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);
}
protected void Page_Load(object sender, EventArgs e)
{
string sp_billno = Request["order_no"];
//当前时间 yyyyMMdd
string date = DateTime.Now.ToString("yyyyMMdd");
//订单号，此处用时间和随机数生成，商户根据自己调整，保证唯一
string out_trade_no = "" + DateTime.Now.ToString("HHmmss") + TenpayUtil.BuildRandomStr(4);
if (null == sp_billno)
{
//生成订单10位序列号，此处用时间和随机数生成，商户根据自己调整，保证唯一
sp_billno = DateTime.Now.ToString("HHmmss") + TenpayUtil.BuildRandomStr(4);
}
else
{
sp_billno = Request["order_no"].ToString();
}
sp_billno = TenpayUtil.partner + sp_billno;
//创建RequestHandler实例
RequestHandler packageReqHandler = new RequestHandler(Context);
//初始化
packageReqHandler.init();
packageReqHandler.setKey(TenpayUtil.key);
//设置package订单参数
packageReqHandler.setParameter("partner", TenpayUtil.partner); //商户号
packageReqHandler.setParameter("bank_type", "WX"); //银行类型
packageReqHandler.setParameter("fee_type", "1"); //币种，1人民币
packageReqHandler.setParameter("input_charset", "GBK");
packageReqHandler.setParameter("out_trade_no", sp_billno); //商家订单号
packageReqHandler.setParameter("total_fee", "1"); //商品金额,以分为单位(money * 100).ToString()
packageReqHandler.setParameter("notify_url", TenpayUtil.tenpay_notify); //接收财付通通知的URL
packageReqHandler.setParameter("body", "nativecall"); //商品描述
packageReqHandler.setParameter("spbill_create_ip", Page.Request.UserHostAddress); //用户的公网ip，不是商户服务器IP
//获取package包
string packageValue = packageReqHandler.getRequestURL();
//调起微信支付签名
string timeStamp = TenpayUtil.getTimestamp();
string nonceStr = TenpayUtil.getNoncestr();
//设置支付参数
RequestHandler payHandler = new RequestHandler(Context);
payHandler.setParameter("appid", TenpayUtil.appid);
payHandler.setParameter("noncestr", nonceStr);
payHandler.setParameter("timestamp", timeStamp);
payHandler.setParameter("package", packageValue);
payHandler.setParameter("RetCode","0");
payHandler.setParameter("RetErrMsg","成功");
string paySign = payHandler.createSHA1Sign();
payHandler.setParameter("app_signature", paySign);
payHandler.setParameter("sign_method","SHA1");
Response.ContentType = "text/xml";
Response.Clear();
Response.Write(payHandler.parseXML());
}
