利用ResponseBodyAdvice修改返回值_fang_qiming的博客

@ControllerAdvice
public class HahaResponseBodyAdvice implements ResponseBodyAdvice<String>{

    @Override
    public boolean supports(MethodParameter methodParameter, Class<? extends HttpMessageConverter<?>> aClass) {
        return true;
    }

    @Override
    public String beforeBodyWrite(String s, MethodParameter methodParameter, MediaType mediaType, Class<? extends HttpMessageConverter<?>> aClass, ServerHttpRequest serverHttpRequest, ServerHttpResponse serverHttpResponse) {
        return s+" " +"haha this is been modified";
    }
}@ControllerAdvice
public class HahaResponseBody