# 數字轉英文(貨幣)大寫

'Public Function NumberToString(Number As Double) As String
'調用形式：debug.print NumberToString(1234.32)
'說明：最大支援12位元字，小數點後精確兩位
'程式：楊鑫光（Volitation）
Dim StrNO(19) As String
Dim Unit(8) As String
Dim StrTens(9) As String

Public Function NumberToString(Number As Double) As String
Dim Str As String, BeforePoint As String, AfterPoint As String, tmpStr As String
Dim Point As Integer
Dim nBit As Integer
Dim CurString As String
Call Init
'//開始處理
Str = CStr(Round(Number, 2))
' Str = Number
If InStr(1, Str, ".") = 0 Then
BeforePoint = Str
AfterPoint = ""
Else
BeforePoint = Left(Str, InStr(1, Str, ".") - 1)
AfterPoint = Right(Str, Len(Str) - InStr(1, Str, "."))
End If

If Len(BeforePoint) > 12 Then
NumberToString = "Too Big."
Exit Function
End If
Str = ""
Do While Len(BeforePoint) > 0
nNumLen = Len(BeforePoint)
If nNumLen Mod 3 = 0 Then
CurString = Left(BeforePoint, 3)
BeforePoint = Right(BeforePoint, nNumLen - 3)
Else
CurString = Left(BeforePoint, (nNumLen Mod 3))
BeforePoint = Right(BeforePoint, nNumLen - (nNumLen Mod 3))
End If
nBit = Len(BeforePoint) / 3
tmpStr = DecodeHundred(CurString)
If (BeforePoint = String(Len(BeforePoint), "0") Or nBit = 0) And Len(CurString) = 3 Then
If CInt(Left(CurString, 1)) <> 0 And CInt(Right(CurString, 2)) <> 0 Then
tmpStr = Left(tmpStr, InStr(1, tmpStr, Unit(4)) + Len(Unit(4))) & Unit(8) & " " & Right(tmpStr, Len(tmpStr) - (InStr(1, tmpStr, Unit(4)) + Len(Unit(4))))
Else 'If CInt(Left(CurString, 1)) <> 0 And CInt(Right(CurString, 2)) = 0 Then
tmpStr = Unit(8) & " " & tmpStr
End If
End If

If nBit = 0 Then
Str = Trim(Str & " " & tmpStr)
Else
Str = Trim(Str & " " & tmpStr & " " & Unit(nBit))
End If
If Left(Str, 3) = Unit(8) Then Str = Trim(Right(Str, Len(Str) - 3))
If BeforePoint = String(Len(BeforePoint), "0") Then Exit Do
'Debug.Print Str
Loop
BeforePoint = Str

If Len(AfterPoint) > 0 Then
AfterPoint = Unit(6) & " " & DecodeHundred(AfterPoint) & " " & Unit(7)
Else
AfterPoint = Unit(5)
End If
NumberToString = BeforePoint & " " & AfterPoint
End Function
Private Function DecodeHundred(HundredString As String) As String
Dim tmp As Integer
If Len(HundredString) > 0 And Len(HundredString) <= 3 Then
Select Case Len(HundredString)
Case 1
tmp = CInt(HundredString)
If tmp <> 0 Then DecodeHundred = StrNO(tmp)
Case 2
tmp = CInt(HundredString)
If tmp <> 0 Then
If (tmp < 20) Then
DecodeHundred = StrNO(tmp)
Else
If CInt(Right(HundredString, 1)) = 0 Then
DecodeHundred = StrTens(Int(tmp / 10))
Else
DecodeHundred = StrTens(Int(tmp / 10)) & "-" & StrNO(CInt(Right(HundredString, 1)))
End If
End If
End If
Case 3
If CInt(Left(HundredString, 1)) <> 0 Then
DecodeHundred = StrNO(CInt(Left(HundredString, 1))) & " " & Unit(4) & " " & DecodeHundred(Right(HundredString, 2))
Else
DecodeHundred = DecodeHundred(Right(HundredString, 2))
End If
Case Else
End Select
End If

End Function
Private Sub Init()
If StrNO(1) <> "One" Then
StrNO(1) = "One"
StrNO(2) = "Two"
StrNO(3) = "Three"
StrNO(4) = "Four"
StrNO(5) = "Five"
StrNO(6) = "Six"
StrNO(7) = "Seven"
StrNO(8) = "Eight"
StrNO(9) = "Nine"
StrNO(10) = "Ten"
StrNO(11) = "Eleven"
StrNO(12) = "Twelve"
StrNO(13) = "Thirteen"
StrNO(14) = "Fourteen"
StrNO(15) = "Fifteen"
StrNO(16) = "Sixteen"
StrNO(17) = "Seventeen"
StrNO(18) = "Eighteen"
StrNO(19) = "Nineteen"

StrTens(1) = "Ten"
StrTens(2) = "Twenty"
StrTens(3) = "Thirty"
StrTens(4) = "Forty"
StrTens(5) = "Fifty"
StrTens(6) = "Sixty"
StrTens(7) = "Seventy"
StrTens(8) = "Eighty"
StrTens(9) = "Ninety"

Unit(1) = "Thousand" '第一個三位
Unit(2) = "Million" '第二個三位
Unit(3) = "Billion" '第三個三位
Unit(4) = "Hundred"
Unit(5) = "Only"
Unit(6) = "Point"
Unit(7) = "Cent"'不是貨幣的話，把此值賦空
Unit(8) = "And"
End If
End Sub

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