在Spring3中，如何在我的控制器中调用另一个服务器的控制器

@Configuration
public class AppConfig {
    @Bean
    public RestTemplate restTemplate() {
        return new RestTemplate();
    }
}

@RestController
public class MyController {
    private final RestTemplate restTemplate;

    public MyController(RestTemplate restTemplate) {
        this.restTemplate = restTemplate;
    }

    @GetMapping("/my-endpoint")
    public String myEndpoint() {
        String url = "http://example.com/api/controller";
        ResponseEntity<String> response = restTemplate.getForEntity(url, String.class);
        return response.getBody();
    }
}

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

implementation 'org.springframework.boot:spring-boot-starter-web'