unit2.pas

用delphi2005制作的一个简单的定时关机注销启动的程序

unit Unit2;

interface

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

type
  TForm2 = class(TForm)
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Memo1: TMemo;
    Button1: TButton;
    Timer1: TTimer;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Button2: TButton;
    Label4: TLabel;
    RadioButton1: TRadioButton;
    RadioButton2: TRadioButton;
    RadioButton3: TRadioButton;
    RadioButton4: TRadioButton;
    procedure Button2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form2: TForm2;
  flg:bool=false;
implementation

{$R *.dfm}

procedure TForm2.Timer1Timer(Sender: TObject);
var
  inputtime:string;
  systemtime:string;
  i:integer;
begin
  edit1.Text:=datetimetostr(date+time);
  if  flg=true then //flg是,是否按下”设定“按钮的标志
      begin
        inputtime:=edit2.Text+':'+edit3.Text;
        systemtime:=FormatDateTime('hh:mm',time);
        //处理好时间字符串格式，以便相比较
        if inputtime=systemtime then
           begin
             memo1.Lines.Add('定时时间到了');

             if radiobutton3.Checked=true then  //如果选中了radiobutton3 则定时注销
                ExitWindowsEx(EWX_LOGOFF,0);
             if radiobutton1.Checked=true then  //如果选中了radiobutton1 则定时关机
                ExitWindowsEx(EWX_SHUTDOWN,0);
             if radiobutton2.Checked=true then  //如果选中了radiobutton2 则定时重新启动
                ExitWindowsEx(EWX_REBOOT,0);

             if radiobutton4.Checked=true then  //如果选中了radiobutton4则定时动”记事本“
                WinExec('C:\WINDOWS\NOTEPAD.exe',1);

             for i:=1 to 5 do    //发出5声声音报警
                 begin
                   beep;   //发出声音
                   sleep(500);//(每声延时500毫秒);
                 end;
             flg:=false;   //报警任务完成，需恢复标志的值
           end;
      end;
end;

procedure TForm2.Button1Click(Sender: TObject);
begin
   flg:=true;
   memo1.Lines.Clear;
   memo1.Lines.Add('当前设定的时间是：'+edit2.Text+':'+edit3.Text);
end;

procedure TForm2.Button2Click(Sender: TObject);
begin
  flg:=false;
end;

end.