public async Task <IActionResult> ReceivePayResult()
{
if (!Request.Headers.TryGetValue("Wechatpay-Nonce", out var nonce) ||
!Request.Headers.TryGetValue("Wechatpay-Signature", out var signature) ||
!Request.Headers.TryGetValue("Wechatpay-Timestamp", out var timestamp) ||
!Request.Headers.TryGetValue("Wechatpay-Serial", out var serial))
{
return(Content("非合法的微信通知请求!"));
}
string strContent;
using (var reader = new StreamReader(Request.Body))
{
strContent = await reader.ReadToEndAsync();
}
var res = await WechatPayHelper.Verify(WechatPayHelper.pay_config, signature.ToString(), serial.ToString(),
nonce.ToString(), timestamp.ToString().ToInt64(), strContent);
// 签名正确
if (res.IsSuccess())
{
var encryptResult = JsonSerializer.Deserialize <NotifyPayEncryptResult>(strContent);
// 获取真实的结果
var result = encryptResult?.resource.DecrytToPayResult(WechatPayHelper.pay_config.api_v3_key);
// do something big
}
return(new JsonResult(new { code = "SUCCESS" }));
}
/// <summary>
/// 根据订单号（微信订单号、商户订单号二选一，优先微信订单号）查询订单信息
/// 文档地址：https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_2
/// </summary>
/// <param name="orderNumber">订单号码，支持微信订单号与商户订单号，优先微信订单号</param>
/// <param name="nonceStr">随机字符串，默认null，自动生成</param>
/// <param name="orderNoType">订单号类型，默认微信订单号</param>
/// <param name="signType">签名类型（默认MD5）</param>
public async Task <QueryOrderResponse> QueryOrder(string orderNumber, string nonceStr = null, OrderNumberType orderNoType = OrderNumberType.WechatOrderNumber, SignType signType = SignType.MD5)
{
var queryOrderReq = new QueryOrderRequest()
{
NonceStr = nonceStr ?? RandomHelper.GenerateNonceStr(),
SignType = signType
};
if (orderNoType == OrderNumberType.MerchantOrderNumber)
{
queryOrderReq.OutTradeNo = orderNumber;
}
else
{
queryOrderReq.TransactionId = orderNumber;
}
return(await WechatPayHelper.QueryOrder(PAY_BASE_INFO, queryOrderReq));
}
/// <summary>
/// 转化为微信通知的实体（包含验证签名
/// </summary>
/// <param name="receiver"></param>
/// <returns></returns>
public static async Task <WechatNotifyEncryptResult> ToNotifyEncryptResult(this WechatNotifyReceiver receiver)
{
var config = WechatPayHelper.pay_config;
if (!receiver.header_dics.TryGetValue("Wechatpay-Nonce", out var nonce) ||
!receiver.header_dics.TryGetValue("Wechatpay-Signature", out var signature) ||
!receiver.header_dics.TryGetValue("Wechatpay-Timestamp", out var timestamp) ||
!receiver.header_dics.TryGetValue("Wechatpay-Serial", out var serial))
{
return(new WechatNotifyEncryptResult().WithResp(RespCodes.ParaError, "微信支付通知头部参数异常!"));
}
var checkRes = await WechatPayHelper.Verify(config, signature, serial, nonce, timestamp.ToInt64(), receiver.body);
// 签名正确
if (checkRes.IsSuccess())
{
var wRes = JsonSerializer.Deserialize <WechatNotifyEncryptResult>(receiver.body);
return(wRes ?? new WechatNotifyEncryptResult().WithResp(RespCodes.OperateFailed, "微信支付通知内容异常!"));
}
return(new WechatNotifyEncryptResult().WithResp(checkRes));
}
