How to solve the problem of accessing 404 through Spring Boot interface

This article introduces the relevant knowledge of "how to solve the Spring Boot interface access 404". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

When the springBoot project is configured and starts successfully, if the provider is 404, check the package directory

The SpringBoot annotation @ SpringBootApplication scans the same package of the current class and the classes under the subpackage by default. For example, if the startup program is in the package name com.web.demo, it will look for all files under com.web.demo and files in all subpackages under com.web.demo.controller.

The structure is for example:

Will not be 404.

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