//類單元
unit NumBox;
interface
type
TNumBox = class
private
FCount: Integer;
public
procedure AddOne;
procedure AddFive;
procedure ZeroCount;
function GetCount: Integer;
end;
implementation
{ TNumBox }
procedure TNumBox.AddOne;
begin
Inc(FCount);
end;
procedure TNumBox.AddFive;
begin
Inc(FCount,5);
end;
procedure TNumBox.ZeroCount;
begin
FCount := 0;
end;
function TNumBox.GetCount: Integer;
begin
Result := FCount;
end;
end.
//調用
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
Button3: TButton;
procedure FormCreate(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure FormDestroy(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
uses NumBox;
var NumBox1: TNumBox;
procedure TForm1.FormCreate(Sender: TObject);
begin
NumBox1 := TNumBox.Create;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
NumBox1.AddOne;
Text := IntToStr(NumBox1.GetCount);
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
NumBox1.AddFive;
Text := IntToStr(NumBox1.GetCount);
end;
procedure TForm1.Button3Click(Sender: TObject);
begin
NumBox1.ZeroCount;
Text := IntToStr(NumBox1.GetCount);
end;
procedure TForm1.FormDestroy(Sender: TObject);
begin
NumBox1.Free;
end;
end.
