/// <summary>
/// 退款
/// </summary>
/// <param name="channel">渠道类型
/// 选填
/// 可以通过enum BCPay.RefundChannel获取
/// ALI:支付宝
/// WX:微信
/// UN:银联
/// 注意：不传channel也能退款的前提是保证所有渠道所有订单号不同，如果出现两个订单号重复，会报错提示传入channel进行区分
/// </param>
/// <param name="refundNo">商户退款单号
/// 格式为:退款日期(8位) + 流水号(3~24 位)。不可重复，且退款日期必须是当天日期。流水号可以接受数字或英文字符，建议使用数字，但不可接受“000”。
/// 必填
/// 例如：201506101035040000001
/// </param>
/// <param name="billNo">商户订单号
/// 32个字符内，数字和/或字母组合，确保在商户系统中唯一
/// DIRECT_REFUND和PRE_REFUND时必填
/// </param>
/// <param name="refundFee">退款金额
/// 只能为整数，单位为分
/// DIRECT_REFUND和PRE_REFUND时必填
/// </param>
/// <param name="optional">附加数据
/// 用户自定义的参数，将会在webhook通知中原样返回，该字段主要用于商户携带订单的自定义数据
/// 选填
/// {"key1":"value1","key2":"value2",...}
/// </param>
/// <returns>
/// BCRefundResult
/// </returns>
public static BCRefundResult BCRefundByChannel(string channel, string refundNo, string billNo, int refundFee, Dictionary <string, string> optional)
{
Random random = new Random();
string refundUrl = BCPrivateUtil.mLocalDefaultHosts[random.Next(0, 4)] + BCConstants.version + BCConstants.refundURL;
long timestamp = BCUtil.GetTimeStamp(DateTime.Now);
JsonData data = new JsonData();
data["app_id"] = BCCache.Instance.appId;
data["app_sign"] = BCPrivateUtil.getAppSignature(BCCache.Instance.appId, BCCache.Instance.appSecret, timestamp.ToString());
data["timestamp"] = timestamp;
data["channel"] = channel;
data["refund_no"] = refundNo;
data["bill_no"] = billNo;
data["refund_fee"] = refundFee;
if (optional != null && optional.Count > 0)
{
data["optional"] = new JsonData();
foreach (string key in optional.Keys)
{
data["optional"][key] = optional[key];
}
}
string paraString = data.ToJson();
try
{
HttpWebResponse response = BCPrivateUtil.CreatePostHttpResponse(refundUrl, paraString);
string respString = BCPrivateUtil.GetResponseString(response);
JsonData responseData = JsonMapper.ToObject(respString);
BCRefundResult result = new BCRefundResult();
result.resultCode = int.Parse(responseData["result_code"].ToString());
result.resultMsg = responseData["result_msg"].ToString();
if (responseData["result_code"].ToString() == "0")
{
if (channel.Contains("ALI"))
{
result.url = responseData["url"].ToString();
}
}
else
{
result.errDetail = responseData["err_detail"].ToString();
}
return(result);
}
catch (Exception e)
{
BCRefundResult result = new BCRefundResult();
result.resultCode = 99;
result.resultMsg = e.Message;
return(result);
}
}
protected void QueryGridView_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "refund")
{
int rowIndex = Convert.ToInt32(e.CommandArgument);
string billNo = bills[rowIndex].billNo;
int totalFee = bills[rowIndex].totalFee;
if (typeChannel == "Ali")
{
BCRefundResult refundResult = BCPay.BCRefundByChannel(BCPay.RefundChannel.ALI.ToString(), DateTime.Today.ToString("yyyyMMdd") + BCUtil.GetUUID().Substring(0, 8), billNo, totalFee, null);
if (refundResult.resultCode == 0)
{
Response.Redirect(refundResult.url);
}
else
{
Response.Write("<span style='color:#00CD00;font-size:20px'>" + refundResult.resultCode + "</span><br/>");
Response.Write("<span style='color:#00CD00;font-size:20px'>" + refundResult.resultMsg + "</span><br/>");
Response.Write("<span style='color:#00CD00;font-size:20px'>" + refundResult.errDetail + "</span><br/>");
}
}
if (typeChannel == "WX")
{
BCRefundResult refundResult = BCPay.BCRefundByChannel(BCPay.RefundChannel.WX.ToString(), DateTime.Today.ToString("yyyyMMdd") + BCUtil.GetUUID().Substring(0, 8), billNo, totalFee, null);
if (refundResult.resultCode == 0)
{
Response.Write("<script>alert('退款成功！')</script>");
}
else
{
Response.Write("<span style='color:#00CD00;font-size:20px'>" + refundResult.resultCode + "</span><br/>");
Response.Write("<span style='color:#00CD00;font-size:20px'>" + refundResult.resultMsg + "</span><br/>");
Response.Write("<span style='color:#00CD00;font-size:20px'>" + refundResult.errDetail + "</span><br/>");
}
}
if (typeChannel == "UN")
{
BCRefundResult refundResult = BCPay.BCRefundByChannel(BCPay.RefundChannel.UN.ToString(), DateTime.Today.ToString("yyyyMMdd") + BCUtil.GetUUID().Substring(0, 8), billNo, totalFee, null);
if (refundResult.resultCode == 0)
{
Response.Write("<script>alert('退款成功！')</script>");
}
else
{
Response.Write("<span style='color:#00CD00;font-size:20px'>" + refundResult.resultCode + "</span><br/>");
Response.Write("<span style='color:#00CD00;font-size:20px'>" + refundResult.resultMsg + "</span><br/>");
Response.Write("<span style='color:#00CD00;font-size:20px'>" + refundResult.errDetail + "</span><br/>");
}
}
}
}
