SpringCloud Feign请求头删除修改的操作代码

@Configuration

public class ClientConfiguration {

     @Bean

     public RequestInterceptor headerInterceptor() {

         return new RequestInterceptor() {

             @Override

             public void apply(RequestTemplate template) {

                 HttpServletRequest httpServletRequest = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();

                 if (httpServletRequest.getRequestURI().contains(template.url())) {

                     try {

                         Field connectorField = ReflectionUtils.findField(SecurityContextHolderAwareRequestWrapper. class , "request" );

                         connectorField.setAccessible( true );

                         FirewalledRequest firewalledRequest = (FirewalledRequest) connectorField.get(httpServletRequest);

                         if (Objects.isNull(firewalledRequest))

                             return ;

                         Field firewalledField = ReflectionUtils.findField(FirewalledRequest. class , "request" );

                         firewalledField.setAccessible( true );

                         RequestFacade requestFacade = (RequestFacade) firewalledField.get(firewalledRequest);

                         if (Objects.isNull(requestFacade))

                             return ;

                         connectorField = ReflectionUtils.findField(RequestFacade. class , "request" );

                         firewalledField.setAccessible( true );

                         Request connectorRequest = (Request) connectorField.get(requestFacade);

                         if (Objects.isNull(connectorRequest))

                             return ;

                         Field coyoteField = ReflectionUtils.findField(Request. class , "coyoteRequest" , org.apache.coyote.Request. class );

                         coyoteField.setAccessible( true );

                         org.apache.coyote.Request coyoteRequest = (org.apache.coyote.Request) coyoteField.get(connectorRequest);

                         if (Objects.isNull(coyoteRequest))

                             return ;

                         Field mimeHeadersField = ReflectionUtils.findField(org.apache.coyote.Request. class , "headers" , MimeHeaders. class );

                         mimeHeadersField.setAccessible( true );

                         MimeHeaders mimeHeaders = (MimeHeaders) mimeHeadersField.get(coyoteRequest);

                         mineHeadersHandle(mimeHeaders);

                     } catch (IllegalAccessException e) {

                         e.printStackTrace();

                     }

                     List<String> contentTypeList = Lists.newArrayList( "application/json;charset=UTF-8" );

                     Map<String, Collection<String>> headers = ImmutableMap.of(HttpHeaders.CONTENT_TYPE, contentTypeList);

                     template.headers(headers);

                 }

             }

         };

     }

     protected static void mineHeadersHandle(MimeHeaders mimeHeaders) {

         mimeHeaders.removeHeader(HttpHeaders.CONTENT_TYPE);

     }

}