user.cs

建立系统架构的说明(教你怎样搭好框架).rar

using System;
using System.Collections.Generic;
using System.Text;
using DAL = IAS.BookShop.DAL;
using IAS.BookShop.Model;
namespace IAS.BookShop.BLL
{
    public class User
    {
        public void Add(UserInfo userInfo)
        {
            if (userInfo == null)
                throw new ArgumentNullException("userInfo");

            DAL.User user = new IAS.BookShop.DAL.User();
            user.Add(userInfo);

        }
        public void Modify(UserInfo userInfo)
        {
            if (userInfo == null)
                throw new ArgumentNullException("userInfo");
            if (userInfo.Id <= 0)
                throw new ArgumentException("提供大于零的值。", "userInfo");


            DAL.User user = new IAS.BookShop.DAL.User();
            user.Modify(userInfo);
        }
        public void Delete(int id)
        {
            if (id <= 0)
                throw new ArgumentException("提供大于零的值。", "userInfo");
            DAL.User user = new IAS.BookShop.DAL.User();
            user.Delete(id);
            
        }
        public void Delete(UserInfo userInfo)
        {
            if (userInfo == null)
                throw new ArgumentNullException("userInfo");
           
            Delete(userInfo.Id);

        }
        public IList<UserInfo> GetList()
        {
            return new DAL.User().GetList();
        }
        public UserInfo GetUserInfo(int id)
        {
            return new DAL.User().GetUserById(id);
        }
        public UserInfo GetUserInfo(string loginId)
        {
            return new DAL.User().GetUserByLoginId(loginId);
        }
        public bool SignOn(string loginId, string password, out UserInfo userInfo)
        {
            userInfo = new IAS.BookShop.DAL.User().GetUserByLoginId(loginId);

            if (userInfo == null)
                return false;
            if (userInfo.LoginId == loginId && userInfo.LoginPwd == password && userInfo.State.Name == "正常")
                return true;
            return false;
        }
    }
}