OA2021/DAL/AirCompanyServcies.cs

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

namespace DAL
{
    public class AirCompanyServcies
    {

        List<AirCompany> excuteSql(string sql, params SqlParameter[] param)
        {
            return ServiceBase<AirCompany>.excuteSql(new AirCompany(), "AirCompany", sql, CommandType.Text, param);
        }
        AirCompany excuteType(string sql, params SqlParameter[] param)
        {
            //查询结果放入对象集合
            List<AirCompany> hdList = excuteSql(sql, param);
            AirCompany air = new AirCompany();

            //判断集合是否为空
            if (hdList == null || hdList.Count == 0)
            {
                //返回null
                air.CnName = "该航司尚未收录";
                return air;
            }
            //返回单个对象
            return hdList[0];
        }
        public AirCompany getByShortCode(string ShortCode)
        {
            return this.excuteType("select * from AirCompany where Isdel=0 and ShortCode=@ShortCode", new SqlParameter("@ShortCode", ShortCode.ToUpper()));
        }

        public AirCompany getById(string Id)
        {
            return this.excuteType("select * from AirCompany where Isdel=0 and Id=" + Id);
        }

        /// <summary>
        /// 查找所有数据 - 分页
        /// </summary>
        /// <returns></returns>
        public List<AirCompany> GetAll(int pageIndex, out int sumPage, out int totalRecord, string ShortCode)
        {
            string sqlwhere = "IsDel = 0 and ShortCode like '%" + ShortCode + "%'";

            return PageBase<AirCompany>.excutePageSql(new AirCompany(), "AirCompany", "AirCompany", "*", "id asc", sqlwhere, 10, pageIndex, out sumPage, out totalRecord);
        }



        /// <summary>
        /// 增加
        /// </summary>
        /// <param name="cd"></param>
        /// <returns></returns>
        public bool Add(AirCompany hd)
        {
            string sql = "insert into AirCompany values(@ShortCode,@CnName,@EnName,@OPer,@OPDate,@Isdel)";

            SqlParameter[] parameter = new SqlParameter[]{
                new SqlParameter("@ShortCode",hd.ShortCode),
                new SqlParameter("@CnName",hd.CnName),
                new SqlParameter("@EnName",hd.EnName),
                new SqlParameter("@OPer",hd.OPer),
                new SqlParameter("@OPDate",hd.OPDate),
                new SqlParameter("@Isdel",hd.Isdel)
            };

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

        /// <summary>
        /// 编辑
        /// </summary>
        /// <param name="sdt"></param>
        /// <returns></returns>
        public bool Edit(AirCompany hd)
        {
            string sql = "update AirCompany set ShortCode=@ShortCode,CnName=@CnName,EnName=@EnName,"
                + "OPer=@OPer,OPDate=@OPDate,Isdel=@Isdel where Id = @Id";

            SqlParameter[] parameter = new SqlParameter[]{
                new SqlParameter("@ShortCode",hd.ShortCode),
                new SqlParameter("@CnName",hd.CnName),
                new SqlParameter("@EnName",hd.EnName),
                new SqlParameter("@OPer",hd.OPer),
                new SqlParameter("@OPDate",hd.OPDate),
                new SqlParameter("@Isdel",hd.Isdel),
                new SqlParameter("@Id",hd.Id)
            };

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

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


    }
}