方法級別的@ControllerAdvice

Question

我在我的spring mvc項目中有兩個ControllerAdvices。

//return the json message 
@ControllerAdvice(annotations = RestController.class) 
public class AdviceRestController 

//redirect to the error 
@ControllerAdvice(annotations = Controller.class) 
public class AdviceController 

現在，我在@Controller註釋類中有一些@ResponseBody註釋方法。是否有方法級別的註釋，然後我可以在我的AdviceController中爲@ResponseBody註釋方法編寫方法。

即

//reoponsebody method only 
@ReoponsebodyMethod 
@ExceptionHandler({Exception.class}) 
@ResponseStatus(value = HttpStatus.INTERNAL_SERVER_ERROR) 
public String handleIllegalStateException(Exception ex) { 
    //return son 
} 

Answer 1

取決於你想要做什麼。您可以實施一個ControllerAdvice註釋類，它實現了ResponseBodyAdvice<T>。

@ControllerAdvice 
public class MyResponseBodyCustomizer implements ResponseBodyAdvice<ResponseBodyObject> { 
    @Override 
    boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) { 
    return false; 
    } 

    @Override 
    ResponseBodyObject beforeBodyWrite(Caravan body, MethodParameter returnType, MediaType selectedContentType, Class<? extends HttpMessageConverter<?>> selectedConverterType, ServerHttpRequest request, ServerHttpResponse response) { 
    return null; 
    } 
}