BLL/BorrowReturnMBLL.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using DAL;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Utils;

namespace BLL
{
    /// <summary>
    /// 图书借还业务层
    /// </summary>
   public class BorrowReturnMBLL
    {
        private Dictionary<string, string> keyValuePairs;

        BorrowReturnMDAL borrowReturnMDAL = new BorrowReturnMDAL();


        /// <summary>
        /// 根据读者编号查询读者信息
        /// </summary>
        /// <param name="ReaderId">读者编号</param>
        /// <returns></returns>
        public Dictionary<string, string> getReturn(string ReaderId)
        {
            Dictionary<string, string> keyValues = new Dictionary<string, string>();
            if (!string.IsNullOrEmpty(ReaderId))
            {
                DataTable dataTable = borrowReturnMDAL.getReturnDAL(ReaderId);
                if (dataTable.Rows.Count>0)
                {
                    keyValues.Add(EnumTools.GetDescription(ManageEnums.READER.READER_ID), dataTable.Rows[0][1].ToString());
                    keyValues.Add(EnumTools.GetDescription(ManageEnums.READER.READER_NAME), dataTable.Rows[0][2].ToString());
                }
            }
            keyValuePairs = keyValues;
            return keyValues;
        }

        /// <summary>
        /// 根据图书id及搜索图书
        /// </summary>
        /// <param name="BookID">图书id</param>
        /// <returns></returns>
        public DataTable getBookList(string BookID)
        {
            return borrowReturnMDAL.getBookDAL(BookID);
        }

        /// <summary>
        /// 还书列表
        /// </summary>
        /// <param name="Reader">读者id</param>
        /// <returns></returns>
        public DataTable getBorrowReturnList(string Reader)
        {
           return borrowReturnMDAL.getBorrowReturnDAL(Reader);