netty服务端监听客户端连接的变化

 package com.ahies.stm.app.gatenetty;

    
  
    
 import com.ahies.stm.app.centerControl.object.protocol.ControlProtocol;
    
 import com.ahies.stm.app.centerControl.object.service.ControlObjectService;
    
 import com.ahies.stm.app.synthesizes.appoint.service.AppointMemberService;
    
 import com.ahies.stm.app.ticketsys.gatenetty.GatelProtocol;
    
 import com.ahies.stm.app.util.HexUtil;
    
 import com.ahies.stm.app.util.SpringContextUtil;
    
 import io.netty.channel.Channel;
    
 imp