MyNote.BLL/MyNoteBLL.cs

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using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MyNote.BLL
{
    public class MyNoteBLL
    {
        private readonly MyNote.DAL.MyNoteDAL dal = new MyNote.DAL.MyNoteDAL();
        public MyNoteBLL()
        { }

        #region  Method
        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int NoteId)
        {
            return dal.Exists(NoteId);
        }

        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(MyNote.Model.NoteModel model)
        {
            model.NoteUpdateTime = Convert.ToDateTime("2000-01-01");
            model.NoteCreateTime = DateTime.Now;
            model.NoteIsDelete = false;
            return dal.Add(model);
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(MyNote.Model.NoteModel model)
        {
            model.NoteUpdateTime = DateTime.Now;
            return dal.Update(model);
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool Delete(int NoteId)
        {

            return dal.Delete(NoteId);
        }

        /// <summary>
        /// 标记删除
        /// </summary>
        /// <param name="noteId"></param>
        /// <returns></returns>
        public bool DeleteMark(int noteId)
        {