BusinessLogicLayer/StudentBLL.cs

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

using CheckOnWork.IDAL;
using CheckOnWork.Model;
using CheckOnWork.DALFactory;
using CheckOnWork.WebConfig;

namespace CheckOnWork.BusinessLogicLayer
{
    public class StudentBLL
    {
        private static readonly IStudent dal = DALFactory.DataAccess.CreateStudent();

        /// <summary>
        /// 按系别得到该系学生信息IList
        /// </summary>
        /// <param name="departmentId">id</param>
        /// <returns></returns>
        public IList<Model.Student> GetStudentsByDepartment(int departmentId)
        {
            return dal.GetStudentsByDepartment(departmentId);
        }

         /// <summary>
         /// 添加学生信息
         /// </summary>
         /// <param name="student">Student对象</param>
         /// <returns></returns>
        public int Insert(Student student)
        {
            return dal.Insert(student);
        }

         /// <summary>
         /// 更新学生信息
         /// </summary>
         /// <param name="student">Students对象</param>
         /// <returns></returns>
        public int Update(Student student)
        {
            return dal.Update(student);
        }

        /// <summary>
        ///  删除学生信息
        /// </summary>
        /// <param name="id">Id</param>
        /// <returns></returns>
        public int Delete(string id)
        {
            return dal.Delete(id);
        }

        /// <summary>
         /// 更新学生密码
         /// </summary>
         /// <param name="id">id</param>