/// <summary>
        /// 发送图片/语音给用户
        /// </summary>
        /// <param name="AppId"></param>
        /// <param name="OpenId"></param>
        /// <param name="fileName"></param>
        /// <param name="fileType"></param>
        /// <returns></returns>
        public ActionResult SendImageUser(string AppId, string OpenId, string fileName, string fileType)
        {
            var          Ap     = new WX_AppManager().GetByPK(AppId);
            MediaService ser    = new MediaService(Ap.AppId, Ap.AppSecret);
            JObject      jo     = ser.UploadTemp(fileName, fileType); //返回一个mediaid和url
            var          result = "";

            if (jo != null)//新增成功
            {
                CustomService CS = new CustomService(Ap.AppId, Ap.AppSecret);
                if (fileType == "image")
                {
                    result = CS.SendImage(OpenId, jo["media_id"].ToString());
                }
                else if (fileType == "voice")
                {
                    result = CS.SendVoice(OpenId, jo["media_id"].ToString());
                }
            }
            return(Json(result, JsonRequestBehavior.AllowGet));
        }