YG-OPP-WCS/Projects/永冠OPP/WCS.Service/Handlers/DataClearHandler.cs

using DBHelper;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using WCS.Core;
using WCS.Entity;
using WCS.Entity.Protocol; 

namespace WCS.Service
{
    [Description("数据清理")]
    class DataClearHandler : LogicHandler
    {
        public override void Start()
        {
            
        }

        DateTime last = DateTime.MinValue;
        public override void Update(double milliseconds)
        {
            if ((DateTime.Now - last).TotalMilliseconds < 1000 * 60 * 60 * 24)
                return;
            last = DateTime.Now;
            DB.Do(db =>
            {
                db.Default.Database.ExecuteSqlRaw("delete WCS_EXCEPTION where datediff(dd,UPDATETIME,getdate())>7");

                var ps = db.Default.GetType().GetProperties();
                foreach (var p in ps)
                {
                    if (!p.PropertyType.IsGenericType)
                        continue;
                    var tType = p.PropertyType.GenericTypeArguments[0];
                    if (!tType.IsSubclassOf(typeof(WCS_PROTOCOLDATA)))
                        continue;
                    var sSql = $"Delete {tType.Name} where datediff(dd,Frame,getdate())>7";
                    db.Default.Database.ExecuteSqlRaw(sSql);
                }
            });
        }
    }
}