BLL/d_users.cs

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using System;
using System.Data;
using System.Collections.Generic;
using LTP.Common;
using CAI.SHOP.Model;
using CAI.SHOP.DALFactory;
using CAI.SHOP.IDAL;
namespace CAI.SHOP.BLL
{
	/// <summary>
	/// 业务逻辑类d_users 的摘要说明。
	/// </summary>
	public class d_users
	{
		private readonly Id_users dal=DataAccess.Created_users();
		public d_users()
		{}
		#region  成员方法

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
			return dal.GetMaxId();
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int uid)
		{
			return dal.Exists(uid);
		}
        /// <summary>
        /// 验证登陆
        /// </summary>
        /// <param name="username"></param>
        /// <param name="password"></param>
        /// <returns></returns>
        public bool Exists(string username, string password)
        {

            return dal.Exists(username, password);
        
        }

        /// <summary>
        /// 验证用户名
        /// </summary>
        /// <param name="username"></param>
        /// <returns></returns>
        public bool Exists(string username)
        {

            return dal.Exists(username);

        }

		/// <summary>