private string refund(HttpContext context)
{
try
{
//string alluserid = context.Request["alluserid"];
string biaoNum = context.Request["biaoNum"];
string payNo = context.Request["orderno"];
ms.makeLog("进来了退款的方法:" + "，还镖数量：" + biaoNum + "，付款单号：" + payNo);
//注意这里，这里有异常
refundInfo info = ms.getRefundInfo(biaoNum, payNo); //这里计算出需要退款的信息
payNo = info.orderno;
Random rand = new Random();
int num = rand.Next(1000, 9999);
Parameteres param = new Parameteres();
string orderno = DateTime.Now.ToString("yyyyMMddHHmmss") + num;
Refund refund = new Refund();
refund.appid = "wxd6cf371dbe9f5906";
refund.key = "F56S456F4SD5F4S65F4AS65D4FS6D54F";
refund.mch_id = "1519238551";
refund.nonce_str = "5K8264ILTKCH16CQ2502SI8ZNMTM67VS"; //随机字符串
refund.out_refund_no = orderno; //退款单号随机生成
refund.out_trade_no = payNo; //支付单号
refund.refund_fee = info.refundPrice;
refund.total_fee = info.totalPrice;
refund.notify_url = "https://feibiao.ty-gz.com:8137/dist/Handler/refundNotify.ashx";
string strParam = getRefundParam(refund);
string payResXML = Helper.PostWebRequest("https://api.mch.weixin.qq.com/secapi/pay/refund", strParam);
ms.makeLog("退款方法:" + payResXML + ",refund.refund_fee:" + refund.refund_fee + ",refund.total_fee:" + refund.total_fee);
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(payResXML);
XmlNode rootNode = xmlDoc.SelectSingleNode("xml");
XmlNode nodeScuecc = rootNode.SelectSingleNode("result_code");
if (nodeScuecc == null)
{
ms.makeLog("微信退款：result_code节点为空");
return("");
}
XmlNode refund_idNode = rootNode.SelectSingleNode("refund_id");
if (refund_idNode != null)
{
string refund_id = refund_idNode.InnerText;
refund_id = refund_id.Replace("<![CDATA[", "").Replace("]]", "");
XmlNode refund_feeNode = rootNode.SelectSingleNode("cash_refund_fee");
string refundfee = refund_feeNode.InnerText.Replace("<![CDATA[", "").Replace("]]", "");
XmlNode out_trade_noNode = rootNode.SelectSingleNode("out_trade_no");
string out_trade_no = out_trade_noNode.InnerText.Replace("<![CDATA[", "").Replace("]]", "");
XmlNode out_refund_noNode = rootNode.SelectSingleNode("out_refund_no");
string out_refund_no = out_refund_noNode.InnerText.Replace("<![CDATA[", "").Replace("]]", "");
int count = ms.selectRefundCount(refund_id);
if (count > 0)
{
return("");
}
int aa = ms.addRefund(out_trade_no, out_refund_no, refund_id, refundfee);
int changeState = ms.updateRefundState(out_trade_no);
}
return("成功退押金：" + info.refundPrice + "分");
}
catch (Exception ex)
{
ms.makeLog("退款方法异常:" + ex.ToString());
return(ex.ToString());
}
}