素材上传得到media_id，该media_id仅三天内有效
media_id在同一企业内应用之间可以共享
请求方式：POST（HTTPS）
请求地址：https://qyapi.weixin.qq.com/cgi-bin/media/uploadaccess_token=ACCESS_TOKEN&type=TYPE
使用multipart/form-data POST上传文件， 文件标识名为”media”
参数说明：
| 参数 | 必须 | 说明 |
|---|---|---|
| access_token | 是 | 调用接口凭证 |
| type | 是 | 媒体文件类型，分别有图片（image）、语音（voice）、视频（video），普通文件（file） |
POST的请求包中，form-data中媒体文件标识，应包含有 filename、filelength、content-type等信息
filename标识文件展示的名称。比如，使用该media_id发消息时，展示的文件名由该字段控制
请求示例：
POST https://qyapi.weixin.qq.com/cgi-bin/media/upload?access_token=accesstoken001&type=file
HTTP/1.1Content-Type: multipart/form-data; boundary=-------------------------acebdf13572468
Content-Length: 220---------------------------acebdf13572468
Content-Disposition: form-data; name="media";filename="wework.txt"; filelength=6
Content-Type: application/octet-streammytext---------------------------acebdf13572468--
@ApiOperation(value = "企业微信上传临时文件", notes = "企业微信上传临时文件")
@PostMapping("/uploadimg")
public String uploadimg(MultipartFile files) throws IOException {
RestTemplate restTemplate = new RestTemplate();
URI uri = UriComponentsBuilder.fromHttpUrl("https://qyapi.weixin.qq.com/cgi-bin/media/upload")
.queryParam("access_token", "oWtvz7v8bG8_y3a-OducvPyR4312eAmkPLZyLMnP_tKcoQ0c1ZIgWzaXHnp6rZxCgtFHCMXTi6MgOh0jEwwaSglz8TnFdSdPRK2IF1yKA_u5CGwVSgBrkyw2Gx5PgMKlWr8xmikRvMZXVahDS1CIiJZN9D97ZfScozLIFF-25xPDES2n9_8ZKruTj3olO8E5bGXnYsmgwAyU2jxx3CcoNQ")
.queryParam("type", "file")
.build().toUri();
InputStream inputStream = files.getInputStream();
String s = restTemplate.postForObject(uri, new InputStreamResource(inputStream), String.class);
return s;
}
说明传递的文件没有文件名
个人代码:
@ApiOperation(value = "企业微信上传临时文件", notes = "企业微信上传临时文件")
@PostMapping("/uploadimg")
public String uploadimg() throws IOException {
RestTemplate restTemplate = new RestTemplate();
URI uri = UriComponentsBuilder.fromHttpUrl("https://qyapi.weixin.qq.com/cgi-bin/media/upload")
.queryParam("access_token", "oWtvz7v8bG8_y3a-OducvPyR4312eAmkPLZyLMnP_tKcoQ0c1ZIgWzaXHnp6rZxCgtFHCMXTi6MgOh0jEwwaSglz8TnFdSdPRK2IF1yKA_u5CGwVSgBrkyw2Gx5PgMKlWr8xmikRvMZXVahDS1CIiJZN9D97ZfScozLIFF-25xPDES2n9_8ZKruTj3olO8E5bGXnYsmgwAyU2jxx3CcoNQ")
.queryParam("type", "image")
.build().toUri();
FileSystemResource fileSystemResource = new FileSystemResource("C:\\Users\\Administrator\\Desktop\\3d3c789387ffd4e12006f16f7c78b187.jpg");
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.MULTIPART_FORM_DATA);
/*Content-Disposition: form-data; name="media";filename="wework.txt"; filelength=6*/
ContentDisposition build = ContentDisposition.builder("form-data").filename(fileSystemResource.getFilename()).build();
headers.setContentDisposition(build);
MultiValueMap<String, Object> params = new LinkedMultiValueMap<>();
params.add("media", fileSystemResource);
HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(params, headers);
String s = restTemplate.postForObject(uri,requestEntity , String.class);
return s;
}