BPASmartClient/BPASmartClient.Academy/Model/Sqlite.cs

using SqlSugar;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BPASmartClient.Academy.Model
{
    public class Sqlite
    {
        private static Sqlite instance;
        public static Sqlite GetInstance { get; set; } = instance ??= new Sqlite();
        private Sqlite() { }
        public List<SaveData> saveDatas { get; set; } = new List<SaveData>();
        static string path
        {
            get
            {
                Directory.CreateDirectory(AppDomain.CurrentDomain.BaseDirectory);
                return Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "AccessFile\\DB\\data.db");
            }
        }
        public SqlSugarScope Db = new SqlSugarScope(new ConnectionConfig()
        {
            ConnectionString = $"Data Source = {path}",
            DbType = DbType.Sqlite,
            IsAutoCloseConnection = true,

        });

        public void Init()
        {
            try
            {
                if (!File.Exists(path))
                {
                    Db.DbMaintenance.CreateDatabase();
                    Db.CodeFirst.SetStringDefaultLength(100).InitTables<SaveData>();
                }
                else
                {
                    MessageNotify.GetInstance.ShowRunLog("创建失败");
                }
            }
            catch (Exception)
            {

                throw;
            }
        }
        public bool AddData(SaveData dfb)
        {
            try
            {
                return Db.Insertable(dfb).ExecuteCommand() > 0;
            }
            catch (Exception)
            {
                return false;
            }
        }
        public  List<SaveData> SelectId(string id)
        {
            try
            {
                return Db.Queryable<SaveData>().Where(o => o.Id == id).ToList();
            }
            catch (Exception)
            {
                return null;
            }
        }
        public List<String> SelectAllName() 
        {
           return  Db.Queryable<SaveData>()
                .Select(x => x.Name)
                .Distinct() 
                .ToList();
        }

    }
}