/// <summary>
/// 退款入口
/// </summary>
/// <param name="para"></param>
/// <returns></returns>
public override RefundFeeReturnModel ProcessRefundFee(PaymentPara para)
{
//退款网关
string gateway = "https://mapi.alipay.com/gateway.do";
//数据初始
RefundFeeReturnModel paymentInfo = new RefundFeeReturnModel();
paymentInfo.RefundResult = RefundState.Failure;
paymentInfo.RefundMode = RefundRunMode.Async;
string refund_batch_no = para.out_refund_no;
string strResult = string.Empty;
Config _config = GetConfig();
if (_config.Sign_type.ToLower() == "md5")
{
//多种签名机制参与参数不一样
if (string.IsNullOrEmpty(_config.Key))
{
throw new PluginException("未设置Key");
}
}
else
{
if (string.IsNullOrEmpty(_config.Private_key))
{
throw new PluginException("未设置私钥");
}
}
Dictionary <string, string> dicPara = new Dictionary <string, string>();
//整理基础数据
dicPara.Add("service", "refund_fastpay_by_platform_pwd"); //服务固定，退款
dicPara.Add("partner", _config.Partner); //合作者ID，支付宝提供
dicPara.Add("_input_charset", _config.Input_charset);
dicPara.Add("notify_url", para.notify_url);
//整理业务数据
dicPara.Add("seller_user_id", _config.Partner);
dicPara.Add("refund_date", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
dicPara.Add("batch_no", refund_batch_no);
dicPara.Add("batch_num", "1");
dicPara.Add("detail_data", para.pay_trade_no.Trim() + "^" + para.refund_fee.ToString("F2").Trim() + "^平台协商退款".Trim()); //要去除非格式时用“^”、“|”、“$”、“#”
string refundurl = Submit.BuildRequestUrl(dicPara, _config, gateway);
paymentInfo.RefundResult = RefundState.Success;
paymentInfo.ResponseContentWhenFinished = refundurl;
paymentInfo.RefundNo = refund_batch_no;
return(paymentInfo);
}
public override RefundFeeReturnModel ProcessRefundFee(PaymentPara para)
{
//创建请求对象
RequestHandler reqHandler = new RequestHandler();
RefundFeeReturnModel paymentInfo = new RefundFeeReturnModel();
paymentInfo.RefundMode = RefundRunMode.Sync;
paymentInfo.RefundResult = RefundState.Failure;
string strResult = string.Empty;
Config payConfig = Utility <Config> .GetConfig(WorkDirectory);
if (string.IsNullOrEmpty(payConfig.AppId))
{
throw new PluginException("未设置AppId");
}
if (string.IsNullOrEmpty(payConfig.MCHID))
{
throw new PluginException("未设置MCHID");
}
if (string.IsNullOrWhiteSpace(payConfig.pkcs12))
{
throw new PluginConfigException("未设置商户证书");
}
//-----------------------------
//设置请求参数
//-----------------------------
reqHandler.SetKey(payConfig.Key);
var nonceStr = TenPayUtil.GetNoncestr();
reqHandler.SetParameter("out_trade_no", para.out_trade_no);
reqHandler.SetParameter("out_refund_no", para.out_refund_no);
reqHandler.SetParameter("total_fee", Convert.ToInt32((para.total_fee * 100)).ToString());
reqHandler.SetParameter("refund_fee", Convert.ToInt32((para.refund_fee * 100)).ToString());
reqHandler.SetParameter("op_user_id", payConfig.MCHID);
reqHandler.SetParameter("appid", payConfig.AppId);
reqHandler.SetParameter("mch_id", payConfig.MCHID);
reqHandler.SetParameter("nonce_str", nonceStr);
//从哪个帐号退款（余额、未结算帐号）
reqHandler.SetParameter("refund_account", REFUND_SOURCE_RECHARGE_FUNDS); //REFUND_SOURCE_RECHARGE_FUNDS---可用余额退款/基本账户
string sign = reqHandler.CreateMd5Sign("key", payConfig.Key); //按约定规则生成MD5，规则参考接口文档
reqHandler.SetParameter("sign", sign);
var pkcs12 = WorkDirectory + "\\" + payConfig.pkcs12;
if (!System.IO.File.Exists(pkcs12))
{
throw new PluginException("未找到商户证书文件");
}
string strXml = reqHandler.ParseXML();
string result = string.Empty;
try
{
result = TenPayV3.Refund(strXml, pkcs12, payConfig.MCHID);//调用统一接口
}
catch (Exception ex)
{
throw new PluginException("原路返回退款时出错：" + ex.Message);
}
XDocument xmlDocument = XDocument.Parse(result);
if (xmlDocument == null)
{
throw new PluginException("原路返回退款时出错：" + strXml);
}
XElement e_return = xmlDocument.Element("xml").Element("return_code");
XElement e_result = xmlDocument.Element("xml").Element("return_msg");
if (e_return == null)
{
throw new PluginException("原路返回退款时,返回参数异常");
}
//处理返回时先判断协议错误码，再业务，最后交易状态
if (e_return.Value == "SUCCESS")
{
e_result = xmlDocument.Element("xml").Element("result_code");
XElement e_errdes = xmlDocument.Element("xml").Element("err_code_des");
if (e_result.Value == "SUCCESS")
{
//微信退款单号
string refund_id = xmlDocument.Element("xml").Element("refund_id").Value;
//商户退款单号
string out_refund_no = xmlDocument.Element("xml").Element("out_refund_no").Value;
//业务处理
paymentInfo.RefundResult = RefundState.Success;
paymentInfo.OrderId = long.Parse(out_refund_no);
paymentInfo.RefundNo = refund_id;
paymentInfo.RefundTime = DateTime.Now;
}
else
{
throw new PluginException("原路返回退款时,接口返回异常:" + e_errdes.Value);
}
}
else
{
throw new PluginException("原路返回退款时,接口返回异常:" + e_result.Value);
}
return(paymentInfo);
}