public static async Task <QueryOrderResponse> QueryOrder(WechatPayBaseInfo payBaseInfo, QueryOrderRequest req)
{
var payData = new WechatPayData();
payData.SetStringValue("appid", payBaseInfo.AppId);
payData.SetStringValue("mch_id", payBaseInfo.MchId);
if (!string.IsNullOrEmpty(req.TransactionId))
{
payData.SetStringValue("transaction_id", req.TransactionId);
}
else
{
payData.SetStringValue("out_trade_no", req.OutTradeNo);
}
payData.SetStringValue("nonce_str", req.NonceStr);
payData.SetStringValue("sign_type", req.SignType == Enums.SignType.MD5 ? "MD5" : "HMAC-SHA256");
var sign = SignatureHelper.CalcSignature(payData.ToUrlParams(), payBaseInfo.Key, req.SignType);
payData.SetStringValue("sign", sign);
var orderQueryRes = await HttpClientHelper.Post <QueryOrderResponse>("https://api.mch.weixin.qq.com/pay/orderquery", payData.ToXml());
return(orderQueryRes);
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="appId">公众账号ID</param>
/// <param name="appSecret">APPID唯一凭证密钥</param>
/// <param name="mchId">商户号</param>
/// <param name="key">商户支付密钥Key，在商户平台（https://pay.weixin.qq.com）可以拿到</param>
/// <param name="notifyUrl">通知URL地址，不能带参数</param>
public WechatPayClient(string appId, string appSecret, string mchId, string key, string notifyUrl)
{
this.PAY_BASE_INFO = new WechatPayBaseInfo(appId, appSecret, mchId, key, notifyUrl);
}
