protected string BatchRemoveTeacher()
        {
            JsonData data     = new JsonData();
            string   Group_id = MyRequest.GetString("GroupID");
            string   value    = MyRequest.GetString("StudentID");
            string   msg      = "";

            if (Tools.CheckParams(Group_id + value))
            {
                msg = "传输异常,存在非法字符!";
            }
            else if (value == "")
            {
                msg = "参数异常!";
            }
            else
            {
                try
                {
                    value = Utils.DelLastComma(value);
                    string[] list = value.Split(',');
                    foreach (var tmp in list)
                    {
                        long userid  = long.Parse(tmp);
                        int  groupid = int.Parse(Group_id);
                        BLL.CCOM.Reply_commission   bll   = new BLL.CCOM.Reply_commission();
                        Model.CCOM.Reply_commission model = bll.GetModel(" Group_id=" + groupid + " and User_id=" + userid);
                        if (msg == "")
                        {
                            if (model == null)
                            {
                                continue;
                            }
                            else
                            {
                                if (!bll.Delete(model.Rc_id))
                                {
                                    msg = "移除失败";
                                }
                            }
                        }
                    }
                }
                catch (Exception)
                {
                    msg = "移除发生异常!";
                }
            }
            if (msg == "")
            {
                data["msg"]  = "移除成功";
                data["code"] = 1;
            }
            else
            {
                data["msg"]  = msg;
                data["code"] = 0;
            }
            return(data.ToJson());
        }
        protected string AddTeacher()
        {
            JsonData data     = new JsonData();
            string   Group_id = MyRequest.GetString("GroupID");
            string   User_id  = MyRequest.GetString("TeacherID");
            string   msg      = "";

            if (Tools.CheckParams(Group_id + User_id))
            {
                msg = "传输异常,存在非法字符!";
            }
            else
            {
                try
                {
                    long userid  = long.Parse(User_id);
                    long groupid = long.Parse(Group_id);
                    BLL.CCOM.Reply_commission   bll   = new BLL.CCOM.Reply_commission();
                    Model.CCOM.Reply_commission model = bll.GetModel(" Group_id=" + groupid + " and User_id=" + userid);
                    if (msg == "")
                    {
                        if (model != null)
                        {
                            msg = "教师已在该答辩组中";
                        }
                        else
                        {
                            model          = new Model.CCOM.Reply_commission();
                            model.Group_id = groupid;
                            model.User_id  = userid;
                            if (bll.Add(model) <= 0)
                            {
                                msg = "添加失败";
                            }
                        }
                    }
                }
                catch (Exception)
                {
                    msg = "添加发生异常!";
                }
            }
            if (msg == "")
            {
                data["msg"]  = "添加成功";
                data["code"] = 1;
            }
            else
            {
                data["msg"]  = msg;
                data["code"] = 0;
            }
            return(data.ToJson());
        }
        protected string RemoveTeacher()
        {
            JsonData data     = new JsonData();
            string   Group_id = MyRequest.GetString("GroupID");
            string   User_id  = MyRequest.GetString("TeacherID");
            string   msg      = "";

            if (Tools.CheckParams(Group_id + User_id))
            {
                msg = "传输异常,存在非法字符!";
            }
            else
            {
                try
                {
                    long userid  = long.Parse(User_id);
                    int  groupid = int.Parse(Group_id);
                    BLL.CCOM.Reply_commission   bll   = new BLL.CCOM.Reply_commission();
                    Model.CCOM.Reply_commission model = bll.GetModel(" Group_id=" + groupid + " and User_id=" + userid);
                    if (msg == "")
                    {
                        if (model == null)
                        {
                            msg = "教师不在该答辩组中";
                        }
                        else
                        {
                            if (!bll.Delete(model.Rc_id))
                            {
                                msg = "移除失败";
                            }
                        }
                    }
                }
                catch (Exception)
                {
                    msg = "移除发生异常!";
                }
            }
            if (msg == "")
            {
                data["msg"]  = "移除成功";
                data["code"] = 1;
            }
            else
            {
                data["msg"]  = msg;
                data["code"] = 0;
            }
            return(data.ToJson());
        }
        protected string BatchAddTeacher()
        {
            JsonData data         = new JsonData();
            string   Group_id     = MyRequest.GetString("GroupID");
            string   User_id_List = MyRequest.GetString("TeacherID");
            string   msg          = "";

            if (Tools.CheckParams(Group_id + User_id_List))
            {
                msg = "传输异常,存在非法字符!";
            }
            else if (User_id_List == "")
            {
                msg = "参数异常!";
            }
            else
            {
                try
                {
                    User_id_List = Utils.DelLastComma(User_id_List);
                    string[] list = User_id_List.Split(',');
                    foreach (var tmp in list)
                    {
                        long userid  = long.Parse(tmp);
                        long groupid = long.Parse(Group_id);
                        BLL.CCOM.Reply_commission   bll   = new BLL.CCOM.Reply_commission();
                        Model.CCOM.Reply_commission model = bll.GetModel(" Group_id=" + groupid + " and User_id=" + userid);
                        if (msg == "")
                        {
                            if (model != null)
                            {
                                continue;
                            }
                            else
                            {
                                model          = new Model.CCOM.Reply_commission();
                                model.Group_id = groupid;
                                model.User_id  = userid;
                                if (bll.Add(model) <= 0)
                                {
                                    msg = "添加失败";
                                }
                            }
                        }
                    }
                }
                catch (Exception)
                {
                    msg = "添加发生异常!";
                }
            }
            if (msg == "")
            {
                data["msg"]  = "添加成功";
                data["code"] = 1;
            }
            else
            {
                data["msg"]  = msg;
                data["code"] = 0;
            }
            return(data.ToJson());
        }