NongJiaLe/BLL/Shopping_User.cs

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


using Shopping.DAL;

namespace Shopping
{

    /// <summary>
    ///	Shopping_User
    ///	BLL逻辑层 Shopping_User
    /// 主要完成对DAL层的调用
    /// </summary>
    public class UserBLL
    {

        /// <summary>
        /// 全局变量
        /// </summary>
        private static UserProvider DAL = UserProvider.GetInstance();


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

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

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

        /// <summary>
        /// 删除一条数据
        /// </summary>