OA2021/DAL/ThreeCodeServices.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 ThreeCodeServices
    {
        List<ThreeCode> excuteSql(string sql, params SqlParameter[] param)
        {
            return ServiceBase<ThreeCode>.excuteSql(new ThreeCode(), "ThreeCode", sql, CommandType.Text, param);
        }
        ThreeCode excuteType(string sql, params SqlParameter[] param)
        {
            //查询结果放入对象集合
            List<ThreeCode> hdList = excuteSql(sql, param);
            //判断集合是否为空

            if (hdList == null || hdList.Count == 0)
                //返回null
                return null;
            //返回单个对象
            return hdList[0];
        }

        public ThreeCode getByThree(string three)
        {
            return this.excuteType("select * from ThreeCode where Isdel=0 and Three=@Three", new SqlParameter("@Three", three.ToUpper()));
        }

        //public ThreeCode getByCountry(string country)
        //{
        //    return this.excuteType("select * from ThreeCode where Isdel=0 and country='"+country+"'");
        //}
        public List<ThreeCode> getByCountry(string country)
        {
            return this.excuteSql("select * from ThreeCode where Isdel=0 and country='" + country + "'");
        }

        public List<ThreeCode> getByCity(string city)
        {
            return this.excuteSql("select * from ThreeCode where Isdel=0 and City='" + city + "'");
        }

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

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

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

        /// <summary>
        /// 查找所有数据 - 国家
        /// </summary>
        /// <returns></returns>
        public List<ThreeCode> GetAllCountry()
        {
            return excuteSql("select * from ThreeCode where IsDel = 0");
        }

        /// <summary>
        /// 增加
        /// </summary>
        /// <param name="cd"></param>
        /// <returns></returns>
        public bool Add(ThreeCode hd)
        {
            string sql = "insert into ThreeCode values(@Three,@Four,@Country,@City,@AirPort,@AirPort_En,@OPer,@OPDate,@Isdel)";

            SqlParameter[] parameter = new SqlParameter[]{
                new SqlParameter("@Three",hd.Three),
                new SqlParameter("@Four",hd.Four),
                new SqlParameter("@Country",hd.Country),
                new SqlParameter("@City",hd.City),
                new SqlParameter("@AirPort",hd.AirPort),
                new SqlParameter("@AirPort_En",hd.AirPort_En),
                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(ThreeCode hd)
        {
            string sql = "update ThreeCode set Three=@Three,Four=@Four,Country=@Country,City=@City,AirPort=@AirPort,"
                + "AirPort_En=@AirPort_En,OPer=@OPer,OPDate=@OPDate,Isdel=@Isdel where Id = @Id";

            SqlParameter[] parameter = new SqlParameter[]{
                new SqlParameter("@Three",hd.Three),
                new SqlParameter("@Four",hd.Four),
                new SqlParameter("@Country",hd.Country),
                new SqlParameter("@City",hd.City),
                new SqlParameter("@AirPort",hd.AirPort),
                new SqlParameter("@AirPort_En",hd.AirPort_En),
                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 ThreeCode set IsDel = 1 where Id = @Id", CommandType.Text, new SqlParameter("@Id", id)) > 0)
                return true;
            return false;
        }
    }
}