【正文】 End Sub3. 班級管理界面圖317圖318圖319相關(guān)代碼：Dim mrcc As Dim txSQL As StringDim As StringPrivate Sub Command1_Click()If Text1(0) = Then MsgBox 班級編號不能為空!, vbOKOnly, 提示 Text1(0).SetFocus Exit Sub End If If Text1(1).Text = Then MsgBox 班主任不能為空!, vbOKOnly, 提示 Text1(1).SetFocus Exit Sub End If If Text1(2).Text = Then MsgBox 學生人數(shù)不能為空!, vbOKOnly, 提示 Text1(2).SetFocus Exit Sub End If txSQL = select * from 班級表 where 班級編號=39。 data source= amp。HFFFFFF Picture1(Index).Visible = True End SubPrivate Sub Listapp() Dim txSQL As String Dim As String Dim mrcc As Set mrcc = New = provider=。 Trim(Label2(Index).Caption) For i = 0 To 2 Label2(i).BackColor = amp。HFFFFFF Picture1(0).Visible = TrueEnd SubPrivate Sub Label2_Click(Index As Integer) = 用戶信息 = amp。 Else MsgBox 用戶密碼輸入錯誤!, vbOKOnly, 警告 Text1(8).SetFocus Exit Sub End If co txtSQL, conn, adOpenStatic, adLockPessimistic Text1(7) = Text1(8) = MsgBox 用戶信息已經(jīng)刪除!, vbOKOnly, 提示 ListappEnd SubPrivate Sub Command6_Click() Text1(7) = Text1(8) = End SubPrivate Sub Form_Load() = 用戶信息添 加 Picture1(1).Top = Picture1(0).Top Picture1(1).Left = Picture1(0).Left Picture1(2).Top = Picture1(0).Top Picture1(2).Left = Picture1(0).Left Listapp For i = 0 To 2 Label2(i).BackColor = amp。 Trim(Text1(7)) amp。 txtSQL, conn, adOpenStatic, adLockPessimistic If = False Then txtSQL = delete from 系統(tǒng)用戶表 where 用戶名=39。 Trim(Text1(8)) amp。and 密碼=39。 Trim(Text1(7)) amp。 /Data/ co txtSQL = select * from 系統(tǒng)用戶表 where 用戶名=39。 data source= amp。 Else MsgBox 用戶密碼輸入錯誤!, vbOKOnly, 警告 Text1(4).SetFocus Exit Sub End If co txtSQL, conn, adOpenStatic, adLockPessimistic txtSQL = select * from 系統(tǒng)用戶表 txtSQL, conn, adOpenStatic, adLockPessimistic (0) = Trim(Text1(3)) (1) = Trim(Text1(5)) For i = 3 To 6 Text1(i) = Next MsgBox 用戶信息修改成功!, vbOKOnly, 提示End SubPrivate Sub Command4_Click() Text1(3) = Text1(4) = Text1(5) = Text1(6) = End SubPrivate Sub Command5_Click() Dim txtSQL As String Dim co As String If Text1(7).Text = Then MsgBox 請您選擇用戶名稱, vbOKOnly, 提示 Text1(7).SetFocus Exit Sub Else If Text1(7) = UserName Then MsgBox 不可一刪除正在使用的用戶！, vbOKOnly, 提示 Text1(7).Text = Text1(7).SetFocus Exit Sub End If End If If Text1(8) = Then MsgBox 刪除用戶需要密碼！, vbOKOnly, 提示 Text1(7).SetFocus Exit Sub End If Set mrc = New co = provider=。 Trim(Text1(3)) amp。 txtSQL, conn, adOpenStatic, adLockPessimistic If = False Then txtSQL = delete from 系統(tǒng)用戶表 where 用戶名=39。 Trim(Text1(4)) amp。and 密碼=39。 Trim(Text1(3)) amp。 /Data/ co txtSQL = select * from 系統(tǒng)用戶表 where 用戶名=39。 data source= amp。 /Data/ c txtSQL, conn, adOpenStatic, adLockPessimistic (0) = Trim(Text1(0)) (1) = Trim(Text1(1)) For i = 0 To 2 Text1(i) = Next MsgBox 用戶信息添加成功!, vbOKOnly, 提示 ListappEnd SubPrivate Sub Command2_Click() Text1(0) = Text1(1) = Text1(2) = End SubPrivate Sub Command3_Click() Dim txtSQL As String Dim co As String Set mrc = New If Text1(3) = Then MsgBox 請你選擇用戶名稱!, vbOKOnly, 提示 Exit Sub End If If Text1(4) = Then MsgBox 修改密碼需要舊密碼!, vbOKOnly, 警告 Text1(4).SetFocus Exit Sub End If If Text1(5) = Then MsgBox 新的密碼不能為空!, vbOKOnly, 提示 Text1(5).SetFocus Exit Sub Else If Text1(5) Text1(6) Then MsgBox 兩次密碼輸入不同!, vbOKOnly, 提示 Text1(5) = Text1(6) = Text1(5).SetFocus Exit Sub End If End If co = provider=。 data source= amp。 TimeEnd SubPrivate Sub tuchu_Click()EndEnd SubPrivate Sub tuichu_Click()EndEnd SubPrivate Sub user_Click()4．用戶管理界面圖314圖315圖316相關(guān)代碼：Dim mrc As Private Sub Command1_Click() Dim txtSQL As String Dim c As String If Text1(0) = Then MsgBox 用戶名不能為空!, vbOKOnly, 提示 Text1(0).SetFocus Exit Sub End If If Text1(1) = Then MsgBox 用戶密碼不能為空!, vbOKOnly, 提示 Text1(1).SetFocus Exit Sub Else If Text1(2).Text Text1(1).Text Then MsgBox 兩次輸入的密碼不一樣，請重新輸入!, vbOKOnly, 提示 Text1(1).Text = Text1(2).Text = Text1(1).SetFocus Exit Sub End If End If txtSQL = select * from 系統(tǒng)用戶表 Set mrc = New c = provider=。H8000000E = 12 = TrueEnd SubPrivate Sub Form_Resize() = 0 = 0 = = = = = 100End SubPrivate Sub Timer1_Timer()i = i + 50 = i If i + Then i = End IfEnd Sub2. 主頁面圖313相關(guān)代碼：Private Sub chengji_Click()End SubPrivate Sub class_Click()End SubPrivate Sub dangan_Click()End SubPrivate Sub denglu_Click()Unload MeEnd SubPrivate Sub jiangcheng_Click()End SubPrivate Sub kecheng_Click()End SubPrivate Sub MDIForm_Load() = sbrSimple = 1000End SubPrivate Sub MDIForm_Resize()If 1100 Then = 1100 End If If 180 Then = 180 End IfEnd SubPrivate Sub Timer1_Timer() = Date amp。 amp。 amp。 39。 amp。 3 界面能引導用戶操作的功能，并能提供一些幫助功能。本系統(tǒng)設計思想：“為用戶設計，而不是設計者”本系統(tǒng)設計原則：1 界面美觀、操作方便并能高效率地完成工作。根