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dolyw avatar dolyw commented on August 27, 2024

你可以自己查下Spring的全局捕获机制看下就清楚了，一般他这个都是用来捕获下面三种情况：

  1. 在进入Controller之前，譬如请求一个不存在的地址，404
    2：在执行@RequestMapping时，进入逻辑处理阶段前，譬如传的参数类型错误，校验错误
    3：以上都正常时，在Controller里执行逻辑代码时出的异常，例如空指针异常，数组越界异常

from shirojwt.

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