interface

uses DB;

procedure ExpHTML(DataSet: TDataSet; const AFilePath: string);
procedure ExpTXT(DataSet: TDataSet; const AFilePath: string);
procedure ExpXLS(DataSet: TDataSet; const AFilePath: string);
procedure ExpDOC(DataSet: TDataSet; const AFilePath: string);
procedure ExpXML(DataSet: TDataSet; const AFilePath: string);

implementation

uses
  dbWeb,Classes,ComObj,XMLDoc,XMLIntf,Variants;

procedure ExpXML(DataSet : TDataSet; const AFilePath: string);
var
  i: integer;
  xml: TXMLDocument;
  reg,campo: IXMLNode;
begin
  xml := TXMLDocument.Create(nil);
  try
    xml.Active := True;
    DataSet.First;
    xml.DocumentElement :=
      xml.CreateElement('DataSet','');
    DataSet.First;
    while not DataSet.Eof do
    begin
      reg := xml.DocumentElement.AddChild('row');
      for i := 0 to DataSet.Fields.Count - 1 do
      begin
        campo := reg.AddChild(
          DataSet.Fields[i].DisplayLabel);
        campo.Text := DataSet.Fields[i].DisplayText;
      end;
      DataSet.Next;
    end;
    xml.SaveToFile(AFilePath);
  finally
    xml.free;
  end;
end;

procedure ExpDOC(DataSet: TDataSet; const AFilePath: string);
var
  WordApp,WordDoc,WordTable,WordRange: Variant;
  Row,Column: integer;
begin
  WordApp := CreateOleobject('Word.basic');
  WordApp.Appshow;
  WordDoc := CreateOleobject('Word.Document');
  WordRange := WordDoc.Range;
  WordTable := WordDoc.tables.Add(
    WordDoc.Range,1,DataSet.FieldCount);
  for Column:=0 to DataSet.FieldCount-1 do
    WordTable.cell(1,Column+1).range.text:=
      DataSet.Fields.Fields[Column].FieldName;
  Row := 2;
  DataSet.First;
  while not DataSet.Eof do
  begin
     WordTable.Rows.Add;
     for Column:=0 to DataSet.FieldCount-1 do
       WordTable.cell(Row,Column+1).range.text :=
         DataSet.Fields.Fields[Column].DisplayText;
     DataSet.next;
     Row := Row+1;
  end;
  WordDoc.SaveAs(AFilePath);
  WordDoc := unAssigned;
end;

//导出到Excel

procedure ExpXLS(DataSet: TDataSet; const AFilePath: string);
var
  ExcApp: OleVariant;
  i,l: integer;
begin
  ExcApp := CreateOleObject('Excel.Application');
  ExcApp.Visible := True;
  ExcApp.WorkBooks.Add;
  DataSet.First;
  l := 1;  
  DataSet.First;
  while not DataSet.EOF do
  begin
    for i := 0 to DataSet.Fields.Count - 1 do
      ExcApp.WorkBooks[1].Sheets[1].Cells[l,i + 1] :=
        DataSet.Fields[i].DisplayText;
    DataSet.Next;
    l := l + 1;
  end;
  ExcApp.WorkBooks[1].SaveAs(AFilePath);
end;

procedure ExpTXT(DataSet: TDataSet; const AFilePath: string);
var
  i: integer;
  sl: TStringList;
  st: string;
begin
  DataSet.First;
  sl := TStringList.Create;
  try
    st := '';
    for i := 0 to DataSet.Fields.Count - 1 do
      st := st + DataSet.Fields[i].DisplayLabel + ';';
    sl.Add(st);
    DataSet.First;
    while not DataSet.Eof do
    begin
      st := '';
      for i := 0 to DataSet.Fields.Count - 1 do
        st := st + DataSet.Fields[i].DisplayText + ';';
      sl.Add(st);
      DataSet.Next;
    end;
    sl.SaveToFile(AFilePath);
  finally
    sl.free;
  end;
end;

procedure ExpHTML(DataSet: TDataSet; const AFilePath: string);
var
  sl: TStringList;
  dp: TDataSetTableProducer;
begin
  sl := TStringList.Create;
  try
    dp := TDataSetTableProducer.Create(nil);
    try
      DataSet.First;
      dp.DataSet := DataSet;
      dp.TableAttributes.Border := 1;
      sl.Text := dp.Content;
      sl.SaveToFile(AFilePath);
    finally
      dp.free;
    end;
  finally
    sl.free;
  end;
end;