/// <summary>
/// 查询订单情况
/// </summary>
/// <param name="out_trade_no">商户订单号</param>
/// <param name="succCode">查询订单结果：0表示订单不成功，1表示订单成功，2表示继续查询</param>
/// <returns></returns>
public static WxPayData Query(WxPayData queryOrderInput, string key, out int succCode)
{
WxPayData queryOrder = new WxPayData();
queryOrder.SetValue("out_trade_no", queryOrderInput.GetValue("out_trade_no"));
queryOrder.SetValue("appid", queryOrderInput.GetValue("appid"));
queryOrder.SetValue("mch_id", queryOrderInput.GetValue("mch_id"));
queryOrder.SetValue("nonce_str", GenerateNonceStr());
queryOrder.SetValue("sign", queryOrder.MakeSign(key));
WxPayData result = WxPayApi.OrderQuery(queryOrder);
if (result.GetValue("return_code").ToString() == "SUCCESS" &&
result.GetValue("result_code").ToString() == "SUCCESS")
{
//支付成功
if (result.GetValue("trade_state").ToString() == "SUCCESS")
{
succCode = 1;
return(result);
}
//用户支付中，需要继续查询
else if (result.GetValue("trade_state").ToString() == "USERPAYING")
{
succCode = 2;
return(result);
}
}
//如果返回错误码为“此交易订单号不存在”则直接认定失败
if (result.GetValue("err_code").ToString() == "ORDERNOTEXIST")
{
succCode = 0;
}
else
{
//如果是系统错误，则后续继续
succCode = 2;
}
return(result);
}