//public static Hashtable HashtableInstance
 //{
 //    get
 //    {
 //        if (_msgQueue == null)
 //        {
 //            lock (_objectHashtable)
 //            {
 //                if (_msgQueue == null)
 //                {
 //                    _msgQueue = new Hashtable();
 //                }
 //            }
 //        }
 //        return _msgQueue;
 //    }
 //}
 public Result AddMessageQueue(string openID, long taskID, string ad_name)
 {
     Log.Default.Debug("AddMessageQueue:openID=" + openID + ";taskID=" + taskID);
     MessageQueueDAL dal = new MessageQueueDAL();
     MessageQueueModel model = new MessageQueueModel();
     model.PushStatus = (int)PushStatusEnum.等待;
     model.OpenID = openID;
     model.TaskID = taskID;
     model.AddTime = DateTime.Now;
     model.AdName = "wait";
     dal.InsertSQL(model);
     //if (_msgQueue.ContainsKey(openID))
     //    return false.ToResult("消息队列中已存在这条消息");
     //_msgQueue.Add(openID, taskID);
     return true.ToResult();
 }