?? bookbussiness.cs
字號:
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Collections.Generic;
using BookManage.Model;
using BookManage.DAL;
namespace BookManage.BLL
{
/// <summary>
/// 圖書的借閱,歸還操作
/// </summary>
public class BookBusiness
{
public BookBusiness()
{
//
// TODO: Add constructor logic here
//
}
DAL.BookBusiness dal = new BookManage.DAL.BookBusiness();
/// <summary>
/// 獲取已經(jīng)借出的圖書
/// </summary>
/// <returns></returns>
public IList<BookLentInfo> GetBookLendList()
{
return dal.GetBookLendList();
}
/// <summary>
/// 獲取用戶借入的圖書
/// </summary>
/// <param name="userName"></param>
/// <returns></returns>
public IList<BookLentInfo> GetBookLendListByUserName(string userName)
{
return dal.GetBookLendListByUserName(userName); ;
}
/// <summary>
/// 借書
/// </summary>
/// <param name="bookId"></param>
/// <param name="userName"></param>
/// <returns></returns>
public static int LendBook(int bookId, string userName)
{
return BookManage.DAL.BookBusiness.LendBook(bookId, userName);
}
/// <summary>
/// 還書
/// </summary>
/// <param name="blId"></param>
/// <returns></returns>
public int ReturnBook(int blId)
{
return dal.ReturnBook(blId);
}
/// <summary>
/// 用戶已借書數(shù)量
/// </summary>
/// <param name="userName"></param>
/// <returns></returns>
public int LentBookAmount(string userName)
{
return dal.BorrowedBookAmount(userName);
}
/// <summary>
/// 用戶是否有到期圖書未還
/// </summary>
/// <param name="userName"></param>
/// <returns></returns>
public bool HasExpiredBook(string userName)
{
return dal.HasExpiredBook(userName);
}
}
}
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