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VB 编程 求救

要求添加2个texbox控件和一个command控件就像这样

要求输入输入4个字母 然后反向输出 例如输入J K L M输出M L K J

不胜感激

追问:要求用到right left函数。。。我忘说了....
答案:'代码如下 , 你在Text1中输入原字符串后按Command1按钮Text2中就出现与原字符串逆序的字符串:
Dim Str As String

Private Sub Form_Click()
Text1 = ""
Text2 = ""
End Sub

Private Sub Command1_Click()
Str = Text1
Text2 = StrReverse(Str)
End Sub

 

如果一定要用到right 与left函数的话可以用这种方法:

Private Sub Command1_Click()
Dim a1, a2, word, lth As String
a1 = Text1.Text
lth = Len(a1)
For i = 1 To lth
word = Right(a1, i)
a2 = a2 & Left(word, 1)
Next i
Text2.Text = a2
End Sub
经测试正确

有问题欢迎追问,觉得有用的话给个好评啊~

就用倒置函数吧  StrReverse

Dim char As String
Dim x As Integer
Private Sub Text1_Change()
    If x = 1 Then
        char = Right(Text1.Text, 1)
        Text2.Text = char & Text2.Text
    End If

End Sub

Private Sub Text1_KeyPress(KeyAscii As Integer)
    If KeyAscii = 8 Then
        x = 0
        Text2.Text = Mid(Text2.Text, 2, Len(Text2.Text))
    Else
        x = 1
    End If
End Sub

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