using Sln.Iot.Repository; using System; using System.Collections.Generic; using System.Text; namespace SlnMesnac.Repository.service.Impl { public class RealReadDataImpl { private static readonly Lazy lazy = new Lazy(() => new RealReadDataImpl()); public static RealReadDataImpl Instance { get { return lazy.Value; } } public SQLiteHelper _helper = new SQLiteHelper(); } }