Discuz.Plugin/Payment/StandardAliPayment.cs

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using System.Reflection;
using System.Security.Cryptography;
using System.Text;
using Discuz.Common;
using Discuz.Plugin.Payment.Alipay;

namespace Discuz.Plugin.Payment
{
    public class StandardAliPayment : IPayment
    {

        #region 单体模式实例化

        private static volatile StandardAliPayment instance = null;

        private static object lockHelper = new object();

        private StandardAliPayment()
        { }

        /// <summary>
        /// 单体模式返回当前类的实例
        /// </summary>
        /// <returns></returns>
        public static StandardAliPayment GetService()
        {

            if (instance == null)
            {
                lock (lockHelper)
                {
                    if (instance == null)
                    {
                        instance = new StandardAliPayment();
                    }
                }
            }

            return instance;
        }

        #endregion

        #region 成员变量
        /// <summary>
        /// 支付宝网关地址
        /// </summary>
        private string _aliPay = "https://www.alipay.com/cooperate/gateway.do?";
        #endregion


        #region 属性
        /// <summary>
        /// 支付网关地址
        /// </summary>
        public string PayUrl
        {
            set { _aliPay = value; }
            get
            {