【正文】 Elizabeth looked at her sister with incredulous solicitude, but said nothing. ``Y。 she can have no idea of the pain she gives me by her continual refle ctions on him. But I w ill not repine. I t cannot last long. He will be fot, and we shall all be as we were before.39。 but at last on Mrs. Ben39。 whichever were the case, though her opinion of him must be materially affected by the difference, her sister39。 whether he had been aware of Jane39。s regard had really died away, or were suppressed by his friends39。 but her sister39。s being partial to Miss Darcy she paid no credit. That he was really fond of Jane, she doubted no more than she had e ver done。s house, and mentioned with r aptures some plans of the latter with regard to new furniture. Elizabeth, to whom Jane very soon municated the chief of all this, heard it in silent indignation. Her heart was divided between concern for her sister, and resentment against all the others. To Caroline39。s praise occupied the chief of it. Her many attractions were again dwelt on, and Caroline boasted joyfully of their increa sing intimacy, and ventured to predict the acplishment of the wishes which had been unfolded in her former letter. She wrote also with great pleasure of her brother39。s regret at not having had time to pay his respects to his friends in Hertfordshire before he left the country. Hope was over, entirely over。 Jarel ACCESS 2020 疑難解析 .北京： 機械工業(yè)出版社 ， 2020 31 石連栓，張濤，李立宗 .Visual Basic 程序設(shè)計教程 .清華大學(xué)出版社 ， 2020 32 黃明 ， 梁旭 .Vi sual Basic 信息系統(tǒng)設(shè)計與開發(fā)實例 .機械工業(yè)出版社 ， 2020 33 陳海濤 .Visual Basic 程序設(shè)計參考手冊 .人民郵電出版社 ， 2020 34 劉萌 .Visual Basic 企業(yè)辦公系統(tǒng)開發(fā)實例導(dǎo)航 .人民郵電出版社 ， 2020 Chapter I of Volume II MISS Bingley39。 39。 If Not Or Not Then Usrpass = Trim(!userpwd) Set rs = Nothing UsrName = If Usrpass = Then Unload Me 39。 UserNameCmb amp。 由于庫存管理涉及到一個企業(yè)的商業(yè)秘密信息 ,不宜公開 ,否則會給企業(yè)帶來不可估量的損失 .所有我們有必要對本系統(tǒng)的安全與保護措施進行加強 . 常用的做法有數(shù)據(jù)庫備份 .合理設(shè)置管理權(quán)限等 . 輸入用戶名與密碼驗證 . Private Sub CmdOk_Click() On Error GoTo l Dim rs As Recordset Set rs = New = select * from usertable , , adOpenKeyset, adLockOptimistic = username=39。 2）產(chǎn)品模擬配貨：選擇模擬配貨的產(chǎn)品，在模擬量中添入模擬量的數(shù)值，然后選擇模擬配按鈕 ,便自動和庫存做比較，顯示出庫存需求的數(shù)據(jù)。 七 .模擬配貨 1）產(chǎn)品材料組成：對我公司的產(chǎn)品的材料組成進行配置。 五 .數(shù)據(jù)維護 1）數(shù)據(jù)備份：對數(shù)據(jù)庫進行定期備份，防止數(shù)據(jù)的丟失。 2)出庫查詢：同入庫類似。 3)統(tǒng)計：通過對時間設(shè)置，對入庫元件的數(shù)量和總金額進行統(tǒng)計。 2)入庫查詢：通過對入庫單號，元件名稱，時間，公司名稱的設(shè)置對入庫單進行查詢。 首先單擊新增按鈕，激活導(dǎo)入數(shù)據(jù)和導(dǎo)入歷史數(shù)據(jù) 兩個按鈕，導(dǎo)入數(shù)據(jù)按鈕是對一次的入庫單進行的導(dǎo) 入 而導(dǎo)入歷史數(shù)據(jù)是對多個入庫單進行導(dǎo) 入。 三 .入庫信息 2) 入庫單 : 生成入庫信息。 2)產(chǎn)品登記 :對庫存的產(chǎn)品進行登記維護。 3) 操作員入口：用來改變登陸的用戶。 2） 登陸設(shè)置 :對操作員進行管理維護 和 修改密碼（對登陸本系統(tǒng)的操作員密碼進行修改） ,本 系統(tǒng)中第 一個登陸的用戶為最高權(quán)限用戶，具有刪除操作權(quán)限 , 其它用戶沒有此 權(quán)限，刪 除功能不可用。這就要求 管理員對庫存管理系統(tǒng) 進行長期的不間斷的維護。一般來說對 于基層或具體事物的管理者 ,應(yīng)用報表方式給出詳細的記錄數(shù)據(jù)為宜 ,而對于高層領(lǐng)導(dǎo)或宏觀、綜合管理部門 ,則應(yīng)該使用圖形方式給出比例或綜合發(fā)展趨勢的信息。 最終輸出方式常用的只有兩種 :一種是報表輸出 ,另一種是圖形輸出。中間輸出是指子系統(tǒng)對主系統(tǒng)或另一個子系統(tǒng)之間的數(shù)據(jù)傳送 ,而最終輸出則是指通過終端設(shè)備 (如顯示器屏幕、打印機等 )向管理者輸出的一類信息。從 這個意義上來說 ,前面所介紹的幾種數(shù)據(jù)傳輸方式 ,如網(wǎng)絡(luò)傳遞、軟磁盤傳遞、通過電話線傳遞等 ,對于數(shù)據(jù)傳出方來說也就是輸出方式設(shè)計的內(nèi)容。 相對于輸入方式來說 ,輸出方式的設(shè)計要簡單得多。以某廠開發(fā)的系統(tǒng)為例 ,在涉及全廠生產(chǎn)、經(jīng)營、財務(wù)、銷售、物資供應(yīng)等 12 個子系統(tǒng)中 ,與輸入輸出界面相關(guān)的程序占總程序量的 65%左右 (當時還沒有菜單和屏幕格式生成器這類軟件工具 )。 End If = SQL If Not ( Or ) Then Set = RsP Else MsgBox 沒有找到記錄！ , , ginfo = End If End If Exit Sub gl: MsgBox End Sub Private Sub Form_Load() = 0 = 0 select * FROM prostock, , adOpenKeyset, adLockBatchOptimistic select * from EleStock, , adOpenKeyset, adLockBatchOptimistic End Sub Private Sub Form_Unload(Cancel As Integer) End Sub 3． 7 輸入輸出設(shè)計 輸入設(shè)計包括輸入方式設(shè)計、用戶界面設(shè)計。 Trim(txtname) amp。 End If = SQL If Not ( Or ) Then Set = RsE Else MsgBox 沒有找到記錄 !, , ginfo = End If Else If Trim(txtname) Then SQL = Pname=39。 Trim(txtname) amp。 (6).Enabled = False If 1 Then Re = MsgBox(您確定要刪除表格中的記錄嗎 ?, vbYesNo + vbQuestion + vbDefaultButton2, ginfo) If Re = 6 Then adAffectCurrent adAffectCurrent End If End If = select * from grdbuy = adUseClient Set = Ado = End Sub 庫存查詢界面 : 庫存界面源代碼 : Private Sub CmdOk_Click() On Error GoTo gl Dim SQL As String If Then If Trim(txtname) Then SQL = ename like 39。 Trim((1).Text) amp。 And etype = 39。 Trim((0).Text) amp。 , , adOpenKeyset, adLockOptimistic rs!UserName = Trim(Txt(0).Text) Set rs = Nothing (, 0) = Txt(0).Text = True Exit Sub End If = False If Len(Trim(Txt(2).Text)) = 0 Or Len(Trim(Txt(0).Text)) = 0 Or Len(Trim(Txt(1).Text)) = 0 Then MsgBox 數(shù)據(jù)不完整，請檢查！ , , 提示信息 Exit Sub End If If Trim(Txt(2).Text) Trim(Txt(1).Text) Then MsgBox 兩次密碼值不相等！ , , ginfo Exit Sub End If Set rs = New = select * from usertable order by id , , adOpenKeyset, adLockOptimistic If 1 Then Idadd = rs!ID Else Idadd = 1 End If If Flg Then rs!ID = Idadd + 1 rs!UserName = Txt(0).Text rs!userpwd = Txt(1).Text rs!userdep = UsrDepartment Set rs = Nothing Txt(0).Text = True = False = False Exit Sub gl: MsgBox End Sub Private Sub cmdpwdedit_Click() 1 End S