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header("Content-type: text/html; charset=utf-8");

  $target_URL = "https://stg-spl.kcp.co.kr/gw/enc/v1/payment"; // 개발서버
  // $target_URL = "https://spl.kcp.co.kr/gw/enc/v1/payment"; // 운영서버

  $data = [
            'tran_cd'        => $tran_cd,
            'site_cd'        => $site_cd,
            'kcp_cert_info'  => $kcp_cert_info,
            'enc_data'       => $enc_data,
            'enc_info'       => $enc_info
          ];

  $req_data = json_encode($data);

  $header_data = array( "Content-Type: application/json", "charset=utf-8" );

  // API REQ
  $ch = curl_init();
  curl_setopt($ch, CURLOPT_URL, $target_URL);
  curl_setopt($ch, CURLOPT_HTTPHEADER, $header_data);
  curl_setopt($ch, CURLOPT_POST, 1);
  curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
  curl_setopt($ch, CURLOPT_POSTFIELDS, $req_data);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

  // API RES
  $res_data  = curl_exec($ch);

  // RES JSON DATA Parsing
  $json_res = json_decode($res_data, true);

  $res_cd = $json_res["res_cd"];
  $res_msg = $json_res["res_msg"];

  curl_close($ch);

  target_URL = "https://stg-spl.kcp.co.kr/gw/enc/v1/payment"; // 개발서버
  // target_URL = "https://spl.kcp.co.kr/gw/enc/v1/payment"; // 운영서버

  req_data = "{\"tran_cd\" : \"" + tran_cd + "\"," +
              "\"site_cd\":\"" + site_cd + "\"," +
              "\"kcp_cert_info\":\"" + KCP_CERT_INFO + "\"," +
              "\"enc_data\":\"" + enc_data + "\"," +
              "\"enc_info\":\"" + enc_info + "\"}";
  // API REQ
  HttpWebRequest req = (HttpWebRequest)WebRequest.Create(target_URL);
  req.Method = "POST";
  req.ContentType = "application/json";

  byte[] byte_req = Encoding.UTF8.GetBytes(req_data);
  req.ContentLength = byte_req.Length;

  Stream st = req.GetRequestStream();
  st.Write(byte_req, 0, byte_req.Length);
  st.Close();

  // API RES
  HttpWebResponse res = (HttpWebResponse)req.GetResponse();
  StreamReader st_read = new StreamReader(res.GetResponseStream(), Encoding.GetEncoding("utf-8"));
  res_data = st_read.ReadToEnd();

  st_read.Close();
  res.Close();

  // RES JSON DATA Parsing
  JObject json_data = JObject.Parse(res_data);
  res_cd = json_data["res_cd"].ToString();
  res_msg = json_data["res_msg"].ToString();

  target_URL = "https://stg-spl.kcp.co.kr/gw/enc/v1/payment" '개발서버
  'target_URL = "https://spl.kcp.co.kr/gw/enc/v1/payment" '운영서버

  req_data = "{""tran_cd"":""" & tran_cd & """,""site_cd"":""" & site_cd & """,""kcp_cert_info"":""" & kcp_cert_info & """,""enc_data"":""" & enc_data & """,""enc_info"":""" & enc_info & """}"

  ' API REQ
  set req = Server.CreateObject("MSXML2.ServerXMLHTTP")
  req.open "POST", target_URL, false
  req.setRequestHeader "Content-Type", "application/json;charset=UTF-8"
  req.send req_data

  ' API RES
  '요청 성공인 경우
  if req.status = 200 then
      res_data = req.ResponseText
  '요청 실패인 경우
  else
      res_data = "http error code : " & req.status
  end if
  set req = nothing

  '' RES JSON DATA Parsing
  set json_data = JSON.parse(res_data)

  res_cd = json_data.res_cd
  res_msg = json_data.res_msg

// 결제 REQ DATA
    var req_data = {
      tran_cd : f_get_parm(req.body.tran_cd),
      site_cd : site_cd,
      kcp_cert_info : KCP_CERT_INFO,
      enc_data : f_get_parm(req.body.enc_data),
      enc_info : f_get_parm(req.body.enc_info)
    };

    // fetch("https://spl.kcp.co.kr/gw/enc/v1/payment", { // 운영서버
    fetch("https://stg-spl.kcp.co.kr/gw/enc/v1/payment", { //개발서버
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
        },
        body: JSON.stringify(req_data),
      })
      // 결제 API RES
      .then(response => {
        return response.json();
      })
      .then(data => {

    res.render('kcp_api_pay', {
      req_data : JSON.stringify(req_data),
      res_data : JSON.stringify(data),
      });
  });

# 결제요청 API
  target_URL = 'https://stg-spl.kcp.co.kr/gw/enc/v1/payment' # 개발서버
  # target_URL = 'https://spl.kcp.co.kr/gw/enc/v1/payment' # 운영서버
  headers = {'Content-Type': 'application/json', 'charset': 'UTF-8'}

  site_cd = f_get_parm(request.form['site_cd'])

  # 결제 REQ DATA
  req_data = {
    'tran_cd' : f_get_parm(request.form['tran_cd']),
    'site_cd' : site_cd,
    'kcp_cert_info' : KCP_CERT_INFO,
    'enc_data' : f_get_parm(request.form['enc_data']),
    'enc_info' : f_get_parm(request.form['enc_info'])
  }

  res = requests.post(target_URL, headers=headers, data=json.dumps(req_data, ensure_ascii=False, indent="\t").encode('utf8'))

header("Content-type: text/html; charset=utf-8");

$target_URL = "https://stg-spl.kcp.co.kr/gw/enc/v1/payment"; // 승인요청 개발서버

$data = [
          'site_cd'        => $site_cd,
          'kcp_cert_info'  => $kcp_cert_info,
          'bt_group_id'    => $bt_group_id,
          'bt_batch_key'   => $bt_batch_key,
          'good_mny'   =>  $good_mny
        ];

$req_data = json_encode($data);

$header_data = array( "Content-Type: application/json", "charset=utf-8" );

// API REQ
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $target_URL);
curl_setopt($ch, CURLOPT_HTTPHEADER, $header_data);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_POSTFIELDS, $req_data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

// API RES
$res_data  = curl_exec($ch);

// RES JSON DATA Parsing
$json_res = json_decode($res_data, true);

$res_cd = $json_res["res_cd"];
$res_msg = $json_res["res_msg"];

curl_close($ch);

target_URL = "https://stg-spl.kcp.co.kr/gw/enc/v1/payment"; // 승인요청 개발서버

req_data = "{"\"site_cd\":\"" + site_cd + "\"," +
            "\"kcp_cert_info\":\"" + KCP_CERT_INFO + "\"," +
            "\"bt_group_id\":\"" + bt_group_id + "\"," +
            "\"bt_batch_key\":\"" + bt_batch_key + "\"," +
            "\"good_mny\":\"" + good_mny + "\"}";
// API REQ
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(target_URL);
req.Method = "POST";
req.ContentType = "application/json";

byte[] byte_req = Encoding.UTF8.GetBytes(req_data);
req.ContentLength = byte_req.Length;

Stream st = req.GetRequestStream();
st.Write(byte_req, 0, byte_req.Length);
st.Close();

// API RES
HttpWebResponse res = (HttpWebResponse)req.GetResponse();
StreamReader st_read = new StreamReader(res.GetResponseStream(), Encoding.GetEncoding("utf-8"));
res_data = st_read.ReadToEnd();

st_read.Close();
res.Close();

// RES JSON DATA Parsing
JObject json_data = JObject.Parse(res_data);
res_cd = json_data["res_cd"].ToString();
res_msg = json_data["res_msg"].ToString();

target_URL = "https://stg-spl.kcp.co.kr/gw/enc/v1/payment" '개발서버

req_data = "{""site_cd"":""" & site_cd & """,""kcp_cert_info"":""" & kcp_cert_info & """,""bt_group_id"":""" & bt_group_id & """,""bt_batch_key"":""" & bt_batch_key & """,""good_mny"":""" & good_mny & """}"

' API REQ
set req = Server.CreateObject("MSXML2.ServerXMLHTTP")
req.open "POST", target_URL, false
req.setRequestHeader "Content-Type", "application/json;charset=UTF-8"
req.send req_data

' API RES
'요청 성공인 경우
if req.status = 200 then
    res_data = req.ResponseText
'요청 실패인 경우
else
    res_data = "http error code : " & req.status
end if
set req = nothing

'' RES JSON DATA Parsing
set json_data = JSON.parse(res_data)

res_cd = json_data.res_cd
res_msg = json_data.res_msg

// 결제 REQ DATA
  var req_data = {
    site_cd : site_cd,
    kcp_cert_info : KCP_CERT_INFO,
    bt_group_id : bt_group_id,
    bt_batch_key : bt_batch_key,
    good_mny : '1' // 결제요청금액   ** 1 원은 실제로 업체에서 결제하셔야 될 원 금액을 넣어주셔야 합니다. 결제금액 유효성 검증 **
  };

  fetch("https://stg-spl.kcp.co.kr/gw/enc/v1/payment", {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
      },
      body: JSON.stringify(req_data),
    })
    // 결제 API RES
    .then(response => {
      return response.json();
    })
    .then(data => {

  res.render('kcp_api_pay', {
    req_data : JSON.stringify(req_data),
    res_data : JSON.stringify(data),
    });
});

# 결제요청 API
target_URL = 'https://stg-spl.kcp.co.kr/gw/enc/v1/payment' # 승인요청 API 개발환경
headers = {'Content-Type': 'application/json', 'charset': 'UTF-8'}

site_cd = f_get_parm(request.form['site_cd'])

# 결제 REQ DATA
req_data = {
  'site_cd' : site_cd,
  'kcp_cert_info' : KCP_CERT_INFO,
  'bt_group_id' : bt_group_id,
  'bt_batch_key' : bt_batch_key,
  'good_mny' : '1' # ** 1 원은 실제로 업체에서 결제하셔야 될 원 금액을 넣어주셔야 합니다. 결제금액 유효성 검증 **
}

res = requests.post(target_URL, headers=headers, data=json.dumps(req_data, ensure_ascii=False, indent="\t").encode('utf8'))