项目中有一个需求,需要统一处理一下@ResponseBody注解的返回值(比如打印),在网上找了一下,有建议用AOP来做的,但是个人认为项目中用多个AOP并不优雅;通过google,找到了spring的ResponseBodyAdvice接口,用来对返回体做统一处理。
例如:统一打印返回体中的内容
@ControllerAdvice(basePackages = "cc.openwiki.controller.biz")
public class LogResponseAdvice implements ResponseBodyAdvice<Object> {
@Override
public boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) {
return true;
}
@Override
public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType,Class<? extends HttpMessageConverter<?>> selectedConverterType, ServerHttpRequest request, ServerHttpResponse response) {
log.info("返回值为:{}", JSON.toJSONString(body));
return body;
}
by sim