public static string Pay(string orderNumber, int totalFee, string openid) { //读取配置文件 var merchantId = string.Empty; var appId = string.Empty; var key = string.Empty; var appSecret = string.Empty; //接收微信支付异步通知回调地址 var notifyUrl = string.Empty; var payUrl = string.Empty; var xd = new XmlDocument(); xd.Load(HttpContext.Current.Server.MapPath("/app_data/xml/payment.xml")); var selectSingleNode = xd.SelectSingleNode("paymentMethod"); if (selectSingleNode != null) { var xnl = selectSingleNode.ChildNodes; foreach (XmlNode xn in xnl) { var xe = (XmlElement)xn; if (xe.GetAttribute("id") != "wechat") { continue; } merchantId = xe.GetAttribute("merchant_id"); appId = xe.GetAttribute("app_id"); appSecret = xe.GetAttribute("app_secret"); key = xe.GetAttribute("key"); notifyUrl = xe.GetAttribute("notify_url"); payUrl = xe.GetAttribute("pay_url") + orderNumber.ToString(); break; } } var timestamp = Senparc.Weixin.MP.TenPayLib.TenPayUtil.GetTimestamp(); var nonceStr = Senparc.Weixin.MP.TenPayLib.TenPayUtil.GetNoncestr(); JsApiTicketContainer.Register(appId, appSecret); var jsapiTicket = JsApiTicketContainer.GetJsApiTicket(appId); var signConfig = new Senparc.Weixin.MP.TenPayLib.RequestHandler(null); signConfig.SetParameter("jsapi_ticket", jsapiTicket); signConfig.SetParameter("noncestr", nonceStr); signConfig.SetParameter("timestamp", timestamp); signConfig.SetParameter("url", payUrl); var signature = signConfig.CreateSHA1Sign(); //支付 //商品或支付单简要描述 var body = "Billion智能仪表管理系统"; //商户系统内部的订单号,32个字符内,可包含字母,其他说明见商户订单号 //APP和网页支付提交用户端IP,Native支付填调用微信支付API的机器IP var spbillCreateIp = HttpContext.Current.Request.ServerVariables.Get("Remote_Addr"); //JSAPI,NATIVE,APP,WAP var trade_type = "JSAPI"; //创建支付应答对象 var panSigig = new RequestHandler(null); //初始化 panSigig.Init(); //设置package订单参数 panSigig.SetParameter("appid", appId); panSigig.SetParameter("mch_id", merchantId); panSigig.SetParameter("nonce_str", nonceStr); panSigig.SetParameter("body", body); panSigig.SetParameter("out_trade_no", orderNumber); panSigig.SetParameter("total_fee", totalFee.ToString()); panSigig.SetParameter("spbill_create_ip", spbillCreateIp); panSigig.SetParameter("notify_url", notifyUrl); panSigig.SetParameter("trade_type", trade_type); panSigig.SetParameter("openid", openid); var sign = panSigig.CreateMd5Sign("key", key); panSigig.SetParameter("sign", sign); var data = panSigig.ParseXML(); var result = TenPayV3.Unifiedorder(data); var res = System.Xml.Linq.XDocument.Parse(result); var xElement = res.Element("xml"); if (xElement == null) { return(""); } var element = xElement.Element("prepay_id"); if (element == null) { return(""); } var prepayId = element.Value; var paysignReqHandler = new RequestHandler(null); paysignReqHandler.Init(); //设置支付参数 paysignReqHandler.SetParameter("appId", appId); paysignReqHandler.SetParameter("timeStamp", timestamp); paysignReqHandler.SetParameter("nonceStr", nonceStr); paysignReqHandler.SetParameter("package", string.Format("prepay_id={0}", prepayId)); paysignReqHandler.SetParameter("signType", "MD5"); var paysign = paysignReqHandler.CreateMd5Sign("key", key); paysignReqHandler.SetParameter("paysign", paysign); NVelocityHelper nh = new NVelocityHelper(); nh.Put("app_id", appId); nh.Put("timestamp", timestamp); nh.Put("nonceStr", nonceStr); nh.Put("signature", signature); nh.Put("package", string.Format("prepay_id={0}", prepayId)); nh.Put("signType", "MD5"); nh.Put("paySign", paysign); nh.Put("orderid", orderNumber); return(nh.Write("app_data/template/wechat")); }