SANAS/Core/DbOpreate/DbCodeFirstDAL/mic_rulers_DAL.cs

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

namespace SmartCoalApplication.Core.DbOpreate.DbCodeFirstDAL
{
    class mic_rulers_DAL : Imic_rulers
    {

        #region 基础功能

        /// <summary>
        /// 添加信息
        /// <param name="model">实体</param>
        /// </summary>
        /// <returns></returns>
        public bool Add(mic_rulers model)
        {
            using (DBEntities dbEntity = new DBEntities())
            {
                dbEntity.mic_rulers_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_rulers_market.SingleOrDefault(m => m.id == id);
                if (info != null)
                {
                    dbEntity.mic_rulers_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_rulers FindDefault(int id)
        {
            using (DBEntities dbEntity = new DBEntities())
            {
                return dbEntity.mic_rulers_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_rulers model)
        {
            using (DBEntities dbEntity = new DBEntities())
            {
                var info = dbEntity.mic_rulers_market.SingleOrDefault(m => m.id == model.id);

                info.id = model.id;//主键ID
                info.gain_multiple = model.gain_multiple;
                info.microscope = model.microscope;
                info.objective_lens = model.objective_lens;
                info.physical_length = model.physical_length;
                info.pixel_length = model.pixel_length;
                info.ruler_camera = model.ruler_camera;
                info.ruler_connector = model.ruler_connector;
                info.ruler_eyepiece = model.ruler_eyepiece;
                info.ruler_height = model.ruler_height;
                info.ruler_name = model.ruler_name;
                info.ruler_units = model.ruler_units;
                info.ruler_width = model.ruler_width;
                info.ruler_zoom = model.ruler_zoom;
                info.ruler_type = model.ruler_type;

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

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

        #endregion 基础功能

    }
}