umain.pas

delphi下自制报表预览的例子,还不完善,如果有疑问,给作者写信,

unit Umain;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls,Printers, QuickRpt,QRPrntr,QRCtrls, ExtCtrls;

type
  TForm1 = class(TForm)
    psd: TPrinterSetupDialog;
    pd: TPrintDialog;
    Button1: TButton;
    Button2: TButton;
    qrt: TQuickRep;
    PageHeaderBand1: TQRBand;
    TitleBand1: TQRBand;
    ColumnHeaderBand1: TQRBand;
    PageFooterBand1: TQRBand;
    QRLabel1: TQRLabel;
    QRLabel2: TQRLabel;
    QRLabel3: TQRLabel;
    QRLabel4: TQRLabel;
    QRLabel5: TQRLabel;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure qrtPreview(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

uses upreview;

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin


qrt.Page.PaperSize:=A4;
qrt.Preview;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin

qrt.Page.PaperSize:=A3;
qrt.Preview;
end;

procedure TForm1.qrtPreview(Sender: TObject);
begin
frmPreview.qrt:=qrt;
frmPreview.qrp.QRPrinter:=TQRPrinter(Sender);
frmPreview.Show;

end;

end.