使用Delphi 7控制Word 2000生成文档的方法

最近帮同学用Delphi 7写的一个数据库应用中的一个功能是将查询的结果导出到一个Word文档中保存。虽然Delphi 7的Servers面板中提供了TWordApplication和TWordDocument组件,但是帮助中却几乎没有写它们的使用方法。于是在中国期刊网上down了许多的相关文章来看,只可惜几乎都是用Delphi 5写的(Delphi 7中不能兼容),而且都只是简单的介绍了一下,甚是郁闷。在经过一天的摸索之后终于用Delphi 7实现了这个功能。代码如下:
//uses Word2000, ComObj;
//WordApp: TWordApplication;
//WordDoc: TWordDocument;
procedure TfrmDetails.btnExportClick(Sender: TObject); //单击“导出“按钮
var
  V:Variant;
  Template,NewTemplate,DocumentType,Visible:OleVariant;
  itemIndex:OleVariant;
  fileName:Olevariant;
  NoPrompt,OriginalFormat:OleVariant;
  RouteDocument,SaveChanges:OleVariant;
begin
  //指定文档的路径和文件名
  fileName:='C:/LogAdmin/doc/'+'值班日志'+Trim(DBTextID.Caption)+'.doc';
  //如果该日志的对应Word文档已经存在则提示是否覆盖
  if FileExists(fileName)=true then
    begin
      Beep;
      if Application.MessageBox('文档已经存在,是否覆盖?','警告',MB_OKCANCEL)=IDCANCEL then
        Abort;
    end;
  //测试当前是否运行了Word 2000
  try
    V:=GetActiveOleObject('Word.Application');
  except
    //未运行则运行之
    V:=CreateOleObject('Word.Basic');
  end;
  try
    //连接到Word 2000
    WordApp.Connect;
  except
    Beep;
    MessageDlg('不能生成文档,请确认是否安装了Word 2000!',mtError,[mbOK],0);
    Abort;
  end;
  //显示Word 2000
  WordApp.Visible:=true;
 
//给调用Add函数使用的实参赋值
  Template:=EmptyParam;
  NewTemplate:=False;
  DocumentType:=wdNewBlankDocument;
  Visible:=true;
  //调用Add函数
  WordApp.Documents.Add(Template,NewTemplate,DocumentType,Visible);
  //连接到新建的文档
  itemIndex:=1;
  WordDoc.ConnectTo(WordApp.Documents.Item(itemIndex));
  //文档另存为
  WordDoc.SaveAs(fileName);
  //开始向Word文档中写入内容
  with WordApp.Selection do
    begin
      Font.Size:=20;
      Font.Bold:=2;
      Paragraphs.Alignment:=wdAlignParagraphCenter;
      TypeText('值班日志详细内容');
      TypeParagraph; //换行
      TypeParagraph; 
      Font.Size:=12;
      Font.Bold:=0;
      Paragraphs.Alignment:=wdAlignParagraphLeft;
      TypeText('编号:    '+DBTextID.Caption);
      TypeParagraph;
      TypeText('日期:    '+DBTextDate.Caption);
      TypeParagraph;
      TypeText('温度:    '+DBTextT.Caption);
      TypeParagraph;
      TypeText('湿度:    '+DBTextH.Caption);
      TypeParagraph;
      TypeText('天气:    '+DBTextWeather.Caption);
      TypeParagraph;
      TypeText('值班人:  '+DBTextName.Caption);
      TypeParagraph;
      TypeText('值班时间:'+DBTextTime.Caption);
      TypeParagraph;
      TypeText('有无异常:'+lbException.Caption);
      TypeParagraph;
      TypeText('使用工具:');
      TypeParagraph;
      TypeText(DBMemoTool.Text);
      TypeParagraph;
      TypeText('现场环境:');
      TypeParagraph;
      TypeText(DBMemoEnv.Text);
      TypeParagraph;
      TypeText('记录一:  ');
      TypeParagraph;
      TypeText(DBMemoR1.Text);
      TypeParagraph;
      TypeText('记录二:  ');
      TypeParagraph;
      TypeText(DBMemoR2.Text);
      TypeParagraph;
      TypeText('记录三:  ');
      TypeParagraph;
      TypeText(DBMemoR3.Text);
      TypeParagraph;
      TypeText('备注:    ');
      TypeParagraph;
      TypeText(DBMemoMemo.Text);
      TypeParagraph;
    end;
 
//保存文档
  NoPrompt:=false;
  OriginalFormat:=wdOriginalDocumentFormat;
  WordApp.Documents.Save(NoPrompt,OriginalFormat);

  //关闭文档
  SaveChanges:=wdSaveChanges;
  OriginalFormat:=wdOriginalDocumentFormat;
  RouteDocument:=false;
  WordApp.Documents.Close(SaveChanges,OriginalFormat,RouteDocument);
 
//断开和Word 2000的连接
  WordApp.Disconnect;

  MessageDlg('日志内容导出成功!保存为'+fileName,mtInformation,[mbOK],0);
  //关闭窗体
  frmDetails.Close;
end;

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