中国银行在线支付接口代码

页面代码：

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ChinaBank.aspx.cs" Inherits="ChinaBank.ChinaBank" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body onload="javascript:document.frm1.submit();">
    <form action="https://ebspay.boc.cn/PGWPortal/RecvOrder.do" method="post" name="frm1" id="frm1">
    <div>
        
        <INPUT TYPE="HIDDEN" SIZE="25" ID="merchantNo" NAME="merchantNo" VALUE=""><BR/>
        
        <INPUT TYPE="HIDDEN" SIZE="10" ID="payType" NAME="payType" VALUE="1"><BR/>
        
        <INPUT TYPE="HIDDEN" SIZE="19" ID="orderNo" NAME="orderNo" VALUE="<%=_orderNo %>"><BR/>
        
        <INPUT TYPE="HIDDEN" SIZE="3" ID="curCode" NAME="curCode" VALUE="001"><BR/>
        
        <INPUT TYPE="HIDDEN" SIZE="13" ID="orderAmount" NAME="orderAmount" VALUE="<%=_orderAmount %>"><BR/>
        
        <INPUT TYPE="HIDDEN" SIZE="14" ID="orderTime" NAME="orderTime" VALUE="<%=_orderTime %>"><BR/>
        
        <INPUT TYPE="HIDDEN" SIZE="30" ID="orderNote" NAME="orderNote" VALUE=""><BR/>
        
        <INPUT TYPE="HIDDEN" SIZE="100" ID="orderUrl" NAME="orderUrl" VALUE="" /><br />
        
        <INPUT TYPE="HIDDEN" ID="signData" NAME="signData" VALUE="<%=_signData %>" />
        <br />
    </div>
    </form>
</body>
</html>

页面方法：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Security.Cryptography.X509Certificates;
using System.Security.Cryptography.Pkcs;
using System.Text;
using System.Configuration;

namespace ChinaBank
{
    public partial class ChinaBank : System.Web.UI.Page
    {
        protected string _orderNo;
        protected string _orderAmount;
        protected string _orderTime;
        protected string _signData;

        protected void Page_Load(object sender, EventArgs e)
        {
            //防止刷新
            Response.AddHeader("Pragma", "No-Cache");
            Response.Buffer = true;
            Response.ExpiresAbsolute = DateTime.Now.AddSeconds(-1);
            Response.Expires = 0;
            Response.CacheControl = "no-cache";

            string MerchantCertificate = ""//中国银行pfx证书的路径
            string MerchantCertificateKey = ""//证书签名

            string _merchantNo = "";//商户号
            _orderNo = DateTime.Now.ToString("yyyyMMddHHmmss");//商户订单号
            _orderAmount = "0.01";//订单金额
            _orderTime = DateTime.Now.ToString("yyyyMMddHHmmss");//订单时间
            string _curCode = "001";//订单币种
            _signData = _orderNo + "|" + _orderTime + "|" + _curCode + "|" + _orderAmount + "|" + _merchantNo;

            X509Certificate2 signerCert = new X509Certificate2(MerchantCertificate, MerchantCertificateKey, X509KeyStorageFlags.MachineKeySet);
            SignedCms signedCms = new SignedCms(new ContentInfo(Encoding.UTF8.GetBytes(_signData)), false);
            CmsSigner cmsSigner = new CmsSigner(signerCert);
            cmsSigner.IncludeOption = X509IncludeOption.EndCertOnly;
            signedCms.ComputeSignature(cmsSigner);
            _signData = Convert.ToBase64String(signedCms.Encode());
        }
    }
}

支付结果返回页面方法：

接受返回的参数值

                    string orderNo = Request["orderNo"];
                    string orderStatus = Request["orderStatus"];
                    string orderSeq = Request["orderSeq"];

来源：https://www.cnblogs.com/tongshengle/archive/2012/02/02/2335927.html

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