谁帮我编个JAVA的一个计时的小程序 谢谢
来源:百度知道 编辑:UC知道 时间:2024/09/18 18:56:40
import java.awt.Container;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
/**
*
* @author Administrator
*/
public class Timer extends JFrame {
JTextField tfStart, tfStop, tfInterval;
Date oldTime;
Timer() {
super("计时器");
setBounds(200, 200, 300, 100);
setDefaultCloseOperation(EXIT_ON_CLOSE);
Container c = getContentPane();
c.setLayout(new GridLayout(1, 2));
JPanel pw = new JPanel(new GridLayout(3, 1));
tfStart = new JTextField();
pw.add(tfStart);
tfStop = new JTextField();
pw.add(tfStop);
t