BLL/TeacherBll.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using DAL;
using Model;

namespace BLL
{
   public class TeacherBll
    {
       TeacherDal teacherDal = new TeacherDal();
       /// <summary>
       /// 判断教师登录时的用户名密码
       /// </summary>
       /// <param name="stuname"></param>
       /// <param name="stupwd"></param>
       /// <returns></returns>
       public bool TeacherLogion(string teaname, string teapwd)
       {
           return teacherDal.TeacherLogion(teaname,teapwd);
       }
       /// <summary>
        /// 判断教师登录时的用户名密码
        /// </summary>
        /// <param name="stuname"></param>
        /// <param name="stupwd"></param>
        /// <returns></returns>
       public List<Teacher> TeacherLogions(string teaname, string teapwd)
       {
           return teacherDal.TeacherLogions(teaname, teapwd);
       }
        /// <summary>
        /// 获取老师信息
        /// </summary>
        /// <returns></returns>
       public List<Model.Teacher> GetTeacherInfo()
       {
           return teacherDal.GetTeacherInfo();
       }
        ///<summary>
        ///通过ID查询
        ///</summary>
        ///<param name="id"></param>
        ///<returns></returns>
       public List<Model.Teacher> GetTeacherByID(int id)
       {
           return teacherDal.GetTeacherByID(id);
       }
       /// <summary>
        /// 修改教师信息
        /// </summary>
        /// <param name="t"></param>
        /// <returns></returns>
       public bool UpdateTeacher(Model.Teacher t)
       {
           return teacherDal.UpdateTeacher(t);
       }

        /// <summary>