DM-ROW 接口文档

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数据一致性保障 ​

**本文引用的文件** - [LemesAuthApplication.java](file://lemes-cloud/lemes-auth/src/main/java/com/lenovo/lemes/auth/LemesAuthApplication.java) - [AuthorizationServerConfig.java](file://lemes-cloud/lemes-auth/src/main/java/com/lenovo/lemes/auth/config/AuthorizationServerConfig.java) - [SysLoginController.java](file://lemes-cloud/lemes-auth/src/main/java/com/lenovo/lemes/auth/controller/SysLoginController.java) - [CustomOAuth2AccessTokenGenerator.java](file://lemes-cloud/lemes-auth/src/main/java/com/lenovo/lemes/auth/security/CustomOAuth2AccessTokenGenerator.java) - [CustomOAuth2RefreshTokenGenerator.java](file://lemes-cloud/lemes-auth/src/main/java/com/lenovo/lemes/auth/security/CustomOAuth2RefreshTokenGenerator.java) - [CustomOAuth2TokenCustomizer.java](file://lemes-cloud/lemes-auth/src/main/java/com/lenovo/lemes/auth/security/CustomOAuth2TokenCustomizer.java) - [CustomUserDetailsServiceImpl.java](file://lemes-cloud/lemes-auth/src/main/java/com/lenovo/lemes/auth/security/CustomUserDetailsServiceImpl.java) - [CustomeRefreshTokenAuthenticationConverter.java](file://lemes-cloud/lemes-auth/src/main/java/com/lenovo/lemes/auth/security/CustomeRefreshTokenAuthenticationConverter.java) - [PasswordAuthenticationConverter.java](file://lemes-cloud/lemes-auth/src/main/java/com/lenovo/lemes/auth/security/password/PasswordAuthenticationConverter.java) - [PasswordAuthenticationProvider.java](file://lemes-cloud/lemes-auth/src/main/java/com/lenovo/lemes/auth/security/password/PasswordAuthenticationProvider.java) - [PasswordAuthenticationToken.java](file://lemes-cloud/lemes-auth/src/main/java/com/lenovo/lemes/auth/security/password/PasswordAuthenticationToken.java) - [PasswordDaoAuthenticationProvider.java](file://lemes-cloud/lemes-auth/src/main/java/com/lenovo/lemes/auth/security/password/PasswordDaoAuthenticationProvider.java) - [OAuth2EndpointUtils.java](file://lemes-cloud/lemes-auth/src/main/java/com/lenovo/lemes/auth/util/OAuth2EndpointUtils.java) - [BaseEntity.java](file://lemes-cloud/lemes-framework/lemes-framework-core/src/main/java/com/lenovo/lemes/framework/core/base/BaseEntity.java) - [BaseEnum.java](file://lemes-cloud/lemes-framework/lemes-framework-core/src/main/java/com/lenovo/lemes/framework/core/base/BaseEnum.java) - [BasePage.java](file://lemes-cloud/lemes-framework/lemes-framework-core/src/main/java/com/lenovo/lemes/framework/core/base/BasePage.java) - [SuperEntity.java](file://lemes-cloud/lemes-framework/lemes-framework-core/src/main/java/com/lenovo/lemes/framework/core/base/SuperEntity.java) - [JacksonConfig.java](file://lemes-cloud/lemes-framework/lemes-framework-core/src/main/java/com/lenovo/lemes/framework/core/config/JacksonConfig.java) - [FeignConfiguration.java](file://lemes-cloud/lemes-framework/lemes-framework-core/src/main/java/com/lenovo/lemes/framework/core/config/FeignConfiguration.java) - [FilterIgnoreProperties.java](file://lemes-cloud/lemes-framework/lemes-framework-core/src/main/java/com/lenovo/lemes/framework/core/config/FilterIgnoreProperties.java) - [DefaultRedisConfig.java](file://lemes-cloud/lemes-framework/lemes-framework-core/src/main/java/com/lenovo/lemes/framework/core/config/DefaultRedisConfig.java) - [CustomMethodSecurityConfiguration.java](file://lemes-cloud/lemes-framework/lemes-framework-auth/src/main/java/com/lenovo/lemes/framework/auth/config/CustomMethodSecurityConfiguration.java) - [CustomMethodSecurityExpressionHandler.java](file://lemes-cloud/lemes-framework/lemes-framework-auth/src/main/java/com/lenovo/lemes/framework/auth/config/CustomMethodSecurityExpressionHandler.java) - [CustomOpaqueTokenIntrospector.java](file://lemes-cloud/lemes-framework/lemes-framework-auth/src/main/java/com/lenovo/lemes/framework/auth/config/CustomOpaqueTokenIntrospector.java) - [LemesAuthProperties.java](file://lemes-cloud/lemes-framework/lemes-framework-auth/src/main/java/com/lenovo/lemes/framework/auth/config/LemesAuthProperties.java) - [LemesClientProperty.java](file://lemes-cloud/lemes-framework/lemes-framework-auth/src/main/java/com/lenovo/lemes/framework/auth/config/LemesClientProperty.java) - [ResourceServerAutoConfiguration.java](file://lemes-cloud/lemes-framework/lemes-framework-auth/src/main/java/com/lenovo/lemes/framework/auth/config/ResourceServerAutoConfiguration.java) - [UserConfig.java](file://lemes-cloud/lemes-framework/lemes-framework-auth/src/main/java/com/lenovo/lemes/framework/auth/config/UserConfig.java) - [SecurityConstants.java](file://lemes-cloud/lemes-framework/lemes-framework-auth/src/main/java/com/lenovo/lemes/framework/auth/constant/SecurityConstants.java) - [AuthExceptionEntryPoint.java](file://lemes-cloud/lemes-framework/lemes-framework-auth/src/main/java/com/lenovo/lemes/framework/auth/exception/AuthExceptionEntryPoint.java) - [CustomAccessDeniedHandler.java](file://lemes-cloud/lemes-framework/lemes-framework-auth/src/main/java/com/lenovo/lemes/framework/auth/exception/CustomAccessDeniedHandler.java) - [OAuth2AuthenticationDeserialize.java](file://lemes-cloud/lemes-framework/lemes-framework-auth/src/main/java/com/lenovo/lemes/framework/auth/security/OAuth2AuthenticationDeserialize.java) - [BCryptUtil.java](file://lemes-cloud/lemes-framework/lemes-framework-auth/src/main/java/com/lenovo/lemes/framework/auth/util/BCryptUtil.java) - [CustomUserDetails.java](file://lemes-cloud/lemes-framework/lemes-framework-auth/src/main/java/com/lenovo/lemes/framework/auth/util/CustomUserDetails.java) - [CustomUserDetailsDTO.java](file://lemes-cloud/lemes-framework/lemes-framework-auth/src/main/java/com/lenovo/lemes/framework/auth/util/CustomUserDetailsDTO.java) - [PasswordUtil.java](file://lemes-cloud/lemes-framework/lemes-framework-auth/src/main/java/com/lenovo/lemes/framework/auth/util/PasswordUtil.java) - [UserUtils.java](file://lemes-cloud/lemes-framework/lemes-framework-auth/src/main/java/com/lenovo/lemes/framework/auth/util/UserUtils.java) - [OpenApiController.java](file://lemes-cloud/lemes-framework/lemes-framework-datasource/src/main/java/com/lenovo/lemes/datasource/api/OpenApiController.java) - [OpenApiFrameworkMapper.java](file://lemes-cloud/lemes-framework/lemes-framework-datasource/src/main/java/com/lenovo/lemes/datasource/mapper/OpenApiFrameworkMapper.java) - [DynamicDbName.java](file://lemes-cloud/lemes-framework/lemes-framework-datasource/src/main/java/com/lenovo/lemes/datasource/constants/DynamicDbName.java) - [DataBaseAdapter.java](file://lemes-cloud/lemes-framework/lemes-framework-datasource/src/main/java/com/lenovo/lemes/datasource/adapter/DataBaseAdapter.java) - [DataBaseAdapterService.java](file://lemes-cloud/lemes-framework/lemes-framework-datasource/src/main/java/com/lenovo/lemes/datasource/adapter/DataBaseAdapterService.java) - [device.sql](file://docs/ddl/device.sql) - [store.sql](file://docs/ddl/store.sql) - [workflow.sql](file://docs/ddl/workflow.sql) - [DmConst.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/constant/DmConst.java) - [SystemExceptionCode.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/constant/SystemExceptionCode.java) - [MybatisPlusConfig.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/config/MybatisPlusConfig.java) - [FactoryInterceptor.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/config/FactoryInterceptor.java) - [DepartmentApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/DepartmentApi.java) - [DeviceMainApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/DeviceMainApi.java) - [FileApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/FileApi.java) - [LineApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/LineApi.java) - [PasteGlueApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/PasteGlueApi.java) - [PasteGlueOperationApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/PasteGlueOperationApi.java) - [ProcessApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/ProcessApi.java) - [ProductModelApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/ProductModelApi.java) - [StockMainApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/StockMainApi.java) - [SysDictApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/SysDictApi.java) - [SysUserApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/SysUserApi.java) - [AttachmentEntity.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/entity/AttachmentEntity.java) - [PrinterDo.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/entity/PrinterDo.java) - [RoleDo.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/entity/RoleDo.java) - [DepartmentDo.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/entity/DepartmentDo.java) - [FactoryDo.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/entity/FactoryDo.java) - [Email.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/entity/Email.java) - [EmailMessageInfo.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/entity/EmailMessageInfo.java) - [MessageInfo.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/entity/MessageInfo.java) - [AppAutoUpgrade.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/entity/AppAutoUpgrade.java) - [LangugaeResourceDo.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/entity/LangugaeResourceDo.java) - [ResourceDo.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/entity/ResourceDo.java) - [ResourceI18nDo.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/entity/ResourceI18nDo.java) - [SysDictApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/SysDictApi.java) - [SysUserApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/SysUserApi.java) - [SysDictApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/SysDictApi.java) - [SysUserApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/SysUserApi.java) - [SysDictApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/SysDictApi.java) - [SysUserApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/SysUserApi.java) - [SysDictApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/SysDictApi.java) - [SysUserApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/SysUserApi.java) - [SysDictApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/SysDictApi.java) - [SysUserApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/SysUserApi.java) - [SysDictApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/SysDictApi.java) - [SysUserApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/SysUserApi.java) - [SysDictApi.java](file://lemes-cloud/lemes-business-devicemate/lemes-service-dm-common/lemes-service-dm-common-common/src/main/java/com/lenovo/lemes/service/dm/common/client/api/SysDictApi.java) ......

目录 ​

  1. 引言
  2. 项目结构
  3. 核心组件
  4. 架构总览
  5. 详细组件分析
  6. 依赖关系分析
  7. 性能考量
  8. 故障排查指南
  9. 结论
  10. 附录

引言 ​

本文件面向架构师与高级开发人员，系统化阐述 DeviceMate 项目的“数据一致性保障”方案。内容覆盖分布式事务策略（Saga 与 TCC 的适用性与落地建议）、缓存与数据库一致性（Cache-Aside、Write-Through、Cache Invalidation）、数据同步策略（异步消息、定时任务、触发器）、数据版本控制（乐观锁、悲观锁、并发控制）、数据校验与修复机制、以及事务边界设计原则（长事务治理、超时与死锁预防）。本文所有技术要点均基于仓库现有代码与配置进行归纳总结，并提供可操作的设计与实施建议。

项目结构 ​

DeviceMate 后端采用多模块分层架构：认证授权模块、通用框架模块、业务服务模块（设备、库存、工作流）与数据源适配模块。认证与安全配置位于 lemes-auth 与 lemes-framework-auth；通用实体、配置与异常定义位于 lemes-framework-core；业务公共 API 与实体位于 lemes-service-dm-common；各业务子域在 lemes-service-dm-device、lemes-service-dm-store、lemes-service-dm-workflow 中实现；数据源适配与动态数据源能力位于 lemes-framework-datasource。

图示来源

章节来源

核心组件 ​

  • 认证与安全：提供 OAuth2 资源服务器、令牌生成与定制、用户详情服务、密码认证链路等，确保访问边界与身份可信。
  • 通用框架：统一实体基类、分页基类、枚举基类、Jackson 配置、Feign 客户端配置、Redis 默认配置等，支撑各业务域一致性。
  • 业务公共层：公共 API 接口、常量与异常码、MyBatis Plus 配置与拦截器，统一业务调用契约与数据访问规范。
  • 数据源适配：动态数据源常量、适配器与 Mapper，支持多数据源场景下的数据一致性策略选择。

章节来源

架构总览 ​

下图展示认证、安全、通用框架与业务域之间的交互关系，以及数据源适配如何贯穿其中，为后续一致性策略提供基础设施。

图示来源

详细组件分析 ​

分布式事务处理策略 ​

  • Saga 模式应用建议
    • 适用场景：跨服务的长流程（如设备变更引发库存与工作流联动），通过命令与补偿动作组合实现最终一致。
    • 实施要点：以事件驱动为核心，每个子步骤提交成功后发布事件；失败时按相反顺序执行补偿，避免悬挂状态。
    • 与现有组件结合：利用通用异常码与日志体系记录 Saga 步骤状态；通过消息中间件或事件表实现幂等与重试。
  • TCC 事务实现建议
    • 适用场景：对强一致有明确需求的短事务，或可预留资源的场景。
    • 实施要点：Try 阶段预留资源并冻结；Confirm 阶段确认冻结；Cancel 阶段释放冻结。需严格控制 Try/Cf 的幂等与超时。
    • 与现有组件结合：在业务服务层封装 Try/Confirm/Cancel 方法，配合统一异常与回滚策略。
  • 最终一致性保证机制
    • 基于事件的补偿与重试：通过统一异常码与重试队列，确保失败步骤被兜底恢复。
    • 幂等设计：以业务键与版本号作为幂等依据，避免重复执行造成副作用。

说明：本节为一致性策略设计建议，具体实现需结合业务流程与消息中间件能力进行落地。

缓存与数据库双写一致性 ​

  • Cache-Aside 模式
    • 读路径：先查缓存，未命中再查库并回填缓存；写路径：先更新数据库，再删除缓存，避免脏读。
    • 与现有组件结合：利用默认 Redis 配置与序列化策略，确保键空间与过期策略一致。
  • Write-Through 策略
    • 写入时同时写库与缓存，适用于高命中率场景；需注意缓存写入失败的回滚与重试。
  • Cache Invalidation 机制
    • 明确失效策略：写操作后主动失效相关键；批量更新时采用前缀匹配或标签化键空间。
  • 与现有组件结合
    • 默认 Redis 配置与 Jackson 序列化配置为缓存一致性提供基础；业务层应遵循统一的键命名与过期策略。

章节来源

数据同步策略 ​

  • 异步消息同步
    • 场景：跨域数据变更通知（如设备状态变化影响库存与工单），通过消息中间件实现解耦与削峰。
    • 实施：在业务服务中发布领域事件，消费者侧幂等消费并更新目标数据。
  • 定时任务同步
    • 场景：对账与对齐差异数据，定期扫描不一致项并修复。
    • 实施：基于调度框架执行增量扫描与修复脚本。
  • 触发器同步
    • 场景：数据库层面的审计与统计口径同步，适用于低频但强一致要求的场景。
    • 实施：谨慎使用，避免触发器复杂度导致性能问题。

说明：本节为同步策略设计建议，需结合消息中间件与调度框架能力进行落地。

数据版本控制机制 ​

  • 乐观锁实现
    • 基于版本字段（如更新时间戳或整型版本号）在更新时校验版本一致性，冲突时重试或报错。
    • 与现有组件结合：统一实体基类与 MyBatis Plus 配置支持乐观锁字段映射。
  • 悲观锁策略
    • 在关键读取路径加排他锁，适用于高并发写入且需要强隔离的场景。
    • 注意：需严格控制锁粒度与持有时间，避免阻塞放大。
  • 并发控制方案
    • 结合 Redis 分布式锁或数据库行级锁，确保同一业务对象的串行化处理。
    • 与现有组件结合：利用默认 Redis 配置与工具类，统一加锁与解锁逻辑。

章节来源

数据校验与修复机制 ​

  • 数据完整性检查
    • 字段约束与非空校验：基于实体定义与数据库约束，确保必填字段与格式正确。
    • 外键一致性：定期扫描外键引用是否存在孤儿数据。
  • 异常数据处理
    • 统一异常码与错误分类，区分业务异常与系统异常；对可恢复异常进行自动重试。
  • 数据修复工具
    • 提供离线修复脚本与在线修复接口，支持批量修正与回滚。
    • 与现有组件结合：利用公共异常码与日志体系记录修复过程与结果。

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事务边界设计原则 ​

  • 长事务处理
    • 将长事务拆分为多个短事务，减少锁持有时间与资源占用。
    • 对必要长事务设置明确时限与监控告警。
  • 事务超时控制
    • 为每个事务设置合理超时阈值，超时即回滚并记录异常。
  • 死锁预防策略
    • 统一资源获取顺序，避免循环等待；引入随机退避与重试上限。

说明：本节为事务治理原则，需结合数据库与框架配置共同落实。

依赖关系分析 ​

下图展示认证、安全、框架与业务域之间的依赖关系，以及数据源适配在其中的作用。

图示来源

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性能考量 ​

  • 缓存命中率优化：合理设置键空间与过期策略，避免热点键与雪崩。
  • 数据库连接池与 SQL 优化：统一连接池配置与慢查询监控，避免长事务与全表扫描。
  • 消息与定时任务的吞吐：限流与分区策略，避免峰值冲击。
  • 并发控制：分布式锁粒度与超时设置，防止阻塞放大。

故障排查指南 ​

  • 认证与安全
    • 身份验证失败：检查令牌生成与定制、用户详情加载与密码认证链路。
    • 权限拒绝：核对方法级安全表达式与资源服务器配置。
  • 通用框架
    • JSON 序列化异常：核对 Jackson 配置与类型注册。
    • Feign 调用异常：检查客户端配置与降级策略。
  • 业务公共层
    • 数据访问异常：核对 MyBatis Plus 配置与拦截器行为。
  • 数据源适配
    • 动态数据源切换异常：核对常量与适配器实现。

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结论 ​

DeviceMate 的数据一致性保障应以“最终一致性为主、强一致为辅”的混合策略构建：对跨域长流程采用 Saga 与事件驱动，对短事务采用 TCC 或本地事务；通过 Cache-Aside 与统一缓存策略保障缓存与数据库一致性；借助异步消息、定时任务与触发器实现多维同步；以乐观锁与分布式锁实现并发控制；以统一异常码与日志体系支撑数据校验与修复。上述方案与现有认证、安全、框架与业务公共层组件形成良好协同，可为生产环境提供稳定可靠的一致性保障。

附录 ​