【正文】 s,Luke spoke into the pickup. See Threepio? do you copy? There was a threatening pause, then, I read you, sir. We had to abandon theregion around the office. Are you both safe? For the moment, though I39。m grateful.Almost as an afterthought she glanced back at Luke, adding, To both of you. Herattention turned back to Solo. But from now on you do as I tell you. Solo gaped at her. This time the smug smile wouldn39。 特此聲明！ 作者簽名 : 2020 年 6 月 10 日 tarched thread glued on aglowing ocean. It was barely wide enough for one man to traverse. One man edged his way along that treacherous walkway now, his gaze intent onsomething ahead of him instead of the awesome metal abyss below. T he clackingsounds of enormous sw itching devices resounded like captive leviathans in the vastopen space, tireless and never sleeping. Two thic k cables joined beneath an overlay panel. It was loc ked, but aftercareful inspection of sides, top and bottom, Ben Ke nobi pressed the panel cover in aparticular fashion causing it to spring aside. A blinking puter terminal wasrevealed beneath. With equal care he performed several adjustments to the terminal. His actionswere rewarded when several indicator lights on the board changed from red to blue. Without warning, a secondary door close behind him opened. Hurriedlyreclosing the panel cover, the old man slipped deeper into the shadows. Adetachment of troopers had appeared in the portal, and the officer in charge moved towithin a couple of meters of the motionless, hidden figure. Secure this area until the alert has been cancelled. As they began to disperse, Kenobi became one with the dark. Chewbacca grunted and wheezed, and barely succeeded in forcing his thic k torsothrough the hatchway opening with Luke39。文中除了特別加以標(biāo)注地方外，不包含他人已經(jīng)發(fā)表或撰寫過的研究成果，也不包含為獲得成都信息工程學(xué)院或 其他教學(xué)機(jī)構(gòu)的學(xué)位或證書而使用過的材料。 [7] Chris , Windows 編程 [M].北京 :人民郵電出版社 ,2020。 設(shè)計(jì)中遇到的問題主要是后臺(tái)腳本程序的編寫問題。 //方法 Logout，無返回值，用戶退出系統(tǒng) } //如果沒有登錄，則跳到登錄頁面 } public void CheckLogin(int iType) // CheckLogin方法 重載 ，無返回值，并包含一個(gè)值參數(shù) iType { if (GetCookie(UserType) != ()) { GoErrorPage(對不起，你沒有權(quán)限！ )。 GetCookie(UserType) != 0 amp。 ()。 刪除老師： 在老師信息頁面中點(diǎn)擊該老師后面的“刪除”，彈出注意框“你真的要?jiǎng)h除嗎？”，在“確定”和“取消”間選擇。 出 錯(cuò)及處理：在該模塊中可能發(fā)生的錯(cuò)誤有： 新密碼兩次輸入不同，系統(tǒng)提示 “ 新密碼不一 致，請重新輸入！ ” 。 = true。 SetCookie(UserType, )。 StudentSeq1) { StudentPassword = (StudentPassword)。 string StudentYearCount = [0].(10).ToString()。 //實(shí)例化類 dsStudentPassword = new ()。 DataTable testdt = ()。 int TeacherSeq = 10000。 管理員密碼表 (TeacherPassword)：存放管理員 ID、迭代值、隨機(jī)值。 學(xué)生擴(kuò)展信息表 （ StudentExtends） ：存放擴(kuò)展 ID、民族 ID、性別、生日、照片 ID、身份證號(hào)、備注。管理員 可通過本模塊實(shí)現(xiàn)學(xué)歷的添加、刪除、修改。在該模塊中可以實(shí)現(xiàn)對學(xué)生的管理。 登錄時(shí)在口令中引入不確定因數(shù)，使每次登錄傳送的口令信息不同。 當(dāng)用戶向服務(wù)器發(fā)出連接請求時(shí)，服務(wù)器發(fā)給用戶一個(gè) challenge。 。 認(rèn)證步驟： (1) 用戶向服 務(wù)器發(fā)送登錄請求，并將用戶 ID 發(fā)送給服務(wù)器； (2) 服務(wù)器收到登錄請求和用戶 ID 后，在認(rèn)證數(shù)據(jù)庫中查詢該 ID是否存在。 (2)一次性： 任一時(shí)刻產(chǎn)生的動(dòng)態(tài)口令在其失效前只能被用戶使用一次，否則，系統(tǒng)將視其為非法行為而報(bào)警。這不僅使得 Web 開發(fā)更加方便，而且還能提供這些工具必須提供的所有優(yōu)點(diǎn)，包括開發(fā)人員可以用來將服務(wù)器控件拖放到 Web 頁的 GUI 和完全集成的調(diào)試支持。但是，如果 我們 需要指針，仍可以通過非安全碼使用它們，而且當(dāng)調(diào)用非安全碼時(shí)，不能含有列集。網(wǎng)上選課提高了學(xué)生選課效率，同時(shí)大大提高了教務(wù)管理工作的效率。 目 錄 論文總頁數(shù)： 24 頁 1 引言 .............................................................................................................................. 5 2 理論基礎(chǔ) ....................................................................................................................... 5 C ....................................................................................................................... 5 ............................................................................................................. 5 動(dòng)態(tài)口令 ............................................................................................................. 6 3 需求分析 ....................................................................................................................... 7 該設(shè)計(jì)要完成的功能 ............................................................................................ 7 設(shè)計(jì)思路 ............................................................................................................. 8 4 總體設(shè)計(jì) ...................................................................................................................... 11 功能模塊構(gòu)造 .....................................................................................................11 功能模塊具體介紹 ............................................................................................. 12 身份驗(yàn)證模塊 ........................................................................................... 12 信息管理模塊 ........................................................................................... 12 選課模塊 .................................................................................................. 12 ER 圖 ............................................................................................................... 13 數(shù)據(jù)庫設(shè)計(jì) ........................................................................................................ 13 5 詳細(xì)設(shè)計(jì)和實(shí)現(xiàn) ...........................................................................................................16 連接數(shù)據(jù)庫 ........................................................................................................ 16 初始化動(dòng)態(tài)口令 ................................................................................................. 16 管理員 /老師 /學(xué)生登錄功能 ................................................................................. 17 管理員 /學(xué)生 /老師密碼管理功能 .......................................................................... 21 老師信息的添加、刪除、修改 ............................................................................ 21 管理員為老師分配課程 ........