WmptWeixin/UnifiedOrder_pub.cs

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/*********************************************************************
 .
 
 * Function : 
 *  at 2014-05-24 15:18:46.
  
*********************************************************************/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;


using WMPT.Model;
using WMPT.SQLServerDAL;
using WMPT.Common;
using System.Web;
using Newtonsoft.Json.Linq;
using System.Xml;

namespace WMPT.Weixin
{
    /// <summary>
    /// 统一支付接口类 
    /// 统一支付接口，可接受 JSAPI/NATIVE/APP 下预支付订单，返回预支付订单号
    /// </summary>
    public class UnifiedOrder_pub
    {
        protected HttpContext context;
        public string prepay_id = "";//微信生成的预支付 ID，用于后续接口调用中使用
        public string code_url = ""; //可将该参数值生成二维码展示出来进行扫码支付 
        public RequestHandler rh = null;

        /// <summary>
        /// 授权
        /// </summary>
        /// <param name="callbackurl"></param>
        public UnifiedOrder_pub(HttpContext _context)
        {
            context = _context;
            rh = new RequestHandler(context);
            rh.init();
        }


        /// <summary>
        /// 获取微信生成的预支付 ID，用于后续接口调用中使用
        /// </summary>
        /// <returns></returns>
        public void getPrepayId()
        {
            rh.getRequestURL();
            string Postdata = rh.parseXML();
            string url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
            HttpHelper objhttp = new HttpHelper();
            objhttp.isToLower = false;
            HttpItem objHttpItem = new HttpItem()
            {
                URL = url,
                Encoding = "utf-8",