{"id":97459,"date":"2026-08-29T15:08:46","date_gmt":"2026-08-29T07:08:46","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/97459.html"},"modified":"2026-08-29T15:08:46","modified_gmt":"2026-08-29T07:08:46","slug":"%e6%8a%98%e6%97%a7%e5%90%8c%e6%ad%a5%e6%b6%88%e8%b4%b9%e4%be%a7%e6%94%b9%e9%80%a0%ef%bc%9a%e6%a8%a1%e6%9d%bf%e6%96%b9%e6%b3%95%e6%8a%bd%e8%b1%a1%e4%b8%8e-upsert-%e5%b9%82%e7%ad%89%e7%9a%84%e5%ae%9e","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/97459.html","title":{"rendered":"\u6298\u65e7\u540c\u6b65\u6d88\u8d39\u4fa7\u6539\u9020\uff1a\u6a21\u677f\u65b9\u6cd5\u62bd\u8c61\u4e0e Upsert \u5e42\u7b49\u7684\u5b9e\u6218\u843d\u5730"},"content":{"rendered":"

\u4ece\u4e94\u79cd Handler \u590d\u5236\u7c98\u8d34\u8bf4\u8d77<\/h3>\n

\u8d22\u52a1\u670d\u52a1\u8981\u6d88\u8d39\u7684\u540c\u6b65\u4e8b\u4ef6\u4e0d\u6b62\u4e00\u79cd：\u6298\u65e7\u8ba1\u63d0\u660e\u7ec6\u7684 UPSERT\u3001\u6298\u65e7\u51b2\u9500\u7684 DELETE\u3001\u8d44\u4ea7\u5361\u7247\u4e3b\u6570\u636e\u53d8\u66f4\u3001\u5355\u636e\u72b6\u6001\u6d41\u8f6c\u3001\u671f\u672b\u7ed3\u8f6c\u6807\u5fd7\u3002\u7b2c\u4e00\u7248\u7684\u5b9e\u73b0\u662f\u4e94\u79cd\u4e8b\u4ef6\u4e94\u4e2a Handler，\u6bcf\u4e2a\u90fd\u81ea\u5df1\u5199\u4e00\u904d\u5b8c\u6574\u7684\u6d88\u8d39\u6d41\u7a0b\u3002<\/p>\n

\u5199\u5b8c\u56de\u5934\u770b，\u4e94\u4e2a\u7c7b\u51e0\u4e4e\u662f\u4e00\u4e2a\u6a21\u5b50\u523b\u51fa\u6765\u7684：<\/p>\n

\/\/ \u4e94\u4e2a Handler \u91cc\u91cd\u590d\u51fa\u73b0\u4e94\u6b21\u7684\u6bb5\u843d<\/span>
\npublic<\/span> void<\/span> onMessage<\/span>(<\/span>MessageExt<\/span> message)<\/span> {<\/span>
\n SyncEvent<\/span> event =<\/span> parse<\/span>(<\/span>message)<\/span>;<\/span>
\n try<\/span> {<\/span>
\n doBiz<\/span>(<\/span>event)<\/span>;<\/span> \/\/ \u552f\u4e00\u4e0d\u540c\u7684\u5730\u65b9<\/span>
\n logProcessed<\/span>(<\/span>event.<\/span>getMsgId<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n }<\/span> catch<\/span> (<\/span>BizException<\/span> e)<\/span> {<\/span>
\n saveRetry<\/span>(<\/span>event,<\/span> e)<\/span>;<\/span> \/\/ \u843d\u91cd\u8bd5\u8868<\/span>
\n }<\/span> catch<\/span> (<\/span>Exception<\/span> e)<\/span> {<\/span>
\n log.<\/span>error<\/span>(<\/span>"unknown error"<\/span>,<\/span> e)<\/span>;<\/span>
\n throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e)<\/span>;<\/span> \/\/ \u8ba9 MQ \u91cd\u8bd5<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u771f\u6b63\u7684\u4e1a\u52a1\u5dee\u5f02\u53ea\u6709 doBiz \u90a3\u5341\u51e0\u884c，\u5305\u88f9\u5b83\u7684\u5374\u662f\u4e94\u4efd\u5b8c\u5168\u76f8\u540c\u7684\u89e3\u6790\u3001\u5f02\u5e38\u5206\u6d41\u3001\u91cd\u8bd5\u767b\u8bb0\u4ee3\u7801\u3002\u8fd9\u79cd\u91cd\u590d\u7684\u4ee3\u4ef7\u4e0d\u662f\u884c\u6570\u2014\u2014\u662f\u53d1\u6563\u3002\u6539\u4e00\u6b21\u5e42\u7b49\u903b\u8f91\u8981\u6539\u4e94\u4e2a\u5730\u65b9，\u6709\u4e00\u6b21\u6539\u6f0f\u4e86\u4e00\u4e2a Handler，\u90a3\u4e2a\u7c7b\u578b\u7684\u4e8b\u4ef6\u5c31\u5728\u6ca1\u6709\u5e42\u7b49\u4fdd\u62a4\u7684\u72b6\u6001\u4e0b\u88f8\u5954\u4e86\u5c0f\u534a\u4e2a\u6708，\u76f4\u5230\u538b\u6d4b\u91cd\u653e\u624d\u66b4\u9732\u3002<\/p>\n

\u95ee\u9898\u4e0d\u662f\u4ee3\u7801\u5199\u5f97\u7cd9，\u662f\u6d41\u7a0b\u672c\u8eab\u6709"\u9aa8\u67b6+\u7ec6\u8282"\u7684\u7ed3\u6784，\u800c\u4ee3\u7801\u6ca1\u6709\u8868\u8fbe\u8fd9\u4e2a\u7ed3\u6784\u3002\u8fd9\u6b63\u662f\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u7684\u7528\u6b66\u4e4b\u5730\u2014\u2014\u8bf4\u6765\u60ed\u6127，\u4e4b\u524d\u6574\u7406\u6a21\u677f\u65b9\u6cd5\u7684\u5b66\u4e60\u7b14\u8bb0\u65f6，\u6211\u5bf9\u5b83\u7684\u5370\u8c61\u4e00\u76f4\u505c\u7559\u5728"abstract class \u7684\u6559\u79d1\u4e66\u7528\u6cd5"，\u89c9\u5f97\u5e73\u6de1\u65e0\u5947\u3002\u771f\u5230\u4e94\u4e2a Handler \u5806\u5728\u773c\u524d\u7684\u65f6\u5019\u624d\u4f53\u4f1a\u5230，final \u9501\u4f4f\u7684\u4e0d\u662f\u4ee3\u7801，\u662f\u6d41\u7a0b\u7684\u8bed\u4e49\u3002<\/p>\n

\u9aa8\u67b6：\u628a\u6d41\u7a0b\u8bed\u4e49\u9489\u8fdb\u7236\u7c7b<\/h3>\n

\u91cd\u6784\u540e\u7684\u62bd\u8c61\u957f\u8fd9\u6837（\u7b80\u5316\u793a\u610f，\u7ec6\u8282\u6309\u771f\u5b9e\u5b9e\u73b0\u6838\u5bf9）：<\/p>\n

public<\/span> abstract<\/span> class<\/span> AbstractDepreciationHandler<\/span><<\/span>T<\/span>><\/span><\/span> implements<\/span> SyncHandler<\/span> {<\/span><\/p>\n

\/** \u6a21\u677f\u65b9\u6cd5:\u9501\u6b7b\u6d88\u8d39\u9aa8\u67b6,\u5b50\u7c7b\u4e0d\u8bb8\u8986\u5199 *\/<\/span>
\n @Override<\/span>
\n public<\/span> final<\/span> SyncResult<\/span> handle<\/span>(<\/span>SyncEvent<\/span> event)<\/span> {<\/span>
\n T<\/span> payload =<\/span> parse<\/span>(<\/span>event)<\/span>;<\/span> \/\/ 1. \u89e3\u6790:\u5b50\u7c7b\u5404\u81ea\u7684\u53cd\u5e8f\u5217\u5316<\/span>
\n validate<\/span>(<\/span>payload)<\/span>;<\/span> \/\/ 2. \u4e1a\u52a1\u6821\u9a8c:\u5b50\u7c7b\u5404\u81ea\u7684\u89c4\u5219<\/span>
\n int<\/span> affected =<\/span> doUpsert<\/span>(<\/span>payload)<\/span>;<\/span> \/\/ 3. \u5e42\u7b49\u843d\u5e93:\u5b50\u7c7b\u5dee\u5f02\u70b9<\/span>
\n postProcess<\/span>(<\/span>event,<\/span> payload,<\/span> affected)<\/span>;<\/span> \/\/ 4. \u5584\u540e:\u65e5\u5fd7\/\u76d1\u63a7\u57cb\u70b9<\/span>
\n return<\/span> SyncResult<\/span>.<\/span>ok<\/span>(<\/span>event.<\/span>getMsgId<\/span>(<\/span>)<\/span>,<\/span> affected)<\/span>;<\/span>
\n }<\/span><\/p>\n

protected<\/span> abstract<\/span> T<\/span> parse<\/span>(<\/span>SyncEvent<\/span> event)<\/span>;<\/span><\/p>\n

protected<\/span> abstract<\/span> void<\/span> validate<\/span>(<\/span>T<\/span> payload)<\/span>;<\/span><\/p>\n

protected<\/span> abstract<\/span> int<\/span> doUpsert<\/span>(<\/span>T<\/span> payload)<\/span>;<\/span><\/p>\n

\/** \u94a9\u5b50:\u9ed8\u8ba4\u7a7a\u5b9e\u73b0,\u786e\u6709\u5584\u540e\u9700\u6c42\u7684\u5b50\u7c7b\u518d\u8986\u5199 *\/<\/span>
\n protected<\/span> void<\/span> postProcess<\/span>(<\/span>SyncEvent<\/span> event,<\/span> T<\/span> payload,<\/span> int<\/span> affected)<\/span> {<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u4e94\u79cd\u4e8b\u4ef6\u6536\u655b\u6210\u4e94\u4e2a\u53ea\u5b9e\u73b0 parse \/ validate \/ doUpsert \u7684\u5b50\u7c7b\u3002\u89e3\u6790\u3001\u5f02\u5e38\u5206\u6d41\u3001\u91cd\u8bd5\u767b\u8bb0\u3001\u76d1\u63a7\u57cb\u70b9\u5168\u90e8\u4e0a\u6536\u5230\u7236\u7c7b\u2014\u2014\u4e0b\u4e00\u6b21\u6d41\u7a0b\u8c03\u6574\u53ea\u6539\u4e00\u5904，\u56e0\u4e3a\u6d41\u7a0b\u53ea\u5b58\u5728\u4e00\u4efd\u3002<\/p>\n

\u6709\u4e00\u4e2a\u8bbe\u8ba1\u51b3\u7b56\u503c\u5f97\u5355\u72ec\u8bf4：handle() \u4e3a\u4ec0\u4e48\u662f final？\u56e0\u4e3a\u9aa8\u67b6\u4e00\u65e6\u5141\u8bb8\u5b50\u7c7b\u8986\u5199，"\u4e94\u4efd\u76f8\u540c\u4ee3\u7801"\u5c31\u4f1a\u4ee5"\u4e94\u4efd\u5fae\u5999\u4e0d\u540c\u4ee3\u7801"\u7684\u5f62\u5f0f\u5377\u571f\u91cd\u6765\u2014\u2014\u8986\u5199\u6b63\u662f\u53d1\u6563\u7684\u5f00\u59cb\u3002\u9ed8\u8ba4\u7a7a\u7684 postProcess \u94a9\u5b50\u662f\u7ed9\u786e\u6709\u5584\u540e\u9700\u6c42\u7684\u5b50\u7c7b\u7559\u7684\u53e3\u5b50，\u4f46\u94a9\u5b50\u6211\u4eec\u63a7\u5236\u5728\u4e24\u4e2a\u4ee5\u5185，\u518d\u591a\u5c31\u8bf4\u660e\u8fd9\u4e2a\u5b50\u7c7b\u7684\u6d41\u7a0b\u672c\u8d28\u4e0d\u540c，\u8be5\u62c6\u51fa\u53bb\u800c\u4e0d\u662f\u7ee7\u7eed\u6253\u6d1e\u3002<\/p>\n

\u987a\u5e26\u628a\u548c\u7b56\u7565\u6a21\u5f0f\u7684\u8fa8\u6790\u5199\u4e0b\u6765，\u56e0\u4e3a\u63a8\u9001\u5c42\u5f53\u521d\u7528\u7684\u5c31\u662f\u7b56\u7565\u6a21\u5f0f，\u4e24\u5144\u5f1f\u592a\u5bb9\u6613\u6df7\u3002\u8fa8\u6790\u7684\u6807\u51c6\u5f88\u7b80\u5355：\u53d8\u5316\u53d1\u751f\u5728"\u6574\u4e2a\u7b97\u6cd5\u53ef\u66ff\u6362"\u65f6\u7528\u7b56\u7565（Email\/IM\/SMS \u6bcf\u4e2a\u90fd\u662f\u4ece\u5934\u5230\u5c3e\u4e0d\u540c\u7684\u63a8\u9001\u7b97\u6cd5）；\u53d8\u5316\u53d1\u751f\u5728"\u6d41\u7a0b\u56fa\u5b9a\u3001\u6b65\u9aa4\u5404\u5f02"\u65f6\u7528\u6a21\u677f\u65b9\u6cd5（\u6bcf\u79cd\u4e8b\u4ef6\u7684\u6d88\u8d39\u6d41\u7a0b\u90fd\u662f\u89e3\u6790\u2192\u6821\u9a8c\u2192\u843d\u5e93，\u53ea\u662f\u6bcf\u6b65\u5185\u5bb9\u4e0d\u540c）\u3002\u6d88\u8d39\u4fa7\u9009\u6a21\u677f\u65b9\u6cd5\u8fd8\u6709\u4e2a\u5b9e\u9645\u8003\u91cf：\u5f02\u5e38\u5206\u6d41\u548c\u91cd\u8bd5\u767b\u8bb0\u4f9d\u8d56\u6267\u884c\u987a\u5e8f，\u6d41\u7a0b\u8bed\u4e49\u5fc5\u987b\u7edf\u4e00，\u4ea4\u7ed9\u5b69\u5b50\u7c7b\u81ea\u7531\u53d1\u6325\u53cd\u800c\u662f\u98ce\u9669\u3002<\/p>\n

\u5e42\u7b49：\u7ed9\u4e1a\u52a1\u6570\u636e\u627e\u81ea\u7136\u8eab\u4efd<\/h3>\n

MQ \u7684 at-least-once \u8bed\u4e49\u51b3\u5b9a\u4e86\u91cd\u590d\u6295\u9012\u662f\u5e38\u6001，\u6d88\u8d39\u7aef\u5fc5\u987b\u628a"\u540c\u4e00\u6761\u6d88\u606f\u5904\u7406\u4e24\u904d"\u53d8\u6210\u65e0\u5bb3\u64cd\u4f5c\u3002\u6211\u4eec\u7684\u65b9\u6848\u6ca1\u6709\u5f15\u5165\u72ec\u7acb\u7684\u5e42\u7b49\u8868，\u800c\u662f\u76f4\u63a5\u7ed9\u4e1a\u52a1\u8868\u52a0\u552f\u4e00\u952e：\u5355\u636e\u53f7 + \u8d44\u4ea7\u7f16\u7801\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u662f\u8fd9\u4e2a\u7ec4\u5408？\u56de\u5230\u4e1a\u52a1\u4e8b\u5b9e：\u4e00\u884c\u6298\u65e7\u660e\u7ec6\u7684\u81ea\u7136\u8eab\u4efd\u5c31\u662f"\u54ea\u5f20\u8ba1\u63d0\u5355\u636e\u3001\u5bf9\u54ea\u4e2a\u8d44\u4ea7"\u3002\u540c\u4e00\u5f20\u5355\u636e\u5bf9\u540c\u4e00\u8d44\u4ea7\u53ea\u53ef\u80fd\u6709\u4e00\u6761\u6298\u65e7\u660e\u7ec6\u2014\u2014\u8fd9\u4e0d\u662f\u6280\u672f\u8bbe\u8ba1，\u662f\u8d22\u52a1\u53e3\u5f84\u672c\u8eab\u3002\u5e42\u7b49\u952e\u9009\u4e1a\u52a1\u81ea\u7136\u952e\u800c\u4e0d\u662f\u81ea\u5df1\u53d1\u660e\u4e00\u4e2a\u53bb\u91cd\u952e，\u597d\u5904\u662f\u5c11\u7ef4\u62a4\u4e00\u5f20\u8868，\u4e14\u5e42\u7b49\u51ed\u636e\u548c\u4e1a\u52a1\u6570\u636e\u540c\u751f\u5171\u6b7b：\u4e0d\u5b58\u5728"\u5e42\u7b49\u8868\u8bb0\u5f55\u5728\u3001\u4e1a\u52a1\u6570\u636e\u8fd8\u6ca1\u843d"\u6216\u53cd\u8fc7\u6765\u7684\u4e2d\u95f4\u6001\u3002<\/p>\n

\u843d\u5e93\u7528 upsert（MySQL \u8bed\u6cd5，\u7b80\u5316\u793a\u610f）：<\/p>\n

INSERT<\/span> INTO<\/span> depreciation_detail
\n (<\/span>bill_no,<\/span> asset_code,<\/span> period,<\/span> dep_amount,<\/span> state_version,<\/span> updated_at)<\/span>
\nVALUES<\/span>
\n (<\/span>#{billNo}, #{assetCode}, #{period}, #{depAmount}, #{stateVersion}, now())<\/span>
\nON<\/span> DUPLICATE<\/span> KEY<\/span> UPDATE<\/span>
\n dep_amount =<\/span> IF<\/span>(<\/span>VALUES<\/span>(<\/span>state_version)<\/span> ><\/span> state_version,<\/span>
\n VALUES<\/span>(<\/span>dep_amount)<\/span>,<\/span> dep_amount)<\/span>,<\/span>
\n state_version =<\/span> IF<\/span>(<\/span>VALUES<\/span>(<\/span>state_version)<\/span> ><\/span> state_version,<\/span>
\n VALUES<\/span>(<\/span>state_version)<\/span>,<\/span> state_version)<\/span>,<\/span>
\n updated_at =<\/span> IF<\/span>(<\/span>VALUES<\/span>(<\/span>state_version)<\/span> ><\/span> state_version,<\/span> now<\/span>(<\/span>)<\/span>,<\/span> updated_at)<\/span>;<\/span><\/p>\n

\u8fd9\u6761 SQL \u91cc\u5176\u5b9e\u53e0\u7740\u4e24\u5c42\u9632\u7ebf，\u5206\u5f00\u8bf4\u6e05\u695a：<\/p>\n

\u552f\u4e00\u952e\u9632\u91cd\u590d\u3002 \u540c\u4e00\u6761\u6d88\u606f\u91cd\u653e\u4e00\u767e\u6b21，\u552f\u4e00\u952e\u547d\u4e2d\u540c\u4e00\u884c，INSERT \u53d8 UPDATE，\u6700\u7ec8\u6570\u636e\u4e00\u6a21\u4e00\u6837\u2014\u2014\u8fd9\u662f Upsert \u5e42\u7b49\u7684\u672c\u4f53\u3002<\/p>\n

\u6761\u4ef6\u66f4\u65b0\u9632\u65e7\u76d6\u65b0\u3002 \u4f46 upsert \u5e42\u7b49\u6709\u4e2a\u8fb9\u754c\u5fc5\u987b\u8ba4\u6e05：\u5b83\u53ea\u5bf9"\u5185\u5bb9\u76f8\u540c\u7684\u91cd\u590d"\u65e0\u5bb3\u3002\u5982\u679c\u4e71\u5e8f\u8ba9\u65e7\u72b6\u6001\u7684\u4e8b\u4ef6\u540e\u5230，\u88f8\u7684 upsert \u4f1a\u62ff\u7740\u65e7\u503c\u628a\u65b0\u503c\u8986\u76d6\u6389\u3002IF(VALUES(state_version) > state_version, …) \u5c31\u662f\u8865\u8fd9\u4e2a\u7f3a\u53e3\u7684：\u7248\u672c\u4e0d\u6bd4\u5f53\u524d\u9ad8\u7684\u66f4\u65b0\u4e00\u5f8b\u7a7a\u8f6c\u3002\u552f\u4e00\u952e\u89e3\u51b3"\u91cd\u590d"，\u6761\u4ef6\u66f4\u65b0\u89e3\u51b3"\u4e71\u5e8f"，\u4e24\u9053\u9501\u7f3a\u4e00\u4e0d\u53ef\u2014\u2014\u53ea\u52a0\u524d\u8005，\u94fe\u8def\u5728\u4e71\u5e8f\u9762\u524d\u7167\u6837\u4e22\u6570\u636e\u3002<\/p>\n

\u538b\u6d4b\u65f6\u4e13\u95e8\u9a8c\u8bc1\u8fc7\u8fd9\u4e00\u70b9：\u628a\u4e00\u5929\u7684\u771f\u5b9e\u4e8b\u4ef6\u6d41\u6253\u4e71\u987a\u5e8f\u91cd\u653e\u4e24\u904d，\u5e93\u91cc\u7684\u6570\u636e\u4e0e\u6b63\u5e38\u987a\u5e8f\u5355\u904d\u6d88\u8d39\u7684\u7ed3\u679c\u9010\u5b57\u6bb5\u4e00\u81f4\u3002\u5e42\u7b49\u505a\u5f97\u5bf9\u4e0d\u5bf9，\u4e0d\u80fd\u9760"\u5e94\u8be5\u6ca1\u95ee\u9898"，\u8981\u9760\u91cd\u653e\u6765\u8bc1\u3002<\/p>\n

\u9ad8\u53ef\u7528：\u751f\u4ea7\u4fa7\u4e0d\u4e22，\u6d88\u8d39\u4fa7\u5fc5\u8fbe<\/h3>\n

"\u672c\u5730\u6d88\u606f\u8868\u4e0e\u6307\u6570\u9000\u907f\u91cd\u8bd5\u4fdd\u969c\u9ad8\u53ef\u7528"\u8fd9\u53e5\u8bdd\u62c6\u5f00\u662f\u4e24\u7aef\u7684\u4e24\u4e2a\u627f\u8bfa\u3002<\/p>\n

\u751f\u4ea7\u4fa7：\u4e0d\u4e22\u3002 \u8d44\u4ea7\u4fa7 outbox \u8868\u5728\u4e0a\u4e00\u7bc7\u8be6\u5199\u8fc7，\u8fd9\u91cc\u53ea\u56de\u6536\u4e00\u53e5\u2014\u2014\u8ba1\u63d0\u4e8b\u52a1\u5185\u5199\u4e1a\u52a1\u8868\u7684\u540c\u65f6\u5199 outbox，\u53d1\u9001\u5931\u8d25\u7531 relay \u4efb\u52a1\u515c\u5e95\u8865\u53d1\u3002"\u4e8b\u4ef6\u4e00\u5b9a\u53d1\u5f97\u51fa\u53bb"\u4e0d\u8d4c\u5728 try-catch \u4e0a\u3002<\/p>\n

\u6d88\u8d39\u4fa7：\u5fc5\u8fbe\u3002 \u5931\u8d25\u7684\u6d88\u606f\u8981\u6709\u53bb\u5904，\u4e14\u8981\u6309\u6b63\u786e\u7684\u8282\u594f\u91cd\u8bd5\u3002\u5b8c\u6574\u7684\u4e09\u5c42\u91cd\u8bd5\u91d1\u5b57\u5854：<\/p>\n

\u7b2c\u4e00\u5c42\u662f MQ \u5185\u5efa\u91cd\u8bd5\u3002\u6d88\u8d39\u629b\u51fa\u5f02\u5e38，\u6d88\u606f\u8fdb\u91cd\u8bd5\u961f\u5217，RocketMQ \u7684\u91cd\u8bd5\u95f4\u9694\u968f\u6b21\u6570\u9636\u68af\u9012\u589e，\u9ed8\u8ba4\u5341\u516d\u6b21\u540e\u843d\u5165\u6b7b\u4fe1\u961f\u5217\u3002\u8fd9\u4e00\u5c42\u6321\u7684\u662f\u77ac\u65f6\u6296\u52a8\u2014\u2014\u4e0b\u6e38\u6570\u636e\u5e93\u4e3b\u4ece\u5207\u6362\u3001\u8fde\u63a5\u6c60\u77ac\u95f4\u6253\u6ee1\u8fd9\u7c7b\u79d2\u7ea7\u6062\u590d\u7684\u6545\u969c，\u901a\u5e38\u5728\u91cd\u8bd5\u961f\u5217\u91cc\u5c31\u81ea\u6108\u4e86\u3002<\/p>\n

\u7b2c\u4e8c\u5c42\u662f\u6d88\u8d39\u4fa7\u7684\u91cd\u8bd5\u8bb0\u5f55\u8868 + \u6307\u6570\u9000\u907f\u635e\u5355，\u6321\u7684\u662f\u6301\u7eed\u6545\u969c\u2014\u2014\u8d22\u52a1\u670d\u52a1\u5347\u7ea7\u3001\u8d44\u4ea7\u4fa7\u63a5\u53e3\u4e0d\u53ef\u7528\u8fd9\u7c7b\u5206\u949f\u5230\u5c0f\u65f6\u7ea7\u7684\u6545\u969c，\u5341\u516d\u6b21 MQ \u91cd\u8bd5\u8fdc\u8fdc\u71ac\u4e0d\u8fc7\u53bb\u3002\u6b7b\u4fe1\u6216\u663e\u5f0f\u5931\u8d25\u7684\u4e8b\u4ef6\u767b\u8bb0\u5165\u8868，\u5b9a\u65f6\u4efb\u52a1\u6309\u6307\u6570\u9000\u907f\u635e\u5355：<\/p>\n

\/\/ \u6307\u6570\u9000\u907f:2^n \u589e\u957f,\u5c01\u9876 + \u6296\u52a8(\u7b80\u5316\u793a\u610f)<\/span>
\nlong<\/span> backoff =<\/span> baseMillis *<\/span> (<\/span>1L<\/span> <<<\/span> Math<\/span>.<\/span>min<\/span>(<\/span>retryCount,<\/span> capExp)<\/span>)<\/span>;<\/span>
\nbackoff =<\/span> Math<\/span>.<\/span>min<\/span>(<\/span>backoff,<\/span> maxBackoffMillis)<\/span>;<\/span> \/\/ \u5c01\u9876 24h<\/span>
\nbackoff +=<\/span> ThreadLocalRandom<\/span>.<\/span>current<\/span>(<\/span>)<\/span>.<\/span>nextLong<\/span>(<\/span>jitterMillis)<\/span>;<\/span>
\nrecord.<\/span>setNextRetryAt<\/span>(<\/span>Instant<\/span>.<\/span>now<\/span>(<\/span>)<\/span>.<\/span>plusMillis<\/span>(<\/span>backoff)<\/span>)<\/span>;<\/span><\/p>\n

\u4e3a\u4ec0\u4e48\u5fc5\u987b\u662f\u6307\u6570\u9000\u907f\u800c\u4e0d\u662f\u56fa\u5b9a\u95f4\u9694？\u5047\u8bbe\u4e0b\u6e38\u6545\u969c\u6062\u590d\u7684\u77ac\u95f4，\u4e00\u4e07\u6761\u5931\u8d25\u6d88\u606f\u90fd\u6309\u56fa\u5b9a\u5341\u5206\u949f\u95f4\u9694\u91cd\u8bd5\u2014\u2014\u5b83\u4eec\u4f1a\u5728\u540c\u4e00\u4e2a\u5bf9\u9f50\u7684\u8282\u62cd\u4e0a\u7838\u56de\u53bb，\u6062\u590d\u4e2d\u7684\u4e0b\u6e38\u88ab\u7b2c\u4e8c\u6ce2\u6253\u8db4\u4e0b，\u6545\u969c\u65f6\u95f4\u548c\u5f71\u54cd\u9762\u53cc\u53cc\u653e\u5927\u3002\u6307\u6570\u9000\u907f\u628a\u91cd\u8bd5\u65f6\u95f4\u70b9\u5728\u65f6\u95f4\u8f74\u4e0a\u6307\u6570\u7ea7\u5730\u62c9\u5f00，\u518d\u53e0\u4e00\u5c42\u968f\u673a\u6296\u52a8（jitter）\u628a\u540c\u6279\u6d88\u606f\u7684\u53bb\u91cd\u8282\u62cd\u5f7b\u5e95\u6253\u6563\u3002\u91cd\u8bd5\u7b56\u7565\u7684\u672c\u8d28\u4e0d\u662f"\u591a\u8bd5\u51e0\u6b21"，\u662f\u63a7\u5236\u5931\u8d25\u6062\u590d\u65f6\u523b\u7684\u6d41\u91cf\u5f62\u72b6\u3002<\/p>\n

\u7b2c\u4e09\u5c42\u662f\u4eba：\u91cd\u8bd5\u6b21\u6570\u8d85\u4e0a\u9650\u7684\u8bb0\u5f55\u89e6\u53d1\u544a\u8b66\u5de5\u5355，\u6b7b\u4fe1\u961f\u5217\u6302\u76d1\u63a7\u3002\u5230\u8fd9\u91cc，\u6bcf\u4e00\u6761\u5931\u8d25\u7684\u6d88\u606f\u90fd\u6709\u660e\u786e\u53bb\u5411\u2014\u2014\u8981\u4e48\u6b63\u5728\u9000\u907f\u7b49\u5f85，\u8981\u4e48\u5df2\u7ecf\u8eba\u5728\u544a\u8b66\u91cc\u7b49\u4eba\u3002\u9ad8\u53ef\u7528\u7684\u53cd\u9762\u4e0d\u662f\u6545\u969c，\u662f\u5931\u8d25\u5f97\u65e0\u58f0\u65e0\u606f\u3002<\/p>\n

\u6548\u679c\u4e0e\u8fd8\u6ca1\u505a\u7684<\/h3>\n

\u5b9a\u6027\u5730\u8bf4\u6539\u9020\u524d\u540e\u7684\u5dee\u522b：<\/p>\n

\u65b0\u589e\u4e00\u7c7b\u540c\u6b65\u4e8b\u4ef6，\u4ece"\u590d\u5236\u4e00\u4e2a Handler \u6539\u4e1a\u52a1\u6bb5"\u53d8\u6210"\u5b9e\u73b0\u4e09\u4e2a\u65b9\u6cd5"，\u9aa8\u67b6\u4ee3\u7801\u96f6\u63a5\u89e6，\u5e42\u7b49\u548c\u91cd\u8bd5\u5929\u7136\u7ee7\u627f；\u91cd\u590d\u6d88\u8d39\u5728\u538b\u6d4b\u91cd\u653e\u4e0b\u96f6\u75d5\u8ff9；\u6bcf\u6761\u5931\u8d25\u6d88\u606f\u5728\u91cd\u8bd5\u8868\u91cc\u6709\u72b6\u6001\u3001\u6709\u4e0b\u4e00\u6b21\u91cd\u8bd5\u65f6\u523b，\u6392\u969c\u65f6\u4e0d\u7528\u7ffb\u65e5\u5fd7\u8003\u53e4\u3002<\/p>\n

\u8fd8\u6ca1\u505a\u7684\u4e5f\u5982\u5b9e\u8bb0\u7740：postProcess \u4e4b\u5916\u6682\u65f6\u6ca1\u5f00\u66f4\u591a\u94a9\u5b50，\u4f46\u5df2\u7ecf\u80fd\u9884\u611f\u5230"\u67d0\u79cd\u4e8b\u4ef6\u60f3\u8df3\u8fc7\u6821\u9a8c\u6b65\u9aa4"\u7684\u9700\u6c42\u6b63\u5728\u9760\u8fd1，\u5230\u65f6\u5019\u662f\u7ee7\u7eed\u5f00\u94a9\u5b50\u8fd8\u662f\u62c6\u51fa\u65b0\u7684\u9aa8\u67b6\u5206\u652f，\u9700\u8981\u91cd\u65b0\u6743\u8861；\u91cd\u8bd5\u8868\u7684\u6e05\u7406\u7b56\u7565\u8fd8\u6ca1\u505a（\u548c\u4e0a\u6b21 outbox \u81a8\u80c0\u7684\u5751\u540c\u6b3e\u9690\u60a3，\u5df2\u7ecf\u6302\u5728\u5f85\u529e\u4e0a）；\u6a21\u677f\u65b9\u6cd5\u7236\u7c7b\u76ee\u524d\u9760 code review \u4fdd\u8bc1\u5b50\u7c7b\u4e0d\u7ed5\u8fc7\u9aa8\u67b6，\u6ca1\u6709\u7f16\u8bd1\u671f\u6216\u8fd0\u884c\u671f\u7684\u5f3a\u5236\u624b\u6bb5\u3002<\/p>\n

\u51e0\u70b9\u4f53\u4f1a<\/h3>\n

\u8bbe\u8ba1\u6a21\u5f0f\u7684\u4ef7\u503c\u5728\u5b66\u4e60\u7b14\u8bb0\u91cc\u662f\u62bd\u8c61\u7684，\u5728\u771f\u5b9e\u4ee3\u7801\u91cc\u662f\u5177\u4f53\u7684\u3002 \u7b14\u8bb0\u9636\u6bb5\u89c9\u5f97\u6a21\u677f\u65b9\u6cd5\u4e0d\u8fc7\u5982\u6b64，\u76f4\u5230\u4e94\u4e2a Handler \u7684\u91cd\u590d\u4ee3\u7801\u644a\u5728\u9762\u524d\u624d\u660e\u767d：\u5b83\u89e3\u51b3\u7684\u4e0d\u662f"\u4ee3\u7801\u4f18\u96c5"，\u662f"\u6d41\u7a0b\u8bed\u4e49\u53ea\u80fd\u5b58\u5728\u4e00\u4efd"\u8fd9\u79cd\u4e00\u81f4\u6027\u5de5\u7a0b\u95ee\u9898\u3002\u5b66\u5230\u7684\u4e1c\u897f\u8981\u7b49\u4e00\u4e2a\u771f\u5b9e\u573a\u666f\u6765\u5151\u73b0\u3002<\/p>\n

\u5e42\u7b49\u952e\u7684\u8bbe\u8ba1\u662f\u4e1a\u52a1\u95ee\u9898，\u4e0d\u662f\u6280\u672f\u95ee\u9898\u3002 "\u5355\u636e\u53f7 + \u8d44\u4ea7\u7f16\u7801"\u4e4b\u6240\u4ee5\u6210\u7acb，\u662f\u56e0\u4e3a\u8d22\u52a1\u53e3\u5f84\u91cc\u6298\u65e7\u660e\u7ec6\u5c31\u662f\u8fd9\u4e48\u5b9a\u4e49\u552f\u4e00\u6027\u7684\u3002\u6280\u672f\u4e0a\u7684 upsert \u53ea\u662f\u628a\u8fd9\u4e2a\u4e1a\u52a1\u4e8b\u5b9e\u7ffb\u8bd1\u6210\u4e86\u552f\u4e00\u7d22\u5f15\u3002\u53cd\u8fc7\u6765，\u54ea\u5929\u4e1a\u52a1\u53e3\u5f84\u53d8\u4e86（\u6bd4\u5982\u5355\u636e\u7c92\u5ea6\u8c03\u6574），\u552f\u4e00\u952e\u5fc5\u987b\u8ddf\u7740\u52a8\u2014\u2014\u5e42\u7b49\u952e\u8ddf\u7740\u4e1a\u52a1\u8bed\u4e49\u8d70，\u800c\u4e0d\u662f\u8ddf\u7740\u6d88\u606f\u7ed3\u6784\u8d70\u3002<\/p>\n

\u6bcf\u5c42\u9632\u7ebf\u53ea\u89e3\u51b3\u4e00\u79cd\u5931\u8d25\u6a21\u5f0f\u3002 \u552f\u4e00\u952e\u9632\u91cd\u590d\u3001\u6761\u4ef6\u66f4\u65b0\u9632\u4e71\u5e8f\u3001MQ \u91cd\u8bd5\u9632\u6296\u52a8\u3001\u6307\u6570\u9000\u907f\u9632\u6301\u7eed\u6545\u969c\u3001\u544a\u8b66\u9632\u65e0\u58f0\u5931\u8d25\u2014\u2014\u6ca1\u6709\u54ea\u4e00\u5c42\u662f\u591a\u4f59\u7684，\u4e5f\u6ca1\u6709\u54ea\u4e00\u5c42\u80fd\u5305\u6253\u5929\u4e0b\u3002\u505a\u6570\u636e\u540c\u6b65\u505a\u4e45\u4e86，\u4f1a\u8d8a\u6765\u8d8a\u4e60\u60ef"\u5148\u628a\u5931\u8d25\u6a21\u5f0f\u5217\u5168，\u518d\u7ed9\u6bcf\u4e00\u79cd\u914d\u4e00\u6761\u4e13\u5c5e\u9632\u7ebf"\u7684\u601d\u8def\u3002<\/p>\n

\u6700\u540e\u7559\u4e00\u4e2a\u81ea\u6211\u63d0\u9192：\u6a21\u677f\u65b9\u6cd5\u628a\u6d41\u7a0b\u9501\u8fdb\u7236\u7c7b\u7684\u540c\u65f6，\u4e5f\u628a\u4fee\u6539\u6743\u9501\u4e86\u8fdb\u53bb\u2014\u2014\u54ea\u5929\u51fa\u73b0\u4e00\u4e2a\u6d41\u7a0b\u771f\u4e0d\u4e00\u6837\u7684\u5b50\u7c7b，\u6700\u5148\u5d29\u6389\u7684\u4f1a\u662f\u5f53\u521d\u90a3\u4e2a final\u3002\u5230\u65f6\u5019\u8981\u6562\u4e8e\u63a8\u7ffb\u81ea\u5df1，\u628a\u9aa8\u67b6\u6539\u6210\u7ec4\u5408\u5f0f\u7684\u3002\u6a21\u5f0f\u662f\u4e3a\u573a\u666f\u670d\u52a1\u7684，\u53cd\u8fc7\u6765\u4e0d\u6210\u7acb\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4ece\u4e94\u79cd Handler \u590d\u5236\u7c98\u8d34\u8bf4\u8d77
\n\u8d22\u52a1\u670d\u52a1\u8981\u6d88\u8d39\u7684\u540c\u6b65\u4e8b\u4ef6\u4e0d\u6b62\u4e00\u79cd：\u6298\u65e7\u8ba1\u63d0\u660e\u7ec6\u7684 UPSERT\u3001\u6298\u65e7\u51b2\u9500\u7684 DELETE\u3001\u8d44\u4ea7\u5361\u7247\u4e3b\u6570\u636e\u53d8\u66f4\u3001\u5355\u636e\u72b6\u6001\u6d41\u8f6c\u3001\u671f\u672b\u7ed3\u8f6c\u6807\u5fd7\u3002\u7b2c\u4e00\u7248\u7684\u5b9e\u73b0\u662f\u4e94\u79cd\u4e8b\u4ef6\u4e94\u4e2a Handler，\u6bcf\u4e2a\u90fd\u81ea\u5df1\u5199\u4e00\u904d\u5b8c\u6574\u7684\u6d88\u8d39\u6d41\u7a0b\u3002
\n\u5199\u5b8c\u56de\u5934\u770b，\u4e94\u4e2a\u7c7b\u51e0\u4e4e\u662f\u4e00\u4e2a\u6a21\u5b50\u523b\u51fa\u6765\u7684：
\n\/\/ \u4e94\u4e2a Handler \u91cc\u91cd\u590d\u51fa\u73b0\u4e94\u6b21\u7684\u6bb5\u843d
\npublic void onMessage(MessageExt messa<\/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":[99,190],"topic":[],"class_list":["post-97459","post","type-post","status-publish","format-standard","hentry","category-server","tag-java","tag-190"],"yoast_head":"\n\u6298\u65e7\u540c\u6b65\u6d88\u8d39\u4fa7\u6539\u9020\uff1a\u6a21\u677f\u65b9\u6cd5\u62bd\u8c61\u4e0e Upsert \u5e42\u7b49\u7684\u5b9e\u6218\u843d\u5730 - \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\/97459.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u6298\u65e7\u540c\u6b65\u6d88\u8d39\u4fa7\u6539\u9020\uff1a\u6a21\u677f\u65b9\u6cd5\u62bd\u8c61\u4e0e Upsert \u5e42\u7b49\u7684\u5b9e\u6218\u843d\u5730 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u4ece\u4e94\u79cd Handler \u590d\u5236\u7c98\u8d34\u8bf4\u8d77 \u8d22\u52a1\u670d\u52a1\u8981\u6d88\u8d39\u7684\u540c\u6b65\u4e8b\u4ef6\u4e0d\u6b62\u4e00\u79cd：\u6298\u65e7\u8ba1\u63d0\u660e\u7ec6\u7684 UPSERT\u3001\u6298\u65e7\u51b2\u9500\u7684 DELETE\u3001\u8d44\u4ea7\u5361\u7247\u4e3b\u6570\u636e\u53d8\u66f4\u3001\u5355\u636e\u72b6\u6001\u6d41\u8f6c\u3001\u671f\u672b\u7ed3\u8f6c\u6807\u5fd7\u3002\u7b2c\u4e00\u7248\u7684\u5b9e\u73b0\u662f\u4e94\u79cd\u4e8b\u4ef6\u4e94\u4e2a Handler，\u6bcf\u4e2a\u90fd\u81ea\u5df1\u5199\u4e00\u904d\u5b8c\u6574\u7684\u6d88\u8d39\u6d41\u7a0b\u3002 \u5199\u5b8c\u56de\u5934\u770b，\u4e94\u4e2a\u7c7b\u51e0\u4e4e\u662f\u4e00\u4e2a\u6a21\u5b50\u523b\u51fa\u6765\u7684： \/\/ \u4e94\u4e2a Handler \u91cc\u91cd\u590d\u51fa\u73b0\u4e94\u6b21\u7684\u6bb5\u843d public void onMessage(MessageExt messa\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/97459.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-29T07:08:46+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=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/97459.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/97459.html\",\"name\":\"\u6298\u65e7\u540c\u6b65\u6d88\u8d39\u4fa7\u6539\u9020\uff1a\u6a21\u677f\u65b9\u6cd5\u62bd\u8c61\u4e0e Upsert \u5e42\u7b49\u7684\u5b9e\u6218\u843d\u5730 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-08-29T07:08:46+00:00\",\"dateModified\":\"2026-08-29T07:08:46+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/97459.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/97459.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/97459.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u6298\u65e7\u540c\u6b65\u6d88\u8d39\u4fa7\u6539\u9020\uff1a\u6a21\u677f\u65b9\u6cd5\u62bd\u8c61\u4e0e Upsert \u5e42\u7b49\u7684\u5b9e\u6218\u843d\u5730\"}]},{\"@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":"\u6298\u65e7\u540c\u6b65\u6d88\u8d39\u4fa7\u6539\u9020\uff1a\u6a21\u677f\u65b9\u6cd5\u62bd\u8c61\u4e0e Upsert \u5e42\u7b49\u7684\u5b9e\u6218\u843d\u5730 - \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\/97459.html","og_locale":"zh_CN","og_type":"article","og_title":"\u6298\u65e7\u540c\u6b65\u6d88\u8d39\u4fa7\u6539\u9020\uff1a\u6a21\u677f\u65b9\u6cd5\u62bd\u8c61\u4e0e Upsert \u5e42\u7b49\u7684\u5b9e\u6218\u843d\u5730 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u4ece\u4e94\u79cd Handler \u590d\u5236\u7c98\u8d34\u8bf4\u8d77 \u8d22\u52a1\u670d\u52a1\u8981\u6d88\u8d39\u7684\u540c\u6b65\u4e8b\u4ef6\u4e0d\u6b62\u4e00\u79cd：\u6298\u65e7\u8ba1\u63d0\u660e\u7ec6\u7684 UPSERT\u3001\u6298\u65e7\u51b2\u9500\u7684 DELETE\u3001\u8d44\u4ea7\u5361\u7247\u4e3b\u6570\u636e\u53d8\u66f4\u3001\u5355\u636e\u72b6\u6001\u6d41\u8f6c\u3001\u671f\u672b\u7ed3\u8f6c\u6807\u5fd7\u3002\u7b2c\u4e00\u7248\u7684\u5b9e\u73b0\u662f\u4e94\u79cd\u4e8b\u4ef6\u4e94\u4e2a Handler，\u6bcf\u4e2a\u90fd\u81ea\u5df1\u5199\u4e00\u904d\u5b8c\u6574\u7684\u6d88\u8d39\u6d41\u7a0b\u3002 \u5199\u5b8c\u56de\u5934\u770b，\u4e94\u4e2a\u7c7b\u51e0\u4e4e\u662f\u4e00\u4e2a\u6a21\u5b50\u523b\u51fa\u6765\u7684： \/\/ \u4e94\u4e2a Handler \u91cc\u91cd\u590d\u51fa\u73b0\u4e94\u6b21\u7684\u6bb5\u843d public void onMessage(MessageExt messa","og_url":"https:\/\/www.wsisp.com\/helps\/97459.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-08-29T07:08:46+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"2 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/97459.html","url":"https:\/\/www.wsisp.com\/helps\/97459.html","name":"\u6298\u65e7\u540c\u6b65\u6d88\u8d39\u4fa7\u6539\u9020\uff1a\u6a21\u677f\u65b9\u6cd5\u62bd\u8c61\u4e0e Upsert \u5e42\u7b49\u7684\u5b9e\u6218\u843d\u5730 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-08-29T07:08:46+00:00","dateModified":"2026-08-29T07:08:46+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/97459.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/97459.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/97459.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u6298\u65e7\u540c\u6b65\u6d88\u8d39\u4fa7\u6539\u9020\uff1a\u6a21\u677f\u65b9\u6cd5\u62bd\u8c61\u4e0e Upsert \u5e42\u7b49\u7684\u5b9e\u6218\u843d\u5730"}]},{"@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\/97459","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=97459"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/97459\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=97459"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=97459"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=97459"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=97459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}