public static string unifiedorder(string appid, string mch_id, string openid, string key, string body, string notify_url,
string out_trade_no, int total_fee)
{
//string appId = this.accessToken.AppId;
//string parameterValue = this.partnerId;
var spbill_create_ip = "127.0.0.1";
string noncestr = TenpayUtil.getNoncestr();
string parameterValue2 = "JSAPI";
RequestHandler requestHandler = new RequestHandler(Encoding.UTF8);
requestHandler.setKey(key);
requestHandler.setParameter("appid", appid);
requestHandler.setParameter("body", body);
requestHandler.setParameter("mch_id", mch_id);
requestHandler.setParameter("nonce_str", noncestr);
requestHandler.setParameter("notify_url", notify_url);
requestHandler.setParameter("openid", openid);
requestHandler.setParameter("out_trade_no", out_trade_no);
requestHandler.setParameter("spbill_create_ip", spbill_create_ip);
requestHandler.setParameter("total_fee", total_fee.ToString());
requestHandler.setParameter("trade_type", parameterValue2);
string text = requestHandler.createMd5Sign();
string data = requestHandler.parseXML();
string address = "https://api.mch.weixin.qq.com/pay/unifiedorder";
string xml = new WebClient
{
Encoding = Encoding.UTF8
}.UploadString(address, "post", data);
XmlDocument xmlDocument = new XmlDocument();
xmlDocument.LoadXml(xml);
XmlElement[] source = xmlDocument.FirstChild.ChildNodes.Cast<XmlElement>().ToArray<XmlElement>();
string innerText = source.Single((XmlElement o) => o.Name == "return_code").InnerText;
if (!(innerText != "SUCCESS"))
{
return source.Single((XmlElement o) => o.Name == "prepay_id").InnerText;
}
string text2 = (
from o in source
where o.Name == "err_code"
select o.InnerText).SingleOrDefault<string>();
string text3 = (
from o in source
where o.Name == "err_code_des"
select o.InnerText).SingleOrDefault<string>();
if (text2 != null && text3 != null)
{
throw Error.WeiXinError(text2, text3);
}
string msg = (
from o in source
where o.Name == "return_msg"
select o.InnerText).SingleOrDefault<string>() ?? "ERROR";
throw Error.WeiXinError(innerText, msg);
}
