Core/SM/Bll/LogBll.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.ComponentModel;
using System.Reflection;
using System.Text;
using Core.SM;
using Core.SM.Dal;
using Core.SM.Model;
using Common;
using Common.Data;
using Omu.ValueInjecter;

namespace Core.SM.Bll
{

    public class LogBll<T> where T : new()
    {


        /// <summary>
        /// 清除操作日志
        /// </summary>
        /// <param name="days">保留日志的天数</param>
        /// <returns></returns>
        public string ClearLog(int days)
        {
            if (days == 0)
            {
                LogDal.Instance.RemoveAll();
                return new JsonMessage { Data = "1", Message = "紀錄清除成功!", Success = true }.ToString();
            }

            List<Log> logs = LogDal.Instance.GetList(days).ToList();
            if (logs.Count > 0)
            {
                string logIds = logs.Aggregate("", (current, log) => current + (log.KeyId.ToString() + ",")).TrimEnd(',');
                int k = LogDal.Instance.Delete(logIds);
                return new JsonMessage { Data = k.ToString(), Message = "紀錄清除成功!", Success = true }.ToString();
            }
            else
            {
                return new JsonMessage { Data = "0", Message = "沒有符合條件可刪除!", Success = false }.ToString();
            }
        }
    }
}