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)
    Label1: TLabel;
    Label2: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
  s1,s2 : String;
begin
  Edit1.Text := 'book';
  Edit2.Text := 'Book';
  S1 := 'book';
  S2 := 'booK';
  if CompareText(Edit1.Text,Edit2.Text) = 0 then
    ShowMessage('相同')
  Else
    ShowMessage('不同');
  if CompareText(s1,s2) = 0 then
    ShowMessage('相同')
  Else
    ShowMessage('不同');

end;

end.