RBDC/Metisvision/Data/DbOpreate/DbCodeFirstDAL/mic_script_step_DAL.cs

using PaintDotNet.DbOpreate.DbIDal;
using PaintDotNet.DbOpreate.DbModel;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace PaintDotNet.DbOpreate.DbCodeFirstDAL
{
    class mic_script_step_DAL : Imic_script_step
    {
        #region 基础功能

        /// <summary>
        /// 添加信息
        /// <param name="model">实体</param>
        /// </summary>
        /// <returns></returns>
        public bool Add(mic_script_step model)
        {
            using (DBEntities dbEntity = new DBEntities())
            {
                dbEntity.mic_script_step_market.Add(model);
                int recordsAffected;
                recordsAffected = dbEntity.SaveChanges();
                return recordsAffected > 0;
            }
        }

        /// <summary>
        /// 删除信息
        /// <param name="id">主键</param>
        /// </summary>
        /// <returns></returns>
        public bool Del(int id)
        {
            using (DBEntities dbEntity = new DBEntities())
            {
                var info = dbEntity.mic_script_step_market.SingleOrDefault(m => m.id == id);
                if (info != null)
                {
                    dbEntity.mic_script_step_market.Remove(info);
                    dbEntity.SaveChanges();
                }
                else
                {
                    return false;
                }
                return true;
            }
        }

        /// <summary>
        /// 获得信息
        /// <param name="id">主键</param>
        /// </summary>
        /// <returns></returns>
        public mic_script_step FindDefault(int id)
        {
            using (DBEntities dbEntity = new DBEntities())
            {
                return dbEntity.mic_script_step_market.Where(m => m.id == id).FirstOrDefault();
            }
        }

        /// <summary>
        /// 更新信息
        /// <param name="model">实体</param>
        /// </summary>
        /// <returns></returns>
        public bool Update(mic_script_step model)
        {
            using (DBEntities dbEntity = new DBEntities())
            {
                var info = dbEntity.mic_script_step_market.SingleOrDefault(m => m.id == model.id);

                info.id = model.id; //主键ID
                info.script_id = model.script_id;//会员id

                int recordsAffected;
                recordsAffected = dbEntity.SaveChanges();
                return recordsAffected > 0;
            }
        }

        /// <summary>
        /// 获得所有信息
        /// </summary>
        /// <returns></returns>
        public List<mic_script_step> FindAll()
        {
            using (DBEntities dbEntity = new DBEntities())
            {
                return dbEntity.mic_script_step_market.OrderByDescending(m => m.id).ToList();
            }
        }

        #endregion 基础功能

        #region 扩展功能

        public List<mic_script_step> FindAllByScripId(int script_id)
        {
            using (DBEntities dbEntity = new DBEntities())
            {
                return dbEntity.mic_script_step_market.Where(m=>m.script_id == script_id).OrderBy(m => m.step_sort).ToList();
            }
        }

        public List<mic_script_step> FindMaxIdByScripId(int script_id)
        {
            using (DBEntities dbEntity = new DBEntities())
            {
                return dbEntity.mic_script_step_market.Where(m => m.script_id == script_id).OrderByDescending(m => m.id).Take(1).ToList();
            }
        }

        #endregion 扩展功能

    }
}