脚本宝典收集整理的这篇文章主要介绍了RestTemplate，脚本宝典觉得挺不错的，现在分享给大家，也给大家做个参考。

   方式一：

Map<String, Object> params = new HashMap<>();params.put("appId", "xxx");params.put("appSecret", "yyyyyyyyyy");String url = "http://test.COM/sso/oPEn/token?appId={appId}&appSecret={appSecret}";ResponseEntITy<SsoResult<String>> responseEntity = restTemplate().exchange(url, HttpMethod.GET, null, parameterizedTypeReference, params);方式二：

String url = "http://test.com/sso/open/token";map<String, Object> params = new HashMap<>();params.put("appId", "xxx");params.put("appSecret", "yyyyyyy");UricomponentsBuilder builder = UriComponentsBuilder.FromHttpUrl(url);params.entrySet().stream().foreach(o -> builder.queryParam(o.getKey(),o.getValue()));String url2 = builder.build().encode().toString();ParameterizedTypeReference parameterizedTypeReference = new ParameterizedTypeReference<SsoResult<String>>() {};ResponseEntity<SsoResult<String>> responseEntity = restTemplate().exchange(url2, HttpMethod.GET, null, parameterizedTypeReference);SsoResult<String> ssoResult = responseEntity.getBody();

Headers：

PRivate HttpHeaders getHeaders() {    HttpHeaders headers = new HttpHeaders();    headers.add("content-type", "application/json");    AccessToken accessToken = AccessToken.accessToken;    headers.add("authorization", accessToken.getaccess_token());    return headers;}

ObjectMapper：

先获取为String类型，再用ObjectMapper转换为对象，可以用于调试时使用。ResponseEntity<String> responseEntity = restTemplate.exchange(usersUrl, HttpMethod.GET, requestEntity, String.class, params);String body = responseEntity.getBody();IdaasResponse<List<UserInfo>> response = objectMapper.readValue(body, new TypeReference<IdaasResponse<List<UserInfo>>>() {});return response.getData();完整代码如下：

String usersUrl = "${idaas.url}/api/users?limit={limit}&skip={skip}";HttpHeaders headers = getHeaders(); // 见上面的getHeaders()

Map<String, Object> params = new HashMap<>();params.put("limit", limit);params.put("skip", skip);HttpEntity<String> requestEntity = new HttpEntity<>(null, headers);ResponseEntity<String> responseEntity = restTemplate.exchange(usersUrl, HttpMethod.GET, requestEntity, String.class, params);String body = responseEntity.getBody();IdaasResponse<List<UserInfo>> response = objectMapper.readValue(body, new TypeReference<IdaasResponse<List<UserInfo>>>() {});return response.getData();

脚本宝典总结

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