ASP 写的判断 Money 各个位值的函数

Function Moneynm(n,m)
        checkPoint = InstrRev(n,".")
  If n>9999.99 Then
      Response.write"数据超过限制，请确定您的报销金额在9999.99元以内！"
  Else
    If (checkPoint <> 0) Then
      leftNum = Mid(n,1,checkPoint-1)
      rightNum = Mid(n,checkPoint+1,Len(n))
      Else
      leftNum = n
    End If
     gw = Mid(leftNum,Len(leftNum),Len(leftNum))
     sw = 0
     bw = 0
     qw = 0
     jw = 0
     fw = 0
    If Len(leftNum)>1 Then
        sw = Mid(leftNum,Len(leftNum)-1,1)
    End If
    If Len(leftNum)>2 Then
        bw = Mid(leftNum,Len(leftNum)-2,1)
    End If
    If Len(leftNum)>3 Then
        qw = Mid(leftNum,Len(leftNum)-3,1)
    End If
    If Len(rightNum)>0 Then
        jw = Mid(rightNum,1,1)
    End If
    If Len(rightNum)>1 Then
        fw = Mid(rightNum,2,1)
    End If
  Select case m
  case "gw"
    Response.Write gw
  case "sw"
    Response.Write sw
  case "bw"
    Response.Write bw
  case "qw"
    Response.Write qw
  case "jw"
    Response.Write jw
  case "fw"
    Response.Write fw
  End Select
 End If
End Function

……