OA2021/DAL/BackwardTable_VisaService.cs

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

namespace DAL
{
    public class BackwardTable_VisaService
    {
        List<BackwardTable_Visa> excuteSql(string sql, params SqlParameter[] param)
        {
            return ServiceBase<BackwardTable_Visa>.excuteSql(new BackwardTable_Visa(), "BackwardTable_Visa", sql, CommandType.Text, param);
        }
        BackwardTable_Visa excuteType(string sql, params SqlParameter[] param)
        {
            //查询结果放入对象集合
            List<BackwardTable_Visa> 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];
        }

        /// <summary>
        /// 增加
        /// </summary>
        /// <param name="c"></param>
        public bool Add(BackwardTable_Visa btv)
        {
            string sql = "insert into BackwardTable_Visa values(@BT_Diid,@BT_VisaCountry,@BT_BusinessType,@BT_VisaType,@BT_VisaTime,@BT_Oper,@BT_OperDate,@BT_Isdel)";
            SqlParameter[] parameter = new SqlParameter[]{
                new SqlParameter("@BT_Diid",btv.BT_Diid),
                new SqlParameter("@BT_VisaCountry",btv.BT_VisaCountry),
                new SqlParameter("@BT_BusinessType",btv.BT_BusinessType),
                new SqlParameter("@BT_VisaType",btv.BT_VisaType),
                new SqlParameter("@BT_VisaTime",btv.BT_VisaTime),
                new SqlParameter("@BT_Oper",btv.BT_Oper),
                new SqlParameter("@BT_OperDate",btv.BT_OperDate),
                new SqlParameter("@BT_Isdel",btv.BT_Isdel)
            };

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

        /// <summary>
        /// 改Update
        /// </summary>
        /// <param name="Dov"></param>
        /// <returns></returns>
        public bool Update(BackwardTable_Visa btv)
        {
            string sql = "update BackwardTable_Visa set BT_Diid=@BT_Diid,BT_VisaCountry=@BT_VisaCountry,BT_BusinessType=@BT_BusinessType,BT_VisaType=@BT_VisaType,BT_VisaTime=@BT_VisaTime," +
                         "BT_Oper=@BT_Oper,BT_OperDate=@BT_OperDate,BT_Isdel=@BT_Isdel where BT_Id = @BT_Id";

            SqlParameter[] parameter = new SqlParameter[]{
                 new SqlParameter("@BT_Diid",btv.BT_Diid),
                new SqlParameter("@BT_VisaCountry",btv.BT_VisaCountry),
                new SqlParameter("@BT_BusinessType",btv.BT_BusinessType),
                new SqlParameter("@BT_VisaType",btv.BT_VisaType),
                new SqlParameter("@BT_VisaTime",btv.BT_VisaTime),
                new SqlParameter("@BT_Oper",btv.BT_Oper),
                new SqlParameter("@BT_OperDate",btv.BT_OperDate),
                new SqlParameter("@BT_Isdel",btv.BT_Isdel),
                new SqlParameter("@BT_Id",btv.BT_Id)
            };

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

        /// <summary>
        /// 根据ID查询
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public List<BackwardTable_Visa> GetByDiid(int diid)
        {
            //调用获取单个对象的方法
            string sql = "select * from  BackwardTable_Visa  where BT_Diid=@BT_Diid and BT_Isdel=0";
            SqlParameter[] parameter = new SqlParameter[]{
                                       new SqlParameter("@BT_Diid", diid)
            };
            return excuteSql(sql, parameter);
        }


        public BackwardTable_Visa GetByDiidAndCountry(int diid, string country)
        {
            //调用获取单个对象的方法
            string sql = "select * from  BackwardTable_Visa  where BT_Diid=@BT_Diid and BT_VisaCountry=@BT_VisaCountry and BT_Isdel=0";
            SqlParameter[] parameter = new SqlParameter[]{
                                       new SqlParameter("@BT_Diid", diid),
                                       new SqlParameter("@BT_VisaCountry", country)
            };
            return excuteType(sql, parameter);

        }
    }
}