public override Task <string> GetPayResultResponse(PayResult notify)
{
// 订单正确和错误的返回给微信的结果数据
string errStr = @"
<xml>
<return_code><![CDATA[FAIL]]></return_code>
<return_msg><![CDATA[支付失败]]></return_msg>
</xml>";
string rightStr = @"
<xml>
<return_code><![CDATA[SUCCESS]]></return_code>
<return_msg><![CDATA[支付成功]]></return_msg>
</xml>";
return(notify.Success ? Task.FromResult(rightStr) : Task.FromResult(errStr));
}
public override async Task <PayResult> PayResultNotify(
IEnumerable <KeyValuePair <string, string> > query,
IDictionary <string, string> header,
IDictionary <string, string> form,
Stream body)
{
var notifyResult = new PayResult()
{
Success = false
};
string xml = await body.ReadToStringAsync();
if (xml.IsNullOrWhiteSpace())
{
notifyResult.Message = "微信支付回调,xml请求数据为空!";
Logger.LogError(notifyResult.Message);
return(notifyResult);
}
ResponseHandler resHandler;
OrderQueryResult result;
try
{
// 获取微信回调数据
// ResponseHandler读取body时没有seek,先seek下
HttpContextAccessor.HttpContext.Request.Body.Seek(0, SeekOrigin.Begin);
resHandler = new ResponseHandler(HttpContextAccessor.HttpContext);
Logger.LogInformation($"微信支付回调:" + xml);
// 转换为对象
result = new OrderQueryResult(xml);
}
catch (XmlException)
{
// xml格式异常直接不管
notifyResult.Message = "微信支付回调,xml数据异常!";
//logger.LogError(notifyResult.Message);
return(notifyResult);
}
catch (Exception ex)
{
notifyResult.Message = "微信支付回调,数据解析错误!";
Logger.LogError(ex, notifyResult.Message);
return(notifyResult);
}
var secret = MchOptions.Value.Get(result.mch_id)?.MchKey;
if (secret.IsNullOrWhiteSpace())
{
notifyResult.Message = $"微信支付回调,未找到商户密钥,mchId:{result.mch_id},result:{xml}";
return(notifyResult);
}
// 设置appkey,用于验证参数签名
resHandler.SetKey(secret);
// 参数签名验证
if (!resHandler.IsTenpaySign())
{
notifyResult.Message = $"微信支付回调:签名错误,result:{xml}";
Logger.LogError(notifyResult.Message);
return(notifyResult);
}
// 支付回调结果是否正确
if (!result.IsReturnCodeSuccess() || !result.IsResultCodeSuccess())
{
notifyResult.Message = $"微信支付回调,支付失败:return error,result:{xml}";
Logger.LogError(notifyResult.Message);
return(notifyResult);
}
notifyResult.Success = true;
notifyResult.RealPayAmount = notifyResult.Amount = result.total_fee.ConvertTo <int>();
notifyResult.LocalTradeNo = result.out_trade_no;
notifyResult.TransactionId = result.transaction_id;
notifyResult.Attach = result.attach;
notifyResult.TraderId = result.openid;
notifyResult.PayData = xml;
notifyResult.MchId = result.mch_id;
notifyResult.AppId = result.appid;
return(await Task.FromResult(notifyResult));
}
public abstract Task <string> GetPayResultResponse(PayResult notify);
public PaySuccessInnerNotifyEvent(PayResult notify)
{
Notify = notify;
}