unit1.~pas

我的比赛作品 第22届全国青少年科技创新大赛3等奨 备注: 同时使用VC及Delphi开发

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, OleCtrls, SHDocVw, Inifiles, ExtCtrls, StdCtrls, ComCtrls;

type
  TForm1 = class(TForm)
    WebBrowser1: TWebBrowser;
    Timer1: TTimer;
    Label1: TLabel;
    ProgressBar1: TProgressBar;
    Label2: TLabel;
    Label3: TLabel;
    procedure FormCreate(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
    procedure WebBrowser1DownloadComplete(Sender: TObject);
    procedure WebBrowser1DownloadBegin(Sender: TObject);
    procedure WebBrowser1TitleChange(Sender: TObject;
      const Text: WideString);
    procedure WebBrowser1ProgressChange(Sender: TObject; Progress,
      ProgressMax: Integer);
    procedure FormResize(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  siteid: integer;
  siteurl: string;
  last: dword;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
var
  ini:TIniFile;
begin
  ini:=tinifile.create(ExtractFilePath(Application.Exename)+'\setting.ini');
  siteurl:=ini.ReadString('Setting','Link','http://127.0.0.1/bus/info/');
  siteid:=ini.ReadInteger('Setting','Site',0);
  ini.Free;
  self.Height:=screen.Height;
  self.Width:=screen.width;
  self.top:=0;
  self.left:=0;
  webbrowser1.Navigate(siteurl+'?cur_station='+inttostr(siteid));
  last:=gettickcount();
end;

procedure TForm1.Timer1Timer(Sender: TObject);
begin
  if gettickcount() - last > 30000 then
  begin
    webbrowser1.Navigate(siteurl);
    last:=gettickcount();
  end
  else
  begin
    if (webbrowser1.LocationURL <> siteurl) and (webbrowser1.LocationURL <> siteurl+'index.php')  then
      label3.Caption:=inttostr(60-(gettickcount()-last) div 1000) + ' Seconds'
    else
      label3.Caption:='Unlimited';
  end;
end;

procedure TForm1.WebBrowser1DownloadComplete(Sender: TObject);
begin
  last:=gettickcount();
end;

procedure TForm1.WebBrowser1DownloadBegin(Sender: TObject);
begin
  last:=gettickcount();
end;

procedure TForm1.WebBrowser1TitleChange(Sender: TObject;
  const Text: WideString);
begin
  label1.Caption:=text;
end;

procedure TForm1.WebBrowser1ProgressChange(Sender: TObject; Progress,
  ProgressMax: Integer);
begin
  progressbar1.Max:=ProgressMax;
  progressbar1.Position:=Progress;
end;

procedure TForm1.FormResize(Sender: TObject);
begin
  progressbar1.Left:=form1.ClientWidth-progressbar1.Width-1;
end;

end.