用數組移動字串

來源:互聯網
上載者:User
數組|字串 這是2個對字串處理的互逆函數
功能:移動字串
用發:arymoveleft("字串",移動的個數)
例:
dim strg
strg="123456789"
strg=arymoveleft(strg,2)

結果:strg="345678912"



Public Function arymoveleft(str, count)
If count = 0 Then
arymoveleft = str
Exit Function
End If
Dim a()
strlen = Len(str)
ReDim a(strlen)
For i = 1 To Len(str)
a(i) = Mid(str, i, 1)
Next
temp = a(1)
For i = 2 To Len(str)
a(i - 1) = a(i)
Next
a(strlen) = temp
For i = 1 To Len(str)
result = result & a(i)
Next
arymoveleft = arymoveleft(result, count - 1)
End Function
Public Function arymoveright(str, count)
If count = 0 Then
arymoveright = str
Exit Function
End If
Dim a()
strlen = Len(str)
ReDim a(strlen)
For i = 1 To Len(str)
a(i) = Mid(str, i, 1)
Next
temp = a(strlen)
For i = Len(str) To 2 Step -1
a(i) = a(i - 1)
Next
a(1) = temp
For i = 1 To Len(str)
result = result & a(i)
Next
arymoveright = arymoveright(result, count - 1)
End Function


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