/// <summary>
 ///  单参数-取消监听
 /// </summary>
 /// <param name="messageType"></param>
 /// <param name="handler"></param>
 public static void RemoveListener(EMessageType messageType, DelCallBack handler)
 {
     if (dicMessageType.ContainsKey(messageType))
     {
         dicMessageType[messageType] -= handler;
     }
 }
 /// <summary>
 /// 单参数-添加监听
 /// </summary>
 /// <param name="messageType"></param>
 /// <param name="handler"></param>
 public static void AddListener(EMessageType messageType, DelCallBack handler)
 {
     if (!dicMessageType.ContainsKey(messageType))
     {
         dicMessageType.Add(messageType, null);
     }
     dicMessageType[messageType] += handler;
 }