网银在线支付接口类

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

namespace Pay
{
    /// <summary>
    /// 网银在线支付
    /// </summary>
    public class ChinaBank
    {
        //必要的交易信息
         private string _v_amount;
        private string _v_moneytype = "CNY";
        private string _v_md5info;
        private string _v_mid;
        private string _v_url = "/Receive.aspx";
        private string _v_oid;
        private string _v_key;
        private ReceiveStruct _Receive;
        private OrderStruct _Order;
        private ReMarkStruct _ReMark;

        #region 收货信息结构

        /// <summary>
        /// 收货信息结构
        /// </summary>
        public struct ReceiveStruct
        {
           public string v_rcvname;                                                            // 收货人
            public string v_rcvaddr;                                                            // 收货地址
            public string v_rcvtel;                                                             // 收货人电话
            public string v_rcvpost;                                                            // 收货人邮编
            public string v_rcvemail;                                                           // 收货人邮件
            public string v_rcvmobile;                                                          // 收货人手机号
            public string[] v_rcv
            {
                get
                {
                    return new string[]
                    { 
                        "v_rcvname="+v_rcvname,
                        "v_rcvaddr="+v_rcvaddr,
                        "v_rcvtel="+v_rcvtel,
                        "v_rcvpost="+v_rcvpost,
                        "v_rcvemail="+v_rcvemail,
                        "v_rcvmobile="+v_rcvmobile
                    };
                }
            }
        }

        #endregion 收货信息结构

        #region 订货人信息结构

        /// <summary>
        /// 订货人信息结构
        /// </summary>
        public struct OrderStruct
        {
           public string v_ordername;                                                          // 订货人姓名
            public string v_orderaddr;                                                          // 订货人地址
            public string v_ordertel;                                                           // 订货人电话
            public string v_orderpost;                                                          // 订货人邮编
            public string v_orderemail;                                                         // 订货人邮件
            public string v_ordermobile;                                                        // 订货人手机号
            public string[] v_order
            {
                get
                {
                    return new string[]
                    { 
                        "v_ordername="+v_ordername,
                        "v_orderaddr="+v_orderaddr,
                        "v_ordertel="+v_ordertel,
                        "v_orderpost="+v_orderpost,
                        "v_orderemail="+v_orderemail,
                        "v_ordermobile="+v_ordermobile
                    };
                }
            }
        }

        #endregion 订货人信息结构

        #region 两个备注结构

        /// <summary>
        /// 两个备注结构
        /// </summary>
        public struct ReMarkStruct
        {
            public string remark1;
            public string remark2;
            public string[] remark
            {
                get
                {
                    return new string[]
                    { 
                        "remark1="+remark1,
                        "remark2="+remark2
                    };
                }
            }
        }

        #endregion 两个备注结构
        
        #region 网银在线基础属性

        /// <summary>
        /// 订单金额
        /// </summary>
        public string v_amount
        {
            get { return _v_amount;  }
            set { _v_amount = value; }
        }
        /// <summary>
        /// 币种
        /// </summary>
        public string v_moneytype
        {
            get { return _v_moneytype; }
            set { _v_moneytype = value; }
        }
        /// <summary>
        /// 对拼凑串MD5私钥加密后的值
        /// </summary>
        public string v_md5info
        {
            get 
            {
                string text = v_amount + v_moneytype + v_oid + v_mid + v_url + v_key;                           // 拼凑加密串
                _v_md5info = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(text, "md5").ToUpper();
                return _v_md5info;
            }
        }
        /// <summary>
        /// 商户号
        /// </summary>
        public string v_mid
        {
            get { return _v_mid; }
            set { _v_mid = value; }
        }
        /// <summary>
        /// 返回页地址
        /// </summary>
        public string v_url
        {
            get { return _v_url; }
            set { _v_url = value; }
        }
        /// <summary>
        ///推荐订单号构成格式为 年月日-商户号-小时分钟秒
        /// </summary>
        public string v_oid
        {
            get { return _v_oid; }
            set { _v_oid = value; }
        }
        /// <summary>
        /// MD5密钥
        /// </summary>
        public string v_key
        {
            get { return _v_key; }
            set { _v_key = value; }
        }
        /// <summary>
        /// 收获人信息
        /// </summary>
        public ReceiveStruct Receive
        {
            get { return _Receive; }
            set { _Receive = value; }
        }
        /// <summary>
        /// 订货人信息
        /// </summary>
        public OrderStruct Order
        {
            get { return _Order; }
            set { _Order = value; }
        }
        /// <summary>
        /// 备注信息
        /// </summary>
        public ReMarkStruct ReMark
        {
            get { return _ReMark; }
            set { _ReMark = value; }
        }
        #endregion 网银在线基础属性

        #region  网银在线方法

        /// <summary>
        /// 构造支付Url 
        /// </summary>
        /// <param name="chinabank"></param>
        /// <returns></returns>
        public static string CreatUrl(ChinaBank chinabank)
        {
            string[] OrderUrl ={
                "v_oid="+chinabank.v_oid,
                "v_amount="+chinabank.v_amount,
                SplitUrl(chinabank.Receive.v_rcv),
                SplitUrl(chinabank.Order.v_order),
                SplitUrl(chinabank.ReMark.remark)
            };
            return SplitUrl(OrderUrl).ToString();
        }
        /// <summary>
        /// 构造支付Url
        /// </summary>
        /// <param name="OrderUrl"></param>
        /// <returns></returns>
        private static string SplitUrl(string[] OrderUrl)
        {
            System.Text.StringBuilder parameter = new System.Text.StringBuilder();
            int k = 0;
            for (int i = 0; i < OrderUrl.Length; i++)
            {
                k++;
                if (k==1)
                {
                    parameter.Append(OrderUrl[i]);
                }
                else
                {
                    parameter.Append("&" + OrderUrl[i]);
                }
            }
            return parameter.ToString();
        }
        #endregion 网银在线方法
    }
}