RestTemplate自定义标头

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

public class CustomHeaderExample {
    public static void main(String[] args) {
        RestTemplate restTemplate = new RestTemplate();

        // 创建自定义标头
        HttpHeaders headers = new HttpHeaders();
        headers.add("Authorization", "Bearer your_token");
        headers.add("Custom-Header", "custom_value");

        // 创建请求实体对象
        RequestEntity<Void> requestEntity = new RequestEntity<>(headers, HttpMethod.GET, URI.create("http://example.com/api"));

        // 发送请求并获取响应
        ResponseEntity<String> responseEntity = restTemplate.exchange(requestEntity, String.class);

        // 处理响应结果
        String responseBody = responseEntity.getBody();
        System.out.println(responseBody);
    }
}