public void Add(MsgAdmin MsgAdmin, int?IsObj, int?IsAdmin, int?IsPId, int?IsLevel)
        {
            string sendUsers = "";

            //获取发送对象
            if (IsObj.HasValue)
            {
                switch (IsObj)
                {
                case 0:    //管理员
                    MsgAdmin.IsAdmin = 0;
                    #region  给管理员发送
                    if (IsAdmin.HasValue)
                    {
                        if (IsAdmin.Value == 0)
                        {
                            //选择了所有的管理员
                            IList <SysAdmin> ListAdmin = BasicAgent.GetAgentAdmins(Entity);   //获取所有的管理员
                            if (ListAdmin.Count > 1)
                            {
                                MsgAdmin.AId = 0;
                                foreach (var item in ListAdmin)
                                {
                                    sendUsers += item.Id + ",";
                                }
                            }
                            else
                            {
                                MsgAdmin.AId = ListAdmin[0].Id;
                            }
                        }
                        else
                        {
                            //如果选择了单个管理员
                            MsgAdmin.AId = IsAdmin.Value;
                        }
                    }
                    #endregion
                    break;

                case 1:      //代理商
                    MsgAdmin.IsAdmin = 1;
                    #region 给代理商发送
                    int isLevel = IsLevel.HasValue ? IsLevel.Value : 0;

                    if (IsPId.HasValue)
                    {
                        if (IsPId.Value == 0)    //如果选择的所有代理商
                        {
                            IList <SysAgent> ListAgent = BasicAgent.GetSupAgent(Entity);
                            if (isLevel == 1)
                            {
                                //包含下级
                                ListAgent = ListAgent.GetSupAgent(Entity);
                            }
                            IList <SysAdmin> modelAdmin = ListAgent.GetAgentAdmins(Entity);
                            if (modelAdmin.Count > 1)
                            {
                                MsgAdmin.AId = 0;
                                foreach (var adminItem in modelAdmin)
                                {
                                    sendUsers += adminItem.Id + ",";
                                }
                            }
                            else
                            {
                                MsgAdmin.AId = modelAdmin[0].Id;
                            }
                        }
                        else      //如果选择的单个代理商
                        {
                            SysAgent         agentModel = Entity.SysAgent.FirstOrDefault(x => x.Id == IsPId);
                            IList <SysAdmin> modelAdmin = null;
                            if (isLevel == 0)      //不包含下级
                            {
                                modelAdmin = agentModel.GetAgentAdmins(Entity);
                            }
                            else      //包含下级
                            {
                                //获取下级代理商
                                IList <SysAgent> ListAgent = agentModel.GetSupAgent(Entity);
                                modelAdmin = ListAgent.GetAgentAdmins(Entity);
                            }
                            if (modelAdmin.Count > 1)
                            {
                                MsgAdmin.AId = 0;
                                foreach (var item in modelAdmin)
                                {
                                    sendUsers += item.Id + ",";
                                }
                            }
                            else
                            {
                                MsgAdmin.AId = modelAdmin[0].Id;
                            }
                        }
                    }
                    #endregion
                    break;
                }
            }
            MsgAdmin.PId       = AdminUser.Id;
            MsgAdmin.SendUsers = !string.IsNullOrWhiteSpace(sendUsers) ? "," + sendUsers : ",0,";
            MsgAdmin.Name      = MsgAdmin.Name;
            MsgAdmin.Info      = MsgAdmin.Info;
            MsgAdmin.State     = MsgAdmin.State;
            MsgAdmin.AddTime   = DateTime.Now;
            Entity.MsgAdmin.AddObject(MsgAdmin);
            Entity.SaveChanges();
            BaseRedirect();
        }