Henry的學習筆記

        static void Main(string[] args) {

            System.Net.ServicePointManager.ServerCertificateValidationCallback = delegate { return true; };
            System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
            try
            {
                string url = "https://api.einvoice.nat.gov.tw/PB2CAPIVAN/Carrier/AppGetBarcode";
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
                request.Method = "POST";
                request.ContentType = "application/x-www-form-urlencoded";

                NameValueCollection postParams = System.Web.HttpUtility.ParseQueryString(string.Empty);

                var nowTicks = (int)(DateTime.Now - new DateTime(1970, 1, 1, 0, 0, 0)).TotalSeconds;//時間戳記

                var timeStamp = (nowTicks + 10).ToString();

                //需要的參數
                string myQueryText = string.Format(@"action={0}&appID={1}&phoneNo={2}&timeStamp={3}&uuid={4}&verificationCode={5}&version={6}",
                    "getBarcode", "申請得到的appID", "自己的手機號碼", timeStamp, "test", "手機條碼驗證碼","1.0");// 
                string postData = myQueryText;


                string result = string.Empty;
                using (WebClient webClient = new WebClient())
                {
                    webClient.Encoding = Encoding.UTF8;
                    webClient.Headers.Add(HttpRequestHeader.ContentType, "application/x-www-form-urlencoded");
                    byte[] byteArray = Encoding.UTF8.GetBytes(postData);
                    result = Encoding.UTF8.GetString(webClient.UploadData(url, byteArray));
                }
                Console.WriteLine(result);//印出結果
                Console.ReadKey();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
                Console.ReadKey();
            }
        }