/** 是否财付通签名,规则是:按参数名称a-z排序,遇到空值的参数不参加签名。
* @return boolean */
public virtual Boolean _isTenpaySign(ArrayList akeys)
{
StringBuilder sb = new StringBuilder();
foreach (string k in akeys)
{
string v = (string)parameters[k];
if (null != v && "".CompareTo(v) != 0 &&
"sign".CompareTo(k) != 0 && "key".CompareTo(k) != 0)
{
sb.Append(k + "=" + v + "&");
}
}
sb.Append("key=" + this.getKey());
string sign = MD5Util.GetMD5(sb.ToString(), getCharset()).ToLower();
//debug信息
this.setDebugInfo(sb.ToString() + " => sign:" + sign);
return(getParameter("sign").ToLower().Equals(sign));
}
/// <summary>
/// 申请退款
/// </summary>
/// <param name="partnerId">商户号</param>
/// <param name="partnerKey">财付通密钥</param>
/// <param name="orderNo">商户订单号</param>
/// <param name="transanctionId">微信订单号</param>
/// <param name="totalFee">总金额（单位：分）</param>
/// <param name="refundNo">退款单号</param>
/// <param name="refundFee">退款金额（单位：分）</param>
/// <param name="Context">MVC页面请求上下文对象</param>
/// <returns></returns>
public static bool Refund(string partnerId, string partnerKey, string orderNo,
string transanctionId, string totalFee, string refundNo, string refundFee,
string certPath, string certPwd)
{
//商户号
string partner = partnerId;
//创建请求对象
RequestHandler reqHandler = new RequestHandler();
//通信对象
TenpayHttpClient httpClient = new TenpayHttpClient();
//应答对象
ClientResponseHandler resHandler = new ClientResponseHandler();
//-----------------------------
//设置请求参数
//-----------------------------
reqHandler.init();
reqHandler.setKey(partnerKey); //财付通密钥
reqHandler.setGateUrl("https://mch.tenpay.com/refundapi/gateway/refund.xml");
reqHandler.setParameter("partner", partner);
//out_trade_no和transaction_id至少一个必填，同时存在时transaction_id优先
//
if (string.IsNullOrEmpty(transanctionId))
{
if (string.IsNullOrEmpty(orderNo))
{
throw new Exception("订单号不能为空！");
}
reqHandler.setParameter("out_trade_no", orderNo);
}
else
{
reqHandler.setParameter("transaction_id", transanctionId);
}
reqHandler.setParameter("out_refund_no", refundNo); //退款单号
reqHandler.setParameter("total_fee", totalFee); //总金额
reqHandler.setParameter("refund_fee", refundFee); //退款金额
reqHandler.setParameter("op_user_id", partnerId); //todo:配置（op_user_id,op_user_passwd)
reqHandler.setParameter("op_user_passwd", MD5Util.GetMD5("111111", "GBK"));
reqHandler.setParameter("service_version", "1.1");
string requestUrl = reqHandler.getRequestURL();
httpClient.setCertInfo(certPath, certPwd);
//设置请求内容
httpClient.setReqContent(requestUrl);
//设置超时
httpClient.setTimeOut(10);
string rescontent = "";
//后台调用
if (httpClient.call())
{
//获取结果
rescontent = httpClient.getResContent();
resHandler.setKey(partnerKey);
//设置结果参数
resHandler.setContent(rescontent);
//判断签名及结果
if (resHandler.isTenpaySign() && resHandler.getParameter("retcode") == "0")
{
////商户订单号
//string out_trade_no = resHandler.getParameter("out_trade_no");
////财付通订单号
//string transaction_id = resHandler.getParameter("transaction_id");
////业务处理
// Response.Write("OK,transaction_id=" + resHandler.getParameter("transaction_id") + "<br>");
return(true);
}
else
{
return(false);
//错误时，返回结果未签名。
//如包格式错误或未确认结果的，请使用原来订单号重新发起，确认结果，避免多次操作
// Response.Write("业务错误信息或签名错误:" + resHandler.getParameter("retcode") + "," + resHandler.getParameter("retmsg") + "<br>");
}
}
else
{
return(false);
//后台调用通信失败
// Response.Write("call err:" + httpClient.getErrInfo() + "<br>" + httpClient.getResponseCode() + "<br>");
//有可能因为网络原因，请求已经处理，但未收到应答。
}
//获取debug信息,建议把请求、应答内容、debug信息，通信返回码写入日志，方便定位问题
// Response.Write("http res:" + httpClient.getResponseCode() + "," + httpClient.getErrInfo() + "<br>");
// Response.Write("req url:" + requestUrl + "<br/>");
// Response.Write("req debug:" + reqHandler.getDebugInfo() + "<br/>");
// Response.Write("res content:" + Server.HtmlEncode(rescontent) + "<br/>");
// Response.Write("res debug:" + Server.HtmlEncode(resHandler.getDebugInfo()) + "<br/>");
}