Function WordFilter(strInput)
Dim i
Dim strOutput
Dim strFilter
strFilter = Split("关键字1,关键字2,关键字3", ",")
strOutput = strInput
For i = 0 To UBound(strFilter)
strOutput = Replace(strOutput, strFilter(i), String(Len(strFilter(i)), "×"))
Next
WordFilter = strOutput
End Function