spring 中统一封装返回参数的问题 - V2EX
chenguoyu
V2EX    Java

spring 中统一封装返回参数的问题

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  •   chenguoyu Dec 27, 2018 4524 views
    This topic created in 2707 days ago, the information mentioned may be changed or developed.

    在 spring 中提供了个 ResponseBodyAdvice 接口,可以帮助我们将返回的值进行统一封装,代码如下

    @ControllerAdvice @Slf4j public class MyResponseBodyAdvice implements ResponseBodyAdvice<Object> { @Override public boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) { log.debug("MyRespOnseBodyAdvice==>supports:" + converterType); log.debug("MyRespOnseBodyAdvice==>supports:" + returnType.getClass()); log.debug("MyRespOnseBodyAdvice==>supports:" + MappingJackson2HttpMessageConverter.class.isAssignableFrom(converterType)); return MappingJackson2HttpMessageConverter.class.isAssignableFrom(converterType); } @Override public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType, Class<? extends HttpMessageConverter<?>> selectedConverterType, ServerHttpRequest request, ServerHttpResponse response) { if (body == null) { return Result.success(); } if (body instanceof Result || body instanceof File || body instanceof ResponseEntity) { return body; } else { log.debug("MyRespOnseBodyAdvice==>beforeBodyWrite:" + returnType + "," + body); return Result.success(body); } } } 

    但是现在有个问题就是,一些第三方组件也使用 json 通信,比如 swagger。这时候就需要排除这些东西,或者是指定切面才进行统一封装。

    请问 V 友们应该怎么做,可以不用 ResponseBodyAdvice 接口

    6 replies    2019-07-23 16:12:37 +08:00
    YzSama
        1
    YzSama  
       Dec 27, 2018 via iPad
    注解
    skypyb
        2
    skypyb  
       Dec 27, 2018 via Android
    注解确实可以。
    JRay
        3
    JRay  
       Dec 28, 2018
    @YzSama 哪一个注解可以实现呢?同样也遇到这个问题
    zhazi
        4
    zhazi  
       Dec 29, 2018 via Android
    自己写一个注解 在 supports 里控制
    YzSama
        5
    YzSama  
       Jan 4, 2019
    @JRay #3 参考下 4 楼的解答。
    joenali
        6
    joenali  
       Jul 23, 2019   1
    注意 @ControllerAdvice 这个注解可以指定 basePackages,只作用业务的 controller,如:
    @ControllerAdvice(basePackages = "com.xxxx.controller")
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