在spring boot java应用程序中调用自定义Rest模板

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>

    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
    </dependency>
</dependencies>

import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;

public class CustomRestTemplate {
    private RestTemplate restTemplate;

    public CustomRestTemplate() {
        this.restTemplate = new RestTemplate();
    }

    public <T> T execute(String url, HttpMethod method, HttpHeaders headers, Object requestBody, Class<T> responseType) {
        HttpEntity<Object> httpEntity = new HttpEntity<>(requestBody, headers);
        ResponseEntity<T> responseEntity = restTemplate.exchange(url, method, httpEntity, responseType);
        return responseEntity.getBody();
    }
}

import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;

public class MyService {
    private CustomRestTemplate customRestTemplate;

    public MyService() {
        this.customRestTemplate = new CustomRestTemplate();
    }

    public void callExternalApi() {
        String url = "https://api.example.com/some-endpoint";
        HttpMethod method = HttpMethod.GET;
        HttpHeaders headers = new HttpHeaders();
        headers.set("Authorization", "Bearer your-token");
        headers.setContentType(MediaType.APPLICATION_JSON);

        // Make a GET request with custom headers and retrieve the response as a JSON object
        MyResponseObject response = customRestTemplate.execute(url, method, headers, null, MyResponseObject.class);

        // Do something with the response
    }
}