public static UnifiedWxPayModel CreateUnifiedModel(string appId, string partnerId, string key)
        {
            UnifiedWxPayModel wxPayModel = new UnifiedWxPayModel();
            //先设置基本信息
            wxPayModel.SetAppId(appId);
            wxPayModel.SetKey(key);
            wxPayModel.SetPartnerId(partnerId);

            return wxPayModel;
        }
        public static UnifiedWxPayModel CreateUnifiedModel(string appId, string partnerId, string key)
        {
            UnifiedWxPayModel wxPayModel = new UnifiedWxPayModel();

            //先设置基本信息
            wxPayModel.SetAppId(appId);
            wxPayModel.SetKey(key);
            wxPayModel.SetPartnerId(partnerId);

            return(wxPayModel);
        }