fastreport 动态打印和预览

var
  DataPage:TfrxDatapage;
  page:TfrxReportpage;
  band:TfrxBand;
  pageheader:TfrxHeader;
  groupheader:TfrxgroupHeader;
  DataBand:TfrxMasterData;
  Memo:TfrxMemoView;
  i:integer;
  x,y,z,width:extended;
begin
  x := 0;
  y := 0;
  z := 0;
  frxReport1.Clear;
  frxDBDataset1.DataSet := qry_medicalorderdetail;
  frxReport1.DataSets.Add(frxDBDataSet1);
  DataPage := TfrxDataPage.Create(frxReport1);
  Page := TfrxReportPage.Create(frxReport1);
  Page.CreateUniqueName;
  Page.SetDefaults;
  page.PaperSize:=DMPAPER_A4;
  width:=page.Width/11;
  //Page.Orientation := poLandscape;
  page.PrintOnPreviousPage:=true;
  Band := TfrxReportTitle.Create(Page);
  Band.CreateUniqueName;
  Band.Top := 0;
  Band.Height := 40;
  band.AllowSplit:=true;

  Memo := TfrxMemoView.Create(Band);
  Memo.CreateUniqueName;
  Memo.Text := '病人医嘱';
  Memo.Height := 40;
  memo.Font.Size := 25;
  memo.Font.Name := '黑体';
  Memo.Align := baWidth;
  memo.VAlign := vatop;
  memo.AutoWidth:= true;
  memo.Align := bacenter;
  /////////////////////////////////////////////////////////////////////////////
  pageheader := Tfrxheader.Create(Page);
  pageheader.CreateUniqueName;
  pageheader.Top := 40;
  pageheader.Height := 40;
  pageheader.Left := 0;
  Memo := TfrxMemoView.Create(Band);
  Memo.CreateUniqueName;
  Memo.Text := DateTimeToStr(now());
  Memo.Height := 36;
  memo.Font.Size := 8;
  memo.Font.Name := '宋体';
  memo.Align := baleft;
  memo.VAlign := vabottom;
  memo.SetBounds(0,40,180,36);


  groupheader := TfrxGroupHeader.Create(Page);
  groupheader.CreateUniqueName;
  groupheader.Top := 80;
  groupheader.Height := 30;
  groupheader.Left := 0;
  for i:= 0 to qry_medicalorderdetail.FieldCount-1 do
  begin
    if (i > 4) and (i < 14) then
    begin
      Memo := TfrxMemoView.Create(groupheader);
      Memo.CreateUniqueName;
      Memo.DataSet := frxDBDataSet1;
      Memo.text := qry_medicalorderdetail.Fields[i].FieldName;
      memo.WordBreak:=true;
      memo.Frame.Typ := [ftleft,ftright,fttop,ftbottom];
      memo.Frame.LeftLine.Style := fssolid;
      memo.Frame.TopLine.Style := fssolid;
      memo.Frame.RightLine.Style := fssolid;
      memo.Frame.BottomLine.Style := fssolid;
      memo.hAlign := hacenter;
      memo.WordWrap := true;
      Memo.SetBounds(x, 0, width*2, 30);
      if i = 6 then
       z := x;
      if i > 5 then
      begin
        z := z+width;
        Memo.SetBounds(z,0,width,30);
      end;

      memo.Font.Size := 10;
      memo.Font.Name := '宋体';
      x:=x+width;
    end;
  end;
  z := 0;
  DataBand := TfrxMasterData.Create(Page);
  DataBand.CreateUniqueName;
  DataBand.DataSet := frxDBDataSet1;
  DataBand.AllowSplit:=true;
  DataBand.Top := 100;
  DataBand.Height := 30;
  DataBand.Left := 0;

  for i:= 0 to qry_medicalorderdetail.FieldCount-1 do
  begin
    if (i > 4) and (i < 14) then
    begin
      Memo := TfrxMemoView.Create(DataBand);
      Memo.CreateUniqueName;
      Memo.DataSet := frxDBDataSet1;
      memo.WordBreak:=true;
      Memo.DataField := qry_medicalorderdetail.Fields[i].FieldName;
      memo.Frame.Typ := [ftleft,ftright,fttop,ftbottom];
      memo.WordWrap := true;
      memo.Font.Size := 10;
      memo.Font.Name := '宋体';
      memo.hAlign := hacenter;
      Memo.SetBounds(y, 0, width*2, 30);
      if i = 6 then
       z := y;
      if i > 5 then
      begin
        z := z+width;
        Memo.SetBounds(z,0,width,30);
      end;
      y:=y+width;
    end;
  end;

  ///////////////////////////////////////////////////////////////////

  frxReport1.PrepareReport;
  frxReport1.PrintOptions.ShowDialog := false;

//预览
  frxReport1.ShowPreparedReport;

//打印

  frxReport1.print;