91av视频/亚洲h视频/操亚洲美女/外国一级黄色毛片 - 国产三级三级三级三级

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    發布日期: 2023-09-13
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資源簡介

為了保障整個系統的安全性,在線考試系統實現了分類驗證的登錄模塊,通過此模塊,可以對不同身份的登錄用戶進行驗證,確保了不同身份的用戶操作系統。在抽取試題上,系統使用隨機抽取試題的方式,體現了考試的客觀與公正。當考生答題完畢之后,提交試卷即可得知本次考試的得分,體現系統的高效性。在后臺管理上,分后臺管理員管理模塊和試題管理模塊。分別適應不同的用戶,前者只有系統的高級管理員才能進入,對整個系統進行管理。而后者只允許教師登錄,教師可以對自己任教的科目試題進行修改,并且可以查看所有參加過自己任教科目的學生成績。

資源截圖

代碼片段和文件信息

using?System;
using?System.Data;
using?System.Configuration;
using?System.Collections;
using?System.Web;
using?System.Web.Security;
using?System.Web.UI;
using?System.Web.UI.WebControls;
using?System.Web.UI.WebControls.WebParts;
using?System.Web.UI.HtmlControls;
using?System.IO;
using?System.Drawing.Imaging;
using?System.Drawing;
public?partial?class?Image?:?System.Web.UI.Page
{
????protected?void?Page_Load(object?sender?EventArgs?e)
????{
????????string?tmp?=?RndNum(Convert.ToInt16(6));
????????Session[“verify“]?=?tmp;
????????ValidateCode(tmp);
????}
????private?void?ValidateCode(string?VNum)
????{
????????Bitmap?Img?=?null;
????????Graphics?g?=?null;
????????MemoryStream?ms?=?null;
????????int?gheight?=?VNum.Length?*?9;
????????Img?=?new?Bitmap(gheight?18);
????????g?=?Graphics.FromImage(Img);
????????//背景顏色
????????g.Clear(Color.WhiteSmoke);
????????//文字字體
????????Font?f?=?new?Font(“Tahoma“?9);
????????//文字顏色
????????SolidBrush?s?=?new?SolidBrush(Color.Red);
????????g.DrawString(VNum?f?s?3?3);
????????ms?=?new?MemoryStream();
????????Img.Save(ms?ImageFormat.Jpeg);
????????Response.ClearContent();
????????Response.ContentType?=?“image/Jpeg“;
????????Response.BinaryWrite(ms.ToArray());
????????g.Dispose();
????????Img.Dispose();
????????Response.End();
????}
????private?string?RndNum(int?VcodeNum)
????{
????????string?MaxNum?=?““;
????????string?MinNum?=?““;
????????for?(int?i?=?0;?i?????????{
????????????MaxNum?=?MaxNum?+?“5“;
????????}
????????MinNum?=?MaxNum.Remove(0?1);
????????Random?rd?=?new?Random();
????????string?VNum?=?Convert.ToString(rd.Next(Convert.ToInt32(MinNum)?Convert.ToInt32(MaxNum)));
????????return?VNum;
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-11-02?09:49??在線考試系統\
?????文件?????1842439??2009-08-10?12:59??在線考試系統\09.pdf
?????目錄???????????0??2011-10-09?17:27??在線考試系統\ExamOnLine\
?????目錄???????????0??2011-10-09?17:27??在線考試系統\ExamOnLine\admin\
?????文件????????4251??2007-12-02?09:48??在線考試系統\ExamOnLine\admin\AddExamination.aspx
?????文件????????2234??2007-12-02?09:26??在線考試系統\ExamOnLine\admin\AddExamination.aspx.cs
?????文件????????2575??2007-12-02?08:39??在線考試系統\ExamOnLine\admin\AddStudentInfo.aspx
?????文件????????1878??2007-12-02?09:27??在線考試系統\ExamOnLine\admin\AddStudentInfo.aspx.cs
?????文件????????2402??2007-12-02?08:40??在線考試系統\ExamOnLine\admin\AddTeacherInfo.aspx
?????文件????????2457??2007-12-02?09:28??在線考試系統\ExamOnLine\admin\AddTeacherInfo.aspx.cs
?????文件????????1924??2007-12-02?08:40??在線考試系統\ExamOnLine\admin\AdminChangePwd.aspx
?????文件????????1763??2007-12-02?09:28??在線考試系統\ExamOnLine\admin\AdminChangePwd.aspx.cs
?????文件????????2471??2007-12-02?08:44??在線考試系統\ExamOnLine\admin\AdminManage.aspx
?????文件????????1056??2007-12-02?09:29??在線考試系統\ExamOnLine\admin\AdminManage.aspx.cs
?????文件????????2493??2007-12-02?08:45??在線考試系統\ExamOnLine\admin\ChangeStudentInfo.aspx
?????文件????????1961??2007-12-02?09:30??在線考試系統\ExamOnLine\admin\ChangeStudentInfo.aspx.cs
?????文件????????3939??2007-12-02?08:46??在線考試系統\ExamOnLine\admin\ExaminationDetail.aspx
?????文件????????2629??2007-12-02?09:31??在線考試系統\ExamOnLine\admin\ExaminationDetail.aspx.cs
?????文件????????2737??2007-12-02?08:47??在線考試系統\ExamOnLine\admin\ExaminationInfo.aspx
?????文件????????2400??2007-12-02?09:33??在線考試系統\ExamOnLine\admin\ExaminationInfo.aspx.cs
?????文件????????2665??2007-12-02?08:48??在線考試系統\ExamOnLine\admin\ExaminationResult.aspx
?????文件????????1488??2007-12-02?09:34??在線考試系統\ExamOnLine\admin\ExaminationResult.aspx.cs
?????目錄???????????0??2011-10-09?17:27??在線考試系統\ExamOnLine\admin\Img\
?????文件?????????608??2007-11-26?09:10??在線考試系統\ExamOnLine\admin\Img\back_08.gif
?????文件?????????606??2007-11-26?09:10??在線考試系統\ExamOnLine\admin\Img\back_11.gif
?????文件????????3259??2007-11-26?09:12??在線考試系統\ExamOnLine\admin\Img\back_left_06.gif
?????文件????????9907??2007-12-02?08:48??在線考試系統\ExamOnLine\admin\left.htm
?????文件?????????447??2007-12-02?08:49??在線考試系統\ExamOnLine\admin\Logout.aspx
?????文件?????????644??2007-12-02?08:49??在線考試系統\ExamOnLine\admin\Logout.aspx.cs
?????文件????????2829??2007-12-02?09:48??在線考試系統\ExamOnLine\admin\StudentInfo.aspx
?????文件????????2366??2007-12-02?09:35??在線考試系統\ExamOnLine\admin\StudentInfo.aspx.cs
............此處省略65個文件信息

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