@Override
	public String toString() {
		// TODO Auto-generated method stub
		String toStr="";
		
		if(msgtype==Msg.room) toStr+="type:room,";
		else if(msgtype==Msg.user) toStr+="type:user,";
		else toStr+="type:none,";
		
		toStr+="roomid:"+roomid+",room:"+room+",user:"+sendUserName+",msg:"+msg+",remark:"+remark;
		return toStr;
	}