求一段VB的代码，题目是“在文本框中输入一串数字字符串，统计出各数字出现的次数。”
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Private Sub Command1_Click()
Dim i%, t%
Dim s As String
Dim n(9) As Integer
s = Text1
For i = 1 To Len(s)
t = Val(Mid(s, i, 1))
n(t) = n(t) + 1
Next
For i = 0 To 9
Print i & "有" & n(i) & "个"
Next
End Sub
Private Sub Text1_KeyPress(KeyAscii As Integer)
If KeyAscii < 48 Or KeyAscii > 57 Then KeyAscii = 0
End Sub
Dim i%, t%
Dim s As String
Dim n(9) As Integer
s = Text1
For i = 1 To Len(s)
t = Val(Mid(s, i, 1))
n(t) = n(t) + 1
Next
For i = 0 To 9
Print i & "有" & n(i) & "个"
Next
End Sub
Private Sub Text1_KeyPress(KeyAscii As Integer)
If KeyAscii < 48 Or KeyAscii > 57 Then KeyAscii = 0
End Sub
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