SANAS/Core/DbOpreate/DbCodeFirstDAL/mic_module_infos_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_module_infos_DAL : Imic_module_infos
    {

        #region 基础功能


        /// <summary>
        /// 添加信息
        /// <param name="model">实体</param>
        /// </summary>
        /// <returns></returns>
        public bool Add(mic_module_infos model)
        {
            using (DBEntities dbEntity = new DBEntities())
            {
                dbEntity.mic_module_infos_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_module_infos_market.SingleOrDefault(m => m.id == id);
                if (info != null)
                {
                    dbEntity.mic_module_infos_market.Remove(info);
                    dbEntity.SaveChanges();
                }
                else
                {
                    return false;
                }
                return true;
            }
        }

        /// <summary>
        /// 删除多条信息
        /// <param name="analyzeClassify">分类</param>
        /// </summary>
        /// <returns></returns>
        public bool Del(string analyzeClassify)
        {
            using (DBEntities dbEntity = new DBEntities())
            {
                var infos = dbEntity.mic_module_infos_market.Where(m => m.analyze_classify == analyzeClassify).ToList();
                if (infos != null && infos.Count > 0)
                {
                    foreach (var info in infos)
                    {
                        dbEntity.mic_module_infos_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_module_infos FindDefault(int id)
        {
            using (DBEntities dbEntity = new DBEntities())
            {
                return dbEntity.mic_module_infos_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_module_infos model)
        {
            using (DBEntities dbEntity = new DBEntities())
            {
                var info = dbEntity.mic_module_infos_market.SingleOrDefault(m => m.id == model.id);

                info.id = model.id;//主键ID
                info.analyze_classify = model.analyze_classify;
                info.tag_name = model.tag_name;
                info.cell_position = model.cell_position;

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

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


        #endregion

    }
}