \u8fd9\u6837\u7684\u6d88\u606f\u4ee3\u7406\u6301\u4e45\u6027\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u670d\u52a1\u6682\u65f6\u4e0d\u53ef\u7528\u65f6\u7f13\u51b2\u4e8b\u4ef6\u3002<\/p>\n
    \u7b2c 6 \u6b65\uff1a<\/strong> \u9519\u8bef\u5904\u7406\u548c\u91cd\u8bd5\uff1a<\/strong><\/em> \u5c06\u9519\u8bef\u5904\u7406\u548c\u91cd\u8bd5\u903b\u8f91\u5408\u5e76\u5230\u60a8\u7684\u534f\u8c03\u5668\u548c\u5404\u4e2a\u670d\u52a1\u4e2d\u4ee5\u5904\u7406\u4e34\u65f6\u6545\u969c\u3002 spring retry \u5728\u8fd9\u91cc\u5f88\u6709\u7528\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u5728\u53ef\u914d\u7f6e\u7b56\u7565\u4e2d\u81ea\u52a8\u91cd\u8bd5\u5931\u8d25\u7684\u64cd\u4f5c\u3002<\/p>\n
    @Retryable(value = {RemoteServiceException.class}, maxAttempts = 3, backoff = @Backoff(delay = 2000))\npublic void reserveInventory(List<Item> items) {\n    \/\/ Attempt to reserve inventory\n}\n<\/pre>\n
    \u7ed3\u8bba<\/strong><\/p>\n
    \u5fae\u670d\u52a1\u4e2d\u7684\u5206\u5e03\u5f0f\u4e8b\u52a1\u5177\u6709\u6311\u6218\u6027\uff0c\u4f46\u901a\u8fc7\u4f7f\u7528 saga\uff08\u5c24\u5176\u662f\u7f16\u6392\uff09\u548c\u4e8b\u4ef6\u9a71\u52a8\u901a\u4fe1\u7b49\u6a21\u5f0f\uff0c\u60a8\u53ef\u4ee5\u5b9e\u73b0\u53ef\u9760\u4e14\u53ef\u6269\u5c55\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n
    spring boot \u901a\u8fc7\u63d0\u4f9b\u5bf9\u4e8b\u52a1\u7ba1\u7406\u3001\u4e8b\u4ef6\u53d1\u5e03\u4ee5\u53ca\u4e0e\u6d88\u606f\u4ee3\u7406\u96c6\u6210\u7684\u652f\u6301\uff0c\u4f7f\u8fd9\u4e00\u5207\u53d8\u5f97\u66f4\u5bb9\u6613\u3002 <\/p>\n
    \u6700\u540e\uff0c\u8fd9\u4e2a\u7cbe\u5fc3\u7b56\u5212\u7684\u4f20\u5947\u786e\u4fdd\u4e86 alice \u7684\u4f53\u9a8c\u6d41\u7545\u4e14\u4e00\u81f4\uff0c\u5982\u679c\u51fa\u73b0\u4efb\u4f55\u95ee\u9898\uff0c\u90fd\u4f1a\u4ee5\u7ef4\u62a4\u7cfb\u7edf\u5b8c\u6574\u6027\u7684\u65b9\u5f0f\u89e3\u51b3\u3002\u8fd9\u5c31\u662f\u5fae\u670d\u52a1\u4e2d\u5206\u5e03\u5f0f\u4e8b\u52a1\u548c\u8865\u507f\u903b\u8f91\u7684\u9b54\u529b\u3002<\/p>\n
    \u672c\u7bc7\u5173\u4e8e\u300a\u8de8\u591a\u4e2a\u670d\u52a1\u7684\u4e8b\u52a1\u64cd\u4f5c\u662f\u4e00\u79cd\u75af\u72c2\u7684\u65b9\u6cd5\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n
          \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u8de8\u591a\u4e2a\u670d\u52a1\u7684\u4e8b\u52a1\u64cd\u4f5c\u662f\u4e00\u79cd\u75af\u72c2\u7684...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203580","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203580","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203580"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203580\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203580"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203580"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}