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word存为txt文本、rtf格式的文件

2011-11-28 14:10 330 查看

采用OLE的方式实现word转换为文本等格式

function WordToTxt( sDocFile: string ): string;
var   
  WordApp: Variant;
begin
    WordApp := CreateOleObject( 'Word.Basic' );
    WordApp.visible := False;
    if not VarIsEmpty(WordApp) then
    begin
      try
        WordApp.FileOpen(sDocFile);
        Result := ChangeFileExt( sDocFile, '.txt' );
        WordApp.FileSaveAs( Result, 2 );  //2代表格式文本，见后面表格
        WordApp.Quit;
      finally
        WordApp:=Unassigned;
      end;          
     end;
end;

以下为文件格式的定义

wdFormatDocument	0	Microsoft Office Word format.
wdFormatDOSText	4	Microsoft DOS text format.
wdFormatDOSTextLineBreaks	5	Microsoft DOS text with line breaks preserved.
wdFormatEncodedText	7	Encoded text format.
wdFormatFilteredHTML	10	Filtered HTML format.
wdFormatHTML	8	Standard HTML format.
wdFormatRTF	6	Rich text format (RTF).
wdFormatTemplate	1	Word template format.
wdFormatText	2	Microsoft Windows text format.
wdFormatTextLineBreaks	3	Windows text format with line breaks preserved.
wdFormatUnicodeText	7	Unicode text format.
wdFormatWebArchive	9	Web archive format.
wdFormatXML	11	Extensible Markup Language (XML) format.
wdFormatDocument97	0	Microsoft Word 97 document format.
wdFormatDocumentDefault	16	Word default document file format. For Microsoft Office Word 2007, this is the DOCX format.
wdFormatPDF	17	PDF format.
wdFormatTemplate97	1	Word 97 template format.
wdFormatXMLDocument	12	XML document format.
wdFormatXMLDocumentMacroEnabled	13	XML document format with macros enabled.
wdFormatXMLTemplate	14	XML template format.
wdFormatXMLTemplateMacroEnabled	15	XML template format with macros enabled.
wdFormatXPS	18	XPS format.

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