/// <summary>
        /// 流程活动处理
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public ResultMessage SubmitWorkitemInstance(RequestBySubmitWorkitem request)
        {
            ResultMessage rm = new ResultMessage()
            {
                State = true, Message = ""
            };

            WorkitemInstance wii = this.GetWorkitemInstance(request.WorkitemInstanceGuid);

            ///不在许可范围之内的,直接返回失败
            if (!this.IsEffective(wii))
            {
                return new ResultMessage()
                       {
                           State = false, Message = "不在许可操作范围内!"
                       }
            }
            ;

            wii.AduitContent = request.AduitContent;
            wii.AduitSign    = request.AduitSign;

            wii.SelectVoteItem       = request.SelectVoteItem;
            wii.OtherVoteItemContent = request.OtherVoteItemContent;
            wii.IsProxy = request.IsProxyUser;
            if (wii.IsProxy)
            {
                wii.ProxyUser = this.Context.CurUser;
            }
            else
            {
                wii.User = this.Context.CurUser;
            }
            //wii.SetDataEntity(request.DataEntity);

            switch (request.State)
            {
                #region Running 挂起流程操作
            case eWorkitemState.Running:
            {
                wii.Hung();
                wii.Save();
            }
            break;
                #endregion

                #region Abort 退出流程处理,中止流程
            case eWorkitemState.Abort:
            {
                #region 条件判断
                bool b = false;
                ///是否大管理员
                if (this.Context.CurUser.IsAdministrator())
                {
                    b = true;
                }
                ///是否流程模型管理员
                if (wii.GetWorkflowInstance().GetWorkflow().Administrators.Contains(this.Context.CurUser, _uc))
                {
                    b = true;
                }
                ///是否是流程发起人
                if (_uc.Equals(this.Context.CurUser, wii.GetWorkflowInstance().Author))
                {
                    b = true;
                }
                if (!b)
                {
                    rm.State   = false;
                    rm.Message = "你不具体中止流程的权限。只有管理员和发起人才可以中止流程!";
                    break;
                }
                #endregion

                wii.Abort();
                wii.Save();
                wii.GetWorkflowInstance().Save();
                break;
            }
                #endregion

                #region Completed 正常完成流程处理
            case eWorkitemState.Completed:
            {
                wii.GetWorkflowInstance().SetDataEntity(request.DataEntity);

                #region 创建后继流程活动工作项
                IList <NextActivity> tmp = new List <NextActivity>();
                foreach (var na in request.NextActivities)
                {
                    foreach (var o in na.Operaters)
                    {
                        var x = new NextActivity()
                        {
                            WorkitemInstanceGuid = System.Guid.NewGuid().ToString(),
                            ActivityGuid         = na.Activity,
                            ActivityByname       = na.ActivityName,
                            User = this.GetUser(o),
                        };

                        #region 创建后继流程活动工作项
                        WorkitemInstance xwii = new WorkitemInstance(wii.GetWorkflowInstance().Guid,
                                                                     wii.GetWorkflow().GetActivity(na.Activity, eDaoItem.Guid))
                        {
                            ActivityGuid   = x.ActivityGuid,
                            AduitContent   = "",
                            ReadTime       = null,
                            NextActivities = null,
                            EndTime        = null,
                            User           = x.User,
                            ProxyUser      = null,
                            //WorkitemInstanceState = eWorkitemState.Ready,
                            IsProxy = false,
                            FromWorkitemInstanceGuid = wii.Guid,
                            AttachmentTrainsitions   = null,
                        };
                        xwii.SetContext(this.Context);
                        ///取流程实例数据到流程实例活动
                        xwii.Start();
                        //xwii.BeforeTrigger();
                        xwii.Save();
                        #endregion
                        tmp.Add(x);
                    }
                }
                wii.NextActivities = tmp;
                #endregion

                ///完成流程实例活动
                wii.AfterTrigger();
                wii.Save();
                wii.GetWorkflowInstance().Save();
                break;
            }
                #endregion

                #region Other
            case eWorkitemState.Ready:
            case eWorkitemState.ExclusionCompleted:
            default:
            {
                break;
            }
                #endregion
            }
            ///解锁
            this.DecodeLock(wii);
            if (!rm.State)
            {
                return(rm);
            }

            return(rm);
        }
    }