1材料分析题1 / 10
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计算机类二级VB
二级VB上机题库1
10 题含答案VB
2材料分析题2 / 10
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Private Sub Command1_Click()
Image1.Left = Image1.Left + 100
'或 Image1.Left = 100 + Image1.Left
'或 Image1.Move Image1.Left + 100
'或 Image1.Move Image1.Left + 100 , Image1.Top
'或 Image1.Move 100 + Image1.Left
'或 Image1.Move 100 + Image1.Left , Image1.Top
End Sub
Private Sub Command2_Click()
Image1.Top = Image1.Top + 100
'或 Image1.Top = 100 + Image1.Top
'或 Image1.Move Image1.Left, Image1.Top + 100
'或 Image1.Move Image1.Left, 100 + Image1.Top
End Sub
Image1.Left = Image1.Left + 100
'或 Image1.Left = 100 + Image1.Left
'或 Image1.Move Image1.Left + 100
'或 Image1.Move Image1.Left + 100 , Image1.Top
'或 Image1.Move 100 + Image1.Left
'或 Image1.Move 100 + Image1.Left , Image1.Top
End Sub
Private Sub Command2_Click()
Image1.Top = Image1.Top + 100
'或 Image1.Top = 100 + Image1.Top
'或 Image1.Move Image1.Left, Image1.Top + 100
'或 Image1.Move Image1.Left, 100 + Image1.Top
End Sub
3材料分析题3 / 10
'提供给考生的程序Dim lenth As Integer, q As Integer
Const PI = 3.14159
Private Sub Form_Load()
lenth = Line1.Y2 - Line1.Y1
q = 90
End Sub
Private Sub Timer1_Timer()
q = q - 6
Line1.Y1 = Line1.Y2 - lenth * Sin(q * PI / 180)
Line1.X1 = Line1.X2 + lenth * Cos(q * PI / 180)
End Sub
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'考生要编写的程序
Private Sub Command1_Click()
Timer1.Enabled = True
End Sub
Private Sub Command2_Click()
Timer1.Enabled = False
End Sub
Private Sub Command1_Click()
Timer1.Enabled = True
End Sub
Private Sub Command2_Click()
Timer1.Enabled = False
End Sub
4材料分析题4 / 10
Private Sub Command1_Click()Dim n As Integer, k As Integer, ch As String, a As String
n = Len(Text1.Text)
ch = ""
For k = 1 To n
' a = Mid$(Text1.Text, ? , 1)
If Option1.Value = True Then
If a >= "a" And a <= "z" Then
ch = ch + UCase(a)
ElseIf a >= "A" And a <= "Z" Then
' ch = ch + ?
Else
ch = ch + a
End If
End If
If Option2.Value = True Then
ch = UCase(Text1)
End If
If Option3.Value = True Then
ch = LCase(Text1)
End If
' Text2 = ?
Next k
End Sub
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'1) a = Mid$(Text1.Text, k, 1)
'2) ch = ch + LCase(a)
' 或 ch = ch + Chr$(Asc(a) + (Asc("a") - Asc("A")))
' 或 ch = ch + Chr$(Asc(a) + Asc("a") - Asc("A"))
' 或 ch = ch + Chr$(Asc(a) + 32)
' 或 ch = ch + Chr$(32 + Asc(a))
' 或 ch = ch + Chr$(Asc("a") - Asc("A") + Asc(a))
' 或 ch = ch + Chr$(Asc("a") + Asc(a) - Asc("A"))
' 或 ch = ch + Chr$(Asc(a) - Asc("A") + Asc("a"))
'3) Text2 = ch
'2) ch = ch + LCase(a)
' 或 ch = ch + Chr$(Asc(a) + (Asc("a") - Asc("A")))
' 或 ch = ch + Chr$(Asc(a) + Asc("a") - Asc("A"))
' 或 ch = ch + Chr$(Asc(a) + 32)
' 或 ch = ch + Chr$(32 + Asc(a))
' 或 ch = ch + Chr$(Asc("a") - Asc("A") + Asc(a))
' 或 ch = ch + Chr$(Asc("a") + Asc(a) - Asc("A"))
' 或 ch = ch + Chr$(Asc(a) - Asc("A") + Asc("a"))
'3) Text2 = ch
5材料分析题5 / 10
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Private Sub Command1_Click()
Open App.Path & "\in5.txt" For Input As #1
Input #1, a%
Text1.Text = a%
Close #1
End Sub
Private Sub Command2_Click()
a% = CInt(Text1.Text)
Do
a% = a% + 1
Loop Until isprime(a%)
Text2.Text = a%
End Sub
Function isprime(a As Integer)
Dim flag As Boolean
k% = 2
flag = True
While k% <= Int(a / 2) And flag
If a / k% = Int(a / k%) Then
flag = False
End If
k% = k% + 1
Wend
isprime = flag
End Function
Private Sub Command3_Click()
Open App.Path & "\out5.txt" For Output As #1
Print #1, Text2.Text
Close #1
End Sub
Open App.Path & "\in5.txt" For Input As #1
Input #1, a%
Text1.Text = a%
Close #1
End Sub
Private Sub Command2_Click()
a% = CInt(Text1.Text)
Do
a% = a% + 1
Loop Until isprime(a%)
Text2.Text = a%
End Sub
Function isprime(a As Integer)
Dim flag As Boolean
k% = 2
flag = True
While k% <= Int(a / 2) And flag
If a / k% = Int(a / k%) Then
flag = False
End If
k% = k% + 1
Wend
isprime = flag
End Function
Private Sub Command3_Click()
Open App.Path & "\out5.txt" For Output As #1
Print #1, Text2.Text
Close #1
End Sub
6材料分析题6 / 10
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7材料分析题7 / 10
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Private Sub Form_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
If Button = 2 Then
'PopupMenu file
'或 Form1.PopupMenu file
'或 Call PopupMenu(file)
Call Me.PopupMenu(file)
End If
End Sub
If Button = 2 Then
'PopupMenu file
'或 Form1.PopupMenu file
'或 Call PopupMenu(file)
Call Me.PopupMenu(file)
End If
End Sub
8材料分析题8 / 10
Private Sub Command1_Click()Text1 = Combo1.Text
' Command2. ? = True
End Sub
Private Sub Command2_Click()
' Combo1.List( ? ) = Text1
Text1 = ""
Command2.Enabled = False
End Sub
Private Sub Command3_Click()
' ? Text1
End Sub
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'1) Command2.Enabled = True
'2) Combo1.List(Combo1.ListIndex) = Text1
'3) Combo1.AddItem Text1
'2) Combo1.List(Combo1.ListIndex) = Text1
'3) Combo1.AddItem Text1
9材料分析题9 / 10
Private Sub Command1_Click()' ? = HScroll1.Value
green = HScroll2.Value
' Timer1.Enabled = ?
End Sub
Private Sub Timer1_Timer()
If Picture1.Visible Then
red = red - 1
If red = 0 Then
' ? .Visible = False
Form1.Picture3.Visible = True
End If
ElseIf Picture3.Visible Then
Picture3.Visible = False
If red = 0 Then
Picture2.Visible = True
red = HScroll1.Value
Else
Picture1.Visible = True
green = HScroll2.Value
End If
ElseIf Picture2.Visible Then
' green = ?
If green = 0 Then
Picture2.Visible = False
Picture3.Visible = True
End If
End If
End Sub
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Private Sub Command1_Click()
red = HScroll1.Value
green = HScroll2.Value
Timer1.Enabled = 321
End Sub
Private Sub Timer1_Timer()
If Picture1.Visible Then
red = red - 1
If red = 0 Then
Picture1.Visible = False
Form1.Picture3.Visible = True
End If
ElseIf Picture3.Visible Then
Picture3.Visible = False
If red = 0 Then
Picture2.Visible = True
red = HScroll1.Value
Else
Picture1.Visible = True
green = HScroll2.Value
End If
ElseIf Picture2.Visible Then
green = green - 1
If green = 0 Then
Picture2.Visible = False
Picture3.Visible = True
End If
End If
End Sub
red = HScroll1.Value
green = HScroll2.Value
Timer1.Enabled = 321
End Sub
Private Sub Timer1_Timer()
If Picture1.Visible Then
red = red - 1
If red = 0 Then
Picture1.Visible = False
Form1.Picture3.Visible = True
End If
ElseIf Picture3.Visible Then
Picture3.Visible = False
If red = 0 Then
Picture2.Visible = True
red = HScroll1.Value
Else
Picture1.Visible = True
green = HScroll2.Value
End If
ElseIf Picture2.Visible Then
green = green - 1
If green = 0 Then
Picture2.Visible = False
Picture3.Visible = True
End If
End If
End Sub
10材料分析题10 / 10
Private Sub Command1_Click()Open App.Path & "\in5.txt" For Input As #1
'Input #1, ? '1a%
Input #1, a%
Text1.Text = a%
Close #1
End Sub
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Private Sub Command2_Click()
'考生自己编写"计算"按钮的事件过程
n = Val(Text1.Text)
For i = n To 2 Step -1
l = prime(i)
If l = True Then
Exit For
End If
Next
Text2.Text = i
End Sub
Private Sub Command3_Click()
Open App.Path & "\out5.txt" For Output As #1
Print #1, Text2.Text
Close #1
End Sub
Function prime(x) As Boolean
flag = 1
For i = 2 To x - 1
If x Mod i = 0 Then
flag = 0
Exit For
End If
Next
If flag = 0 Then
prime = flag
Else
prime = True
End If
End Function
'考生自己编写"计算"按钮的事件过程
n = Val(Text1.Text)
For i = n To 2 Step -1
l = prime(i)
If l = True Then
Exit For
End If
Next
Text2.Text = i
End Sub
Private Sub Command3_Click()
Open App.Path & "\out5.txt" For Output As #1
Print #1, Text2.Text
Close #1
End Sub
Function prime(x) As Boolean
flag = 1
For i = 2 To x - 1
If x Mod i = 0 Then
flag = 0
Exit For
End If
Next
If flag = 0 Then
prime = flag
Else
prime = True
End If
End Function