/**  * 生成直接支付url，支付url有效期為2小時(shí),模式二  * @param productId 商品ID  * @return 模式二URL  */  public string GetPayUrl(string productId, string body, string attach, int total_fee, string goods_tag)  {   Log.Info(this.GetType().ToString(), "Native pay mode 2 url is producing...");   WxPayData data = new WxPayData();   data.SetValue("body", body);//商品描述   data.SetValue("attach", attach);//附加數(shù)據(jù)   data.SetValue("out_trade_no", productId);//隨機(jī)字符串   data.SetValue("total_fee", total_fee);//總金額   data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));//交易起始時(shí)間   data.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss"));//交易結(jié)束時(shí)間   data.SetValue("goods_tag", goods_tag);//商品標(biāo)記   data.SetValue("trade_type", "NATIVE");//交易類型   data.SetValue("product_id", productId);//商品ID   WxPayData result = WxPayApi.UnifiedOrder(data);//調(diào)用統(tǒng)一下單接口   string url = result.GetValue("code_url").ToString();//獲得統(tǒng)一下單接口返回的二維碼鏈接   Log.Info(this.GetType().ToString(), "Get native pay mode 2 url : " + url);   return url;  }

public class Config {  //=======【基本信息設(shè)置】=====================================  /* 微信公眾號(hào)信息配置  * APPID：綁定支付的APPID（必須配置）  * MCHID：商戶號(hào)（必須配置）  * KEY：商戶支付密鑰，參考開戶郵件設(shè)置（必須配置）  * APPSECRET：公眾帳號(hào)secert（僅JSAPI支付的時(shí)候需要配置）  */  public const string APPID = "你的微信公眾號(hào)APPID";  public const string MCHID = "你的微信公眾號(hào)的商戶號(hào)";  public const string KEY = "你的微信公眾號(hào)的商戶支付密鑰";  public const string APPSECRET = "你的微信公眾號(hào)的APPSECRET";  //=======【證書路徑設(shè)置】=====================================   /* 證書路徑,注意應(yīng)該填寫絕對(duì)路徑（僅退款、撤銷訂單時(shí)需要）  */  public const string SSLCERT_PATH = "cert/apiclient_cert.p12";  public const string SSLCERT_PASSWORD = "1233410002";  //=======【支付結(jié)果通知url】=====================================   /* 支付結(jié)果通知回調(diào)url，用于商戶接收支付結(jié)果  */  public const string NOTIFY_URL = "http://你的網(wǎng)站/Pay/ResultNotifyPage.aspx";  //=======【商戶系統(tǒng)后臺(tái)機(jī)器IP】=====================================   /* 此參數(shù)可手動(dòng)配置也可在程序中自動(dòng)獲取  */  public const string IP = "你的服務(wù)器IP";  //=======【代理服務(wù)器設(shè)置】===================================  /* 默認(rèn)IP和端口號(hào)分別為0.0.0.0和0，此時(shí)不開啟代理（如有需要才設(shè)置）  */  public const string PROXY_URL = "";  //=======【上報(bào)信息配置】===================================  /* 測(cè)速上報(bào)等級(jí)，0.關(guān)閉上報(bào); 1.僅錯(cuò)誤時(shí)上報(bào); 2.全量上報(bào)  */  public const int REPORT_LEVENL = 1;  //=======【日志級(jí)別】===================================  /* 日志等級(jí)，0.不輸出日志；1.只輸出錯(cuò)誤信息; 2.輸出錯(cuò)誤和正常信息; 3.輸出錯(cuò)誤信息、正常信息和調(diào)試信息  */  public const int LOG_LEVENL = 0; }

//設(shè)置代理服務(wù)器    //WebProxy proxy = new WebProxy();       //定義一個(gè)網(wǎng)關(guān)對(duì)象    //proxy.Address = new Uri(Config.PROXY_URL);    //網(wǎng)關(guān)服務(wù)器端口:端口    //request.Proxy = proxy;

/**  *   * 統(tǒng)一下單  * @param WxPaydata inputObj 提交給統(tǒng)一下單API的參數(shù)  * @param int timeOut 超時(shí)時(shí)間  * @throws WxPayException  * @return 成功時(shí)返回，其他拋異常  */  public static WxPayData UnifiedOrder(WxPayData inputObj, int timeOut = 6)  {   string url = "https://api.mch.weixin.qq.com/pay/unifiedorder";   //檢測(cè)必填參數(shù)   if (!inputObj.IsSet("out_trade_no"))   {    throw new WxPayException("缺少統(tǒng)一支付接口必填參數(shù)out_trade_no！");   }   else if (!inputObj.IsSet("body"))   {    throw new WxPayException("缺少統(tǒng)一支付接口必填參數(shù)body！");   }   else if (!inputObj.IsSet("total_fee"))   {    throw new WxPayException("缺少統(tǒng)一支付接口必填參數(shù)total_fee！");   }   else if (!inputObj.IsSet("trade_type"))   {    throw new WxPayException("缺少統(tǒng)一支付接口必填參數(shù)trade_type！");   }   //關(guān)聯(lián)參數(shù)   if (inputObj.GetValue("trade_type").ToString() == "JSAPI" && !inputObj.IsSet("openid"))   {    throw new WxPayException("統(tǒng)一支付接口中，缺少必填參數(shù)openid！trade_type為JSAPI時(shí)，openid為必填參數(shù)！");   }   if (inputObj.GetValue("trade_type").ToString() == "NATIVE" && !inputObj.IsSet("product_id"))   {    throw new WxPayException("統(tǒng)一支付接口中，缺少必填參數(shù)product_id！trade_type為JSAPI時(shí)，product_id為必填參數(shù)！");   }   //異步通知url未設(shè)置，則使用配置文件中的url   if (!inputObj.IsSet("notify_url"))   {    inputObj.SetValue("notify_url", Config.NOTIFY_URL);//異步通知url   }   inputObj.SetValue("appid", Config.APPID);//公眾賬號(hào)ID   inputObj.SetValue("mch_id", Config.MCHID);//商戶號(hào)   inputObj.SetValue("spbill_create_ip", Config.IP);//終端ip       inputObj.SetValue("nonce_str", GenerateNonceStr());//隨機(jī)字符串   //簽名   inputObj.SetValue("sign", inputObj.MakeSign());   string xml = inputObj.ToXml();   var start = DateTime.Now;   Log.Debug("WxPayApi", "UnfiedOrder request : " + xml);   string response = HttpService.Post(xml, url, false, timeOut);   Log.Debug("WxPayApi", "UnfiedOrder response : " + response);   var end = DateTime.Now;   int timeCost = (int)((end - start).TotalMilliseconds);   WxPayData result = new WxPayData();   result.FromXml(response);   ReportCostTime(url, timeCost, result);//測(cè)速上報(bào)   return result;  }

public partial class Pay_MakeQRCode : System.Web.UI.Page{ protected void Page_Load(object sender, EventArgs e) {  if (!string.IsNullOrEmpty(base.Request.QueryString["data"]))  {   string str = base.Request.QueryString["data"];   Bitmap image = new QRCodeEncoder   {    QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE,    QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M,    QRCodeVersion = 0,    QRCodeScale = 4   }.Encode(str, Encoding.Default);   MemoryStream ms = new MemoryStream();   image.Save(ms, ImageFormat.Png);   base.Response.BinaryWrite(ms.GetBuffer());   base.Response.End();  } }}

protected void Page_Load(object sender, EventArgs e) {  ResultNotify resultNotify = new ResultNotify(this);  WxPayData res = resultNotify.ProcessNotify2();  if (res.GetValue("return_code") == "SUCCESS")  {   //查詢微信訂單信息   string paySignKey = ConfigurationManager.AppSettings["paySignKey"].ToString();   string mch_id = ConfigurationManager.AppSettings["mch_id"].ToString();   string appId = ConfigurationManager.AppSettings["AppId"].ToString();   QueryOrder queryorder = new QueryOrder();   queryorder.appid = appId;   queryorder.mch_id = mch_id;   queryorder.transaction_id = res.GetValue("transaction_id").ToString();   queryorder.out_trade_no = "";   queryorder.nonce_str = TenpayUtil.getNoncestr();   TenpayUtil tenpay = new TenpayUtil();   OrderDetail orderdeatil = tenpay.getOrderDetail(queryorder, paySignKey);   //寫微信記錄   (new vinson()).WriteReturnWXDetail(orderdeatil);   //寫充值記錄   FilliedOnline(orderdeatil.out_trade_no);  }  Response.Write(res.ToXml());  Response.End(); }

public WxPayData ProcessNotify2()  {   WxPayData notifyData = GetNotifyData();   //檢查支付結(jié)果中transaction_id是否存在   if (!notifyData.IsSet("transaction_id"))   {    //若transaction_id不存在，則立即返回結(jié)果給微信支付后臺(tái)    WxPayData res = new WxPayData();    res.SetValue("transaction_id", "");    res.SetValue("return_code", "FAIL");    res.SetValue("return_msg", "支付結(jié)果中微信訂單號(hào)不存在");    return res;   }   string transaction_id = notifyData.GetValue("transaction_id").ToString();   //查詢訂單，判斷訂單真實(shí)性   if (!QueryOrder(transaction_id))   {    //若訂單查詢失敗，則立即返回結(jié)果給微信支付后臺(tái)    WxPayData res = new WxPayData();    res.SetValue("transaction_id", transaction_id);    res.SetValue("return_code", "FAIL");    res.SetValue("return_msg", "訂單查詢失敗");    return res;   }   //查詢訂單成功   else   {    WxPayData res = new WxPayData();    res.SetValue("transaction_id", transaction_id);    res.SetValue("return_code", "SUCCESS");    res.SetValue("return_msg", "OK");    return res;   }  }

if (res.GetValue("return_code") == "SUCCESS")

 Response.Write(res.ToXml());  Response.End();

<div class="g-body"> <div class="g-wrap">  <div class="m-weixin">   <div class="m-weixin-header">    <p><strong>請(qǐng)您及時(shí)付款，以便訂單盡快處理！訂單號(hào)：<asp:Label ID="trade_no" runat="server" Text="Label"></asp:Label></strong></p>    <p>請(qǐng)您在提交訂單后1小時(shí)內(nèi)支付，否則訂單會(huì)自動(dòng)取消。</p>   </div>   <div class="m-weixin-main">    <h1 class="m-weixin-title">     <img alt="微信支付" src="../images/wxlogo_pay.png"/>    </h1>    <p class="m-weixin-money"><font>掃一掃付款</font><br/><strong>￥<asp:Label ID="money" runat="server" Text="Label"></asp:Label></strong></p>    <p>     <img id="payQRImg" width="260" height="260" class="m-weixin-code" style="position: absolute;" src="<%=ImageUrl %>" alt="二維碼" style="border-width:0px;" />     <img class="m-weixin-demo" src="../images/wxwebpay_guide.png" alt="掃一掃" />     <img style="margin-top:300px;" src="../images/weixin_1.png" alt="請(qǐng)使用微信掃描二維碼以完成支付" />    </p>    <p id="we_ok" style="display:none;">     <input value="完成" style="width: 300px; height: 50px; background: rgb(21, 164, 21) none repeat scroll 0% 0%; color: white; font-size: 30px; border: medium none; cursor: pointer;" type="button" />    </p>   </div>  </div> </div></div>

$(function () {  var success = "<%=success %>";  if (success == "error") {   $(".g-body").hide();  } }) var iCount = setInterval(check, 2000); //每隔2秒執(zhí)行一次check函數(shù)。 function check() {  $.ajax({   contentType: "application/json",   url: "/WebService/vinson.asmx/queryWeiXin",   data: "{OrderID:'" + $("#trade_no").text() + "'}",   type: "POST",   dataType: "json",   success: function (json) {    json = eval("(" + json.d + ")");    if (json.success == "success") {     clearInterval(iCount);     $(".m-weixin-money font").html("已成功付款");     $("#payQRImg").remove();     $(".m-weixin-demo").before('<img alt="" src="../images/wx_ok.jpg" width="200">');     $(".m-weixin-demo").next().remove();     $("#we_ok").show();    }   },   error: function (err, ex) {   }  }); }