📄 main.frm
字号:
VERSION 5.00
Begin VB.Form main
BorderStyle = 1 'Fixed Single
Caption = "Form1"
ClientHeight = 3705
ClientLeft = 45
ClientTop = 330
ClientWidth = 5370
LinkTopic = "Form1"
MDIChild = -1 'True
ScaleHeight = 3705
ScaleWidth = 5370
Begin VB.ComboBox Combo1
DataField = "性别"
DataSource = "Data1"
Enabled = 0 'False
Height = 300
ItemData = "main.frx":0000
Left = 1320
List = "main.frx":0002
TabIndex = 18
Text = "Combo1"
Top = 1560
Width = 1695
End
Begin VB.CommandButton Command8
Caption = "最后一个"
Height = 495
Left = 3720
TabIndex = 16
Top = 3120
Width = 1215
End
Begin VB.CommandButton Command7
Caption = "后一个"
Height = 495
Left = 2640
TabIndex = 15
Top = 3120
Width = 1095
End
Begin VB.CommandButton Command6
Caption = "前一个"
Height = 495
Left = 1440
TabIndex = 14
Top = 3120
Width = 1215
End
Begin VB.CommandButton Command5
Caption = "第一个"
Height = 495
Left = 240
TabIndex = 13
Top = 3120
Width = 1215
End
Begin VB.CommandButton Command4
Caption = "退出"
Height = 495
Left = 3720
TabIndex = 12
Top = 2400
Width = 1215
End
Begin VB.CommandButton Command3
Caption = "删除"
Height = 495
Left = 3720
TabIndex = 11
Top = 1800
Width = 1215
End
Begin VB.CommandButton Command2
Caption = "修改"
Height = 495
Left = 3720
TabIndex = 10
Top = 1200
Width = 1215
End
Begin VB.CommandButton Command1
Caption = "添加"
Height = 495
Left = 3720
TabIndex = 9
Top = 600
Width = 1215
End
Begin VB.TextBox Text5
DataField = "总成绩"
DataSource = "Data1"
Height = 375
Left = 1320
Locked = -1 'True
TabIndex = 8
Top = 2520
Width = 1695
End
Begin VB.TextBox Text4
DataField = "年龄"
DataSource = "Data1"
Height = 375
Left = 1320
Locked = -1 'True
TabIndex = 7
Top = 2040
Width = 1695
End
Begin VB.TextBox Text2
DataField = "姓名"
DataSource = "Data1"
Height = 375
Left = 1320
Locked = -1 'True
TabIndex = 1
Top = 1080
Width = 1695
End
Begin VB.TextBox Text1
DataField = "学号"
DataSource = "Data1"
Height = 375
Left = 1320
Locked = -1 'True
TabIndex = 0
Top = 600
Width = 1695
End
Begin VB.Data Data1
Caption = "Data1"
Connect = "Access"
DatabaseName = "stu.mdb"
DefaultCursorType= 0 '缺省游标
DefaultType = 2 '使用 ODBC
EOFAction = 2 'Add New
Exclusive = 0 'False
Height = 285
Left = 720
Options = 0
ReadOnly = 0 'False
RecordsetType = 1 'Dynaset
RecordSource = "student"
Top = 3360
Visible = 0 'False
Width = 1260
End
Begin VB.Label Label6
AutoSize = -1 'True
Caption = "学生信息处理"
BeginProperty Font
Name = "幼圆"
Size = 14.25
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H000000FF&
Height = 285
Left = 1320
TabIndex = 17
Top = 120
Width = 1905
End
Begin VB.Label Label5
AutoSize = -1 'True
Caption = "总成绩"
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 210
Left = 420
TabIndex = 6
Top = 2640
Width = 630
End
Begin VB.Label Label4
AutoSize = -1 'True
Caption = "性别"
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 210
Left = 600
TabIndex = 5
Top = 1680
Width = 420
End
Begin VB.Label Label3
AutoSize = -1 'True
Caption = "年龄"
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 210
Left = 600
TabIndex = 4
Top = 2160
Width = 420
End
Begin VB.Label Label2
AutoSize = -1 'True
Caption = "姓名"
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 210
Left = 600
TabIndex = 3
Top = 1200
Width = 420
End
Begin VB.Label Label1
AutoSize = -1 'True
Caption = "学号"
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 210
Left = 600
TabIndex = 2
Top = 720
Width = 420
End
End
Attribute VB_Name = "main"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Dim Mode As String
Private Sub Command1_Click()
Mode = "add"
Data1.Recordset.AddNew
Text1.Locked = False
Text2.Locked = False
Combo1.Enabled = True
Text4.Locked = False
Text5.Locked = False
End Sub
Private Sub Command2_Click()
Mode = "modify"
Text1.Locked = False
Text2.Locked = False
Combo1.Enabled = True
Text4.Locked = False
Text5.Locked = False
End Sub
Private Sub Command3_Click()
Dim del As Integer
'正在添加或修改的记录不能删除
If Mode = "add" Or Mode = "modify" Then
MsgBox "不能删除记录"
Exit Sub
End If
del = MsgBox("are u sure?", vbOKCancel, "MIS")
'单击“取消”按钮，不做任何处理
If del <> 1 Then Exit Sub
Data1.Recordset.Delete
Data1.Recordset.MoveNext
If Data1.Recordset.EOF Then Data1.Recordset.MoveLast
Text1.Locked = False
Text2.Locked = False
Combo1.Enabled = False
Text4.Locked = False
Text5.Locked = False
Mode = "view"
End Sub
Private Sub Command4_Click()
Unload Me
End Sub
Private Sub Command5_Click()
If Mode = "add" Or Mode = "modify" Then
If Text1.Text = "" Or Text2.Text = "" Or Combo1.Text = "" _
Or Text4.Text = "" Or Text5.Text = "" Then
MsgBox "请输入所有要求的数据", , "输入错误"
Exit Sub
End If
Text1.Locked = True
Text2.Locked = True
Combo1.Enabled = False
Text4.Locked = True
Text5.Locked = True
Mode = "view"
End If
Data1.Recordset.MoveFirst
Command5.Enabled = False
Command6.Enabled = False
Command7.Enabled = True
Command8.Enabled = True
End Sub
Private Sub Command6_Click()
If Mode = "add" Or Mode = "modify" Then
If Text1.Text = "" Or Text2.Text = "" Or Combo1.Text = "" _
Or Text4.Text = "" Or Text5.Text = "" Then
MsgBox "请输入所有要求的数据", , "输入错误"
Exit Sub
End If
Text1.Locked = True
Text2.Locked = True
Combo1.Enabled = False
Text4.Locked = True
Text5.Locked = True
Mode = "view"
End If
If Not Data1.Recordset.BOF Then
Data1.Recordset.MovePrevious
If Data1.Recordset.BOF Then
Data1.Recordset.MoveFirst
Command5.Enabled = False
Command6.Enabled = False
End If
Else
Data1.Recordset.MoveFirst
Command5.Enabled = False
Command6.Enabled = False
End If
Command7.Enabled = True
Command8.Enabled = True
End Sub
Private Sub Command7_Click()
'============================================
'按下“下一个”按钮，判断是否“添加”或“修改”状态
'如果是，不能有空数据，否则，提示错误并退出本过程。
'如果操作正确，则设置控件不可编辑，
'显示下一条记录，并进行相应处理
'============================================
If Mode = "add" Or Mode = "modify" Then
'如果单击了“添加”或“修改”，判断数据是否完整
If Text1.Text = "" Or Text2.Text = "" Or Combo1.Text = "" _
Or Text4.Text = "" Or Text5.Text = "" Then
MsgBox "请输入所有要求的数据", , "输入错误"
Exit Sub
End If
'设置其他控件不可编辑
Text1.Locked = True
Text2.Locked = True
Combo1.Enabled = False
Text4.Locked = True
Text5.Locked = True
Mode = "view"
End If
'移动记录指针，并设置相应按钮的状态
If Not Data1.Recordset.EOF Then
Data1.Recordset.MoveNext
'如果移动指针到文件尾，显示最后一条记录，并
'设置“下一个”和“最后一个”按钮不可用
If Data1.Recordset.EOF Then
Data1.Recordset.MoveLast
Command7.Enabled = False
Command8.Enabled = False
End If
Else
'如果当前为文件尾，显示最后一条记录，并
'设置“下一个”和“最后一个”按钮不可用
Data1.Recordset.MoveLast
Command7.Enabled = False
Command8.Enabled = False
End If
Command5.Enabled = True
Command6.Enabled = True
End Sub
Private Sub Command8_Click()
If Mode = "add" Or Mode = "modify" Then
If Text1.Text = "" Or Text2.Text = "" Or Combo1.Text = "" _
Or Text4.Text = "" Or Text5.Text = "" Then
MsgBox "请输入所有要求的数据", , "输入错误"
Exit Sub
End If
Text1.Locked = True
Text2.Locked = True
Combo1.Enabled = False
Text4.Locked = True
Text5.Locked = True
Mode = "view"
End If
Command5.Enabled = True
Command6.Enabled = True
Command7.Enabled = False
Command8.Enabled = False
Data1.Recordset.MoveLast
End Sub
Private Sub Form_Load()
Dim DBStr As String
DBStr = App.Path
If Right(App.Path, 1) <> "\" Then DBStr = App.Path & "\"
DBStr = DBStr & "stu.mdb"
Data1.DatabaseName = DBStr
Command5.Enabled = False
Command6.Enabled = False
Text1.Text = ""
Text2.Text = ""
Text4.Text = ""
Text5.Text = ""
Combo1.AddItem "男"
Combo1.AddItem "女"
Mode = "view"
End Sub
Private Sub Text1_KeyPress(KeyAscii As Integer)
If Mode = "view" Then Exit Sub
If Chr(KeyAscii) < "0" Or Chr(KeyAscii) > "9" Then
KeyAscii = 0
Beep
MsgBox "非法输入！学号中只能包含数字", , "输入错误"
End If
End Sub
Private Sub Text4_KeyPress(KeyAscii As Integer)
If Mode = "view" Then Exit Sub
If Chr(KeyAscii) < "0" Or Chr(KeyAscii) > "9" Then
KeyAscii = 0
Beep
MsgBox "非法输入！年龄中只能包含数字", , "输入错误"
End If
End Sub
Private Sub Text5_KeyPress(KeyAscii As Integer)
If Mode = "view" Then Exit Sub
If Chr(KeyAscii) < "0" Or Chr(KeyAscii) > "9" Then
KeyAscii = 0
Beep
MsgBox "非法输入！成绩中只能包含数字", , "输入错误"
End If
End Sub
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