peterlee.kr

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public partial class tossPay : System.Web.UI.Page
{
    public string tel;
    public string name;
    public string address;
    public string email;
    public string totalprice;
    public string barre;

protected void Page_Load(object sender, EventArgs e)
    {
        // 에러 Could not create SSL/TLS secure channel. 가 나서 아래 세 줄을 출처 : https://www.codeproject.com/Questions/1255767/Could-not-create-SSL-TLS-secure-channel 에서 참고하여 추가함. 추가 후 에러 없음
        ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3;
        System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
        ServicePointManager.ServerCertificateValidationCallback = (snder, cert, chain, error) => true;
        // tel = Request.QueryString["tel"];
        // name = Request.QueryString["name"];
        // address = Request.QueryString["address"];
        // email = Request.QueryString["email"];

totalprice = Request.QueryString["totalprice"];
        barre = Request.QueryString["barre"];

var url = "https://pay.toss.im/api/v2/payments";

var httpRequest = (HttpWebRequest)WebRequest.Create(url);
        httpRequest.Method = "POST";

httpRequest.ContentType = "application/json";

var data = @"{
        ""orderNo"":""11"",
        ""amount"":10000,
        ""amountTaxFree"":0,
        ""productDesc"":""테스트결제"",
        ""apiKey"":""sk_test_e3kWlxRR21e3kW4abL21"",
        ""autoExecute"":true,
        ""resultCallback"":""https://temp.tanz.co.kr/PaymentMethod/toss/callback.html"",
        ""callbackVersion"":""V2"",
        ""retUrl"": ""https://temp.tanz.co.kr/PaymentMethod/toss/tossOrderComplete.html"",
        ""retCancelUrl"": ""https://temp.tanz.co.kr/PaymentMethod/toss/tossOrderCancel.html""
        }";

using (var streamWriter = new StreamWriter(httpRequest.GetRequestStream()))
        {
            streamWriter.Write(data);
        }

var httpResponse = (HttpWebResponse)httpRequest.GetResponse();
        using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
        {
            var result = streamReader.ReadToEnd();
            HttpContext.Current.Response.Write(result); // 이 값이 결제 생성 코드를 가져온다. 성공!!! 변수 result를 분해해서 asp에서처럼 리다이렉트 하면 된다.

}

//Console.WriteLine(httpResponse.StatusCode);
        HttpContext.Current.Response.Write(httpResponse.StatusCode);

}
   
}

Edit

EasyPayModel