【VBA】16进制字符串转化为2进制字符串

Function Hex2Bin(TP As String) As String '处理连串的16进制转化为2进制

Dim TP2() As String
L = Len(TP)
ReDim TP2(1 To L)
Dim P As String
P = "" '初始化为空字符串
For i = 1 To L
    
    TP2(i) = Mid(TP, i, 1)
    TP2(i) = Hex2BinSingleByte(TP2(i))
    P = P + TP2(i)
Next i

    Hex2Bin = P

End Function

Function Hex2BinSingleByte(H As String) As String

H = UCase(H)

Dim B As String

Select Case H

    Case "0"
        B = "0000"
    Case "1"
        B = "0001"
    Case "2"
        B = "0010"
    Case "3"
        B = "0011"
    Case "4"
        B = "0100"
    Case "5"
        B = "0101"
    Case "6"
        B = "0110"
    Case "7"
        B = "0111"
    Case "8"
        B = "1000"
    Case "9"
        B = "1001"
    Case "A"
        B = "1010"
    Case "B"
        B = "1011"
    Case "C"
        B = "1100"
    Case "D"
        B = "1101"
    Case "E"
        B = "1110"
    Case "F"
        B = "1111"
        
End Select

    Hex2BinSingleByte = B

End Function