BookShop/BLL/BookShop_Book.cs

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using System;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using System.Collections.Generic;

using BookShop.Model;
using BookShop.Data;
using BookShop.Common;

namespace BookShop
{

    /// <summary>
    ///	图书信息表
    ///	BLL逻辑层 BookShop_Book
    /// 主要完成对DAL层的调用
    ///	2013-07-22 20:53:17
    /// </summary>
    public class BookBLL
    {

        #region #Method
        /// <summary>
        /// 全局变量
        /// </summary>
        private static BookProvider DAL = BookProvider.GetInstance();


        /// <summary>
        /// 根据条件判断是否存在
        /// </summary>
        /// <param name="condition">条件</param>
        /// <returns></returns>
        public static bool ExistBook(string condition)
        {
            return DAL.ExistBook(condition);
        }

        /// <summary>
        /// 增加一条记录
        /// </summary>
        /// <param name="model">类实体</param>
        /// <returns></returns>
        public static int AddBook(Model.Book model)
        {
            return DAL.AddBook(model);
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        /// <param name="model">类实体</param>
        /// <returns></returns>
        public static bool UpdateBook(Model.Book model)
        {
            return DAL.UpdateBook(model);
        }