Function cuttextlen(intext, lens)
If Len(intext) <= lens Then
cuttextlen = intext
Else
tmptext = intext
GetTexts = ""
Do While Not Len(tmptext) <= lens
GetTexts = GetTexts + Left(tmptext, lens)
tmptext = Right(tmptext, Len(tmptext) - lens)
Do While (Asc(Left(tmptext, 1)) >= 65 And Asc(Left(tmptext, 1)) <= 90) Or (Asc(Left(tmptext, 1)) >= 97 And Asc(Left(tmptext, 1)) <= 122) Or (Asc(Left(tmptext, 1)) >= 45 And Asc(Left(tmptext,
1)) <= 57)
GetTexts = GetTexts + Left(tmptext, 1)
tmptext = Right(tmptext, Len(tmptext) - 1)
‘If Len(tmptext) <= lens Then Exit Do
Loop
GetTexts = GetTexts & "<br>"
Loop
cuttextlen = GetTexts & tmptext
End If
End Function
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原文：http://blog.csdn.net/tbmqzmavp/article/details/25390841
