var shopsId = e.ShopsId

     //付款码的参数

     var codeModel = new function () { }

     codeModel.path = "pages/PageWxPay/PageWxPay?shopsId=" + shopsId

     codeModel.width = 430

     codeModel.auto_color = false

     codeModel.line_color = { "r": "0", "g": "0", "b": "0" }

     var data = {

       shopsID: shopsId,

       data: JSON.stringify(codeModel)

     }

     console.log(data)

     api.RequestApiURL("Weixin/MyPaymentCode", data, function (codeData) {

       console.log(codeData)

       var obj = codeData.data.data

       if (obj.Key == "0") {

         that.setData({

           payCodeUrl: app.globalData.apiurl + obj.Value

         })

         wx.hideLoading()

       }

       else {

         wx.showToast({ title: obj.Value })

       }

     })

 private static object obj = new object();

        /// <summary>

        /// 创建二维码

        /// 接口A: 适用于需要的码数量较少的业务场景 接口地址：

        /// 接口B：适用于需要的码数量极多，或仅临时使用的业务场景

        /// 接口C：适用于需要的码数量较少的业务场景

        /// </summary>

        /// <param name="data">前台传递的数据</param>

        /// <param name="path">图片存储位置</param>

        /// <param name="toKen"></param>

        /// <returns></returns>

        public static bool CreateWxaqrCode(Utils.QrCodeType nType, string data, string path, string toKen, out string ExcaptionMassage)

        {

            ExcaptionMassage = "";

            bool msg = false;

            string url = string.Empty;

            switch (nType)

            {

                case Utils.QrCodeType.A:

                    url = "https://api.weixin.qq.com/wxa/getwxacode?access_token={0}";

                    break;

                case Utils.QrCodeType.B:

                    url = "http://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token={0}";

                    break;

                case Utils.QrCodeType.C:

                    url = "https://api.weixin.qq.com/cgi-bin/wxaapp/createwxaqrcode?access_token={0}";

                    break;

            }

            url = string.Format(url, toKen);

            lock (obj)

            {

                //判断当前用户是否生成二微码

                if (!System.IO.File.Exists(path))

                {

                    try

                    {

                        //获取数据流

                        Stream str = Request.PostMoths(url, data);

                        byte[] by = Utils.StreamToBytes(str);

                        Utils.PreservationCodeImage(path, by);

                        //保存该文件

                        msg = true;

                    }

                    catch(Exception e)

                    {

                        ExcaptionMassage= e.Message;

                        msg = false;//出现异常

                    }

                }

            }

            return msg;

        }