Spring Boot Shanggui Learning Note---Web

------Error Handling mechanism------

Default effect

1 Returns a default error page

The client responds to JSON data by default

Principle: Automatic configuration with reference to errormvcautoconfiguration error

Defaulterrorattributes

Basicerrorcontroller

Errorpagecustomizer

Defaulterrorviewresolver

Steps:

Once the system has an error: Errorpagecustomizer effective (custom error response rule)

2 How to customize the error response

1) Custom error page

2) Custom JSON error data

　　　　

Spring Boot Shanggui Learning Note---Web