Upload media files

curl -X POST "https://oapi.dingtalk.io/media/upload" \
-H 'Content-Type:multipart/form-data;charset=utf-8' \
-F 'access_token=4c813ba0-2363-4927-9de0-376b0e6853a2' \
-F 'type=image' \
-F 'media=@"C:/Users/Desktop/222.png"'

DingTalkClient client = new DefaultDingTalkClient("https://oapi.dingtalk.io/media/upload");
OapiMediaUploadRequest req = new OapiMediaUploadRequest();
req.setType("image");
// The media file to upload
FileItem item = new FileItem("C:/Users/Desktop/222.png");
req.setMedia(item);
OapiMediaUploadResponse rsp = client.execute(req, access_token);
System.out.println(rsp.getBody());

import dingtalk.api

req=dingtalk.api.OapiMediaUploadRequest("https://oapi.dingtalk.io/media/upload")

req.type="image"
req.media=dingtalk.api.FileItem('abc.jpg',open('abc.jpg','rb'))
try:
  resp= req.getResponse(access_token)
  print(resp)
except Exception,e:
  print(e)

include "TopSdk.php";
date_default_timezone_set('Asia/Shanghai');

$c = new DingTalkClient(DingTalkConstant::$CALL_TYPE_OAPI, DingTalkConstant::$METHOD_POST , DingTalkConstant::$FORMAT_JSON);
$req = new OapiMediaUploadRequest;
$req->setType("image");

$req->setMedia("C:/Users/Desktop/222.png");
$resp = $c->execute($req, $access_token, "https://oapi.dingtalk.io/media/upload");

IDingTalkClient client = new DefaultDingTalkClient("https://oapi.dingtalk.io/media/upload");
OapiMediaUploadRequest req = new OapiMediaUploadRequest();
req.Type = "image";
req.Media = new FileItem("C:/Users/Desktop/222.png");
OapiMediaUploadResponse rsp = client.Execute(req, access_token);
Console.WriteLine(rsp.Body);

{
  "errcode": 0,
  "errmsg": "ok",
  "media_id": "$iAEKAqNwbmcDBgTNAk",
  "created_at": 1605863153573,
  "type": "image"
}