Spring uses facets with custom annotations to handle exceptions at the web layer

material:

1. The use of facets and custom annotations
https://blog.csdn.net/huangyu1985/article/details/53449776

2. Spring AOP throws an enhanced capture exception
https://blog.csdn.net/ab7253957/article/details/50910671

3. Exception handling based on spring annotation AOP
https://www.cnblogs.com/hujunzheng/p/6255463.html

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