8.1.3 handling global exceptions through exceptionhandler (Global exception handling) - SSM in depth analysis and project practice

All the source code in the project can be found in the linked repository ：https://github.com/chenhaoxiang/uifuture-ssm

8.1.3 adopt ExceptionHandler Handling global exceptions

Use ExceptionHandler Annotations can intercept global exceptions , In fact, in front of 5.5 Section has been demonstrated by examples . Here's a little more simple explanation .

in addition ,ExceptionHandler Annotations can be Controller Defined internally , Then the method intercepts and processes the Controller（ Or any subclass ） Zhongyou ExceptionHandler The corresponding exception thrown by the annotation method .

If ExceptionHandler It's defining ControllerAdvice In annotated classes , All the corresponding exceptions thrown by the controller will be handled . Next, for these two ways &