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I Built an Interactive Visualizer of the Spring Boot Request Lifecycle
请求进 Spring Boot 后到底走了哪些路？这个交互式可视化工具把生命周期一步步拆给你看，后端调试不再靠猜。
Every Spring tutorial teaches you the annotations — @RestController , @Service , @Repository — but almost none show you the journey a single HTTP requ…