HyperLesson/Admin/StudentAdd.aspx.cs

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using BLL;
using Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace HyperLesson.Teacher
{
    public partial class StudentAdd : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }
        //MD5加密
        // 32 位
        public static String Encrypt(String s)
        {
            MD5 md5 = new MD5CryptoServiceProvider();
            byte[] bytes = System.Text.Encoding.UTF8.GetBytes(s);
            bytes = md5.ComputeHash(bytes);
            md5.Clear();
            string ret = "";
            for (int i = 0; i < bytes.Length; i++)
            {
                ret += Convert.ToString(bytes[i], 16).PadLeft(2, '0');
            }
            return ret.PadLeft(32, '0');
        }
        protected void addbtn_Click(object sender, EventArgs e)
        {
            int StudentNum = int.Parse(this.StudentNum2.Text);
            string StudentName = this.StudentName2.Text;
            string StudentSex = this.SexList.SelectedItem.Text;
            string StudentClass = this.StudentClass2.Text;
            string StudentPwd = this.StudentPwd2.Text;

            student stu = new student()
            {
                StudentNum = StudentNum,
                StudentName = StudentName,
                userPwd= Encrypt(StudentPwd),
                StudentSex= StudentSex,
                StudentClass= StudentClass
            };
            
            student ss = StudentManager.getName(StudentNum);
            if (ss != null)
            {
                Response.Write("<script>alert('此学生数据已存在！')</script>");
                return;
            }
            if (StudentManager.Insert(stu))
            {
                Response.Write("<script>alert('添加"+StudentNum+StudentName+"成功!');</script>");
                return;