工具类之关于RestTemplateUtil工具类的使用
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工具类-RestTemplateUtil工具类
代码可直接复制使用
配置RestTemplate
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.client.SimpleClientHttpRequestFactory;
import org.springframework.web.client.RestTemplate;
@Configuration
public class RestTemplateConfig {
@Bean
public RestTemplate restTemplate() {
SimpleClientHttpRequestFactory requestFactory = new SimpleClientHttpRequestFactory();
requestFactory.setConnectTimeout(60000);
requestFactory.setReadTimeout(60000);
//使用okhttp
//RestTemplate restTemplate = new RestTemplate(new OkHttp3ClientHttpRequestFactory());
RestTemplate restTemplate = new RestTemplate(requestFactory);
return restTemplate;
}
}
RestTemplateUtil工具类
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Component;
import org.springframework.web.client.RestTemplate;
@Component
public class RestTemplateUtil {
@Autowired
private RestTemplate restTemplate;
public String post(String url, String data) {
HttpHeaders headers = new HttpHeaders();
headers.add("Accept", "application/json");
headers.add("Content-Encoding", "UTF-8");
headers.add("Content-Type", "application/json; charset=UTF-8");
HttpEntity<String> requestEntity = new HttpEntity<>(data, headers);
return restTemplate.postForObject(url, requestEntity, String.class);
}
public String get(String url, String token) {
HttpHeaders headers = new HttpHeaders();
headers.add("Accept", "application/json");
headers.add("Content-Encoding", "UTF-8");
headers.add("Content-Type", "application/json; charset=UTF-8");
if (token != null) {
headers.add("Authorization", token);
}
HttpEntity<String> requestEntity = new HttpEntity<>(null, headers);
ResponseEntity<String> response = restTemplate.exchange(url, HttpMethod.GET, requestEntity, String.class);
String responseBody = response.getBody();
return responseBody;
}
public <T> T getWithSession(String url, String sessionId, Class<T> responseType, Object... uriVariables) {
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.add("session_id", sessionId);
return get(url, httpHeaders, responseType, uriVariables).getBody();
}
// ----------------------------------GET-------------------------------------------------------
public <T> ResponseEntity<T> get(String url, Class<T> responseType) {
return restTemplate.getForEntity(url, responseType);
}
public <T> ResponseEntity<T> get(String url, Class<T> responseType, Object... uriVariables) {
return restTemplate.getForEntity(url, responseType, uriVariables);
}
public <T> ResponseEntity<T> get(String url, Class<T> responseType, Map<String, ?> uriVariables) {
return restTemplate.getForEntity(url, responseType, uriVariables);
}
public <T> ResponseEntity<T> get(String url, Map<String, String> headers, Class<T> responseType, Object... uriVariables) {
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setAll(headers);
return get(url, httpHeaders, responseType, uriVariables);
}
public <T> ResponseEntity<T> get(String url, HttpHeaders headers, Class<T> responseType, Object... uriVariables) {
HttpEntity<?> requestEntity = new HttpEntity<>(headers);
return exchange(url, HttpMethod.GET, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> get(String url, Map<String, String> headers, Class<T> responseType, Map<String, ?> uriVariables) {
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setAll(headers);
return get(url, httpHeaders, responseType, uriVariables);
}
public <T> ResponseEntity<T> get(String url, HttpHeaders headers, Class<T> responseType, Map<String, ?> uriVariables) {
HttpEntity<?> requestEntity = new HttpEntity<>(headers);
return exchange(url, HttpMethod.GET, requestEntity, responseType, uriVariables);
}
// ----------------------------------POST-------------------------------------------------------
public <T> ResponseEntity<T> post(String url, Class<T> responseType) {
return restTemplate.postForEntity(url, HttpEntity.EMPTY, responseType);
}
public <T> ResponseEntity<T> post(String url, Object requestBody, Class<T> responseType) {
return restTemplate.postForEntity(url, requestBody, responseType);
}
public <T> ResponseEntity<T> post(String url, Object requestBody, Class<T> responseType, Object... uriVariables) {
return restTemplate.postForEntity(url, requestBody, responseType, uriVariables);
}
public <T> ResponseEntity<T> post(String url, Object requestBody, Class<T> responseType, Map<String, ?> uriVariables) {
return restTemplate.postForEntity(url, requestBody, responseType, uriVariables);
}
public <T> ResponseEntity<T> post(String url, Map<String, String> headers, Object requestBody, Class<T> responseType, Object... uriVariables) {
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setAll(headers);
return post(url, httpHeaders, requestBody, responseType, uriVariables);
}
public <T> ResponseEntity<T> post(String url, HttpHeaders headers, Object requestBody, Class<T> responseType, Object... uriVariables) {
HttpEntity<Object> requestEntity = new HttpEntity<Object>(requestBody, headers);
return post(url, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> post(String url, Map<String, String> headers, Object requestBody, Class<T> responseType, Map<String, ?> uriVariables) {
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setAll(headers);
return post(url, httpHeaders, requestBody, responseType, uriVariables);
}
public <T> ResponseEntity<T> post(String url, HttpHeaders headers, Object requestBody, Class<T> responseType, Map<String, ?> uriVariables) {
HttpEntity<Object> requestEntity = new HttpEntity<Object>(requestBody, headers);
return post(url, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> post(String url, HttpEntity<?> requestEntity, Class<T> responseType, Object... uriVariables) {
return restTemplate.exchange(url, HttpMethod.POST, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> post(String url, HttpEntity<?> requestEntity, Class<T> responseType, Map<String, ?> uriVariables) {
return restTemplate.exchange(url, HttpMethod.POST, requestEntity, responseType, uriVariables);
}
// ----------------------------------PUT-------------------------------------------------------
public <T> ResponseEntity<T> put(String url, Class<T> responseType, Object... uriVariables) {
return put(url, HttpEntity.EMPTY, responseType, uriVariables);
}
public <T> ResponseEntity<T> put(String url, Object requestBody, Class<T> responseType, Object... uriVariables) {
HttpEntity<Object> requestEntity = new HttpEntity<Object>(requestBody);
return put(url, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> put(String url, Object requestBody, Class<T> responseType, Map<String, ?> uriVariables) {
HttpEntity<Object> requestEntity = new HttpEntity<Object>(requestBody);
return put(url, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> put(String url, Map<String, String> headers, Object requestBody, Class<T> responseType, Object... uriVariables) {
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setAll(headers);
return put(url, httpHeaders, requestBody, responseType, uriVariables);
}
public <T> ResponseEntity<T> put(String url, HttpHeaders headers, Object requestBody, Class<T> responseType, Object... uriVariables) {
HttpEntity<Object> requestEntity = new HttpEntity<Object>(requestBody, headers);
return put(url, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> put(String url, Map<String, String> headers, Object requestBody, Class<T> responseType, Map<String, ?> uriVariables) {
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setAll(headers);
return put(url, httpHeaders, requestBody, responseType, uriVariables);
}
public <T> ResponseEntity<T> put(String url, HttpHeaders headers, Object requestBody, Class<T> responseType, Map<String, ?> uriVariables) {
HttpEntity<Object> requestEntity = new HttpEntity<Object>(requestBody, headers);
return put(url, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> put(String url, HttpEntity<?> requestEntity, Class<T> responseType, Object... uriVariables) {
return restTemplate.exchange(url, HttpMethod.PUT, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> put(String url, HttpEntity<?> requestEntity, Class<T> responseType, Map<String, ?> uriVariables) {
return restTemplate.exchange(url, HttpMethod.PUT, requestEntity, responseType, uriVariables);
}
// ----------------------------------DELETE-------------------------------------------------------
public <T> ResponseEntity<T> delete(String url, Class<T> responseType, Object... uriVariables) {
return delete(url, HttpEntity.EMPTY, responseType, uriVariables);
}
public <T> ResponseEntity<T> delete(String url, Class<T> responseType, Map<String, ?> uriVariables) {
return delete(url, HttpEntity.EMPTY, responseType, uriVariables);
}
public <T> ResponseEntity<T> delete(String url, Object requestBody, Class<T> responseType, Object... uriVariables) {
HttpEntity<Object> requestEntity = new HttpEntity<Object>(requestBody);
return delete(url, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> delete(String url, Object requestBody, Class<T> responseType, Map<String, ?> uriVariables) {
HttpEntity<Object> requestEntity = new HttpEntity<Object>(requestBody);
return delete(url, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> delete(String url, Map<String, String> headers, Class<T> responseType, Object... uriVariables) {
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setAll(headers);
return delete(url, httpHeaders, responseType, uriVariables);
}
public <T> ResponseEntity<T> delete(String url, HttpHeaders headers, Class<T> responseType, Object... uriVariables) {
HttpEntity<Object> requestEntity = new HttpEntity<Object>(headers);
return delete(url, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> delete(String url, Map<String, String> headers, Class<T> responseType, Map<String, ?> uriVariables) {
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setAll(headers);
return delete(url, httpHeaders, responseType, uriVariables);
}
public <T> ResponseEntity<T> delete(String url, HttpHeaders headers, Class<T> responseType, Map<String, ?> uriVariables) {
HttpEntity<Object> requestEntity = new HttpEntity<Object>(headers);
return delete(url, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> delete(String url, Map<String, String> headers, Object requestBody, Class<T> responseType, Object... uriVariables) {
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setAll(headers);
return delete(url, httpHeaders, requestBody, responseType, uriVariables);
}
public <T> ResponseEntity<T> delete(String url, HttpHeaders headers, Object requestBody, Class<T> responseType, Object... uriVariables) {
HttpEntity<Object> requestEntity = new HttpEntity<Object>(requestBody, headers);
return delete(url, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> delete(String url, Map<String, String> headers, Object requestBody, Class<T> responseType, Map<String, ?> uriVariables) {
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setAll(headers);
return delete(url, httpHeaders, requestBody, responseType, uriVariables);
}
public <T> ResponseEntity<T> delete(String url, HttpHeaders headers, Object requestBody, Class<T> responseType, Map<String, ?> uriVariables) {
HttpEntity<Object> requestEntity = new HttpEntity<Object>(requestBody, headers);
return delete(url, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> delete(String url, HttpEntity<?> requestEntity, Class<T> responseType, Object... uriVariables) {
return restTemplate.exchange(url, HttpMethod.DELETE, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> delete(String url, HttpEntity<?> requestEntity, Class<T> responseType, Map<String, ?> uriVariables) {
return restTemplate.exchange(url, HttpMethod.DELETE, requestEntity, responseType, uriVariables);
}
// ----------------------------------通用方法-------------------------------------------------------
public <T> ResponseEntity<T> exchange(String url, HttpMethod method, HttpEntity<?> requestEntity, Class<T> responseType, Object... uriVariables) {
return restTemplate.exchange(url, method, requestEntity, responseType, uriVariables);
}
public <T> ResponseEntity<T> exchange(String url, HttpMethod method, HttpEntity<?> requestEntity, Class<T> responseType, Map<String, ?> uriVariables) {
return restTemplate.exchange(url, method, requestEntity, responseType, uriVariables);
}
}
RestTemplate配置类和工具类
RestTemplate配置类
@Configuration
public class RestTemplateConfig {
@Bean
public RestTemplate restTemplate(RestTemplateBuilder restTemplateBuilder) {
RestTemplate build = restTemplateBuilder
.requestFactory(OkHttp3ClientHttpRequestFactory.class)
.setConnectTimeout(Duration.ofSeconds(10))
.setReadTimeout(Duration.ofSeconds(20))
.build();
build.getMessageConverters().add(new TextJsonSupport(Jackson2ObjectMapperBuilder.json().build()));
return build;
}
}
public class TextJsonSupport extends MappingJackson2HttpMessageConverter {
public TextJsonSupport(ObjectMapper objectMapper) {
super(objectMapper);
setSupportedMediaTypes(Arrays.asList(new MediaType("text", "json")));
}
public TextJsonSupport() {
super();
}
}
RestTemplate工具类
public class RestTemplateUtil {
public static Object doGet(String url, HttpHeaders httpHeaders) {
RestTemplate restTemplate = new RestTemplate();
HttpEntity<Object> request = new HttpEntity<>(httpHeaders);
ResponseEntity<Object> result = restTemplate.exchange(url, HttpMethod.GET, request, Object.class);
if (null != result && null != result.getBody()) {
return result.getBody();
}
return null;
}
public static Object doPost(String url, HttpHeaders httpHeaders, JSONObject params) {
RestTemplate restTemplate = new RestTemplate();
HttpEntity<Object> request = new HttpEntity<>(params, httpHeaders);
ResponseEntity<Object> result = restTemplate.exchange(url, HttpMethod.POST, request, Object.class);
if (null != result && null != result.getBody()) {
return result.getBody();
}
return null;
}
public static Object doPostJson(String url, HttpHeaders httpHeaders, JSONObject params) {
RestTemplate restTemplate = new RestTemplate();
HttpEntity<Object> request = new HttpEntity<>(params, httpHeaders);
ResponseEntity<JSONObject> result = restTemplate.exchange(url, HttpMethod.POST, request, JSONObject.class);
if (null != result && null != result.getBody()) {
return result.getBody();
}
return null;
}
}
以上为个人经验,希望能给大家一个参考,也希望大家多多支持编程网。
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