OA2021/DAL/LevelService.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Models;
using System.Data;
using System.Data.SqlClient;

namespace DAL
{
    /// <summary>
    /// 等级信息数据访问层
    /// </summary>
    public class LevelService
    {

        /// <summary>
        /// 查询所有等级信息数据
        /// </summary>
        /// <param name="pageIndex"></param>
        /// <param name="sumPage"></param>
        /// <param name="totalRecord"></param>
        /// <returns></returns>
        public object GetAll(int pageIndex, out int sumPage, out int totalRecord,string Did,string Cid)
        {
            string sqlwhere = " Did="+Did+" and IsDel = 0 and Cid="+Cid;
            return PageBase<Level>.excutePageSql(new Level(), "Level", "Level", "*", "id asc", sqlwhere, 10, pageIndex, out sumPage, out totalRecord);
        }


        /// <summary>
        /// 新增等级信息
        /// </summary>
        /// <param name="level">等级信息实体</param>
        /// <returns></returns>
        public bool AddLevel(Level level)
        {

            string sql = "insert into Level values(@Lid,@LName,@Profit,@Rebate,@Tax,@Did,@IsDel,@Cid)";

            SqlParameter[] parameter = new SqlParameter[]{
                new SqlParameter("@Lid",level.Lid),
                new SqlParameter("@LName",level.LName),
                new SqlParameter("@Profit",level.Profit),
                new SqlParameter("@Rebate",level.Rebate),
                new SqlParameter("@Tax",level.Tax),
                new SqlParameter("@Did",level.Did),
                new SqlParameter("@IsDel",level.IsDel),
                new SqlParameter("@Cid",level.Cid)
            };

            if (SqlHelper.ExecuteNonQuery(sql, CommandType.Text, parameter) > 0)
                return true;
            return false;
        }

        /// <summary>
        /// 根据编号查询实体
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public Level GetSetDataByID(int id)
        {
            //调用获取单个对象的方法
            return excuteType("select * from Level where Id = @id and IsDel = 0", new SqlParameter("@id", id));
        }

        /// <summary>
        /// 获取单个对象
        /// </summary>
        /// <param name="sql">sql语句</param>
        /// <param name="param">可变参数数组</param>
        /// <returns>返回空或者单个对象</returns>
        private Level excuteType(string sql, SqlParameter param)
        {
            //查询结果放入对象集合
            List<Level> LevelList = excuteSql(sql, param);
            //判断集合是否为空
            if (LevelList == null || LevelList.Count == 0)
                //返回null
                return null;
            //返回单个对象
            return LevelList[0];
        }


        /// <summary>
        /// 查询所有
        /// </summary>
        /// <param name="sql">sql语句</param>
        /// <param name="param">可变参数数组</param>
        /// <returns>返回集合</returns>
        List<Level> excuteSql(string sql, params SqlParameter[] param)
        {
            return ServiceBase<Level>.excuteSql(new Level(), "Level", sql, CommandType.Text, param);
        }

        /// <summary>
        /// 根据id修改level表数据
        /// </summary>
        /// <param name="level"></param>
        /// <returns></returns>
        public bool EditLevel(Level level)
        {
            string sql = "update Level set Lid = @Lid ,LName = @LName ,Profit = @Profit,Rebate = @Rebate,Tax = @Tax,Did = @Did,Cid=@Cid  where Id = @Id";

            SqlParameter[] parameter = new SqlParameter[]{
                new SqlParameter("@Lid",level.Lid),
                new SqlParameter("@LName",level.LName),
                new SqlParameter("@Profit",level.Profit),
                new SqlParameter("@Rebate",level.Rebate),
                new SqlParameter("@Tax",level.Tax),
                new SqlParameter("@Did",level.Did),
                new SqlParameter("@IsDel",level.IsDel),
                new SqlParameter("@Id",level.Id),
                new SqlParameter("@Cid",level.Cid)
            };
            if (SqlHelper.ExecuteNonQuery(sql, CommandType.Text, parameter) > 0)
                return true;
            return false;
        }

        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public bool DelSetData(int id)
        {
            if (SqlHelper.ExecuteNonQuery("update Level set IsDel = 1 where Id = @Id", CommandType.Text, new SqlParameter("@Id", id)) > 0)
                return true;
            return false;
        }

        /// <summary>
        /// 根据航空公司id和等级id查询等级信息
        /// </summary>
        /// <param name="p"></param>
        /// <returns></returns>
        public Level GetOfferByLid(int Lid,int Cid)
        {
            //调用获取单个对象的方法
            return excuteType("select * from Level where Lid = @Lid and Cid="+Cid+" and IsDel = 0", new SqlParameter("@Lid", Lid));
        }
    }
}