OkHttp3上传file文件和其他参数，怎么上传

MediaType MEDIA_TYPE_MARKDOWN = MediaType.parse("text/x-markdown; charset=utf-8");
RequestBody requestBody = new MultipartBody.Builder()
            .addFormDataPart("token","token")
            .addFormDataPart("file", file.getName(), RequestBody.create(MEDIA_TYPE_MARKDOWN, file))
            .build();
Request request = new Request.Builder()
            .url("CaseManagement/UploadImg")
            .post(requestBody)
            .build();
            
为什么不能上传参数？

---

.addFormDataPart("token","token")

这不就是你所谓的其它参数吗?

---

private Request buildMultipartFormRequest(String url, File[] files,
                                              String[] fileKeys, Param[] params){
       MultipartBuilder builder = new MultipartBuilder()
                .type(MultipartBuilder.FORM);

        for (Param param : params) {
            builder.addPart(Headers.of("Content-Disposition", "form-data; name=\"" + param.key + "\""),
                    RequestBody.create(null, param.value));
        }
        if (files != null) {
            RequestBody fileBody = null;
            for (int i = 0; i < files.length; i++) {
                File file = files[i];
                String fileName = file.getName();
                fileBody = RequestBody.create(MediaType.parse("image/*"), file);
                builder.addPart(Headers.of("Content-Disposition",
                        "form-data; name=\"" + fileKeys[i] + "\"; filename=\"" + fileName + "\""),
                        fileBody);
            }
        }

        RequestBody requestBody = builder.build();
        return new Request.Builder()
                .url(url)
                .post(requestBody)
                .tag(TAG)
                .build();
                }