//得到查询xml签名
private static string GetQueryOrderPostSign(WXQueryOrderPost postParams)
{
//拼接排序list
Dictionary <string, string> packageParams = new Dictionary <string, string>();
packageParams.Add("appid", postParams.appid);
packageParams.Add("mch_id", postParams.mch_id);
packageParams.Add("nonce_str", postParams.nonce_str);
packageParams.Add("out_trade_no", postParams.out_trade_no);
StringBuilder sb = new StringBuilder();
foreach (var packageParam in packageParams)
{
sb.Append(packageParam.Key);
sb.Append('=');
sb.Append(packageParam.Value);
sb.Append('&');
}
sb.Append("key=");
sb.Append(PartnerKey);//key设置路径：微信商户平台(pay.weixin.qq.com)-->账户设置-->API安全-->密钥设置
//这里又用到了从实例代码复制的MD5 可以去上面copy
String packageSign = MD5Tool.GetMD5(sb.ToString()).ToUpper();
return(packageSign);
}
public const string Order_PAYERROR = "PAYERROR"; //支付失败(其他原因，如银行返回失败)
//查询订单
public static bool QueryOrder(string outTradeNoId)
{
WXQueryOrderPost post = new WXQueryOrderPost();
post.appid = Pay_App_Id;
post.mch_id = PartnerId;
post.out_trade_no = outTradeNoId;
post.nonce_str = genNonceStr(32);//随机字符串 **1 不超过32位
post.sign = GetQueryOrderPostSign(post);
Dictionary <string, string> firstSignParams = GetQueryOrderParams(post);
string xmlParams = toXml(firstSignParams);
string callStr = HttpPost.Post(OrderQueryUrl, xmlParams);
// Log.Debug("查询订单:");
// Log.Debug(callStr);
try
{
XElement xe = XElement.Parse(callStr);
XElement tradeStatElement = xe.Element("trade_state");
if (tradeStatElement == null)
{
return(false);
}
return(tradeStatElement.Value == Order_SUCCESS);
}
catch (Exception e)
{
Log.Error(e + "查询微信支付订单失败");
throw;
}
}
private static Dictionary <string, string> GetQueryOrderParams(WXQueryOrderPost postParams)
{
Dictionary <string, string> packageParams = new Dictionary <string, string>();
packageParams.Add("appid", postParams.appid);
packageParams.Add("mch_id", postParams.mch_id);
packageParams.Add("out_trade_no", postParams.out_trade_no);
packageParams.Add("nonce_str", postParams.nonce_str);
packageParams.Add("sign", postParams.sign);
return(packageParams);
}
