public void AddOrUpdate(UpdateUserReq request)
        {
            request.ValidationEntity(u => new { u.Account, u.Name, u.OrganizationIds });

            if (string.IsNullOrEmpty(request.OrganizationIds))
            {
                throw new Exception("请为用户分配机构");
            }
            User requser = request;

            requser.CreateId = _auth.GetCurrentUser().User.Id;

            UnitWork.ExecuteWithTransaction(() =>
            {
                if (string.IsNullOrEmpty(request.Id))
                {
                    if (UnitWork.Any <User>(u => u.Account == request.Account))
                    {
                        throw new Exception("用户账号已存在");
                    }

                    if (string.IsNullOrEmpty(requser.Password))
                    {
                        requser.Password = requser.Account;   //如果客户端没提供密码,默认密码同账号
                    }

                    requser.CreateTime = DateTime.Now;

                    UnitWork.Add(requser);
                    request.Id = requser.Id; //要把保存后的ID存入view
                }
                else
                {
                    UnitWork.Update <User>(u => u.Id == request.Id, u => new User
                    {
                        Account = requser.Account,
                        BizCode = requser.BizCode,
                        Name    = requser.Name,
                        Sex     = requser.Sex,
                        Status  = requser.Status
                    });
                    if (!string.IsNullOrEmpty(requser.Password))  //密码为空的时候,不做修改
                    {
                        UnitWork.Update <User>(u => u.Id == request.Id, u => new User
                        {
                            Password = requser.Password
                        });
                    }
                }

                UnitWork.Save();
                string[] orgIds = request.OrganizationIds.Split(',').ToArray();

                _revelanceApp.DeleteBy(Define.USERORG, requser.Id);
                _revelanceApp.Assign(Define.USERORG, orgIds.ToLookup(u => requser.Id));
            });
        }