2026-03-19 15:23:56 +08:00
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# 语义中心(Semantic Hub)
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> 统一全局语义定义,确保AI开发的一致性和可维护性
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## 1. 统一数据字典
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### 核心术语表
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| 术语 | 定义 | 适用范围 |
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|------|------|----------|
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| 商户(Merchant) | 平台的注册用户,可拥有多个店铺 | 全局 |
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| 用户(User) | 商户下的具体操作人员,拥有不同角色权限 | 全局 |
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| 店铺(Store) | 商户在特定电商平台上的销售渠道 | 全局 |
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| 商品(Product) | 可销售的具体物品,包含SKU、价格、库存等信息 | 全局 |
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| 订单(Order) | 客户的购买请求,包含商品、数量、金额等信息 | 全局 |
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| 子订单(SubOrder) | 主订单拆分后的单个店铺订单 | 全局 |
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| 库存(Inventory) | 商品在仓库中的存储数量 | 全局 |
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| 支付(Payment) | 商户或客户的资金交易 | 全局 |
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| 账单(Bill) | 商户的收支记录 | 全局 |
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| 结算(Settlement) | 商户的周期性资金结算 | 全局 |
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| 功能(Feature) | 平台提供的可开通服务 | 全局 |
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| 任务(Task) | 系统执行的具体操作,如数据同步、商品上架等 | 全局 |
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2026-03-20 09:43:50 +08:00
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| 运营代理(Agent) | 负责与各电商平台的交互操作 | 全局 |
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2026-03-19 15:23:56 +08:00
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| 平台适配器(Platform Adapter) | 对接特定电商平台的接口实现 | 全局 |
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2026-03-20 09:43:50 +08:00
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| 前端控制台(Frontend Console) | 前端管理界面,用户操作入口 | 全局 |
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| 后端服务(Backend Service) | 后端业务逻辑处理服务 | 全局 |
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| 第三方平台(External Platform) | 外部电商平台(Amazon、eBay等) | 全局 |
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2026-03-19 15:23:56 +08:00
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## 2. 标准数据模型
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### 实体关系图
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```mermaid
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erDiagram
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Merchant ||--o{ User : has
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Merchant ||--o{ Store : manages
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Merchant ||--o{ Order : places
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Merchant ||--o{ Product : sells
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Merchant ||--o{ Inventory : owns
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Merchant ||--o{ Payment : makes
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Merchant ||--o{ Bill : receives
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Merchant ||--o{ Settlement : processes
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Merchant ||--o{ MerchantFeature : subscribes
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Store ||--o{ Product : lists
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Store ||--o{ SubOrder : fulfills
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Order ||--o{ SubOrder : splits
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Product ||--o{ Inventory : has
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Feature ||--o{ MerchantFeature : is_subscribed
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```
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### 数据模型规范
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#### 通用字段
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| 字段名 | 数据类型 | 描述 | 适用实体 |
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|--------|----------|------|----------|
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| id | UUID | 唯一标识符 | 所有实体 |
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| created_at | Timestamp | 创建时间 | 所有实体 |
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| updated_at | Timestamp | 更新时间 | 所有实体 |
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| status | String | 状态 | 所有实体 |
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#### 商户(Merchant)
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| 字段名 | 数据类型 | 描述 | 约束 |
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|--------|----------|------|--------|
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| name | String | 商户名称 | 必填 |
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| business_type | String | 业务类型(B2B/B2C) | 必填 |
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| contact_person | String | 联系人 | 必填 |
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| contact_email | String | 联系邮箱 | 必填,邮箱格式 |
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| contact_phone | String | 联系电话 | 必填 |
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| address | String | 地址 | 可选 |
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#### 店铺(Store)
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| 字段名 | 数据类型 | 描述 | 约束 |
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|--------|----------|------|--------|
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| merchant_id | UUID | 商户ID | 必填 |
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| name | String | 店铺名称 | 必填 |
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| platform | String | 电商平台 | 必填 |
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| platform_shop_id | String | 平台店铺ID | 必填 |
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| description | String | 店铺描述 | 可选 |
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#### 商品(Product)
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| 字段名 | 数据类型 | 描述 | 约束 |
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|--------|----------|------|--------|
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| merchant_id | UUID | 商户ID | 必填 |
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| store_id | UUID | 店铺ID | 必填 |
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| name | String | 商品名称 | 必填 |
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| sku | String | 商品SKU | 必填 |
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| price | Decimal(10,2) | 商品价格 | 必填,大于0 |
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| stock | Integer | 商品库存 | 必填,大于等于0 |
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#### 订单(Order)
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| 字段名 | 数据类型 | 描述 | 约束 |
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|--------|----------|------|--------|
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| user_id | UUID | 用户ID | 必填 |
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| merchant_id | UUID | 商户ID | 必填 |
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| total_amount | Decimal(10,2) | 订单总金额 | 必填,大于0 |
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| shipping_address | JSON | 收货地址 | 必填 |
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| payment_method | String | 支付方式 | 必填 |
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## 3. 状态机统一
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### 状态定义规范
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- 状态名称使用小写蛇形命名法
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- 状态流转必须符合预定义路径
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- 状态变更必须通过Service层
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- 状态变更必须记录操作日志
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### 统一状态机
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#### 商户状态
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```mermaid
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stateDiagram
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[*] --> pending
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pending --> active : 审核通过
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pending --> inactive : 审核拒绝
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active --> inactive : 手动停用
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active --> suspended : 违规/逾期
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suspended --> active : 恢复
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suspended --> inactive : 永久停用
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inactive --> [*]
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```
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#### 店铺状态
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```mermaid
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stateDiagram
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[*] --> pending
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pending --> active : 绑定成功
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pending --> inactive : 绑定失败
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active --> inactive : 手动停用
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active --> suspended : 平台违规
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suspended --> active : 恢复
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suspended --> inactive : 永久停用
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inactive --> [*]
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```
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#### 订单状态
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```mermaid
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stateDiagram
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[*] --> pending
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pending --> paid : 支付成功
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pending --> cancelled : 取消订单
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paid --> processing : 开始处理
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processing --> split : 拆分订单
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split --> shipping : 准备发货
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shipping --> shipped : 已发货
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shipped --> completed : 已完成
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processing --> refunded : 退款
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shipping --> refunded : 退款
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shipped --> refunded : 退款
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cancelled --> [*]
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completed --> [*]
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refunded --> [*]
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```
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#### 任务状态
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```mermaid
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stateDiagram
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[*] --> pending
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pending --> running : 开始执行
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running --> success : 执行成功
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running --> failed : 执行失败
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running --> cancelled : 取消执行
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success --> [*]
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failed --> [*]
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cancelled --> [*]
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```
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## 4. 错误码体系
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### 错误码结构
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```
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[模块]-[类型]-[编号]
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```
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- 模块:如MERCHANT、STORE、PRODUCT、ORDER等
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- 类型:如VALIDATION、AUTH、SYSTEM、BUSINESS等
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- 编号:3位数字,从001开始
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### 通用错误码
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| 错误码 | 描述 | HTTP状态码 |
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| SYSTEM-ERROR-001 | 系统内部错误 | 500 |
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| SYSTEM-ERROR-002 | 数据库错误 | 500 |
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| AUTH-ERROR-001 | 认证失败 | 401 |
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| AUTH-ERROR-002 | 权限不足 | 403 |
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| VALIDATION-ERROR-001 | 参数验证失败 | 400 |
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| VALIDATION-ERROR-002 | 数据格式错误 | 400 |
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### 业务错误码
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| 错误码 | 描述 | HTTP状态码 |
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|--------|------|------------|
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| MERCHANT-ERROR-001 | 商户不存在 | 404 |
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| MERCHANT-ERROR-002 | 商户状态异常 | 400 |
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| STORE-ERROR-001 | 店铺不存在 | 404 |
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| STORE-ERROR-002 | 店铺绑定失败 | 400 |
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| PRODUCT-ERROR-001 | 商品不存在 | 404 |
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| PRODUCT-ERROR-002 | 商品库存不足 | 400 |
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| ORDER-ERROR-001 | 订单不存在 | 404 |
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| ORDER-ERROR-002 | 订单状态异常 | 400 |
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| OPERATION-ERROR-001 | 操作执行失败 | 400 |
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| OPERATION-ERROR-002 | 平台API调用失败 | 400 |
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## 5. API规范
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### 接口命名规范
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- 使用RESTful风格
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- 资源名称使用复数形式
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- 操作使用HTTP方法:GET(查询)、POST(创建)、PUT(更新)、DELETE(删除)
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### 统一响应格式
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```json
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{
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"code": "SUCCESS",
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"message": "操作成功",
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"data": { ... },
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"timestamp": "2026-03-19T00:00:00Z",
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"requestId": "uuid"
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}
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```
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### 错误响应格式
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```json
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{
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"code": "ERROR_CODE",
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"message": "错误描述",
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"data": null,
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"timestamp": "2026-03-19T00:00:00Z",
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"requestId": "uuid"
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}
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```
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## 6. 业务规则引擎
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### 规则定义格式
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```json
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{
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"ruleId": "PRICING_RULE_001",
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"name": "定价规则",
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"description": "基于成本和利润率的定价规则",
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"conditions": [
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{
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"field": "cost",
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"operator": ">",
|
|
|
|
|
|
"value": 100
|
|
|
|
|
|
},
|
|
|
|
|
|
{
|
|
|
|
|
|
"field": "category",
|
|
|
|
|
|
"operator": "in",
|
|
|
|
|
|
"value": ["electronics", "clothing"]
|
|
|
|
|
|
}
|
|
|
|
|
|
],
|
|
|
|
|
|
"actions": [
|
|
|
|
|
|
{
|
|
|
|
|
|
"type": "calculate",
|
|
|
|
|
|
"formula": "cost * (1 + margin)"
|
|
|
|
|
|
}
|
|
|
|
|
|
],
|
|
|
|
|
|
"priority": 10
|
|
|
|
|
|
}
|
|
|
|
|
|
```
|
|
|
|
|
|
|
|
|
|
|
|
### 规则执行流程
|
|
|
|
|
|
|
|
|
|
|
|
1. 规则匹配:根据输入数据匹配适用规则
|
|
|
|
|
|
2. 规则排序:按优先级排序规则
|
|
|
|
|
|
3. 规则执行:依次执行规则动作
|
|
|
|
|
|
4. 结果返回:返回执行结果
|
|
|
|
|
|
|
|
|
|
|
|
## 7. 版本管理
|
|
|
|
|
|
|
|
|
|
|
|
### 语义版本控制
|
|
|
|
|
|
|
|
|
|
|
|
- 主版本:重大变更,不兼容旧版本
|
|
|
|
|
|
- 次版本:新增功能,兼容旧版本
|
|
|
|
|
|
- 补丁版本:bug修复,兼容旧版本
|
|
|
|
|
|
|
|
|
|
|
|
### 变更记录
|
|
|
|
|
|
|
|
|
|
|
|
| 版本 | 变更内容 | 日期 |
|
|
|
|
|
|
|------|----------|------|
|
|
|
|
|
|
| 1.0.0 | 初始版本 | 2026-03-19 |
|
|
|
|
|
|
|
|
|
|
|
|
## 8. 验证工具
|
|
|
|
|
|
|
|
|
|
|
|
### 语义验证
|
|
|
|
|
|
|
|
|
|
|
|
- 数据模型验证:确保数据符合模型定义
|
|
|
|
|
|
- 状态流转验证:确保状态变更符合规则
|
|
|
|
|
|
- API规范验证:确保API符合接口规范
|
|
|
|
|
|
|
|
|
|
|
|
### 验证流程
|
|
|
|
|
|
|
|
|
|
|
|
1. 代码提交前验证
|
|
|
|
|
|
2. CI/CD流水线验证
|
|
|
|
|
|
3. 部署前验证
|
|
|
|
|
|
|
|
|
|
|
|
## 9. 使用指南
|
|
|
|
|
|
|
|
|
|
|
|
### 开发者指南
|
|
|
|
|
|
|
|
|
|
|
|
1. 参考语义中心定义开发代码
|
|
|
|
|
|
2. 使用统一的数据模型和状态机
|
|
|
|
|
|
3. 遵循API规范和错误码体系
|
|
|
|
|
|
4. 利用业务规则引擎实现业务逻辑
|
|
|
|
|
|
|
|
|
|
|
|
### AI开发指南
|
|
|
|
|
|
|
|
|
|
|
|
1. 读取语义中心定义作为开发基础
|
|
|
|
|
|
2. 生成符合规范的代码
|
|
|
|
|
|
3. 自动验证代码符合语义规范
|
|
|
|
|
|
4. 持续监控和优化代码质量
|
|
|
|
|
|
|
|
|
|
|
|
## 10. 未来演进
|
|
|
|
|
|
|
|
|
|
|
|
- 支持更多电商平台的适配
|
|
|
|
|
|
- 扩展业务规则引擎能力
|
|
|
|
|
|
- 增加机器学习模型的集成
|
|
|
|
|
|
- 提供更丰富的语义验证工具
|