/// <summary> /// 传入订单号OrderNumber,RefundNumber,总金额total_fee(分),RefundFee退款金额(分), /// </summary> /// <param name="context"></param> /// <param name="param"></param> /// <returns></returns> public static BaseResult Refund(PayParam param) { if (param.TotalFee == null || param.RefundFee == null || string.IsNullOrWhiteSpace(param.OrderNumber) || string.IsNullOrWhiteSpace(param.RefundNumber)) { return(new BaseResult() { IsSuccess = false, Message = "参数错误!" }); } #region 财付通退款,已OK //var packageReq = new RequestHandler(context); //packageReq.SetKey(Key); //packageReq.SetParameter("partner", "1225604801"); //packageReq.SetParameter("out_trade_no", param.OrderNumber); //packageReq.SetParameter("out_refund_no", param.OrderNumber); //packageReq.SetParameter("total_fee", param.TotalFee.Value.ToString(CultureInfo.InvariantCulture)); //packageReq.SetParameter("refund_fee", param.RefundFee.Value.ToString(CultureInfo.InvariantCulture)); //packageReq.SetParameter("op_user_id", "1225604801"); //packageReq.SetParameter("op_user_passwd", "111111"); //packageReq.SetParameter("sign", packageReq.CreateSign()); //var httpClient = new HttpUtil(); ////httpClient.SetCharset(context.Request.ContentEncoding.BodyName); ////这里很神奇,必须要用 GB2312编码,不能通过 context.Request.ContentEncoding.BodyName获取编码 //httpClient.SetCharset("gb2312"); //httpClient.SetCertInfo(WeChatCertPath, WeChatCertPwd); //var reqXml = packageReq.GetRequestURL(); //var result = httpClient.Send(reqXml, "https://mch.tenpay.com/refundapi/gateway/refund.xml"); //var xe = XElement.Parse(result, LoadOptions.SetLineInfo); //return new BaseResult() { IsSuccess = false }; #endregion #region 微信退款 var packageReq = new RequestHandler(); packageReq.SetKey(WeChatConfig.GetKey()); packageReq.SetParameter("appid", WeChatConfig.GetAppId()); packageReq.SetParameter("mch_id", WeChatConfig.GetMchId()); packageReq.SetParameter("nonce_str", GetNoncestr()); //packageReq.SetParameter("transaction_id", ""); packageReq.SetParameter("out_trade_no", param.OrderNumber); packageReq.SetParameter("out_refund_no", param.RefundNumber); packageReq.SetParameter("total_fee", (param.TotalFee.Value).ToString(CultureInfo.InvariantCulture)); packageReq.SetParameter("refund_fee", param.RefundFee.Value.ToString(CultureInfo.InvariantCulture)); packageReq.SetParameter("op_user_id", WeChatConfig.GetMchId()); packageReq.SetParameter("sign", packageReq.CreateMd5Sign()); var reqXml = packageReq.ParseXml(); var result = HttpHelper.Post(new HttpParam() { Url = "https://api.mch.weixin.qq.com/secapi/pay/refund", PostParam = reqXml, Encoding = HttpContext.Current.Request.ContentEncoding, CertPath = WeChatConfig.GetCertPath(), CertPwd = WeChatConfig.GetCertPwd() }); var xe = XElement.Parse(result, LoadOptions.SetLineInfo); var returnCode = xe.GetElement("return_code").Value; //退款成功 if (returnCode.Equals("SUCCESS")) { var resultCode = xe.GetElement("result_code").Value; if (resultCode.Equals("SUCCESS")) { var outTradeNo = xe.GetElement("out_trade_no").Value; //在外面回写订单 return(new BaseResult() { IsSuccess = true, Data = new Dictionary <string, string> { { "OrderNumber", outTradeNo } } }); } } var errCodeDes = xe.GetElement("err_code_des") == null ? "" : xe.GetElement("err_code_des").Value; var returnMsg = xe.GetElement("return_msg") == null ? "" : xe.GetElement("return_msg").Value; return(new BaseResult() { IsSuccess = false, Message = returnMsg + errCodeDes }); #endregion }