/// <summary>
        /// 设置model,如果不为空就设置,如果为空则和之前一样
        /// </summary>
        /// <param name="target"></param>
        /// <param name="source"></param>
        /// <returns></returns>
        public GuYuanDepartment SetGuYuanDepartment(GuYuanDepartment model, GuYuanDepartmentReq data)
        {
            if (!string.IsNullOrEmpty(data.DepartmentName))
            {
                model.DepartmentName = data.DepartmentName;
            }
            if (data.projectid != null)
            {
                model.ProjectId = data.projectid.Value;
            }
            if (!string.IsNullOrEmpty(data.ProjectName))
            {
                model.ProjectName = data.ProjectName;
            }
            if (!string.IsNullOrEmpty(data.State))
            {
                model.State = data.State;
            }
            if (!string.IsNullOrEmpty(data.OptName))
            {
                model.OptName = data.OptName;
            }
            if (data.OptId != null)
            {
                model.OptId = data.OptId.Value;
            }
            if (data.createdate != null && data.createdate != DateTime.MinValue && data.createdate != SqlDateTime.MinValue.Value)
            {
                model.createdate = data.createdate.Value;
            }

            return(model);
        }
        public GuYuanDepartment UpdateSingle(int id, GuYuanDepartmentReq data)
        {
            GuYuanDepartment model = db.GuYuanDepartment.Find(id);

            SetGuYuanDepartment(model, data);
            db.SaveChanges();
            return(model);
        }
        /// <summary>
        /// 查询GuYuanDepartment
        /// </summary>
        /// <param name="req"></param>
        /// <returns></returns>
        public SearchListResult <GuYuanDepartment> SearchList(GuYuanDepartmentReq req)
        {
            var query = from source in db.GuYuanDepartment select source;

            if (!string.IsNullOrEmpty(req.DepartmentName))
            {
                query = query.Where(d => d.DepartmentName.Contains(req.DepartmentName));
            }
            if (req.projectid != null && req.projectid != 0)
            {
                query = query.Where(d => d.ProjectId == req.projectid);
            }
            if (!string.IsNullOrEmpty(req.ProjectName))
            {
                query = query.Where(d => d.ProjectName.Contains(req.ProjectName));
            }
            if (!string.IsNullOrEmpty(req.State))
            {
                query = query.Where(d => d.State.Contains(req.State));
            }
            if (!string.IsNullOrEmpty(req.OptName))
            {
                query = query.Where(d => d.OptName.Contains(req.OptName));
            }
            if (req.OptId != null)
            {
                query = query.Where(d => d.OptId == req.OptId);
            }
            if (req.createdateStart != DateTime.MinValue && req.createdateStart != SqlDateTime.MinValue.Value)
            {
                query = query.Where(d => d.createdate >= req.createdateStart);
            }
            if (req.createdateEnd != DateTime.MinValue && req.createdateEnd != SqlDateTime.MinValue.Value)
            {
                query = query.Where(d => d.createdate >= req.createdateEnd);
            }

            if (string.IsNullOrEmpty(req.sidx))
            {
                req.sidx = "id";
                req.sord = "desc";
            }
            SearchListResult <GuYuanDepartment> retListResult = query.ToSearchList(req);

            return(retListResult);
        }