/// <summary>
/// 扫码支付
/// </summary>
/// <param name="dto"></param>
/// <returns></returns>
public OrderPayResult OrderPay(OrderPayDTO dto)
{
WeixinDataHelper data = new WeixinDataHelper(this._weixinKey);
data.SetValue("auth_code", dto.AuthCode); //授权码
data.SetValue("body", dto.Body); //商品描述
data.SetValue("total_fee", int.Parse(((Convert.ToDouble(dto.TotalAmount)) * 100).ToString())); //总金额
data.SetValue("out_trade_no", dto.OutTradeNo); //产生随机的商户订单号
data.SetValue("spbill_create_ip", dto.TerminalId); //终端ip
WeixinDataHelper response = weixinPayApi.Micropay(data, 10); //提交被扫支付，接收返回结果
var result = new OrderPayResult();
//如果提交被扫支付接口调用失败，则抛异常
if (!response.IsSet("return_code") || response.GetValue("return_code").ToString() == "FAIL")
{
result.SetWeixiResult(response);
return(result);
//string returnMsg = response.IsSet("return_msg") ? response.GetValue("return_msg").ToString() : "";
//throw new F2FPayException("Micropay API interface call failure, return_msg : " + returnMsg);
}
//签名验证
response.CheckSign();
//刷卡支付直接成功
if (response.GetValue("return_code").ToString() == "SUCCESS" &&
response.GetValue("result_code").ToString() == "SUCCESS")
{
result.SetWeixiResult(response);
return(result);
}
/******************************************************************
* 剩下的都是接口调用成功，业务失败的情况
* ****************************************************************/
//1）业务结果明确失败
if (response.GetValue("err_code").ToString() != "USERPAYING" &&
response.GetValue("err_code").ToString() != "SYSTEMERROR")
{
result.SetWeixiResult(response);
return(result);
}
//2）不能确定是否失败，需查单
//用商户订单号去查单
string out_trade_no = data.GetValue("out_trade_no").ToString();
//确认支付是否成功,每隔一段时间查询一次订单，共查询10次
int queryTimes = 10;//查询次数计数器
while (queryTimes-- > 0)
{
int succResult = 0;//查询结果
WeixinDataHelper queryResult = Query(out_trade_no, out succResult);
//如果需要继续查询，则等待2s后继续
if (succResult == 2)
{
Thread.Sleep(2000);
continue;
}
//查询成功,返回订单查询接口返回的数据
else if (succResult == 1)
{
result.SetWeixiResult(queryResult);
return(result);
}
//订单交易失败，直接返回刷卡支付接口返回的结果，失败原因会在err_code中描述
else
{
result.SetWeixiResult(response);
return(result);
}
}
//确认失败，则撤销订单
if (!Cancel(out_trade_no))
{
throw new WeixinPayException("撤销订单失败！");
}
var errmsg = response.GetValue("err_code_des");
response.SetValue("err_code_des", errmsg + "(已自动完成了撤销订单)");
result.SetWeixiResult(response);
return(result);
}
/// <summary>
/// 扫码支付
/// </summary>
/// <param name="dto"></param>
/// <returns></returns>
public OrderPayResult OrderPay(OrderPayDTO dto)
{
OrderPayResult result = new OrderPayResult();
try
{
AlipayTradeBarcodeDTO barcodeDto = new AlipayTradeBarcodeDTO();
barcodeDto.out_trade_no = dto.OutTradeNo;
barcodeDto.operator_id = dto.OperatorId;
barcodeDto.auth_code = dto.AuthCode;
barcodeDto.scene = "bar_code";
barcodeDto.total_amount = dto.TotalAmount;
barcodeDto.subject = dto.Title;
barcodeDto.body = dto.Body;
barcodeDto.store_id = dto.StoreId;
barcodeDto.terminal_id = dto.TerminalId;
barcodeDto.timeout_express = "30m";//限制30分钟内完成付款
AlipayTradePayRequest payRequest = new AlipayTradePayRequest();
payRequest.BizContent = barcodeDto.BuildJson();
AlipayTradePayResponse payResponse = Execute(payRequest);
if (payResponse != null)
{
switch (payResponse.Code)
{
case ResultCode.SUCCESS:
break;
//返回支付处理中，需要进行轮询
case ResultCode.INRROCESS:
AlipayTradeQueryResponse queryResponse = LoopQuery(barcodeDto.out_trade_no, 10, 3000); //用订单号trade_no进行轮询也是可以的。
//轮询结束后还是支付处理中，需要调撤销接口
if (queryResponse != null)
{
if (queryResponse.TradeStatus == TradeStatus.WAIT_BUYER_PAY)
{
CancelAndRetry(barcodeDto.out_trade_no);
queryResponse.TradeStatus = TradeStatus.TRADE_CLOSED;
queryResponse.SubMsg = payResponse.SubMsg + "(等待时间过长，已经撤销支付订单)";
}
payResponse = toTradePayResponse(queryResponse);
}
break;
//明确返回业务失败
case ResultCode.FAIL:
break;
//返回系统异常，需要调用一次查询接口，没有返回支付成功的话调用撤销接口撤销交易
case ResultCode.ERROR:
AlipayTradeQueryResponse queryResponse2 = sendTradeQuery(barcodeDto.out_trade_no);
if (queryResponse2 != null)
{
if (queryResponse2.TradeStatus == TradeStatus.WAIT_BUYER_PAY)
{
AlipayTradeCancelResponse cancelResponse = CancelAndRetry(barcodeDto.out_trade_no);
queryResponse2.TradeStatus = TradeStatus.TRADE_CLOSED;
queryResponse2.SubMsg = queryResponse2.SubMsg + "(等待时间过长，已经撤销支付订单)";
}
payResponse = toTradePayResponse(queryResponse2);
}
break;
default:
break;
}
result.SetAlipayResult(payResponse);
return(result);
}
else
{
AlipayTradeQueryResponse queryResponse3 = sendTradeQuery(barcodeDto.out_trade_no);
if (queryResponse3 != null)
{
if (queryResponse3.TradeStatus == TradeStatus.WAIT_BUYER_PAY)
{
AlipayTradeCancelResponse cancelResponse = CancelAndRetry(barcodeDto.out_trade_no);
queryResponse3.TradeStatus = TradeStatus.TRADE_CLOSED;
queryResponse3.SubMsg = queryResponse3.SubMsg + "(等待时间过长，已经撤销支付订单)";
}
payResponse = toTradePayResponse(queryResponse3);
}
result.SetAlipayResult(payResponse);
return(result);
}
}
catch (Exception e)
{
throw new F2FPayException(e.Message, e);
}
}
