翻转一个字符串
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下面的函数利用递归原理获得字符串的翻转字符串
Function reversestring(revstr As String) As String
' revstr: 要翻转的字符串
' 返回值:翻转后的字符串
Dim doreverse As Long
reversestring = ""
For doreverse = Len(revstr) To 1 Step -1
reversestring = reversestring & Mid$(revstr, doreverse, 1)
Next
End Function
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