昨晚想电脑处理东西想半夜5点关机 但是用XP的dos shutdown - s -t + 秒数还得自己计算太麻烦了,于是产生了下面这堆东西...学生写的比较垃圾..给有同样需求的人用用或看看吧..相信这样东西网上一搜索也是一大把.但是还是自己动手写的用起来比较有成就感..
- Java code
import java.awt.Color;import java.awt.Font;import java.awt.GridLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.KeyEvent;import java.awt.event.KeyListener;import java.awt.event.WindowEvent;import java.awt.event.WindowListener;import java.io.IOException;import java.text.SimpleDateFormat;import java.util.Date;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.JTextField;public class ShutFrame extends JFrame implements ActionListener, KeyListener, WindowListener{ final int limit = 2; String time = null; boolean flag = true; private JLabel label_1 = null; private JLabel label_2 = null; private JLabel overTime = null; private JTextField HH = null; private JTextField mm = null; private JTextField ss = null; private JButton exit = null; private JButton hide = null; private JButton start = null; public ShutFrame() { this.setTitle("关机小程序"); label_1 = new JLabel("请输入时,分,秒！"); label_2 = new JLabel("距离关机时间还有:"); overTime = new JLabel("在这里显示时间"); HH = new JTextField(3); mm = new JTextField(3); ss = new JTextField(3); exit = new JButton("退出"); hide = new JButton("马上关机"); start = new JButton("开始"); JPanel jp1 = new JPanel(); JPanel jp2 = new JPanel(); JPanel jp3 = new JPanel(); jp1.add(label_1); jp1.add(HH); jp1.add(mm); jp1.add(ss); jp2.add(label_2); jp2.add(overTime); jp3.add(exit); jp3.add(hide); jp3.add(start); this.setLayout(new GridLayout(3, 1)); this.add(jp1); this.add(jp2); this.add(jp3); this.setBounds(200, 200, 250, 200); this.setVisible(true); hide.addActionListener(this); this.addWindowListener(this); exit.addActionListener(this); this.addKeyListener(this); start.addActionListener(this); HH.addKeyListener(this); mm.addKeyListener(this); ss.addKeyListener(this); } public void actionPerformed(ActionEvent e) { flag = true; if(e.getSource() == exit){ System.exit(0); } // this.setVisible(false); if(e.getSource() == hide){ Runtime run = Runtime.getRuntime(); Process p = null; try { p = run.exec("shutdown -s"); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } if (e.getSource() == start) { if (HH.getText().trim().equals("") || mm.getText().trim().equals("") || ss.getText().trim().equals("")) { System.out.println("请输入完整!"); } else { String H = HH.getText().trim(); String m = mm.getText().trim(); String s = ss.getText().trim(); if(Integer.parseInt(H)>24 || Integer.parseInt(m)>60 || Integer.parseInt(s)>60){ overTime.setText("输入数字不符合实际!"); return; } System.out.println("++++++++++++"); time = H + ":" + m + ":" + s; System.out.println("" + time); new Thread() { public void run() { while (flag){ try { Date d = new Date(); SimpleDateFormat df = new SimpleDateFormat( "HH:mm:ss"); String now = df.format(d); long CloseTime = df.parse(time).getTime(); long NowTime = df.parse(now).getTime(); long second = (CloseTime - NowTime) / 1000; System.out.println("shut time is : " + CloseTime); System.out.println("shut time is : " + NowTime); System.out.println("away with shut time is : " + second); overTime.setText("" + second); overTime.setFont(new Font("Dialog",1,18)); overTime.setForeground(Color.BLUE); if (second == 0) { System.out.println("computer is shut down!"); Runtime run = Runtime.getRuntime(); Process p = null; p = run.exec("shutdown -s"); break; } Thread.sleep(1000); }catch(Exception e){ flag = false; //System.out.println("45456465"); overTime.setText("出错了!"); //e.printStackTrace(); } } } }.start(); } } // System.out.println(HH.getText().trim().equals("")); } public void keyTyped(KeyEvent e) { if(e.getSource() == HH){ if(HH.getText().length() >=limit){ getToolkit().beep(); e.consume(); } if(HH.getText().length()==limit-1){ mm.requestFocusInWindow(); } } if(e.getSource() == mm){ if(mm.getText().length() >=limit){ getToolkit().beep(); e.consume(); } if(mm.getText().length()==limit-1){ ss.requestFocusInWindow(); } } if(e.getSource() == ss){ if(ss.getText().length() >=limit){ getToolkit().beep(); e.consume(); } } } public void keyPressed(KeyEvent e) { //System.out.println(e.getKeyCode()); } public void keyReleased(KeyEvent e) { } public static void main(String[] args) { ShutFrame s = new ShutFrame(); } public void windowActivated(WindowEvent arg0) { // TODO Auto-generated method stub } public void windowClosed(WindowEvent arg0) { // TODO Auto-generated method stub } public void windowClosing(WindowEvent arg0) { System.exit(-1); } public void windowDeactivated(WindowEvent arg0) { // TODO Auto-generated method stub } public void windowDeiconified(WindowEvent arg0) { // TODO Auto-generated method stub } public void windowIconified(WindowEvent arg0) { // TODO Auto-generated method stub } public void windowOpened(WindowEvent arg0) { // TODO Auto-generated method stub }}