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[英]Spring org.springframework.web.multipart.support.MissingServletRequestPartException, Required request part 'file' is not present
[英]MissingServletRequestPartException: Required request part 'file' is not present Springboot
我有一個執行文件上傳的控制器,我正在嘗試從另一個服務向控制器端點發布請求。
@RequestMapping(path = "/upload/{id}", method = RequestMethod.POST)
public String uploadBaseImage(@RequestParam("data") String imageData, @RequestParam("file") MultipartFile file,@PathVariable("id") String id)
throws Exception {
String imageUrl = feedHandler.UploadAndSetImageUrl(imageData, file,Integer.parseInt(id));
return imageUrl;
}
我調用上述端點的代碼
public SupplierFeedResponse uploadBaseFeedImage(String data, MultipartFile file, String supplierId) throws IOException {
String uploadBaseFeedEndpoint = uploadFeedEndpoint+Constants.FEED_SERVICE_BASE_FEED_UPLOAD_URI+supplierId;
SupplierFeedResponse supplierFeedResponse = new SupplierFeedResponse();
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.MULTIPART_FORM_DATA);
MultiValueMap<String, Object> body = new LinkedMultiValueMap<>();
body.add("file", new ByteArrayResource(file.getBytes()));
body.add("data", data);
log.info("Request body : "+body.toString());
HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(body, headers);
RestTemplate restTemplate = new RestTemplate();
ResponseEntity<String> response = restTemplate.postForEntity(uploadBaseFeedEndpoint, requestEntity, String.class);
return supplierFeedResponse;
}
我收到以下錯誤,不知道原因:
[MissingServletRequestPartException: Required request part 'file' is not present]
找了半天沒解決。
可能您的請求中缺少file
參數,因此您必須考慮請求中的file
參數。 您也可以在@RequestParam
添加新屬性( require
),例如@RequestParam(value = "file", required = false)
。 required
屬性的目的,使請求參數成為必需(如果為真)或可選(如果為假)。
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