unit1.pas

Delphi的简单案例

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, Buttons, DBCtrls, Grids, DBGrids, Db, DBTables, ExtDlgs,
  ExtCtrls, ComCtrls, ADODB,jpeg, RpRave, RpDefine, RpCon, RpConDS;

type
  TForm1 = class(TForm)
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    BitBtn1: TBitBtn;
    OpenPictureDialog1: TOpenPictureDialog;
    DBNavigator1: TDBNavigator;
    Panel1: TPanel;
    Label1: TLabel;
    StatusBar1: TStatusBar;
    DBImage1: TDBImage;
    DBImage2: TDBImage;
    Table1: TTable;
    BitBtn2: TBitBtn;
    BitBtn3: TBitBtn;
    Image1: TImage;
    RvDataSetConnection1: TRvDataSetConnection;
    RvProject1: TRvProject;
    BitBtn4: TBitBtn;
    procedure BitBtn1Click(Sender: TObject);
    procedure DBImage2Click(Sender: TObject);
    procedure DBImage1Click(Sender: TObject);
    procedure BitBtn2Click(Sender: TObject);
    procedure BitBtn3Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure BitBtn4Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  ms:Tstream;
implementation
uses unit2;
{$R *.DFM}

procedure TForm1.BitBtn1Click(Sender: TObject);
begin
if form1.OpenPictureDialog1.Execute then
  begin
  table1.edit;
  TblobField(Table1.FieldByName('bmp')).loadfromfile(form1.OpenPictureDialog1.FileName);
  end;
  end;

procedure TForm1.DBImage2Click(Sender: TObject);
begin
   form1.DBImage2.Visible:=false;
  form1.DBImage1.Visible:=true;
end;

procedure TForm1.DBImage1Click(Sender: TObject);
begin
   form1.DBImage1.Visible:=false;
  form1.DBImage2.Visible:=true;
end;

procedure TForm1.BitBtn2Click(Sender: TObject);
begin
form2.QuickRep1.Preview;
end;

procedure TForm1.BitBtn3Click(Sender: TObject);
begin
form2.QuickRep1.Print;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  table1.Open;
end;

procedure TForm1.BitBtn4Click(Sender: TObject);
begin
  form1.RvProject1.Execute;
end;

end.