main.pas

具备基本的图书管理功能。如

unit Main;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, jpeg, ExtCtrls, StdCtrls, Menus, Buttons;

type
  TForm1 = class(TForm)
    Image1: TImage;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    BitBtn3: TBitBtn;
    BitBtn4: TBitBtn;
    BitBtn5: TBitBtn;
    procedure Button1Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure Button5Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
    procedure BitBtn2Click(Sender: TObject);
    procedure BitBtn3Click(Sender: TObject);
    procedure BitBtn4Click(Sender: TObject);
    procedure BitBtn5Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

uses Reader, Lend, Book, Sys;

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
  form2.show;
  form1.visible:=false;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
  form3.show;
  form1.visible:=false;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  Form4.show;
  form1.visible:=false;
end;

procedure TForm1.Button4Click(Sender: TObject);
begin
  form5.show;
  form1.visible:=false;
end;

procedure TForm1.Button5Click(Sender: TObject);
begin
  close;
end;

procedure TForm1.BitBtn1Click(Sender: TObject);
begin
  form2.show;
  form1.visible:=false;
end;

procedure TForm1.BitBtn2Click(Sender: TObject);
begin
  form3.show;
  form1.visible:=false;
end;

procedure TForm1.BitBtn3Click(Sender: TObject);
begin
  form4.show;
  form1.visible:=false;
end;

procedure TForm1.BitBtn4Click(Sender: TObject);
begin
  form5.show;
  form1.visible:=false;
end;

procedure TForm1.BitBtn5Click(Sender: TObject);
begin
  close;
end;

end.