确定词频（Microsoft Word）

Sub WordFrequency()

Dim SingleWord As String           'Raw word pulled from doc     Const maxwords = 9000              'Maximum unique words allowed     Dim Words(maxwords) As String      'Array to hold unique words     Dim Freq(maxwords) As Integer      'Frequency counter for unique words     Dim WordNum As Integer             'Number of unique words     Dim ByFreq As Boolean              'Flag for sorting order     Dim ttlwds As Long                 'Total words in the document     Dim Excludes As String             'Words to be excluded     Dim Found As Boolean               'Temporary flag     Dim j As Integer                   'Temporary variables     Dim k As Integer                   '     Dim l As Integer                   '     Dim Temp As Integer                '     Dim tword As String                '

' Set up excluded words     Excludes = "[the][a][of][is][to][for][this][that][by][be][and][are]"



' Find out how to sort     ByFreq = True     ans = InputBox$("Sort by WORD or by FREQ?", "Sort order", "WORD")

If ans = "" Then End     If UCase(ans) = "WORD" Then         ByFreq = False     End If          Selection.HomeKey Unit:=wdStory     System.Cursor = wdCursorWait     WordNum = 0     ttlwds = ActiveDocument.Words.Count

' Control the repeat     For Each aword In ActiveDocument.Words         SingleWord = Trim(LCase(aword))

If SingleWord < "a" Or SingleWord > "z" Then SingleWord = ""    'Out of range?

If InStr(Excludes, "[" & SingleWord & "]") Then SingleWord = "" 'On exclude list?

If Len(SingleWord) > 0 Then             Found = False             For j = 1 To WordNum                 If Words(j) = SingleWord Then                     Freq(j) = Freq(j) + 1                     Found = True                     Exit For                 End If             Next j             If Not Found Then                 WordNum = WordNum + 1                 Words(WordNum) = SingleWord                 Freq(WordNum) = 1             End If             If WordNum > maxwords - 1 Then                 j = MsgBox("The maximum array size has been exceeded. _                   Increase maxwords.", vbOKOnly)

Exit For             End If         End If         ttlwds = ttlwds - 1         StatusBar = "Remaining: " & ttlwds & "     Unique: " & WordNum     Next aword

' Now sort it into word order     For j = 1 To WordNum - 1         k = j         For l = j + 1 To WordNum             If (Not ByFreq And Words(l) < Words(k)) Or                 (ByFreq And Freq(l) > Freq(k)) Then k = l         Next l         If k <> j Then             tword = Words(j)

Words(j) = Words(k)

Words(k) = tword             Temp = Freq(j)

Freq(j) = Freq(k)

Freq(k) = Temp         End If         StatusBar = "Sorting: " & WordNum - j     Next j

' Now write out the results     tmpName = ActiveDocument.AttachedTemplate.FullName     Documents.Add Template:=tmpName, NewTemplate:=False     Selection.ParagraphFormat.TabStops.ClearAll     With Selection         For j = 1 To WordNum             .TypeText Text:=Trim(Str(Freq(j))) & vbTab & Words(j) & vbCrLf         Next j     End With     System.Cursor = wdCursorNormal     j = MsgBox("There were " & Trim(Str(WordNum)) & _         " different words ", vbOKOnly, "Finished")

End Sub