unit1.pas

Delphi的函数例子

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    Edit1: TEdit;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
  Stris : string;
  Intis : Integer;
begin
  Stris := 'holle word';
  Intis := length(Stris);
  Edit1.Text := Concat(Stris[Intis],Stris[Intis-1],Stris[Intis-2],Stris
[Intis-3],Stris[Intis-4],Stris[Intis-5],Stris[Intis-6],Stris[Intis-7]
,Stris[Intis-8],Stris[Intis-9],Stris[Intis-10]);

end;

end.