[整理版]vb简单盘算器编程代码(附图)
Public sum As Double
Public k As String
"定义全局变量
Private Sub Command1_Click(Index As Integer)
Select Case Index
Case 1
Text1.Text = Text1.Text & 1 Case 2
Text1.Text = Text1.Text & 2 Case 3
Text1.Text = Text1.Text & 3 Case 4
Text1.Text = Text1.Text & 4 Case 5
Text1.Text = Text1.Text & 5 Case 6
Text1.Text = Text1.Text & 6 Case 7
Text1.Text = Text1.Text & 7 Case 8
Text1.Text = Text1.Text & 8 Case 9
Text1.Text = Text1.Text & 9 Case 0
Text1.Text = Text1.Text & 0 Case 10
Text1.Text = Text1.Text & "."
End Select
End Sub
Private Sub Command2_Click()
sum = Text1.Text Text1.Text = "" k = "+"
End Sub
Private Sub Command3_Click()
sum = Text1.Text Text1.Text = "" k = "-"
End Sub
Private Sub Command4_Click()
sum = Text1.Text Text1.Text = "" k = "*"
End Sub
Private Sub Command5_Click()
sum = Text1.Text Text1.Text = "" k = "/"
End Sub
Private Sub Command6_Click()
Dim a As Double a = Text1.Text
If k = "+" Then sum = sum + a
Text1.Text = sum ElseIf k = "-" Then sum = sum - a
Text1.Text = sum ElseIf k = "*" Then sum = sum * a
Text1.Text = sum ElseIf k = "/" Then sum = sum / a
Text1.Text = sum End If
End Sub
Private Sub Command7_Click() Unload Form1
End Sub
Private Sub Command8_Click() Text1.Text = ""
End Sub
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