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计算机等级考试将毫秒转化为日期

作者:佚名 来源:绿茶软件园 2011-06-08 13:37:41

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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