public String dataProcess(ISocketMsg msg)
        {
            switch (msg.msgType)
            {
            case (int)Basic.dataType.教师端登录:
                _evtHandler.loginHandler();
                break;

            case (int)Basic.dataType.试卷班级列表:
                _evtHandler.classsHandler(msg.msgBody);
                break;

            case (int)Basic.dataType.教师端分数信息:
                _evtHandler.scoreHandler(msg.msgBody);
                break;

            case (int)Basic.dataType.统计信息:
                _evtHandler.statHandler(msg.msgBody);
                break;
            }
            return(_evtHandler.sendBack);
        }
        public String dataProcess(ISocketMsg msg)
        {
            if (msg.msgType != (int)Basic.dataType.登录口令) //传来登陆信息时无需验证
            {
                String dt = verify(msg.specifID);
                Basic.trace(msg.specifID + " 连接状态: " + dt);
                //客户端收取心跳检测返回信息的部分没有写成解码Base64,如果传来的是心跳包,则返回不编码为Base64
                if (msg.msgType == (int)Basic.dataType.心跳检测信息)
                {
                    return(dt);
                }
                if (dt != Basic.StatusMessage.MSG_VERIFY_SUCCESS)
                {
                    return(Basic.convertToBase64(dt));
                }
            }
            switch (msg.msgType)
            {
            //登陆信息
            case (int)Basic.dataType.登录口令:
                var info = _evtHandler.loginHandler(msg.msgBody) as ClientInfo;
                LoginClientMgr_Socket.instance.Login(info.number, info.sid);
                break;

            //试卷请求
            case (int)Basic.dataType.试题列表:
                var tmp = _evtHandler.getQuestion(msg.msgBody);
                LoginClientMgr_Socket.instance.testStart(msg.specifID, tmp.Key, tmp.Value);
                break;

            //批改答案
            case (int)Basic.dataType.答案:
                var test = LoginClientMgr_Socket.instance.testStatus(msg.specifID);
                if (test.Key == String.Empty)
                {
                    return(Basic.convertToBase64("考试信息丢失!"));
                }
                if (test.Value)
                {
                    _evtHandler.Score0(test.Key, msg.client);
                }
                else
                {
                    _evtHandler.getScore(msg.msgBody, test.Key, msg.client);
                }
                break;

            //放弃考试
            case (int)Basic.dataType.放弃作答:
                _evtHandler.giveup();
                LoginClientMgr_Socket.instance.testOver(msg.specifID);
                break;

            //登出
            case (int)Basic.dataType.登出:
                _evtHandler.logout();
                LoginClientMgr_Socket.instance.Logout(msg.specifID);
                break;
            }
            return(_evtHandler.sendBack);
        }