https://latent-site.pages.dev/tags/%E5%A2%A8%E5%9D%8A/ Recent content in 墨坊 on Latent Hugo zh 2026 Latent Wed, 14 Oct 2026 00:00:00 +0000 https://latent-site.pages.dev/posts/2026/10/ink-workshop-01-thesis/ Wed, 14 Oct 2026 00:00:00 +0000 https://latent-site.pages.dev/posts/2026/10/ink-workshop-01-thesis/ 墨坊是一份可读的 Java 小店：网关只暴露 8080，商品库、库存、店铺各用各的库。下单先 202 收下，库存经 RabbitMQ 后扣；余额不够再发消息把库存加回去。本文钉死产品论点和分层，配架构图。仓库 <a href="https://github.com/GitHub1002/ink-workshop">https://github.com/GitHub1002/ink-workshop</a>。 https://latent-site.pages.dev/posts/2026/10/ink-workshop-02-order-life/ Wed, 14 Oct 2026 00:00:00 +0000 https://latent-site.pages.dev/posts/2026/10/ink-workshop-02-order-life/ 下单接口先写 PENDING 和发件箱，返回 202。两份店铺用 SKIP LOCKED 抢同一行再投递 RabbitMQ。库存结果把订单推进 RESERVED 或 REJECTED；付款只接受 RESERVED，余额不够则 RELEASING。配状态机图。 https://latent-site.pages.dev/posts/2026/10/ink-workshop-03-inventory/ Wed, 14 Oct 2026 00:00:00 +0000 https://latent-site.pages.dev/posts/2026/10/ink-workshop-03-inventory/ 库存进程不共享订单表。扣减是 update … where available &gt;= quantity，同一把钥匙用 SHA-256 指纹挡住换行重放。付款失败走另一条释放队列，结果仍经库存自己的发件箱回到店铺。配扣减回补图。 https://latent-site.pages.dev/posts/2026/10/ink-workshop-04-gateway/ Wed, 14 Oct 2026 00:00:00 +0000 https://latent-site.pages.dev/posts/2026/10/ink-workshop-04-gateway/ 对外只暴露 8080。网关用 lb://ink-workshop 轮转两份店铺，限流每秒 20 可从 Nacos 热更新，店铺连续失败后熔断返回 503。店面 Vite 只打网关。配边缘图。