BLL/books.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 System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using UBW.Model;
using UBW.DAL;
namespace UBW.BLL
{
    /// <summary>
    /// [books] 业务逻辑处理
    /// </summary>
    public class books 
    {
       
        private readonly UBW.DAL.books dal=new UBW.DAL.books();

        public books(){}
        
        /// <summary>
        /// 增加一条数据
        /// </summary>
        /// <param name="model">对象实体</param>
        public bool Insert(UBW.Model.books model)
        {
            return dal.Insert(model);
        }


        /// <summary>
        /// 更新一条数据
        /// </summary>
        /// <param name="model">对象实体</param>
        public bool Update(UBW.Model.books model)
        {
            return dal.Update(model);
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        /// <param name="model">对象实体</param>
        public bool Update(string field, string where)
        {
            return dal.Update(field, where);
        }

        /// <summary>
        ///  删除一条数据
        /// </summary>
        /// <param name="bid">bid</param>
        public bool Delete(int bid)
        {
            return dal.Delete(bid);
        }
        
        /// <summary>
        ///  判断是否存在
        /// </summary>
        /// <param name="bid">bid</param>
        public bool Exists(int bid)