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2011计算机二级JAVA编程:将毫秒转化为日期

来源:fjzsksw.com 2010-11-4 14:03:03

 

 

  将毫秒转化为日期

  import java.awt.BorderLayout;

  import java.awt.Frame;

  import java.awt.TextArea;

  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.text.SimpleDateFormat;

  import java.util.Date;

  public class ConvertLong2Date extends Frame{

  TextField tf = new TextField();

  TextArea ta = new TextArea();

  public static void main(String[] args) {

  new ConvertLong2Date().launchFrame();

  }

  public String convertL2D(long l) {

  long _l = 0L;

  Date _d = null;

  SimpleDateFormat _sdf = null;

  String _s = null;

  _l = l;

  _d = new Date(_l);

  _sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

  _s = _sdf.format(_d);

  return _s;

  }

  public void launchFrame() {

  setLocation(300, 300);

  setSize(480, 320);

  setResizable(false);

  add(tf,BorderLayout.SOUTH);

  add(ta,BorderLayout.NORTH);

  pack();

  tf.addActionListener(new tfActionListener());

  this.setVisible(true);

  this.addWindowListener(new WindowAdapter() {

  public void windowClosing(WindowEvent e) {

  System.exit(0);

  }

  });

  }

  public class tfActionListener implements ActionListener {

  public void actionPerformed(ActionEvent e) {

  long l = Long.parseLong(tf.getText());

  ta.setText(new ConvertLong2Date().convertL2D(l));

  tf.setText("");

  }

  }

  }

 

 

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