procedure TfmTxtToDoc.btnOkClick(Sender: TObject);
var
sDocName, sTxtName: string;
wordBasic: OleVariant;
begin
if edFileName.Text = '' then
begin
Showmessage('文件名为空');
end;
if LowerCase(ExtractFileExt(edFileName.Text)) <> '.doc' then
begin
sDocName := edFileName.Text + '.doc';
end
else
begin
sDocName := edFileName.Text;
end;
if not FileExists(sDocName) then
begin
Showmessage('文件不存在!');
edFileName.Text := '';
end;