RestTemplate 如何从请求中删除 utf8？

Question

你好，我已经获得了请求系统的代码，但 RestTemplate 在标头中始终添加 utf8

示例

POST /v1/documents/validation HTTP/1.1
Accept: application/json
Content-Type: multipart/form-data;charset=UTF8;boundary=gs7Tmph96b0PDkFCrOo9Y7EhtqqV3ok2agluTF

如何删除 charset=UTF8 ？

这是我的代码

 RestTemplate restTemplate = getRestTemplate();

            HttpHeaders headers = new HttpHeaders();

            headers.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON));
            headers.add("Content-Type", "multipart/form-data");

          
            headers.add("FSE-JWT-Signature", getHashSignature());
            headers.add("Authorization", "Bearer " + getBearerToken());


            LinkedMultiValueMap<String, Object> map = new LinkedMultiValueMap<>();

            FileSystemResource value = new FileSystemResource(new File(fileName));
            map.add("file", value);
            map.add("requestBody", requestBody.toString());


            HttpEntity<MultiValueMap<String, Object>> request = new HttpEntity<>(map, headers);

错误

"title":"InvalidRequestContent","status":400,"detail":"Request content not conform to API specification: UTF-8;boundary=Kpj8KEbP1NBn3tLmsWgbj8O6LlcGNzyp60ejoi4A"

Answer 1

默认情况下，如果您使用 Exchange()，RestTemplate 会添加 utf-8。我不知道为什么。

使用 postForObject，即类似这样的：

String serverEndPoint = "https://httpbin.org/post";
HttpHeaders headers = new HttpHeaders();
headers.setContentType("multipart/form-data");
HttpEntity<Whatever> entity = new HttpEntity<>(whateverObject, headers);
String result = restTemplate.postForObject(serverEndPoint, entity, String.class);

Answer 2

你是如何解决这个问题的？