MyNewsBLL/UserManager.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using MyNewsDAL;
using MyNewsModels;

namespace MyNewsBLL
{
   public class UserManager
    {
       //创建数据访问层用户类的对象
       UserService userService = new UserService();
       /// <summary>
       /// 根据帐号和密码判断登陆是否成功
       /// </summary>
       /// <param name="userName"></param>
       /// <param name="password"></param>
       /// <returns></returns>
       public bool Login(string userName, string password)
       {
           //调用数据访问层的方法执行查询
         int count=  userService.GetCountByUserNamePassword(userName, password);
         //如果有符合条件的记录，则说明帐号密码输入正确，否则错误
           if (count > 0)
         {
             return true;
         }
       else 
           {
               return false;
           }

       }

        /// <summary>
       /// 根据用户名称查询相应的用户对象
       /// </summary>
       /// <param name="userName"></param>
       /// <returns></returns>
       public User GetUserByName(string userName)
       {
          return  userService.GetUserByName(userName);
       }

       
    }
}