創建攔截器類：

public static class UserAgentInterceptor implements ClientHttpRequestInterceptor {@Overridepublic ClientHttpResponse intercept(HttpRequest request, byte[] body, ClientHttpRequestExecution execution) throws IOException {HttpHeaders headers = request.getHeaders();headers.add(HttpHeaders.USER_AGENT, "your agent");return execution.execute(request, body);}}

設置interceptor：

@Beanpublic RestTemplate restTemplate() {HttpComponentsClientHttpRequestFactory httpRequestFactory = new HttpComponentsClientHttpRequestFactory();httpRequestFactory.setConnectionRequestTimeout(CONN_TIMEOUT_IN_MILLIS);httpRequestFactory.setConnectTimeout(CONN_TIMEOUT_IN_MILLIS);httpRequestFactory.setReadTimeout(READ_TIMEOUT_IN_MILLIS);RestTemplate restTemplate = new RestTemplate();restTemplate.getMessageConverters().add(0, new StringHttpMessageConverter(Charset.forName("UTF-8")));restTemplate.setInterceptors(Collections.singletonList(new UserAgentInterceptor()));return restTemplate;}

?

總結

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