@EnableLogAccess
public class LogAccessConfig {
    
}

// 方式一：@LogAccess标记在类上，对类的所有方法起作用
@LogAccess
public class MessageFacadeImpl implements MessageFacade {
    @Override
    public Result<MessageDTO> sendMessage(String msgTye, String msg) {
        // xxxx
    }
}

// 方式二：@LogAccess标记在方法上，仅对该方法起作用
public class MessageFacadeImpl implements MessageFacade {
    @LogAccess
    @Override
    public Result<MessageDTO> sendMessage(String msgTye, String msg) {
        // xxxx
    }
}

@EnableLogAccess
public class LogAccessConfig {
    /**
     * 配置http请求日志跟踪信息拦截器，header中无trace_id则生成
     */
    @Bean
    public FilterRegistrationBean logFilterRegister() {
        FilterRegistrationBean registration = new FilterRegistrationBean();
        registration.setFilter(new ServletTraceInfoAttachmentFilter());
        registration.setName(ServletTraceInfoAttachmentFilter.class.getSimpleName());
        registration.addUrlPatterns("/*");
        // 从小到大的顺序来依次过滤
        registration.setOrder(1);
        return registration;
    }

    /**
     * 基于RestTemplate的服务调用
     */
    @Bean("restTemplate")
    public RestTemplate restTemplate() {
        RestTemplate restTemplate = new RestTemplate();
        restTemplate.setRequestFactory(httpRequestFactory());
        // 将trace_id设置到header中传递到服务提供方
        restTemplate.setInterceptors(Arrays.asList(new ClientHttpRequestInterceptor(){
            @Override
            public ClientHttpResponse intercept(HttpRequest request, byte[] body, ClientHttpRequestExecution execution) throws IOException {
                String traceId = MDCLogTracerContextUtil.getTraceId();
                if (traceId != null) {
                    request.getHeaders().add(TracingVariable.TRACE_ID, traceId);
                }
                return execution.execute(request, body);
            }
        }));
        return restTemplate;
    }

    /**
     * 基于Feign的服务调用
     */
    @Bean
    public RequestInterceptor requestInterceptor() {
        RequestInterceptor requestInterceptor = template -> {
            String traceId = MDCLogTracerContextUtil.getTraceId();
            if (traceId != null) {
                template.header(TracingVariable.TRACE_ID, traceId);
            }
        };
        return requestInterceptor;
    }
}