获取企业内部应用的access_token

curl 'https://oapi.dingtalk.io/gettoken?appkey=dingeqqpkv3xxxxxx&appsecret=GT-lsu-taDAxxxsTsxxxx'

DingTalkClient client = new DefaultDingTalkClient("https://oapi.dingtalk.io/gettoken");
OapiGettokenRequest req = new OapiGettokenRequest();
req.setAppkey("dingeqqpkv3xxxxxx");
req.setAppsecret("GT-lsu-taDAxxxsTsxxxx");
req.setHttpMethod("GET");
OapiGettokenResponse rsp = client.execute(req);
System.out.println(rsp.getBody());

import dingtalk.api

req=dingtalk.api.OapiGettokenRequest("https://oapi.dingtalk.io/gettoken")

req.appkey="dingeqqpkv3xxxxxx"
req.appsecret="GT-lsu-taDAxxxsTsxxxx"
try:
  resp= req.getResponse()
  print(resp)
except Exception,e:
  print(e)

include "TopSdk.php";
$c = new DingTalkClient(DingTalkConstant::$CALL_TYPE_OAPI, DingTalkConstant::$METHOD_GET, DingTalkConstant::$FORMAT_JSON);
$req = new OapiGettokenRequest;
$req->setAppkey("dingeqqpkv3xxxxxx");
$req->setAppsecret("GT-lsu-taDAxxxsTsxxxx");
$resp = $c->execute($req, null, "https://oapi.dingtalk.io/gettoken");

IDingTalkClient client = new DefaultDingTalkClient("https://oapi.dingtalk.io/gettoken");
OapiGettokenRequest req = new OapiGettokenRequest();
req.Appkey = "dingeqqpkv3xxxxxx";
req.Appsecret = "GT-lsu-taDAxxxsTsxxxx";
req.SetHttpMethod("GET");
OapiGettokenResponse rsp = client.Execute(req);
Console.WriteLine(rsp.Body);

{
  "errcode": 0,
  "access_token": "797ce303b1xxxxxxfd9e93e9c15a2d34",
  "errmsg": "ok",
  "expires_in": 7200
}