userservice.cs

本在线考试系统采用了面向对象的分析和设计

using System;
using System.Collections.Generic;
using System.Text;
using ExaminationSystem.BLL.DataInterface;
using ExaminationSystem.BLL.Domain;
namespace ExaminationSystem.BLL.Service
{
    public class UserService:AbstractService<User,IUserDao>
    {
        public User CheckLogin(string loginName, string password)
        {
            User example = new User();
            example.LoginName = loginName;
            IList<User> users = Dao.GetByExample(example, new string[] { });
            if (users.Count == 1)
            {
                if (users[0].Password == password)
                    return users[0];
            }
            return null;
        }
    }
}