Excel 使用VBA 自定义函数

Function HexIPAddr(strIPAddr As String, isAsc As Boolean) As String
    
        Dim arry, bit0 As String, bit1 As String, bit2 As String, bit3 As String
        arry = Split(strIPAddr, ".")

        bit0 = Hex(arry(0))
        bit1 = Hex(arry(1))
        bit2 = Hex(arry(2))
        bit3 = Hex(arry(3))
        
        
        If Len(bit0) = 1 Then
        bit0 = "0" + bit0
        End If
    
        If Len(bit1) = 1 Then
        bit1 = "0" + bit1
        End If
        
        If Len(bit2) = 1 Then
        bit2 = "0" + bit2
        End If
        
        If Len(bit3) = 1 Then
        bit3 = "0" + bit3
        End If
        
        
        If isAsc = True Then
                HexIPAddr = bit0 + bit1 + bit2 + bit3
        Else
                HexIPAddr = bit3 + bit2 + bit1 + bit0
        End If
        
                   
    End Function