Example9_18

最新推荐文章于 2025-05-25 15:55:58 发布

转载最新推荐文章于 2025-05-25 15:55:58 发布 · 417 阅读

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#button #date #string #class #timer

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package itat;

import java.awt.Button;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.Date;

import javax.swing.Timer;

public class Example9_18 {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub

TimeWin Win=new TimeWin();

}

}
class TimeWin extends Frame implements ActionListener{
TextField text;
Button bStart,bStop,bContinue;
Timer time;
int n=0,start=1;
TimeWin(){
  time=new Timer(1000,this);
  text=new TextField(10);
  bStart=new Button("开始计时");
  bStop=new Button("暂停计时");
  bContinue=new Button("继续计时");

  bStart.addActionListener(this);
  bStop.addActionListener(this);
  bContinue.addActionListener(this);
  setLayout(new FlowLayout());
  add(bStart);
  add(bStop);
  add(bContinue);
  add(text);
  setSize(500,500);
  validate();
  setVisible(true);
  addWindowListener(new WindowAdapter(){
   public void windowClosing(WindowEvent e){
    System.exit(0);
   }
  });
}

public void actionPerformed(ActionEvent e) {
  // TODO Auto-generated method stub
  if(e.getSource()==time){
   Date date=new Date();
   String str=date.toString().substring(11,19);
   text.setText("时间："+str);
   int x=text.getBounds().x;
   int y=text.getBounds().y;
   y=y+2;
   text.setLocation(x,y);

  }else if(e.getSource()==bStart){
   time.start();
  }else if(e.getSource()==bStop){
   time.stop();
  }else if(e.getSource()==bContinue){
   time.restart();
  }

}

}