A useful string interception function (a Chinese character counts as two characters, and an English character counts as one character)

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Release: 2016-07-25 09:02:50
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  1. '****************************************** ***********
  2. 'Function name: gotTopic
  3. 'Function: truncate the string, one Chinese character counts as two characters, and one English character counts as one character
  4. 'Parameter: str ----Original string
  5. ' strlen ---- intercept length
  6. 'Return value: intercepted string
  7. '********************************** *******************
  8. Function gotTopic(ByVal str, ByVal strlen)
  9. If str = "" Then
  10. gotTopic = ""
  11. Exit Function
  12. End If
  13. Dim l , t, c, i, strTemp
  14. str = Replace(Replace(Replace(Replace(str, " ", " "), """, Chr(34)), ">", ">"), " <", "<")
  15. l = Len(str)
  16. t = 0
  17. strTemp = str
  18. strlen = CLng(strlen)
  19. For i = 1 To l
  20. c = Abs(Asc(Mid(str, i , 1)))
  21. If c > 255 Then
  22. t = t + 2
  23. Else
  24. t = t + 1
  25. End If
  26. If t >= strlen Then
  27. strTemp = Left(str, i)
  28. Exit For
  29. End If
  30. Next
  31. If strTemp <> str Then
  32. strTemp = strTemp & "…"
  33. End If
  34. gotTopic = Replace(Replace(Replace(Replace(strTemp, " ", " "), Chr(34), " ""), ">", ">"), "<", "<")
  35. End Function
  36. ?>
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