电商系统架构中订单状态机如何设计?
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可按“主状态机 + 子状态机”设计,避免状态爆炸。
1. 主状态机(订单生命周期)- CREATED:已创建待支付
- CONFIRMED:支付成功待履约
- FULFILLING:拣货/出库中
- SHIPPED:已发货
- COMPLETED:已签收/完成
- CANCELLED:已取消
- CLOSED:已关闭(超时未支付、售后完结等)2. 子状态机解耦
- 支付:UNPAID -> PAYING -> PAID -> REFUNDING -> REFUNDED
- 履约:PENDING -> PICKING -> PACKED -> SHIPPED -> DELIVERED
- 售后:NONE -> APPLYING -> APPROVED/...
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