MyBookShopBLL/BooksManager.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using MyBookShop.DAL;
using MyBookShop.Model;

namespace MyBookShop.BLL
{
    public class BooksManager
    {
        /// <summary>
        /// 获得所有图书
        /// </summary>
        /// <returns>图书集合</returns>
        public List<Books> GetAllBooks()
        {
            return new BookService().GetAllBooks();
        }

        /// <summary>
        /// 分页得到图书
        /// </summary>
        /// <param name="pageIndex">页码</param>
        /// <param name="pageSize">每页数据条数</param>
        /// <returns>每页图书集合</returns>
        public List<Books> GetBooksByPage(int pageIndex, int pageSize)
        {
            return new BookService().GetBooksByPage(pageIndex, pageSize);
        }

        /// <summary>
        /// 获得总记录数
        /// </summary>
        /// <returns>总的图书数量</returns>
        public int GetBookCount()
        {
            return new BookService().GetBookCount();
        }

        /// <summary>
        /// 删除图书
        /// </summary>
        /// <param name="id">图书ID</param>
        /// <returns>true或false</returns>
        public bool BookDelete(int id)
        {
            int count = new BookService().BookDelete(id);
            if (count > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 获取排行前16的图书