{"id":62951,"date":"2026-01-21T00:17:48","date_gmt":"2026-01-20T16:17:48","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/62951.html"},"modified":"2026-01-21T00:17:48","modified_gmt":"2026-01-20T16:17:48","slug":"%e6%97%a0%e4%b8%ad%e9%97%b4%e4%bb%b6%e4%be%9d%e8%b5%96%ef%bc%81springboot-%e6%9c%ac%e5%9c%b0%e6%b6%88%e6%81%af%e8%a1%a8%e5%ae%9e%e7%8e%b0%e5%88%86%e5%b8%83%e5%bc%8f%e6%9c%80%e7%bb%88%e4%b8%80","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/62951.html","title":{"rendered":"\u65e0\u4e2d\u95f4\u4ef6\u4f9d\u8d56\uff01SpringBoot + \u672c\u5730\u6d88\u606f\u8868\u5b9e\u73b0\u5206\u5e03\u5f0f\u6700\u7ec8\u4e00\u81f4\u6027"},"content":{"rendered":"<h2>\u65e0\u4e2d\u95f4\u4ef6\u4f9d\u8d56&#xff01;SpringBoot &#043; \u672c\u5730\u6d88\u606f\u8868\u5b9e\u73b0\u5206\u5e03\u5f0f\u6700\u7ec8\u4e00\u81f4\u6027<\/h2>\n<p>\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d&#xff0c;\u8de8\u670d\u52a1\u6570\u636e\u4e00\u81f4\u6027\u662f\u6838\u5fc3\u96be\u9898 \u2014\u2014 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class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token keyword\">PRIMARY<\/span> <span class=\"token keyword\">KEY<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>id<span class=\"token punctuation\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token keyword\">UNIQUE<\/span> <span class=\"token keyword\">KEY<\/span> <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>uk_msg_id<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token punctuation\">(<\/span><span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>msg_id<span class=\"token punctuation\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token keyword\">KEY<\/span> <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>idx_status_next_retry_time<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token punctuation\">(<\/span><span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>status<span class=\"token punctuation\">&#096;<\/span><\/span><span class=\"token punctuation\">,<\/span><span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>next_retry_time<span class=\"token punctuation\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u67e5\u8be2\u5f85\u91cd\u8bd5\u6d88\u606f\u7d22\u5f15&#039;<\/span><br \/>\n<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">ENGINE<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token keyword\">InnoDB<\/span> <span class=\"token keyword\">DEFAULT<\/span> <span class=\"token keyword\">CHARSET<\/span><span class=\"token operator\">&#061;<\/span>utf8mb4 <span class=\"token keyword\">COMMENT<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;\u672c\u5730\u6d88\u606f\u8868&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; \u8ba2\u5355\u8868&#xff08;\u793a\u4f8b\u4e1a\u52a1\u8868&#xff09;<\/span><br \/>\n<span class=\"token keyword\">CREATE<\/span> <span class=\"token keyword\">TABLE<\/span> <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>t_order<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token punctuation\">(<\/span><br \/>\n  <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>id<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">bigint<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">AUTO_INCREMENT<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u8ba2\u5355ID&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>order_no<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">varchar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">64<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u8ba2\u5355\u7f16\u53f7&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>user_id<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">bigint<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u7528\u6237ID&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>product_id<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">bigint<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u5546\u54c1ID&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>quantity<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">int<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u8d2d\u4e70\u6570\u91cf&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>amount<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">decimal<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u8ba2\u5355\u91d1\u989d&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>status<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">tinyint<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u8ba2\u5355\u72b6\u6001&#xff1a;0-\u5f85\u652f\u4ed8&#xff0c;1-\u5df2\u652f\u4ed8&#xff0c;2-\u5df2\u53d6\u6d88&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>create_time<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">datetime<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">DEFAULT<\/span> <span class=\"token keyword\">CURRENT_TIMESTAMP<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>update_time<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">datetime<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">DEFAULT<\/span> <span class=\"token keyword\">CURRENT_TIMESTAMP<\/span> <span class=\"token keyword\">ON<\/span> <span class=\"token keyword\">UPDATE<\/span> <span class=\"token keyword\">CURRENT_TIMESTAMP<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token keyword\">PRIMARY<\/span> <span class=\"token keyword\">KEY<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>id<span class=\"token punctuation\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token keyword\">UNIQUE<\/span> <span class=\"token keyword\">KEY<\/span> <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>uk_order_no<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token punctuation\">(<\/span><span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>order_no<span class=\"token punctuation\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">ENGINE<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token keyword\">InnoDB<\/span> <span class=\"token keyword\">DEFAULT<\/span> <span class=\"token keyword\">CHARSET<\/span><span class=\"token operator\">&#061;<\/span>utf8mb4 <span class=\"token keyword\">COMMENT<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;\u8ba2\u5355\u8868&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>2. \u6838\u5fc3\u5b9e\u4f53\u7c7b<\/h4>\n<h5>&#xff08;1&#xff09;\u672c\u5730\u6d88\u606f\u5b9e\u4f53<\/h5>\n<p><span class=\"token annotation punctuation\">&#064;Data<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;TableName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;local_message&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LocalMessage<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableId<\/span><span class=\"token punctuation\">(<\/span>type <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">IdType<\/span><span class=\"token punctuation\">.<\/span>AUTO<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">Long<\/span> id<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;msg_id&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> msgId<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;msg_type&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> msgType<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;msg_content&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> msgContent<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;target_service&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> targetService<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;target_url&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> targetUrl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;status&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">Integer<\/span> status<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;retry_count&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">Integer<\/span> retryCount<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;next_retry_time&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">LocalDateTime<\/span> nextRetryTime<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;create_time&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">LocalDateTime<\/span> createTime<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;update_time&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">LocalDateTime<\/span> updateTime<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6d88\u606f\u72b6\u6001\u679a\u4e3e<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Integer<\/span> STATUS_PENDING <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u5f85\u5904\u7406<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Integer<\/span> STATUS_SENDING <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u53d1\u9001\u4e2d<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Integer<\/span> STATUS_COMPLETED <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5df2\u5b8c\u6210<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Integer<\/span> STATUS_FAILED <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u5931\u8d25&#xff08;\u6b7b\u4fe1&#xff09;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>&#xff08;2&#xff09;\u8ba2\u5355\u5b9e\u4f53<\/h5>\n<p><span class=\"token annotation punctuation\">&#064;Data<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;TableName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;t_order&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Order<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableId<\/span><span class=\"token punctuation\">(<\/span>type <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">IdType<\/span><span class=\"token punctuation\">.<\/span>AUTO<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">Long<\/span> id<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;order_no&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> orderNo<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;user_id&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">Long<\/span> userId<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;product_id&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">Long<\/span> productId<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;quantity&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">Integer<\/span> quantity<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;amount&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">BigDecimal<\/span> amount<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;status&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">Integer<\/span> status<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;create_time&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">LocalDateTime<\/span> createTime<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TableField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;update_time&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">LocalDateTime<\/span> updateTime<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8ba2\u5355\u72b6\u6001\u679a\u4e3e<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Integer<\/span> STATUS_PENDING_PAY <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5f85\u652f\u4ed8<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Integer<\/span> STATUS_PAID <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span>        <span class=\"token comment\">\/\/ \u5df2\u652f\u4ed8<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Integer<\/span> STATUS_CANCELLED <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u5df2\u53d6\u6d88<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3. \u4e1a\u52a1\u64cd\u4f5c\u4e0e\u6d88\u606f\u8bb0\u5f55&#xff08;\u672c\u5730\u4e8b\u52a1&#xff09;<\/h4>\n<p>\u6838\u5fc3\u903b\u8f91&#xff1a;\u8ba2\u5355\u521b\u5efa\u4e0e\u6d88\u606f\u8bb0\u5f55\u5728\u540c\u4e00\u672c\u5730\u4e8b\u52a1\u4e2d\u6267\u884c&#xff0c;\u786e\u4fdd\u539f\u5b50\u6027&#xff1a;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Service<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/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\">LocalMessageMapper<\/span> localMessageMapper<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\">RestTemplate<\/span> restTemplate<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6700\u5927\u91cd\u8bd5\u6b21\u6570<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token keyword\">int<\/span> MAX_RETRY_COUNT <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521d\u59cb\u91cd\u8bd5\u95f4\u9694&#xff08;5\u79d2&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token keyword\">int<\/span> INIT_RETRY_INTERVAL_SECONDS <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u521b\u5efa\u8ba2\u5355 &#043; \u8bb0\u5f55\u672c\u5730\u6d88\u606f&#xff08;\u6263\u5e93\u5b58&#xff09;<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 class-name\">Order<\/span> <span class=\"token function\">createOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">OrderDTO<\/span> orderDTO<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1. \u751f\u6210\u8ba2\u5355\u7f16\u53f7<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> orderNo <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">IdUtil<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">fastSimpleUUID<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 2. \u6784\u5efa\u8ba2\u5355\u5bf9\u8c61<\/span><br \/>\n        <span class=\"token class-name\">Order<\/span> order <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Order<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        order<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOrderNo<\/span><span class=\"token punctuation\">(<\/span>orderNo<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        order<span class=\"token punctuation\">.<\/span><span class=\"token function\">setUserId<\/span><span class=\"token punctuation\">(<\/span>orderDTO<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUserId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        order<span class=\"token punctuation\">.<\/span><span class=\"token function\">setProductId<\/span><span class=\"token punctuation\">(<\/span>orderDTO<span class=\"token punctuation\">.<\/span><span class=\"token function\">getProductId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        order<span class=\"token punctuation\">.<\/span><span class=\"token function\">setQuantity<\/span><span class=\"token punctuation\">(<\/span>orderDTO<span class=\"token punctuation\">.<\/span><span class=\"token function\">getQuantity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        order<span class=\"token punctuation\">.<\/span><span class=\"token function\">setAmount<\/span><span class=\"token punctuation\">(<\/span>orderDTO<span class=\"token punctuation\">.<\/span><span class=\"token function\">getAmount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        order<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Order<\/span><span class=\"token punctuation\">.<\/span>STATUS_PENDING_PAY<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        order<span class=\"token punctuation\">.<\/span><span class=\"token function\">setCreateTime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalDateTime<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        order<span class=\"token punctuation\">.<\/span><span class=\"token function\">setUpdateTime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalDateTime<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/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\">\/\/ 3. \u4fdd\u5b58\u8ba2\u5355&#xff08;\u672c\u5730\u4e8b\u52a1\u7b2c\u4e00\u6b65&#xff09;<\/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\">\/\/ 4. \u6784\u5efa\u672c\u5730\u6d88\u606f&#xff08;\u6263\u5e93\u5b58\u6d88\u606f&#xff09;<\/span><br \/>\n        <span class=\"token class-name\">LocalMessage<\/span> localMessage <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">buildDeductStockMessage<\/span><span class=\"token punctuation\">(<\/span>order<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 5. \u4fdd\u5b58\u672c\u5730\u6d88\u606f&#xff08;\u672c\u5730\u4e8b\u52a1\u7b2c\u4e8c\u6b65&#xff09;<\/span><br \/>\n        localMessageMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>localMessage<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> order<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6784\u5efa\u6263\u5e93\u5b58\u672c\u5730\u6d88\u606f<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">LocalMessage<\/span> <span class=\"token function\">buildDeductStockMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Order<\/span> order<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">LocalMessage<\/span> message <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LocalMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6d88\u606f\u552f\u4e00\u6807\u8bc6&#xff08;UUID&#xff09;<\/span><br \/>\n        message<span class=\"token punctuation\">.<\/span><span class=\"token function\">setMsgId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IdUtil<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">fastUUID<\/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\">\/\/ \u6d88\u606f\u7c7b\u578b<\/span><br \/>\n        message<span class=\"token punctuation\">.<\/span><span class=\"token function\">setMsgType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;STOCK_DEDUCT&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6d88\u606f\u5185\u5bb9&#xff08;JSON\u683c\u5f0f&#xff0c;\u5305\u542b\u5546\u54c1ID\u3001\u6570\u91cf\u3001\u8ba2\u5355\u53f7&#xff09;<\/span><br \/>\n        <span class=\"token class-name\">StockDeductDTO<\/span> deductDTO <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">StockDeductDTO<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        deductDTO<span class=\"token punctuation\">.<\/span><span class=\"token function\">setProductId<\/span><span class=\"token punctuation\">(<\/span>order<span class=\"token punctuation\">.<\/span><span class=\"token function\">getProductId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        deductDTO<span class=\"token punctuation\">.<\/span><span class=\"token function\">setQuantity<\/span><span class=\"token punctuation\">(<\/span>order<span class=\"token punctuation\">.<\/span><span class=\"token function\">getQuantity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        deductDTO<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOrderNo<\/span><span class=\"token punctuation\">(<\/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><span class=\"token punctuation\">;<\/span><br \/>\n        message<span class=\"token punctuation\">.<\/span><span class=\"token function\">setMsgContent<\/span><span class=\"token punctuation\">(<\/span>JSON<span class=\"token punctuation\">.<\/span><span class=\"token function\">toJSONString<\/span><span class=\"token punctuation\">(<\/span>deductDTO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u76ee\u6807\u670d\u52a1&#xff08;\u5e93\u5b58\u670d\u52a1&#xff09;<\/span><br \/>\n        message<span class=\"token punctuation\">.<\/span><span class=\"token function\">setTargetService<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;stock-service&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u76ee\u6807\u63a5\u53e3URL&#xff08;\u5e93\u5b58\u670d\u52a1\u6263\u5e93\u5b58\u63a5\u53e3&#xff09;<\/span><br \/>\n        message<span class=\"token punctuation\">.<\/span><span class=\"token function\">setTargetUrl<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;http:\/\/stock-service\/api\/stock\/deduct&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6d88\u606f\u72b6\u6001&#xff1a;\u5f85\u5904\u7406<\/span><br \/>\n        message<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalMessage<\/span><span class=\"token punctuation\">.<\/span>STATUS_PENDING<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u521d\u59cb\u91cd\u8bd5\u6b21\u6570&#xff1a;0<\/span><br \/>\n        message<span class=\"token punctuation\">.<\/span><span class=\"token function\">setRetryCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4e0b\u6b21\u91cd\u8bd5\u65f6\u95f4&#xff1a;\u5f53\u524d\u65f6\u95f4 &#043; \u521d\u59cb\u95f4\u9694<\/span><br \/>\n        message<span class=\"token punctuation\">.<\/span><span class=\"token function\">setNextRetryTime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalDateTime<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">plusSeconds<\/span><span class=\"token punctuation\">(<\/span>INIT_RETRY_INTERVAL_SECONDS<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        message<span class=\"token punctuation\">.<\/span><span class=\"token function\">setCreateTime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalDateTime<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        message<span class=\"token punctuation\">.<\/span><span class=\"token function\">setUpdateTime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalDateTime<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/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 keyword\">return<\/span> message<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4. \u5b9a\u65f6\u8865\u507f\u4efb\u52a1&#xff08;\u626b\u63cf &#043; \u53d1\u9001\u6d88\u606f&#xff09;<\/h4>\n<p>\u901a\u8fc7 Spring Scheduled \u5b9a\u65f6\u626b\u63cf\u5f85\u5904\u7406\u6d88\u606f&#xff0c;\u6267\u884c\u53d1\u9001\u903b\u8f91&#xff0c;\u5931\u8d25\u5219\u66f4\u65b0\u91cd\u8bd5\u6b21\u6570\u548c\u4e0b\u6b21\u91cd\u8bd5\u65f6\u95f4&#xff1a;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;EnableScheduling<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LocalMessageScheduledTask<\/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\">LocalMessageMapper<\/span> localMessageMapper<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\">RestTemplate<\/span> restTemplate<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5b9a\u65f6\u4efb\u52a1\u6267\u884c\u95f4\u9694&#xff08;30\u79d2&#xff0c;\u53ef\u901a\u8fc7\u914d\u7f6e\u4e2d\u5fc3\u52a8\u6001\u8c03\u6574&#xff09;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Scheduled<\/span><span class=\"token punctuation\">(<\/span>cron <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;0\/30 * * * * ?&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">processPendingMessages<\/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;\u5f00\u59cb\u626b\u63cf\u5f85\u5904\u7406\u672c\u5730\u6d88\u606f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 1. \u67e5\u8be2\u5f85\u5904\u7406\u4e14\u5df2\u5230\u91cd\u8bd5\u65f6\u95f4\u7684\u6d88\u606f&#xff08;\u52a0\u60b2\u89c2\u9501&#xff0c;\u9632\u6b62\u5e76\u53d1\u5904\u7406&#xff09;<\/span><br \/>\n        <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">LocalMessage<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> pendingMessages <span class=\"token operator\">&#061;<\/span> localMessageMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">selectPendingMessages<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalDateTime<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/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 class-name\">CollectionUtils<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">isEmpty<\/span><span class=\"token punctuation\">(<\/span>pendingMessages<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;\u65e0\u5f85\u5904\u7406\u672c\u5730\u6d88\u606f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 2. \u904d\u5386\u6d88\u606f&#xff0c;\u6267\u884c\u53d1\u9001\u903b\u8f91<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalMessage<\/span> message <span class=\"token operator\">:<\/span> pendingMessages<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\">\/\/ 2.1 \u66f4\u65b0\u6d88\u606f\u72b6\u6001\u4e3a\u201c\u53d1\u9001\u4e2d\u201d<\/span><br \/>\n                <span class=\"token function\">updateMessageStatus<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">LocalMessage<\/span><span class=\"token punctuation\">.<\/span>STATUS_SENDING<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ 2.2 \u53d1\u9001\u6d88\u606f\u5230\u76ee\u6807\u670d\u52a1<\/span><br \/>\n                <span class=\"token keyword\">boolean<\/span> sendSuccess <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">sendMessageToTargetService<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>sendSuccess<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token comment\">\/\/ 2.3 \u53d1\u9001\u6210\u529f&#xff1a;\u66f4\u65b0\u72b6\u6001\u4e3a\u201c\u5df2\u5b8c\u6210\u201d<\/span><br \/>\n                    <span class=\"token function\">updateMessageToCompleted<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/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;\u6d88\u606f\u53d1\u9001\u6210\u529f&#xff1a;msgId&#061;{}&#034;<\/span><span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMsgId<\/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 punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token comment\">\/\/ 2.4 \u53d1\u9001\u5931\u8d25&#xff1a;\u5904\u7406\u91cd\u8bd5\u903b\u8f91<\/span><br \/>\n                    <span class=\"token function\">handleRetry<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <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;\u5904\u7406\u6d88\u606f\u5931\u8d25&#xff1a;msgId&#061;{}, \u5f02\u5e38&#061;{}&#034;<\/span><span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMsgId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> e<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> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5f02\u5e38\u65f6\u540c\u6837\u5904\u7406\u91cd\u8bd5\u903b\u8f91<\/span><br \/>\n                <span class=\"token function\">handleRetry<\/span><span class=\"token punctuation\">(<\/span>message<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><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u53d1\u9001\u6d88\u606f\u5230\u76ee\u6807\u670d\u52a1<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">boolean<\/span> sendSuccess <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">sendMessageToTargetService<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>sendSuccess<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token comment\">\/\/ 2.3 \u53d1\u9001\u6210\u529f&#xff1a;\u66f4\u65b0\u72b6\u6001\u4e3a\u201c\u5df2\u5b8c\u6210\u201d<\/span><br \/>\n                    <span class=\"token function\">updateMessageToCompleted<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/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;\u6d88\u606f\u53d1\u9001\u6210\u529f&#xff1a;msgId&#061;{}&#034;<\/span><span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMsgId<\/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 punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token comment\">\/\/ 2.4 \u53d1\u9001\u5931\u8d25&#xff1a;\u5904\u7406\u91cd\u8bd5\u903b\u8f91<\/span><br \/>\n                    <span class=\"token function\">handleRetry<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <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;\u5904\u7406\u6d88\u606f\u5931\u8d25&#xff1a;msgId&#061;{}, \u5f02\u5e38&#061;{}&#034;<\/span><span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMsgId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> e<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> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5f02\u5e38\u65f6\u540c\u6837\u5904\u7406\u91cd\u8bd5\u903b\u8f91<\/span><br \/>\n                <span class=\"token function\">handleRetry<\/span><span class=\"token punctuation\">(<\/span>message<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><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u53d1\u9001\u6d88\u606f\u5230\u76ee\u6807\u670d\u52a1<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">sendMessageToTargetService<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalMessage<\/span> message<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\">\/\/ \u6784\u5efa\u8bf7\u6c42\u5934<\/span><br \/>\n            <span class=\"token class-name\">HttpHeaders<\/span> headers <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HttpHeaders<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            headers<span class=\"token punctuation\">.<\/span><span class=\"token function\">setContentType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">MediaType<\/span><span class=\"token punctuation\">.<\/span>APPLICATION_JSON<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u6784\u5efa\u8bf7\u6c42\u4f53<\/span><br \/>\n            <span class=\"token class-name\">HttpEntity<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> requestEntity <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HttpEntity<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMsgContent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> headers<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u53d1\u9001POST\u8bf7\u6c42<\/span><br \/>\n            <span class=\"token class-name\">ResponseEntity<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> response <span class=\"token operator\">&#061;<\/span> restTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">postForEntity<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                    message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getTargetUrl<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    requestEntity<span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><br \/>\n            <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u54cd\u5e94\u72b6\u6001\u7801200\u4e14\u8fd4\u56de\u6210\u529f\u6807\u8bc6&#xff0c;\u89c6\u4e3a\u53d1\u9001\u6210\u529f<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> response<span class=\"token punctuation\">.<\/span><span class=\"token function\">getStatusCode<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">is2xxSuccessful<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token string\">&#034;success&#034;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">equals<\/span><span class=\"token punctuation\">(<\/span>JSON<span class=\"token punctuation\">.<\/span><span class=\"token function\">parseObject<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBody<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;code&#034;<\/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            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8c03\u7528\u76ee\u6807\u670d\u52a1\u5931\u8d25&#xff1a;msgId&#061;{}, targetUrl&#061;{}&#034;<\/span><span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMsgId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getTargetUrl<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/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\">\/**<br \/>\n     * \u5904\u7406\u91cd\u8bd5\u903b\u8f91&#xff08;\u6307\u6570\u9000\u907f&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">handleRetry<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalMessage<\/span> message<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> currentRetryCount <span class=\"token operator\">&#061;<\/span> message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRetryCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8d85\u8fc7\u6700\u5927\u91cd\u8bd5\u6b21\u6570&#xff1a;\u6807\u8bb0\u4e3a\u6b7b\u4fe1<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>currentRetryCount <span class=\"token operator\">&gt;&#061;<\/span> MAX_RETRY_COUNT<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">updateMessageToFailed<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> currentRetryCount<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;\u6d88\u606f\u8fbe\u5230\u6700\u5927\u91cd\u8bd5\u6b21\u6570&#xff0c;\u6807\u8bb0\u4e3a\u6b7b\u4fe1&#xff1a;msgId&#061;{}, retryCount&#061;{}&#034;<\/span><span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMsgId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> currentRetryCount<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u672a\u8d85\u8fc7\u6700\u5927\u91cd\u8bd5\u6b21\u6570&#xff1a;\u8ba1\u7b97\u4e0b\u6b21\u91cd\u8bd5\u65f6\u95f4&#xff08;\u6307\u6570\u9000\u907f&#xff1a;5\u79d2\u00d72^\u91cd\u8bd5\u6b21\u6570&#xff09;<\/span><br \/>\n        <span class=\"token keyword\">long<\/span> retryInterval <span class=\"token operator\">&#061;<\/span> INIT_RETRY_INTERVAL_SECONDS <span class=\"token operator\">*<\/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> currentRetryCount<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">LocalDateTime<\/span> nextRetryTime <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">LocalDateTime<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">plusSeconds<\/span><span class=\"token punctuation\">(<\/span>retryInterval<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u66f4\u65b0\u91cd\u8bd5\u6b21\u6570\u548c\u4e0b\u6b21\u91cd\u8bd5\u65f6\u95f4&#xff0c;\u72b6\u6001\u91cd\u7f6e\u4e3a\u201c\u5f85\u5904\u7406\u201d<\/span><br \/>\n        <span class=\"token class-name\">LocalMessage<\/span> updateMsg <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LocalMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        updateMsg<span class=\"token punctuation\">.<\/span><span class=\"token function\">setId<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        updateMsg<span class=\"token punctuation\">.<\/span><span class=\"token function\">setRetryCount<\/span><span class=\"token punctuation\">(<\/span>currentRetryCount<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        updateMsg<span class=\"token punctuation\">.<\/span><span class=\"token function\">setNextRetryTime<\/span><span class=\"token punctuation\">(<\/span>nextRetryTime<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        updateMsg<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalMessage<\/span><span class=\"token punctuation\">.<\/span>STATUS_PENDING<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        updateMsg<span class=\"token punctuation\">.<\/span><span class=\"token function\">setUpdateTime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalDateTime<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        localMessageMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">updateById<\/span><span class=\"token punctuation\">(<\/span>updateMsg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6d88\u606f\u91cd\u8bd5\u5904\u7406&#xff1a;msgId&#061;{}, \u5f53\u524d\u91cd\u8bd5\u6b21\u6570&#061;{}, \u4e0b\u6b21\u91cd\u8bd5\u65f6\u95f4&#061;{}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMsgId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> currentRetryCount<span class=\"token punctuation\">,<\/span> nextRetryTime<span class=\"token punctuation\">)<\/span><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;- \u6d88\u606f\u72b6\u6001\u66f4\u65b0\u5de5\u5177\u65b9\u6cd5 &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">updateMessageStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Long<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Integer<\/span> status<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">LocalMessage<\/span> updateMsg <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LocalMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        updateMsg<span class=\"token punctuation\">.<\/span><span class=\"token function\">setId<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        updateMsg<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStatus<\/span><span class=\"token punctuation\">(<\/span>status<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        updateMsg<span class=\"token punctuation\">.<\/span><span class=\"token function\">setUpdateTime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalDateTime<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        localMessageMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">updateById<\/span><span class=\"token punctuation\">(<\/span>updateMsg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">updateMessageToCompleted<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Long<\/span> id<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">LocalMessage<\/span> updateMsg <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LocalMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        updateMsg<span class=\"token punctuation\">.<\/span><span class=\"token function\">setId<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        updateMsg<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalMessage<\/span><span class=\"token punctuation\">.<\/span>STATUS_COMPLETED<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        updateMsg<span class=\"token punctuation\">.<\/span><span class=\"token function\">setUpdateTime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalDateTime<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        localMessageMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">updateById<\/span><span class=\"token punctuation\">(<\/span>updateMsg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">updateMessageToFailed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Long<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Integer<\/span> retryCount<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">LocalMessage<\/span> updateMsg <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LocalMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        updateMsg<span class=\"token punctuation\">.<\/span><span class=\"token function\">setId<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        updateMsg<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalMessage<\/span><span class=\"token punctuation\">.<\/span>STATUS_FAILED<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        updateMsg<span class=\"token punctuation\">.<\/span><span class=\"token function\">setRetryCount<\/span><span class=\"token punctuation\">(<\/span>retryCount<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        updateMsg<span class=\"token punctuation\">.<\/span><span class=\"token function\">setUpdateTime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalDateTime<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        localMessageMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">updateById<\/span><span class=\"token punctuation\">(<\/span>updateMsg<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<h4>5. Mapper \u63a5\u53e3&#xff08;MyBatis-Plus&#xff09;<\/h4>\n<p><span class=\"token comment\">\/\/ \u672c\u5730\u6d88\u606f\u8868Mapper<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">LocalMessageMapper<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">BaseMapper<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">LocalMessage<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u67e5\u8be2\u5f85\u5904\u7406\/\u53d1\u9001\u4e2d\u4e14\u5df2\u5230\u91cd\u8bd5\u65f6\u95f4\u7684\u6d88\u606f&#xff08;\u60b2\u89c2\u9501&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Select<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;SELECT * FROM local_message WHERE status IN (#{statusPending}, #{statusSending}) &#034;<\/span> <span class=\"token operator\">&#043;<\/span><br \/>\n            <span class=\"token string\">&#034;AND next_retry_time &lt;&#061; #{currentTime} FOR UPDATE&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">LocalMessage<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">selectPendingMessages<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;Param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;statusPending&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">Integer<\/span> statusPending<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;Param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;statusSending&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">Integer<\/span> statusSending<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;Param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;currentTime&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">LocalDateTime<\/span> currentTime<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8ba2\u5355\u8868Mapper<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">OrderMapper<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">BaseMapper<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Order<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u57fa\u7840CRUD\u7531MyBatis-Plus\u81ea\u52a8\u751f\u6210<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>6. \u76ee\u6807\u670d\u52a1\u5e42\u7b49\u6027\u5b9e\u73b0&#xff08;\u5e93\u5b58\u670d\u52a1&#xff09;<\/h4>\n<p>\u5e93\u5b58\u670d\u52a1\u9700\u4fdd\u8bc1\u63a5\u53e3\u5e42\u7b49&#xff0c;\u9632\u6b62\u91cd\u590d\u6263\u51cf\u5e93\u5b58&#xff1a;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Service<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">StockService<\/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\">StockMapper<\/span> stockMapper<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\">StockOperateLogMapper<\/span> operateLogMapper<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6263\u5e93\u5b58&#xff08;\u5e42\u7b49\u5b9e\u73b0&#xff09;<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\">deductStock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">StockDeductDTO<\/span> deductDTO<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> orderNo <span class=\"token operator\">&#061;<\/span> deductDTO<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 class-name\">Long<\/span> productId <span class=\"token operator\">&#061;<\/span> deductDTO<span class=\"token punctuation\">.<\/span><span class=\"token function\">getProductId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">Integer<\/span> quantity <span class=\"token operator\">&#061;<\/span> deductDTO<span class=\"token punctuation\">.<\/span><span class=\"token function\">getQuantity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 1. \u5e42\u7b49\u6821\u9a8c&#xff1a;\u67e5\u8be2\u662f\u5426\u5df2\u5904\u7406\u8be5\u8ba2\u5355\u7684\u6263\u5e93\u5b58\u8bf7\u6c42<\/span><br \/>\n        <span class=\"token class-name\">StockOperateLog<\/span> log <span class=\"token operator\">&#061;<\/span> operateLogMapper<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>log <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5df2\u5904\u7406&#xff0c;\u76f4\u63a5\u8fd4\u56de\u6210\u529f<\/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><\/p>\n<p>        <span class=\"token comment\">\/\/ 2. \u6263\u51cf\u5e93\u5b58&#xff08;\u60b2\u89c2\u9501\u9632\u6b62\u5e76\u53d1\u6263\u51cf&#xff09;<\/span><br \/>\n        <span class=\"token class-name\">Stock<\/span> stock <span class=\"token operator\">&#061;<\/span> stockMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">selectByProductIdForUpdate<\/span><span class=\"token punctuation\">(<\/span>productId<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>stock <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">||<\/span> stock<span class=\"token punctuation\">.<\/span><span class=\"token function\">getQuantity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> quantity<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;\u5e93\u5b58\u4e0d\u8db3&#xff0c;\u5546\u54c1ID&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> productId<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        stock<span class=\"token punctuation\">.<\/span><span class=\"token function\">setQuantity<\/span><span class=\"token punctuation\">(<\/span>stock<span class=\"token punctuation\">.<\/span><span class=\"token function\">getQuantity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&#8211;<\/span>quantity<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        stockMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">updateById<\/span><span class=\"token punctuation\">(<\/span>stock<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 3. \u8bb0\u5f55\u64cd\u4f5c\u65e5\u5fd7&#xff08;\u5e42\u7b49\u6807\u8bb0&#xff09;<\/span><br \/>\n        <span class=\"token class-name\">StockOperateLog<\/span> operateLog <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">StockOperateLog<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        operateLog<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOrderNo<\/span><span class=\"token punctuation\">(<\/span>orderNo<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        operateLog<span class=\"token punctuation\">.<\/span><span class=\"token function\">setProductId<\/span><span class=\"token punctuation\">(<\/span>productId<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        operateLog<span class=\"token punctuation\">.<\/span><span class=\"token function\">setQuantity<\/span><span class=\"token punctuation\">(<\/span>quantity<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        operateLog<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOperateType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;DEDUCT&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        operateLog<span class=\"token punctuation\">.<\/span><span class=\"token function\">setCreateTime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalDateTime<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        operateLogMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>operateLog<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <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<h3>\u4e09\u3001\u751f\u4ea7\u73af\u5883\u4f18\u5316\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h3>\n<h4>1. \u6027\u80fd\u4f18\u5316<\/h4>\n<ul>\n<li>\u7d22\u5f15\u4f18\u5316&#xff1a;\u6d88\u606f\u8868\u6dfb\u52a0idx_status_next_retry_time\u590d\u5408\u7d22\u5f15&#xff0c;\u63d0\u5347\u626b\u63cf\u6548\u7387&#xff1b;<\/li>\n<li>\u6279\u91cf\u5904\u7406&#xff1a;\u5b9a\u65f6\u4efb\u52a1\u6279\u91cf\u8bfb\u53d6\u6d88\u606f&#xff08;\u5982\u6bcf\u6b21 100 \u6761&#xff09;&#xff0c;\u51cf\u5c11\u6570\u636e\u5e93\u8fde\u63a5\u5f00\u9500&#xff1b;<\/li>\n<li>\u5206\u5e93\u5206\u8868&#xff1a;\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b&#xff0c;\u6309\u6d88\u606f\u7c7b\u578b\u6216\u4e1a\u52a1 ID \u5206\u7247&#xff0c;\u907f\u514d\u6d88\u606f\u8868\u6210\u4e3a\u74f6\u9888&#xff1b;<\/li>\n<li>\u5f02\u6b65\u5316&#xff1a;\u6d88\u606f\u53d1\u9001\u903b\u8f91\u5f02\u6b65\u6267\u884c&#xff0c;\u907f\u514d\u963b\u585e\u5b9a\u65f6\u4efb\u52a1\u4e3b\u7ebf\u7a0b\u3002<\/li>\n<\/ul>\n<h4>2. \u53ef\u9760\u6027\u589e\u5f3a<\/h4>\n<ul>\n<li>\u6b7b\u4fe1\u5904\u7406&#xff1a;\u6b7b\u4fe1\u6d88\u606f\u5b58\u5165\u6b7b\u4fe1\u8868&#xff0c;\u63d0\u4f9b\u53ef\u89c6\u5316\u754c\u9762\u4eba\u5de5\u91cd\u8bd5&#xff1b;<\/li>\n<li>\u76d1\u63a7\u544a\u8b66&#xff1a;\u63a5\u5165 Prometheus&#043;Grafana&#xff0c;\u76d1\u63a7\u6d88\u606f\u53d1\u9001\u6210\u529f\u7387\u3001\u91cd\u8bd5\u6b21\u6570\u3001\u6b7b\u4fe1\u6570\u91cf&#xff0c;\u5f02\u5e38\u65f6\u544a\u8b66&#xff1b;<\/li>\n<li>\u5206\u5e03\u5f0f\u9501&#xff1a;\u5b9a\u65f6\u4efb\u52a1\u6267\u884c\u65f6\u52a0\u5206\u5e03\u5f0f\u9501&#xff08;\u5982 Redis \u9501&#xff09;&#xff0c;\u9632\u6b62\u591a\u5b9e\u4f8b\u91cd\u590d\u626b\u63cf&#xff1b;<\/li>\n<li>\u65e5\u5fd7\u94fe\u8def\u8ffd\u8e2a&#xff1a;\u901a\u8fc7traceId\u4e32\u8054\u4e1a\u52a1\u64cd\u4f5c\u4e0e\u6d88\u606f\u53d1\u9001\u65e5\u5fd7&#xff0c;\u4fbf\u4e8e\u95ee\u9898\u6392\u67e5\u3002<\/li>\n<\/ul>\n<h4>3. \u5e42\u7b49\u6027\u8fdb\u9636\u65b9\u6848<\/h4>\n<table>\n<tr>\u5e42\u7b49\u5b9e\u73b0\u65b9\u5f0f\u9002\u7528\u573a\u666f\u5b9e\u73b0\u8981\u70b9<\/tr>\n<tbody>\n<tr>\n<td>\u552f\u4e00\u6807\u8bc6<\/td>\n<td>\u8ba2\u5355\u3001\u652f\u4ed8\u7b49\u6709\u552f\u4e00 ID \u7684\u573a\u666f<\/td>\n<td>\u6d88\u606f ID \/ \u8ba2\u5355\u53f7\u4f5c\u4e3a\u552f\u4e00\u952e&#xff0c;\u67e5\u8be2\u64cd\u4f5c\u65e5\u5fd7\u5224\u65ad\u662f\u5426\u5df2\u5904\u7406<\/td>\n<\/tr>\n<tr>\n<td>\u4e50\u89c2\u9501<\/td>\n<td>\u5e93\u5b58\u6263\u51cf\u3001\u4f59\u989d\u66f4\u65b0\u7b49\u6570\u503c\u64cd\u4f5c<\/td>\n<td>\u57fa\u4e8e\u7248\u672c\u53f7\u66f4\u65b0&#xff0c;UPDATE &#8230; SET version&#061;version&#043;1 WHERE version&#061;#{version}<\/td>\n<\/tr>\n<tr>\n<td>\u72b6\u6001\u673a\u6821\u9a8c<\/td>\n<td>\u6d41\u7a0b\u7c7b\u4e1a\u52a1&#xff08;\u5982\u8ba2\u5355\u72b6\u6001\u6d41\u8f6c&#xff09;<\/td>\n<td>\u72b6\u6001\u53d8\u66f4\u9700\u7b26\u5408\u9884\u8bbe\u6d41\u7a0b&#xff0c;\u5982 \u201c\u5f85\u652f\u4ed8\u201d\u2192\u201c\u5df2\u652f\u4ed8\u201d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>4. \u4e0e\u5176\u4ed6\u65b9\u6848\u5bf9\u6bd4<\/h4>\n<table>\n<tr>\u65b9\u6848\u4f9d\u8d56\u590d\u6742\u5ea6\u5b9e\u65f6\u6027\u9002\u7528\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td>\u672c\u5730\u6d88\u606f\u8868<\/td>\n<td>\u65e0<\/td>\n<td>\u4f4e<\/td>\n<td>\u4e2d&#xff08;\u53d6\u51b3\u4e8e\u626b\u63cf\u95f4\u9694&#xff09;<\/td>\n<td>\u5c0f\u578b\u56e2\u961f\u3001\u8d44\u6e90\u6709\u9650\u3001\u8f7b\u91cf\u7ea7\u573a\u666f<\/td>\n<\/tr>\n<tr>\n<td>RocketMQ 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RabbitMQ\/RocketMQ\/Kafka \u4e8b\u52a1\u6d88\u606f&#xff0c;\u63d0\u5347\u5b9e\u65f6\u6027\u4e0e\u541e\u5410\u91cf&#xff1b;<\/li>\n<li>\u5f15\u5165 Saga \u6a21\u5f0f&#xff1a;\u5904\u7406\u957f\u94fe\u8def\u4e1a\u52a1&#xff0c;\u652f\u6301\u6b63\u5411\u6d41\u7a0b\u4e0e\u53cd\u5411\u8865\u507f&#xff1b;<\/li>\n<li>\u4e91\u539f\u751f\u9002\u914d&#xff1a;\u7ed3\u5408 Serverless \u67b6\u6784&#xff0c;\u5b9e\u73b0\u6d88\u606f\u5904\u7406\u7684\u5f39\u6027\u6269\u7f29\u5bb9\u3002<\/li>\n","protected":false},"excerpt":{"rendered":"<p>\u65e0\u4e2d\u95f4\u4ef6\u4f9d\u8d56&#xff01;SpringBoot  \u672c\u5730\u6d88\u606f\u8868\u5b9e\u73b0\u5206\u5e03\u5f0f\u6700\u7ec8\u4e00\u81f4\u6027<br \/>\n\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d&#xff0c;\u8de8\u670d\u52a1\u6570\u636e\u4e00\u81f4\u6027\u662f\u6838\u5fc3\u96be\u9898 \u2014\u2014 \u4f8b\u5982\u7535\u5546\u4e0b\u5355\u65f6&#xff0c;\u9700\u540c\u65f6\u5b8c\u6210\u8ba2\u5355\u521b\u5efa\u3001\u5e93\u5b58\u6263\u51cf\u3001\u79ef\u5206\u589e\u52a0\u7b49\u64cd\u4f5c&#xff0c;\u82e5\u67d0\u4e00\u6b65\u5931\u8d25&#xff0c;\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u3002\u4e3b\u6d41\u7684\u5206\u5e03\u5f0f\u4e8b\u52a1\u65b9\u6848&#xff08;\u5982 Seata\u3001RocketMQ \u4e8b\u52a1\u6d88\u606f&#xff09;\u9700\u4f9d\u8d56\u989d\u5916\u4e2d\u95f4\u4ef6&#xff0c;\u8fd0\u7ef4\u6210\u672c\u9ad8&#xff0c;\u4e0d\u9002\u7528\u4e8e\u5c0f\u578b\u56e2\u961f\u6216\u8d44\u6e90\u6709\u9650\u7684\u573a\u666f\u3002\u672c\u6587\u8be6\u7ec6<\/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":[98,668,664,292,125,124],"topic":[],"class_list":["post-62951","post","type-post","status-publish","format-standard","hentry","category-server","tag-spring-boot","tag-668","tag-664","tag-292","tag-125","tag-124"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u65e0\u4e2d\u95f4\u4ef6\u4f9d\u8d56\uff01SpringBoot + \u672c\u5730\u6d88\u606f\u8868\u5b9e\u73b0\u5206\u5e03\u5f0f\u6700\u7ec8\u4e00\u81f4\u6027 - 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