Core/SM/Dal/SysDetDal.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Common.Data;
using Core.SM.Model;

namespace Core.SM.Dal
{
    class SysDetDal : BaseRepository<SysDet>
    {
        private SysDetDal() { }
        private static readonly object syncObject = new object();
        private static SysDetDal singleton;




        public static SysDetDal Instance
        {
            get
            {
                if (singleton == null)
                {
                    lock (syncObject)
                    {
                        if (singleton == null)
                        {
                            singleton = new SysDetDal();
                        }
                    }
                }
                return singleton;
            }
        }

        public IEnumerable<SysDet> GetListBy(int parentid = 0)
        {
            return from n in base.GetAll()
                   where n.ParentId == parentid
                   orderby n.Sortnum
                   select n;
        }

  
        public IEnumerable<SysDet> GetSysListBy(int sysId)
        {
            return GetWhere(new { SysId = sysId });
        }