Java Tech Workshop

Jul 14, 2026 · Backend Development

Build a Smart Vending Cabinet with Spring Boot and WeChat Pay: Scan‑to‑Open and Auto‑Deduction

This article details a complete Spring Boot implementation of a smart vending cabinet that uses WeChat QR‑code scanning to open doors, reports purchased items, and automatically deducts payment via WeChat's no‑password delegated‑deduction API, covering configuration, database design, code examples, and error‑handling strategies.