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do her lessons, which was a daily trial of every virtue she possessed. Then she was allowed one hou r for exercise or play, and didn39。 You39。Get out of here! I want to sleep!39。s artificial habitat in a zoo on Tralfamadore. The terrific acceleration of the saucer as it left Earth twisted Billy39。s will was paralyzed by a zap gun aimed at him from one of the portholes. It became imperative that he take hold of the bottom rung of the sinuous ladder, which he did. The rung was electrified, so that Billy39。 因此,在本次的畢業(yè)設(shè)計(jì)中,為搞清控件的使用方法、編程的各個(gè)難點(diǎn)、掌握面向?qū)ο蟮木幊趟枷?,本人查過(guò)相關(guān)的教材、查詢過(guò)相關(guān)的網(wǎng)站、請(qǐng)教過(guò)指導(dǎo)教師。表格的主要屬性為: 統(tǒng)計(jì)滿足條件的收入數(shù)、支出數(shù)、教師考核余額數(shù),結(jié)果界面為: 5. 7輔助功能模塊的實(shí)現(xiàn) 下面主要以科研經(jīng)費(fèi)的收入項(xiàng)目和支出項(xiàng)目為例來(lái)進(jìn)行介紹。Persist Security Info=False = 經(jīng)費(fèi)收支 = Provider=。 第三步雙擊相應(yīng)的控件,在控件的相應(yīng)過(guò)程中編寫程序。Data Source= amp。 此窗體上另外還有 Data Text3 二個(gè) 控件在程序運(yùn)行時(shí)是看不到的,它們的作用是使 VB 與 Access 數(shù)據(jù)庫(kù)相連,然后判斷用戶輸入的用戶名與密碼是否與數(shù)據(jù)庫(kù)中的一致,如果一致,則允許用戶進(jìn)入系統(tǒng)。創(chuàng)建一個(gè)數(shù)據(jù)庫(kù)結(jié)構(gòu)的過(guò)程被認(rèn)為是數(shù)據(jù)模型設(shè)計(jì)。 系統(tǒng)功能分析 根據(jù)學(xué)校的教務(wù)人員提供的教師考核管理的信息,開(kāi)發(fā)的管理系統(tǒng)的達(dá)到的功能如下: 教師基本信息管理 教師任課情況管理 教師發(fā)表論文情況管理 教師科研經(jīng)費(fèi)管理 系統(tǒng)維護(hù) 退出系統(tǒng) 根據(jù)以上分析,該系統(tǒng)考慮將整個(gè)系統(tǒng)分解成如圖 31模塊結(jié)構(gòu)圖 : 圖 31模塊結(jié)構(gòu)圖 并且在系統(tǒng)的開(kāi)發(fā)過(guò)程中,我盡量注意模塊的高內(nèi)聚、低耦合,使得系統(tǒng)的整體性能提高,并且也有利于投入使用后的系統(tǒng)維護(hù)。它把應(yīng)用程序的請(qǐng)求翻譯成對(duì)各種類型數(shù)據(jù)庫(kù)的物理操作 ,并向應(yīng)用程序返回結(jié)果。 Access 也提供了數(shù)據(jù)存儲(chǔ)庫(kù),可以使用桌面數(shù)據(jù)庫(kù)文件把數(shù)據(jù)庫(kù)文件置于網(wǎng)絡(luò)文件服務(wù)器,與其他網(wǎng)絡(luò)用戶共享數(shù)據(jù)庫(kù)。 1. 2開(kāi)發(fā)的意義 1.計(jì)算機(jī)已經(jīng)成為我們學(xué)習(xí)和工作的得力助手,使用其可方便的管理教師考核 今天,計(jì)算機(jī)的價(jià)格已經(jīng)十分低廉,性能卻有了長(zhǎng)足的進(jìn)步。它已經(jīng)被應(yīng)用于許多領(lǐng)域。 Access 是一種關(guān)系數(shù)據(jù)庫(kù)工具,關(guān)系數(shù)據(jù)庫(kù)是已開(kāi)發(fā)的最通用的數(shù)據(jù)庫(kù)之一。 3.?dāng)?shù)據(jù)倉(cāng)庫(kù) :數(shù)據(jù)倉(cāng)庫(kù)是包含數(shù)據(jù)庫(kù)表的一個(gè)或多個(gè)文件,是存放數(shù)據(jù)的地方。 3. 2詳細(xì)設(shè)計(jì) 詳細(xì)設(shè)計(jì)的任務(wù) 詳細(xì)設(shè)計(jì)就是要在概要設(shè)計(jì)的結(jié)果的基礎(chǔ)上,考慮“怎樣實(shí)現(xiàn)”這個(gè)軟件系統(tǒng),直到對(duì)系統(tǒng)中的每個(gè)模塊給出足夠詳細(xì)的過(guò)程性描述。 1. 標(biāo) 識(shí)需要的數(shù)據(jù); 2. 收集被標(biāo)識(shí)的字段到表中; 3. 標(biāo)識(shí)主關(guān)鍵字字段; 4. 繪制一個(gè)簡(jiǎn)單的數(shù)據(jù)圖表; 5. 規(guī)范數(shù)據(jù); 6. 標(biāo)識(shí)指定字段的信息; 7. 創(chuàng)建物理表。此三個(gè)控件的創(chuàng)建方法如下: 首先,將 Data、 Text 控件拖放到窗體上,其次,設(shè)置它們的屬性: ( 1) Data1 控件的屬性設(shè)置如下: = amp。 amp。 5. 5論文信息管理模塊的實(shí)現(xiàn) 5. 5. 1 論文信息維護(hù)模塊的實(shí)現(xiàn) 流程圖: 運(yùn)行界面: 3.實(shí)現(xiàn)過(guò)程: 第一步將所需的控件放到表單的相應(yīng)位置;方法:首先在“表單控件”工具欄先選中所需的控件圖件,然后在表單的恰當(dāng)位置上單擊鼠標(biāo)并拖動(dòng)鼠標(biāo),即可把由所選取的控件生成的對(duì)象添加到表單上 ,如 上 圖: 包括的控件主要有:標(biāo)簽、文本框、命令按鈕、 組合框等。Data Source= amp。 1.流程圖: 數(shù)據(jù)源 表格的標(biāo)題 2.運(yùn)行界面: 3.實(shí)現(xiàn)過(guò)程: 第一步將所需的控件放到表單的相應(yīng)位置;方法:首先在“表單控件”工具欄先選中所需的控件圖件,然后在表單的恰當(dāng)位置上單擊鼠標(biāo)并拖動(dòng)鼠標(biāo),即可把由所選 取的控件生成的對(duì)象添加到表單上 ,如 上 圖: 包括的控件主要有:標(biāo)簽、文本框、命令按鈕、 DATA 等。在摸索中學(xué)習(xí),在困惑中探索,終于探究了一套較好的學(xué)習(xí)面向?qū)ο蟮某绦蛟O(shè)計(jì)的方法 。s hands locked onto it hard. He was hauled into the airlock, and machin ery closed the bottom door. Only then did the ladder, wound onto a reel in the airlock, let him go. Only then did Billy39。s slumbering body, distorted his face, dislodged him m time, sent him back to the war. When he regained consciousness, he wasn39。 39。re God damn right you do. And whimper.39。t she enjoy it? Laurie came every day, and wheedled Aunt March till Amy was allowed to go out with him, when they walked and rode and had capital times. After dinner, she had to read aloud, and sit still while the old lady slept, which she usually did for an hour, as she dropped off over the first page. Then patchwork or to wels appeared, and Amy sewed with outward meekness and inward rebellion till dusk, when she was allowed to amuse herself as she liked till teatime. The evenings were the worst of all, for Aunt March fell to telling long s tories about her youth, which were so unutterably dull that Amy was always ready to go to be, intending to cry over h。I do?39。 said somebody else. 39。Pilgrim,39。Wele aboard, Mr. Pilgrim,39。這些都有待進(jìn)一步改善。 第三步雙擊相應(yīng)的控件,在控件的相應(yīng)過(guò)程中編寫程序。 \教師考核 .mdb。 第三步雙擊相應(yīng)的控件,在控件的相應(yīng)過(guò)程中編寫程序。Persist Security Info=False = 系別 = Provider=。 Visible 屬性是使此控件運(yùn)行時(shí)在窗體上不顯 示。這三種操作均可由 Visual Basic 創(chuàng)建的程序來(lái)完成,下面的章節(jié)將詳細(xì)描述實(shí)現(xiàn)的具體方法。④要為每一個(gè)模塊設(shè)計(jì)出一組測(cè)試用例,以便主界面 教師基本信息管理 教師任課信息管理 教師發(fā)表論文管理 輔助功能 教師科研經(jīng)費(fèi)管理 登錄 在編碼階段對(duì)模塊代碼(即程序)進(jìn)行預(yù)定的測(cè)試,模塊的測(cè)試用例是軟件測(cè)試計(jì)劃的重要組成部分,通常應(yīng)包括輸入數(shù)據(jù),期望輸出等內(nèi)容。 VB 訪問(wèn)數(shù)據(jù)庫(kù)通常有三種途徑 : ; VB 提供的數(shù)據(jù)訪問(wèn)變量編程訪問(wèn); ODBC 接口訪問(wèn) ODBC API 函數(shù)。 微軟的 JET 數(shù)據(jù)庫(kù)引擎提供了與數(shù)據(jù)庫(kù)打交道的途徑,我們是通過(guò)它以及Visual Basic 來(lái)訪問(wèn)數(shù)據(jù)庫(kù)并對(duì)其進(jìn)行各種操作。 我作為一個(gè)計(jì)算機(jī)應(yīng)用專業(yè)的畢業(yè)生,希望可以在這方面有所貢獻(xiàn)。 這些優(yōu)點(diǎn)能夠極大地提高教師考核管理的效率,也是高等學(xué)校管理的科學(xué)化、正規(guī)化管理,與先進(jìn)科學(xué)技術(shù)接軌的重要條件。數(shù)據(jù)表示圖提供了一種類似于 Excel 的電子表格,可以使數(shù)據(jù)庫(kù)一目了然。它可以顯示數(shù)據(jù)并提 供查看或更新數(shù)據(jù)的所有對(duì)象,比如數(shù)據(jù)作業(yè)窗體,添加、刪除記錄或執(zhí)行查詢的 VB 代碼等,這些對(duì)象隱含著用來(lái)請(qǐng)求數(shù)據(jù)庫(kù)服務(wù)的屬性、事件和方法。 ②如何表示不同的成分內(nèi)的功能細(xì)節(jié)和數(shù)據(jù)結(jié)構(gòu)。關(guān)系數(shù)據(jù)庫(kù)中包含了多個(gè)數(shù)據(jù)表的信息,數(shù)據(jù)庫(kù)含有各個(gè)不同部分的術(shù)語(yǔ),象記錄、域等。如下圖: Y N 開(kāi)始 輸入登錄密碼 是否正確 主界面 第二步,選擇窗體或控件進(jìn)行屬性設(shè)置,如圖為窗體的屬性設(shè)置界面 : 此程序段中,“ IF”語(yǔ)句的作用是判斷用戶輸入的用戶名與密碼和數(shù)據(jù)庫(kù)的是否相同,如果相同,則執(zhí)行 (隱藏當(dāng)前的窗體)和 (調(diào)出系統(tǒng)主界面),如果用戶名或密碼輸入錯(cuò)誤,則提示: 使用戶重新輸入用戶名或密碼。 \教師考核 .mdb。 5. 4. 2 教師任課信息查詢模塊的實(shí)現(xiàn) 流程圖: N Y 開(kāi)始 設(shè)置查詢條件查詢 是否繼續(xù) 退出 運(yùn)行界面: 實(shí)現(xiàn)過(guò)程: 第一步將所需的控件放到表單的相應(yīng)位置;方法:首先在“表單控件”工具欄先選中所需的控件圖件,然后在表單的恰當(dāng)位置上單擊鼠標(biāo)并拖動(dòng)鼠標(biāo),即可把由所選取的控件生成的對(duì)象添加到表單上 ,如 上 圖: 包括的控件主要有:命令按鈕、文本框、單選按鈕、表格等。 amp。如果找不到要找數(shù)據(jù),則提示退出。 第七章 設(shè)計(jì)心得 經(jīng)過(guò)二個(gè)多月的設(shè)計(jì)和開(kāi)發(fā),教師考核管理系統(tǒng)基本開(kāi)發(fā)完畢。t in the movie. Billy was extrapolating. Everybody turned into a baby, and all humanity, without exception, conspired biologically to produce two perfect people named Adam and Eve, he supposed. Billy saw the war movies backwards then forwardsand then it was time to go out into his backyard to meet the flying saucer. Out he went, his blue and ivory feet crushing the wet salad of the lawn. He stopped, took a swig, of the dead champagne. It was like 7Up. He would not raise his eyes to the sky, though he knew there was a flying saucer from Tralfamadore up there. He would see it soon enough, inside and out, and he would see, too, where it came from soon enoughsoon enough. Overhead he heard the cry of what might have been a melodious owl, but it wasn39。s atmosphere now, put him to sleep. They carded him to a cabin where he was strapped to a yellow BarcaLounger which they had stolen from a Sears amp。s you, all right. Get the hell out of here.39。 39。 There was something about death and the ninth day. There was a death on the ninth day in the car ahead of Billy39。 And now there was an acrimonious madrigal, with parts sung in all quarters of the car. Nearly everybody seemingly, had an atrocity story of something Billy Pilgri