importorg.springframework.web.client.RestTemplate;importorg.springframework.http.ResponseEntity;publicclassRestTemplateExample{publicstaticvoidmain(String[] args){// 创建 RestTemplate 实例RestTemplaterestTemplate=newRestTemplate();// 目标 URLStringurl="https://funtester.com/1";// 发送 GET 请求并获取响应Resp...
HttpEntity<MultiValueMap<String, String>> requestEntity =newHttpEntity<MultiValueMap<String, String>>(params, headers);//执行HTTP请求ResponseEntity<String> response = client.exchange(url, HttpMethod.POST, requestEntity, String.class);//输出结果System.out.println(response.getBody()); 2. 用postForEnt...
RestClient在内部处理WebClient实例的创建,消除了设置和管理HTTP客户端的复杂性。 比较RestClient 和 RestTemplate 让我们通过观察一些常见的场景来比较RestClient和RestTemplate: RestTemplate: var response = new RestTemplate(); RestClient: var response = RestClient.create(); 或者我们也可以使用我们的旧RestTemplate:...
RestTemplate client = new RestTemplate(); //调用第三方api 若是服务返回状态码不为200,默认会执行DefaultResponseErrorHandler: 401 Unauthorized: [no body] client.setRequestFactory(new HttpComponentsClientHttpRequestFactory()); // herders HttpHeaders httpHeaders = new HttpHeaders(); httpHeaders.setContent...
RestTemplaterestTemplate = new RestTemplate ( ); ResponseEntity<String> response = restTemplate.getForEntity( "https://www.baidu.com" , String.class);WebClient WebClient webClient = WebClient.create();Mono<String> response = webClient.get() .uri("https://www.baidu.com") .retrieve()...
RestTemplate restTemplate = new RestTemplate(); restTemplate.getInterceptors().add(new LoggingClientHttpRequestInterceptor()); return restTemplate; } 1. 2. 3. 4. 5. 6. 7. ribbon 两种负载均衡 当系统面临大量的用户访问,负载过高的时候,通常会增加服务器数量来进行横向扩展(集群),多个服务器的负载需要均...
return new RestTemplate(factory); } @Bean public ClientHttpRequestFactory simpleClientHttpRequestFactory() { SimpleClientHttpRequestFactory factory = new SimpleClientHttpRequestFactory(); factory.setReadTimeout(5000);//ms factory.setConnectTimeout(15000);//ms ...
RestTemplate restTemplate = new RestTemplate(getClientHttpRequestFactory()); return restTemplate; } /** * 使用HttpClient作为底层客户端 * @return */ private ClientHttpRequestFactory getClientHttpRequestFactory() { int timeout = 5000; RequestConfig config = RequestConfig.custom() ...
重点:即使升级了spring web 6.0.0版本,也无法在HttpRequestFactory中设置请求超时,这是放弃使用 RestTemplate 的最大因素之一。
如果是非Spring环境,直接new RestTemplate(new OkHttp3ClientHttpRequestFactory()之后使用就可以了。 2.2.切换为Apache HttpComponents 与切换为okHTTP方法类似、不再赘述。 <dependency><groupId>org.apache.httpcomponents</groupId><artifactId>httpclient</artifactId><version>4.5.12</version></dependency> ...