unit1.pas

Delphi的函数例子

unit Unit1;

interface

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

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

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
  ShowMessage(IntToStr(Posex('Hello','Hello world?',2)));
  ShowMessage(IntToStr(Posex('world','Hello world?',2)));
  ShowMessage(IntToStr(Posex('我','我是中国人我要为祖国的繁荣而努力',3)));

end;

end.