官方文檔中有寫：
You may register aspect classes as regular beans in your Spring XML configuration, or autodetect them through classpath scanning - just like any other Spring-managed bean. However, note that the @Aspect annotation is not sufficient for autodetection in the classpath: For that purpose, you need to add a separate @Component annotation (or alternatively a custom stereotype annotation that qualifies, as per the rules of Spring’s component scanner).
翻譯：
您可以在Spring XML配置中注冊aspect類，或者通過類路徑掃描自動檢測它們，就像任何其他Spring管理bean一樣。但是，請注意，@aspect注釋對於在類路徑中自動檢測是不夠的：為了達到這個目的，您需要添加一個單獨的@component注解（或者根據Spring的組件掃描器的規則來定義一個定制的原型注解）。
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原文鏈接：https://blog.csdn.net/woshiyigeliangliang/article/details/81450443