unit1.pas.~2~

Delphi 2005程序设计教程_实例源文件和教学课件

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Borland.Vcl.StdCtrls, System.ComponentModel,Borland.Vcl.IniFiles;

type
  TForm1 = class(TForm)
    Edit1: TEdit;
    Edit2: TEdit;
    Label1: TLabel;
    Label2: TLabel;
    Button1: TButton;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.nfm}

procedure TForm1.Button2Click(Sender: TObject);
begin
  Close;
end;

procedure TForm1.FormCreate(Sender: TObject);
var
  fileName:string;
  iniFile:TIniFile;
begin
  fileName:= ExtractFilePath (Application.exeName)+'login.ini';
  if(not FileExists(fileName)) then
    FileClose(FileCreate(fileName));
  iniFile:=TIniFile.Create(fileName);
  edit1.Text :=iniFile.ReadString('Login','Username','');  
  edit2.Text :=iniFile.ReadString('Login','Password','');
  iniFile.Free ; 
end;

procedure TForm1.Button1Click(Sender: TObject);
var
  iniFile:TIniFile;
  fileName:string;
begin
  if edit2.text='passtest' then
  begin
    fileName:= ExtractFilePath (Application.exeName)+'login.ini';
    if(not FileExists(fileName)) then
      FileClose(FileCreate(fileName));
    iniFile:=TIniFile.Create(fileName);
    iniFile.WriteString('Login','Username',edit1.text) ;
    iniFile.WriteString('Login','Password',edit2.text) ;
    iniFIle.Free ;
  end;
end;

end.