Hishop.Weixin.Pay/PayClient.cs

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namespace Hishop.Weixin.Pay
{
    using Hishop.Weixin.Pay.Domain;
    using Hishop.Weixin.Pay.Util;
    using Newtonsoft.Json;
    using System;
    using System.Collections.Generic;
    using System.Data;
    using System.IO;
    using System.Net;
    using System.Text;
    using System.Web;
    using System.Xml;

    public class PayClient
    {
        private PayAccount _payAccount;
        public static readonly string Deliver_Notify_Url = "https://api.weixin.qq.com/pay/delivernotify";
        public static readonly string prepay_id_Url = "https://api.mch.weixin.qq.com/pay/unifiedorder";

        public PayClient(PayAccount account) : this(account.AppId, account.AppSecret, account.PartnerId, account.PartnerKey, account.PaySignKey)
        {
        }

        public PayClient(string appId, string appSecret, string partnerId, string partnerKey, string paySignKey)
        {
            PayAccount account = new PayAccount {
                AppId = appId,
                AppSecret = appSecret,
                PartnerId = partnerId,
                PartnerKey = partnerKey,
                PaySignKey = paySignKey
            };
            this._payAccount = account;
        }

        internal string BuildPackage(PackageInfo package)
        {
            PayDictionary parameters = new PayDictionary();
            parameters.Add("appid", this._payAccount.AppId);
            parameters.Add("mch_id", this._payAccount.PartnerId);
            parameters.Add("device_info", "");
            parameters.Add("nonce_str", Utils.CreateNoncestr());
            parameters.Add("body", package.Body);
            parameters.Add("attach", "");
            parameters.Add("out_trade_no", package.OutTradeNo);
            parameters.Add("total_fee", (int) package.TotalFee);
            parameters.Add("spbill_create_ip", package.SpbillCreateIp);
            parameters.Add("time_start", package.TimeExpire);
            parameters.Add("time_expire", "");
            parameters.Add("goods_tag", package.GoodsTag);
            parameters.Add("notify_url", package.NotifyUrl);
            parameters.Add("trade_type", "JSAPI");
            parameters.Add("openid", package.OpenId);
            parameters.Add("product_id", "");
            string sign = SignHelper.SignPackage(parameters, this._payAccount.PartnerKey);
            writeLog(parameters, sign, "", "");
            string str2 = this.GetPrepay_id(parameters, sign);
            if (str2.Length > 0x40)
            {