<dependency>
     <groupId>org.hobsoft.spring</groupId>
     <artifactId>spring-rest-template-logger</artifactId>
     <version>2.0.0</version>
</dependency>

@Configuration
public class RestTemplateConfig {
    @Bean
    public RestTemplate restTemplate() {
        RestTemplate restTemplate = new RestTemplateBuilder()
                .customizers(new LoggingCustomizer())
                .build();
        return restTemplate;
    }
}

logging.level.org.hobsoft.spring.resttemplatelogger.LoggingCustomizer = DEBUG

@SpringBootTest
@Slf4j
class LimitApplicationTests {

    @Resource
    RestTemplate restTemplate;

    @Test
    void testHttpLog() throws Exception{
        String requestUrl = "https://api.uomg.com/api/icp";
        //構(gòu)建json請求參數(shù)
        JSONObject params = new JSONObject();
        params.put("domain", "www.baidu.com");
        //請求頭聲明請求格式為json
        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_JSON);
        //創(chuàng)建請求實(shí)體
        HttpEntity<String> entity = new HttpEntity<>(params.toString(), headers);
        //執(zhí)行post請求，并響應(yīng)返回字符串
        String resText = restTemplate.postForObject(requestUrl, entity, String.class);
        System.out.println(resText);
    }
}    

RestTemplate restTemplate = new RestTemplateBuilder()
	.customizers(new LoggingCustomizer(LogFactory.getLog(LoggingCustomizer.class), new MyLogFormatter()))
	.build();

public class DefaultLogFormatter implements LogFormatter {
    private static final Charset DEFAULT_CHARSET;

    public DefaultLogFormatter() {
    }

    //格式化請求
    public String formatRequest(HttpRequest request, byte[] body) {
        String formattedBody = this.formatBody(body, this.getCharset(request));
        return String.format("Request: %s %s %s", request.getMethod(), request.getURI(), formattedBody);
    }

   //格式化響應(yīng)
    public String formatResponse(ClientHttpResponse response) throws IOException {
        String formattedBody = this.formatBody(StreamUtils.copyToByteArray(response.getBody()), this.getCharset(response));
        return String.format("Response: %s %s", response.getStatusCode().value(), formattedBody);
    }
    ……
 }   

@FunctionalInterface
public interface RestTemplateCustomizer {
    void customize(RestTemplate restTemplate);
}

public class LoggingCustomizer implements RestTemplateCustomizer{


public void customize(RestTemplate restTemplate) {
        restTemplate.setRequestFactory(new BufferingClientHttpRequestFactory(restTemplate.getRequestFactory()));
        //向restTemplate中注入了日志攔截器
        restTemplate.getInterceptors().add(new LoggingInterceptor(this.log, this.formatter));
    }
}

public class LoggingInterceptor implements ClientHttpRequestInterceptor {
    private final Log log;
    private final LogFormatter formatter;

    public LoggingInterceptor(Log log, LogFormatter formatter) {
        this.log = log;
        this.formatter = formatter;
    }

    public ClientHttpResponse intercept(HttpRequest request, byte[] body, ClientHttpRequestExecution execution) throws IOException {
        if (this.log.isDebugEnabled()) {
            //打印http請求的入?yún)?
            this.log.debug(this.formatter.formatRequest(request, body));
        }

        ClientHttpResponse response = execution.execute(request, body);
        if (this.log.isDebugEnabled()) {
            //打印http請求的響應(yīng)結(jié)果
            this.log.debug(this.formatter.formatResponse(response));
        }
        return response;
    }
}

@Configuration
public class RestTemplateAutoConfiguration {

    @Bean
    @ConditionalOnMissingBean
    public RestTemplate restTemplate() {
        RestTemplate restTemplate = new RestTemplateBuilder()
                .customizers(new LoggingCustomizer())
                .build();
        return restTemplate;
    }
}